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Viral infection a matter of simple physics

Probably relevant to other cellular transport as well

07-May-2018

The manner in which some viruses inject their DNA into bacteria or other types of cells, appears to be much simpler than scientists had previously thought. Rather than using molecular engines or complicated mechanisms, viruses let simple physics do the work for them. This is a recent finding by ...

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Quantum dots illuminate transport within the cell

23-Mar-2017

The quantum dots used by the researchers are particles of semi-conducting material just a few nanometres wide, and are the subject of great interest because of their potential for use in photovoltaic cells or computers. "The great thing about these particles is that they absorb light and emit it ...

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Research pushes concept of entropy out of kilter

03-Feb-2017

Entropy, the measure of disorder in a physical system, is something that physicists understand well when systems are at equilibrium, meaning there's no external force throwing things out of kilter. But new research by Brown University physicists takes the idea of entropy out of its equilibrium ...

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Pushing and shoving – a cost factor in protein synthesis

04-Oct-2013

When cells grow and proliferate, they need to produce large amounts of protein. All this protein is made by ribosomes, therefore rapid growth requires many ribosomes. Because ribosomes are expensive machines for the cell, the cell needs to use them efficiently. In a new study, published in PNAS, ...

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Concussion patients show Alzheimer's-like brain abnormalities

20-Jun-2013

The distribution of white matter brain abnormalities in some patients after mild traumatic brain injury (MTBI) closely resembles that found in early Alzheimer's dementia, according to a new study published online in the journal Radiology. "Findings of MTBI bear a striking resemblance to those ...

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DBV Technologies Granted US Patents for Allergen Delivery System VIASKIN

27-Sep-2010

DBV Technologies (DBV) announced that its unique VIASKIN® delivery system has been granted two US patents. In both cases, the lifetime of the patent has been extended until 2026. Aspects of both patents (US 7,635,488 and US 7,722,897) are incorporated into DBV Technologies’ VIASKIN which delivers ...

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Noninvasive and accurate

A new method that allows absolute temperature mapping with a previously unmatched accuracy shows promise for biomedical applications

22-Sep-2010

Researchers in Germany and the US have developed a new approach to magnetic resonance imaging (MRI) thermometry using encaged hyperpolarized xenon as a temperature sensor. The method allows absolute temperature mapping with an unprecedented accuracy of 0.1˚C at low and ultralow sensor ...

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Nanocouriers transport molecular cargo

20-Aug-2010

A train-like system that transports molecular cargo between specific pick-up and delivery zones on a chip has been created by Swiss scientists. The technology could lead to nanoscale assembly lines, or improved self-healing materials, they say. The team already had a working system where a ...

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Unraveling the Effect of Spatial Organization on Intracellular Chemistry

26-Apr-2010

Tel Aviv University President Professor, Joseph Klafter, has co-authored a paper that brings together a myriad of seemingly unrelated chemical reactions creating a unified picture of reaction kinetics. "Geometry-Controlled Kinetics," published in Nature Chemistry, contributes to our understanding ...

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'Microfluidic palette' may paint clearer picture of biological processes

03-Aug-2009

The masterpieces that spring from the talents of Rembrandt, Van Gogh and other artists often begin with the creation of a gradient of colors on a palette. In a similar manner, researchers at the National Institute of Standards and Technology (NIST) have created an innovative device called the ...

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