2014
DOI: 10.1039/c4ra10399h
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Nanomaterials-based electrochemical detection of chemical contaminants

Abstract: Owing to the high toxicity and detrimental effects of chemical contaminants to human health and the environment, public concerns over chemical contaminants in the environment and in foods have been mounting drastically. It is therefore significant to monitor contaminants via portable sensing devices, which encompass the demands of being low-cost and the potential for online environmental monitoring and food safety applications. This review will assess various concepts and recent advancements in design and the … Show more

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Cited by 156 publications
(59 citation statements)
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References 196 publications
(211 reference statements)
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“…Among these noble metal nanoparticles, metallic Pt nanoclusters have been attracted extensive attention owing to their extraordinary electrocatalytic activities [18][19][20][21][22][23][24]. For example, Miao et al [23] used functionalization of Pt nanoparticles (Pt NPs) for electrochemical detection of nitrite, a detection limit as high as 5 M with a sensitivity of 26.7 A mM −1 was obtained.…”
mentioning
confidence: 97%
See 1 more Smart Citation
“…Among these noble metal nanoparticles, metallic Pt nanoclusters have been attracted extensive attention owing to their extraordinary electrocatalytic activities [18][19][20][21][22][23][24]. For example, Miao et al [23] used functionalization of Pt nanoparticles (Pt NPs) for electrochemical detection of nitrite, a detection limit as high as 5 M with a sensitivity of 26.7 A mM −1 was obtained.…”
mentioning
confidence: 97%
“…Noble metal nanoparticles, due to the high specific surface area, high surface-to-volume ratio, extremely small size and unique physicochemical characteristics, were acted as promising electrocatalyst for electrochemical sensing [18][19][20]. Among these noble metal nanoparticles, metallic Pt nanoclusters have been attracted extensive attention owing to their extraordinary electrocatalytic activities [18][19][20][21][22][23][24].…”
mentioning
confidence: 99%
“…is still a major pursuit. Recent advances in the field of nanotechnology have resulted in the development of a wide range of optical and electrochemical sensors for mercury detection (Govindhan et al 2014;Ding et al 2016;Alex et al 2016;Mao et al 2015;Cui et al 2015;Sun et al 2016). These have shown many favorable advantages over the conventional tools, including low cost of analysis, shorter analysis time, field deployability, high specificity, and ultra-sensitivity.…”
Section: Introductionmentioning
confidence: 99%
“…As mentioned above for the direct electrochemical detection of pesticides, nanotechnology has allowed the construction of new bioelectrochemical interfaces with improved stability of the immobilized bioreceptor, faster electronic transfer rates and overall enhanced analytical performance [52,53]. Also, a variety of electrochemical techniques have been explored in the development of pesticide biosensor approaches, including differential pulse voltammetry, square-wave voltammetry, amperometry, potentiometry and electrochemical impedance spectroscopy .…”
Section: Electrochemical Biosensorsmentioning
confidence: 99%