Monthly Archives: October 2023

Preparation and characterization of a homogeneous immunoassay for point-of-care testing (POCT) of procalcitonin (PCT)

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Anal. Methods, 2023, 15,5002-5009
DOI: 10.1039/D3AY00890H, Paper
Zhaoying Li, Weixiang Zhai, Lu Wang, Jiyang Liu, Chunjie Li, Liang Xu
Sensitive Measuring Interaction-triggered Luminescence Experiment (SMILE), a homogeneous immunoassay method, was established for point-of-care testing (POCT) of procalcitonin (PCT).
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A 1,8-naphthalimide based chemosensor for intracellular and biofluid detection of Pd2+ ions: microscopic and anticounterfeiting studies

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Anal. Methods, 2023, 15,5010-5017
DOI: 10.1039/D3AY00948C, Paper
Sanjeev Kumar, Neha Sharma, Satwinder Singh Marok, Satwinderjeet Kaur, Prabhpreet Singh
We integrated penta ethylene glycol with 1,8-naphthalimide for (i) nanomolar detection of Pd2+ ions in water, biofluids and live cells supported by morphological studies and (ii) anticounterfeiting labels.
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Detection of cyanide and sulfide ions by different mechanisms using a fluorescent chemical sensor containing a fluorophore and a potential ligand for metal complexes

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Anal. Methods, 2023, 15,4918-4925
DOI: 10.1039/D3AY00962A, Paper
Min Ji Kim, Su Bin Han, Soo Suk Lee
A fluorescent chemical sensor for the detection of CN− and S2− was demonstrated based on BPMA-Flu–Cu2+ complex. Addition of Cu2+ to BPMA-Flu quenches fluorescence, but addition of CN− and S2− restores fluorescence.
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Fabrication of an electrochemical aptasensor for the determination of sarcosine based on synthesized CuCo2O4 nanosheets

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Anal. Methods, 2023, 15,4938-4945
DOI: 10.1039/D3AY01149F, Paper
Somayeh Farokhi, Mahmoud Roushani, Zahra Saedi
CuCo2O4 nanosheets have been successfully synthesized. The synthesized CuCo2O4 nanostructures were used as a high-performance platform for designing a sarcosine electrochemical aptasensor.
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An indirect competitive assay-based method for the sensitive determination of tetracycline residue using a real-time fluorescence-based quantitative polymerase chain reaction

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Anal. Methods, 2023, 15,4892-4899
DOI: 10.1039/D3AY01072D, Paper
Tianying Sheng, Hanyu Chen, Yingying Lei, Baozhong Zhang, Huina Zhu
A new method that is highly sensitive in the detection of TC residues has been established based on an indirect competition method and real-time fluorescence-based quantitative polymerase chain reaction.
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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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