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acidification in Medical News

Melting snow provides clues for acidification

MADISON, WI, February 11, 2008 -- In forests of the northeastern United States, sulfate and nitrate are the dominant dissolved forms of sulfur and nitrogen in precipitation. In winter, these acidic agents accumulate in the snowpack and are released to groundwater and streams over a short period of...

Indiana U. research at the American College of Sports Medicine conference

...ssion Friday morning. *The second study found that study participants with EIA had significantly lower levels of exhaled pH, which might "indicate acidification of the airways in individuals with airway hyperresponsiveness," according to the study. The pH level also was related to the degree of closure of the ...

Homeless cells find temporary lodging -- and their demise

...displayed massive cellular and nuclear degradation lacking apoptotic hallmarks. All of these cells were nestled inside vacuoles, and stains implicated acidification in their death. He still doesnt know which cell orders the killing, but it appears the houseguest forces its way into the host. The initial contact...

Southern Oceans Ability to Absorb CO2 Has Reached a Saturation Point: Study

... According to the study, the stabilisation of atmospheric CO2 is even more difficult to achieve than previously thought. Additionally, acidification in the Southern Ocean is likely to reach dangerous levels earlier than the projected date of 2050, they said. Professor Chris Rapley, Director...

Climate Change Threatens Sundarbans and World Heritage Sites

...gest delta of Sundarbans, the report added. The consequences in terms of flooding of low-lying deltas, retreat of shorelines, salinitisation and acidification of soils, and changes in the water table raise serious concerns for the well being of the local population. Additional sources of stress, not re...

Oceans May Turn More Acidic and Threaten Marine Life

...ogic record tells us the chemical effects of ocean acidification would last tens of thousands of years," Caldeira s...gical recovery could take millions of years. Ocean acidification has the potential to cause extinction of many mari...an was found to be around the same time when ocean acidification took place. According to Caldeira, "Ultimate...

BCG vaccine to be boosted to effectively prevent tuberculosis

...e need for utilizing the urease C gene of BCG that normally plays a role in pH neutralization of the phagosome. The lack of urease C allows phagosomal acidification and provides an ideal pH environment for listeriolysin. The new BCG vaccine strain has been found to protect mice against tuberculosis significant...
acidification in Medical Technology

Pew Commission Says Industrial Scale Farm Animal Production Poses 'Unacceptable' Risks to Public Health, Environment

...emissions from livestock contribute significantly to the eutrophication and acidification of soil and water. Some level of nutrient overload occurs naturally, but this process can be accelerated by human activities. acidification can put stress on species diversity in the natural environment. Animal ...
acidification in Medical Products

ALS, Total ELISA Test

Description:...FBP-3, a molecule of IGF-I or IGF-II, and this unique acid-labile subunit (ALS) [1-6]. The first description of ALS was based on the observation that acidification would result in dissociation of the 150 KDa complex into acid-stable IGF (~7.5 KDa) and IGFBP-3 (~50 KDa) components while neutralization of the acidi...
Company:Diagnostic Systems Laboratories, Inc.
acidification in Medical Dictionary

Renal tubular acidosis

...logy and diagnosis of type 1 and type 2 renal tubular acidosis ... Distal Renal Tubular Acidosis : Read about the advances in urinary acidification that have allowed researchers to relate clinical disorders with their underlying ... What is renal tubular acidosis (RTA)? Renal tubular ...

Lactic acidosis

... Lactic acidosis is a condition caused by the buildup of lactic acid in the body. It leads to acidification of the blood ( acidosis ), and is considered a distinct form of metabolic acidosis . Tissue hypoxia and hypoperfusion... Lactic Acidosis ...

Euglobulin lysis time

...) is a test that measures overall fibrinolysis. The test is performed by mixing citrated platelet-poor plasma with acid in a glass test tube. This acidification causes the precipitation of certain clotting factors in a complex called the euglobulin fraction. The euglobulin fraction contains the important f...
acidification in Biological News

University of Hawaii at Manoa researchers reveal ocean acidification at Station ALOHA

The burning of fossil fuels has released tremendous amounts of the greenhouse gas carbon dioxide (CO 2 ) into the atmosphere, significantly impacting global climate. Were it not for the absorption of CO 2 by the oceans, the alarming growth of atmospheric CO 2 concentration would be substantially...

Ocean acidification could have broad effects on marine ecosystems

SAN FRANCISCO, CA--Concern about increasing ocean acidification has often focused on its potential effects on coral reefs, but broader disruptions of biological processes in the oceans may be more significant, according to Donald Potts, a professor of ecology and evolutionary biology at the Univer...

Ocean acidification from CO2 emissions will cause physiological impairment to jumbo squid

KINGSTON, R.I. December 15, 2008 The elevated carbon dioxide levels expected to be found in the world's oceans by 2100 will likely lead to physiological impairments of jumbo (or Humboldt) squid, according to research by two University of Rhode Island scientists. The results of a study by Brad...

Ocean acidification -- another undesired side effect of fossil fuel-burning

Up to now, the oceans have buffered climate change considerably by absorbing almost one third of the worldwide emitted carbon dioxide. The oceans represent a significant carbon sink, but the uptake of excess CO2 stemming from mans burning of fossil fuels comes at a high cost: ocean acidification. ...

NOAA and NSF commission national study of ocean acidification

The first comprehensive national study of how carbon dioxide emissions absorbed into the oceans may be altering fisheries, marine mammals, coral reefs, and other natural resources has been commissioned by NOAA and the National Science Foundation. "Carbon dioxide released into the atmosphere th...

Ocean acidification threatens cold-water coral ecosystems

Corals don't only occur in warm, sun-drenched, tropical seas; some species are found at depths of three miles or more in cold, dark waters throughout the world's oceans. Some cold-water coral reefs are home to more than 1,300 species of animals, a diversity rivaling some better known tropical coral...

AGU journal highlights -- Aug. 6, 2009

...e climate models should take stratospheric ozone into account. Title: Stratospheric ozone depletion reduces ocean carbon uptake and enhances ocean acidification Authors: Andrew Lenton and Nicolas Metzl: LOCEAN, IPSL, UPMC, MHNH, IRD, CNRS, Paris, France; Francis Codron: LMD, IPSL, UPMC, X, ENS, CNRS, Par...

August 2009 Geology and GSA Today media highlights

...or cooling at 14 million years ago. The results of Kender et al. reveal two acidification events in the deep sea off West Africa about 16 and 15.5 million years ago,...suggest that they had a significant effect on the climate at this time. The acidification events, which dissolved carbonate organisms on the seafloor, probably resul...

University of Miami receives stimulus funds for study of hurricane impacts on structures, ecosystems

...ience Center, co-located within the facility, will focus on coral reef research, helping to assess and measure the effects of climate change and ocean acidification on corals and reef-building processes. Scientists at the Center will also conduct fisheries and biological oceanography research to generate models o...

Corals stay close to home

...s of tropical vacations, complete with snorkeling among tropical fish in crystal clear waters. Rapid climate change, and increased pollution, ocean acidification and overfishing threaten to darken this picture considerably. These factors heavily stress corals, and thus put both the countless marine organisms th...
acidification in Biological Technology

Detection, identification, and quantitation of an olive allergen using Ettan MDLC, MS/MS, and DeCyder MS

...d against 20 mM ammonium bicarbonate on NAP-10 Columns, and then digested with 5 µg trypsin for 2 h at 37 °C. The digestions were stopped by acidification with formic acid. Dual reversed-phase nanoscale liquid chromatography Ettan MDLC was used in the high-throughput configuration using two r...

The Bio-Rad Silver Stain, Rev E

...n the concentration of silver ions relative to NaOH and NH 3 , as well as to metals such as copper used in the stain, and to the acidification process used in image formation. Washes after silver diammine treatment are difficult, resulting in high background and variable...
acidification in Biological Definition

Cellulose

...a 17.5% solution of sodium hydroxide at 20 deg C. is Alpha Cellulose , which is true cellulose; the portion that dissolves and then precipitates upon acidification is Beta Cellulose , and the proportion that dissolves but does not precipitate is Gamma Cellulose . See also Cellulase ...
acidification in Biological Dictionary

Collecting tubules

...lated distal collecting tubules (medullary sponge kidney) ... To examine the effects of respiratory acidosis in vivo on the adaptation of acidification in the collecting tubule , New Zealand White rabbits were exposed to a 6. Kidney International aims to inform the renal researcher and ... McK...
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