Tag: "fuel" at biology news
Yellowstone microbes fueled by hydrogen, according to U. of Colorado study
...firmed that hydrogenmetabolism was the most likely fuel
source in these environments."This work presents some interesting associated questions," said JohnSpear, lead author of the report. "Hydrogen is the most abundantelement in the universe. If there is life elsewhere, it could be thathydrogen is its fue...
Scientists collaborate to assess health of global environment
... meet demand for food, fiber, timber, fresh water, fuel
and other resources has begun to jeopardize more s...roundwater usage in Chile's Atacama Desert or wood fuel
harvesting in Zambia. Overall, the diminishing capacity of services to meet human demands reflects ...
Critical role in programmed cell death identified
...the organelles responsible for producing energy to fuel
cell processes, also appear to release molecules that set the cell death program in motion. While their activity in mammalian cell death was known, mitochondrial involvement in worms had not previously been shown. The new work, led by Dr. Barbara Co...
Expression Project for Oncology (expO) completes first phase of standardized gene expression analyses
...ession clinical database of patient specimens will fuel
and accelerate clinically meaningful and scientifically valid research into better prognostic tests, new diagnostics, targeted therapies, predictive therapeutic strategies and potentially preventative modalities for patients" said IGC’s founder, Dani...
No relief for Pacific Northwest drought
... said, involving such things as vegetation growth, fuel
loads, soil moisture, climatic trends and other factors. "Last year was a pretty severe drought over quite a bit of the nation, but for various reasons our model didn't really suggest a bad fire year for 2004, and in fact it was a pretty mild year,"...
A human parasite with a streamlined mitochondrion
...ly transport ADP and ATP, suggesting that it could fuel
energy-requiring reactions within the mitosome but might not perform other functions. The work suggests that the Entamoeba mitosome may represent the simplest mitochondrion yet described, and thus it provides a model system for probing which mitochon...
Microbial fuel cell: High yield hydrogen source and wastewater cleaner
Using a new electrically-assisted microbial fuel
cell (MFC) that does not require oxygen, Penn Stat...Logan notes, "Basically, we use the same microbial fuel
cell we developed to clean wastewater and produce electricity. However, to produce hydrogen, we keep...
Survey finds silver contamination in North Pacific waters
...acific ocean from China, where coal is the primary fuel
and the use of emissions controls is limited. Major pollutants from the burning of coal are nitrogen and sulfur compounds that contribute to acid rain and smog. Previous studies by Flegal's group have also found high mercury levels in rainfall on the...
Disease diagnosis, biodefense among UH chemical research projects
...ions ranging from early-stage disease diagnosis to fuel
cells and batteries, the University of Houston wil...resent research with applications in batteries and fuel
cells. His paper is titled "Surface spectroscopy of room-temperature ionic liquids at the platinum-l...
To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists
...mutation -- changes in the DNA. "Mutations are the fuel
for evolution," says Romesberg. Because of the potential harm of mutations, humans and other mammals have evolved to make as few as possible. The machinery inside our cells has the ability to replicate our genomes extremely well, and the "polymerase...
Primates on the brink
...ts for agriculture, logging, and the collection of fuel
wood continues to be the major factor in the declining number of primates, according to the report. Hunting for subsistence and commercial purposes also is a major and insidious threat, especially in Africa and Asia. Live capture for the pet trade al...
Grass makes environmentally friendly biofuel
...l University forage crop expert. This alternative fuel
easily could be produced and pelleted by farmers a...e potential to be a major affordable, unsubsidized fuel
source capable of meeting home and small business heating requirements at less cost than all availab...
Study of energy and health in Africa focuses spotlight on charcoal and forest management
...as well as greenhouse gas emissions from household fuel
sources. They gathered a large database of current fuel
use in African nations. Using this as a baseline, they defined multiple scenarios for future fuel
It's electric: Cows show promise as powerplants
...rs used cow manure directly to create energy for a fuel
cell. Using cow dung as an energy source isn't a ...at scientists have used cellulose to help charge a fuel
cell. The researchers presented their findings on August 31 in Washington, D.C., at the national me...
Green catalyst destroys pesticides and munitions toxins, finds Carnegie Mellon University
... of a biological warfare agent (anthrax), reducing fuel
pollutants, treating pulp and paper processing byproducts, and detoxifying pesticides. A major goal is to develop Fe-TAMLs as a safe, cost-effective means of global water decontamination. Collins and other members of his laboratory are presenting a...
Unexpected lock and key mechanism found for the assembly of tumor blood vessels
...genesis process to initiate blood vessel growth to fuel
the growth of tumors, researchers believe that blocking angiogenesis may choke off a tumor's blood supply and kill the cancerous cell. Varner and her team found that a specific integrin protein called alpha4beta1 was produced at high levels in one p...
Orientation and the egg
...or Solter and Takashi Hiiragi have new evidence to fuel
the ongoing debate. Using various techniques, including comprehensive time-lapse microscopy, the researchers showed compelling evidence for the absence of predetermined polarity in the mouse egg. Their findings are in contrast to those who feel that...
Woods Hole Research Center plans controlled burn in Amazon rainforest
... and number, surveys of seedlings, measurements of fuel
on the forest floor, censuses of mammals, amphibia...a more damaged forest canopy and a stock of larger fuel
from trees killed by prior fires make it even more vulnerable to subsequent fires. When humans move ...
New lead reported in tumor angiogenesis
...w tumor cells induce new blood vessels to form and fuel
their abnormal growth, a well-known process called angiogenesis. As published in this month's issue of the journal Cancer Cell, the scientists found that in addition to the well-known strategy of secreting proteins to trigger angiogenesis, tumor cel...
Stem Cells Found In Cerebellum; Possible Cell of Origin for Childhood Brain Tumors
...re effectively disrupt the genes and proteins that fuel
its growth. Stem cells are immature cells that have the potential to differentiate into multiple types of adult cells. They are known for their unique ability to proliferate extensively and give rise to both new stem cells as well as a host of speci...
1 2 3 4 5 6