نتایج جستجو برای: antioxidant enzyme assay

تعداد نتایج: 503331  

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2013
ashok kumar b.s saleemulla khan gopi setty saran naveen kumar lokanath v

background & aim: singhnad guggulu is a traditional ayurvedic formula for detoxifying and rejuvenating the joints. the present study was to investigate the α-amylase inhibition and antioxidant activities of aqueous extract of singhnad guggul (aesg). experimental: α-amylase inhibition assay by dinitro-salicylic acid method and antioxidant activity by ferric chelating and ferrous reducing ass...

2011
Melanie J. Sullivan-Gunn Siun P. Campbell-O’Sullivan Michael J. Tisdale Paul A. Lewandowski

BACKGROUND: Cancer cachexia is the progressive loss of skeletal muscle protein that contributes significantly to cancer morbidity and mortality. Evidence of antioxidant attenuation and the presence of oxidised proteins in patients with cancer cachexia indicate a role for oxidative stress. The level of oxidative stress in tissues is determined by an imbalance between reactive oxygen species prod...

Journal: :Journal of agricultural and food chemistry 2009
Stéphanie Dudonné Xavier Vitrac Philippe Coutière Marion Woillez Jean-Michel Mérillon

Aqueous extracts of 30 plants were investigated for their antioxidant properties using DPPH and ABTS radical scavenging capacity assay, oxygen radical absorbance capacity (ORAC) assay, superoxide dismutase (SOD) assay, and ferric reducing antioxidant potential (FRAP) assay. Total phenolic content was also determined by the Folin-Ciocalteu method. Antioxidant properties and total phenolic conten...

Journal: :hepatitis monthly 0
behrouz naeimi department of microbiology and parasitology, faculty of medicine, bushehr university of medical sciences, bushehr, ir iran; the persian gulf tropical medicine research center, bushehr university of medical sciences, bushehr, ir iran farnaz mazloom kalimani student research committee, bushehr university of medical sciences, bushehr, ir iran ali akbar pourfatolah department of immunology, faculty of medical sciences, tarbiat modares university, tehran, ir iran masoud azimzadeh student research committee, bushehr university of medical sciences, bushehr, ir iran alireza mankhian bushehr blood transfusion organization, bushehr, ir iran samad akbarzadeh department of biochemistry, faculty of medicine, bushehr university of medical sciences, bushehr, ir iran

conclusions high hev seroprevalence (16.7%) was observed among the blood donors in bushehr province. it appears that exposure to hev increases with age; although, more people should be examined. results overall, 105 (16.7%) blood samples were positive for hev-specific-igg antibodies, while 523 (83.8%) were negative. the presence of anti-hev igg was not associated with gender; however, it was co...

Journal: :jundishapur journal of microbiology 0
ramezan ali ataee department of medical microbiology, faculty of medicine, baqiyatallah university of medical sciences, tehran, ir iran reyhane kashefi department of microbial biotechnology, faculty of science, payame noor university, tehran, ir iran; department of microbial biotechnology, faculty of science, payame noor university, tehran, ir iran. tel: +98-989122190418, fax: +98-2126127258 gholam hossein alishiri department of rheumatology, faculty of medicine, baqiyatallah university of medical sciences, tehran, ir iran davoud esmaieli department of medical microbiology, faculty of medicine, baqiyatallah university of medical sciences, tehran, ir iran

background rheumatoid arthritis (ra) is the most common chronic inflammatory disease. the staphylococcal superantigens are considered as the causative agent of ra disease. objectives this study aimed to assess the presence of staphylococcal enterotoxin d in synovial fluid and blood of patients with ra. patients and methods a total of 120 blood and sf samples of patients with ra were studied. ba...

Journal: :archives of pediatric infectious diseases 0
shahnaz armin pediatric infections research center, shahid beheshti university of medical sciences, tehran, ir iran; pediatric infections research center, mofid children’s hospital, tehran, ir iran. tel: +98-9121099758, fax: +98-2122226941سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) farhad mahvelati shamsabadi pediatric infections research center, shahid beheshti university of medical sciences, tehran, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) azadeh kiomarci pediatric infections research center, shahid beheshti university of medical sciences, tehran, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) farzane jadali pediatric infections research center, shahid beheshti university of medical sciences, tehran, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences)

background the etiology of the guillain-barre syndrome (gbs) is not clear; in many cases, gbs is triggered by a bacterial or viral illness. objectives to evaluate the role of active infection with herpesviridae group and its association with this syndrome we have investigated the cerebrospinal fluid (csf) and serum of patients with gbs for detection of these viruses. patients and methods in a pr...

Journal: :medical journal of islamic republic of iran 0
ghasem mosayyebi from the dept. of immunology, school of public health, tehran university of medical sciences jafar forghanizadeh the dept. of rheumatology, hazrate rasool hospital, iran university of medical sciences banafsheh gholestan the dept. of statistics and epidemiology, school of public health, tehran university of medical sciences, tehran, i.r. iran. fazel shokri from the dept. of immunology, school of public health, tehran university of medical sciences

total igm, iga, and igm-rheumatoid factor (rf) and iga-rf were quantitated in the serum and synovial fluid of 35 seropositive and 8 seronegative rheumatoid arthritis (ra) patients, using a sensitive enzyme-linked immunosorbent assay (elisa). mononuclear cells isolated from peripheral blood and synovial fluid of three seropositive patients were also stimulated in vitro with phorbol myristate ace...

Journal: :Applied sciences 2023

Waste generated in mushroom cultivation represents a valuable raw material with health benefits, the use of which contributes to reduction food waste and circular economy. Hydroethanolic extracts obtained by ultrasound-assisted extraction four edible species (Agaricus bisporus var. Portobello, Boletus edulis, Lentinula edodes, Pleurotus ostreatus) were characterized according their antioxidant,...

Journal: :Journal of pharmaceutical research international 2021

Aims: The membrane associated tyrosinase is an enzymatically active monomeric glycoprotein which purified to only a low degree. It has gained importance in the present era due its antioxidant and immunomodulatory properties as well applications industry. Moreover role synthesis of melanin skin for protection from UV radiations also paved way towards better understanding this enzyme.
 Study...

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