搜索范围
82648
应用筛选条件
关键词:'82648'
显示 1-30 #N/A 173 条结果 关于 "82648" 范围 论文
Wei-Wei Zhao et al.
Journal of chromatography. A, 1370, 121-128 (2014-12-03)
Metal-organic frameworks (MOFs) have great potential for applications in chromatography due to their highly tailorable porous structures and unique properties. In this work, the stable MOF UiO-66 was evaluated as both a normal-phase (NP-) and a reverse-phase (RP-) stationary phase
John C Bachman et al.
Nature communications, 6, 7040-7040 (2015-05-07)
Electrochemical energy-storage devices have the potential to be clean and efficient, but their current cost and performance limit their use in numerous transportation and stationary applications. Many organic molecules are abundant, economical and electrochemically active; if selected correctly and rationally
Virender Singh et al.
Soft matter, 11(26), 5353-5364 (2015-06-11)
Hydrogels of low molecular weight molecules are important in biomedical applications. Multiple factors are responsible for hydrogel formation, but their role in governing self-assembly to hydrogel formation is poorly understood. Herein, we report the hydrogel formation of fluorenylmethyloxycarbonyl phenylalanine (FmocF)
Jinming Zhang et al.
International journal of pharmaceutics, 476(1-2), 185-198 (2014-09-17)
Tanshinone IIA (TAN) has few clinical applications for anti-cancer therapy mainly due to its high lipophicity, low cellular uptake, and poor bioavailability. To improve the anti-cancer effect and bioavailability of TAN, we developed a mixed micelle system constituted with D-α-tocopheryl
Matej Bračič et al.
Langmuir : the ACS journal of surfaces and colloids, 31(44), 12043-12053 (2015-10-17)
Mixtures of natural and biodegradable surfactants and ionic polysaccharides have attracted considerable research interest in recent years because they prosper as antimicrobial materials for medical applications. In the present work, interactions between the lysine-derived biocompatible cationic surfactant N(ε)-myristoyl-lysine methyl ester
Qing Wang et al.
Analytica chimica acta, 888, 182-190 (2015-09-01)
A mixed-mode chromatographic packing material, C18 and diol groups modified silica (C18-Diol), was prepared with controllable hydrophobicity and hydrophilicity. It demonstrated excellent aqueous compatibility and stability in aqueous mobile phase; compared to the traditional C18 column, improved peak shape of
Jaleh Varshosaz et al.
Journal of liposome research, 24(3), 191-203 (2013-12-21)
Quercetin (QT) is a potential chemotherapeutic drug with low solubility that seriously limits its clinical use. The aim of this study was enhancing cellular penetration of QT by sterol containing solid lipid nanoparticles (SLNs) which make bilayers fluent for targeting
Zhaowei Guo et al.
Nature communications, 11(1), 959-959 (2020-02-23)
Hydronium-ion batteries are regarded as one of the most promising energy technologies as next-generation power sources, benefiting from their cost effectivity and sustainability merits. Herein, we propose a hydronium-ion battery which is based on an organic pyrene-4,5,9,10-tetraone anode and an
Sudhakar Narra et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 15(14), 2945-2950 (2014-07-22)
Back electron transfer (BET) is one of the important processes that govern the decay of generated ion pairs in intermolecular photoinduced electron transfer reactions. Unfortunately, a detailed mechanism of BET reactions remains largely unknown in spite of their importance for
Julie Mounier et al.
FEMS microbiology ecology, 90(3), 816-831 (2014-10-17)
Hydrophobic organic compounds (mainly lipids and hydrocarbons) represent a significant part of the organic matter in marine waters, and their degradation has an important impact in the carbon fluxes within oceans. However, because they are nearly insoluble in the water
Javier Fernández-Lodeiro et al.
Inorganic chemistry, 52(1), 121-129 (2012-12-13)
Two novel fluorescent probes bearing a single (P) and two (a podand-like structure, L) pyrene units derived from 1,5-bis(2-aminophenoxy)-3-oxopentane have been synthesized and investigated in dioxane using UV-vis absorption, and steady-state and time-resolved (in a picosecond time scale) emission spectroscopy;
Debasish Bandyopadhyay et al.
European journal of medicinal chemistry, 89, 851-862 (2014-12-03)
Polycyclic aromatic hydrocarbons are widespread in nature with a toxicity range from non-toxic to extremely toxic. A series of pyrenyl derivatives has been synthesized following a four-step strategy where the pyrene nucleus is attached with a basic heterocyclic moiety through
Juan Zheng et al.
Analytica chimica acta, 884, 44-51 (2015-06-16)
The monodisperse microporous carbon nanospheres (MMCNSs) were applied in solid phase microextraction for the first time. The MMCNSs-fiber was prepared by sol-gel technique and good repeatability and reproducibility were obtained, due to the excellent monodispersity of the MMCNSs. The sol-gel-MMCNSs
Aneta Lipińska et al.
Environmental science and pollution research international, 22(23), 18519-18530 (2015-09-06)
Polycyclic aromatic hydrocarbons are organic compounds with highly toxic, carcinogenic, and mutagenic properties, which adversely affect the basic biological parameters of the soil, including the count of microorganisms, and the enzymatic activity. In addition to disturbances to the biological activity
Li Li et al.
Molecules (Basel, Switzerland), 17(12), 14159-14173 (2012-11-30)
Pyrene derivatives can be carcinogenic, teratogenic and mutagenic, thus having the potential to cause malignant diseases. In this work, the interactions of two selected pyrene derivatives (1-OHP and 1-PBO) and human tumor-related DNA (p53 DNA and C-myc DNA) are investigated
Yi Li et al.
Journal of chromatography. A, 1358, 60-67 (2014-07-20)
A novel TiO2-nanosheets coated fiber for solid-phase microextraction (SPME) was fabricated by anodization of Ti wire substrates in ethylene glycol with concentrated NH4F. The in situ fabricated TiO2-nanosheets were densely embedded into Ti substrates with about 1μm long, 300nm wide
J Brandys et al.
Folia medica Cracoviensia, 31(3), 157-163 (1990-01-01)
In the present study we have examined the effect of treatment with benz(a)-anthracene (BaA), pyrene (P) and fluoranthene (Fl) on the total liver microsomal content of cytochrome P-450 and elimination of these PAH from blood in rats. The experiment was
Lin Zou et al.
Organic letters, 15(17), 4378-4381 (2013-08-29)
A large fused pyrene derivative TTTP was facilely developed through fusion at the non-K-region of pyrene, which represents the first example of extending such a π-conjugated plane at its non-K-region. The investigation of its photophysical properties and other characterizations indicated
Thangavel Vaijayanthi et al.
Bioorganic & medicinal chemistry, 21(4), 852-855 (2013-01-15)
Fluorophores that are conjugated with N-methylpyrrole-N-methylimidazole (Py-Im) polyamides postulates versatile applications in biological and physicochemical studies. Here, we show the design and synthesis of new types of pyrene-conjugated hairpin Py-Im polyamides (1-5). We evaluated the steady state fluorescence of the
Liliana Martelo et al.
The journal of physical chemistry. B, 119(48), 15023-15029 (2015-11-10)
Phasor plots of the fluorescence intensity decay (plots of the Fourier sine transform versus the Fourier cosine transform, for one or several angular frequencies) are being increasingly used in studies of homogeneous and heterogeneous systems. In this work, the phasor
Surinder M Singh et al.
Biophysical journal, 103(9), 1970-1978 (2012-12-04)
Deficiency of the vital muscle protein dystrophin triggers Duchenne/Becker muscular dystrophy, but the structure-function relationship of dystrophin is poorly understood. To date, molecular structures of three dystrophin domains have been determined, of which the N-terminal actin-binding domain (N-ABD or ABD1)
Xinjiong Ni et al.
Journal of chromatography. A, 1370, 263-269 (2014-12-03)
A novel polymeric micelle, formed by random copolymer poly (stearyl methacrylate-co-methacrylic acid) (P(SMA-co-MAA)) has been used as pseudostationary phase (PSP) in electrokinetic chromatography (EKC) for simultaneous and rapid determination of 11 kinds of water- and fat-soluble vitamins in this work.
Baocheng Tian et al.
Colloids and surfaces. B, Biointerfaces, 130, 246-254 (2015-04-30)
A novel targeting drug delivery system containing poly(styrene-alt-maleic anhydride)58-b-polystyrene130 (P(St-alt-MA)58-b-PSt130) as a copolymer backbone, N-acetyl glucosamine (NAG) as a targeting moiety was designed and synthesized. The NAG grafted copolymer (NAG-P(St-alt-MA)58-b-PSt130) was characterized by FTIR and (1)H NMR. The NAG-P(St-alt-MA)58-b-PSt130 nanoparticles
Elise Villemin et al.
Molecules (Basel, Switzerland), 18(2), 1897-1915 (2013-02-05)
New host-guest materials have been prepared by incorporation of a home-made organic probe displaying a pyrene motif and a phosphonate function into a regular amphiphilic copolymer. Using powder X-Ray diffraction, photoluminescence and FT-IR spectroscopy, we have been able to study
M Crampon et al.
Environmental science and pollution research international, 21(13), 8133-8145 (2014-03-29)
The natural biodegradation of seven polycyclic aromatic hydrocarbons (PAHs) by native microorganisms was studied in five soils from Normandy (France) from diffusely polluted areas, which can also pose a problem in terms of surfaces and amounts of contaminated soils. Bioavailability
Jakub Mondek et al.
Carbohydrate polymers, 129, 168-174 (2015-06-09)
The fast deprotonation of 1-naphthol was studied in aqueous solution and in polymer-cetyltrimethylammonium bromide (CTAB) mixtures using picosecond fluorescence spectroscopy to study the influence of hyaluronan hydration in polymer-surfactant interactions. The aqueous micelle solution showed the expected change of proton
Kyung-mi Choi et al.
Biomaterials, 35(25), 7121-7132 (2014-05-24)
Anticancer therapeutics delivering exogenous siRNA have been explored to suppress the tumor-associated genes, but several limitations of siRNA delivery such as tumor-targeted delivery, controlled siRNA release at the sites of interest, or instabilities of siRNA in physiological fluids should be
Edurne Luque-Michel et al.
Nanoscale, 8(12), 6495-6506 (2015-11-28)
A new strategy to nanoengineer multi-functional polymer-metal hybrid nanostructures is reported. By using this protocol the hurdles of most of the current developments concerning covalent and non-covalent attachment of polymers to preformed inorganic nanoparticles (NPs) are overcome. The strategy is
Tracie Perkins Fullove et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 48(3), 233-241 (2012-12-19)
Pyrene, one of the most studied polycyclic aromatic hydrocarbons, can damage biological macromolecules and cause toxicity when irradiated by light. The effect of substituents, 1-amino, 1-hydroxy, 1-nitro, and 1-bromo, on light-induced lipid peroxidation is studied. Degradation kinetics and photoproduct analyses
Keisuke Matsuoka et al.
Journal of oleo science, 64(7), 783-791 (2015-07-03)
The addition of plant sterols/stanols (sterols or stanols) can reduce the solubilization of cholesterol in a model intestinal solution system. We studied the molecular structure of seven different sterols/stanols and the effect they had on the solubilization of cholesterol or
1/6