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Author: Andrew W. Rogers
Publisher:
ISBN:
Category : Autoradiography
Languages : en
Pages : 338
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Book Description
Author: Andrew W. Rogers
Publisher:
ISBN:
Category : Autoradiography
Languages : en
Pages : 338
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Book Description
Author: William D. Gude
Publisher:
ISBN:
Category : Autoradiography
Languages : en
Pages : 132
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Author: Joe W. Gray
Publisher: Springer Science & Business Media
ISBN: 1603274065
Category : Science
Languages : en
Pages : 419
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Book Description
Quantification of the proliferative characteristics of normal and malignant cells has been of interest to oncolo gists and cancer biologists for almost three decades. This interest stems from (a) the fact that cancer is a disease of uncontrolled proliferation, (b) the finding that many of the commonly used anticancer agents are preferentially toxic to cells that are actively proliferating, and (c) the observa tion that significant differences in proliferation characteristics exist between normal and malignant cells. Initially, cell cycle analysis was pursued enthusiastically in the hope of gener ating information useful for the development of rational cancer therapy strategies; for example, by allowing identi fication of rapidly proliferating tumors against which cell cycle-specific agents could be used with maximum effec tiveness and by allowing rational scheduling of cell cyc- specific therapeutic agents to maximize the therapeutic ratio. Unfortunately, several difficulties have prevented realiza tion of the early promise of cell cycle analysis: Proliferative patterns of the normal and malignant tissues have been found to be substantially more complex than originally an ticipated, and synchronization of human tumors has proved remarkably difficult. Human tumors of the same type have proved highly variable, and the cytokinetic tools available for cell cycle analysis have been labor intensive, as well as somewhat subjective and in many cases inapplicable to humans. However, the potential for substantially improved cancer therapy remains if more accurate cytokinetic infor mation about human malignancies and normal tissues can be obtained in a timely fashion.
Author: Philip D. LaRiviere
Publisher:
ISBN:
Category : Autoradiography
Languages : en
Pages : 40
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Author: Brigitte Schultze
Publisher: Academic Press
ISBN: 1483194876
Category : Science
Languages : en
Pages : 313
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Book Description
Physical Techniques in Biological Research, Second Edition, Volume III, Part B: Autoradiography at the Cellular Level focuses on high resolution autoradiography with tritium. This book reviews the different autoradiographic techniques and difficulties in theoretical principles needed for the interpretation of autoradiograms. The topics include the characteristics of the different types of radiation; autoradiographic resolution; techniques for applying photographic emulsions; and autoradiography of water-soluble substances. The application of different isotopes; general aspects of the use of thymidine; physiological RNA synthesis; and RNA synthesis under pathological conditions are also elaborated. This text likewise covers the protein synthesis under normal conditions; electron microscopic autoradiography; application of electron microscopic autoradiography; and autoradiographic methods in cytochemistry. This publication is a good reference for students, researchers, and clinicians conducting work on the use of tritiated compounds in high resolution autoradiography.
Author: Andrew W. Rogers
Publisher:
ISBN:
Category : Autoradiography
Languages : en
Pages : 360
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Author: V. Grouls
Publisher: Springer Science & Business Media
ISBN: 3642685145
Category : Medical
Languages : en
Pages : 79
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In many aspects hematopoiesis in newborn rodents, especially in rats, resembles hema topoiesis in the human fetus in the 6th-7th month of gestation. In man the transition from the stage of liver to bone marrow erythropoiesis takes place at this time (Bessis, 1973). In rodents, however, the liver is almost the only place where hematopoiesis occurs until birth. Thereafter it is replaced to a growing extent by the bone marrow, which so far consists mainly of immature mesenchymal cells (Maximow, 1910; Cuda, 1970). Thus hematopoietic precursor cells appear in the sternum only around 30 h after birth. Just as in premature human infants, a macrocytic anemia can be demonstrat ed in normal neonatal rats (Lucarelli et aI., 1964, 1968). Beside liver (fetal) and bone marrow, the spleen is involved in hematopoiesis. In rodents like rats and mice, splenic hematopoiesis persists more or less markedly until adulthood; in man, however, it ceases after birth and reappears only under certain pathological conditions (Fischer et aI., 1970; Hennekeuser et aI., 1967; Fresen, 1960).
Author: Renato Baserga
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 304
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Author: J.K. Koehler
Publisher: Springer Science & Business Media
ISBN: 3642654924
Category : Science
Languages : en
Pages : 319
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Book Description
The past decade has seen a remarkable increase in the use of electron microscopy as a researm tool in biology and medicine. Thus, most institu tions of higher learning now boast several electron optical laboratories having various levels of sophistication. Training in the routine use of elec tron optical equipment and interpretation of results is no longer restricted to a few prestigious centers. On the other hand, temniques utilized by researm workers in the ultrastructural domain have become extremely diverse and complex. Although a large number of quite excellent volumes of electron microscopic temnique are now dedicated to the basic elements available whim allow the novice to acquire a reasonable introduction to the field, relatively few books have been devoted to a discussion of more ad vanced temnical aspects of the art. It was with this view that the present volume was conceived as a handy reference for workers already having some background in the field, as an information source for those wishing to shift efforts into more promising temniques, or for use as an advanced course or seminar guide. Subject matter has been mosen particularly on the basis of pertinence to present researm activities in biological electron microscopy and emphasis has been given those areas whim seem destined to greatly expand in useful ness in the near future.
Author: George Addison Boyd
Publisher:
ISBN:
Category : Autoradiography
Languages : en
Pages : 446
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Book Description
