Monthly Archives: October 2023

Method for determining resin cure kinetics with low-frequency Raman spectroscopy

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Analyst, 2023, Advance Article
DOI: 10.1039/D3AN01099F, Paper
Open Access Open Access
Creative Commons Licence  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Robert V. Chimenti, Alexandra M. Lehman-Chong, Alyssa M. Sepcic, Jamison D. Engelhardt, James T. Carriere, Kayla A. Bensley, Adam Markashevsky, Jianwei Tu, Joseph F. Stanzione, Samuel E. Lofland
A novel, non-contact, non-destructive, and chemically agnostic methodology for measuring polymerization extent of cure kinetics using low-frequency Raman spectroscopy.
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Hairpin DNA-based Electrochemical Amplification Strategy for miRNA Sensing by Using Single Gold Nanoelectrodes

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Analyst, 2023, Accepted Manuscript
DOI: 10.1039/D3AN01551C, Paper
Hao Wang, Bingning Yang, Haoran Tang, Sufang Ding, Gen Liu
A new sensor has been developed to detect miRNA-15 using nanoelectrodes and a hairpin DNA-based electrochemical amplification technique. By utilizing a complex DNA cylinder connected with hairpin DNA1, the sensor...
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Plasmonic Nanoparticle Etching based Optical Sensors: Current Status and Future Prospects

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Analyst, 2023, Accepted Manuscript
DOI: 10.1039/D3AN01244A, Critical Review
E. T. Athira, Jitendra Satija
Plasmonic nanoparticles are an emerging tool for developing label-free multicolorimetric sensors for biosensing and chemosensing applications. The color absorbed by nanoparticles from visible light is influenced by their size, shape,...
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Lab-on-a-Drone: remote voltammetric analysis of lead in water with real-time data transmission

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Anal. Methods, 2023, 15,4827-4833
DOI: 10.1039/D3AY01088K, Paper
João Paulo B. de Almeida, Vinicius de A. Carvalho, Leandro P. da Silva, Maysa L. do Nascimento, Severino B. de Oliveira, Matheus V. Maia, Willian T. Suarez, Carlos D. Garcia, Vagner B. dos Santos
The present work describes a laboratory-on-a-drone (Lab-on-a-Drone) developed to perform in situ detection of contaminants in environmental water samples.
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Preparation of a hydrophilic nanofiber membrane by electrospinning for application in the detection of NO2 by chemiluminescence

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Anal. Methods, 2023, 15,5250-5258
DOI: 10.1039/D3AY00936J, Paper
ZhiJin Xie, WenYuan Tan, YaLin Xiong, ShaoLin Deng, Jing Zhang
The strong hydrophobicity of the PVDF membrane is prone to contamination that is hard to clean for long-term usage.
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A spectIR-fluidic reactor for monitoring fast chemical reaction kinetics with on-chip attenuated total reflection Fourier transform infrared spectroscopy

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Anal. Methods, 2023, 15,5129-5138
DOI: 10.1039/D3AY00842H, Paper
Nan Jia, Leon Torres de Oliveira, André Bégin-Drolet, Jesse Greener
Infrared spectroscopy combined with customized microfluidic reactor yields the SpectIR-fluidic reactor. We validate the tool using a proton transfer reaction and demonstrate its ability to follow reactions after just 130 milliseconds of mixing.
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Application of surface-enhanced Raman scattering to qualitative and quantitative analysis of arsenic species

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Anal. Methods, 2023, 15,4798-4810
DOI: 10.1039/D3AY00736G, Tutorial Review
Xamsiya Nurmamat, Zhixi Zhao, Hadiya Ablat, Xiaoyan Ma, Qingqing Xie, Ziqi Zhang, Jianrong Tian, Huiying Jia, Fupeng Wang
Given the toxicity of arsenic, there is an urgent need for the development of efficient and reliable detection systems.
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High-efficiency SERS platform based on 3D porous PPDA@Au NPs as a substrate for the detection of pesticides on vegetables

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Anal. Methods, 2023, 15,4842-4850
DOI: 10.1039/D3AY00808H, Paper
Zhiyou Zeng, Xiaoyu Yang, Yongguo Cao, Sanshan Pu, Xinyu Zhou, Rongli Gu, Yiqian Zhang, Caijun Wu, Xiaojun Luo, Yi He
A 3D composite nanoparticle of porous PDA microspheres and Au NPs (PPDA@Au NPs) is proposed as a SERS substrate to detect pesticides. Porous PPDA nanospheres as a carrier and reductant to immobilize Au NPs for enhancing the Raman signal.
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Sensitive determination of thiram in apple samples using a ZIF-67 modified Si/Au@Ag composite as a SERS substrate

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Anal. Methods, 2023, 15,4851-4861
DOI: 10.1039/D3AY01338C, Paper
Rui Yang, Baowen Zhang, Ya Wang, Yi Zheng, Qian Zhang, Xiupei Yang
Si/Au@Ag/ZIF-67 composite films prepared via self-assembly were employed as SERS-active substrates. The proposed substrates were used for rapid and sensitive detection of 4-ATP and thiram.
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