Biomedical subjects
G B Friedmann
Publications and source records attributed to G B Friedmann.
Lethal and chromosomal effects of freezing, thawing, storage time, and x-irradiation on mammalian cells preserved at -196 degrees in dimethyl sulfoxide.
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Detection of an in vivo total hip joint failure by routine radiography.
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The annual cycle of red blood cell count and haemoglobin level in the urodele Taricha granulosa on southern Vancouver Island.
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Responses of adult newts (Amphibia: Urodele) to x rays.
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Responses of metamorphosing Taricha torosa to x rays.
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Fundus camera holography of retinal microvasculature.
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Altitudinal variations in the red blood cell count and haemoglobin content of urodele blood.
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Differential white blood cell counts for the urodele Taricha granulosa.
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Response of newt larvae to x-irradiation.
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Physical model for Haidinger's brush.
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Determination of the red blood cell count and haemoglobin content of urodele blood.
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Proton spin-lattice relaxation time study in tissues of the adult newt Taricha granulosa (Amphibia: Urodele).
Nuclear magnetic resonance (NMR) pulse techniques were used to obtain values for the spin-lattice relaxation time (T1) of whole blood, plasma, blood cells, in vitro liver samples, and live and necrotic tail samples for adult Taricha granulosa. The T1 for whole blood is (0.80 +/- 0.01) s, for plasma (0.76 +/- 0.02) s and for blood cells (0.83 +/- 0.01) s, and did not change over several hours of measurement. The necrotic liver gave a single T1 of (0.28 +/- 0.02) s within the first 20 min of excision with a gradual increase over the next 3.5 h. Live and dead tail samples gave two T1 values: a short T1 of about 0.15 s remaining essentially constant and a long T1 starting at 0.68 s and increasing to 0.9 s during the 5 h of the experiment.