بررسی و مقایسه حساسیت روش های شیمیایی رایج در تشخیص خون مخفی در مدفوع

بررسی و مقایسه حساسیت روش‌های شیمیایی رایج در تشخیص خون مخفی در مدفوع

Any abnormality in stool compounds can be an indication of colon disfunction or diseases. Occult bleeding which is determined by means of occult blood test(peroxidase activity) is the most valuable diagnostic test for primary stage of colorectal neoplasia which can be fully prevented. Considering dietary precautions, foods such as red meat, fish, vegetables, vitamin C and iron contain...

بررسی مقایسه ای حساسیت آزمایش های سرولوژیکی و روش های تصویر برداری در تشخیص کیست هیداتید

Degenerate Four Wave Mixing in Photonic Crystal Fibers

In this study, Four Wave Mixing (FWM) characteristics in photonic crystal fibers are investigated. The effect of channel spacing, phase mismatching, and fiber length on FWM efficiency have been studied. The variation of idler frequency which obtained by this technique with pumping and signal wavelengths has been discussed. The effect of fiber dispersion has been taken into account; we obtain th...

اثر بربرین در تنظیم آستروسیتهای Gfap+ ناحیه هیپوکمپ موشهای صحرایی دیابتی شده با استرپتوزوتوسین

Background: Diabetes mellitus increases the risk of central nervous system (CNS) disorders such as stroke, seizures, dementia, and cognitive impairment. Berberine, a natural isoquinolne alkaloid, is reported to exhibit beneficial effect in various neurodegenerative and neuropsychiatric disorders. Moreover astrocytes are proving critical for normal CNS function, and alterations in their activity...

اثر بربرین در تنظیم آستروسیتهای Gfap+ ناحیه هیپوکمپ موشهای صحرایی دیابتی شده با استرپتوزوتوسین

Background: Diabetes mellitus increases the risk of central nervous system (CNS) disorders such as stroke, seizures, dementia, and cognitive impairment. Berberine, a natural isoquinolne alkaloid, is reported to exhibit beneficial effect in various neurodegenerative and neuropsychiatric disorders. Moreover astrocytes are proving critical for normal CNS function, and alterations in their activity...

مقایسه حساسیت و اختصاصیت روش سیتولوژی تماسی با روش سرجیکال پاتولوژی در تشخیص توده های پستان

Background and purpose: Breast cancer is the common cancer in women and the major cause of death due to malignancy in women aged 40-44 years old. The routine method for diagnosis of biopsy specimens is pathologic procedure. Expert pathologists could accurately diagnose malignant and benign diseases using cytology methods. The aim of this study was to investigate the sensitivity and specificity ...