搜索结果: 1-15 共查到“国际动态 理学 biological”相关记录16条 . 查询时间(0.213 秒)
Researchers uncover importance of aligning biological clocks with day-night cycles（图）
Researchers importance aligning biological clocks day-night cycles
2020/4/17
Timing is everything. A fresh example supporting the old saying has been found in systems regulated by biological clocks. Research on circadian rhythms, internal 24-hour patterns that affect sleep-wak...
Can Environmental Toxins Disrupt the Biological “Clock”?（图）
Environmental Toxins Disrupt the Biological Clock
2017/11/23
Can environmental toxins disrupt circadian rhythms – the biological “clock” whose disturbance is linked to chronic inflammation and a host of human disorders? Research showing a link between circadian...
Mimicking Biological Process,Hydrogel Signals And Releases Proteins（图）
Mimicking Biological Process Hydrogel Signals Releases Proteins
2017/11/23
An artificial system using a DNA-laced hydrogel can receive a chemical signal and release the appropriate protein, according to Penn State researchers. Further stimulation by the chemical signal conti...
Cryo-EM images reveal how key biological machine unfolds problem proteins
Cryo-EM images biological machine proteins
2017/7/21
Hand over hand. That's how new, near-atomic resolution, 3-D snapshots show that a key biological machine unfolds a ribbon of protein through its central channel.The machine is a protein complex called...
Flexibility is key in mechanism of biological self-assembly
Flexibility key in mechanism biological self-assembly
2017/3/30
A new study has modeled a crucial first step in the self-assembly of cellular structures such as drug receptors and other protein complexes, and found that the flexibility of the structures has a dram...
A traffic cop for the cell surface:Illuminating a basic biological process
A traffic cop cell surface basic biological process
2017/3/14
On the surfaces of our trillions of cells is a complex crowd of molecules moving around, talking to each other, occasionally segregating themselves, and triggering basic functions ranging from pain se...
New genetic engineering technique could help design,study biological systems
New genetic engineering technique design study biological systems
2017/2/16
A new technique will help biologists tinker with genes, whether the goal is to turn cells into tiny factories churning out medicines, modify crops to grow with limited water or study the effects of a ...
NSF awards $15.9 million to foster new understanding of biological systems on regional to continental scales
NSF $15.9 million biological systems regional continental
2016/9/29
Have you looked closely at a stream, lake or woodland and observed changes in it over time? That's exactly what scientists are trying to do on a larger, regional-to-continental scale -- a macrosystems...
Biological invasions threaten biodiversity,economy and human livelihood in developing countries
Biological invasions biodiversity economy human livelihood developing countries
2016/9/12
The damage caused by non-native species like the Harlequin ladybird and mink, threaten global biodiversity and cost global economies US$1.4 trillion annually. They can transmit disease, choke river sy...
National Science Foundation selects George Mason University Professor James L. Olds to head Biological Sciences Directorate（图）
James L. Olds Sciences Directoratep
2014/9/12
The National Science Foundation (NSF) has selected George Mason University's James L. Olds to serve as assistant director for the Directorate for Biological Sciences (BIO). BIO's mission is to enable ...
Biologists Discover How Biological Clock Controls Cell Division in Bacteria（图）
Biologists Biological Clock Cell Division Bacteria
2010/3/4
A team of biologists has unraveled the biochemistry of how bacteria so precisely time cell division, a key element in understanding how all organisms from bacteria to humans use their biological clock...
Biological warfare in bacteria offers hope for new antibiotics
biological warfare bacteria offers new antibiotics
2009/7/6
Scientists are to study a group of proteins that are highly effective at killing bacteria and which could hold the key to developing new types of antibiotics.Researchers from the Universities of York ...
Scientists Make First Direct Observations of Biological Particles in High-Altitude Clouds（图）
Scientists Direct Observations Biological Particles High-Altitude Clouds
2009/5/20
A team of atmospheric chemists has moved closer to what's considered the "holy grail" of climate change science: the first-ever direct detections of biological particles within ice clouds.The team, le...
10 May 2007，Professor Morag Prowse, Dean of the Faculty of Health, Life & Social Sciences, is a NHS clinician specialising in pain management who will use her lecture to examine the biological basis o...
Researchers study decontamination of chemical, biological warfare agents
chemical biological warfare
2007/4/13
BLACKSBURG, Va., April 11, 2007 -- The U.S. Army Research Office has awarded Virginia Tech a $680,000 grant over two years to build an instrument that can be used to study the chemistry of gases that ...