منابع مشابه
Specific Binding of Rubidium in Chlorella
Specific binding sites for potassium, which may be components of the carriers for active transport for K in Chlorella, were characterized by their capacity to bind rubidium. A dense suspension was allowed to take up Rb(86) from a low concentration of Rb(86) and a high concentration of ions which saturate non-specific sites. The amount bound was derived from the increase in the external concentr...
متن کاملThe Chemistry of Sites Binding Rubidium in Chlorella
The chemistry of sites that specifically bind Rb in Chlorella pyrenoidosa has been investigated by changing or modifying specific chemical groups or bonds in the cell and observing changes in binding capacity. Boiling the cells in water or in 70 per cent ethanol did not affect binding capacities of the sites. These results suggest that the integrity of the sites is independent of both hydrogen ...
متن کاملIon Absorption and Retention by Chlorella Pyrenoidosa. II. Permeability of the Cell to Sodium and Rubidium.
The Na and Rb permeability of Chlorella pyrenoidosa were estimated from the rates of radioisotope self-diffusion.The isotopic exchange in absence of net ionic movements followed first order kinetics. This suggested that for sodium, which reached isotopic equilibrium in approximately 90 minutes, the cell behaved as 1 compartment with respect to isotopic exchange. Rubidium in 180 minutes approach...
متن کاملIon Absorption and Retention by Chlorella pyrenoidosa. III. Selective Accumulation of Rubidium, Potassium and Sodium.
The selective preference of Chlorella pyrenoidosa for alkali metal cations was found to have the order Rb > K > > > Na. It was demonstrated that a cation of higher preference can replace in the cell cations of lower preference by an ion interchange process.The replacement of Na from the cell by K or Rb occurred against high external Na concentrations up to 450 meq/1 Na.It is suggested that the ...
متن کاملstrategies applied in translation of culture-specific items in translation of the i. r. i. constitution &the civil code (from persian into english(
این تحقیق به بررسی استراتژیهای بکاررفته توسط مترجمین مختلف در ترجمه واژه های فرهنگی خاص در ترجمه فارسی به انگلیسی قانون مدنی و قانون اساسی جمهوری اسلامی ایران میپردازد.این تحقیق بر اساس نظریه پیتر نیومارک صرت گرفته است. در این تحفیق واژه های فرهنگی خاص اقتباس شده و پس از مقایسه با متن مبدا به بررسی انها پرداخته می شود.در قسمت ضمائم تحقیق واژه نامه ای برای اشنایی خوانندگان با لغات و اصطلاحات حقو...
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ژورنال
عنوان ژورنال: Journal of General Physiology
سال: 1962
ISSN: 1540-7748,0022-1295
DOI: 10.1085/jgp.45.5.959