American researchers have developed a probe for marking biomolecules that begins to fluoresce only when it is "switched on" by binding. As reported in the journal Angewandte Chemie, the reaction takes place very quickly and ...
Biochemistry
Jun 7, 2013
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Scientists have long known that control mechanisms known collectively as "epigenetics" play a critical role in human development, but they did not know precisely how alterations in this extra layer of biochemical instructions ...
Cell & Microbiology
May 9, 2013
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Bleach and antifreeze are natural chemicals that help one creature survive the Arctic winter by triggering cryogenic preservation, say scientists.
Plants & Animals
Feb 21, 2013
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When you get a cut, blood starts to flow from the wound. But very quickly, complex biochemical processes spring into action, creating a scaffolding of molecules to block the hole, and then building up an impervious clot to ...
Materials Science
Jan 9, 2013
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(Phys.org)—An EPFL team has developed a technique for spying on the inner lives of cells. For the first time, scientists have used a near-infrared, light-sensitive biocompatible molecule to mark and observe the activity ...
Biochemistry
Jan 7, 2013
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(Phys.org)—The sorcerer's apprentice started a water-carrying system, but couldn't stop it, and soon he was up to his neck in water, and trouble. Living cells have a better design: When they activate a gene, they have a ...
Cell & Microbiology
Sep 6, 2012
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Scientists may soon be able to make pest insects buzz off for good or even turn them into models for new technologies, all thanks to a tiny finding with enormous potential.
Biochemistry
Sep 21, 2011
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(PhysOrg.com) -- The molecular machinery bacteria use to rid themselves of toxic substances including antimicrobial drugs has been studied in detail by a UA-led team of researchers. A better understanding of these mechanisms ...
Cell & Microbiology
May 10, 2011
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In the early 1990s, scientists who were studying the development of a roundworm identified a small RNA molecule that regulated the expression of specific genes. This marked the discovery of microRNAs (miRNAs), which are now ...
Cell & Microbiology
Apr 24, 2023
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Despite being only a few atoms thick, MXene packs a powerful punch. This class of single layer, two-dimensional (2D) nanomaterials exhibits desirable properties like excellent thermal and electrical conductivity, heat resistance ...
Nanomaterials
Jul 13, 2022
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