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News articles about "Membrane"

On the Trail of Proteins: Scientists electrochemically detect protein binding on semiconductors

Scientists from Heidelberg University in collaboration with researchers from the University of Gießen have succeeded in electrochemically detecting protein binding on semiconductor materials for the first time thanks to a newly developed investigative method based ... - Read More

X-ray vision of photosynthesis: New technique facilitates analysis of biomolecules in a near-natural state

Photosynthesis is one of the most important processes in nature The complex method by which all green plants harvest sunlight and thereby produce the oxygen in our air is still not fully understood Researchers have ... - Read More

'Swiss cheese' membrane with adjustable holes

The pore size of the smart membranes can be adjusted from the outside this is very attractive in applications like biosensors or chemical analysis The 'Swiss cheese' structure is characteristic of many polymer membranes and ... - Read More

Nanotubes could serve as 'universal scaffolding' for cell membrane channels

A study in which the Membrane Nanomechanics group led by the Ikerbasque lecturer Dr Vadim Frolov at the Biophysics Unit of the UPV EHU University of the Basque Country has participated suggests that single wall ... - Read More

Tiny carbon nanotube pores make big impact

A team led by the Lawrence Livermore scientists has created a new kind of ion channel consisting of short carbon nanotubes which can be inserted into synthetic bilayers and live cell membranes to form tiny ... - Read More

Ion adsorption matter in biology

Date October 30 2014 Source Springer Summary Biological membranes are mainly composed of lipid bilayers Gaining a better understanding of adsorption of solution ions onto lipid membranes helps clarify functional processes in biological cells A ... - Read More

Biology meets geometry: Geometry of a common cellular structure explored

Architecture imitates life at least when it comes to those spiral ramps in multistory parking garages Stacked and connecting parallel levels the ramps are replications of helical structures found in a ubiquitous membrane structure in ... - Read More

Structure of an iron-transport protein revealed

Iron is the most abundant trace element in humans As a cofactor of certain proteins it plays an essential role in oxygen transport and metabolism Due to the major importance of iron in a wide ... - Read More

New 'lab-on-a-chip' could revolutionize early diagnosis of cancer

Scientists have been laboring to detect cancer and a host of other diseases in people using promising new biomarkers called exosomes Indeed Popular Science magazine named exosome based cancer diagnostics one of the 20 breakthroughs ... - Read More

Smallest world record has ‘endless possibilities’ for bio-nanotechnology

Scientists from the University of Leeds have taken a crucial step forward in bio nanotechnology a field that uses biology to develop new tools for science technology and medicine The new study published in print ... - Read More

Skin pigment renders sun's UV radiation harmless using projectiles

Researchers at Lund University in Sweden and other institutions have worked out how the pigment of the skin manages to protect the body from the sun's dangerous UV rays The skin pigment converts the UV ... - Read More

Boosting biofuel: Yeast made to tolerate high levels of ethanol, making them more productive

Yeast are commonly used to transform corn and other plant materials into biofuels such as ethanol However large concentrations of ethanol can be toxic to yeast which has limited the production capacity of many yeast ... - Read More

Researchers Study Vital 'On/Off Switches' That Control When Bacteria Turn Deadly

No matter how many times it’s demonstrated it’s still hard to envision bacteria as social communicating creatures But by using a signaling system called “quorum sensing ” these single celled organisms radically alter their behavior ... - Read More

X-rays unlock a protein's SWEET side

Sugar is a vital source of energy for both plants and animals alike Understanding just how sugar makes its way into the cell could lead to the design of better drugs for diabetes patients and ... - Read More

Microfluidics: Lab on a breathing chip

Human nasal epithelial cells cultured on a microchip react to air pollutants just like they would in the upper airway The upper respiratory tract is the first line of defense against air pollutants including allergens ... - Read More

Researchers watch lipid molecules in motion

Researchers from Göttingen in collaboration with colleagues from Augsburg have 'filmed' the movement of lipid molecules using an X ray stroboscope at DESY In the scientific journal Physical Review Letters researchers lead by Professor Tim ... - Read More

Artificial membranes on silicon

Artificial membranes mimicking those found in living organisms have many potential applications ranging from detecting bacterial contaminants in food to toxic pollution in the environment to dangerous diseases in people Now a group of scientists ... - Read More

New knowledge of cannabis paves way for drug development

About 40% of all medicines used today work through the so called G protein coupled receptors These receptors react to changes in the cell environment for example to increased amounts of chemicals like cannabis adrenaline ... - Read More

To clean air and beyond: Catching greenhouse gases with advanced membranes

Researchers in Japan have engineered a membrane with advanced features capable of removing harmful greenhouse gases from the atmosphere Their findings published in the British journal Nature Communications may one day contribute to lower greenhouse ... - Read More

Artificial cells take their first steps: Movable cytoskeleton membrane fabricated for first time

Using only a few ingredients the biophysicist Prof Andreas Bausch and his team at the Technische Universität München TUM have successfully implemented a minimalistic model of the cell that can change its shape and move ... - Read More
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