tag:blogger.com,1999:blog-36214755924936436852024-03-28T08:02:21.708+01:00flashontrackinchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.comBlogger1577125tag:blogger.com,1999:blog-3621475592493643685.post-11411864754394233782024-03-28T07:53:00.002+01:002024-03-28T08:01:50.945+01:00# evol: emergence of single vs. multi-state allostery<div><i><div class="separator" style="clear: both; text-align: center;">
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</div><br></i></div><div><i> FIG. 1. The elastic network model</i><br></div><div><br></div><div><< <i>Allostery, the change of activity of a macromolecule in response to a perturbation at a distance from its active site, is thought to be a ubiquitous feature of proteins. Initially described in the context of multimeric proteins, it is now understood to underlie the regulation of proteins with diverse structural architectures, from receptors to signaling proteins and metabolic enzymes</i>. >>️</div><div><br></div><div><< <i>Here, (AA) analyze a simplified model of protein allostery under a range of physical and evolutionary constraints. (They) find that a continuum of mechanisms between two archetypes emerges through evolution. In one limit, a single-state mechanism exists where ligand binding induces a displacement along a single normal mode, and in the other limit, a multi-state mechanism exists where ligand binding induces a switch across an energy barrier to a different stable state. Importantly, whenever the two mechanisms are possible, the multi-state mechanism confers a stronger allosteric effect and thus a selective advantage</i>. >></div><div>️</div><div>Eric Rouviere, Rama Ranganathan, Olivier Rivoire. <i>Emergence of Single- versus Multi-State Allostery</i>. PRX Life 1, 023004. Nov 9, 2023.</div><div><a href="https://journals.aps.org/prxlife/abstract/10.1103/PRXLife.1.023004">https://journals.aps.org/prxlife/abstract/10.1103/PRXLife.1.023004</a></div><div><br></div><div><b>Also</b>: <i>allostery</i> in <b>FonT</b> <a href="https://flashontrack.blogspot.com/search?q=allostery">https://flashontrack.blogspot.com/search?q=allostery</a></div><div><br></div><div><b>Also</b>: allosterico in <b>Notes</b> </div><div>(quasi-stochastic poetry)</div><div><a href="https://inkpi.blogspot.com/search?q=allosterico">https://inkpi.blogspot.com/search?q=allosterico</a></div><div><br></div><div><b>Keywords</b>: gst, allostery, elastic, evolution</div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-38731628761467200532024-03-25T15:38:00.003+01:002024-03-25T17:18:08.076+01:00# brain: the hypothesis of the genetic link between present moment attention and subjective wellbeing.<div><< <i>Considerable evidence supports the role of present-moment attention, a central feature of mindfulness, in subjective wellbeing maintenance and enhancement</i>. >>️</div><div><br></div><div><< <i>Consistent with the “generalist genes hypothesis” and prior evidence, (AA) hypothesized that presence and subjective wellbeing would show a substantial genetic correlation and smaller environmental correlation.</i> >>️</div><div><br></div><div><< <i>This study provides the first evidence known to us showing that present-centered attention, a primary component of mindfulness, has both genetic and environmental overlap with subjective wellbeing</i>. >>️</div><div><br></div><div>Kirk Warren Brown, Fazil Aliev, et al. <i>A multivariate twin study of the genetic association between present moment attention and subjective wellbeing.</i> Sci Rep 13, 17456 (2023). doi: 10.1038/ s41598-023-42810-x.</div><div><a href="https://www.nature.com/articles/s41598-023-42810-x">https://www.nature.com/articles/s41598-023-42810-x</a> </div><div><br></div><div><b>Also</b>: <i>brain</i>, <i>Zen</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a> </div><div><br></div><div><b>Keywords</b>: present moment attention, mindfulness, subjective wellbeing, generalist genes hypothesis. </div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-20308838883897276212024-03-23T13:59:00.001+01:002024-03-23T13:59:49.515+01:00# astro: black hole portraits will become more frequent<div class="separator" style="clear: both; text-align: center;">
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</div><div><div><< <i>This year marks the fifth anniversary of the release of the first-ever image of a black hole, which revealed the glowing doughnut of the supermassive black hole called M87*. The research team that produced the image—the Event Horizon Telescope (EHT) Collaboration—recently released a second image of that same black hole, which lies 55 million light years from Earth (..). This image comes from an updated version of the EHT and confirms key features of the black hole while also revealing changes over time in the pattern of light emanating from the disk surrounding the object. Starting with this release, the collaboration expects to issue increasingly frequent updates in support of the newly developing field of black hole imaging</i>. >>️</div><div><br></div><div><< <i>“Producing the first image of M87* was a herculean effort and involved creating, testing, and verifying many different schemes and approaches to analyzing and interpreting the data,” says Princeton University astrophysicist Andrew Chael, a member of the EHT Collaboration. “Now we are beginning to transition to a point where we understand our instrument and our analysis frameworks really well, so I think we are going to be releasing results a lot more quickly.”</i> >></div><div>️</div><div>Katherine Wright. <i>Black Hole Portraits Will Become More Frequent</i>. Physics 17, 43. Mar 15, 2024. </div><div><a href="https://physics.aps.org/articles/v17/43">https://physics.aps.org/articles/v17/43</a></div><div><br></div><div>Kazunori Akiyama, Antxon Alberdi, et al. <i>The persistent shadow of the supermassive black hole of M 87. </i></div><div><i>I. Observations, calibration, imaging, and analysis⋆ The Event Horizon Telescope Collaboration.</i> Astron. Astrophys. 681, A79 (2024).</div><div><a href="https://www.aanda.org/articles/aa/full_html/2024/01/aa47932-23/aa47932-23.html">https://www.aanda.org/articles/aa/full_html/2024/01/aa47932-23/aa47932-23.html</a></div><div><br></div><div><b>Also</b>: <i>astrophysics</i>, <i>black hole</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a> </div><div><br></div><div><b>Keywords</b>: astrophysics, black hole</div><div><br></div><div><br></div></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-10795269321436322332024-03-22T14:51:00.002+01:002024-03-22T15:02:01.762+01:00# gst: rearrangements of a jammed 2-D emulsion (during slow compression).<div><< <i>As amorphous materials get jammed, both geometric and dynamic heterogeneity are observed. (AA) investigate the correlation between the local geometric heterogeneity and local rearrangements in a slowly compressed bidisperse quasi-two-dimensional emulsion system. The compression is driven by evaporation of the continuous phase.</i> >></div><div><br></div><div><< <i>droplets in heterogeneous local regions are more likely to have local rearrangements. These rearrangements are generally T1 events where two droplets converge toward a void, and two droplets move away from the void to make room for the converging droplets. Thus, the presence of the voids tends to orient the T1 events.</i> >>️</div><div><br></div><div><< <i>The presence of a correlation between the structural quantities and the rearrangement dynamics remains qualitatively unchanged over the entire range of packing fractions observed</i>. >>️</div><div><br></div><div>Xin Du, Eric R. Weeks. <i>Rearrangements during slow compression of a jammed two-dimensional emulsion. </i>Phys. Rev. E 109, 034605. Mar 20, 2024.</div><div><a href="https://journals.aps.org/pre/abstract/10.1103/PhysRevE.109.034605">https://journals.aps.org/pre/abstract/10.1103/PhysRevE.109.034605</a></div><div><br></div><div><b>Also</b>: <i>drop</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a> </div><div><br></div><div><b>Keywords</b>: drops, droplets, droploids </div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-35551276084685444662024-03-21T18:26:00.002+01:002024-03-21T18:29:34.050+01:00# brain: apropos of wars ... VR plus tDCS to reduce symptoms of posttraumatic stress disorder (PTSD) (in military veterans).<div><< <i>Key Points. Question. Can therapeutic exposure using virtual reality (VR) be augmented with simultaneously applied transcranial direct current stimulation (tDCS) to reduce symptoms of posttraumatic stress disorder (PTSD)?</i> >></div><div><br></div><div><< <i>Meaning. These findings suggest that the use of combined VR exposure plus tDCS could be a promising treatment for warzone-related PTSD.</i> >>️️</div><div><br></div><div>Mascha van’t Wout-Frank, Amanda R. Arulpragasam, et al. <i>Virtual Reality and Transcranial Direct Current Stimulation for Posttraumatic Stress Disorder. A Randomized Clinical Trial.</i> JAMA Psychiatry. doi: 10.1001/jamapsychiatry.2023.5661. Mar 6, 2024.</div><div><a href="https://jamanetwork.com/journals/jamapsychiatry/fullarticle/2815835">https://jamanetwork.com/journals/jamapsychiatry/fullarticle/2815835</a></div><div><br></div><div><b>Also</b>: <i>brain</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a> </div><div><br></div><div><b>Keywords</b>: life, war, brain, VR, tDCS, PTSD, veterans</div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-55043103619155600212024-03-18T18:57:00.001+01:002024-03-18T18:57:10.365+01:00# gst: near the Hopf boundary, Intermittency and chimera states.<div>AA << <i>study collective dynamics of networks of mutually coupled identical Lorenz oscillators near a subcritical Hopf bifurcation. Such systems exhibit induced multistable behavior with interesting spatiotemporal dynamics including synchronization, desynchronization, and chimera states. </i>>>️</div><div><br></div><div><< <i>For analysis, (AA) first consider a ring topology with nearest-neighbor coupling and find that the system may exhibit intermittent behavior due to the complex basin structures and dynamical frustration, where temporal dynamics of the oscillators in the ensemble switches between different attractors. Consequently, different oscillators may show a dynamics that is intermittently synchronized (or desynchronized), giving rise to intermittent chimera states. The behavior of the intermittent laminar phases is characterized by the characteristic time spent in the synchronization manifold, which decays as a power law.</i> >></div><div><br></div><div><< <i>Such intermittent dynamics is quite general and is also observed in an ensemble of a large number of oscillators arranged in variety of network topologies including nonlocal, scale-free, random, and small-world networks</i>. >>️</div><div><br></div><div>Anjuman Ara Khatun, Yusra Ahmed Muthanna, et al. <i>Collective dynamics of coupled Lorenz oscillators near the Hopf boundary: Intermittency and chimera states</i>. Phys. Rev. E 109, 034208. March 15, 2024.</div><div><a href="https://journals.aps.org/pre/abstract/10.1103/PhysRevE.109.034208">https://journals.aps.org/pre/abstract/10.1103/PhysRevE.109.034208</a></div><div><br></div><div><b>Also</b>: <i>transition</i>, <i>intermittency</i>, <i>chaos</i>, <i>chimera</i>, <i>network</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: gst, transition, intermittency, chaos, chimera, network</div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-69305302441983104192024-03-16T09:07:00.001+01:002024-03-16T09:07:07.105+01:00# gst: apropos of random walks, intermittent random walks under stochastic resetting<div>AA << <i>analyze a one-dimensional intermittent random walk on an unbounded domain in the presence of stochastic resetting. In this process, the walker alternates between local intensive search, diffusion, and rapid ballistic relocations in which it does not react to the target. </i>>></div><div><br></div><div>AA << <i>demonstrate that Poissonian resetting leads to the existence of a non-equilibrium steady state. (They) calculate the distribution of the first arrival time to a target along with its mean and show the existence of an optimal reset rate. In particular, (..) the initial condition of the walker, i.e., either starting diffusely or relocating, can significantly affect the long-time properties of the search process. </i>>></div><div><br></div><div><< <i>the presence of distinct parameter regimes for the global optimization of the mean first arrival time when ballistic and diffusive movements are in direct competition.</i> >>️</div><div><br></div><div>Rosa Flaquer-Galmes, Daniel Campos, Vicenc Mendez. Intermittent random walks under stochastic resetting. Phys. Rev. E 109, 034103. March 4, 2024. </div><div><a href="https://journals.aps.org/pre/abstract/10.1103/PhysRevE.109.034103">https://journals.aps.org/pre/abstract/10.1103/PhysRevE.109.034103</a> </div><div><br></div><div><b>Also</b>: walk, walking, random, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: gst, walk, intermittent random walk, stochasticity, stochastic resetting</div><div><br></div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-25023564612577595272024-03-15T18:38:00.003+01:002024-03-15T18:43:52.820+01:00# gst: multi-component droplets may exhibit self-lubricating effects<div><< <i>Over the past decade, there has been a growing interest in the study of multicomponent drops. These drops exhibit unique phenomena, as the interplay between hydrodynamics and the evolving physicochemical properties of the mixture gives rise to distinct and often unregulated behaviors.</i> >></div><div><br></div><div><< <i>Of particular interest is the complex dynamic behavior of the drop contact line, which can display self-lubrication effect. The presence of a slipping contact line in self-lubricating multicomponent drops can suppress the coffee-stain effect, conferring valuable technological applications</i>. >></div><div><br></div><div>Huanshu Tan, Detlef Lohse, Xuehua Zhang. <i>Self-Lubricating Drops</i>. arXiv: 2403.01207v1 [physics.flu-dyn]. Mar 2, 2024</div><div><a href="https://arxiv.org/abs/2403.01207">https://arxiv.org/abs/2403.01207</a></div><div><br></div><div><b>Also</b>: <i>drop</i> <i>droplet</i> <i>droploid</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: drop, droplet, droploid, multicomponent drops, drop contact line, self-lubrication</div><div><br></div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-53283582232702108702024-03-13T11:25:00.002+01:002024-03-13T11:32:41.272+01:00# brain: apropos of mandering minds, the 'default mode' network.<div><< <i>When your mind is wandering, your brain’s “default mode” network is active. Its discovery 20 years ago inspired a raft of research into networks of brain regions and how they interact with each other</i>. >></div><div><br></div><div><< <i>The default mode was one of the first brain networks characterized by science. It consists of a handful of brain regions, including a few at the front of the brain, like the dorsal and ventral medial prefrontal cortices, and others scattered throughout the organ, like the posterior cingulate cortex, the precuneus and the angular gyrus. These regions are associated with memory, experience replay, prediction, action consideration, reward/ punishment and information integration.</i> >> ️</div><div><br></div><div><< <i>The default mode is clearly up to something complicated; it’s involved in many different processes that can’t be neatly described.</i> >></div><div><br></div><div><< <i>“It’s kind of silly to think that we’re ever going to be like, ‘This one brain region or one brain network does one thing,’” (..). “I don’t think that’s how it works.” (..) “Network interactions are more elucidating to study in some ways than just a network in isolation because they do work together and then come apart and then change what they’re doing over time”.</i> >> Lucina Uddin.️</div><div><br></div><div>Lucina Uddin << <i>is particularly interested in how the default mode network interacts with the ️salience network, which seems to help us identify the most relevant piece of information at any given time. Her work suggests that the salience network detects when something is important to pay attention to and then acts as an off switch for the default mode network. >></i></div><div><br></div><div>Vinod Menon << <i>has developed what he calls️ ️the triple network theory. It posits that abnormal interactions between the default mode network, the salience network and a third one called the frontoparietal network could contribute to mental health disorders.</i> >>️</div><div><br></div><div>Nora Bradford. <i>What Your Brain Is Doing When You’re Not Doing Anything.</i> quantamagazine.org. Feb 5, 2024. </div><div><a href="https://www.quantamagazine.org/what-your-brain-is-doing-when-youre-not-doing-anything-20240205">https://www.quantamagazine.org/what-your-brain-is-doing-when-youre-not-doing-anything-20240205</a>/</div><div><br></div><div><b>FonT</b>: the cat when it is in a contemplative state ... Who knows in what forms and with what results an artificial intelligence (AI) will be able to structure itself in networks of this type.</div><div><br></div><div><b>Also</b>: <i>brain</i>, <i>brain default mode network</i>, in <a href="https://pubmed.ncbi.nlm.nih.gov/?term=brain+default+mode+network">https://pubmed.ncbi.nlm.nih.gov/?term=brain+default+mode+network</a></div><div><br></div><div><b>Also</b>: <i>brain</i>, <i>salience network</i>, in <a href="https://pubmed.ncbi.nlm.nih.gov/?term=brain+salience+network">https://pubmed.ncbi.nlm.nih.gov/?term=brain+salience+network</a></div><div><br></div><div><b>Also</b>: <i>brain</i>, <i>triple network theory</i>, in <a href="https://pubmed.ncbi.nlm.nih.gov/?term=brain+triple+network+theory">https://pubmed.ncbi.nlm.nih.gov/?term=brain+triple+network+theory</a></div><div><br></div><div><b>Also</b>: <i>brain</i>, ai (artificial intell), analogy, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: brain, mind, default mode network, salience network, triple network theory, AI</div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-87150227865412311892024-03-11T20:30:00.001+01:002024-03-11T20:30:24.686+01:00# gst: self-trapped nonlinear waves with multiple phase singularities. <div class="separator" style="clear: both; text-align: center;">
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</div><div><div>AA << <i>investigate the existence of self-trapped nonlinear waves with multiple phase singularities</i>. >>️</div><div><br></div><div>They << <i>focus on configurations with an antivortex surrounded by a triangular arrangement of vortices within a hosting soliton. (AA) find stationary patterns that can be interpreted as stable self-trapped vortex crystals, constituting the first example of a configuration of this sort with space-independent potentials. Their stability is linked to their norm, transitioning from unstable to stable as their size increases, with an intermediate region where the structure is marginally unstable, undergoing a remarkable and puzzling self-reconstruction during its evolution.</i> >>️</div><div><br></div><div>Angel Paredes and Humberto Michinel. <i>Self-trapping of vortex crystals via competing nonlinearities. </i> Phys. Rev. E 109, 024216. Feb 22, 2024. </div><div><a href="https://journals.aps.org/pre/abstract/10.1103/PhysRevE.109.024216">https://journals.aps.org/pre/abstract/10.1103/PhysRevE.109.024216</a></div><div><br></div><div><b>Also</b>: <i>waves</i>, <i>soliton</i>, <i>vortex</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: gst, waves, soliton, self-trapping, vortex </div><div><br></div><div><br></div><div><br></div></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-66880754912328181052024-03-06T18:04:00.001+01:002024-03-06T18:04:49.578+01:00# life: apropos of 1or2achoos (from Wuhan (?)) ; CD8+ T cell and early mucosal IgA responses seem strongly associated with viral (SARS-CoV-2) control.<div><< <i>the earliest stages of SARS-CoV-2 infection remain poorly characterized. Wagstaffe et al. conducted a human SARS-CoV-2 infection challenge study, enabling analysis of the innate and adaptive immune responses during the early postexposure period. (..) Modeling of the immune response identified CD8+ T cell and early mucosal IgA responses as strongly associated with viral control,</i> >> Claire Olingy. ️</div><div><br></div><div>Helen R. Wagstaffe, Ryan S. Thwaites, et al. <i>Mucosal and systemic immune correlates of viral control after SARS-CoV-2 infection challenge in seronegative adults</i>. Sci Immunol. Vol 9, Issue 92. doi: 10.1126/ sciimmunol.adj9285. Feb 9, 2024. </div><div><a href="https://www.science.org/doi/10.1126/sciimmunol.adj9285">https://www.science.org/doi/10.1126/sciimmunol.adj9285</a> </div><div><br></div><div><b>Also</b>: aproposito di '1or2achoos' (da Wuhan (?)). FonT. jul 13, 2022. </div><div><a href="https://flashontrack.blogspot.com/2022/07/life-aproposito-di-1or2achoos-da-wuhan.html">https://flashontrack.blogspot.com/2022/07/life-aproposito-di-1or2achoos-da-wuhan.html</a> </div><div><br></div><div><b>Also</b>: <i>sars</i>, <i>covid</i>, <i>1or2achoos</i>, <i>virus</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: sars, covid, 1or2achoos, virus, mucosa, early viral control </div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-36465572576903692702024-03-05T12:15:00.001+01:002024-03-05T12:15:12.153+01:00# life: Hollywood movies revisited, you'll have to be very careful, a cycle of panic and neglect (e.g. about an 'Entity X') is beginning to repeat.<div><< <i>Your Highnesses, Your Excellencies,</i></div><div><i>Dear colleagues and friends, (..).</i></div><div><i>I thank Your Highnesses for your hospitality, for your steadfast support for the World Health Organization and global health, and for the opportunity to address you today.</i> >>️</div><div><br></div><div><< <i>On the 12th of February 2018 – exactly six years ago – I stood on this stage and said the world was not prepared for a pandemic, and expressed my concern at that time that a pandemic could happen anytime.</i> >>️</div><div><br></div><div><< <i>As you remember, less than two years later, in December 2019, the COVID-19 pandemic struck, and indeed, the world was not prepared</i>. >>️</div><div><br></div><div><< <i>Today I stand before you, in the aftermath of COVID-19,</i></div><div><i>With millions of people dead,</i></div><div><i>With social, economic and political shocks that reverberate to this day,</i> >>️</div><div><br></div><div><< <i>The cycle of panic and neglect is beginning to repeat</i>. >>️</div><div><br></div><div><< <i>It may be caused by an influenza virus, or a new coronavirus, or it may be caused by a new pathogen we don’t even know about yet – what we call Disease X</i>. >>️</div><div><br></div><div><i>WHO Director-General's speech at the World Governments Summit – 12 Feb 2024</i>.️ WHO. </div><div><a href="https://www.who.int/director-general/speeches/detail/who-director-general-s-speech-at-the-world-governments-summit---12-february-2024">https://www.who.int/director-general/speeches/detail/who-director-general-s-speech-at-the-world-governments-summit---12-february-2024</a> </div><div><br></div><div><b>Also</b>: <i>sars</i>, <i>covid</i>, <i>1or2achoos</i>, <i>virus</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: sars, covid, 1or2achoos, virus, disease X</div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-34048267204816441952024-03-02T15:34:00.001+01:002024-03-02T15:34:07.916+01:00# behav: ADHD may have been a feature of nomadic exploration among hunter-gatherer societies<div><< <i>All mobile organisms forage for resources, choosing how and when to search for new opportunities by comparing current returns with the average for the environment. In humans, nomadic lifestyles favouring exploration have been associated with genetic mutations implicated in attention deficit hyperactivity disorder (ADHD), inviting the hypothesis that this condition may impact foraging decisions in the general population.</i> >>️</div><div><br></div><div>David L. Barack, Vera U. Ludwig, et al. </div><div><i>Attention deficits linked with proclivity to explore while foraging</i>. Proc Royal Society B. doi: 10.1098/ rspb.2022.2584. Feb 21, 2024. </div><div><a href="https://doi.org/10.1098/rspb.2022.2584">https://doi.org/10.1098/rspb.2022.2584</a> </div><div><br></div><div><< <i>Is it a legacy of the hunter-gatherer world?</i> >> Arjun Ramakrishnan</div><div><br></div><div>Chen Ly. <i>ADHD may have evolved to help foragers know when to cut their losses</i>. newscientist.com Feb 21,2024.</div><div><a href="https://www.newscientist.com/article/2418114-adhd-may-have-evolved-to-help-foragers-know-when-to-cut-their-losses">https://www.newscientist.com/article/2418114-adhd-may-have-evolved-to-help-foragers-know-when-to-cut-their-losses</a></div><div><br></div><div><b>Also</b>: <i>nomads</i>, <i>bushmen</i>, <i>behav</i>, <i>uncertainty</i>, <i>curiosity</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: adhd, nomads, hunter-gatherers, behavior, behaviour</div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-29142806056093185062024-02-29T14:24:00.001+01:002024-02-29T14:24:57.713+01:00# gst: an analogy between geometrical frustrations and nonreciprocal systems<div><< <i>A system is geometrically frustrated when its members cannot find a configuration that simultaneously minimizes all their interaction energies, (..). A nonreciprocal system is one whose members have conflicting, asymmetric goals, as exemplified by an ecosystem of predators and prey.</i> >>️</div><div><br></div><div><< <i>Ryo Hanai (..) has identified a powerful mathematical analogy between those two types of dynamical systems.</i> >>️</div><div><br></div><div>Peter Littlewood. <i>Nonreciprocal Frustration Meets Geometrical Frustration.</i> Physics 17, 32. Feb 26, 2024. </div><div><a href="https://physics.aps.org/articles/v17/32">https://physics.aps.org/articles/v17/32</a></div><div><br></div><div>Ryo Hanai. <i>Nonreciprocal Frustration: Time Crystalline Order-by-Disorder Phenomenon and a Spin-Glass-like State</i>. Phys. Rev. X 14, 011029. Feb 26, 2024. </div><div><a href="https://journals.aps.org/prx/abstract/10.1103/PhysRevX.14.011029">https://journals.aps.org/prx/abstract/10.1103/PhysRevX.14.011029</a></div><div><br></div><div><b>Also</b>: <i>order</i>, <i>disorder</i>, <i>disorder & fluctuations</i>, <i>noise</i>, <i>analogy</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: gst, analogy, order, disorder, noise</div><div><br></div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-75233513203950880772024-02-23T13:52:00.001+01:002024-02-23T13:52:13.153+01:00# gst: soft and stiff modes in colloidal particle networks<div><< <i>Floppy microscale spring networks are widely studied in theory and simulations, but no well-controlled experimental system currently exists</i>. >> </div><div><br></div><div>AA << <i>show that square lattices consisting of colloid-supported lipid bilayers functionalized with DNA linkers act as microscale floppy spring networks. (AA) extract their normal modes by inverting the particle displacement correlation matrix, showing the emergence of a spectrum of soft modes with low effective stiffness in addition to stiff modes that derive from linker interactions</i>. >></div><div><br></div><div><< <i>Evaluation of the softest mode, a uniform shear mode, reveals that shear stiffness decreases with lattice size</i>. >></div><div><br></div><div> AA << <i>results reveal the importance of entropic steric effects</i>. >></div><div>️</div><div>Julio Melio, Silke E. Henkes, Daniela J. Kraft. <i>Soft and Stiff Normal Modes in Floppy Colloidal Square Lattices</i>. Phys. Rev. Lett. 132, 078202. Feb 14, 2024. </div><div><a href="https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.132.078202">https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.132.078202</a></div><div><br></div><div><b>Also</b>: <i>particle</i>, <i>nano</i>, <i>colloids</i>, <i>network</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: gst, particle, nano, colloids, network, colloidal network</div><div><br></div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-26879188816497286912024-02-21T15:23:00.001+01:002024-02-21T15:23:54.319+01:00# gst: when volatile droplets dance across a surface erratically (along random trajectories)<div><< <i>When a drop of a volatile liquid is deposited on a uniformly heated wettable, thermally conducting substrate, one expects to see it spread into a thin film and evaporate</i>. >>️</div><div><br></div><div><< <i>Contrary to this intuition, due to thermal Marangoni contraction, the deposited drop contracts into a spherical-cap-shaped puddle, with a finite apparent contact angle. Strikingly, this contracted droplet, above a threshold temperature, well below the boiling point of the liquid, starts to spontaneously move on the substrate in an apparently erratic way.</i> >>️</div><div><br></div><div>Pallav Kant, Mathieu Souzy, et al. <i>Autothermotaxis of volatile drops.</i> Phys. Rev. Fluids 9, L012001. Jan 31, 2024. </div><div><a href="https://journals.aps.org/prfluids/abstract/10.1103/PhysRevFluids.9.L012001">https://journals.aps.org/prfluids/abstract/10.1103/PhysRevFluids.9.L012001</a></div><div><br></div><div>Rachel Berkowitz. <i>Hot Surfaces Make Droplets Move Erratically</i>. Physics 17, s14. Jan 31, 2024. </div><div><a href="https://physics.aps.org/articles/v17/s14">https://physics.aps.org/articles/v17/s14</a> </div><div><br></div><div><b>Also</b>: <i>drop</i>, <i>bubble</i>, <i>erratic</i></div><div>in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: gst, drop, bubble, erratic, thermotaxis, autothermotaxis</div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-61529796476764876172024-02-19T11:47:00.001+01:002024-02-19T11:47:34.219+01:00# life: hypothetical 'subtle variations' about three ancient neuro-cognitive models, the nomadic explorer, the nomadic owner, the farmer.<div><< <i>Prehistoric humans underwent three major migration events across Eurasia, influencing the genetic diversity of present-day Europe. These include the arrival of hunter-gatherers approximately 45,000 years ago, the expansion of Neolithic farmers from the Middle East around 11,000 years ago, and the rise of animal husbandry when steppe pastoralists migrated from the Pontic Steppe approximately 5,000 years ago. Each of these events represents a crucial period in human history that has shaped the genetic diversity observed in present-day Europe, although specific genetic and demographic details remain poorly characterized.</i> >>️</div><div><br></div><div>Michael Attwaters. <i>Ancient migration and the modern genome</i>. Nat Rev Genet 25, 162. Feb 5, 2024. </div><div><a href="https://www.nature.com/articles/s41576-024-00702-4">https://www.nature.com/articles/s41576-024-00702-4</a></div><div><br></div><div><b>Also</b>: <i>nomad</i>, <i>ctz entity</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: life, hunter-gatherers, pastoralists, farmers</div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-16604305440926698942024-02-17T19:03:00.001+01:002024-02-17T19:03:46.985+01:00# life: it’s time to admit that ...<div class="separator" style="clear: both; text-align: center;">
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</div><div><div><< <i>For too long, scientists have been content in espousing the lazy metaphor of living systems operating simply like machines, (..) Yet, it’s important to be open about the complexity of biology — including what we don’t know — because public understanding affects policy, health care and trust in science. “So long as we insist that cells are computers and genes are their code,” writes Ball, life might as well be “sprinkled with invisible magic”. But, reality “is far more interesting and wonderful”, as he explains in this must-read user’s guide for biologists and non-biologists alike</i>. >>️</div><div><br></div><div>Denis Noble. <i>It’s time to admit that genes are not the blueprint for life.</i> Nature. 626, 254-255 (2024). Feb 5, 2024. </div><div><a href="https://www.nature.com/articles/d41586-024-00327-x">https://www.nature.com/articles/d41586-024-00327-x</a></div><div><br></div><div>Philip Ball. <i>How Life Works: A User’s Guide to the New Biology</i>. Pan Macmillan (2024). </div><div><a href="https://www.panmacmillan.com/authors/philip-ball/42387">https://www.panmacmillan.com/authors/philip-ball/42387</a></div><div><br></div><div><b>Also</b>: <i>disorder</i>, <i>disorder & fluctuation</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a> </div><div><br></div><div><b>Keywords</b>: life, disorder, fluctuations</div><div><br></div><div><b>FonT</b>: this point of view, published in the 70s-80s, would have made a damned impression. </div><div><br></div><div><br></div></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-50185140521971892572024-02-15T11:22:00.003+01:002024-02-15T11:32:16.480+01:00# gst: droplets scoot like caterpillars.<div>
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</div><div><div><< <i>From swells in an ocean to ripples in a puddle, the shearing effect of wind blowing over a liquid is visible at all scales. This shear determines the interactions between Earth’s atmosphere and its surface water and, researchers now explain, the movement of liquid droplets that crawl up and down the window of a moving car in the rain. In a series of experiments, (AA) show that airflow triggers surface waves that cause such droplets to crawl like caterpillars before they break apart.</i> >>️</div><div><br></div><div><< <i>At first, the airflow across the droplet’s surface caused the droplet to extend into an oval shape. The droplet also began to tilt, with the liquid piling up at the droplet’s downwind edge. When the drag force exerted by the airflow overcame the capillary force between the glycerin and the glass, the droplet began to slide and to stretch out even more. Surface waves then developed on the elongated droplet and traveled toward its leading edge. The waves induced a stable caterpillar-like motion, with the droplet stretching and contracting along its length. Eventually, beyond a threshold length that depended on the droplet’s volume, the caterpillar was no longer able to withstand the shearing force and broke into several droplets</i>. >>️</div><div><br></div><div>AA << <i>say that the behavior follows the same pattern as that of an elongated droplet sliding along an incline.</i> >></div><div>️</div><div>Rachel Berkowitz. <i>Droplets Scoot Like Caterpillars</i>. Physics 16, s110. Sep 1, 2023.</div><div><a href="https://physics.aps.org/articles/v16/s110">https://physics.aps.org/articles/v16/s110</a> </div><div><br></div><div>A. Chahine, J. Sebilleau, R. Mathis, D. Legendre. <i>Caterpillar like motion of droplet in a shear flow</i>. Phys. Rev. Fluids 8, 093601. Sep 1, 2023.</div><div><a href="https://journals.aps.org/prfluids/abstract/10.1103/PhysRevFluids.8.093601">https://journals.aps.org/prfluids/abstract/10.1103/PhysRevFluids.8.093601</a></div><div><br></div><div><b>Also</b>: <i>drop</i>, <i>bubble</i>, <i>transition</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a> </div><div><br></div><div><b>Keywords</b>: gst, drop, droplet, droploid, bubble, transition</div><div><br></div><div><br></div></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-260447413755541422024-02-13T18:09:00.001+01:002024-02-13T18:09:22.264+01:00# brain: arterial pressure pulsations could modulate neuronal activity.<div class="separator" style="clear: both; text-align: center;">
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</div><div><div><< <i>Spontaneous slow oscillations have been described in the rat olfactory bulb local field potential, even in the absence of respiration. What is the origin of these oscillations? </i>>></div><div><br></div><div>AA << <i>discovered a subpopulation of neurons within the olfactory bulb that can directly sense cardiovascular pressure pulsations (..). The modulation of their excitability is transduced by mechanosensitive ion channels.</i> >></div><div><br></div><div><< <i>Thus, there exists a fast pathway for the interoception of heartbeat whereby arterial pressure pulsations within the brain modulate neuronal activity.</i> >> Peter Stern. ️</div><div><br></div><div>Luna Jammal Salameh, Sebastian H. Bitzenhofer, et al. <i>Blood pressure pulsations modulate central neuronal activity via mechanosensitive ion channels.</i> Science. Vol 383, Issue 6682. Feb 2, 2024. </div><div><a href="https://www.science.org/doi/10.1126/science.adk8511">https://www.science.org/doi/10.1126/science.adk8511</a></div><div><br></div><div><b>img</b>: <a href="https://www.science.org/cms/10.1126/science.adk8511/asset/76a1eaf8-61d3-4233-bc2a-be2276f367cd/assets/images/large/science.adk8511-fa.jpg">https://www.science.org/cms/10.1126/science.adk8511/asset/76a1eaf8-61d3-4233-bc2a-be2276f367cd/assets/images/large/science.adk8511-fa.jpg</a></div><div><br></div><div><b>Also</b>: <i>brain</i>, <i>pnei</i>, <i>soliton</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a> </div><div><br></div><div><b>Keywords</b>: brain, pnei, olfactory bulb, spontaneous slow oscillations, wave, soliton</div><div><br></div></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-14719549676447091422024-02-08T17:14:00.002+01:002024-02-15T11:59:17.978+01:00# life: mimesis, ambiguity, noise, when an entity is master of disguise. <div class="separator" style="clear: both; text-align: center;">
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</div><div><div><< <i>At every stage in their lives, from egg to adult, leaf and stick insects prove to be prey that can trick their predators.</i> >>️</div><div><br></div><div>Allie Yang. <i>These insects are masters of disguise—even before hatching.</i> nationalgeographic.com. Oct 17, 2023.</div><div><a href="https://www.nationalgeographic.com/animals/article/phasmids-stick-leaf-insects-eggs-camouflouge">https://www.nationalgeographic.com/animals/article/phasmids-stick-leaf-insects-eggs-camouflouge</a></div><div><br></div><div><b>Also</b>: <i>mimesis</i>, in <b>Notes</b> (quasi-stochastic poetry)</div><div><a href="https://inkpi.blogspot.com/search?q=mimesi">https://inkpi.blogspot.com/search?q=mimesi</a><br></div><div><br></div><div><a href="https://inkpi.blogspot.com/search?q=mimetico">https://inkpi.blogspot.com/search?q=mimetico</a></div><div><br></div><div><b>Also</b>: <i>noise</i>, <i>metamorphosis</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: mimesis, disguise, ambiguity, noise, metamorphosis, two-faced Janus</div><div><br></div><div><br></div></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-69244162985801715322024-02-07T13:46:00.001+01:002024-02-07T13:46:11.255+01:00# gst: feedback systems with switches that actuate after a preset delay.<div>AA << <i>study the dynamics of a piecewise-linear second-order delay differential equation that is representative of feedback systems with relays (switches) that actuate after a fixed delay. The system under study exhibits strong multirhythmicity, the coexistence of many stable periodic solutions for the same values of the parameters</i>. >></div><div><br></div><div>AA << <i>are able to show that slowly oscillating solutions are always stable if they exist. (They) also demonstrate the coexistence of stable periodic solutions with quasiperiodic solutions</i>. >></div><div><br></div><div>Lucas Illing, Pierce Ryan, Andreas Amann.<i> ️Dynamics of a time-delayed relay system</i>. Phys. Rev. E 109, 014223. Jan 23, 2024. </div><div><a href="https://journals.aps.org/pre/abstract/10.1103/PhysRevE.109.014223">https://journals.aps.org/pre/abstract/10.1103/PhysRevE.109.014223</a></div><div><br></div><div><b>Keywords</b>: gst, feedback, relay, switch</div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-48359456100967238892024-02-03T19:03:00.001+01:002024-02-03T19:03:49.653+01:00# gst: transitions in disordered medium.<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/a/AVvXsEhq8mQ6l-5Hsot2GqifeHkQ-knPTYfiLqgYhVL8bXXPXIPqOaLC7FnShquVT9e3bS_erEZJeBS46I_r0d7W3fVEqZTRT3QpYNbTZd5nlHzvEnj9dcOPHgNIkyAEuRFACN7ruiQyngYKAX9OCssgb-39taW-vNYtRJLB613wPM6MLgdmjC04wWQ_h6jvJbE" imageanchor="1" style="margin-left: 1em; margin-right: 1em;">
<img border="0" src="https://blogger.googleusercontent.com/img/a/AVvXsEhq8mQ6l-5Hsot2GqifeHkQ-knPTYfiLqgYhVL8bXXPXIPqOaLC7FnShquVT9e3bS_erEZJeBS46I_r0d7W3fVEqZTRT3QpYNbTZd5nlHzvEnj9dcOPHgNIkyAEuRFACN7ruiQyngYKAX9OCssgb-39taW-vNYtRJLB613wPM6MLgdmjC04wWQ_h6jvJbE" width="400">
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</div><div><div>AA << <i>study computationally the dynamics of forced, Brownian particles through a disordered system. As the concentration of mobile particles and/or fixed obstacles increase, (AA) characterize the different regimes of flow and address how clogging develops</i>. >>️</div><div><br></div><div>AA << <i>show that clogging is preceded by a wide region of anomalous transport, characterized by a power law decay of intermittent bursts. (..) this abnormal flow region is characterized by a coexistence between mobile and arrested particles, and their relative populations change smoothly as clogging is approached.</i> >></div><div>️</div><div>Sergi G. Leyva, Ignacio Pagonabarraga. Clogging transition and anomalous transport in driven suspensions in a disordered medium. Phys. Rev. E 109, 014618. Jan 31, 2024.</div><div><a href="https://journals.aps.org/pre/abstract/10.1103/PhysRevE.109.014618">https://journals.aps.org/pre/abstract/10.1103/PhysRevE.109.014618</a></div><div><br></div><div><b>img</b>: <a href="https://twitter.com/PhysRevE/status/1753068208586711072">https://twitter.com/PhysRevE/status/1753068208586711072</a> </div><div><br></div><div><b>Also</b>: <i>transition</i>, <i>particle</i>, <i>disorder</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: gst, transition, particle, disorder</div><div><br></div></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-5760243814907498602024-02-01T20:32:00.002+01:002024-02-01T20:51:03.253+01:00# life: a new exception within the FDA Cures Act Informed Consent, the intriguing concept of 'Minimal Risk Clinical Investigations'. <div><div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/a/AVvXsEj06AilFjSkWObu-ltPcqpMR6yWWFgYdW3D3__fGitgiObxIBywvOJlSp2PnoAbfnxtP94UBlGyZTzRBtJIJdkkUxz_oF2p2pk0UFNtNZAhwtq278yfTsWjbfrlJOSLNsuUguPuKsnISc6xoEz0peoLkqfgQ-HuOcTmkb-Gxqtz7mhtcDQcb-RId5SV5Rw" imageanchor="1" style="margin-left: 1em; margin-right: 1em;">
<img border="0" src="https://blogger.googleusercontent.com/img/a/AVvXsEj06AilFjSkWObu-ltPcqpMR6yWWFgYdW3D3__fGitgiObxIBywvOJlSp2PnoAbfnxtP94UBlGyZTzRBtJIJdkkUxz_oF2p2pk0UFNtNZAhwtq278yfTsWjbfrlJOSLNsuUguPuKsnISc6xoEz0peoLkqfgQ-HuOcTmkb-Gxqtz7mhtcDQcb-RId5SV5Rw" width="400">
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</div><br></div><div><< <i>The Food and Drug Administration (FDA, the Agency, or we) is issuing a final rule to amend its regulations to implement a provision of the 21st Century Cures Act (Cures Act). This final rule allows an exception from the requirement to obtain informed consent when a clinical investigation poses no more than minimal risk to the human subject and includes appropriate safeguards to protect the rights, safety, and welfare of human subjects. The final rule permits an institutional review board (IRB) to waive or alter certain informed consent elements or to waive the requirement to obtain informed consent, under limited conditions, for certain FDA-regulated minimal risk clinical investigations</i>. >>️</div><div><br></div><div><i>Institutional Review Board Waiver or Alteration of Informed Consent for Minimal Risk Clinical Investigations. A Rule by the Food and Drug Administration on 12/21/2023.</i> federalregister.gov </div><div><a href="https://www.federalregister.gov/documents/2023/12/21/2023-27935/institutional-review-board-waiver-or-alteration-of-informed-consent-for-minimal-risk-clinical">https://www.federalregister.gov/documents/2023/12/21/2023-27935/institutional-review-board-waiver-or-alteration-of-informed-consent-for-minimal-risk-clinical</a></div><div><br></div><div><b>FonT</b>: '<i>Minimal Risk Clinical Investigations (MRCI)</i>': here are intriguing both <b>(i)</b> the scientific formalization of the operational methods decided (case by case) by the FDA about MRCI and <b>(ii)</b> the possible strategies - if at least one exists - for avoiding the 'multitude of unaware' from this type of interception.</div><div><br></div><div><b>Also</b>: <i>Are you ready for all this?</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Also</b>: <i>evitare</i> (avoid), in <b>Notes</b> (quasi-stochastic poetry) <a href="https://inkpi.blogspot.com/search?q=evitare">https://inkpi.blogspot.com/search?q=evitare</a></div><div><br></div><div><b>Also</b>: <i>avoid</i>, in <b>FonT</b> <a href="https://flashontrack.blogspot.com/search?q=avoid">https://flashontrack.blogspot.com/search?q=avoid</a></div><div><br></div><div><b>Also</b>: Robert F. Kennedy's opinion on the issue <a href="https://twitter.com/RobertKennedyJr/status/1752126207821271080">https://twitter.com/RobertKennedyJr/status/1752126207821271080</a> </div><div><br></div><div><b>Keywords</b>: life, FDA, informed consent, risk, minimal risk, minimal risk clinical investigations, avoidance, 1or2achoos, are you ready</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0tag:blogger.com,1999:blog-3621475592493643685.post-4197189067490946692024-01-30T10:14:00.000+01:002024-01-30T10:15:03.215+01:00# gst: analogy between quasi-2D and 3D liquid drops.<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/a/AVvXsEjTeCTTSeRfDPtVzjOcoaTAmh9XvQKeOZu0TL8XHjzVPTNTiPGdcub53_NewcnLjGms9wSqtHv_TCpLszk7t-gxDmtfflRRB_uY0Rt4TfWqzfQXK6M1MKHuhltVal1fcHYaD83B86IotGpqpcQmkYAoVBH-wjfyiTHrhsOhEzrokwKYBvry6uXWOBsVZQE" imageanchor="1" style="margin-left: 1em; margin-right: 1em;">
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</div><div><div><< <i>Liquid drops are everywhere around us and important in numerous technological applications. Here, (AA) demonstrate a quasi-two-dimensional (Q2D) analogy to the regular, often close to axisymmetric, three-dimensional (3D) drops. </i>>>️</div><div><br></div><div><< <i>The Q2D drops are created by confining liquids between vertical walls, leading to formation of low aspect ratio capillary bridges that are deformed by gravity. When stationary, the Q2D drops adopt projected shapes that are analogous to 3D sessile drops, ranging from circular drops to puddles.</i> >>️</div><div><br></div><div><< <i>When moving, the Q2D drops exhibit capillary and fluid mechanical behaviours analogous to 3D drops, including impacts and sliding on pseudo-surfaces. The Q2D drops also exhibit considerably more complex phenomena such as levitation, instabilities and pattern formation when subjected to external electric, magnetic and flow fields -- all seen also in regular 3D drops</i>. >>️</div><div><br></div><div><< <i>3D-Q2D analogy suggests that the diverse and often complicated phenomena observed in 3D drops can be studied in the Q2D geometry</i>, >></div><div>️</div><div>Tytti Kärki, Into Pääkkönen, et al. <i>Quasi-Two-Dimensional Drops</i>. arXiv: 2401.11845v1 [physics.flu-dyn]. Jan 22, 2024.</div><div><a href="https://arxiv.org/abs/2401.11845">https://arxiv.org/abs/2401.11845</a></div><div><br></div><div><b>Also</b>: <i>drop</i>, <i>analogy</i>, in <a href="https://www.inkgmr.net/kwrds.html">https://www.inkgmr.net/kwrds.html</a></div><div><br></div><div><b>Keywords</b>: gst, drop, droplet, droploid, analogy</div><div><br></div><div><br></div></div>inchingolo gmhttp://www.blogger.com/profile/00289523956997256038noreply@blogger.com0