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Tag: "dipped" at biology news

Scientists design simple dipstick test for cocaine, other drugs

...membrane pad, and the device is then dried. When dipped into a solution, or swabbed with a sample, the wicking pad carries the fluid to the nanoparticle aggregates on the conjugation pad. The rehydrated aggregates then migrate to the edge of the membrane, which they cannot penetrate because of their large...

The critical importance of mangroves to ocean life

...ed carbon into the open ocean (like a teabag being dipped in an out a cup). Once in the ocean, however, the intense tropical sunlight destroys some of the most delicate dissolved organic carbon molecules. But more than half of the dissolved organic matter survives the attack from sunlight or bacteria. The...

Possible brain hormone may unlock mystery of hibernation

...Pc levels in the blood and brain. While HPc levels dipped in blood, the putative hormone rose dramatically in cerebral spinal fluid, they reported. Likewise, HPc levels decreased abruptly in spinal fluid when hibernation terminated. The researchers also found that blocking the activity of one of the HP com...

World shark attacks dipped in 2005, part of long-term trend

...behavior could explain why shark attacks worldwide dipped last year, continuing a five-year downward trend in close encounters with the oceanic predators, new University of Florida research suggests. Greater safety precautions and in-your-face responses to confrontations with sharks went a long way in redu...

Engineers discover why toucan beaks are models of lightweight strength

...iff cancellous bone fibers that looks as if it was dipped into a soapy solution and dried, generating drum-like membranes that interconnect the fibers. The result is a solid "foam" of air-tight cells that gives the beak additional rigidity. "The beak is mostly air," said Meyers. "While the inner part of hu...

Drugs from the deep blue

... of the world is covered by oceans, and we've only dipped below the surface," Molinski said. This chemist sees natural products from marine organisms as an opportunity to answer questions in biology and find potential leads for the next generation of drugs, whether those are anti-fungals or treatments for ...

Aloe vera coating may prolong freshness, safety of fruits and vegetables

...r-reviewed publication. Valero and his associates dipped a group of common table grapes (Crimson Seedless) into Aloe vera gel and stored them for five weeks under low temperature while exposing a group of untreated table grapes to the same conditions. The colorless Aloe gel used in this study was develop...

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(Date:7/11/2014)... Institute of Standards and Technology (NIST) need a ... they often prove that necessity is truly the ... for M. Lorna De Leoz and Stephen Stein, ... glycomics. Glycomics is the study of the abundant, ... to proteins and lipids and influence cellular processes, ...
(Date:7/11/2014)... two different ways that allow unprecedented experimental insights ... of oxygen molecules in photosynthesis. The two studies ... Nature Communications . , "The new knowledge will ... oxidation, which are key components for building artificial ... energy in fuels like hydrogen, ethanol or methanol," ...
Breaking Biology News(10 mins):Molecular snapshots of oxygen formation in photosynthesis 2
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