Now showing items 21-30 of 41
Cholinergic mechanisms in the cat vestibular system
(Elsevier, 1975-03)
A neuropharmacological study was undertaken in the cat to obtain further evidence of the role of acetylcholine in vestibular function. It was shown that the vestibular nerve contains about half or less the enzymatic activity ...
Regulatory effects of steroids on the pituitary response to LH-RH
(Elsevier, 1975-06)
The pituitary response to a continuous i.v. LH-RH administration (15 [mu]g/h/3 h) associated with physiological or pharmacological doses of several steroid hormones such as estradiol (E2), progesterone, 17[alpha]OH-progesterone, ...
Radioiodination of sulfhydryl-sensitive proteins
(Elsevier, 1975-08)
A new procedure is described for the radioiodination of proteins with sulfhydryl groups essential for their biological activity. Aniline is iodinated with 125I-labeled sodium iodide in the presence of chloramine-T, the ...
A microscale isolation of hemins from hemeproteins by use of polyacrylamide gel electrophoresis
(Elsevier, 1975)
An analytical and semipreparative procedure has been developed for the isolation of the prosthetic groups of various hemeproteins by use of polyacrylamide gel electrophoresis. Electrophoresis of erythrocyte formylhemeprotein ...
Low-temperature heat capacities of molybdenum tri- and tetrachlorides
(Elsevier, 1975-06)
No thermal anomalies were detected in the heat capacities of MoCl3 and MoCl4 determined by adiabatic calorimetry from 5 to 350 K. The heat capacity Cp(298.15 K), entropy {So(298.15 K) - So(0)}, and the function {Go(298.15 ...
Synthetic inhibitors of glucocerebroside [beta]-glucosidase
(Elsevier, 1975-02)
The glucocerebrosidase of human placenta was studied with various potential inhibitors. Several compounds that resemble the lipoidal product of enzyme action, ceramide, proved to be excellent inhibitors, acting by mixed ...
Low-temperature heat capacities of molybdenum diselenide and ditelluride
(Elsevier, 1975-07)
The low-temperature heat capacities of MoSe2 and MoTe2 have been determined for technological and scientific reasons. Both compounds in their hexagonal form have a lamellar sandwich-layer structure and in confirmation of ...
Food- and drug-reinforced responding: Effects of DITA and d -amphetamine
(Springer-Verlag, 1975-01)
Intravenous pretreatment with DITA (0.1–1.0 mg/kg) decreased the rate of food-reinforced lever pressing in rhesus monkeys. Response rate decreases were dose-dependent but showed the development of tolerance. Self-administration ...
The effect of proteoglycans on the formation of fibrils from collagen solutions
(Elsevier, 1975)
The precipitation of collagen fibrils from solutions at 37 [deg]C and approximately physiological pH and ionic strength is retarded markedly in the presence of small amounts of proteoglycan monomer (PGS), proteoglycan ...