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Showing 1-30 of 38 results for "289426" within Papers
Homan Kang et al.
Scientific reports, 5, 10144-10144 (2015-05-29)
Recently, preparation and screening of compound libraries remain one of the most challenging tasks in drug discovery, biomarker detection, and biomolecular profiling processes. So far, several distinct encoding/decoding methods such as chemical encoding, graphical encoding, and optical encoding have been
Yingwei Zhang et al.
PloS one, 7(1), e30426-e30426 (2012-01-27)
In this paper, we report on the large-scale, rapid synthesis of uniform rectangular coordination polymer nanoplates (RCPNs) assembled from Cu(II) and 4,4'-bipyridine for the first time. We further demonstrate that such RCPNs can be used as a very effective fluorescent
Crystal engineering of coordination polymers using 4, 4′-bipyridine as a bond between transition metal atoms.
Biradha K, et al.
Chemical Communications (Cambridge, England), 138(40), 4169-4179 (2006)
Lei Li et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 86, 56-61 (2011-11-05)
Three titanium coordination polymers, {[Ti(SO(4))(2)(H(2)O)]·0.5bipy·2H(2)O}(n)1, {[Ti1(SO(4))(2)(H(2)O)]·[Ti2(SO(4))(2)(H(2)O)]·bipy·5H(2)O}(n)2 and [Ti(tea)](n)3 (bipy=4,4'-bipyridine, H(3)tea=triethanolamine) were synthesized and characterized by IR, UV-Vis absorption spectra, TG analysis, X-ray single crystal diffraction and surface photovoltage spectroscopy (SPS). The surface photoelectric properties of titanium coordination polymers were discussed
Ultrafast photoinduced interfacial proton coupled electron transfer from cdse quantum dots to 4, 4′-bipyridine.
Chen J, et al.
Journal of the American Chemical Society, 138(3), 884-892 (2016)
Chong-Zhen Mei et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 81(1), 764-768 (2011-07-29)
A new 3D metal-organic coordination polymer [Cd(H(3)BPTC)(2)(bpy)](n) (1) (H(4)BPTC = 1,1'-biphenyl-2,2',6,6'-tetracarboxylic acid, bpy =4,4'-bipyridine) has been synthesized and characterized by single X-ray diffraction and IR spectroscopy. The one-dimensional metal-organic chains of the title complex, namely [Cd(H(3)BPTC)(2)](n), are held together through
Kumar Biradha et al.
Chemical communications (Cambridge, England), (40)(40), 4169-4179 (2006-10-13)
Coordination polymers have attracted an enormous interest among chemists due to their novel physical and chemical properties. This review describes the role of 4,4'-bipyridine in discovering various coordination polymers with novel topologies that range from one-dimensional to three dimensional. The
Tamas Panda et al.
Chemical communications (Cambridge, England), 47(27), 7674-7676 (2011-06-11)
Three new metal-organic framework isomers have been synthesized by using the organic linker 5-triazole isophthalic acid and Mn(NO(3))(2)·xH(2)O. Structural conversions from non-porous to porous MOFs due to the template effect have been observed. The cross-sectional pore apertures of the resulting
Masaru Yao et al.
Scientific reports, 5, 10962-10962 (2015-06-05)
Is it possible to exceed the lithium redox potential in electrochemical systems? It seems impossible to exceed the lithium potential because the redox potential of the elemental lithium is the lowest among all the elements, which contributes to the high
Zheng Liu et al.
Nature communications, 2, 305-305 (2011-05-11)
The conductance of single-molecule junctions may be governed by the structure of the molecule in the gap or by the way it bonds with the leads, and the information contained in a Raman spectrum is ideal for examining both. Here
Stephen D Burd et al.
Journal of the American Chemical Society, 134(8), 3663-3666 (2012-02-10)
A previously known class of porous coordination polymer (PCP) of formula [Cu(bpy-n)(2)(SiF(6))] (bpy-1 = 4,4'-bipyridine; bpy-2 = 1,2-bis(4-pyridyl)ethene) has been studied to assess its selectivity toward CO(2), CH(4), N(2), and H(2)O. Gas sorption measurements reveal that [Cu(bpy-1)(2)(SiF(6))] exhibits the highest
Bottom-up approach for the preparation of hybrid nanosheets based on coordination polymers made of metal-diethyloxaloacetate complexes linked by 4, 4′-bipyridine.
Portoles-Gil N, et al.
CrystEngComm, 19(34), 4972-4982 (2017)
Victor Mamane et al.
The Journal of organic chemistry, 77(6), 2579-2583 (2012-03-01)
A chiral polyhalogenated 4,4'-bipyridine derivative is described allowing an easy access to a new family of chiral 4,4'-bipyridines by site-selective cross-coupling reactions. The absolute configurations of all the HPLC separated enantiomers were determined by X-ray diffraction and electronic circular dichroism
Coordination Polymers of Co(NCS)2 with Pyrazine and 4,4`-Bipyridine:? Syntheses and Structures
Lu J, et al.
Inorganic Chemistry, 36 (5), 923- 929 null
Amy R Mulholland et al.
Organic & biomolecular chemistry, 10(30), 6045-6053 (2012-05-15)
Synthetic access to a set of metallo- and free base bis-porphyrins has been provided by a stepwise approach involving sequential peptide and Suzuki couplings. Linking these porphyrins through a 3,3'-biphenyl bridge enables cooperative binding to ditopic ligands such as the
Xuefeng Zhu et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(12), 3429-3437 (2011-02-23)
A series of amphiphilic L-glutamic acid derivatives with various saturated alkyl chains has been designed and their co-assembly with 4,4'-bipyridine in aqueous media has been investigated. While the individual amphiphiles formed hydrogels with water and self-assembled into fine fiber networks
Chao-Yan Zhang et al.
Journal of chromatography. A, 1383, 18-24 (2015-01-27)
Three Ag(I)-organic frameworks, [Ag5(pydc)2(CN)]n, {[Ag4(pydc)2]CH3CN}n, and [Ag(4,4'-bpy)NO3]n, were synthesized and embedded into silica gels to form metal-organic-framework (MOF)-embedded gels for the microextraction of polybrominated diphenyl ethers (PBDEs) in soils. Despite the great differences in the structures of the organic ligands
Spin canting and metamagnetism in a 3D homometallic molecular material constructed by interpenetration of two kinds oc cobalt(II)-coordination polymer sheets
Zheng HM, et al.
Angewandte Chemie (International Edition in English), 44(20) (2005)
Julfikar Hassan Mondal et al.
Langmuir : the ACS journal of surfaces and colloids, 30(39), 11528-11534 (2014-09-16)
A systematic study on the cucurbit[8]uril (CB[8]) assisted transformation of a mixed micellar system of CTAB and a viologen surfactant to vesicles is depicted. The micelle to vesicle transformation is assisted by a charge transfer complex mediated ternary complexation between
Yonglan Luo et al.
Nanotechnology, 22(19), 195502-195502 (2011-03-25)
Herein, coordination polymer nanobelts (CPNBs) were prepared rapidly and on a large scale, by directly mixing aqueous AgNO(3) solution and an ethanol solution of 4, 4'-bipyridine at room temperature. The application of such CPNBs as a fluorescent sensing platform for
Di Sun et al.
Dalton transactions (Cambridge, England : 2003), 40(21), 5677-5679 (2011-04-23)
An ultrasonic reaction of Ag(2)O, 4,4'-bipyridine (bipy) and (2S, 3R)-3-amino-2-hydroxybutanoic acid (L-Thr) gives an unexpected Ag(I) supramolecular framework, {[Ag(3)(bipy)(3)(cahba)]·HCO(3)·10H(2)O}(n) (1), in which the (2S, 3R)-3-(carboxyamino)-2-hydroxybutanoic acid (H(2)cahba) is a carbamate derivative of L-Thr, obtained via in situ transformation of amino
Artem I Vedernikov et al.
The Journal of organic chemistry, 76(16), 6768-6779 (2011-07-13)
4,4'-Bipyridine and 2,7-diazapyrene derivatives (A) having two ammonioalkyl N-substituents were synthesized. The complex formation of these compounds with bis(18-crown-6)stilbene (D) was studied by spectrophotometry, cyclic voltammetry, (1)H NMR spectroscopy, and X-ray diffraction analysis. In MeCN, π-donor D and π-acceptors A
Zong-Ze Li et al.
Dalton transactions (Cambridge, England : 2003), 41(47), 14397-14403 (2012-10-16)
Two novel bpy-bridged Co(II) Schiff base complexes have been synthesized by the hydro(solvo)thermal reactions of corresponding amino-acid-based Schiff bases, bpy and Co(NO(3))(2)·6H(2)O. The following formulae identify the two complexes: {[Co(napala)(bpy)(0.5)]·H(2)O}(n) (1) and [Co(napgly)(bpy)(0.5)](n) (2) [H(2)napala = N-(2-hydroxy-1-naphthylmethylidene)-D/L-alanine, H(2)napgly = N-(2-hydroxy-1-naphthylmethylidene)-glycine
Meng-Yao Chao et al.
Dalton transactions (Cambridge, England : 2003), 47(38), 13722-13729 (2018-09-15)
The two-dimensional (2D) metal-organic framework (MOF) [Cd2.25Co0.75(BTB)2(DEF)4]·2(DEF)0.5 (1a, BTB = benzene-1,3,5-tribenzolate; DEF = N,N'-diethylformamide) featuring linear trimetallic cluster secondary building units (SBUs) and replaceable DEF solvates reacts smoothly with dipyridyl ligands DPS, DPDS, and BIPY (DPS = 4,4'-dipyridyl sulfide; DPDS
Investigation of supramolecular interaction in 4, 4′-bipyridine crystal by hydrostatic pressure spectroscopies.
Li A, et al.
Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, 202(40), 70-75 (2018)
Yamina Akacem et al.
The journal of physical chemistry. A, 116(4), 1261-1271 (2012-01-10)
The aluminum distribution effects on the adsorption of 4,4'-bipyridine (44BPY) in the straight channel of H-ZSM-5 simulated by two ten-membered ring clusters (2-10T) have been investigated by DFT methods. The energetic and structural properties of the complexes formed upon interaction
Christophe Kahlfuss et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 24(49), 13009-13019 (2018-07-28)
We have developed a strategy enabling control over the organization of ditopic molecular tectons within a palladium-based self-assembled system. The key electron-responsive sub-unit is a viologen-based mechanical hinge that can toggle under electric stimulation between a folded and a stretched
Adriana Iordache et al.
Journal of the American Chemical Society, 134(5), 2653-2671 (2011-12-14)
Rotational motions of ferrocene-based carousels have been achieved by electron transfer centered on π-dimerizable 4,4'-bipyridinium substituents introduced on both cyclopentadienyl rings through covalent linkers of different size, geometry, and flexibility. Detailed spectroscopic, electrochemical, and theoretical analyses demonstrate that rigid and
John M Roberts et al.
Journal of the American Chemical Society, 134(7), 3334-3337 (2012-02-03)
A new urea-containing metal-organic framework (MOF) was synthesized to act as a heterogeneous catalyst. Ureas are well-known for self-recognition and aggregation behavior, resulting in loss of catalytic competency. The catalyst spatial isolation achievable in a porous MOF environment suggests a
Melissa C Grenier et al.
Bioorganic & medicinal chemistry letters, 22(12), 4055-4058 (2012-05-15)
Dialkyl 4,4'-bipyridinium compounds are widely employed for their useful redox properties, and are commonly known as viologens due to their intense coloration upon reduction. Despite their prevalence and amphiphilic nature, the antibacterial activity of these compounds remains largely unreported. We
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