AGU journal highlights -- Aug. 6, 2009
... chemicals get to the stratosphere
How ocean mass
flows around Antarctica
A 3-D model of ocean ...
10. How ocean mass
flows around Antarctica
Understanding the ... circulation and the climate system. To study mass
flows in the Southern Ocean near Antarctica and ...
Reducing risk of hospitalization in the elderly
... of a person's risk of hospitalization than muscle mass
or size. The relative risk for hospitizations ... for those with poor walking or less dense muscle mass
"Our research suggests that we need to ... of sarcopenia today tend to focus on lean mass
or muscle size, our study shows that is looking ...
DOE-funded research projects win 46 R&D 100 Awards for 2009
... the U.S. flammability tests. The PCM adds thermal mass
to buildings, thus generating heating and cooling ... Kinetic-Energy-Reducing Inlet System for mass
Spectrometers - permits high-resolution mass
analysis of large, intact biological molecules ...
Study explains potential failure of oral contraceptives with obese women
... generally do not include people with a high body mass
index," Cherala said. "But body weight and ... of whom were of normal weight and 10 with a "body mass
index" of more than 30 a common measure of ... women just considered "overweight," with a body mass
index of 25-30, may also be at increased risk of ...
Two dietary oils, two sets of benefits for older women with diabetes
... total body fat and lowered the women's body mass
index (BMI), a common health measure of weight ... determine the women's baseline and follow-up lean mass
and fat throughout their bodies and specifically ... CLA supplementation significantly decreased body mass
index and total body fat over both diet periods, ...
New biomarker method could increase the number of diagnostic tests for cancer
... and Faculty Director of the Sandler-Moore mass
Spectrometry (SMMS) Core Facility; Simon Allen, ... Most proteomic technologies have been based on mass
spectrometry, a decades-old technology that ... which proteins are in a specimen based on the mass
and electric charge of fragments of each protein. ...
New research shows dinosaurs may have been smaller than we thought
... in the dinosaur community to estimate the mass
"The original equation used by ... fairly accurate results when determining the mass
of smaller animals, but when used on larger ... developed a new equation for calculating dinosaur mass
based on bone dimensions. This equation doesn't ...
... statistical model used to calculate dinosaur mass
is flawed, suggesting dinosaurs have been oversized.
Widely cited estimates for the mass
of Apatosaurus louisae , one of the largest of the dinosaurs, may be double that of its actual mass
(38 tonnes vs. 18 tonnes).
An easy way to find a needle in a haystack by removing the haystack
... technique, called MAILD, is based on classical mass
spectrometry (MALDI-TOF/MS) and enables ... the invention is protected by patent.
spectrometry is an analytical technique used to ... of chemical compounds. In the last two decades mass
spectrometry found vast applications in biology, ...
USC researchers present diabetes findings at American Diabetes Association Scientific Sessions
... Induced Hypoglycemia).
Pancreatic Beta Cell mass
in Development of Diabetes
Tom Buchanan, ... his research on the role of pancreatic beta cell mass
in the regulation of blood sugar, and whether it is possible to modulate beta cell mass
to prevent type 2 diabetes.
Buchanan will ...
New book suggests Earth perhaps not such a benevolent mother after all
... at conditions that existed during numerous mass
extinction events in Earth's history.
In a ... and of Earth and space sciences, says numerous mass
extinctions show that our planet behaves in ... of Gaia," he said.
He notes that of 15 mass
extinction events in Earth's history, only the ...
Princeton geoscientist offers new evidence that meteorite did not wipe out dinosaurs
... 65 million years ago, some phenomenon triggered mass
extinctions on the land and oceans.
This event ... struck Earth just at the boundary and caused the mass
extinction of dinosaurs and many other animals. ... down after the impact. If this impact caused the mass
extinction, then the foraminifera above the ...
American Chemical Society Weekly PressPac -- April 8, 2009
... "Use of Differential Isotopic Labeling and mass
Spectrometry To Analyze Capacitation-Associated ... the enzymatic activity of the ricin protein by mass
spectrometry, and identifying the ricin protein by its amino acid sequence through mass
spectrometry. In laboratory tests using small ...
Orientation of antenna protein in photosynthetic bacteria described
... the first time combined chemical labeling with mass
spectroscopy to verify the orientation. The team ... where the label is in the protein by using mass
spectroscopy. That's a kind of footprinting ... were done in the Blankenship lab, while the mass
spectrometry analysis was done in the Washington ...
April 2009 Geology and GSA Today media highlights
... sulfur cycle associated with the Late Ordovician mass
extinction in South China
Tonggang Zhang et ... Canada. Pages 299-302.
The Late Ordovician mass
extinction took place in the Hirnantian Stage ... of the sulfur and carbon cycle accompanying the mass
extinction, and their isotopic data suggest ...
As good as it gets: Octogenarian muscles don't get stronger with exercise
... Octogenarian women were unable to increase muscle mass
after a 3-month weight lifting program targeted ... had found that 70-year-old women gained 5% muscle mass
with resistance training.
The biopsy results ... that it is better to build as much muscle mass
as possible earlier in life to ensure more muscle ...
AGU journal highlights -- March 25, 2009
... chloride increases the total reactive chlorine mass
by 20 to 40 percent in the atmosphere of ... particles exposed to sulfuric acid increase in mass
when relative humidity rises because the acid-coated soot absorbs water. An increase in particle mass
is often accompanied by a decrease in size, ...
'Fattysaurus' or 'thinnysaurus'? How dinosaurs measure up with laser imaging
... Acrocanthosaurus probably weighed in at a similar mass
to MOR555 and other medium sized adult T. rex ... calculation of body segment masses, centres of mass
and moments of inertia for each animal all the ... organs to find the maximum plausible range of mass
for the animals. Even scientists cannot be sure ...
The continents as a heat blanket
... of warm water in a cooking pot. This heat-driven mass
transport is called convection. On the Earth's ... interior does not generally lead to a chaotic mass
transport within the Earth's mantle. On the ... the Earth's mantle and the associated convective mass
flow. In other words the continents act as a ...
UC San Diego and Genentech scientists develop potentially disruptive antibody sequencing technology
... and director of the new Center for Computational mass
Spectrometry (CCMS) at UC San Diego. "This ... technique with protein sequencing based on mass
spectrometry routinely is used to sequence short ...
Genes for 9 health indicators
... insulin, C-reactive protein, as well as body mass
index and blood pressure. Eight 'environmental' ... data such as environmental influences and body mass
index. Three regions were associated with LDL or ... was divided into normal or elevated body mass
"Our population sample allows us to ...
Adiponectin is a metabolic link between obesity and bone mineral density
... known that excess body weight and elevated body mass
index are strongly correlated with high bone ... of fragility fracture associated with low bone mass
and osteoporosis. The strength of the femur neck, ... adiponectin was associated with lower bone mass
and weaker bones in growing mice compared to ...
AGU journal highlights: Nov. 11, 2008
... To investigate the total loss of the ice sheet's mass
from 1958 through 2008, Rignot et al. study two ... from remote sensing techniques; and surface mass
balance, which is derived from a model of melting ... accumulation. The authors find that surface mass
balance and temporal variability in ice discharge ...
Extinction by asteroid a rarity
... out to be wrong.
For geologists who study mass
extinctions, the silver bullet is a giant ... the prime suspect only in the most recent of five mass
extinctions, said USC earth scientist David ... these two specific times that are associated with mass
extinction suggests at the very least that maybe ...
Mass extinctions and the evolution of dinosaurs
... a slow and complicated event, and driven by two mass
"The sheer size of dinosaurs ... million years ago and survived the Late Triassic mass
extinction (228 million years ago), when some 35 ... groups did not happen until after the much bigger mass
extinction some 200 million year ago, at the ...
October 2008 GEOLOGY and GSA TODAY media highlights
... the spatial and temporal variability of heat and mass
exchanges between the solid earth and the oceans ... and biotic recovery was delayed relative to other mass
extinctions. A major unresolved question has been ... in the immediate aftermath of latest Permian mass
extinction. These fossils present a record of ...
September Geology and GSA Today media highlights
... The GSA TODAY article studies the end-Permian mass
extinction in the marine realm, examining ... region during the last ice age removed a large mass
of sedimentthis would have resulted in ... years has resulted in replacement of that mass
and in large-scale subsidence. The subsidence ...
Dying frogs sign of a biodiversity crisis
... other plant and animal species add up to a new mass
extinction facing the planet.
"There's no question that we are in a mass
extinction spasm right now," said David Wake, ... of new species. Extreme cases of this are called mass
extinction events, and there have been only five ...
UCSB researcher leads worldwide study on marine fossil diversity
... periods (also known as the "mother of all mass
extinctions") - Alroy said this report shows that ... that there have been only three truly major mass
extinctions in the fossil record.
"For many ... has been saying that there have been five major mass
extinctions, and it's gotten into the public ...
The mystery of mass extinctions is no longer murky
... If you are curious about Earth's periodic mass
extinction events such as the sudden demise of ... that is the primary cause of the world's periodic mass
extinctions over the past 500 million years.
... think there may have been as many as 23 mass
extinction events, many involving simple forms of ...
Tests show LLNL detection instrument can monitor the air for all major terrorist threat substances
... using a system called Single-Particle Aerosol mass
Spectrometry, or SPAMS, is described in the June ... Airport. As part of a background study, the mass
spectrometry system analyzed the air for about ... the instrument in the form of single-particle mass
spectra," Frank said. "As a result, we get ...
U.S. IEEE members to report on Sci-Tech at California newspapers
... WASHINGTON -- Two IEEE-USA Engineering mass
Media Fellows, Wendy Hansen and Maddalena ... her application to join the IEEE-USA Engineering mass
program, Hansen indicated that she ... students have been chosen as IEEE-USA Engineering mass
Media Fellows; and have helped journalists in ...
New technique determines the number of fat cells remains constant in all body types
... during the teenage years. Changes in fat mass
in adulthood can be attributed mainly to changes ... annually at all adult ages and levels of body mass
Neither fat cell death nor its ... a direct correlation between the measures of fat mass
(measured from ...
Arable land can have a negative impact on air quality
... moving from the Black Sea to Italy, the air mass
quickly drifted to Central Europe. Just one day ... rapidly. The researchers estimated the total mass
of the dust cloud to be at least 60,000 tons. ... to more than 600 wagonloads of sand. The actual mass
was probably much greater still, since the ...
Testosterone replacement theraphy beneficial in men 60 and older
... known as bone mass). Reduced bone density or bone mass
means there is less cushioning to protect the ... of care used to improve bone strength and muscle mass
in males. However, TRT use has been the subject ... at least a protective effect on existing bone mass
over time by preventing unwanted increases in ...
Ibuprofen or acetaminophen in long-term resistance training increases muscle mass/strength
... over placebo in the amount of quadriceps muscle mass
and muscle strength gained during three months of ... time period would significantly increase muscle mass
and strength. They expected the placebo group to ... to exercise. Another is the loss of muscle mass
that takes place when astronauts are exposed to ...
UC San Diego researchers eliminate drug discovery bottleneck
... NRPs through an innovative collaboration between mass
spectrometry experts at the UCSD Skaggs School of ... beads, then the new algorithms both decipher the mass
of each bead based on the mass
spectrometry and determine the order of the beads ...
Antarctic ice loss
... Increasing amounts of ice mass
have been lost from West Antarctica and the ... week in Nature Geoscience.
Meanwhile the ice mass
in East Antarctica has been roughly stable, with ... The authors conclude that the Antarctic ice sheet mass
budget is more complex than indicated by the ...
December GEOLOGY and GSA TODAY media highlights
... global climate system; cause of the end-Permian mass
extinction; Olduvai Basin lake cycles and ... 1083-1086.
Earth witnessed its most severe mass
extinction 250 million years ago. This extinction ... the marine photic zone euxinia, the faunal mass
extinction, and the cyanobacterial expansion all ...
Ozone can affect heavier people more
... the first evidence that people with higher body mass
index (BMI) may have a greater response to ozone ... healthy, non-smoking men and women to see if body mass
index (BMI)a measure of the amount of fat a ...
To examine the question of whether higher body mass
index influences ozone responses in humans, the ...