A Guide to Methods in the Biomedical Sciences by Ronald B. Corley

By Ronald B. Corley

A advisor to tools within the Biomedical Sciences offers a easy description of universal tools utilized in examine. this isn't meant to be a equipment ebook. relatively, it really is meant to be a publication that outlines the aim of the equipment defined, their barriers and supply substitute methods as acceptable. millions of tools were constructed within the numerous biomedical disciplines and people lined during this booklet characterize the elemental, crucial and most generally used tools in different diverse disciplines.

The historic heritage (including a few fascinating anecdotes) resulting in the advance of ground-breaking options are defined, specially those who considerably complex the sphere of biomedical study. Advances that earned their inventors prestigious Nobel Prizes are emphasized.

The ebook is split into six sections, highlighting chosen tools in protein chemistry, nucleic acids, recombinant DNA expertise (including forensic dependent methods), antibody-based ideas, microscopy and imaging, and using animals in biomedical sciences.

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When bacteriophages are used to infect a lawn of bacteria grown on an agar plate, they produce viral plaques, which are clear circular regions on the bacterial lawn that result from the lysis of a number of adjacent bacterial by the viral progeny of a single initial infectious virus. Bacteriophage vectors Bacteriophage vectors are useful for the production of cDNA libraries and genomic libraries (see below). Bacteriophages are used for the construction of libraries because DNA can be cloned with high efficiency.

MS has become 18 A GUIDE TO METHODS IN THE BIOMEDICAL SCIENCES a key tool in proteomics research because it can analyze and identify compounds that are present at extremely low concentrations (as little as 1 pg) in very complex mixtures by analyzing its unique signature. There are three parts to a mass spectrometer: the ion source, the mass analyzer, and the detector. Three broad types of ionization methods are used in MS, including electrospray ionization, electron ionization, and matrix-assisted laser desorption/ionization.

The Braggs (a father and son “dynamic duo”), shared the Nobel Prize in Physics in 1915 for their work demonstrating that x-rays could be used for structural analysis, a year after Max von Laue receive the Nobel Prize for demonstrating that crystals diffracted x-rays. Bragg’s law (without going into the physics) allows information about a 20 A GUIDE TO METHODS IN THE BIOMEDICAL SCIENCES crystal structure to be obtained from x-ray diffraction data. The diffraction peaks can be used to reconstruct an electron density map, which is accomplished by Fourier transforming the diffraction intensities.

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