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Showing 1-30 of 85 results for "V900145" within Papers
Sarthak Mandal et al.
Langmuir : the ACS journal of surfaces and colloids, 29(1), 133-143 (2012-12-12)
2,2'-Bipyridine-3,3'-diol (BP(OH)(2)) has been used as a sensitive excited-state intramolecular proton transfer fluorophore to assess different bile salt aggregates as one of the potential biologically relevant host systems useful for carrying many sparingly water-soluble drug molecules. The formation of inclusion
Veli C Ozalp et al.
Analytica chimica acta, 853, 533-540 (2014-12-04)
A quartz crystal microbalance sensor (QCM) was developed for sensitive and specific detection of Salmonella enterica serovar typhimurium cells in food samples by integrating a magnetic bead purification system. Although many sensor formats based on bioaffinity agents have been developed
Jared D Hoffman et al.
Mutagenesis, 30(3), 421-430 (2015-02-15)
Isothiocyanates are plant-derived compounds that may be beneficial in the prevention of certain chronic diseases. Yet, by stimulating the production of reactive oxygen species (ROS), isothiocyanates can be genotoxic. Whether antioxidants influence isothiocyanate-induced genotoxicity is unclear, but this situation was
J Ballesta-Claver et al.
Analytica chimica acta, 770, 153-160 (2013-03-19)
A new method for uric acid (UA) determination based on the quenching of the cathodic ECL of the tris(2,2-bipyridine)ruthenium(II)-uricase system is described. The biosensor is based on a double-layer design containing first tris(2,2-bipyridine)ruthenium(II) (Ru(bpy)3(2+)) electrochemically immobilized on graphite screen-printed cells
Xue-Wen Liu et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 102, 142-149 (2012-12-12)
Two new ruthenium complexes with [Ru(L)(2)(qip)](2+) (L=bpy (2,2'- bipyridine), phen (1,10-phenanthroline); qip=2-(2-quinolinyl)imidazo[4,5-f][1,10]phenanthroline), have been synthesized and characterized by elemental analysis, ES-MS, (1)H NMR. The binding properties of two complexes towards CT-DNA were investigated by various optical methods and viscosity measurements.
Ralf Haiges et al.
Angewandte Chemie (International ed. in English), 53(31), 8200-8205 (2014-07-22)
Fluoride-azide exchange reactions of Me3SiN3 with MnF2 and MnF3 in acetonitrile resulted in the isolation of Mn(N3)2 and Mn(N3)3 ⋅CH3CN, respectively. While Mn(N3)2 forms [PPh4]2[Mn(N3)4] and (bipy)2Mn(N3)2 upon reaction with PPh4N3 and 2,2'-bipyridine (bipy), respectively, the manganese(III) azide undergoes disproportionation
Ling Yu et al.
Journal of colloid and interface science, 453, 151-158 (2015-05-20)
Poly[glycidyl methacrylate-co-poly (ethylene glycol) methacrylate] microspheres for the first time were successfully synthesized by atom transfer radical polymerization (ATRP) method at room temperature. The co-polymerization approach was investigated to delicately control the microsphere morphology and size-distribution by reaction conditions including
Metal-locked DNA three-way junction.
Jean-Louis H A Duprey et al.
Angewandte Chemie (International ed. in English), 52(4), 1212-1216 (2012-12-15)
Halil Gökce et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 114, 61-73 (2013-06-12)
In this study the elemental analysis results, molecular geometries, vibrational and electronic absorption spectra of free 2,2'-dithiodipyridine(C10H8N2S2), (or DTDP) (with synonym, 2,2'-dipyridyl disulfide) and M(C10H8N2S2)Cl2 (M=Co, Cu and Zn) complexes have been reported. Vibrational wavenumbers of free DTDP and its
Huaiyi Huang et al.
Dalton transactions (Cambridge, England : 2003), 44(35), 15602-15610 (2015-08-08)
Ruthenium complexes have been considered as promising substitutes for cisplatin in cancer chemotherapy. However, novel ruthenium-based therapies are faced with some limitations, such as unimpressive cytotoxicity toward solid tumors. Herein, we designed and synthesized phenyl-substituted terpyridyl ruthenium(ii) complexes ([Ru(tpy)(bpy)Cl](+) (Ru1)
Elwin Molenbroek et al.
Dalton transactions (Cambridge, England : 2003), 42(8), 2973-2984 (2012-12-22)
In this work, the complexation of the bapbpy ligand to zinc dichloride is described (bapbpy = 6,6′-bis(2-aminopyridyl)-2,2′-bipyridine). The water-soluble, colorless complex [Zn(bapbpy)Cl]Cl·2H2O (compound 2·H2O) was synthesized; its X-ray crystal structure shows a mononuclear, pentacoordinated geometry with one chloride ligand in
Shin-Jen Lin et al.
Journal of virology, 89(2), 1083-1093 (2014-11-08)
Iron is an essential nutrient for nearly all living organisms, including both hosts and invaders. Proteins such as ferritin regulate the iron levels in a cell, and in the event of a pathogenic invasion, the host can use an iron-withholding
Jana Rohacova et al.
Inorganic chemistry, 54(17), 8769-8777 (2015-08-21)
A series of highly luminescent trinuclear and tetranuclear ring-shaped Re(I) complexes wherein the Re units are linked with rigid bidentate phosphine ligands, namely, bis(diphenylphosphino)-p-phenylene, -trans-vinylene, and -ethynylene, were synthesized and fully characterized. Their strong emissive properties and the long lifetimes
Ning Xu et al.
Research in microbiology, 165(3), 252-261 (2014-03-19)
Ferric reductase catalyzes the reduction of ferric iron into ferrous iron and plays an essential role in high-affinity iron acquisition. In this study, we found that the cfl1Δ/Δ (orf19.1263) mutant was not defective in iron acquisition. However, deletion of CFL1
Hana Krysova et al.
Chimia, 67(3), 149-154 (2013-04-12)
Titania nanofibers were fabricated using the industrial Nanospider(TM) technology. The preparative protocol was optimized by screening various precursor materials to get pure anatase nanofibers. Composite films were prepared by mixing a commercial paste of nanocrystalline anatase particles with the electrospun
Xiang Chen et al.
Dalton transactions (Cambridge, England : 2003), 42(13), 4386-4397 (2013-02-13)
Two ruthenium(II) polypyridyl complexes, [Ru(bpy)(2)(ptpn)](2+) (1) (bpy = 2,2'-bipyridine, ptpn = 3-(1,10-phenanthroline-2-yl)-as-triazino[5,6-f]1,10-phenanthroline) and [Ru(phen)(2)(ptpn)](2+) (2) (phen = 1,10-phenanthroline), were synthesized and characterized. Crystal structure analysis shows that complex 1 has a large planar aromatic area and possesses the potential to
Ralf Haiges et al.
Angewandte Chemie (International ed. in English), 54(31), 9101-9105 (2015-06-16)
Vanadium(V) oxoazide [VO(N3)3] was prepared through a fluoride-azide exchange reaction between [VOF3] and Me3SiN3 in acetonitrile solution. When the highly impact- and friction-sensitive compound [VO(N3)3] was reacted with 2,2′-bipyridine, the adduct [(bipy)VO(N3)3] was isolated. The reaction of [VO(N3)3] with [PPh4]N3
S R Hosseinian et al.
Dalton transactions (Cambridge, England : 2003), 42(15), 5355-5366 (2013-02-16)
The mixed valence Co(II)/Co(III) tetranuclear clusters [Co(II)2Co(III)2(tea)2(pyr)2(NO3)4]·2CH3CN (1), [Co(II)2Co(III)2(μ3-OH)2(Htea)2(bpy)4](NO3)4 (2), and [Co(II)2Co(III)2(μ3-OH)2(Htea)2(phen)4](NO3)4·2CH3CN·2CH3OH (3) are described where tea and Htea are the fully and the doubly deprotonated form of triethanolamine, while as N-donors are pyridine, 2,2'-bipyridine and 1,10-phenanthroline. Complexes 1-3 contain
Saikh Mohammad Wabaidur et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 105, 412-417 (2013-01-22)
A flow injection (FI) method is reported for the determination of folic acid by chemiluminescence method. This method is based on the reaction of folic acid with Ru(bipy)(3)(2+) and Ce(IV) to produce chemiluminescence. The calibration curve was linear over the
T J LaRocca et al.
Cell death & disease, 6, e1773-e1773 (2015-05-29)
Mature erythrocytes (red blood cells (RBCs)) undergo the programmed cell death (PCD) pathway of necroptosis in response to bacterial pore-forming toxins (PFTs) that target human CD59 (hCD59) but not hCD59-independent PFTs. Here, we investigate the biochemical mechanism of RBC necroptosis
Yi-Long Wang et al.
Acta crystallographica. Section C, Crystal structure communications, 69(Pt 5), 471-475 (2013-05-01)
3,4-Dimethoxy-trans-cinnamic acid (Dmca) reacts with zinc sulfate in the presence of 4-(1H-pyrazol-3-yl)pyridine (L1) or 4,4'-bipyridine (L2) under hydrothermal conditions to afford two mixed-ligand coordination complexes, namely tetrakis(μ-3,4-dimethoxy-trans-cinnamato-κ(2)O:O')bis[[4-(1H-pyrazol-3-yl)pyridine]zinc(II)] heptahydrate, [Zn2(C11H11O4)4(C8H7N3)2]·7H2O or [Zn2(Dmca)4(L1)2]·7H2O, (I), and catena-poly[[bis(3,4-dimethoxy-trans-cinnamato-κO)zinc(II)]-μ-4,4'-bipyridine-κ(2)N:N'], [Zn(C11H11O4)2(C10H8N2)]n or [Zn(Dmca)2(L2)]n, (II). The Zn(II)
Dipanwita De et al.
Chemistry, an Asian journal, 8(4), 728-735 (2013-02-14)
This study investigates the specific binding of a potential biomarker, [2,2'-bipyridyl]-3,3'-diol (BP(OH)2), with human serum albumin (HSA). The binding of BP(OH)2 at the two primary drug-binding sites on HSA (Sudlow's sites I and II) is explored by a competitive-binding study
Muna Ilowefah et al.
Journal of food science and technology, 52(9), 5534-5545 (2015-09-08)
In the current study, effects of fermentation on physicochemical and functional properties of brown rice flour (BRF) were investigated. Fermentation conditions were optimized using response surface methodology to achieve moderate acidity (pH 5-6), specifically pH 5.5 of brown rice batter with time
Jakob Birke et al.
Applied and environmental microbiology, 81(11), 3793-3799 (2015-03-31)
Specific polyisoprene-cleaving activities of 1.5 U/mg and 4.6 U/mg were determined for purified Strep-tagged latex clearing protein (Lcp) of Streptomyces sp. strain K30 at 23 °C and 37 °C, respectively. Metal analysis revealed the presence of approximately one atom of
Yongjie Chen et al.
Dalton transactions (Cambridge, England : 2003), 42(16), 5924-5931 (2013-03-06)
The emission enhancement behavior and photocleavage activity of a ruthenium(II) arene complex, [(η(6)-p-cymene)Ru(dppn)(py)](2+) (1) (dppn = 4,5,9,16-tetraaza-dibenzo[a,c]naphthacene, py = pyridine), towards DNA were compared with [(η(6)-p-cymene)Ru(bpy)(py)](2+) (2), [Ru(bpy)2(dppz)](2+) (3) and [Ru(bpy)2(dppn)](2+) (4) (bpy = 2,2'-bipyridine, dppz = dipyrido-[3,2-a:2',3'-c]phenazine). It was
Marianthi Zampakou et al.
Journal of inorganic biochemistry, 121, 88-99 (2013-01-29)
The reaction of MnCl2 with the quinolone antibacterial drug oxolinic acid (Hoxo) results to the formation of [KMn(oxo)3(MeOH)3]. Interaction of MnCl2 with the quinolone Hoxo or enrofloxacin (Herx) and the N,N'-donor heterocyclic ligand 1,10-phenanthroline (phen) results in the formation of
Bo-Yi Yu et al.
Langmuir : the ACS journal of surfaces and colloids, 30(25), 7502-7512 (2014-06-11)
Surface coating of antifouling materials on the substrates offers convenient strategies and great opportunities to improve their biocompatibility and functions of host substrates for wide biomedical applications. In this work, we present a general surface zwitterionization strategy to improve surface
M A Dębowski et al.
The Review of scientific instruments, 86(10), 105115-105115 (2015-11-02)
An apparatus designed and manufactured for evaluation of flow erosion of coatings or layers is presented in this paper. The setup was primarily designed for coatings intended to perform in dynamic marine environments but can be also used for evaluation
Shuangjiao Sun et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1006, 146-150 (2015-11-10)
A simple, sensitive and selective method for determination of urapidil hydrochloride was developed using capillary electrophoresis with electrochemiluminescence (CE-ECL) technique for the first time. Under the optimized experimental conditions, the ECL intensity was linear with the concentration of urapidil hydrochloride
Feixiang Cheng et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 114, 159-163 (2013-06-19)
Hexapodal ligand H6L containing imidazole rings has been prepared by the reaction of 1,10-phenanthroline-5,6-dione with 1,2,3,4,5,6-hexakis[(3-formylphenoxy)methyl]benzene. The Ru(II) polypyridyl complex [{Ru(bpy)2}6(μ6-H6L)](PF6)12 (bpy=2,2'-bipyridine) has been synthesized by the reaction of Ru(bpy)2Cl2·2H2O with ligand H6L. The pH effects on the UV-vis absorption
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