New Journal of Chemistry
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Heteroleptic copper(I)–phosphine complexes have attracted considerable attention because of their diverse structures, and photophysical and catalytic properties. In this work, a series of heteroleptic diimine–diphosphine Cu(I) complexes (C1–C10) were synthesized quantitively using the designed bipyridine (L1–L4) and bidentate polyphosphine (L5–L8) as functional ligands. These mixed ligand–copper(I) complexes were fully characterized by 1H and 13C NMR spectroscopy, electrospray ionization mass sp...
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#1Shuang ZhaoH-Index: 2
Last. Qingyun LiuH-Index: 11
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Rational design of non-noble metal electrocatalysts is an urgent task to lower the cost of electrocatalysts for methanol oxidation reaction (MOR). Herein, mesoporous Cu-Co3O4 electrocatalysts have been prepared by using two-step reaction. The electrocatalytic activity of a series of pure Co3O4, 5% Cu-Co3O4,15% Cu-Co3O4 and 25% Cu-Co3O4 on electrodes for methanol oxidation is comparatively investigated under alkaline conditions. By virtue of compositional and structural control, the 15% Cu-Co3O4 ...
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#1Ishtiaq KhanH-Index: 3
#1Syed Ishtiaq KhanH-Index: 3
Last. Ataf Ali AltafH-Index: 11
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In this work, nine new mixed-ligand complexes with the general formula [CuBr(TPP)2Tu1–9] were synthesized. The copper(I) complexes of triphenylphosphine (TPP) and different N,N′-disubstituted thioureas (Tu) were characterized via spectroscopic techniques including Fourier transform infrared spectroscopy (FTIR), nuclear magnetic resonance spectroscopy (1H, 13C, and 31P NMR), and single-crystal X-ray diffraction (SC-XRD). The complexes were synthesized via the direct reaction of bromo(tris(triphen...
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In this study we aim to identify the optimal cellulose extraction protocol for 14C dating of wood, with a focus on glacial trees. To achieve this, we compare three cellulose extraction methods on the basis of cellulose yield and 14C age. The study is conducted on 12 wood samples of different species, in varying states of preservation with ages covering the full 14C age range. Cellulose is extracted from each sample following three different protocols selected from the literature: ABA-B, BABAB an...
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#1Renato Pereira Orenha (UNIFRAN - University of Franca (UNIFRAN - Universidade de Franca))
Last. Renato L. T. ParreiraH-Index: 15
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Nitric oxide (NO) molecules are associated with diverse biochemical routes. Ruthenium complexes are widely used as model structures to control NO availability. In this study, the NO release mechanism in trans-[RuCl(NO)(NH3)4]2+ and trans-[Ru(NO)(NH3)4(P(OEt)3)]3+ complexes, containing trans ligands with a π-donor (Cl−) or π-acceptor (P(OEt)3) character, respectively, is elucidated. Typically, a chemical reduction reaction is necessary to facilitate the NO release from these metal complexes. The ...
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#1Md. Abdur RahamanH-Index: 1
#2Bibimaryam MousaviH-Index: 11
Last. Francis VerpoortH-Index: 65
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Metal-organic frameworks (MOFs) are not much investigated as catalysts in copolymer formation with cyclic esters. Herein, we report the ring-opening copolymerization of -caprolactone (CL) with δ-valerolactone (VL) using a recoverable and reusable Ti-metal based MOF, MIL-125 without any co-catalyst in a solvent-free medium. The synthesized copolymers are random in nature, exhibits lower crystallinity than those of the corresponding homo-polymers, and totally free from metal contamination, that e...
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#1Ismail CelikH-Index: 4
#2Meryem ErolH-Index: 3
Last. Gulcan KuyucukluH-Index: 2
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In this study, the antimicrobial activities of previously synthesized 2-(substituted)oxazolo[4,5-b]pyridine derivatives on six bacteria, their twelve drug-resistant isolates, one fungus and two drug-resistant isolates were investigated by microdilution method. P6 (2-(4-trifluoromethylphenyl)oxazolo[4,5-b]pyridine) and P7 (2-(4-trifluoromethoxyphenyl)oxazolo[4,5-b]pyridine) showed better activity against E. faecalis isolate and E. coli isolate than ampicillin with MIC:16 µg/mL. In addition, P5 (2...
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In this study, the new strontium 2D-MOF, {[Sr(AFCA)2(H2O)2]·2H2O}n (AFCA=4-aminofurazan-3-carboxylic acid), was successfully prepared by slow evaporation at room temperature. Its structure was characterized by X-ray single-crystal diffractometer. DTA as an efficient thermal analysis method was used in this study to have a better understanding of the thermal decomposition of ammonium perchlorate (AP). The Kissinger’s and the Ozawa–Doyle’s methods were also applied to determine the apparent activa...
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#1Wenhui WeiH-Index: 2
#2Shijian LuoH-Index: 3
Last. Min Luo
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Hydrated Ammonium metal phosphates(AMPs) with more electractive site and the intercalated water are the current research focus in the field of supercapacitor. Herein, we development a novel approach that Co-MOF(ZIF-67) as a precursor was introduced into the confine space of MXene layer and as-prepared MOF/Ti3C2Tx was subsequent in-situ etched in a solution of (NH4)2HPO4 to transform into NH4CoPO4•H2O nanoparticles with uniform distribution on the surface of Ti3C2Tx. NH4CoPO4 nanoparticles were e...
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#1Chen Min (GUET: Guilin University of Electronic Technology)H-Index: 2
#2Haimei Li (GUET: Guilin University of Electronic Technology)
Last. Guiyin Li (GUET: Guilin University of Electronic Technology)H-Index: 14
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Glypican-3 (GPC3) is a potential hepatocellular carcinoma (HCC) serum marker with good sensitivity and specificity. Herein, a label-free electrochemical aptasensor for the detection of GPC3 was developed using a reduced graphene oxide–hemin–chitosan (RGO–H–CS) nanocomposite-modified screen-printed electrode (SPE) as a biosensing platform and GPC3 aptamer as the recognition element. When GPC3 was present, the aptamer could specifically bind with the target GPC3 by specific recognition reaction an...
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