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News articles about "Proteins"

Watching molecule movements in live cells

Molecule, molecule, cells, cells
The newly developed STED RICS microscopy method records rapid movements of molecules in live samples By combining raster image correlation spectroscopy RICS with STED fluorescence microscopy researchers of Karlsruhe Institute of Technology KIT opened up ... - Read More

Nano scientists reach holy grail in label-free cancer marker detection: Single molecules

molecules, cancer, Nano
Just months after setting a record for detecting the smallest single virus in solution researchers at the Polytechnic Institute of New York University NYU Poly have announced a new breakthrough They used a nano enhanced ... - Read More

A new method for clicking molecules together

Thiols are sulfur containing molecules found in most proteins of the human body Characterized by their 'garlicky' smell they also give coffee sweat and the spray of skunks their unique odor Because they are so ... - Read More

Controlling genes with light: New technique can rapidly turn genes on and off, helping scientists better understand their function

Genes, Genes
New technique can rapidly turn genes on and off helping scientists better understand their function Although human cells have an estimated 20 000 genes only a fraction of those are turned on at any given ... - Read More

Purple sunlight eaters: Microorganisms found in salt flats could offer new path to green hydrogen fuel

Salt, Fuel, Green, Microorganisms
A protein found in the membranes of ancient microorganisms that live in desert salt flats could offer a new way of using sunlight to generate environmentally friendly hydrogen fuel according to a new study by ... - Read More

Computing toxic chemicals

A new computational method for working out in advance whether a chemical will be toxic will be reporting in a forthcoming issue of the International Journal of Data Mining and Bioinformatics There is increasing pressure ... - Read More

A heart of gold: Gold nanofibers in engineered heart tissue can enhance electrical signalling

cells, cells
Heart tissue sustains irreparable damage in the wake of a heart attack Because cells in the heart cannot multiply and the cardiac muscle contains few stem cells the tissue is unable to repair itself it ... - Read More

Artificial organelles transform free radicals into water and oxygen

Researchers at the University of Basel have successfully developed artificial organelles that are able to support the reduction of toxic oxygen compounds This opens up new ways in the development of novel drugs that can ... - Read More

Nanoparticles with protein 'passports' evade immune system, deliver more medication to tumors

System, Immune system, medication, tumors
Scientists have found a way to sneak nanoparticles carrying tumor fighting drugs past cells of the immune system which would normally engulf the particles preventing them from reaching their target The technique takes advantage of ... - Read More

Great exaptations: Most traits emerge for no crucial reason, scientists find

Carbon, carbon
Exactly how new traits emerge is a question that has long puzzled evolutionary biologists While some adaptations develop to address a specific need others called exaptations develop as a by product of another feature with ... - Read More

Biochemists uphold law of physics

Biochemists
Experiments by biochemists at the University of California Davis show for the first time that a law of physics the ergodic theorem can be demonstrated by a collection of individual protein molecules specifically a protein ... - Read More

Artificial cells to study molecular crowding and gene expression created

The interior of a living cell is a crowded place with proteins and other macromolecules packed tightly together A team of scientists at Carnegie Mellon University has approximated this molecular crowding in an artificial cellular ... - Read More

Cell membranes: Synthetics save time and cut costs

Screening for critical drug targets known as G protein coupled receptors GPCRs is now possible without the need to extract these proteins from their native cells Extraction requires the use of stabilizing lipids which damage ... - Read More

A potentially life-saving protein takes shape

A tiny protein called ubiquitin so named because it is present in every cell of living things as dissimilar as hollyhocks and humans may hold the key to treatment for a variety of diseases from ... - Read More

Protocells may have formed in a salty soup

cell, cell
The first cell may have originated in a salty soup in which large biomolecules cluster spontaneously to form a protocell chemists at Radboud University Nijmegen discovered The research is published in the Proceedings of the ... - Read More

Polymer coatings a key step toward oral delivery of protein-based drugs

Oral, Polymer
For protein based drugs such as insulin to be taken orally rather than injected bioengineers need to find a way to shuttle them safely through the stomach to the small intestine where they can be ... - Read More

Study Finds Biochemical Role of Crucial TonB Protein in Bacterial Iron Transport and Pathogenesis

Released 7 1 2013 9 00 AM EDTSource Newsroom Kansas State University more news from this source Jul 1 2013 MANHATTAN Kan A Kansas State University led study has discovered the role of a protein ... - Read More

Scientists view 'protein origami' to help understand, prevent certain diseases

Scientists using sophisticated imaging techniques have observed a molecular protein folding process that may help medical researchers understand and treat diseases such as Alzheimer's Lou Gehrig's and cancer The study reported this month in the ... - Read More

Better antibiotics: Atomic-scale structure of ribosome with molecule that controls its motion

Atomic, Ribosome
This may look like a tangle of squiggly lines but you're actually looking at a molecular machine called a ribosome Its job is to translate DNA sequences into proteins the workhorse compounds that sustain you ... - Read More

Biochemists Identify Protease Substrates Important to Bacterial Growth

Released 6 26 2013 12 00 PM EDTSource Newsroom University of Massachusetts Amherst more news from this source Jun 26 2013 AMHERST Mass – Reporting this month in Molecular Microbiology Peter Chien and colleagues at ... - Read More
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