A typical human cell is metabolically active, roaring with chemical reactions that convert nutrients into energy and useful products that sustain life. These reactions also create reactive oxygen species, dangerous by-products ...
Cell & Microbiology
Jun 1, 2023
0
1263
(Phys.org)—Two unique chemical probes designed at Pacific Northwest National Laboratory are helping scientists find how a pathogenic organism responsible for a severe lung infection thrives in human serum. These probes ...
Biochemistry
Jan 4, 2013
0
0
Cambridge researchers have developed a new technique for measuring and mapping gene and cell activity through fluorescence in living plant tissue.
Cell & Microbiology
Apr 5, 2012
0
0
(PhysOrg.com) -- Making its home near extreme temperatures of thermal vents on the ocean floor, the organism Methanopyrus kandleri harbors a molecular secret that intrigues evolutionary biologists and even HIV researchers.
Biochemistry
Apr 30, 2009
3
0
Our planet was revolving on its axis, turning night into day every 24 hours, for 4.5 billion years - long before any form of life existed here. About a billion years later, the very first simple bacterial cells came into ...
Cell & Microbiology
Oct 2, 2012
4
0
MIT researchers have discovered a way to make bacteria more vulnerable to a class of antibiotics known as quinolones, which include ciprofloxacin and are often used to treat infections such as Escherichia coli and Staphylococcus ...
Cell & Microbiology
Dec 8, 2017
0
246
Sexually naïve male mice respond differently to the chemical signals emitted by newborn pups than males that have mated and lived with pregnant females, according to a study published March 20 in The Journal of Neuroscience. ...
Plants & Animals
Mar 19, 2013
0
0
A new technique that will allow scientists to determine the effects of turning on and off a set of molecules involved in almost every cellular pathway, determine their downstream effects, and uncover new drug targets has ...
Biochemistry
Dec 13, 2016
0
395
Nanometers are one billionth of a meter, a metric typically used to measure molecules and scientific building blocks not visible to the human eye. Materials of tens and/or several hundred nanometers in diameter have unique ...
Bio & Medicine
Aug 16, 2019
0
141
Engineers at the University of California San Diego have developed a powerful new tool that monitors the electrical activity inside heart cells, using tiny "pop-up" sensors that poke into cells without damaging them. The ...
Bio & Medicine
Dec 23, 2021
0
306
