نتایج جستجو برای: piperazine

تعداد نتایج: 2105  

2013
Kavitha Raj Varadaraju Jajur Ramanna Kumar Lingappa Mallesha Archana Muruli Kikkeri Narasimha Shetty Mohana Chethan Kumar Mukunda Umesha Sharanaiah

The piperazine derivatives have been shown to inhibit human acetylcholinesterase. Virtual screening by molecular docking of piperazine derivatives 1-(1,4-benzodioxane-2-carbonyl) piperazine (K), 4-(4-methyl)-benzenesulfonyl-1-(1,4-benzodioxane-2-carbonyl) piperazine (S1), and 4-(4-chloro)-benzenesulfonyl-1-(1,4-benzodioxane-2-carbonyl) piperazine (S3) has been shown to bind at peripheral anioni...

Journal: :iranian biomedical journal 0
گیتی امتیازی giti emtiazi محمدرضا نوری دلویی mohammad reza norri daloii مونا حسینی mona hosseini

the biodegradation of secondary amines is particularly important due to their propensity for conversion either chemically or microbiologically to n-nitrosamines which are potent carcinogens. in this research, a weak gram-positive organism was isolated from river and identified as mycobacterium. this mycobacterium grows slowly and effectively utilizes piperazine as the sole source of organic, ca...

Journal: :Bioresource technology 2013
Shu Cai Xin Li Tianming Cai Jian He

Piperazine is widely used as an intermediate in the manufacture of insecticides, rubber chemicals, corrosion inhibitors, and urethane. In this study, a highly effective piperazine-degrading bacteria strain, TOH, was isolated from the acclimated activated sludge of a pharmaceutical plant. This strain, identified as Paracoccus sp., utilises piperazine as the sole source of carbon, nitrogen and en...

Journal: :Journal of investigational allergology & clinical immunology 2006
S Quirce R Pelta J Sastre

BACKGROUND Piperazine is a secondary heterocyclic amine that may give rise to occupational asthma of uncertain mechanism. METHODS We report on a 42-year-old woman, a process operator in a chemical factory, who developed work-related symptoms of rhinitis and asthma upon exposure to piperazine citrate. She remained symptom free during holidays and days off work. RESULTS Skin prick test with p...

Journal: :The American Journal of the Medical Sciences 1894

Journal: :British journal of pharmacology 1972
P A Mason G Sturman

1. The action of piperazine on mammalian smooth, cardiac and skeletal muscles has been studied.2. Piperazine increased tone and produced a dose dependent contraction of isolated smooth muscle, which was antagonized by atropine.3. With cardiac muscle, piperazine depressed both the rate and force of contraction and was antagonized by atropine. At higher concentrations, a non-specific depression o...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی تهران 1336

چکیده ندارد.

Giti Emtiazi, Mohammad Reza Norri Daloii , Mona Hosseini,

The biodegradation of secondary amines is particularly important due to their propensity for conversion either chemically or microbiologically to N-nitrosamines which are potent carcinogens. In this research, a weak Gram-positive organism was isolated from river and identified as Mycobacterium. This Mycobacterium grows slowly and effectively utilizes piperazine as the sole source of organic, c...

Journal: :iranian journal of public health 0
m.a. barzgar n.m. mojdehi f. amini

in this study oxyuris and ascaris infections alone or in combination were treated with vanapar a combination of pyrvinium pamoate and piperazine administered in two successive daily doses. this resulted in a 100% cure rate of oxyuriasis as well as a substantial reduction in ova count for ascaris, amounting to 97% success rate in achieving ova count reduction. vanapar was highly effective for th...

Journal: :The Journal of antibiotics 1988
T Yokoi L M Yang T Yokoi R Y Wu K H Lee

Structure-cytotoxicity relationships studies have indicated that the C-3 and C-6 disubstituted piperazine-2,5-diones are structurally required for significant cytotoxicity, and the neihumicin-like C-3 and C-6 disubstituted unsymmetrical piperazine derivatives are, in general, more cytotoxic than the corresponding symmetrical piperazine-2,5-diones. Several synthetic analogs including 3,6-di-(2,4...

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