نتایج جستجو برای: mineral surface
تعداد نتایج: 696324 فیلتر نتایج به سال:
I. There is an association between iron overload, ascorbic acid deficiency and osteoporosis in middle-aged South African Bantu males. The iron overload contributes to the ascorbic acid deficiency by accelerating its oxidative catabolism. The object of the present investigation was to explore the possibility that the osteoporosis results from chronic ascorbic acid deficiency. 2. On quantitative ...
UNLABELLED FRFP binds to mineral at osteoblastic, osteoclastic, and quiescent surfaces, with accumulation likely modulated by vascular delivery. In vivo visualization and quantification of binding can be accomplished noninvasively in animal models through optical tomographic imaging. INTRODUCTION The development of near-infrared optical markers as reporters of bone metabolism will be useful f...
Attachment Behavior of Shewanella putrefaciens onto Magnetite under Aerobic and Anaerobic Conditions
In this study, batch experiments were used to characterize attachment behavior of Shewanella putrefaciens strain 200R to ferrihydrite and magnetite. Attachment was quantified in batch experiments with a 0.01 M NaNO3 solution as a function of pH (ranging from 3 to 10), sorbed anion (PO3− 4 ), and growth conditions (aerobic vs. anaerobic). Electrophoretic mobility data was collected for S. putref...
The process of mineral formation following periods of growth interruption (growth bands) is described. Flat pearl implantation as well as a new trepanning method are used to observe the transitory phases of calcium carbonate which nucleate and grow during this process. An initial random nucleation of the aragonite polymorph is observed followed by a transition towards spherulitic growth. During...
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