نتایج جستجو برای: مکانیسم گمشدن تصادفی mar
تعداد نتایج: 124866 فیلتر نتایج به سال:
Potential shifts in rainfall driven by climate change are anticipated to affect watershed processes (e.g., soil moisture, runoff, stream flow), yet few model systems exist in the tropics to test hypotheses about how these processes may respond to these shifts. We used a sequence of nine watersheds on Hawaii Island spanning 3000 mm (7500-4500 mm) of mean annual rainfall (MAR) to investigate the ...
Microautoradiography (MAR) is a conventional imaging method based on the daguerreotype. The technique is used to visualize the distribution of radionuclide-labeled compounds within a tissue section. However, application of the classical MAR method to plant tissue sections is associated with several difficulties. In this study, we report an MAR method applicable to fresh-frozen plant sections. O...
A M(r) 114,000 protein (p114) that specifically binds to nuclear matrix attachment DNA (matrix attachment region, MAR) from a breast carcinoma cell line SK-BR-3 was purified to near homogeneity. p114 strongly binds to a wild-type A+T-rich MAR probe with high unwinding propensity with a dissociation constant (Kd) of 10(-9), while it exhibits substantially reduced binding to a mutated A+T-rich no...
Koyama, Yu, Tadashi Yamamoto, Tatsuo Tani, Kouei Nihei, Daisuke Kondo, Haruko Funaki, Eishin Yaoita, Katsutoshi Kawasaki, Nobuaki Sato, Katsuyoshi Hatakeyama, and Itaru Kihara. Expression and localization of aquaporins in rat gastrointestinal tract. Am. J. Physiol. 276 (Cell Physiol. 45): C621–C627, 1999.—A family of water-selective channels, aquaporins (AQP), has been demonstrated in various o...
McDonald, Roger B., Tana M. Hoban-Higgins, Rodney C. Ruhe, Charles A. Fuller, and Barbara A. Horwitz. Alterations in endogenous circadian rhythm of core temperature in senescent Fischer 344 rats. Am. J. Physiol. 276 (Regulatory Integrative Comp. Physiol. 45): R824–R830, 1999.—We assessed whether alterations in endogenous circadian rhythm of core temperature (CRT) in aging rats are associated wi...
Knot, Harm J., Karen M. Lounsbury, Joseph E. Brayden, and Mark T. Nelson. Gender differences in coronary artery diameter reflect changes in both endothelial Ca21 and ecNOS activity. Am. J. Physiol. 276 (Heart Circ. Physiol. 45): H961–H969, 1999.—Elevation of nitric oxide (NO) release from the vascular endothelium may contribute to some of the gender-associated differences in coronary artery fun...
People would like to communicate, learn, share, create and access information, as well as interact with objects in the physical environment, spontaneously and effortlessly as they go about their everyday lives. The field of Ubiquitous Computing aims to realize the vision that people can live harmoniously with technologies in today’s environment, analogous to the vision of Eden in which people l...
Kodama, I., M. R. Boyett, M. R. Nikmaram, M. Yamamoto, H. Honjo, and R. Niwa. Regional differences in effects of E-4031 within the sinoatrial node. Am. J. Physiol. 276 (Heart Circ. Physiol. 45): H793–H802, 1999.—Effects of block of the rapid delayed rectifier K1 current (IK,r) by E-4031 on the electrical activity of small ball-like tissue preparations from different regions of the rabbit sinoat...
Clark, Howard, Lennell Allen, Erin Collins, Frederick Barr, Leland Dobbs, Gunther Putz, Jon Goerke, and Samuel Hawgood. Localization of a candidate surfactant convertase to type II cells, macrophages, and surfactant subfractions. Am. J. Physiol. 276 (Lung Cell. Mol. Physiol. 20): L452–L458, 1999.—Pulmonary surfactant exists in the alveolus in several distinct subtypes that differ in their morph...
Amemiya, Morimasa, Kaoru Tabei, Eiji Kusano, Yasushi Asano, and Robert J. Alpern. Incubation of OKP cells in low-K1 media increases NHE3 activity after early decrease in intracellular pH. Am. J. Physiol. 276 (Cell Physiol. 45): C711–C716, 1999.—Chronic hypokalemia increases the activity of proximal tubule apical membrane Na1/H1 antiporter NHE3. The present study examined the effect of the incub...
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