نتایج جستجو برای: ellman method

تعداد نتایج: 1630219  

Journal: : 2021

Alzheimer hastalığı (AH) öncelikli olarak yaşlı popülasyonda görülen, klinik bellek ve bilişsel bozukluklar ile karakterize, ilerleyici nörodejeneratif bir hastalıktır. 
 Hastalığın etiyolojisinin henüz tam belirlenememiş olması, hasta popülasyonunun yıllar geçtikçe artması, radikal tedavinin olmayışı, tedavi bakım maliyetinin oldukça yüksek hastaların yaşam kalitesini düşürmesi gibi sebep...

Journal: :research journal of pharmacognosy 0
h. hajimehdipoor traditional medicine and materia medica research center and department of traditional pharmacy, school of traditional medicine, shahid beheshti university of medical sciences, tehran, iran. l. ara traditional medicine and materia medica research center, shahid beheshti university of medical sciences, tehran, iran. h. moazzeni department of botany, research center for plant sciences, ferdowsi university of mashhad, mashhad, iran. s. esmaeili traditional medicine and materia medica research center and department of traditional pharmacy, school of traditional medicine, shahid beheshti university of medical sciences, tehran, iran.

background and objectives:alzheimer’s disease (ad) is a neurodegenerative disorder. nowadays, many investigations are performed to find new drugs for ad and medicinal plants are considered as one of the most important sources for developing new drugs. according to the role of oxidant agents and acetylcholinesterase enzyme (ache) in ad, plants with antioxidant and ache inhibition properties coul...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم پایه دامغان 1389

in this thesis, ‎‎using‎‎ ‎concept‎s‎ ‎of‎ ‎wavelet‎s‎ ‎theory ‎‎‎som‎e‎ ‎methods‎‎ ‎of‎ ‎th‎e ‎solving‎‎ ‎optimal‎‎ ‎‎con‎tr‎ol‎ problems ‎(ocps)‎‎. ‎g‎overned by time-delay systems is investigated. ‎th‎is‎ thesis contains ‎tw‎o parts. ‎‎first, the method of obtaining ‎o‎f ‎the‎ ‎‎ocps‎ in time delay systems by linear legendre multiwavelets is ‎ ‎presented‎.‎‎‎‎ the main advantage of the meth...

Journal: : 2023

The pandemic of coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome 2 (SARS-CoV-2) has made a serious public health threat worldwide. It many complications and deaths, so millions people are at risk in more countries. A special group consists patients with chronic diseases, particularly osteoarthritis. is known that development osteoarthritis associated oxidative...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1997
A W Czarnik

To Pasteur’s famous dictum, ‘‘Chance favors the prepared mind,’’ could arguably be added the corollary, ‘‘As the number of chances increases, so increases the effect of favor.’’ It is nearly a truism that a great many important discoveries in chemistry originated not from careful design, but from astute observations of unintended experiments. Suppose, then, that creativity were applied to the t...

Leutea avicenniae Mozaff. belongs to Apiaceae family is an endemic species distributed in the west of Iran. The aim of this study was to investigate the antioxidant activity and acetylcholinestrase (AchE) inhibition of the crude extract, fractions and isolated compounds from methanolic fraction of L. avicenniae. Five compounds were detected from methanol fraction, three phenolic compounds as p-...

Leutea avicenniae Mozaff. belongs to Apiaceae family is an endemic species distributed in the west of Iran. The aim of this study was to investigate the antioxidant activity and acetylcholinestrase (AchE) inhibition of the crude extract, fractions and isolated compounds from methanolic fraction of L. avicenniae. Five compounds were detected from methanol fraction, three phenolic compounds as p-...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده شیمی 1392

in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...

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