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关键词:'120804'
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Y-L Ma et al.
The Journal of physiology, 590(9), 2095-2105 (2012-03-14)
The abnormally high cation permeability in red blood cells (RBCs) from patients with sickle cell disease (SCD) occupies a central role in pathogenesis. Sickle RBC properties are notably heterogeneous, however, thus limiting conventional flux techniques that necessarily average out the
S Santosh Kumar et al.
Redox report : communications in free radical research, 7(1), 35-40 (2002-05-01)
Vanillin, a plant derived natural product, used as food flavoring agent and its positional isomer o-vanillin, have been tested for their ability to scavenge 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical using high performance liquid chromatography (HPLC). Trolox, a water-soluble analogue of vitamin E
He-Rui Wen et al.
Dalton transactions (Cambridge, England : 2003), 44(24), 11191-11201 (2015-05-27)
A new family of 3d-4f dinuclear complexes derived from a chiral Schiff-base ligand, (R,R)-N,N'-bis(3-methoxysalicylidene)cyclohexane-1,2-diamine (H2L), has been synthesized and structurally characterized, namely, [Cu(L)Ln(NO3)3(H2O)] (Ln = Ce (1) and Nd (2)), [Cu(L)Sm(NO3)3]·2CH3CN (3) and [Cu(L)Ln(NO3)3] (Ln = Eu (4), Gd (5
Thomas R Sharp et al.
Journal of pharmaceutical and biomedical analysis, 40(1), 185-189 (2005-08-09)
Electrospray mass spectral observation directly on a sample of a derivatized protein, such as porcine somatotropin (pST), affords a method for evaluating the degree of substitution of this protein. Derivatization of the lysine residues and the terminal amino residue here
K Watanabe et al.
Mutation research, 218(2), 105-109 (1989-09-01)
2-Hydroxy-3-methoxybenzaldehyde (omicron-vanillin), the antimutagenic effect of which has been reported on mutagenesis induced by 4-nitroquinoline 1-oxide (4NQO) in Escherichia coli WP2s, enhanced N-methyl-N'-nitro-N-nitrosoguanidine (MNNG)-induced mutagenesis in the same strain. A remarkable enhancement of mutagenesis provoked by N-methyl-N-nitrosourea (MNU) was also
E Halevas et al.
Journal of inorganic biochemistry, 147, 99-115 (2015-04-30)
Among the various roles of vanadium in the regulation of intracellular signaling, energy metabolism and insulin mimesis, its exogenous activity stands as a contemporary challenge currently under investigation and a goal to pursue as a metallodrug against Diabetes mellitus II.
Daniel T Shaughnessy et al.
Mutation research, 602(1-2), 54-64 (2006-09-27)
Vanillin (VAN) and cinnamaldehyde (CIN) are dietary antimutagens that effectively inhibit both induced and spontaneous mutations. We have shown previously that VAN and CIN reduced the spontaneous mutant frequency in Salmonella TA104 (hisG428, rfa, DeltauvrB, pKM101) by approximately 50% and
Mechanically induced reactions in organic solids: liquid eutectics or solid-state processes?
Dolotko O, et al.
New. J. Chem., 34(1), 25-28 (2010)
Rahman Bikas et al.
Dalton transactions (Cambridge, England : 2003), 48(36), 13799-13812 (2019-09-05)
Two new trinuclear manganese complexes, [Mn3(L1)(μ-OCH3)2(N3)2]·CH3OH (1) and [Mn3(L2)(μ-OCH3)2(N3)2]·CH3OH (2), have been obtained from the reaction of Mn(OAc)2 4H2O, NaN3 and the preformed N6O4-donor H4L1 or H4L2 compartmental ligands, which are synthesized via Schiff base condensation of pentaethylenehexamine with 2-hydroxybenzaldehyde
Chinmoy Das et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(44), 15639-15650 (2015-09-19)
Three cationic [Ln4 ] squares (Ln=lanthanide) were isolated as single crystals and their structures solved as [Dy4 (μ4 -OH)(HL)(H2 L)3 (H2 O)4 ]Cl2 ⋅(CH3 OH)4 ⋅(H2 O)8 (1), [Tb4 (μ4 -OH)(HL)(H2 L)3 (MeOH)4 ]Cl2 ⋅(CH3 OH)4 ⋅(H2 O)4 (2) and
K Takahashi et al.
Mutation research, 230(2), 127-134 (1990-06-01)
Vanillin and its isomer o-vanillin have an effect on the adaptive and SOS responses, as well as mutagenesis, induced in Escherichia coli by N-methyl-N-nitrosourea (MNU) and UV irradiation, potentiating in some cases and suppressing in others. o-Vanillin markedly inhibited the
The exceptionally rich coordination chemistry generated by Schiff-base ligands derived from o-vanillin
Marius and Andruh
Dalton Transactions, 44, 16633-16653 (2015)
Valeria M Nurchi et al.
Dalton transactions (Cambridge, England : 2003), 40(22), 5984-5998 (2011-05-10)
Proceeding from a ligand constituted by two units of kojic acid linked by a methylene group, which proved a very promising chelator for excess iron(III) and aluminium(III) pathologies, two new ligands have been designed and synthesized: one by adding a
Guangrong Ye et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 23(2), 171-176 (2007-02-14)
A new salicylate-selective PVC membrane electrode based on a new Schiff base tetranuclear copper complex of O-vannlin-methionine (Cu(II)(4)-TVM) as a neutral carrier is described. This electrode displays a preferential potentiometric response to salicylate and an anti-Hofmeister selectivity sequence in the
Jing Hao et al.
Materials (Basel, Switzerland), 11(4) (2018-03-30)
A novel, simple, highly selective, and sensitive fluorescence chemosensor for detecting Cd2+ that was constructed from a bis(salamo)-type compound (H₄L) with two N₂O₂ chelating moieties as ionophore was successfully developed. Sensor H₄L could show fluorescence turn-on response rapidly and significant
Gehad G Mohamed et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 66(4-5), 949-958 (2006-08-08)
Metal complexes of Schiff base derived from condensation of o-vanilin (3-methoxysalicylaldehyde) and sulfametrole [N(1)-(4-methoxy-1,2,5-thiadiazole-3-yl)sulfanilamide] (H2L) are reported and characterized based on elemental analyses, IR, 1H NMR, solid reflectance, magnetic moment, molar conductance, mass spectra, UV-vis and thermal analysis (TGA). From
Ya-Li Sang et al.
Acta chimica Slovenica, 63(4), 856-863 (2016-12-23)
A new trifluoromethylsulfonate salt of 2-[(3-chloropyridinium-2-yl)hydrazonomethyl]-6-methoxyphenol, (HL)CF3SO3, and its copper(II) and cobalt(III) complexes, [CuL(OH2)]CF3SO3 · 0.5H2O (1) and [CoL2]CF3SO3 · CH3OH (2), were prepared and characterized by physico-chemical methods and single crystal X-ray analysis. A trifluoromethylsulfonate anion is present in
Afzal Hussain et al.
Scientific reports, 9(1), 5237-5237 (2019-03-29)
Copper-based compounds are promising entities for target-specific next-generation anticancer and NSAIDS therapeutics. In lieu of this, benzimidazole scaffold plays an important role, because of their wide variety of potential functionalizations and coordination modes. Herein, we report three copper complexes 1-3
Ashley A Reinke et al.
Bioorganic & medicinal chemistry letters, 19(17), 4952-4957 (2009-07-31)
Aggregated amyloid-beta (Abeta) peptide is implicated in the pathology of Alzheimer's disease. In vitro and in vivo, these aggregates are found in a variety of morphologies, including globular oligomers and linear fibrils, which possess distinct biological activities. However, known chemical
Lu-Mei Pu et al.
Molecules (Basel, Switzerland), 23(4) (2018-04-05)
[Co₂(L)Ce(OAc)₃(CH₃CH₂OH)]·1.5CH₃OH∙0.5CH₂Cl₂, a heterotrinuclear Co(II)-Ce(III) bis(salamo)-type complex with a symmetric bi(salamo)-type ligand H₄L and an acyclic naphthalenediol moiety, was designed, synthesized and characterized by elemental analyses, FT-IR, UV-Vis and fluorescence spectroscopy and X-ray crystallography. The X-ray crystallographic investigation revealed the heterotrinuclear
Traian D Pasatoiu et al.
Physical chemistry chemical physics : PCCP, 14(32), 11448-11456 (2012-07-19)
Heterobimetallic [Zn(II)Ln(III)] complexes have been obtained using a compartmental Schiff-base ligand, H(2)valdmpn, resulting from the 2:1 condensation between o-vanillin and 2,2-dimethyl-propilenediamine: [Zn(H(2)O)(valdmpn)Sm(O(2)NO)(3)] 1, [Zn(H(2)O)(valdmpn)Tb(O(2)NO)(3)] 2a, [Zn(H(2)O)(valdmpn)Tb(O(2)NO)(3)]·H(2)O 2b, and [Zn(H(2)O)(valdmpn)Gd(O(2)NO)(3)]·H(2)O 3. The crystal structures of 1, 2b, and 3 have been
Jingqun Gao et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 78(4), 1278-1286 (2011-02-08)
In this work, three o-Vanillin Schiff Bases (o-VSB: o-Vanillin-D-Phenylalanine (o-VDP), o-Vanillin-L-Tyrosine (o-VLT) and o-Vanillin-L-Levodopa (o-VLL)) with alanine constituent were synthesized by direct reflux method in ethanol solution, and then were used to study the interaction to bovine serum albumin (BSA)
Bo Tang et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 59(11), 2519-2526 (2003-09-10)
A novel host inclusion complex of beta-cyclodextrin-o-vanillin benzoylhydrazone (beta-CDP-OVBH) was prepared and characterized by IR and 1H-NMR spectra. A highly selective and sensitive fluorescent determination of trace amounts of zinc was proposed based on the reaction between Zn(2+) and beta-CDP-OVBH
Tuhin Khan et al.
Physical chemistry chemical physics : PCCP, 19(44), 30120-30127 (2017-11-04)
Salophen (N,N'-bis-(salicylidene)-o-phenylenediamine) is a Schiff base, which is weakly emissive in solution, but strongly emissive in the solid state. The trend is reversed in its aluminium complex (SalAl
Saba Mahdavi Hezaveh et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 199, 21-31 (2018-03-22)
The immobilized azo-azomethine receptors on amorphous SiO2, S-B, SiO2 nanoparticles, S-NPs, and NaY zeolite, S-ZY, have been prepared and applied as solid phase sensors for detection of HSO4-, over other interfering anions, in 100% aqueous media. Remarkably, S-B and S-ZY
M Sankarganesh et al.
Journal of photochemistry and photobiology. B, Biology, 176, 44-53 (2017-09-25)
In this research work, we have synthesized new pyrimidine based Schiff base ligand, 2-((4,6-dimethoxypyrimidine-2-yl)methyleneenamino)-6-methoxyphenol (DPMM) capped gold (Au) and platinum (Pt) nanoparticles (NPs) by modified Brust-Schiffrin method. The characteristics of DPMM-Au NPs and DPMM-Pt NPs have been examined by UV-Visible
Chun-Wai Mai et al.
Food & function, 9(6), 3344-3350 (2018-05-29)
Vanilloid (4-hydroxy-3-methoxyphenyl benzenoid) containing foods are reported to possess many biological activities including anti-inflammatory properties. Homodimerisation of the Toll-like receptor-4 (TLR-4)/Myeloid differentiation factor 2 (MD-2) complex results in life-threatening complications in inflammatory disorders. In this study, we report activity of
Hosni Cherif et al.
Journal of clinical medicine, 8(4) (2019-04-03)
Curcumin and o-Vanillin cleared senescent intervertebral disc (IVD) cells and reduced the senescence-associated secretory phenotype (SASP) associated with inflammation and back pain. Cells from degenerate and non-mildly-degenerate human IVD were obtained from organ donors and from patients undergoing surgery for
Vanillin and o-vanillin oligomers as models for dendrimer disassembly
Robert K M et al.
New Journal of Science, 36, 492-505 (2012)
Chao-Bin Xue et al.
Bioorganic & medicinal chemistry, 15(5), 2006-2015 (2007-01-30)
Phenoloxidase (PO), also known as tyrosinase, is a key enzyme in insect development, responsible for catalyzing the hydroxylation of tyrosine into o-diphenols and the oxidation of o-diphenols into o-quinones. Inhibition of PO may provide a basis for novel environmentally friendly
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