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This work focuses on the environmental availability and effects, toxicological properties and numerous applications of cationic surfactants, detaling the modern analytical processes by which this important class of compounds may be studied. It discusses the types of microorganisms that are susceptible or refractory to the actions of cationic agents.
Comprehensive Biochemisty, Volume 5: Carbohydrates deals with the organic and physical chemistry of the major organic constituents of living material. This book discusses the general structure of monosaccharides, detection and estimation of aldonic acids, intramolecular rearrangement of N-glycosides, and preparation of sugar phosphates. The deacetylation of glycoside acetates, naturally occurring oligosaccharides of human milk, and molecular weight of polysaccharides are also elaborated. This text likewise covers the biogenesis and fate of pectic substances in plant tissues, complex polysaccharides of gram-positive bacteria, galactosaminoglycan of Aspergillus parasiticus, and chemical structure of heparin sulfate. This volume is a good source for biochemists and researchers conducting work on carbohydrates.
This volume considers the exchange between the Neo-Kantian tradition in German philosophy and the sciences from the last third of the nineteenth century to the Great war and partly beyond. During this period, various scientific disciplines underwent modernisation processes characterised by an increasing empirical inclination and a decline in the influence of metaphysics, the pluralisation of theories, and the historical and pragmatic revitalisation of scientific claims against philosophy. The various contributions look at the ways in which a certain ‘Kantian orthodoxy’ was influenced by these new developments and whether (and how) itself had some impact on the development of the sciences. The volume is not limited to the 'exact sciences' of mathematics and physics, which are particularly important for the Kantian tradition, but also takes into account less recognised disciplines such as biology, chemistry, technology and psychology. It is complemented by contributions that contrast Neo-Kantianism with other 'scientific philosophies' of the period in question.
The study of tumour resistance to anticancer drugs has been the subject of many publications since the initial discovery of the phenomenon by J. H. Burchenal and colleagues in 1950. Many papers have been published since then reporting development of resistance to most of the well-known anticancer agents in many different animal tumour systems, both in vivo and in vitro. Many different mechanisms of resistance have been described, and it is clear that the tumour cell has a wide diversity of options in overcoming the cell-killing activity of these agents. Definition of the magnitude of the phenomenon in the clinic is, however, much more problematical, and it is with this in mind that the initi...
Traditionally experimentation has been understood as an activity performed within the laboratory, but in the twenty-first century this view is being challenged. Schwarz uses ecological and environmental case studies to show how scientific experiments can transcend the laboratory.