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Uptake of ingested uranium after low "acute intake".
The uptake of uranium, ingested as a soluble compound, was studied by monitoring the uranium level in urine by inductively coupled plasma mass spectrometry and through measurement of an isotopic… Expand
Phenylethylamine and tyramine are mixed-acting sympathomimetic amines in the brain.
On the helical strip of a capacitance vessel, the pulmonary artery of the rabbit, phenylethylamine (PEA) and tyramine act solely via displacement of noradrenaline from their storage sites and this… Expand
Inductively coupled plasma mass spectrometry as a simple, rapid, and inexpensive method for determination of uranium in urine and fresh water: comparison with LIF.
A simple method, based on inductively coupled plasma mass spectrometry, for determination of uranium in urine at levels that indicate occupational exposure, is presented. Sample preparation involves… Expand
Uranium in urine--normalization to creatinine.
"Spot samples" of urine are routinely used to monitor occupational exposure to uranium and other toxic heavy metals, such as mercury, lead, and cadmium. In the present work, it was shown that diurnal… Expand
(-)Deprenyl and (-)1-phenyl-2-propylaminopentane, [(-)PPAP], act primarily as potent stimulants of action potential-transmitter release coupling in the catecholaminergic neurons.
The activity of the catecholaminergic neurons in the rat brain is enhanced significantly 30 min after the subcutaneous injection of very small doses of (-)deprenyl (threshold doses: 0.01 mg/kg for… Expand
Drugs affecting the tetrodotoxin-sensitive ("fast") sodium mechanism in the cardiac cell membrane.
Prostacyclin, a newer member of the prostaglandin family, has been shown to stimulate the fast sodium system in the heart. A stimulatory effect of celluline-A, a biological Ca complex obtained from… Expand
Effect of light fluence rate on mammalian cells photosensitization by chloroaluminium phthalocyanine tetrasulphonate.
- E. Ben-Hur, R. Kol, E. Riklis, R. Marko, I. Rosenthal
- Biology, Medicine
- International journal of radiation biology and…
- 1 March 1987
Phthalocyanines are photosensitizers evaluated for use in photodynamic therapy of cancer. As such, the dependence of the bioresponse on the light fluence rate may be of clinical importance. The… Expand
Trends and developments in radioprotection: the effect of nicotinamide on DNA repair.
Recent studies point to the naturally occurring molecules in expression of radiation damage and in protection. DNA repair was shown to be one of the parameters that can be modified to attain improved… Expand
Increased radioprotection attained by DNA repair enhancement.
Combined action of phthalocyanine photosensitization and gamma-radiation on mammalian cells.
- E. Ben-Hur, R. Kol, R. Marko, E. Riklis, I. Rosenthal
- Biology, Medicine
- International journal of radiation biology
- 1 July 1988
The response of Chinese hamster cells and human lymphocytes to the combined action of photosensitization by chloroaluminium phthalocyanine tetrasulfonate and gamma-radiation was studied using… Expand