نتایج جستجو برای: pre concentration

تعداد نتایج: 682077  

2011
Mi Hyun Kim Young Chul Lee Sang Yoon Choi Chang-Won Cho Jeonghae Rho Kwang-Won Lee

In order to enhance bioactive functionalities of ginseng, an acid impregnation processing was applied as a pre-treatment in producing red ginseng. Acid impregnation studies were conducted, and acids (ascorbic, malic, and citric acid) were selected. The optimal concentration of each acid was investigated in this study in terms of ginsenoside contents. The most concerned ginsenoside, Rg3 was incr...

A.A. Palizban Z. Tolou-Ghamari,

Background: Cyclosporine is the main immunosuppressive agent used in organ transplantation which leads to considerable improvement in graft survival.  The large inter- and intra- patient variability in cyclosporine pharmacokinetics coupled with the agent’s narrow therapeutic index and adverse effects necessitate therapeutic monitoring of cyclosporine blood levels. Objective: The aim of this stu...

Journal: :journal of chemical health risks 0
a. moghimi

activated charcol phase loaded with 2-propylpiperidine-1-carbodithioate (ppcd) were synthesized based on chemical binding and physical adsorption approaches. the stability of a chemically modified ppcd especially in concentrated hydrochloric acid which was then used as a recycling and pre-concentration reagent for further uses of activated charcol immobilized ppcd. the application of this activ...

First, an effective pre-concentration of penicillamine was done via Fe3O4NPS. Then, a simple, rapid and sensitive spectrophotometric method is described for the determination of penicillamine by 2, 6-dichlorophenolindophenol (2, 6-DCPIP), as the chromogenic agent in bulk drug and formulations. It produces a bluish green coloured compound with maximum absorbance 610 nm. Bee...

First, an effective pre-concentration of penicillamine was done via Fe3O4NPS. Then, a simple, rapid and sensitive spectrophotometric method is described for the determination of penicillamine by 2, 6-dichlorophenolindophenol (2, 6-DCPIP), as the chromogenic agent in bulk drug and formulations. It produces a bluish green coloured compound with maximum absorbance 610 nm. Bee...

Journal: Journal of Nanoanalysis 2014
Ali Akbar Miran Beigi Amir Vahid Behzad Kalantri Hamid Shirkhanloo Hossein Ali Ghadirian Nasrin Shirkhanloo

On-line solid phase extraction (SPE) based on  nano adsorbent for pre-concentration of inorganic arsenic in water and waste water samples was developed prior to determine by hydride generation atomic absorption spectrometry (HG-AAS). By hydride generation simulation system (HGSS), the  inorganic arsenic in liquid samples changed to hydride form and pass through nano platinum multi wall carbon n...

2013
Tomoko S. Kato Jonathan Yang Hiroo Takayama Yoshifumi Naka David J. Lederer Matthew R. Baldwin Shunichi Homma Donna M. Mancini

Background—Serum albumin concentration has been recognized as a marker of nutrition, severity of inflammation and hepatic function in patients with various chronic diseases. The purpose of this study was to investigate the impact of pre-transplant serum albumin concentration on post-transplant outcome in heart transplant (HTx) recipients. Methods and Results—Pre-operative laboratory variables i...

Journal: :Molecular human reproduction 2006
E Tskitishvili Y Komoto K Temma-Asano S Hayashi Y Kinugasa H Tsubouchi M Song T Kanagawa K Shimoya Y Murata

Our aim was to investigate the expression of S100B protein in the amnion and to assess the amniotic fluid concentration in pregnancies complicated by pre-eclampsia. Samples were obtained from women who developed pre-eclampsia (n = 7), pre-eclampsia with intrauterine growth retardation (IUGR) (n = 4), normotensive IUGR (n = 7) and gestational hypertension (n = 4) during pregnancy and healthy con...

Journal: :journal of food biosciences and technology 2015
a. hajibabaei f. abdolmaleki

in this study, modified starch was used as a fat replacer in the milk. the fat replacer was manufactured from modified starch such as pre-gelatinized and cross–linked starches. modified starches were manufactured by hydrochloric acid and citric acid treatments from potato and wheat and were added to skim milk at concentrations of 0.15%, 0.30% and 0.45%. viscosity, total solid, fat content, titr...

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