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agents in Biological Definition

Redox

... 1 Oxidizing and Reducing agents 2 Former meaning (Oxygen/Hydrogen) 3 ... 6 External link Oxidizing and Reducing agents Substances that have the ability to oxidize ... to be oxidative and are known as oxidizing agents / oxidants or oxidizers . Put in another way, ...

Redox

... 1 Oxidizing and Reducing agents 2 Former meaning (Oxygen/Hydrogen) 3 ... 6 External link Oxidizing and Reducing agents Substances that have the ability to oxidize ... to be oxidative and are known as oxidizing agents / oxidants or oxidizers . Put in another way, ...

Virus classification

... (double stranded DNA) 3 Subviral agents 3.1 Viroids 3.2 Satellites 3.3 ... e.g. Cauliflower mosaic virus Subviral agents The following agents are smaller than viruses but have some of their ...

Diabetes mellitus

... medications, including high dose glucocorticoids , some chemotherapy agents (especially L-asparaginase), and some of the antipsychotics and mood ... In addition, the onset and duration of the effects of oral hypoglycemic agents vary from type to type and from patient to patient. A useful test that ...

Photosynthesis

... bacteria. Aside from the cyanobacteria , they use reducing agents such as sulfide or hydrogen , so no oxygen is produced. Others, such ... chloroplasts give off oxygen in the presence of unnatural reducing agents like iron oxalate , ferricyanide or benzoquinone after exposure to ...

Molecular evolution

... generation. Gene flow : or gene admixture is the only one of the agents that makes populations closer genetically while building larger gene ... and redistribution of variation is produced by three of the four agents of evolution: mutation, genetic drift, and gene flow. Natural selection, ...

Photosynthesis

... bacteria. Aside from the cyanobacteria , they use reducing agents such as sulfide or hydrogen , so no oxygen is produced. Others, such ... chloroplasts give off oxygen in the presence of unnatural reducing agents like iron oxalate , ferricyanide or benzoquinone after exposure to ...

Prion

... ultraviolet radiation (which breaks down nucleic acids), yet responded to agents that disrupt proteins. Initially, this hypothesis was highly ... to amyloid aggregation. Classification Mammalian prions, agents of spongiform encephalopathies Disease name Natural host Prion ...

Stem cell

... the umbilical vein. This blood is then immediately analyzed for infectious agents and the tissue-type is determined. The cord blood is processed and ... , most growing cells are killed by the cytotoxic agents. These agents not only kill the leukemia or neoplastic cells, but also the stem cells ...

Computed axial tomography

... accidents and intracranial hemorrhage is the most frequent reason for a "head CT" or "CT brain". Scanning is done without intravenous contrast agents (contrast may resemble a bleed). CT generally does not exclude infarct in the acute stage, but is useful to exclude a bleed (so anticoagulant ...

Ecdysone

... arthropods but also occur in other invertebrates where they can play different role. Ecdysteroids also appear in many plants mostly as a protection agents (toxins or antifeedants) against herbivore insects. ...

Gel electrophoresis

... tend to fold up into molecules with complex shapes and migrate through the gel in a complicated manner based on their tertiary structure. Therefore, agents that disrupt the hydrogen bonds , such as sodium hydroxide or formamide , are used to renature the nucleic acids and cause them to behave as long ...

Gel electrophoresis

... tend to fold up into molecules with complex shapes and migrate through the gel in a complicated manner based on their tertiary structure. Therefore, agents that disrupt the hydrogen bonds , such as sodium hydroxide or formamide , are used to renature the nucleic acids and cause them to behave as long ...

Human

... being is often regarded as on a roughly equal footing with animals, plants, and natural forces. Therefore, it is morally imperative to treat these agents with respect. In this worldview, humans are considered a denizen, or part, of nature, rather than superior to or separate from it. In such societies, ...

Immune system

... immune system 4 Further reading 5 See also Recognizing self and non-self The immune system defends the body by recognizing agents that represent self and those that represent non-self , and launching attacks against harmful members of the latter group. Distinguishing between ...

Insulin

... or exercised more than expected), or a mistake (e.g. 200 units of insulin instead of 20). Causes of hypoglycemia are: oral hypoglycemic agents (eg, any of the sulfonylureas, or similar drugs, which increase insulin release from beta cells in response to a particular blood glucose level) ...

Pigment

... and a dye , which is either a liquid, or is soluble. There is no well-defined dividing line between pigments and dyes, however, and some coloring agents are used as both pigments and dyes. In some cases, a pigment will be made by precipitating a soluble dye with a metallic salt. The resulting pigment ...

Vaccine

... of 2003 , DNA vaccination is still experimental, but shows some promising results. Developing immunity The immune system recognizes vaccine agents as foreign, destroys them, and 'remembers' them. When the virulent version of an agent comes along, the immune system is thus prepared to respond, ...

Varicella zoster virus

... virus is very susceptible to disinfectants , notably sodium hypochlorite . Within the body it can be treated by a number of drugs and therapeutic agents including aciclovir , zoster immunoglobulin (ZIG), and vidarabine . A live attenuated VZV Oka/Merck strain vaccine is available and is ...
Other Contents
(Date:8/20/2014)... -- Bay Area Lyme Foundation, which aims to make ... applauds new research published in an upcoming issue of ... Diseases . The findings show that ticks that ... the year, making the threat of Lyme disease year-round. ... of Public Health (CDPH) Vector-borne Disease Section and University ...
(Date:8/20/2014)... who have suffered concussions ready to return to action? ... high school athletes who head back on the field ... regression in their abilities to simultaneously walk and do ... changes in their balance and/or altered walking speed, was ... 12 had returned to activity in less than a ...
(Date:8/20/2014)... Virginia Tech,s Wu Feng has built upon a National ... in the Cloud" program, and synergistically complemented it with ... the Air Force on "big computing" for mini-drones and ... Institutes of Health on "big data" for the life ... aspects from each grant, he was able to tell ...
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(Date:8/20/2014)... HealthDay Reporter WEDNESDAY, Aug. ... has long been an option, but a new study shows ... "The most common reasons women didn,t undergo reconstruction was that ... surgery or they were focused on their cancer treatment," said ... Memorial Sloan Kettering Cancer Center, in New York City. ...
(Date:8/20/2014)... common approach to treating kidney failure by removing waste ... for people who suddenly developed the condition, in an ... School of Medicine. , Their findings, published online in ... an aggressive method that is standardly used for people ... benefit to the patient. , "Our findings question the ...
(Date:8/20/2014)... found a novel approach to treating cancer - using ... of Science Translational Medicine shows that cancer ... by nerves that are linked to cancer stem cells. ... Botox made the treatment cheap, safe and efficient. The ... and will soon start testing on humans. , The ...
(Date:8/20/2014)... August 20, 2014 A common approach ... the blood did not improve survival chances for people ... by experts at the University of Pittsburgh School ... today in the journal PLOS One , suggest ... for people with sudden kidney failure, may not provide ...
(Date:8/20/2014)... Aug. 20, 2014 (HealthDay News) -- New research reveals ... role in the global spread of the infectious disease ... from people in Africa to seals and sea lions, ... thousands of years ago, according to an international team ... on the rise again worldwide. This study and further ...
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