نتایج جستجو برای: سموم ارگانوکلره ocps
تعداد نتایج: 2586 فیلتر نتایج به سال:
Objective. To compare the effectiveness of myo-inositol (MI) and oral contraceptive pills (OCPs) in monotherapy and MI in combination with OCPs in the treatment of teenagers affected by polycystic ovary syndrome (PCOS). Methods. 61 adolescent girls aged 13-19 years, with PCOS, were involved in the prospective, open-label study. Patients were randomized into three groups: I group, 20 patients re...
The safety of source water is a noticeable problem in the Pearl River Delta, one of the densely populated areas in China. In this study, 20 individual organochlorine pesticides (OCPs) were investigated in 15 water sources within this area using gas chromatography-electron capture detector, and the hazard risks to human health were assessed in terms of individual OCPs based on daily water consum...
Soft tissues of species of marine fauna; crabs (Crustacea), oysters (Pelecypoda, Bivalvia), sea stars (Asterroidea), sea urchin (Echinoidea) and bony fishes (Osteichtyes) sampled along the Kenya-Mombasa coastal region were analyzed to determine the levels of organochlorine pesticides (OCPs). Analysis was done using gas chromatography with an electron capture detector. This study showed that mar...
In the chronic treatment of polycystic ovary syndrome (PCOS), oral contraceptive pills (OCPs) are commonly used to induce regular menses, protect the endometrium and ameliorate androgenic symptoms. However, the long-term safety of OCP use in PCOS has not been established, and the literature reveals conflicting data concerning the metabolic effects of OCPs in this patient population, with outcom...
چکیده ندارد.
از میان آلودگی های انسانزاد در محیط زیست، مواد آلی پایدار مثل pah (polycyclic aromatic hydrocarbons)، tph (total petroleum hydrocarbon)، dioxins، furans، و سموم ارگانوکلره و ارگانوفسفره اهمیت ویژه ای دارند که در این مطالعه این ترکیبات در محیط های آب، رسوب و خاک در شعاع 60 کیلومتری از مرکز کلان شهر اصفهان بررسی شدند. در نمونه های آب و پساب بالاترین غلظت ترکیبات pah در نمونه پساب کارخانه فولاد م...
The levels of 18 organochlorine pesticides (OCPs) in the water from Lake Chaohu were measured by a solid phase extraction-gas chromatography-mass spectrometer detector. The spatial and temporal distribution, possible sources, and potential ecological risks of the OCPs were analyzed. The annual mean concentration for the OCPs in Lake Chaohu was 6.99 ng/L. Aldrin, HCHs, and DDTs accounted for lar...
Perfluoroalkyl substances and organochlorine pesticides in sediments from Huaihe watershed in China.
Twelve perfluoroalkyl substances (PFASs) and nine organochlorine pesticides (OCPs) were quantified in surface sediments from the Huaihe River, China, along which there are intensive industrial and agricultural activities. Concentrations of PFASs ranged from 0.06 to 0.46ng/g dry weight (dw), and concentrations of OCPs ranged from 1.48 to 32.65ng/gdw. Compared with other areas in China, concentra...
BACKGROUND The organochlorine pesticides (OCPs) are among the most commonly used in water streams around the world. Most of these contaminants are highly hydrophobic and persist in sediments of rivers and lakes. Studies have suggested that OCPs may affect the normal function of the human and wildlife endocrine systems. OBJECTIVES The aim of this study is to determine the concentrations of sel...
OBJECTIVE To estimate whether continuous oral contraceptive pills (OCPs) will result in more pain relief in primary dysmenorrhea patients than cyclic OCPs, which induce withdrawal bleeding with associated pain and symptoms. METHODS We conducted a double-blind, randomized, controlled trial comparing continuous to a cyclic 21-7 OCP regimen (gestodene 0.075 mg and ethinyl estradiol 20 microgram)...
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