نتایج جستجو برای: nitric oxide scavenging assay

تعداد نتایج: 408576  

2010
Mohammad Ali Ebrahimzadeh Seyed Mohammad Nabavi Seyed Fazel Nabavi Bahman Eslami Zahra Rahmani

Purpose: To investigate the antioxidant and antihaemolytic properties of the leaves of Laser trilubum grown in Gaduk, Iran. Methods: The antioxidant and antihaemolytic activities of the hydroalcohol extract of L. trilobum L. leaf were investigated by haemoglobin-induced linoleic acid peroxidation, scavenging of 1,1-diphenyl-2-picryl hydrazyl (DPPH) radical, nitric oxide and hydrogen peroxide, a...

Journal: :European review for medical and pharmacological sciences 2011
M A Ebrahimzadeh S M Nabavi S F Nabavi A A Dehpour

OBJECTIVES Ferula gummosa Boiss is native to central Asia. This plant has traditionally been used in the treatment of many diseases. The antihypoxic and antioxidant activities of Ferula gummosa roots were investigated. MATERIAL AND METHODS 1,1-diphenyl-2-picryl hydrazyl radical (DPPH), nitric oxide and hydrogen peroxide scavenging activities, Fe2+ chelating ability, reducing power and hemoglo...

2014
P. Nayak D. M. Kar S. Nayak

Article history: Received on: 27/07/2014 Revised on: 08/08/2014 Accepted on: 24/08/2014 Available online: 27/09/2014 The plant Hyptis is an effective medicinal herb and a well known medicinal plant in herbal world. The present study was aimed to investigate the α-amylase inhibition and antioxidant activities of chloroform fraction of H. suaveolens. Chloroform fraction of H. suaveolens was scree...

Background and purpose: The genus Vicia (Papilionaceae) contains 45 species in Iran. This investigation was designed to study the impact of extraction methods on total phenolic and flavonoid contents and antioxidant activities of V. hirsuta aerial parts. Materials and methods: In this experimental study the efficiencies of three extraction methods i.e. Maceration, Soxhlet, and ultrasonically a...

2014
Preethi Soysa Irushi Shamalika De Silva Jayantha Wijayabandara

BACKGROUND Flueggea leucopyrus Willd is a shrub grown in many parts of the dry zones in Sri Lanka. The leaves of F. leucopyrus has been used for treating cancer in the traditional system of medicine in Sri Lanka. Hence, this study was performed to analyze the antioxidant and antiproliferative properties of the aqueous extract of the leaves of F. leucopyrus on HEp-2 cells. METHOD The aqueous e...

2013
Yihunie Ayele Jung-Ah Kim Eunhee Park Ye-Jung Kim Negussie Retta Gulelat Dessie Sang-Ki Rhee Kwangoh Koh Kung-Woo Nam Hee Seon Kim

This study examined the total polyphenol content of eight wild edible plants from Ethiopia and their effect on NO production in Raw264.7 cells. Owing to its relatively high polyphenol concentration and inhibition of NO production, the methanol extract of Adansonia digitata L. leaf (MEAD) was subjected to detailed evaluation of its antioxidant and anti-inflammatory effects. Antioxidant effects w...

دیلمی اصل , عبدالحسین, رودبارمحمدی , شهلا, زواران حسینی , احمد, شریفی , زهره, صلح جو , کاووس, عبداله پور , معصومه, غفاری فر , فاطمه, قاسمی نیکو , سکینه,

Background and purpose : Toxoplasma gondii is an obligate interacelullar parasite that infect a wide variety of nucleated cells in its intermediate hosts. Tachyzoites of Toxoplasma gondii in able to multiply in mouse macrophages. Inducing synthesis of nitric oxide (NO) by macrophages is an important mechanism of the host defense against interacelullar infection in mice. The 1.25 dihydroxy vit...

Journal: :Advanced Materials 2021

Hydrogels In article number 2008793, Won Jong Kim and co-workers introduce an injectable in situ polymeric aggregate-embodied hybrid hydrogel (M-NO gel) to achieve nitric oxide (NO)-scavenging sequential drug-release for the combinatorial treatment of rheumatoid arthritis. This novel M-NO gel platform incorporated with a “clickable” NO-cleavable crosslinker is expected prove guideline various N...

Journal: :The European respiratory journal 2001
S J Linnane A G Thin V M Keatings J B Moynihan P McLoughlin M X FitzGerald

In cystic fibrosis (CF), low concentrations of exhaled nitric oxide (NO) and reduced expression of inducible nitric oxide synthase (iNOS) in airway epithelium have been reported. However, abundant iNOS expression has been found in the subepithelial tissues and elevated concentrations of NO metabolites in breath condensate and sputum. These conflicting results may be explained by increased scave...

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