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News articles about "Biochemistry"

Microfluidic breakthrough in biotechnology

Bacteria, bacteria
Chemical flasks and inconvenient chemostats for cultivation of bacteria are likely soon to be discarded Researchers have constructed a microfluidic system allowing for merging transporting and splitting of microdroplets With this method hundreds of different ... - Read More

Using gold and light to study molecules in water

molecules
Thanks to a new device that is the size of a human hair it is now possible to detect molecules in a liquid solution and observe their interactions This is of major interest for the ... - Read More

Universal law for light absorption in 2-D semiconductors

Light, Semiconductors, Semiconductors, Light
From solar cells to optoelectronic sensors to lasers and imaging devices many of today's semiconductor technologies hinge upon the absorption of light Absorption is especially critical for nano sized structures at the interface between two ... - Read More

Water molecules control inactivation and recovery of potassium channels

potassium, molecules
Just 12 molecules of water cause the long post activation recovery period required by potassium ion channels before they can function again Using molecular simulations that modeled a potassium channel and its immediate cellular environment ... - Read More

Potential well water contaminants highest near natural gas drilling

Contaminants, Natural gas, Gas
A new study of 100 private water wells in and near the Barnett Shale showed elevated levels of potential contaminants such as arsenic and selenium closest to natural gas extraction sites according to a team ... - Read More

Novel nanometer scaffolds regulate the biological behaviors of neural stem cells

biological, Nanometer
The surface characteristics of nanoscaffolds made by nanotechnology are more similar to the three dimensional topological structure of the extracellular matrix and the effects on the biological behaviors of cells and tissue repair are more ... - Read More

Polymer ribbons for better healing

Polymer
Freiburg researchers develop hydrogels for tissue regeneration that can be fine tuned to fit any body part A new kind of gel that promotes the proper organization of human cells was developed by Prof Prasad ... - Read More

New way to create 'gradients' for understanding molecular interactions

Molecular, molecular
Scientists use tools called gradients to understand how molecules interact in biological systems Researchers from North Carolina State University have developed a new technique for creating biomolecular gradients that is both simpler than existing techniques ... - Read More

Researchers put squeeze on cells to deliver

cells, cells
Imagine being able to redirect powerful immune cells to fight cancer How about reprogramming a diabetic's skin cell into a cell that could manufacture the insulin their pancreas no longer produces Could we dial down ... - Read More

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

Desktop printing at the nano level

A new low cost high resolution tool is primed to revolutionize how nanotechnology is produced from the desktop according to a new study by Northwestern University researchers Currently most nanofabrication is done in multibillion dollar ... - 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

Facebook for molecules

Social media has expanded to reach an unlikely new target molecules Scientists at the National Institute of Standards and Technology NIST have created networks of molecular data similar to Facebook's recently debuted graph search feature ... - Read More

Using bacteria batteries to make electricity

Their idea is state of the art Ten Bielefeld students have set their sights on constructing a bio battery They want to make use of the bacteria Escherichia coli to convert glucose into energy With ... - Read More

Injectable 'smart sponge' holds promise for controlled drug delivery

Drug delivery
Researchers have developed a drug delivery technique for diabetes treatment in which a sponge like material surrounds an insulin core The sponge expands and contracts in response to blood sugar levels to release insulin as ... - 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
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