Results 241 to 250 of about 676,531 (303)

Comparing the Sedative Effect of Dexmedetomidine and Propofol in Mechanically Ventilated Patients Using Salivary Alpha-Amylase as a Stress Marker: A Randomized Open-Label Trial. [PDF]

Anesth Pain Med
Mohamed Ibrahim A, Said ElSharkawy M, Khalil Abdelrahman R, Elabd Hassan A, Gaber Ibrahim Saad M, Ahmed Elzoughari I, Hussini Ismail Alsayed A, Abdelbadie A, Abd El Fattah Helal R.   +8 more
europepmc   +1 more source

Determinants of the diurnal course of salivary alpha-amylase

Psychoneuroendocrinology, 2007
Objective: Previous data from our group and others have shown that salivary alpha-amylase activity increases in response to stress. It has been suggested that salivary alpha-amylase may be a marker for adrenergic activity.
Urs M Nater, Nicolas Rohleder, Wolff Schlotz   +2 more
exaly   +2 more sources

Human salivary alpha-amylase reactivity in a psychosocial stress paradigm

International Journal of Psychophysiology, 2005
Biological indicators for stress reactions are valuable markers in psychophysiological research and clinical practice. Since the release of salivary enzyme alpha-amylase was reported to react to physiological and psychological stressors, we set out to ...
Urs M Nater, Nicolas Rohleder, Jens Gaab   +2 more
exaly   +2 more sources

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Enzyme Immunoassay for Alpha-Amylase

Journal of Immunoassay, 1983
A sensitive sandwich enzyme immunoassay has been developed for quantitation of alpha-amylase in pig pancreas. The alpha-amylase-antibody conjugate was prepared from horseradish peroxidase coupled with antibodies to hog pancreas alpha-amylase. With this method the measuring range is 1-10 ng/ml and the detection limit is 0.2 ng/ml.
K A, Sobiech, R, Slowinska
openaire   +2 more sources

Bacterial Alpha-Amylase Inhibitors

Zentralblatt für Mikrobiologie, 1983
Summary The effect of 5 growth regulators at concentrations of 50, 100, and 1000 ppm on the activity of B. subtilis-37 alpha-amylase was studied. Indol butyric acid (IBA) did not inhibit alpha-amylase activity at concentrations of 50 to 1000 ppm. The other 4 growth regulators, 6-furfurylamino-purine, gibberellic acid, naphthalene acetic acid, and ...
M S, Safwat, S A, Mahmoud, R M, Attia, M, Abd-El-Nasser, F S, Ali   +4 more
openaire   +2 more sources

Action of Certain Alpha Amylases

1950
Publisher Summary This chapter discusses two main types of amylases; the dextrinogenic, liquefying or alpha amylases, and the saccharogenic or beta amylases. The former cause rapid fragmentation of starches to reducing dextrins which give no color with iodine (dextrinogenic action) and rapid decrease in the viscosity of starch pastes (liquefying ...
M L, CALDWELL, M, ADAMS
openaire   +2 more sources

Biochemistry of Human Alpha Amylase Isoenzymes

CRC Critical Reviews in Clinical Laboratory Sciences, 1985
The purpose of this article is to review recent literature on the isoenzymes of alpha amylase. Although some studies are cited from the literature of fields other than clinical biochemistry, the aim is to bring together findings that may be of interest to clinical laboratory physicians and scientists.
J J, Zakowski, D E, Bruns
openaire   +2 more sources

Alpha-amylase production by toxigenic fungi

Natural Product Research, 2010
This study is concerned with the screening of Alternaria alternata (Fr.) Keissler and Alternaria tenuissima (Kunze ex Pers.) Wilts strains for the biosynthesis of alpha-amylases. Nine strains of A. alternata and three strains of A. tenuissima were grown on enzyme production medium (EPM) and potato dextrose agar (PDA) using three pH levels (4.5-6.5 ...
Sobiya, Shafique, Rukhsana, Bajwa, Shazia, Shafique   +2 more
openaire   +2 more sources

Plant alpha-amylase inhibitors and their interaction with insect alpha-amylases.

European journal of biochemistry, 2002
Insect pests and pathogens (fungi, bacteria and viruses) are responsible for severe crop losses. Insects feed directly on the plant tissues, while the pathogens lead to damage or death of the plant. Plants have evolved a certain degree of resistance through the production of defence compounds, which may be aproteic, e.g.
Octávio L, Franco, Daniel J, Rigden, Francislete R, Melo, Maria F, Grossi-De-Sá   +3 more
openaire   +1 more source

alpha-Amylase in resectable lung cancer

European Respiratory Journal, 1994
Biochemical analysis and immunohistochemical techniques support the theory that hyperamylasaemia in lung cancer is due to amylase production in carcinoma cells. The vast majority of amylase-producing carcinomas are adenocarcinomas with amylase isoenzyme similar to the salivary type. This prospective study assesses alpha-amylase expression in resectable
P, Lenler-Petersen, A, Grove, A, Brock, R, Jelnes   +3 more
openaire   +2 more sources