84679

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Showing 1-30 of 98 results for "84679" within Papers

Distribution patterns of PAHs in different tissues of annulated sea snake (Hydrophis cyanocinctus) and short sea snake (Lapemis curtus) from the Hara Protected Area on the North Coast of the Persian Gulf, Iran.

Zahra Heydari Sereshk et al.

Ecotoxicology and environmental safety, 109, 116-123 (2014-09-01)

The levels of 22 polycyclic aromatic hydrocarbons (PAHs) were determined in the skin, liver, kidney and muscle tissues of annulated sea snake (Hydrophis cyanocinctus), and short sea snake (Lapemis curtus) collected from the Hara Protected Area, Persian Gulf during October

Versatile ene-thiol photoclick reaction for preparation of multimodal monolithic silica capillary columns.

A Marechal et al.

Journal of chromatography. A, 1365, 140-147 (2014-09-25)

This paper presents a photografting process of monolithic silica capillary columns based on the ene-thiol click chemistry. This study is performed on a "generic" vinyl-functionalized silica monolith (Hmin 6±1μm). The photoclick reaction is investigated using different thiol monomers (octadecanethiol, cysteine

Quantitative structure-activity relationship analysis of inhibitors of the nicotine metabolizing CYP2A6 enzyme.

Minna Rahnasto et al.

Journal of medicinal chemistry, 48(2), 440-449 (2005-01-22)

The purpose of this study was to develop screening and in silico modeling methods to obtain accurate information on the active center of CYP2A6, a nicotine oxidizing enzyme. The inhibitory potencies of 26 naphthalene and 16 non-naphthalene derivatives were determined

Mechanistic understanding of tetracycline sorption on waste tire powder and its chars as affected by Cu(2+) and pH.

Fei Lian et al.

Environmental pollution (Barking, Essex : 1987), 178, 264-270 (2013-04-17)

The sorption characteristics of tetracycline (TC) by waste tire powder and its chars were investigated to explore the potential of using waste tires as effective sorbents for removal of TC from aqueous solution. Naphthalene (NAPH), a typical hydrophobic organic compound

Organosilicon compounds as adult T-cell leukemia cell proliferation inhibitors.

Masaharu Nakamura et al.

Chemical & pharmaceutical bulletin, 61(2), 237-241 (2013-02-02)

Aggressive forms of adult T-cell leukemia (ATL) respond poorly to conventional anticancer chemotherapy, and new lead compounds are required for the development of drugs to treat this fatal disease. Recently, we developed ATL cell-selective proliferation inhibitors based on a tetrahydrotetramethylnaphthalene

Comparison of PoraPak Rxn RP and XAD-2 adsorbents for monitoring dissolved hydrophobic organic contaminants.

Mark Omara et al.

Environmental monitoring and assessment, 186(11), 7565-7577 (2014-08-08)

Accurate determination of the levels of dissolved hydrophobic organic contaminants (HOCs) is an important step in estimating the dynamics of their inputs and losses in aqueous systems. This study explores an alternative method for efficiently sampling dissolved HOCs while mitigating

Complete genome sequence of the naphthalene-degrading bacterium Pseudomonas stutzeri AN10 (CCUG 29243).

Isabel Brunet-Galmés et al.

Journal of bacteriology, 194(23), 6642-6643 (2012-11-13)

Pseudomonas stutzeri AN10 (CCUG 29243) can be considered a model strain for aerobic naphthalene degradation. We report the complete genome sequence of this bacterium. Its 4.71-Mb chromosome provides insights into other biodegradative capabilities of strain AN10 (i.e., benzoate catabolism) and

Exploring QSAR and QAAR for inhibitors of cytochrome P450 2A6 and 2A5 enzymes using GFA and G/PLS techniques.

Kunal Roy et al.

European journal of medicinal chemistry, 44(5), 1941-1951 (2008-12-27)

A series of naphthalene and non-naphthalene derivatives (n=42) having cytochrome P450 2A6 and 2A5 inhibitory activities, reported by Rahnasto et al., were subjected to QSAR and QAAR studies. The analyses were performed using electronic, spatial, shape and thermodynamic descriptors to

Preparation and evaluation of benzyl methacrylate monoliths for capillary chromatography.

Ahmad Aqel et al.

Journal of chromatographic science, 52(3), 201-210 (2013-02-21)

This paper describes the comprehensive fabrication of monolithic materials for use as stationary phases in capillary liquid chromatography. Several columns were synthesized in the confines of 320 µm i.d. fused-silica capillaries by single-step in situ copolymerization of benzyl methacrylate and

Determination of descriptors for polycyclic aromatic hydrocarbons and related compounds by chromatographic methods and liquid-liquid partition in totally organic biphasic systems.

Thiloka C Ariyasena et al.

Journal of chromatography. A, 1361, 240-254 (2014-08-30)

Retention factors on several columns and at various temperatures using gas chromatography and from reversed-phase liquid chromatography on a SunFire C18 column with various mobile phase compositions containing acetonitrile, methanol and tetrahydrofuran as strength adjusting solvents are combined with liquid-liquid

QSAR study and synthesis of new phenyltropanes as ligands of the dopamine transporter (DAT).

Sylvie Mavel et al.

Bioorganic & medicinal chemistry, 20(4), 1388-1395 (2012-02-04)

The dopamine transporter (DAT) plays a pivotal role in the regulation of dopamine neurotransmission, and is involved in a number of physiological functions and brain disorders. Furthermore the DAT analysis by molecular imaging techniques is a useful tool for the

Ascorbic acid enhances the accumulation of polycyclic aromatic hydrocarbons (PAHs) in roots of tall fescue (Festuca arundinacea Schreb.).

Yanzheng Gao et al.

PloS one, 7(11), e50467-e50467 (2012-11-28)

Plant contamination by polycyclic aromatic hydrocarbons (PAHs) is crucial to food safety and human health. Enzyme inhibitors are commonly utilized in agriculture to control plant metabolism of organic components. This study revealed that the enzyme inhibitor ascorbic acid (AA) significantly

Fabrication and application of zinc-zinc oxide nanosheets coating on an etched stainless steel wire as a selective solid-phase microextraction fiber.

Wenlan Song et al.

Journal of chromatography. A, 1384, 28-36 (2015-02-11)

A novel zinc-zinc oxide (Zn-ZnO) nanosheets coating was directly fabricated on an etched stainless steel wire substrate as solid-phase microextraction (SPME) fiber via previous electrodeposition of robust Zn coating. The scanning electron micrograph of the Zn-ZnO nanosheets coated fiber exhibits

Evaluation of virus inactivation by formaldehyde to enhance biosafety of diagnostic electron microscopy.

Lars Möller et al.

Viruses, 7(2), 666-679 (2015-02-13)

Formaldehyde (FA) fixation of infectious samples is a well-established protocol in diagnostic electron microscopy of viruses. However, published experimental data that demonstrate virus inactivation by these fixation procedures are lacking. Usually, fixation is performed immediately before the sample preparation for

UV-polymerized butyl methacrylate monoliths with embedded carboxylic single-walled carbon nanotubes for CEC applications.

María Navarro-Pascual-Ahuir et al.

Analytical and bioanalytical chemistry, 406(25), 6329-6336 (2014-07-31)

The preparation of polymeric monoliths with embedded carboxy-modified single-walled carbon nanotubes (c-SWNTs) and their use for capillary electrochromatography (CEC) is described. Carbon nanotube composites were obtained by preparing a polymerization mixture in the presence of increasing c-SWNT concentrations, followed by

Exploring the limits of nucleobase expansion: computational design of naphthohomologated (xx-) purines and comparison to the natural and xDNA purines.

Purshotam Sharma et al.

Physical chemistry chemical physics : PCCP, 15(37), 15538-15549 (2013-08-15)

The properties of doubly-expanded (xx-) purine analogues are compared to the natural and singly-expanded (x-) purines using quantum chemical (B3LYP, MP2) methods. Purine expansion upon incorporation of a benzene or naphthalene spacer affects the preferred orientation of the base about

Assessment of bioavailable fraction of POPS in surface water bodies in Johannesburg City, South Africa, using passive samplers: an initial assessment.

Robert Amdany et al.

Environmental monitoring and assessment, 186(9), 5639-5653 (2014-05-30)

In this study, the semipermeable membrane device (SPMD) passive samplers were used to determine freely dissolved concentrations of polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) in selected water bodies situated in and around Johannesburg City, South

Naphthalenyl derivatives for hitting P-gp/MRP1/BCRP transporters.

Nicola A Colabufo et al.

Bioorganic & medicinal chemistry, 21(5), 1324-1332 (2013-01-26)

Substituted naphthalenyl derivatives bearing oxazole, or thiazole or furyl heteronuclei have been carried out as bioisosters of aryl-oxazoles and -thiazoles derivatives previously reported in order to investigate the role of the hindrance on the activity towards P-gp/BCRP/and MRP1 transporters. In

Polycyclic aromatic hydrocarbons degrading microflora in a tropical oil-production well.

Chan Yu et al.

Bulletin of environmental contamination and toxicology, 93(5), 632-636 (2014-09-14)

The surrounding environment near Dagang oil-production well suffers polycyclic aromatic hydrocarbons (PAHs) pollution. In the present study, indigenous microorganisms capable of degrading PAHs were isolated and the efficiency of PAHs removal was investigated. Seven PAH-degrading strains were isolated with the

Naphthalene DNA adduct formation and tolerance in the lung

Buchholz AB, et al.

Nucl. Instrum. Methods Phys. Res. Sect. B, 438, 119-123 (2019)

Mass transport properties of second-generation silica monoliths with mean mesopore size from 5 to 25nm.

Kristof Hormann et al.

Journal of chromatography. A, 1365, 94-105 (2014-09-25)

The morphology of silica monoliths determines their mass transport properties. While eddy dispersion can be related to the size and structural heterogeneity of the macropores, longitudinal diffusion and trans-skeleton mass transfer resistance are influenced by the physical appearance of the

Effects of individual polychlorinated naphthalene (PCN) components of Halowax 1051 and two defined, artificial PCN mixtures on AHR and CYP1A1 protein expression, steroid secretion and expression of enzymes involved in steroidogenesis (CYP17, 17β-HSD and CYP19) in porcine ovarian follicles.

Justyna Barć et al.

Toxicology, 322, 14-22 (2014-05-09)

In this study we tried to answer a question which component of Halowax 1051 is responsible for, observed in previously published study, androgenic effects of the mixture, and whether it is possible to draw conclusions about the action of mixtures

Genetic toxicity of naphthalene: a review.

Ceinwen A Schreiner

Journal of toxicology and environmental health. Part B, Critical reviews, 6(2), 161-183 (2003-01-30)

Results of five previously unpublished studies of the genotoxicity of naphthalene are presented and extensively discussed in relation to the large database that exists in the published literature. According to the published literature, naphthalene has not induced gene mutations in

Biochemical and genotoxic response of naphthalene to fingerlings of milkfish Chanos chanos.

L Palanikumar et al.

Ecotoxicology (London, England), 22(7), 1111-1122 (2013-07-10)

The present study investigated the acute toxicity, sub-lethal toxicity and biochemical response of naphthalene in fingerlings of milkfish Chanos chanos. The 96 h acute toxicity LC50 values for C. chanos exposed to naphthalene was 5.18 μg l(-1). The estimated no

Multivariate analysis of mainstream tobacco smoke particulate phase by headspace solid-phase micro extraction coupled with comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry.

Michał Brokl et al.

Journal of chromatography. A, 1370, 216-229 (2014-12-03)

A method involving headspace solid-phase microextraction (HS-SPME) and comprehensive two-dimensional gas chromatography (GC×GC) coupled to time-of-flight mass spectrometry (TOFMS) was developed and applied to evaluate profiles of volatile compounds present in mainstream tobacco smoke particulate matter trapped on glass fiber

Depletion of bone marrow CCSP-expressing cells delays airway regeneration.

Martha L Bustos et al.

Molecular therapy : the journal of the American Society of Gene Therapy, 23(3), 561-569 (2014-11-21)

The contribution of bone marrow cells (BMC) in lung repair is controversial. We previously reported a subpopulation of BMC that express Clara cell secretory protein (CCSP). To determine the contribution of endogenous CCSP(+) BMC to airway regeneration, we performed bone

Lung regeneration by multipotent stem cells residing at the bronchioalveolar-duct junction.

Qiaozhen Liu et al.

Nature genetics, 51(4), 728-738 (2019-02-20)

Characterizing the stem cells responsible for lung repair and regeneration is important for the treatment of pulmonary diseases. Recently, a unique cell population located at the bronchioalveolar-duct junctions has been proposed to comprise endogenous stem cells for lung regeneration. However

The organization of naphthalene degradation genes in Pseudomonas putida strain AK5.

Tatyana Yu Izmalkova et al.

Research in microbiology, 164(3), 244-253 (2012-12-26)

The Pseudomonas putida АК5 that was isolated from the slime pit of a Nizhnekamsk oil chemical factory can metabolize naphthalene via salicylate and gentisate. Catabolic genes are localized on non-conjugative IncP-7 plasmid pAK5 of about 115 kb in size. The

Polymeric ionic liquid bucky gels as sorbent coatings for solid-phase microextraction.

Cheng Zhang et al.

Journal of chromatography. A, 1344, 15-22 (2014-04-29)

Novel cross-linked polymeric ionic liquid (PIL) bucky gels were formed by free-radical polymerization of polymerizable ionic liquids gelled with multi-walled carbon nanotubes (MWCNT) and used as sorbent coatings for solid-phase microextraction (SPME). The combination of PIL with MWCNTs significantly enhanced

Concentration-dependent antagonistic persuasion of SDS and naphthalene derivatives on the fibrillation of stem bromelain.

Atiyatul Qadeer et al.

Archives of biochemistry and biophysics, 540(1-2), 101-116 (2013-11-05)

Sodium dodecyl sulfate, a biological membrane mimetic, can be used to study the conversion of globular proteins into amyloid fibrils in vitro. Using multiple approaches, the effect of SDS was examined on stem bromelain (SB), a widely recognized therapeutic protein.

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