نتایج جستجو برای: سرم hcg
تعداد نتایج: 16572 فیلتر نتایج به سال:
BACKGROUND Clinical management of pregnancy, pregnancy-related disorders and trophoblastic tumors is dependent on immunoassay measurements of the complex analyte human chorionic gonadotropin (hCG). Differences in hCG results using different methods affect clinical interpretation with potentially adverse consequences for patient care. Objectives/method: To provide an overview of factors contribu...
سابقه و هدف: از آنجا که توافق کلی درباره بهترین روش ارزیابی ختم حاملگی در سه ماهه اول با میزوپروستول وجود ندارد، مطالعه حاضر به منظور مقایسه سونوگرافی و β hcg در ارزیابی کامل بودن سقط در بیماران بستری شده در بیمارستان شبیه خوانی کاشان در سال 1389 انجام شد. مواد و روش ها: در این مطالعه 133 بیمار که سقط فراموش شده داشته یا تخمک پوچ آنها با استفاده از سونوگرافی تایید گردیده و ساک حاملگی آنان حداکث...
Deep B and R images of three Hickson Compact Groups, HCG 79, HCG 88 and HCG 95, were analyzed using a new wavelet technic to measure possible intra-group diffuse light present in these systems. The method used, OV WAV, is a wavelet technic particularly suitable to detect low-surface brightness extended structures, down to a S/N = 0.1 per pixel, which corresponds to a 5-σ-detection level in wave...
Human chorionic gonadotropin (hCG) has been regarded as a biomarker for the diagnosis of pregnancy and some cancers. Because the currently used methods (e.g., disposable Point of Care Testing (POCT) device) for hCG detection require the use of many less stable antibodies, simple and cost-effective methods for the sensitive and selective detection of hCG have always been desired. In this work, w...
Total human chorionic gonadotropin (hCG-hCG beta) in serum was assayed with the immulite system, a fully automated random-access immunoassay analyzer that has a unique centrifugal procedure for solid-phase washing and a chemiluminescent detection system. The broad range of the hCG calibration curve (up to 5000 IU/L) is achieved by using a small serum sample size (5 microL), which provides suffi...
We have devised a radioimmunoassay (RIA) for human choriogonadotropin (hCG) in first morning-voided urine specimens. Concanavalin A, a lectin, is used to extract and concentrate the hCG from urine. A high-affinity antiserum is used, directed to the hCG beta carboxy-terminal peptide, a unique immunological determinant not shared by the beta subunit of human lutropin. This ensures that urinary hu...
CONTEXT During the periimplantation period, human chorionic gonadotropin (hCG) plays a key role by increasing the uterine blood flow through uterine vessel vasodilatation but also through angiogenesis. Indeed, we previously demonstrated that hCG contributes to endothelial cell recruitment and vessel formation. OBJECTIVE In this study, hCG was proposed as an arteriogenic factor that could prom...
BACKGROUND hCG is a term referring to 4 independent molecules, each produced by separate cells and each having completely separate functions. These are hCG produced by villous syncytiotrophoblast cells, hyperglycosylated hCG produced by cytotrophoblast cells, free beta-subunit made by multiple primary non-trophoblastic malignancies, and pituitary hCG made by the gonadotrope cells of the anterio...
BACKGROUND Pathological examination combined with tumor markers has become a standard for the diagnosis of intracranial germ cell tumors (ICGCTs), but the current concept of 'secreting germ cell tumors' and three empirically highly specific diagnostic criteria (β-hCG ≥ 50 IU/L or αFP ≥ 10 ng/mL; β-hCG ≥ 100 IU/L or αFP ≥ 50 ng/mL; β-hCG > 50 IU/L or αFP > 25 ng/mL) are not based upon pathology ...
Introduction: The diagnosis of pregnancy from forensic bloodstains can be useful in cases infanticide, criminal abortions and missing person identification. Objective: This research illustrated the use a rapid, precise, tremendously responsive enzyme immunoassay kit designed for medical usage, which is put to good our lab qualitative HCG detection blood stains has proven tool Methods: concentra...
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