Development and validation of an improved QuEChERS method for the extraction of semi-volatile organic compounds (SVOCs) from complex soils

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Anal. Methods, 2023, 15,4767-4776
DOI: 10.1039/D3AY01326J, Paper
Hongbo Lou, Fujia Wang, Hangchen Zhao, Sufang Wang, Xinxin Xiao, Yanmei Yang, Xiaowei Wang
Developed is a fast, low-cost, and efficient pre-treatment method that can extract semi-volatile organic compounds from coking polluted soil, save a lot of time and reduce the amount of organic solvents used.
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Super-resolution Raman imaging towards visualisation of nanoplastics

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Anal. Methods, 2023, Advance Article
DOI: 10.1039/D3AY01176C, Paper
Cheng Fang, Yunlong Luo, Ravi Naidu
Through algorithmic enhancements, general confocal microscopy can effectively break through the diffraction limit of excitation light, enabling super-resolution Raman imaging for precise nanoplastic detection and visualisation.
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Microplastic in situ detection based on a portable triboelectric microfluidic sensor

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Anal. Methods, 2023, 15,4718-4727
DOI: 10.1039/D3AY01286G, Paper
Abbas Motalebizadeh, Somayeh Fardindoost, Julia Jungwirth, Nishat Tasnim, Mina Hoorfar
This study reports a triboelectric microfluidic sensor for in situ measurement of the size and concentration of microplastics in water sources for environmental detection.
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Development of an image-based fluorometer with smartphone control for paper analytical devices

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Anal. Methods, 2023, 15,4954-4963
DOI: 10.1039/D3AY01020A, Paper
Dênis Omael Silva Pereira, Mariana Mourão Matos, Alexandre Fonseca
This work describes the construction and evaluation of a fluorometer for use in paper analytical devices, using a smartphone to operate the instrument and to perform real-time image-based detection.
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An electrochemically fabricated ZIF-67/[HOEMIM]BF4 coating for the solid-phase microextraction and detection of polycyclic aromatic hydrocarbons

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Anal. Methods, 2023, 15,4883-4891
DOI: 10.1039/D3AY01174G, Paper
Jingwen Lin, Xuening Gao, Linbo Gong, Xiaoqing Zhang, Tianning Li, Faqiong Zhao, Baizhao Zeng
A novel coating named ZIF-67/[HOEMIM]BF4 was fabricated through in situ potentiostatic electrodeposition. This developed method provided a simple process with reduced processing time, enhanced extraction performance and improved practicality.
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Simultaneous detection of dopamine and ascorbic acid by using a thread-based microfluidic device and multiple pulse amperometry

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Anal. Methods, 2023, 15,4862-4869
DOI: 10.1039/D3AY00693J, Paper
Vanessa W. dos Santos, Gustavo Martins, Jeferson L. Gogola, Cristiane Kalinke, Deonir Agustini, Márcio F. Bergamini, Luiz H. Marcolino-Junior
This study presents a novel approach for the simultaneous detection of ascorbic acid (AA) and dopamine (DA) using an affordable and user-friendly microfluidic device.
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A feasibility study of direct analysis in real time-mass spectrometry for screening organic gunshot residues from various substrates

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Anal. Methods, 2023, 15,4744-4757
DOI: 10.1039/D3AY01258A, Paper
Thomas D. Ledergerber, William Feeney, Luis Arroyo, Tatiana Trejos
This study reports the use of direct analysis in real time-mass spectrometry (DART-MS) for the detection of organic gunshot residues (OGSR) in a variety of matrices of interest for forensics, customs, and homeland security.
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Rapid probing of glucose influx into cancer cell metabolism: using adjuvant and a pH-dependent collection of central metabolites to improve in-cell D-DNP NMR

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Anal. Methods, 2023, 15,4870-4882
DOI: 10.1039/D3AY01120H, Paper
Francesca Sannelli, Ke-Chuan Wang, Pernille Rose Jensen, Sebastian Meier
Using an NMR assay with hyperpolarized glucose and NMR silent additive, we find that a recently proposed effect of pyruvate in the tumor environment is paralleled by a rerouting of cancer cell metabolism towards producing building blocks.
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Controllable preparation of long wavelength carbon dots and their application in fluorescence detection

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Anal. Methods, 2023, 15,4692-4699
DOI: 10.1039/D3AY00969F, Paper
Yafeng Deng, Di Liu, Ting Guo, Jun Qian, Yihua Zhou
By adjusting the reactants and reaction conditions, the particle size and surface state of fluorescent carbon dots (CDs) can be controlled, and CDs with different photoluminescence colors can be finally prepared.
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