Current Microscopy Techniques News and Events | Page 2

Current Microscopy Techniques News and Events, Microscopy Techniques News Articles.
Sort By: Most Relevant | Most Viewed
Page 2 of 25 | 1000 Results
Controlling the nanoscale structure of membranes is key for clean water, researchers find
A desalination membrane acts as a filter for salty water: push the water through the membrane, get clean water suitable for agriculture, energy production and even drinking. The process seems simple enough, but it contains complex intricacies that have baffled scientists for decades -- until now. Researchers from Penn State, The University of Texas at Austin, Iowa State University, Dow Chemical Company and DuPont Water Solutions published a key finding in understanding how membranes actually filter minerals from water, online today (Dec. 31) in Science. (2020-12-31)

See live cells with 7 times greater sensitivity using new microscopy technique
Experts in optical physics have developed a new way to see inside living cells in greater detail using existing microscopy technology and without needing to add stains or fluorescent dyes. (2020-12-31)

Sugars influence cell-to-surface adhesion
An international team of researchers examined how movement and adhesion in the green alga Chlamydomonas reinhardtii can be manipulated. To this end, the researchers altered the sugar modifications in proteins on the cell surface. As a result, the so-called adhesion force was also altered. The results have now been published in the open access scientific journal eLife. (2020-12-29)

High-speed atomic force microscopy takes on intrinsically disordered proteins
Kanazawa University's pioneering high-speed atomic force microscope technology has now shed light on the structure and dynamics of some of life's most ubiquitous and inscrutable molecules - intrinsically disordered proteins. The study is reported in Nature Nanotechnology. (2020-12-28)

Experiment takes 'snapshots' of light, stops light, uses light to change properties of matter
The team generated a movie of how light waves churn on their nanometer wavelength scale by imaging electrons that two light photons coming together cause to emit from the surface. (2020-12-23)

New electron microscopy technique offers first look at previously hidden processes
Northwestern researchers have developed a new microscopy method that allows scientists to see the building blocks of 'smart' materials being formed at the nanoscale. (2020-12-22)

Development of plaques in Alzheimer's disease resolved
In Alzheimer's disease patients, the protein amyloid-beta (Aβ) clumps up in the brain to form so-called fibrils. This has a toxic effect on the surrounding nerve cells. It is believed that immune cells compact the Aβ fibrils into what are known as plaques. It is now possible to track the development of these microscopically small structures in human using infrared microscopy. (2020-12-21)

CNIO and IRB Barcelona assemble the gamma-tubulin ring complex in vitro for the first time
This work paves the way for the in vitro study of the nucleation process that is essential for assembly and organization of the microtubule cytoskeleton. The paper is a collaboration between Jens Lüders' group at IRB Barcelona and Oscar Llorca's at CNIO. The results have been published in Science Advances. (2020-12-21)

Brain stem cells divide over months
For the first time, scientists at the University of Zurich have been able to observe the way stem cells in the adult brains of mice divide over the course of months to create new nerve cells. Their study shows that brain stem cells are active over a long period, and thus provides new insights that will feed into stem cell research. (2020-12-21)

A full blood count of COVID-19 patients can predict disease severity
International research led by the Radboud university medical center shows that a full blood count of COVID-19 patients predicts fairly accurately whether the infection will have a complicated course or not. This makes it easier for healthcare providers to estimate the expected clinical picture. This study, conducted in eleven hospitals, has now been published in the scientific journal eLife. (2020-12-21)

Variety: Spice of life for bumble bees
The yield and quality of many crops benefit from pollination, but it isn't just honey bees that do this work: bumble bees also have a role. A team led by University of Göttingen used innovative molecular biological methods and traditional microscopy to investigate the pollen collecting behaviour of honey bees and bum-ble bees in agricultural landscapes. It turns out bumble bees take much more pollen from different plant species than honey bees to satisfy their need for protein. (2020-12-21)

New phase for synthetic aperture microscopy
Although SAM is undoubtedly a promising approach, current implementations lack in both spatial resolution and frame rate to be useful for emerging applications. To address these issues, a team of researchers led by Renjie Zhou from The Chinese University of Hong Kong recently developed a novel SAM method. (2020-12-21)

Researchers deconstruct ancient Jewish parchment using multiple imaging techniques
Scientists in Romania used multiple, complementary imaging techniques to non-invasively study the composition of an aged Jewish parchment scroll. The various analyses can determine the types of materials used in the manuscript's manufacturing, providing historical context for objects of mysterious provenance. The research also offers insights into the item's degradation over time, including indications of previous repair attempts. All of this information helps conservators determine how best to restore such antiques to their original condition. (2020-12-18)

UCI engineers reveal molecular secrets of cephalopod powers
In a study published recently in the Proceedings of the National Academy of Sciences, University of California, Irvine researchers have revealed the structure of a reflectin variant at the molecular level, and they have demonstrated a method for mechanically controlling the hierarchical assembly and optical properties of the protein. These findings are seen as key steps in exploiting many of the potentially useful attributes of the reflectin family. (2020-12-17)

Flexible and powerful electronics
A team of researchers led by the University of Tsukuba has developed a method for optimizing the electrical properties of carbon-based conductors by turning them into an ionic gel. This work may open the way for cheap, highly efficient sensors that can be printed on flexible surfaces. (2020-12-16)

New approach reveals structure and function of individual synapses
An interdisciplinary team of scientists at the Max Planck Florida Institute for Neuroscience report the results of a novel approach that allowed them to achieve direct measurements of the activity of individual synapses, their size, and their neuron's output signal. Their work challenges predictions of the Hebbian model, demonstrating that synapse size is not correlated with response similarity and suggests neural response properties reflect the total number of active synapses, both weak and strong. (2020-12-16)

Record resolution in X-ray microscopy
Researchers at Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), the Paul Scherrer Institute in Switzerland and other institutions in Paris, Hamburg and Basel, have succeeded in setting a new record in X-ray microscopy. With improved diffractive lenses and more precise sample positioning, they were able to achieve spatial resolution in the single-digit nanometre scale. (2020-12-11)

Scientists invent a new type of microscope that can see through an intact skull
Researchers at IBS invented a new type of microscope called reflective matrix microscope, which uses adaptive optics techniques (2020-12-02)

Reconstruction of eye tissue gives new insight into outer retina
Researchers used a newly developed imaging technique called serial block face scanning electron microscopy, to produce a digital reconstruction of eye tissues from the outer retina, at very high resolution. This is the first time this technology has been used to fully reconstruct cells from the retina and could provide new insights into the causes of irreversible blinding diseases. (2020-12-02)

Cell membranes in super resolution
For the first time ever, expansion microscopy allows the imaging of even the finest details of cell membranes. This offers new insights into bacterial and viral infection processes. (2020-12-02)

Raman holography
Scientists from ICFO and University Rovira i Virgili report on a novel Raman holographic technique capable of tracking individual particles in 3D volumes from one single image. (2020-11-30)

Teaching computers the meaning of sensor names in smart home
The UPV/EHU's IXA group has use natural language processing techniques to overcome one of the major difficulties associated with smart homes, namely that the systems developed to infer activities in one environment do not work when they are applied to a different one, because both the sensors and the activities are different. The group has come up with the innovative idea of using words to represent the activation of both sensors and human activity. (2020-11-30)

Game changer in thermoelectric materials could unlock body-heat powered personal devices
A breakthrough improvement in ultra?efficient thermoelectric materials, which can convert heat into electricity and vice versa, has great potential for applications ranging from low-maintenance, solid-state refrigeration to compact, zero-carbon power generation--possibly including small, personal devices powered by the body's own heat. Heat 'harvesting' takes advantage of the free, plentiful heat sources provided by body heat, automobiles, everyday living, and industrial process. (2020-11-28)

Scientists determine the structure of glass-shaping protein in sponges
Researchers from TU Dresden and the Swiss Light Source at the Paul Scherrer Institute in Switzerland are the first to determine the three dimensional (3D) structure of a protein responsible for glass formation in sponges. They explain how the earliest and, in fact, the only known natural protein-mineral crystal is formed. The results were published in the journal PNAS. (2020-11-25)

A microscope for everyone: Jena researchers develop open-source optical toolbox
Researchers from the Leibniz Institute of Photonic Technology, Jena University and University Hospital have developed an optical toolbox to build microscopes for a few hundred euros that deliver high-resolution images comparable to commercial microscopes that cost up to a thousand times more. The 3D printed open-source modular system can be combined in the way the research question requires -- from the observation of living organisms in the incubator to a toolbox for education. (2020-11-25)

Replication cycle of SARS-CoV-2 in 3D
Researchers have studied SARS-CoV-2 replication in cells and obtained detailed insights into the alterations induced in infected cells. This information is essential to guide the development of urgently needed therapeutic strategies for suppressing viral replication and induced pathology. (2020-11-23)

Perfect imperfection: Electrode defects boost resistive memory efficiency
Resistive switching memory devices offer several advantages over the currently used computer memory technology. Researchers from the MIPT Atomic Layer Deposition Lab have joined forces with colleagues from Korea to study the impact of electrode surface morphology on the properties of a resistive switching memory cell. It turned out that thicker electrodes have greater surface roughness and are associated with markedly better memory cell characteristics (2020-11-23)

Altered 'coat' disguises fatal brain virus from neutralizing antibodies
A genetic modification in the 'coat' of a brain infection-causing virus may allow it to escape antibodies, according to Penn State College of Medicine researchers. They say testing people for this and other viral mutations may help identify patients at risk for developing a fatal brain disease. (2020-11-20)

Gold nanoparticles turn the spotlight on drug candidates in cells
A team including researchers from Osaka University has developed a surface-enhanced Raman scattering (SERS) microscopy technique for tracking small molecules in live cells. The technique uses gold nanoparticles to boost the signal from alkyne group tags attached to the molecules. The alkyne group has a minimal effect on the drug molecule behavior and provides a signal that can be easily distinguished from the cell background. Their technique is expected to be useful in drug discovery. (2020-11-18)

Super-resolution "street view" microscopy hits the SPOT
An advanced technique called SPOT is giving researchers a opportunities to study the sophisticated world of lipid dynamics within cells. (2020-11-18)

Scientists defy nature to make insta-bling at room temperature
An international team of scientists has defied nature to make diamonds in minutes in a laboratory at room temperature - a process that normally requires billions of years, huge amounts of pressure and super-hot temperatures. (2020-11-17)

Ultracompact metalens microscopy breaks FOV constraints
As reported in Advanced Photonics, their metalens-integrated imaging device (MIID) exhibits an ultracompact architecture with a working imaging distance in the hundreds of micrometers. Using a simple image-stitching process, they are able to obtain wide-field microscope imaging with large FOV and high resolution. (2020-11-13)

C4 rice's first wobbly steps towards reality
An international long-term research collaboration aimed at creating high yielding and water use efficient rice varieties, has successfully installed part of the photosynthetic machinery from maize into rice. (2020-11-12)

Illuminating tiny proteins in living cells using single-residue labeling tags
SciLifeLab Fellow Simon Elsässer laboratory at Karolinska Institutet reports a method, which allows fluorescent tagging of proteins with the small perturbation -- a single amino acid -- added genetically on either end of a (micro)protein of interest. The method is termed Single-residue Terminal Labeling, STELLA. (2020-11-12)

Attosecond boost for electron microscopy
A team of physicists from the University of Konstanz and Ludwig-Maximilians-Universität München in Germany have achieved attosecond time resolution in a transmission electron microscope by combining it with a continuous-wave laser -- new insights into light-matter interactions. (2020-11-11)

Improving high-energy lithium-ion batteries with carbon filler
Lithium-ion batteries are the major rechargeable power source for many portable devices as well as electric vehicles, but their use is limited, because they do not provide high power output while simultaneously allowing reversible energy storage. Research reported in Applied Physics Reviews aims to offer a solution by showing how the inclusion of conductive fillers improves battery performance. (2020-11-10)

Scientists snap molecular building blocks of brain computing
A new technique for image processing helps scientists observe building blocks of brain computing--synapses. They deciphered organization of certain proteins, which endows the brain to process information. (2020-11-08)

Higher-resolution imaging of living, moving cells using plasmonic metasurfaces
Researchers at Kyushu University have demonstrated that placing cells on a plasmonic metasurface of self-assembled gold nanoparticle can improve the resolution of images of living cells taken in real-time under a widefield fluorescence microscope. The metasurface effectively confines light emission from parts of the cell near the metasurface to a nano-thickness plane, providing a simple method to improving both axial and lateral resolution. (2020-11-06)

Perspectives of infrared spectroscopy in quantitative estimation of proteins
The present review describes the basic principle and the instrumentation of IR spectroscopy along with its advancements. Beyond this, various applications of this technique in determination of protein structure and quantification in different materials such as foods stuffs, biotechnological products and biological fluids have also been summarized. (2020-11-06)

Revealing the identity of the last unknown protein of autophagy
Japanese scientists discovered that Atg9, one of the proteins that function to mediate autophagy, has phospholipid-translocation activity (the lipid scramblase activity) between the two layers of the lipid bilayer?and elucidated that the protein's activity brings about autophagosome membrane expansion. The artificial control of autophagy is expected to promote the research and development of treating and preventing various diseases. (2020-11-04)

Page 2 of 25 | 1000 Results
   First   Previous   Next      Last   
Brightsurf.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.