نتایج جستجو برای: thenoyltrifluoroacetone
تعداد نتایج: 170 فیلتر نتایج به سال:
BACKGROUND Acute alveolar hypoxia causes pulmonary vasoconstriction (HPV) which serves to match lung perfusion to ventilation. The underlying mechanisms are not fully resolved yet. The major vascular segment contributing to HPV, the intra-acinar artery, is mostly located in that part of the lung that cannot be selectively reached by the presently available techniques, e.g. hemodynamic studies o...
The membrane-bound l-malate oxidoreductase of Azotobacter vinelandii strain O was found to be a flavoprotein-dependent enzyme associated with the electron transport system (R(3)) of this organism. The particulate R(3) fraction, which possessed the l-malate oxidoreductase, carried out the cyanide-sensitive oxidation of l-malate, d-lactate, reduced nicotinamide adenine dinucleotide and nicotinami...
Cadmium (Cd), a toxic environmental pollutant, has a long biological half-life (15–20 years) and thus can be readily accumulated in human body with age. Due to its high permeability to blood-brain barrier, Cd can evoke overproduction of reactive oxygen species (ROS) and consequently induce neuronal cell death in brain. Cd has been regarded as a possible etiological factor for human neurodegener...
The systemic fungicide carboxin (5,6-dihydro-2-methyl-1,4-oxathiin-3-carboxanilide) inhibited oxidation of succinate by membranes prepared from Micrococcus denitrificans, the K(i) being 16 muM. Oxycarboxin (5,6-dihydro-2-methyl-1,4-oxathiin-3-carboxanilide-4,4-dioxide), F831 (5,6-dihydro-2-methyl-1,4-oxathiin-3-carboxanilide-4-oxide), and another succinate oxidase inhibitor, 4,4,4-trifluoro-1-(...
This contribution reviews our recent results on rare-earth-ion-doped integrated amplifiers and lasers. We have concentrated our efforts on complex-doped polymers [1], amorphous Al2O3 [2], and crystalline potassium double tungstates [3]. A polymer host material, based on a cycloaliphatic diepoxy cured with a fluorinated dianhydride, has been developed [4]. When activated with the rare-earth-ion-...
Activation of the nuclear transcription factorB (NFB) has been implicated in liver tumorigenesis. We evaluated the effects of a novel NFB inhibitor, dehydroxymethylepoxyquinomicin (DHMEQ), in two human liver cancer cell lines HA22T/VGH and HuH-6. DHMEQ treatment dose dependently decreased the DNA-binding capacity of the NFB p65 subunit, inhibited cell growth and proliferation, and increased apo...
This paper presents tools (OTPs and macros) for typesetting languages using the Devanāgar̄ı script (Hindi, Sanskrit, Marathi). These tools are based on the Omega typesetting system and are using fonts from devnag, a package developed by Frans Velthuis in 1991. We are describing these new OTPs in detail, to provide the reader with insight into Omega techniques and allow him/her to further adapt t...
Purpose: Vitamin E (VE) analogs are potent novel anti-cancer drugs. The purpose of this study was to elucidate the cellular target by which these agents, represented by α-tocopoheryl succinate (α-TOS), suppress tumors in vivo, with the focus on the mitochondrial complex II (CII). Experimental Design: Chinese hamster lung fibroblasts with functional, dysfunctional and reconstituted CII were tran...
Chilling injury is sustained by dry pollen of Typha latifolia L. upon hydration in germination medium at 0°C. This injury is evidenced as poor germination, low vigor, and depressed respiration. Isolated mitochondria showed multiple sites of impaired electron transport. Besides losses of cytochrome (Cyt) c and NAD+, the activities of membrane-bound enzyme complexes such as Cyt oxidase, NADH-duro...
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