Before there was life on Earth there were molecules A primordial soup At some point a few specialized molecules began replicating This self replication scientists agree kick started a biochemical process that would lead to ... - Read More
enzymes that actually assemble the RNA molecule Finding an Urzyme that serves that purpose would help answer that question The study’s co authors include Li Li of UNC and Christopher Francklyn of the University of ... - Read More
The newest catalytic converters in diesel engines blast away a pollutant from combustion with the help of ammonia Common in European cars the engines exhaust harmless nitrogen and water How they do this hasn't been ... - Read More
that’s why we focused on the microbes in the giant panda ” Working with scientists at the University of Wisconsin Madison Brown’s team identified bacteria that break down lignocellulose into simple sugars which can be ... - Read More
A team of researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University has found a way to self assemble complex structures out of bricks smaller than a grain of salt The self ... - Read More
exhibited potent antioxidant activities Degradation of chlorogenic acid quinic acid and caffeic acid upon heat treatment produced additional antioxidants in roasted coffees The results suggest that continuous ingestion of antioxidants by habitual coffee drinkers has ... - Read More
When Francis Crick and James Watson discovered the double helical structure of deoxyribonucleic acid DNA in 1953 their findings began a genetic revolution to map study and sequence the building blocks of living organisms DNA ... - Read More
heritable alterations in gene expression caused by mechanisms other than changes in DNA sequence One such example Thomas said are modifications of specialized proteins called histones which are responsible for packaging DNA in the cell ... - Read More
Researchers at the Ruhr Universität Bochum RUB have discovered an efficient process for hydrogen biocatalysis They developed semi synthetic hydrogenases hydrogen generating enzymes by adding the protein's biological precursor to a chemically synthesized inactive iron ... - Read More
How did life on Earth get started Three new papers co authored by Mike Russell a research scientist at NASA's Jet Propulsion Laboratory Pasadena Calif strengthen the case that Earth's first life began at alkaline ... - Read More
Released 7 25 2013 1 00 PM EDTEmbargo expired 7 28 2013 1 00 PM EDTSource Newsroom University of Washington more news from this source Jul 30 2013 The slightest variation in a sequence of ... - Read More
Researchers at McGill University have discovered a new way to join materials together using ultrasound Ultrasound sound so high it cannot be heard is normally used to smash particles apart in water In a recent ... - Read More
Protons as positively charged hydrogen ions move very rapidly in water from one water molecule to the next which is why the conductivity of water is relatively high The principle of proton conduction in water ... - Read More
Thiols are sulfur containing molecules found in most proteins of the human body Characterized by their 'garlicky' smell they also give coffee sweat and the spray of skunks their unique odor Because they are so ... - Read More
Forthcoming research in the journal Environmental Toxicology and Chemistry analyzes the physiological effects of three separate pesticides on honey bees Apis mellifera An international research team Drs Stephan Caravalho Luc Belzunces and colleagues from Universidade ... - Read More
A new computational method for working out in advance whether a chemical will be toxic will be reporting in a forthcoming issue of the International Journal of Data Mining and Bioinformatics There is increasing pressure ... - Read More
The ubiquity of the endocrine disrupting chemical bisphenol A led researchers to ask what it might be doing in publicly supplied chlorinated drinking water The answer Chlorinated BPA has different but no less profound effects ... - Read More
Researchers have developed a drug delivery technique for diabetes treatment in which a sponge like material surrounds an insulin core The sponge expands and contracts in response to blood sugar levels to release insulin as ... - Read More
Researchers at the University of Basel have successfully developed artificial organelles that are able to support the reduction of toxic oxygen compounds This opens up new ways in the development of novel drugs that can ... - Read More
Experiments by biochemists at the University of California Davis show for the first time that a law of physics the ergodic theorem can be demonstrated by a collection of individual protein molecules specifically a protein ... - Read More
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