News tagged with membrane surface

Tracing water channels in cell surface receptors

G protein-coupled receptors (GPCRs) are the largest class of cell surface receptors in our cells, involved in signal transmission across the cell membrane. One of the biggest questions is how a signal recognized at the extracellular ...

Sep 09, 2014
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New system to improve DNA sequencing

(Phys.org) —A sensing system developed at Cambridge is being commercialised in the UK for use in rapid, low-cost DNA sequencing, which would make the prediction and diagnosis of disease more efficient, ...

Apr 03, 2013
4.9 / 5 (8) 0 | with audio podcast

Cells eat themselves into shape

The process cells use to 'swallow' up nutrients, hormones and other signals from their environment – called endocytosis – can play a crucial role in shaping the cells themselves, scientists at the European ...

Aug 09, 2013
5 / 5 (9) 1 | with audio podcast

How did early primordial cells evolve?

Four billion years ago, soon after the planet cooled enough for life to begin, primordial cells may have replicated and divided without protein machinery or cell walls, relying instead on just a flimsy lipid membrane. New ...

Feb 28, 2013
4.5 / 5 (2) 0 | with audio podcast

A new look at proteins in living cells

(Phys.org)—Proteins adorning the surfaces of human cells perform an array of essential functions, including cell signaling, communication and the transport of vital substances into and out of cells. They ...

Aug 28, 2012
5 / 5 (1) 0 | with audio podcast