نتایج جستجو برای: tbhq and pla

تعداد نتایج: 16828270  

Journal: :The Biochemical journal 2002
Julie A Moran Erica L Dahl R Timothy Mulcahy

The three small Maf proteins, MafF, MafG and MafK, have been implicated in a number of physiological processes, including development, differentiation, haematopoiesis and stress response. Here we report the constitutive expression of mafF, mafG and mafK in six human cell lines derived from various tissues (HepG2, IMR-32, K-562, HEK-293, RD and A549). The expression patterns of mafF, mafG and ma...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2005
Andy Y Shih Ping Li Timothy H Murphy

The transcription factor nuclear factor erythroid 2-related factor 2 (Nrf2) coordinates expression of genes required for free radical scavenging, detoxification of xenobiotics, and maintenance of redox potential. Previously, activation of this pleiotropic response was neuroprotective in cell culture models that simulate components of stroke damage. However, the role of Nrf2 in limiting stroke d...

Journal: :The Biochemical journal 1995
L Cavallini M Coassin A Alexandre

In the absence of extracellular Ca2+, extensive Ca2+ release from the platelet intracellular stores [monitored as an increase of intracellular Ca2+ concentration ([Ca2+]i)] is produced by the combined action of the endomembrane Ca(2+)-ATPase inhibitor thapsigargin and 2 nM ionomycin. The titration of Ca2+ unloading with thapsigargin (plus ionomycin) shows that a substantial fraction of the stor...

Journal: :Food Analytical Methods 2022

Electrochemical determination of tert-butylhydroquinone (TBHQ) is vital to food safety due negative health effects; however, bare electrode traditional electrochemical sensors generally has a narrow linear range and low sensitivity, limiting their practical application. Accordingly, the nano-architecture fabricated with N-doped TiO2–carbon nano-composites (TiO2/NC) prepared by thermolysis NH2 f...

2004

TBHQ has already been evaluated by the former Scientific Committee on Food (SCF) which concluded in 1987 that there was still a need for additional data. The SCF requested an adequate carcinogenicity study and an in vivo mutagenicity study of germ cell effects. At that time, the SCF was of the opinion that TBHQ was not acceptable for use as an antioxidant to food and did not establish an accept...

Objective(s): Due to nanocomposites antimicrobial properties, one of the most extensive usages of nano-products is in packing industry. Thus, the production of packages with nanotechnology can effectively prevent against a variety of microorganisms. In this study, the silicon dioxide nanoparticles the poly (lactic acid) PLA films on antimicrobial and permeability was investigated. Methods...

Journal: :International Journal of Applied Technology Research 2022

Biodiesel is one of alternative energies that can be used to overcome problem caused by limited amount fossil fuels reserved. made from rubber seed oil has high potencies in Indonesia. The availability quite much with more than 3-million-hectare plantation area. production biodiesel been carried out several researchers using various methods. Therefore, this study was conducted as a review obtai...

Journal: :E3S web of conferences 2023

Green tea ( Camellia sinensis (L.) Kuntze) is a potent natural ingredient with flavonoid content that can be used as an antioxidant and anti-aging for skincare products. The formula containing green extract usually formulated oil in water emulsion or cream. active components of are catechins which characterized less stable against oxidation. Therefore, it needed to add other antioxidants such B...

Gelatin-hydroxyapatite-polylactic acid (PLA) nanocomposites were synthesized using five different formulations. The nanocomposites were loaded with ibuprofen and the amount of drug in the carriers was determined. X-ray diffraction (XRD) analysis was conducted before and after drug loading to ensure the presence of ibuprofen on the nanocomposites. Drug delivery was evaluated in phosphate buffere...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - پژوهشکده فنی و مهندسی 1393

یکی از مشکلات اصلی استفاده از پلیمرهای زیست تخریب ناپذیر باقی ماندن آن در چرخه زیستی پس از مصرف می باشد. توسعه پلاستیک های زیست تخریب پذیر راه حل خوبی برای حل این مشکل است. اختلاط پلیمر پلی لاکتیک اسید با پلیمرهای زیست تخریب ناپذیر می تواند یک روش کاربردی و اقتصادی برای اصلاح ویژگی های زیست تخریب پذیری پلیمرهای تجزیه ناپذیر باشد. در این پژوهش، زیست تخریب پذیری فیلم های آمیخته از پلی اتیلن با چگ...

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