نتایج جستجو برای: doc and toc removal
تعداد نتایج: 16850256 فیلتر نتایج به سال:
This work deals with the non-biodegradable azo-dye Orange II degradation using the heterogeneous Fenton-like reaction using Fe/ZSM-5 zeolite as catalyst. The influence of some relevant parameters was studied, namely pH and temperature in the ranges 3.0 – 8.5 and 30 – 53 oC, respectively. Decolorization degree, TOC removal and leaching were evaluated along time in the experiments done. It was fo...
Fecal constituents such as bile acids and increased sialylation of membrane glycoproteins by α-2,6-sialyltransferase (HST6N-1) may contribute to colorectal tumorigenesis. We hypothesized that bile acids and phorbol ester [12- O-tetradecanoylphorbol-13-acetate (TPA)] would upregulate HST6N-1 in colonic cells. However, deoxycholate (DOC) (300 μmol/l), a secondary bile acid, and TPA (20 ng/ml) dec...
Marine dissolved organic carbon (DOC) encompasses one of the largest reservoirs of carbon on Earth. Heterotrophic bacteria are the primary biotic force regulating the fate of this material, yet the capacity of individual strains to significantly contribute to carbon cycling is unknown. Here we quantified the ability of a single Alteromonas strain [Alteromonas sp. strain Scripps Institution of O...
Vitamin E isoforms are essential nutrients that are widely used as dietary supplements and therapeutic agents for a variety of diseases. However, their pharmacokinetic (PK) properties remain poorly characterized, and high dosage animal studies may provide further information on their in vivo functions and pharmacological effects. In this study, alpha-tocopherol (α-toc) and delta-tocopherol (δ-t...
Herein, magnetic cobalt ferrite nanoparticles (CFNPs) was synthesized and its surface was modified by cationic surfactant (cetyltrimethyl ammonium bromide: CTAB) and its potential to selective removal of dye from multicomponent (ternary) system was investigated. Direct red 31 (DR31), Direct green 6 (DG6) and Direct red 23 (DR23) were used as a model dyes. The characteristics of the synthesi...
OBJECTIVE It aims to investigate the changes in composition and structure of bacterial communities developing on biological activated carbon (BAC) particles, and the bacterial functions. METHOD A pilot plant had been in service for 180 days, aiming to develop bacterial communities on activated carbon naturally. After 180 days of operation, the bacterial communities were determined by denaturi...
بررسی کارایی CoFe2O4 با پایه گرافن در فعال سازی پراکسی مونوسولفات و حذف آموکسی سیلین از محیط های آبی
Background and purpose: Nowadays, amoxicillin is one of the most important and most frequently used antibiotics that has received especial attention as it causes resistance in bacteria. This compound enters the aquatic environment through different routes including sewage and waste disposal of medical centers, veterinary centers and industries. The aim of this study was to evaluate the performa...
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