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UrduScholars explain the kinetics of distillation in eukaryotic cells
Tag: BIOMECHANICS/BIOPHYSICS
The secret of catalysts that increase fuel cell efficiency
Fuel cells, which are attracting attention as an eco-friendly energy source, obtain electricity and heat simultaneously through the reverse reaction of water electrolysis. Therefore, the catalyst that enhances the reaction efficiency is directly connected to the performance of the fuel…
Irradiating COVID-19 cough droplets with UV-C lamps
Using supercomputer numerical modeling of saliva droplets’ diffusion produced by coughs, researchers in Italy explore deactivating COVID-19 virus particles via UV-C light
Injectable porous scaffolds promote better, quicker healing after spinal cord injuries
Hydrogel scaffolds with regularly spaced pores encourage spinal cords cells to grow, improve regeneration of nerve cells.
Strategic air purifier placement reduces virus spread within music classrooms
Aerosol simulations show how airborne particles containing SARS-CoV-2 spread within a music classroom and how to use portable HEPA air purifiers to reduce their spread
New study highlights first infection of human cells during spaceflight
Astronauts face many challenges to their health, due to the exceptional conditions of spaceflight. Among these are a variety of infectious microbes that can attack their suppressed immune systems. Now, in the first study of its kind, Cheryl Nickerson, lead…
A biosensor for measuring extracellular hydrogen peroxide concentrations
Several processes in the human body are regulated by biochemical reactions involving hydrogen peroxide (H 2 O 2 ). Although it can act as a ‘secondary messenger’, relaying or amplifying certain signals between cells, H 2 O 2 is generally…
Membrane around tumors may be key to preventing metastasis
Tough as plastic wrap but elastic like a balloon, the lining could be a target for therapies to limit cancer cells from spreading.
Sophisticated skin
Squids’ remarkable ability to tune both the color and the brightness of their iridescence comes down to a subtle but powerful mechanism
Hybrid microbes: Genome transfer between different bacteria strains explored
Bacteria integrate genetic material from other bacterial strains more easily than previously thought, which can lead to improved fitness and accelerated evolution. This is shown in a recent study by biophysicists at the University of Cologne. The team analysed genome…
Advance in ‘optical tweezers’ to boost biomedical research
Much like the Jedis in Star Wars use ‘the force’ to control objects from a distance, scientists can use light or ‘optical force’ to move very small particles. The inventors of this ground-breaking laser technology, known as ‘optical tweezers’, were…
This frog has lungs that act like noise-canceling headphones, study shows
To succeed in mating, many male frogs sit in one place and call to their potential mates. But this raises an important question familiar to anyone trying to listen to someone talking at a busy cocktail party: how does a…
Cancer ‘guardian’ breaks bad with one switch
Study shows how mutant protein clusters drive disease-causing aggregates
A new model can predict the evolution of antibiotic resistance in bacteria
A team of scientists from the University of Cologne (Germany) and the University of Uppsala (Sweden) has created a model that can describe and predict the evolution of antibiotic resistance in bacteria. Resistance to antibiotics evolves through a variety of…
Prehistoric killing machine exposed
Previously thought of as heavy, slow and sluggish, the 260-million-year-old predator, Anteosaurus, was a ferocious hunter-killer
Filming a 3D video of a virus with instantaneous light and AI
It is millions of trillions of times brighter than the sunlight and a whopping 1,000 trillionth of a second, appropriately called the instantaneous light. It is the X-ray Free Electron Laser (XFEL) light that opens a new scientific paradigm. Combining…
How math can help us understand the human body
Graph theory helps biologists study homeostasis, researchers say
Scientists develop elements for the future electronics
Researchers are developing thin films, the elements for biomolecular electronics.
Using stimuli-responsive biomaterials to understand heart development, disease
Striving for creation of a synthetic platform to mimic natural progression of heart development
A world first: A robot able to “hear” through the ear of a locust
Tel Aviv University researchers connect a real locust ear to a robot
Food for thought: New maps reveal how brains are kept nourished
Micro-scale depictions solve century-old puzzle of brain energy use and blood vessel clusters
Searching for novel targets for new antibiotics
Helper protein controls interactive process of ribosome formation
Oregon State research shows how tissue’s microscopic geometry affects spread of cancer
CORVALLIS, Ore. – Oregon State University research has revealed a crucial mechanism behind one of humankind’s most deadly physiological processes: the movement of malignant cells from one part of the body to another. Published in the Proceedings of the National…
New study challenges ‘established’ mechanism about selectivity of cellular ion channels
The study demonstrates the passage of sodium ions through a potassium ion channel, indicating that they are not as selective as previously thought
A new theory for how memories are stored in the brain
Research from the University of Kent has led to the development of the MeshCODE theory, a revolutionary new theory for understanding brain and memory function. This discovery may be the beginning of a new understanding of brain function and in…
Plants set a “bedtime” alarm to ensure their survival, new study shows.
Plants have a metabolic signal that adjusts their circadian clock in the evening to ensure they store enough energy to survive the night, a new study reveals. The research – involving scientists from the University of York – suggests this…
Nanoparticles help untangle Alzheimer’s disease amyloid beta plaques
New research shows that the protein that causes Alzheimer’s disease’s hallmark brain plaques clings to certain bowl-shaped nanoparticles, allowing researchers to better understand the disease and potentially providing a targeted therapeutic
How photoblueing disturbs microscopy
The latest developments in fluorescence microscopy make it possible to image individual molecules in cells or molecular complexes with a spatial resolution of up to 20 nanometres. However, under certain circumstances, an effect occurs that falsifies the results: the laser…
Cryptic fleshy coat aids larvae in crawling on a moss carpet
“Fleshy lobes” in insect larvae are known as a tool for camouflage but it was found that they can also serve as a locomotion aid.
Scientists use Doppler to peer inside cells
Process leads to Scientists use Doppler to peer inside cells, leading to better, faster diagnoses and treatments of infection
First complete coronavirus model shows cooperation
Frontera, Anton 2 supercomputers simulate holistic model of SARS-CoV-2 virion
Antibodies recognize and attack different SARS-CoV-2 spike shapes
The spikes on the SARS-CoV-2 virus, which causes COVID-19, change shapes; new research reveals ways that antibodies can recognize these different shapes and block the virus and informs the design of vaccines and antiviral therapies
How SARS-CoV-2’s sugar-coated shield helps activate the virus
SARS-CoV-2, the virus that causes COVID-19, is coated with sugars called glycans, which help it evade the immune system; new research shows precisely how those sugars help the virus become activated and infectious and could help with vaccine and drug disc
Scientists uncover new details of SARS-CoV-2 interactions with human cells
In order to infect cells, SARS-CoV-2, the virus that causes COVID-19, needs to insert itself into the membrane of human cells; new molecular models show what parts of SARS-CoV-2 are critical for that interaction, revealing new potential drug targets
Buckyballs on DNA for harvesting light
Supramolecular structure boosts efficiency of light harvesting for solar cells
Evidence that Earth’s first cells could have made specialized compartments
New research by the University of Oslo provides evidence that the “protocells” that formed around 3.8 billion years ago, before bacteria and single-celled organisms, could have had specialized bubble-like compartments that formed spontaneously, encapsulated small molecules, and formed “daughter” protocells.…
Fantastic voyage: Nanobodies could help CRISPR turn genes on and off
Stanford researchers attached biological nanobodies to the CRISPR DNA editing tool in an experimental combo designed to extend the usefulness of two promising molecular tools
Expanded Frontera supercomputer to support urgent computing
National Science Foundation, Dell Technologies and Intel support extra capacity for emergency responses
How reducing body temperature could help a tenth of all ICU patients
A new study reveals how lower temperatures improve the activity of surfactant, a molecular mixture that is essential for breathing. This indicates that therapeutic hypothermia is a potential treatment for acute respiratory distress syndrome, which affects
Scientists use DNA origami to monitor CRISPR gene targeting
CRISPR gene editing has transformed research, but it is not perfect, and can sometimes target unintended genes; to watch CRISPR enzymes respond to different genes, Leipzig University researchers developed a new method using DNA origami and were able to me
Tool encoded in coronaviruses provides a potential target for COVID-19
Viruses make copies of themselves during an infection, and new research sheds light on one of the coronavirus molecules that is important for this process, providing a potential drug target that could work for Covid-19 and other coronavirus outbreaks too.
Measuring hemoglobin levels with AI microscope, microfluidic chips
A chip-based, microfluidic, AI-powered diagnostic platform could make medical diagnostics more affordable, accessible.
Simply speaking while infected can potentially spread COVID-19
Airflow patterns around two people conversing in typical situations, such as hair salons, medical exam rooms, and long-term care facilities
A memory without a brain
How a single cell slime mold makes smart decisions without a central nervous system
Silver and gold nanowires open the way to better electrochromic devices
A team from INRS developed a new approach for foldable and solid devices
Researchers grow artificial hairs with clever physics trick
Things just got hairy at Princeton. Researchers found they could coat a liquid elastic on the outside of a disc and spin it to form useful, complex patterns. When spun just right, tiny spindles rise from the material as it…
New technique reveals switches in RNA
Structural switches could be targets to fight coronavirus
Experts on genomics convene for virtual Mutational Scanning Symposium April 5 – 7
‘Exploring one of the biggest challenges facing genomics today – understanding genetic variants’
Biophysical Society announces new open access journal Biophysical Reports
ROCKVILLE, MD – Biophysical Reports , the new fully Gold Open Access journal offered by the Biophysical Society (BPS), is now accepting submissions. The newest addition to the BPS’s family of journals will feature short contributions (Letters and Reports) with…
Covid-19: Future targets for treatments rapidly identified with new computer simulations
Researchers have detailed a mechanism in the distinctive corona of Covid-19 that could help scientists to rapidly find new treatments for the virus, and quickly test whether existing treatments are likely to work with mutated versions as they develop