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bacteria inside a biofilm
How Bacterial Communities Divvy up Duties
Holly Barker, PhD | Jun 1, 2023 | 10+ min read
Biofilms are home to millions of microbes, but disrupting their interactions could produce more effective antibiotics.
Immunoassay Techniques Proven To Be Outstanding In Several Fields
Holly Ahern | Oct 1, 1995 | 10 min read
SIDEBAR: Selected Suppliers of Immunoassays and Assay Systems Immunoassays combine principles of immunology and chemistry into tests that are used by scientists in practically every discipline, including fields as diverse as molecular biology and environmental science. In research applications, immunoassays such as immunoblotting (detecting membrane-bound proteins), immunohistochemistry (cell or tissue staining), and enzyme immunoassays provide a sensitive and specific means of detecting targe
Unraveling Cellular Biochemistry, One Cell at a Time
Bennett Daviss(bdaviss@the-scientist.com) | Feb 27, 2005 | 8 min read
For decades biochemists have been teasing apart the metabolic circuits that power eukaryotic cells.
Asthma, Genetics, and the Environment
Karen Young Kreeger | Apr 6, 2003 | 8 min read
Courtesy of Eric Erbe and Chris Pooley, ARS Image Gallery  SPRING CLEANING TARGETS: Tyrophagus putrescentiae, better known as dust mites, are microscopic, sightless, eight-legged arthropods that are natural inhabitants of indoor environments. Their droppings are the most common trigger of perennial allergy and asthma symptoms. Asthma is a classic example of gene-environment interaction. A host of environmental triggers, from cigarette smoke to cockroaches, can set it off. A dozen or so g
Updated Sept 1
coronavirus pandemic news articles covid-19 sars-cov-2 virology research science
Follow the Coronavirus Outbreak
The Scientist | Feb 20, 2020 | 10+ min read
Saliva tests screen staff and students at University of Illinois; Study ranks species most susceptible to SARS-CoV-2 infection; COVID-19 clinical trials test drugs that inhibit kinin system
How to Create a Successful Fish Tale?
A. J. S. Rayl | Aug 19, 2001 | 10+ min read
More than 80 percent of the planet's living organisms exist only in aquatic ecosystems. Some may harbor secrets to human origins, and clues, treatments--perhaps even cures--for human disease. Some are critical bioindicators that portend the health of the biosphere. Yet, overall, scientists know little about the biochemical processes of these life forms. The vast, rich knowledge within the oceans and freshwater systems on Earth remains virtually untapped, because in the world of biological resear
Weathering Hantavirus: Ecological Monitoring Provides Predictive Model
Steve Bunk | Jul 4, 1999 | 7 min read
Photo: Steve Bunk Dave Tinnin, field research associate in the University of New Mexico's biology department, takes blood samples and measurements of rodents caught on the research station grounds. At the end of a freeway exit near Soccoro, N.M., the hairpin turn onto a gravel road is marked by a sign that warns, "Wrong Way." But it isn't the wrong way if you want to reach the University of New Mexico's (UNM) long-term ecological research (LTER) station. The sign's subterfuge is the first indi
A Weighty Matter: Neuropeptides Involved In Appetite And Energy Homeostasis
Deborah Wilkinson | Sep 12, 1999 | 10+ min read
Date: September 13, 1999Table of Neurochemical Manufacturers The hypothalamus has long been known as a control center for feeding and weight control behaviors. Complex regulatory feedback loops enable this portion of the brain to determine satiety and metabolic activity. Not surprisingly, the control mechanisms are complex and involve different biochemical pathways.1,2,3 Image courtesy of Jeffrey M. Friedman An ob/ob mouse stacking up against its lean counterparts A series of pioneering expe
Mircens Help Bring First-Rate Science To The Third World
Robin Eisner | Sep 1, 1991 | 9 min read
Microbiologist J.K. Arap Keter is betting that some recently collected strains of the bacterial genus Rhizobium will soon join the family of other nonpolluting, inexpensive, microbial biofertilizers currently in use by thousands of East African farmers on legume crops. But first he and colleagues in the department of soil science at the University of Nairobi in Kenya must show that the new isolates can foster different plants' growth by helping the plants use nitrogen. After that, they must cu

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