搜索范围
F1506
应用筛选条件
关键词:'F1506'
显示 1-30 #N/A 76 条结果 关于 "F1506" 范围 论文
Jesse P Waldo et al.
The Journal of organic chemistry, 73(17), 6679-6685 (2008-08-08)
Fluoren-9-ones and derivatives are readily prepared in good yields by the annulation of in situ generated arynes by 2-haloarenecarboxaldehydes in the presence of a palladium catalyst.
Pierre Champigneux et al.
Bioelectrochemistry (Amsterdam, Netherlands), 128, 17-29 (2019-03-19)
The early formation of electroactive biofilms was investigated with gold electrodes inoculated with Geobacter sulfurreducens. Biofilms were formed under an applied potential of 0.1 V/SCE, with a single batch of acetate 10 mM, on flat gold electrodes with different random surface roughness.
Chiara Giorio et al.
Chemosphere, 224, 786-795 (2019-03-10)
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous atmospheric pollutants of high concern for public health. In the atmosphere they undergo oxidation, mainly through reactions with ·OH and NOx to produce nitro- and oxygenated (oxy-) derivatives. In this study, we developed a
María Luaces-Regueira et al.
Pancreas, 47(10), 1304-1311 (2018-10-05)
The aim of this study was to comparatively analyze the effects of different concentrations of cigarette smoke condensate (CSC, a standardized tobacco extract) and ethanol on intracellular enzyme activation, cell necrosis, alteration of cytosolic calcium concentration ([Ca]c), and amylase secretion
Benjamin A E Lehner et al.
ChemistryOpen, 8(7), 888-895 (2019-07-18)
Graphene's maximized surface-to-volume ratio, high conductance, mechanical strength, and flexibility make it a promising nanomaterial. However, large-scale graphene production is typically cost-intensive. This manuscript describes a microbial reduction approach for producing graphene that utilizes the bacterium Shewanella oneidensis in combination
Stable Tetrabenzo-Chichibabin?s hydrocarbons: tunable ground state and unusual transition between their closed-shell and open-shell resonance forms.
Zeng Z, et al.
Journal of the American Chemical Society, 134(35), 14513-14525 (2012)
Mahendra Varne et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 10(17), 2979-2994 (2009-10-13)
The dynamics of the excited states of 1-aminofluoren-9-one (1AF) and 1-(N,N-dimethylamino)-fluoren-9-one (1DMAF) are investigated by using steady-state absorption and fluorescence as well as subpicosecond time-resolved absorption spectroscopic techniques. Following photoexcitation of 1AF, which exists in the intramolecular hydrogen-bonded form in
Facile synthesis of picene from 1, 2-di (1-naphthyl) ethane by 9-fluorenone-sensitized photolysis.
Okamoto H, et al.
Organic Letters, 13(10), 2758-2761 (2011)
Novel carbazole/fluorene hybrids: Host materials for blue phosphorescent OLEDs.
Shih P I, et al.
Organic Letters, 8(13), 2799-2802 (2006)
Chandresh Thakker et al.
Biotechnology journal, 11(1), 80-90 (2015-08-19)
Various methods have been developed for gene disruption in bacteria; however, extra in vitro manipulation steps or the residual presence of a scar in the host chromosome limits the use of such methods. By utilizing the unique properties of ISHp608
Marianne Placzek et al.
Acta dermato-venereologica, 93(1), 30-32 (2012-09-18)
Benzophenone is a phototoxic compound with absorption maxima in the ultraviolet A (UVA) and ultraviolet B (UVB) range. Many benzophenone derivatives are known to be photosensitizing. On the other hand, 2-hydroxy-4-methoxybenzophenone is used as a photoprotective agent. The aim of
Lakshmi Srinivasan et al.
Biochimica et biophysica acta, 1858(4), 698-705 (2016-01-18)
Solute carrier (SLC) 26 or sulfate permease (SulP) anion transporters, belong to a phylogenetically ancient family of secondary active transporters. Members of the family are involved in several human genetic diseases and cell physiological processes. Despite their importance, the substrates
N Ueoka et al.
Bioelectrochemistry (Amsterdam, Netherlands), 124, 1-6 (2018-07-11)
Exoelectrogens play central roles in microbial fuel cells and other bioelectrochemical systems (BESs), yet their physiological diversity remains largely elusive due to the lack of efficient methods for the isolation from naturally occurring microbiomes. The present study developed an electrode
Ángel Sánchez-Illana et al.
Scientific reports, 7(1), 17039-17039 (2017-12-08)
Therapeutic hypothermia (TH) initiated within 6 h from birth is the most effective therapeutic approach for moderate to severe hypoxic-ischemic encephalopathy (HIE). However, underlying mechanisms and effects on the human metabolism are not yet fully understood. This work aims at studying
Jing Li et al.
Molecules (Basel, Switzerland), 15(12), 8582-8592 (2010-12-01)
A series of new C(2)-symmetric fluoren-9-ylidene malonate-derived bis(oxazoline) ligands were synthesized from fluoren-9-ylidene malonate and enantiomerically pure amino alcohols via a convenient route. Their asymmetric catalytic properties in the Friedel-Crafts reactions of indoles with arylidene malonates were evaluated, and the
Yufang Liu et al.
Journal of computational chemistry, 30(16), 2723-2727 (2009-04-29)
The geometric structures and infrared (IR) spectra in the electronically excited state of a novel doubly hydrogen-bonded complex formed by fluorenone and alcohols, which has been observed by IR spectra in experimental study, are investigated by the time-dependent density functional
Ji Lu et al.
Journal of biomedical nanotechnology, 15(10), 2045-2058 (2019-08-30)
Combining photodynamic therapy (PDT) and chemotherapy can improve anti-cancer efficacy. In this study, a novel copolymer PTPP combining thioketal and protoporphyrin was synthesized and tested for antitumor activity. Self-assembled PTPP micelles loaded with doxorubicin (DOX) showed uniform size, narrow particle
Jennifer Haggarty et al.
Metabolomics : Official journal of the Metabolomic Society, 11(5), 1465-1470 (2015-09-15)
The serial coupling of a reversed-phase liquid chromatography (RPLC) column to a hydrophilic interaction liquid chromatography (HILIC) column has been developed in recent years for the detection of polar and nonpolar metabolites. TCA intermediates, bile acid standards and numerous polar
Stanislaw J Gabryszewski et al.
American journal of respiratory cell and molecular biology, 61(2), 185-197 (2019-02-12)
Methicillin-resistant Staphylococcus aureus (MRSA) is a versatile human pathogen that is associated with diverse types of infections ranging from benign colonization to sepsis. We postulated that MRSA must undergo specific genotypic and phenotypic changes to cause chronic pulmonary disease. We
Norihisa Okada et al.
Dental materials journal, 27(6), 809-813 (2009-02-27)
The purpose of this study was to evaluate the histopathological effects of camphorquinone (CQ) and 9-fluorenone (9F) with or without visible light (VL) irradiation on the oral mucous membranes of mice. VL irradiation resulted in a higher degree of tissue
Stefano Alcaro et al.
Bioorganic & medicinal chemistry, 13(10), 3371-3378 (2005-04-26)
In pursuing research on the antiviral, interferon (IFN)-inducing tilorone congeners, a new series of fluoren-carboxyhydroxyesters has been prepared and biologically explored. These esters have subsequently been used as sugar acceptors in the enzymatic transglycosylation reaction using the 'retaining' beta-glycosidase from
M Kandasamy et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 105, 176-183 (2013-01-12)
The present work deals with the vibrational spectroscopic studies of 9-fluorenone-2-carboxylic acid (9F2CA) by means of quantum chemical calculations. Comprehensive theoretical and experimental FTIR and FT-Raman spectral analysis of 9F2CA have been carried out by using DFT/B3LYP method with 6-31G(d,p)
Ge Li et al.
Food chemistry, 209, 123-130 (2016-05-14)
This study investigated the effects of frying conditions on the change, migration and correlation of polycyclic aromatic hydrocarbons (PAHs) and oxygenated PAHs (oxy-PAHs) in youtiao, a typical Chinese fried bread. PAH migration was evaluated using an isotope tracer method. High
Melissa Yeow et al.
Gut pathogens, 12, 13-13 (2020-03-14)
Campylobacter concisus is an emerging enteric pathogen that is associated with inflammatory bowel disease. Previous studies demonstrated that C. concisus is non-saccharolytic and hydrogen gas (H2) is a critical factor for C. concisus growth. In order to understand the molecular
Daniela Cristina Almeida Pereira et al.
Environmental monitoring and assessment, 191(11), 659-659 (2019-10-21)
A major campaign was carried out in indoor and outdoor environments in a school located in the university campus of the city of São Paulo. Elements, PAH, oxy-PAH, water-soluble ions and black carbon were determined and compared with preliminary campaigns.
Marek Józefowicz et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 67(2), 316-320 (2006-09-15)
Electronic absorption, excitation and fluorescence spectra of fluorenone and 4-hydroxyfluorenone were recorded at room temperature in several aprotic solvent of varying polarities. The ground (mu(g)) and excited (mu(e)) state dipole moments of both molecules were estimated from solvatochromic shifts of
Quang Anh Tuan Le et al.
Enzyme and microbial technology, 116, 1-5 (2018-06-12)
The electro-biocatalytic conversion of CO2 into formic acid using whole-cell and isolated biocatalysts is useful as an alternative route for CO2 sequestration. In this study, Shewanella oneidensis MR-1 (S. oneidensis MR-1), a facultative aerobic bacterium that has been extensively studied
Christophe Walgraeve et al.
Analytical and bioanalytical chemistry, 409(1), 335-347 (2016-10-27)
An analytical method was developed and optimized for the quantification of 16 polycyclic aromatic hydrocarbons (PAHs) and 12 oxygenated PAHs in Taxus baccata leaves. Emphasis was given to the development of an in-cell cleanup step using pressurized solvent extraction, a
Basema Balasiny et al.
Microbiology (Reading, England), 164(4), 563-575 (2018-03-02)
Synthesis of the Escherichia coli YtfE protein, also known as RIC, for the repair of damaged iron centres, is highly induced during anaerobic growth under conditions of nitrosative stress. How YtfE repairs nitrosative damage remains unclear. Contrary to previous reports
Dustin Pagoria et al.
Biomaterials, 26(19), 4091-4099 (2005-01-25)
Recent evidence suggests that following visible-light (VL) irradiation, CQ and the CQ-related photosensitizers benzil (BZ), benzophenone (BP), and 9-fluorenone (9-F) generate initiating radicals that may indiscriminately react with molecular oxygen forming reactive oxygen species (ROS). The purpose of this investigation
1/3