نتایج جستجو برای: vanillylmandelic acid

تعداد نتایج: 747445  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1393

در این تحقیق پودر تفاله چای برای حذف رنگزای acid brill scarlet 3r (acid red 18) مورد بررسی قرار گرفته است. خصوصیات سطح تفاله چای با استفاده از semبررسی شد. اثر متغیرهای فرایند همچون مقدار جاذب، غلظت اولیه رنگ، ph، زمان و دما مطالعه شد. داده ها برای تطابق با مدل های ایزوترم لانگمویر، فروندلیچ، تمکین ودابینین - رادوشکوویچ ارزیابی شد. نتایج نشان داد که داده ها برای جذب سطحی acid red 18 برروی تفاله...

2012
Sushruta Koppula Dong Kug Choi

Purpose: Coriandrum sativum Linn. (Umbelliferae, C. sativum) is cultivated throughout the world for its use as spice and as a folk medicine. This study deals with the anti-stress and anti-amnestic properties of C. sativum extract in rats. Methods: Urinary levels of vanillylmandelic acid (VMA) and ascorbic acid were used to evaluate antistress activity in rats, while conditioned avoidance respon...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده شیمی 1392

گیاهان juniperus excelsa m.beib. ,juniperus communis l. و juniperus sabina l. از گونه‎های دارویی با ارزش و معطر متعلق به جنس سروکوهی و راسته مخروطیان می‎باشند که در ارتفاعات رشته کوه البرز پراکندگی دارند. هدف از این پژوهش، شناسایی و مقایسه اجزای تشکیل دهنده اسانس میوه ها و سرشاخه‎های هوایی این گیاهان می‎باشد. در این تحقیق میوه‎ و سرشاخه‎های سه گونه فوق در مرداد سال 1390 از منطقه هزار جریب بهشهر...

Journal: :Hypertension 1991
E L Bravo

The optimal evaluation of patients suspected of having a pheochromocytoma remains controversial. The availability of large numbers of hormone assays and the need to exclude with certainty a potentially lethal disorder with an unpredictable course have led to various approaches to biochemical testing. The quantification of the urinary excretion rate of catecholamine and catecholamine metabolites...

Journal: :Nihon Ika Daigaku zasshi 1991
Y Tamagawa

Noradrenaline (NA) levels in blood and urine were measured in 7 male adults before, during, and after a mild ergometer exercise. Blood pressure (BP) and heart rate (HR) were continuously recorded during all of their stages. Blood specimens were obtained with a catheter introduced into the antecubital vein and plasma NA (PNA) level was measured with high performance liquid chromatography (HPLC) ...

2005
Emmanuel L. Bravo

The optimal evaluation of patients suspected of having a pheochromocytoma remains controversial. The availability of large numbers of hormone assays and the need to exclude with certainty a potentially lethal disorder with an unpredictable course have led to various approaches to biochemical testing. The quantification of the urinary excretion rate of catecholamine and catecholamine metabolites...

Journal: :Clinical cancer research : an official journal of the American Association for Cancer Research 2004
Richard D Riley David Heney David R Jones Alex J Sutton Paul C Lambert Keith R Abrams Bridget Young Alan J Wailoo Susan A Burchill

PURPOSE The aim of this study was to conduct a systematic review, and where possible meta-analyses, of molecular and biological tumor markers described in neuroblastoma, and to establish an evidence-based perspective on their clinical value for the screening, diagnosis, prognosis, and monitoring of patients. EXPERIMENTAL DESIGN A well-defined, reproducible search strategy was used to identify...

2018
Seyedeh Noushin Ghalandarpoor-Attar Seyedeh Mojgan Ghalandarpoor-Attar Sedigheh Borna Fahimeh Ghotbizadeh

BACKGROUND Early diagnosis of pheochromocytoma and its proper management can lessen its mortality and morbidity. This case report describes a 24-year-old pregnant woman with an unusual presentation of pheochromocytoma. CASE PRESENTATION An Iranian 24-year-old primigravid woman from Kordistan province was referred to our center with left flank pain at 37 weeks of gestation. She had a history o...

2006
JANE V. BOND

cance ofcatecholamine excretion levels in diagnosis and treatment ofneuroblastoma. The pattern of urinary excretion of vanillylmandelic acid (VMA) was studied in 50 children with neuroblastoma. There were 10 disease-free survivors, and 4 children who survive for 3 or more years with residual nonmetastatic disease. 36 children died with widespread metastatic disease. The urinary VMA level was ra...

Journal: :Hormones 2011
Andreas Kiriakopoulos Dimitrios Papaioannou Dimitrios Linos

OBJECTIVE Adrenal tumors present with clinical features and signs unique to their specific hormonal hypersecretion. However, there have been cases in which the clinical expression has been in conflict with the histologic features of the tumor. In this communication we report an unusual clinical presentation of an adrenal cortical tumor with histologic features of an oncocytoma that clinically m...

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