Download Biophysical Methods for Biotherapeutics: Discovery and by Tapan K. Das PDF

By Tapan K. Das

ISBN-10: 0470938439

ISBN-13: 9780470938430

With a spotlight on sensible purposes of biophysical thoughts, this booklet hyperlinks primary biophysics to the method of biopharmaceutical development.

• Helps formula and analytical scientists in pharma and biotech greater comprehend and use biophysical tools
• Chapters prepared in response to the sequential nature of the drug improvement approach
• Helps formula, analytical, and bioanalytical scientists in pharma and biotech higher comprehend and usestrengths and boundaries of biophysical equipment
• Explains the right way to use biophysical equipment, the data bought, and what should be provided in a regulatory submitting, investigate influence on caliber and immunogenicity
• With a spotlight on functional functions of biophysical thoughts, this ebook hyperlinks basic biophysics to the method of biopharmaceutical development.

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Extra resources for Biophysical Methods for Biotherapeutics: Discovery and Development Applications

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Information, must therefore be provided either by physical techniques where the information is provided via additional data or by purely computational techniques whereby relations between the amplitude data are used to derive the phases; such techniques are known as direct methods and are reviewed in papers by Sheldrick and Uson [68, 69]. 2 A resolution. This generally leaves the biotherapeutic crystallographer with two options to solve structures: molecular replacement where known structures are used to derive phases and heavy metal techniques; both will be briefly outlined.

The structure factor consists of a vector of amplitude given by the square root of the intensity and angle called the phase of a reflection. This phase of a reflection is lost in normal data collection and gives rise to the “phase problem” in X-ray crystallography. Information, must therefore be provided either by physical techniques where the information is provided via additional data or by purely computational techniques whereby relations between the amplitude data are used to derive the phases; such techniques are known as direct methods and are reviewed in papers by Sheldrick and Uson [68, 69].

Proteins and nucleic acid crystals can only form in 65 of these due to the chiral nature of the amino acids and nucleotides, excluding space groups with mirror symmetry. To the macromolecular crystallographer, the important aspects of the crystal are the unit cell, corresponding to the size of the box that when repeated along the three translational axes will reproduce the crystal, and the asymmetric unit which is the portion of the unit cell which is unique and not dependent on the application of the space group’s symmetry operators.

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Biophysical Methods for Biotherapeutics: Discovery and Development Applications by Tapan K. Das


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