نتایج جستجو برای: phe
تعداد نتایج: 8169 فیلتر نتایج به سال:
biodegradation of phenanthrene (phe) was studied in aqueous culture to demonstrate the potential of the mixed culture in degrading high concentration of phe. the experiments were conducted to monitor biodegradation of phenanthrene for duration of 6 days. biodegradation of phe was successfully achieved in low and middle concentration by the isolated mixed culture. a full factorial central compos...
A -hairpin conformation and extended -pleated sheet assembly have been characterized by single crystal x-ray diffraction for the synthetic peptide t-butoxycarbonyl— -Phe-Phe-D-Pro-GlyPhe-Phe-methyl ester [ -Phe: (S)3 homophenylalanine]. The centrally located D-Pro-Gly segment nucleates a chain reversal in a type II -turn conformation. Two intramolecular cross-strand hydrogen bonds stabilize the...
چکیده: استفاده از هیدرازید ها و آمینو اسید هیدرازید ها در واکنش های چند جزیی نقطه شروع کار پژوهشی حاضر استفاده از هیدرازید ها و آمینو اسید هیدرازید های سنتز شده در واکنش های چند جزیی بر پایه ایزوسیانید می باشد. بنابراین چندین دسته از ترکیبات جدید سنتز گردیده اند که در زیر مشاهده می نمایید: a) واکنش سه جزیی کتون های حلقوی، هیدرازید ها و ایزوسیانید ها در حضور مقدار 10% وزنی کاتالیزگر p-تولوئ...
Objective(s): Breast cancer remains a global challenge, and further chemopreventive therapies are still immediately required. Emerging evidence has revealed the potent anti-cancer effects of biguanides, Metformin (MET) and phenformin (PHE). Thus, to explore an efficient chemopreventive strategy for breast cancer, the antiproliferative effects of the combination of MET and PHE against breast can...
Background: Polycyclic aromatic hydrocarbons (PAHs) such as phenanthrene (Phe) represent one of the most abundant forms of organic pollutants. The aim of this study was to assess changes in plasma levels of aminotransferase enzymes, total protein and liver tissue as biomarkers of yellowfin seabream (Acanthopagrus latus) exposed to Phe for 14 d. Methods: The research was carried out in Januar...
Phenylalanine (Phe) is the most reliable indicator for the diagnosis of phenylketonuria (PKU). The purpose of this study is to establish a reliable and quick method for the assignment of Phe in peripheral capillary blood from newborns and children by high performance liquid chromatography with ultraviolet detection (HPLC-UV). PKU is an inborn error of metabolism characterized by the inability o...
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