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News articles about "Membrane"

Pea-shooter for molecules: Molecules pass through nanotubes at size-dependent speeds

molecules
Like a pea going through a straw tiny molecules can pass through microscopic cylinders known as nanotubes This could potentially be used to select molecules according to size for example to purify water by allowing ... - Read More

Sewage Treatment Removes Widely Used Home and Garden Insecticides From Wastewater

was part of the 246th National Meeting & amp Exposition of the American Chemical Society ACS the world’s largest scientific society “We found that advanced sewage treatment reduced the levels of pyrethroids by more than ... - Read More

Bismuth-carrying nanotubes show promise for CT scans

cells, cells
Scientists at Rice University have trapped bismuth in a nanotube cage to tag stem cells for X ray tracking Bismuth is probably best known as the active element in a popular stomach settling elixir and ... - Read More

New rechargeable flow battery could enable cheaper, more efficient energy storage

Battery
MIT researchers have engineered a new rechargeable flow battery that doesn't rely on expensive membranes to generate and store electricity The device they say may one day enable cheaper large scale energy storage The palm ... - Read More

Drug delivery: Why gold nanoparticles can penetrate cell walls

Cells are very good at protecting their precious contents and as a result it's very difficult to penetrate their membrane walls to deliver drugs nutrients or biosensors without damaging or destroying the cell One effective ... - Read More

Synthetic polymers enable cheap, efficient, durable alkaline fuel cells

Synthetic polymers, Fuel, Fuel cells
A new cost effective polymer membrane can decrease the cost of alkaline batteries and fuel cells by allowing the replacement of expensive platinum catalysts without sacrificing important aspects of performance according to Penn State researchers ... - Read More

Atomic insights into plant growth: How plant steroid hormone makes plants grow

Plant, plant
If one wants to better understand how plants grow one must analyse the chemistry of life in its molecular detail Michael Hothorn from the Friedrich Miescher Laboratory of the Max Planck Society in Tübingen and ... - Read More

Cracking how life arose on Earth may help clarify where else it might exist

Does life exist elsewhere or is our planet unique making us truly alone in the universe Much of the work carried out by NASA together with other research institutions is aimed at trying to come ... - Read More

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

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

Removing pollutants and contaminants from wastewater

Pollutants, Contaminants
The Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB and its European partners have developed several effective processes for eliminating persistent pollutants from wastewater Some of these processes generate reactive species which can be used ... - 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

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

BPA and chlorine means bad news: Modified forms of bisphenol A found to alter hormone signaling in new, disturbing ways

Hormone, bisphenol A, BPA
The ubiquity of the endocrine disrupting chemical bisphenol A led researchers to ask what it might be doing in publicly supplied chlorinated drinking water The answer Chlorinated BPA has different but no less profound effects ... - 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

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

Nanomaterial to help reduce carbon dioxide emissions

University of Adelaide researchers have developed a new nanomaterial that could help reduce carbon dioxide emissions from coal fired power stations The new nanomaterial described in the Journal of the American Chemical Society efficiently separates ... - Read More

Jagged graphene edges can slice into cell membranes

Membranes
Researchers from Brown University have shown how tiny graphene microsheets ultra thin materials with a number of commercial applications could be big trouble for human cells The research shows that sharp corners and jagged protrusions ... - 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
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