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4 produkter
4 produkter
1 485 kr
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Immunoassays is the first practical volume designed to help any biologist develop an immunoassay of any common format for any suitable analyte. The basic principles are described and the choices of assay types and formats listed. Methods for raising and for characterizing antibodies, for preparing radioactive, enzymatic, fluorescent and other labels, are described. Solid-phase reagents, standards and immunogens are explained, with procedures for their preparation. But most components can be obtained commercially and comprehensive lists of suppliers are given. Approaches to combining the reagents and optimizing the required assay are described, including how to eliminate common interferences, and thorough validation procedures are given. Manual and computer methods for the calculation of concentrations are explained. Since only assays that are within control give valid results, a graded and comprehensive approach to internal and external quality assurance methods is detailed, including how to prepare control samples.
4 694 kr
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This book is available either individually, or as part of the specially-priced Arguments of the Philosphers Collection. The purpose of this series is to provide a contemporary assessment and history of the entire course of philosophical thought. Each book constitutes a detailed, critical introduction to the work of a philosopher of major influence and significance. This volume is intended as a critical discussion of some of Plato’s central philosophical theses.
809 kr
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This book is available either individually, or as part of the specially-priced Arguments of the Philosphers Collection. The purpose of this series is to provide a contemporary assessment and history of the entire course of philosophical thought. Each book constitutes a detailed, critical introduction to the work of a philosopher of major influence and significance. This volume is intended as a critical discussion of some of Plato’s central philosophical theses.
550 kr
Skickas inom 10-15 vardagar
The original motivation for the development of digital computers was to make it possible to perform calculations that were too large to be attempted by a human being without serious likelihood of error. Once the users found that they could achieve their initial aims, they then wanted to go into greater detail, and to solve still bigger problems, so that the demand for extra computing power has continued unabated, and shows no sign of slackening. This book is an attempt to describe some of the more important techniques used today, or likely to be used in the near future, to perform arithmetic within the computing machine. There are, at present, few books in this field. Most books on computer design cover the more elementary methods, and some go into detail on one or two more ambitious units. Space does not allow more. In this text the aim has been to fill this gap in the literature. In selecting the topics to be covered, there have been two main aims: first, to deal with the basic procedures of arithmetic, and then to carry on to the design of more powerful units; second, to maintain a strictly practical approach. The number of mathematical formulae has been kept to a minimum, and the more complex ones have been eliminated, since they merely serve to obscure the essential principles.