نتایج جستجو برای: cholinesterase determination

تعداد نتایج: 255685  

Journal: :Journal of Agromedicine and Medical Sciences (AMS) 2021

Increase in blood glucose levels can be caused by the long-term use of pesticides farmers. This study aims to determine whether there is a correlation between activity cholinesterase as an indicator exposure and farmers Mlokorejo Village, Jember Regency. The research method observational-analytic with cross-sectional design. Data form general characteristics sample were obtained through intervi...

2009
Miroslav Pohanka Ladislav Novotný Jan Misík Kamil Kuca Jana Zdarova-Karasova Martina Hrabinova

Cholinesterase activity in blood of laboratory rats was monitored. Rats were intoxicated with paraoxon at dosis of 0 - 65 - 125 - 170 - 250 - 500 nmol. The 250 nmol dose was found to be the LD(50). An electrochemical sensor was found useful to provide information about cholinesterase activity. The decrease of cholinesterase activity was correlated to intoxication symptoms and mortality level. I...

Journal: :Investigative ophthalmology 1963
J R WOLTER N T O'KEEFE

Neroe endings and deposits of cholinesterase were stained in frozen sections of five normal striated human eye muscles with a stain that combines the neroe fiber techniijue of Hortega and the method of Koelle and Friedenwald for the demonstration of cholinesterase. Cholinesterase deposits are found at the base of the motor end plates. Dense cholinesterase deposits can also he found around thin ...

2013
M. H. SLEISENGER T. P. ALMY H. GILDER G. PERLE

In the past few years there has been renewed interest in the study of serum cholinesterase in various disease states, particularly those affecting the liver. Recently, a colorimetric method for the determination of this enzyme in the serum was reported by Ravin, Tsou, and Seligman (1). Their method, simple to perform, is as accurate as the gastrometric technique and more specific than the elect...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2013
Markéta Kovárová Karel Komers Sárka Stepánková Patrik Parík Alexander Cegan

A new and simple analytical method is described for the determination of the IC50 values of the inhibitors of the hydrolysis of acetylcholine (ACh) or acetylthiocholine (ATCh) by cholinesterases. The method is based on monitoring the time course of the pH value during the uninhibited and inhibited reaction. It requires only a pH meter with a suitable pH measuring cell and a small thermostated s...

Journal: :Clinical pharmacokinetics 2002
Michael W Jann Kara L Shirley Gary W Small

Cholinesterase inhibitors are the 'first-line' agents in the treatment of Alzheimer's disease. This article presents the latest information on their pharmacokinetic properties and pharmacodynamic activity. Tacrine was the first cholinesterase inhibitor approved by regulatory agencies, followed by donepezil, rivastigmine and recently galantamine. With the exception of low doses of tacrine, the c...

Journal: :iranian journal of psychiatry 0
nazir hashemi abad department of psychiatry, faculty of medicine, yasouj university of medical science, yasouj, iran najafi shala doulatabad department of nursing, college of nursing & midwifery, yasouj university of medical science, yasouj, iran ali mohammadi department of psychiatry, faculty of medicine,yasouj university of medical science, yasouj, iran hamid reza ghafarian srazi department of social medicine, faculty of medicine; yasouj university of medical sciences, yasouj, iran department of epidemiology and biostatistics, tehran university of medical sciences, school of public health, tehran, iran

schizophrenia and various neurological disorders have some signs and symptoms. visual hallucinations are one of such disorders. the related studies in some diseases for example parkinson disease and lewy body dementia indicate that acetylcholine (ach) plays a significant role in neuropsychiatric manifestation and its association with visual hallucination; therefore, visual hallucinations occur ...

Journal: :Plant physiology 1973
J Riov M J Jaffe

2-Isopropyl-4-dimethylamino-5-methylphenyl-1-piperidine carboxylate methyl chloride (AMO-1618) inhibits the activity of a cholinesterase isolated from mung bean (Phaseolus aureus) roots at concentrations comparable to those which retard growth and inhibit development of secondary roots of bean seedlings. Fifty per cent inhibition of the cholinesterase activity occurred at 0.21 mm. Inhibition of...

Journal: :The Journal of clinical investigation 1953
M H SLEISENGER T P ALMY H GILDER G PERLE

In the past few years there has been renewed interest in the study of serum cholinesterase in various disease states, particularly those affecting the liver. Recently, a colorimetric method for the determination of this enzyme in the serum was reported by Ravin, Tsou, and Seligman (1). Their method, simple to perform, is as accurate as the gastrometric technique and more specific than the elect...

Journal: :Journal of Medical Genetics 1987

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