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Visible and Near Infrared Absorption Spectra of Human and Animal Haemoglobin determination and application (Hardcover)
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Discovery Miles 51 510
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Visible and Near Infrared Absorption Spectra of Human and Animal Haemoglobin determination and application (Hardcover)
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The bright colour of haemoglobin has, from the very beginning,
played a significant role in both the investigation of this
compound as well as in the study of blood oxygen transport.
Numerous optical methods have been developed for measuring
haemoglobin concentration, oxygen saturation, and the principal
dyshaemoglobins in vitro as well as in vivo. Modern applications
include pulse oximeters, fibre optic oximeters, multiwavelength
haemoglobin photometers ('co-oximeters') and instruments for near
infrared spectroscopy in vivo. Knowledge of the light absorption
spectra of the common haemoglobin derivatives is a prerequisite for
the development and understanding of these techniques.
In the 1960s a reference method based on the absorptivity of a
single derivative (haemiglobincyanide; HiCN) at a single wavelength
(540 nm) was established for measuring the total haemoglobin
concentration. Thus an anchor value was provided on which the
absorptivity spectra of all other haemoglobin derivatives could be
based.
This monograph presents absorption spectra and absorptivity data in
the wavelength range of 480 to 1000 nm of the major haemoglobin
derivatives for human adult and foetal haemoglobin and for
haemoglobin of several animals (cow, dog, horse, pig, rat, and
adult and foetal sheep). A detailed description of the methods used
to acquire these data has been included to allow future
investigators to reproduce and expand on the data.
The second part of the monograph includes chapters on the
principles and development, in historical perspective, of the
principal methods for measuring total haemoglobin concentration for
two, three, and multi-component analysis of haemoglobin
derivatives, and for blood oxygen saturation measurement. Accurate
quantitative data pertaining to haemoglobin in human blood are
presented, together with a description of methods for measuring
haemoglobin oxygen capacity and oxygen affinity. These chapters
have been written with a view to foster knowledge and insight
concerning the principles, purposes, and limitations of the various
methods of all who use these methods in research and patient care.
General
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