نتایج جستجو برای: bronsted acid

تعداد نتایج: 747476  

Journal: :iranian journal of pharmaceutical research 0
nafiseh khandouzi department of nutrition & biochemistry, school of nutritional sciences & dietetics, tehran university of medical sciences farzad shidfar department of nutrition & biochemistry, school of nutritional sciences & dietetics, tehran university of medical sciences shahram agah gastrointestinal & liver disease research center, tehran university of medical sciences agha fatemeh hosseini department of math and statistics, school of health management and information sciences, tehran university of medical sciences afsaneh dehnad department of foreign languages, school of health management and information sciences, tehran university of medical sciences

helicobacter pylori infection, the most common chronic bacterial infection in the world, and an important cause of gastrointestinal disorders, may be involved in the pathogenesis of some extra-gastrointestinal disturbances, as well as an increase in blood levels of certain inflammatory markers. anti-bacterial activity against helicobacter pylori and anti-inflammatory properties of omega-3 fatty...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2014
maryam vakilzade anaraki forough mortazaeinezhad fariba khalili mohamad mahdi gheisari mahtab esfahanizadeh hosseinpoor

background & aim: turmeric, scientifically named (curcuma longa l.), a member of ginger (zingiberaceae) family, is a perennial plant, with pharmaceutical properties and with a rhizome. this plant has many medicinal characteristics including anti-cancer, anti-bacteria and anti-hepatitis properties. experimental: to study the effects of gibberellic acid and salicylic acid on leaf, the rhizome...

Journal: :iranian journal of veterinary research 2009
rowghani, e. rowghani m. j. zamiri

the effects of a microbial inoculant (containing propionic and lactic acid bacteria) and formic acid onchemical composition, ruminal degradability of dry matter (dm) and nutrient digestibility of corn silage wereexamined. whole-plant corn was ensiled for 60 days in plastic polyethylene bags, and three treatments werecompared, 1: control (no additive), 2: propionibacterium acidipropionici plus l...

Journal: :research journal of pharmacognosy 2016
y. amanzadeh h. hajimehdipoor z. abedi m. khatamsaz

background and objectives: amygdalus with a number of endemic species grow vastly in iran. edible sweet almond (a. communis), is cultivated in many countries due to its pharmaceutical, nutritional and cosmetic importance; while almond oil which is rich in oleic acid is known for its economic interest. in the present study, the amount and constituents of oil of six amygdalus species including a....

2001
James C. Fishbein Howard Baum Michael M. Cox

The reaction of phenyl acetate with pyrazole is catalyzed by general bases and by bifunctional general acids. The Br~lnsted plot for general base catalysis shows downward curvature. It is consistent with either a Hammond effect on proton transfer, as described by a positive coefficient p x = a/3/-apKAH, or separate lines with p = 0.65 for cacodylate and substituted acetate monoanions and /3 = 0...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم پایه 1393

در این پژوهش، گیاه گز سروتینا (tamarix serotina) از اطراف شهرستان بیرجند جمع آوری شد. اندام های مختلف آن (گل، برگ، ساقه و ریشه) جدا، خشک و پودر گردید. جهت بررسی فیتوشیمیایی، عصاره اندام های مختلف به روش خیساندن در 4 حلال آب، اتانول، استون و کلروفرم تهیه و از عصاره به دست آمده برای تشخیص متابولیت های ثانویه و تعیین مقدار فنل کل، تانن و فلاونوئید استفاده گردید. فعالیت آنتی اکسیدانی گیاه در غلظت ه...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده مهندسی 1393

در این پایان نامه مدل¬سازی ترمودینامیکی حلالیت گازهای اسیدی h_2 s و ?co?_2 در محلول¬های آلکانول آمینی mea، dea، mdea، amp، dipa، tea، dga و pz توسط معادله حالت الکترولیتی¬مکعبی¬چاه-مربعیecsw انجام گردیده است. بیش از 2600 داده¬ی آزمایشگاهی در این پروژه مورد برازش قرار گرفته است. و درصد خطاهای قابل قبولی برای سامانه¬های آب+آلکانول آمین+گاز اسیدی بدست آمده است. همچنین پیش¬بینی سامانه¬های چهار جزئی...

Journal: :iranian endodontic journal 0
miriam zaccaro scelza fernando de noronha licinio esmeraldo da silva university federal fluminense marcos maurício marco antonio gallito pantaleo scelza

introduction: the aim of this in vitro study was to evaluate the effect of 10% citric acid and 17% ethylenediaminetetraacetic acid (edta) irrigating solutions on the surface morphology of young and old root dentin by determining the number and diameter of dentinal tubules using scanning electron microscopy (sem). methods and materials: fifty healthy human teeth collected from young (≤30 years) ...

Journal: :iranian journal of cancer prevention 0
b fekry department of biochemistry, university of mysore, mysore-570 006, india m siddaiah department of biochemistry, university of mysore, mysore-570 006, india kp srinivas department of biochemistry, university of mysore, mysore-570 006, india rv nunna department of biochemistry, university of mysore, mysore-570 006, india sd banerjee tufts university school of medicine, boston, usa karuna kumar mortha department of biochemistry, university of mysore, mysore-570 006, india

background: analysis of human cancer serum has revealed the presence of high amounts of hyaluronan (hyaluronic acid, ha) when compared to human normal serum, it is well documented that ha and its receptors, known as hyaladherins (habps) are involved in matrix regulation, cell proliferation, migration and malignant tumour progression. these hyaladherins not only interact with hyaluronan at the m...

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