Tritiated water
Link between microstructure and tritiated water diffusivity in mortars
... Abstract. Ions and radionuclide diffusivity in concrete is one of the most important factors that determine service life and safety assessment of cement based structures in nuclear power plants and radioactive-waste ...
9
The Permeability of the Shell of the Egg of Teleogryllus Commodus Measured With the Aid of Tritiated Water
... The present experiment, using tritiated water, which can be detected in much lower concentrations than was possible with deuterated water and the equipment then available, aims to obtain[r] ...
9
Water Exchange Across Fish Gills: The Significance of Tritiated Water Flux Measurements
... Water exchange acrossfishgills available for diffusion and the water concentration inside the fish, an apparent diffusional water permeability was calculated: - ^ - ,.. where A is the br[r] ...
16
Use of a Ventilated Capsule and Tritiated Water to Measure Evaporative Water Losses in a Tenebrionid Beetle
... In an earlier study of water loss in desert tenebrionids, Ahearn 1970 sealed different parts of the body of Eleodes armata and found that the abdominal spiracles contributed most to resp[r] ...
6
Isotopic Effects of Tritium during the Growth of White Willow
... free water which is a part of plant intercellular sap (in the form of tritiated water H–O–T), and in organic matter of plants (cellulose, lignin ...
9
In situ monitoring of groundwater radionuclides with emphasis on tritium detection
... detecting tritiated water, which involves the use of Monte Carlo simulations, numerical analysis and the develop- ment of simple scintillator-based detector ...the tritiated water undergoes ...
245
Water Balance and Urine Production in the Australian Arid Zone Crab Holthuisana Transversa
... The permeability to tritiated water hourly exchange fraction = 0-164 and the rate of urine flow 0-47% body weight/day are lower than recorded in other freshwater decapods.. The calculate[r] ...
10
Beta particle energy spectra shift due to self attenuation effects in environmental sources
... is indicated in Fig. 3b by the convergence of the spectra of the 5 µm and 10 µm deep sources. These spectra are the same and do not change as the source gets deeper. Therefore, this is essentially the spectra one would ...
9
Symmetry and Non Linearity of osmotic Flow Across Rectal Cuticle of the Desert Locust
... Average unidirectional fluxes of tritiated water across individual rectal cuticles prepared as perfused everted sacs, during osmotic flow induced by a 1 • 10 osmolal gradient: sucrose in[r] ...
12
The enzymic methylation of uracildeoxyribotide
... Chemical Company, St* Louis, Missouri* Arninopterin was a gift from Dr* Jukes, of Lederle Laboratories, obtained through Dr. R* L. Blakley. Hyamine (hydroxide of Byamine-lOX), i.e. N-j>- (di-isobutyl-cres o x ...
179
F7FE7CFAC73936CC0C6FE16D6BA4FE9 pdf
... mass of solute g number of channels or fibers dimensionless pressure difference dyn/cm2 membrane permeability cm/s membrane permeability of tritiated water cm/s transmembrane Peclet numb[r] ...
28
The Effects of Prolactin and Divalent Ions on the Permeability to Water of Fundulus Kansae
... Fishes maintained in synthetic sea water containing a low concentration of calcium have both a higher rate of exchange of tritiated water and a higher drinking rate than fish in normal s[r] ...
12
Studies on the Permeability To Water Of Selected Marine, Freshwater And Euryhaline Teleosts
... Since it can be calculated Evans, 1967c that drinking and urine flow amount to only 1 % of the gross flux of tritiated water, these data indicate that in euryhaline teleosts the permeabi[r] ...
15
The urinary bladder as a physiological reservoir that moderates dehydration in a large desert lizard, the Gila monster Heloderma suspectum
... Tritiated water absorption and relative absorption rate The Gila monster urinary bladder can function as a physiological reservoir because it is permeable to water, and long-term urine storage ...
9
The effects of calcium on water balance of the brown trout Salmo trutta
... Water space, tritiated water flux, drinking and urine flow rates of the brown trout were decreased by increasing the environmental calcium concentration.. DifTusional and osmotic permeab[r] ...
14
SPATIAL RELATIONSHIPS IN THE REPLICATION OF CHROMOSOMAL DNA
... Cultured cells of the marsupial, Potorous tridactylis, were exposed to pulses of tritiated thymidine, and distribution of the label was observed over two mitotic divisions by [r] ...
15
A comparative study of a flow cytometry based assessment of in vitro Plasmodium falciparum drug sensitivity
... the tritiated hypoxanthine incorporation assay (THA), the colorimetric measurement of Plasmodium lac- tate dehydrogenase (LDH), the Sybr Green plate reader assay (SGPR) and light microscopic (LM) cell count were ...
11
Surface immunoglobulin on activated human peripheral blood thymus derived cells
... The degree of lymphocyte stimulation expressed as uptake of tritiated thymidine at each sampling time after mitogenic stimulation was correlated with the number of large and small rosett[r] ...
11
Measurement of regional neuronal removal of norepinephrine in man
... We describe here and validate an in vivo technique to measure the regional proportionate removal of norepinephrine (NE) by neuronal uptake (Uptake1) in man. The measurement is based on the steady-state arterial and ...
8
Effect of adenosine deaminase inhibition upon human lymphocyte blastogenesis
... The effects of exogenous cyclic AMP upon tritiated thymidine uptake were similar to those of adenosine, with stimulation at low doses, inhibition at millimolar concentrations, potentiati[r] ...
10