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Страница 1 от 145 полученные результаты
Relationship of Benzene Concentration, ECR Benzene, Malondialdehyde, Glutathione, and DNA Degeneration in Shoe Industrial Workers in Osowilangun, Indonesia
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In the shoes industry, benzene constitute as one of the source of chemical hazard especially used in the gluing section. This compound is metabolized by the liver, forming free radicals in the body which can ultimately reduce the concentration of glutathione and increased malondialdehyde causing DNA
Topological Effects in Vibronically Coupled Degenerate Electronic States: A Case Study on Nitrate and Benzene Radical Cation.
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We carry out detailed investigation for topological effects of two molecular systems, NO3 radical and C6H6+ (Bz+) radical cation, where the dressed adiabatic, dressed diabatic, and adiabatic-via-dressed diabatic potential energy curves (PECs)
Theoretical studies on tunneling ionizations from the doubly degenerate highest occupied molecular orbitals of benzene in intense laser fields.
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Combining our generalized Keldysh theory [Sov. Phys. JETP 20, 1307 (1965)] with the molecular orbital theory, the authors theoretically study tunneling ionizations of neutral benzene in intense linearly polarized Ti:sapphire laser fields (800 nm). They consider the ionizations from the highest
Deterioration Mechanism of a Tertiary Polyamide Reverse Osmosis Membrane by Hypochlorite.
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A tertiary polyamide membrane was synthesized using N,N'-dimethyl-m-phenylenediamine. The durability of this membrane to chlorination by hypochlorite treatment followed by sodium hydroxide treatment was examined, and then deterioration mechanisms were proposed. The tertiary
Effect of benzene extract of Ocimum sanctum leaves on cauda epididymis of albino rats.
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In the present study, an attempt has been made to assess the effect of benzene extract of Ocimum sanctum leaves on ultrastructural changes in epithelial cells of the cauda epididymis and fertility of male albino rats. Wistar strain male albino rats were orally administered 250 mg/kg body weight of
Effect of benzene extract of Ocimum sanctum leaves on cauda epididymal spermatozoa of rats.
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BACKGROUND
Recent studies have shown that benzene extract of Ocimum sanctum (O. sanctum) leaves induces the ultrastructural changes in the epithelial cells of the cauda epididymis, its subsequent recovery in the seminiferous epithelium and fertility of male albino rats.
OBJECTIVE
Our aim was to
A method for in vitro culture of rat Zymbal gland: use in mechanistic studies of benzene carcinogenesis in combination with 32P-postlabeling.
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Zymbal glands were excised bilaterally from the ear ducts of female Sprague-Dawley rats (three/group), minced into approximately four fragments per gland, and transferred into a microtiter plate containing 1.5 mL per well of Waymouth's tissue culture medium supplemented with fetal calf serum,
The dynamics of benzene on Cu(111): a combined helium spin echo and dispersion-corrected DFT study into the diffusion of physisorbed aromatics on metal surfaces.
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We use helium spin-echo spectroscopy (HeSE) to investigate the dynamics of the diffusion of benzene adsorbed on Cu(111). The results of these measurements show that benzene moves on the surface through an activated jump-diffusion process between the adsorption sites on a Bravais lattice. Density
Electronic states of the benzene dimer: a simple case of complexity.
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Electronic structure calculations of the excited states of the benzene dimer using equation-of-motion coupled-cluster method are reported. The calculations reveal large density of electronic states, including multiple valence, Rydberg, and mixed Rydberg-valence states. The calculations of the
Gas-phase ion mobilities and structures of benzene cluster cations (C6H6)n+, n = 2-6.
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Benzene clusters are generated by pulsed supersonic beam expansion, ionized by electron impact, mass-selected and then injected into a drift cell for ion mobility measurements in a helium buffer gas. The measured collision cross sections and theoretical calculations are used to determine the
Spectroscopic study on deuterated benzenes. II. High-resolution laser spectroscopy and rotational structure in the S(1) state.
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High-resolution spectra of the S1←S0 transition in jet-cooled deuterated benzenes were observed using pulse dye amplification of single-mode laser light and mass-selective resonance enhanced multiphoton ionization (REMPI) detection. The vibrational and rotational structures were accurately analyzed
Fiber-optic-based biomonitoring of benzene derivatives by recombinant E. coli bearing luciferase gene-fused TOL-plasmid immobilized on the fiber-optic end.
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TOL plasmid in Pseudomonas putida mt-2 has a series of genes for the degradation of xylene, toluene, and their derivatives to pyruvate and acetaldehyde (or propionaldehyde). Two operons, i.e., upper operon and meta operon, play indispensable roles for the digestion of xylene derivatives: When XyIR
Photophysics of fluorinated benzene. III. Hexafluorobenzene.
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A theoretical study of the photoabsorption spectroscopy of hexafluorobenzene (HFBz) is presented in this paper. The chemical effect due to fluorine atom substitution on the electronic structure of benzene (Bz) saturates in HFBz. State- of-the-art quantum chemistry calculations are carried out to
Synthesis, structure, and reactivity of O-donor Ir(III) complexes: C-H activation studies with benzene.
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Various new thermally air- and water-stable alkyl and aryl analogues of (acac-O,O)2Ir(R)(L), R-Ir-L (acac-O,O = kappa2-O,O-acetylacetonate, -Ir- is the trans-(acac-O,O)2Ir(III) motif, R = CH3, C2H5, Ph, PhCH2CH2, L = Py) have been synthesized using the dinuclear complex
TD DFT insights into unusual properties of excited sandwich complexes: structural transformations and vibronic interactions in Rydberg-state bis(η6-benzene)chromium.
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Sandwich compounds represent the only class of organometallics revealing vibronic structures of Rydberg transitions in their gas-phase absorption and ionization spectra. This provides rare possibilities of verifying computational results for Rydberg-state metal complexes by comparison with
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