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Individual Aids Patient T Cell Cultures
5,794 wordsIntroduction In 1982, Robert Gallo from the National Cancer Institute in the USA, put forward the hypothesis that the cause of AIDS is a retrovirus. One year later, Myron Essex and his colleagues (1) found that AIDS patients had antibodies to the Human T-cell Leukemia virus Type-1 (HTLV-I), a virus discovered by Gallo a few years earlier. At the same time, Gallo and his colleagues (2) reported the isolation of HTLV-I from AIDS patients and advocated a role for this retrovirus in the pathogenesis...
768 wordsCell Culture Methodology From Donor to Cell Lines Cellular tissue culture has come a long way since the beginning of the 20th century. Published papers in the early 1900+s report a theory and a procedure, although harsh and crude, to keep cells alive in media, and those cells+ behavior in vitro would be similar cells in vivo. The advantages of these cell cultures soon came into perspective, medical research could soar from this. Certain difficulties were soon overcome and a serum free media was ...
Gram Positive Bacteria
842 wordsBacteria Classification By Gram Staining THE AMERICAN UNIVERSITY IN CAIRO BIOLOGY DEPARTMENT SCIENCE 453: BIOLOGY FOR ENGINEERS REPORT No. 1 Presented By: Karim A. Zak lama 92-1509 Sci. 453-01 24/2/96 Objective: To test a sample of laboratory prepared bacteria and categorise it according to Christians gram positive and gram negative classes and also by viewing it under a high powered microscope and oil immersions; classify its shape and note any special characteristics. Introduction: Bacteria wa...
Insulin Secreting Cell In The Second Method
2,471 wordsIntroduction Type 1 Diabetes mellitus, formerly known as insulin-dependent diabetes mellitus is a disease that is defied as a metabolism disorder. It affects about 5-10% of the diabetic population estimating to about 4.9 people worldwide. In this type of diabetes, the onset of elevated blood sugar levels usually begin abruptly in a fairly dramatic way before the age of 30 and about half of all the cases appear during childhood. The cause of diabetes type 1 is an autoimmune destruction in which t...
Cell Cultures And Animals
594 wordsTHEORY: Cell culture studies are significantly reducing the need for animal research. Cell cultures contain living cells that grow in laboratory dishes and that scientists call in-vitro (in glass) cells. These cultures grow in nutrients (growth factors) collectively referred to as medium. There are tens of thousands of cell types. They come from human volunteers, animals, bacteria and plants. Toxicologists often use cell cultures to study the effects of natural and artificial substances on the g...
Bb 4 Culture On The Amp Plate
1,498 wordsMechanisms of Genetic Exchange: Transformation and Conjugation Introduction Genetic exchange had been known to play a role in the evolution and survival of microorganisms. Genes of one bacterium can be exchanged to another through several different ways: conjugation, transformation and transduction. However, the focus of this paper is to further examine the characteristics of conjugation and transformation mechanisms. Transformation was first discovered in 1928 by Frederick Griffith while he was...
Field Of Cultural Anth
1,362 wordsAnthropology- the study of humankind everywhere, through time, seeks to produce reliable knowledge about people and their behavior, both about what makes them different and what they have in common. What They Do- Physical anth- study humans as biological organisms, tracing there evolutionary development of the human animal and looking at biological variations within the species, past and present (human evol, Primates, Human diversity. Cultural Anth- is concerned with human cultures, or the ways ...
Culture Labs Scientist
331 wordsBiotechnology In Human Medicine Biotechnology In Human Medicine Essay, Research Paper Alex Jaime Biology Jan. 7 "2000' Pg Report. "Biotechnology in Human Medicine' Biotechnology is the science by which scientist change or manage biological systems in living things. This science allows humans to better understand, and apply their learnings to things such as agriculture, industry and human medicine. One of the ways scientist are learning more about medicines is by performing labs that are called c...
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