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作者:Yang Peng , Junwei Di
来源:[J].Ionics(IF 1.674), 2017, Vol.23 (5), pp.1203-1208
摘要:This paper describes the synthesis of nanoporous AuPt nanoparticles (np-AuPt NPs) by galvanic replacement reactions that involve large-sized silver nanoparticles (Ag NPs) electrodeposited upon an indium tin oxide (ITO) film glass as a sacrificial template. Compared to a prev...
作者:Yan Gao , Yiting Wu , Junwei Di
来源:[J].Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy(IF 1.977), 2017, Vol.173, pp.207-212
摘要:Abstract(#br)We have coupled gold nanoparticles (AuNPs) with silver nanoparticles (AgNPs) to assemble a plasmonic sensing platform for colorimetric detection of glucose. In this system, small AuNPs (~ 4 nm) can act as glucose oxidase (GOD) mimic enzyme to catalytically oxidi...
作者:... Li Chen , Ying Wu , Junwei Di
来源:[J].Microchemical Journal(IF 2.879), 2019, Vol.147, pp.955-961
摘要:Abstract(#br)In this study, a highly selective and sensitive colorimetric method is developed for the determination of dopamine (DA) based on the aggregation of small gold nanoparticles (AuNPs). It is relied upon the size-dependent aggregation behavior of AuNPs induced by DA...
作者:Junwei Di , Liang Li ...
来源:[J].Talanta(IF 3.498), 2018, Vol.187, pp.231-236
摘要:Abstract(#br)In this report, a sensitive fluorescence detection of copper (Ⅱ) ion was developed. Although itself only a weak quencher toward gold nanocluster fluorescence, this ion functioned as a catalyst that accelerated the oxidation of iodide into iodine by a strong oxid...
作者:... Panpan Wang , Ying Wu , Junwei Di
来源:[J].Sensors & Actuators: B. Chemical(IF 3.535), 2018, Vol.254, pp.910-915
摘要:Abstract(#br)A cathodic “signal-on” method was developed for the photoelectrochemical detection of Hg 2+ ions. Here, ZnS quantum dots (QDs) capped with mercaptoacetic acid was assembled on the surface of an indium tin oxide (ITO) electrode through electrostatic interaction b...
作者:Junwei Di , Yumei Long ...
来源:[J].Journal of Colloid And Interface Science(IF 3.172), 2017, Vol.505, pp.964-972
摘要:Abstract(#br)In this paper, a new and facile strategy has been demonstrated for the electrochemical determination of tryptophan (Trp), based on graphite-like carbon nitride (g-C 3 N 4 ) nanosheets modified glassy carbon (CNNS/GC) electrode. The g-C 3 N 4 nanosheets were obta...
作者:... Bingbing Feng , Jilin Yan , Junwei Di
来源:[J].Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy(IF 1.977), 2019, Vol.206, pp.97-103
摘要:Abstract(#br)In this work, gold-silver alloy nanoclusters (AuAg NCs) were demonstrated as a novel probe for fluorescent detection of cysteine (Cys). The alloy nanoclusters were fabricated by bovine serum albumin as a template and NaBH 4 as a reducer. They showed a red emissi...
作者:Junwei Di , Yumei Long ...
来源:[J].Electrochimica Acta(IF 3.777), 2015, Vol.186, pp.192-200
摘要:Abstract(#br)This work reports a sensitive sensor for the electrochemical determination of trace mercury (Hg 2+ ) by employing ultrathin graphitic carbon nitride (utg-C 3 N 4 ) nanosheet as enhanced sensing platform. The utg-C 3 N 4 nanosheets were obtained by exfoliating th...
作者:Yuanyuan Lin , Yang Peng , Junwei Di
来源:[J].Sensors & Actuators: B. Chemical(IF 3.535), 2015, Vol.220, pp.1086-1090
摘要:Abstract(#br)Nanoporous gold nanoparticles (np-Au NPs), dispersed on the indium tin oxide film coated glass, were firstly employed to fabricate Hg(II) sensing platform in differential pulse anodic stripping voltammetry (DPASV). The np-Au NPs integrated the features of highly...
作者:Lijun Ding , Yan Gao , Junwei Di
来源:[J].Biosensors and Bioelectronics(IF 5.437), 2016, Vol.83, pp.9-14
摘要:Abstract(#br)Gold nanoparticles (Au NPs) based plasmonic probe was developed for sensitive and selective detection of Cu 2+ ion. The Au NPs were self-assembled on transparent indium tin oxide (ITO) film coated glass substrate using poly dimethyl diallyl ammonium chloride (PD...

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