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Construction of a three-mode sensor based on gold nanoparticles and carbon quantum dots as probes for the detection of thiosemicarbazone

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Anal. Methods, 2024, 16,2127-2134
DOI: 10.1039/D4AY00256C, Paper
Zhili Liu, Xiaojun Wang, Jing Li, Wenfeng Zhou, Haixiang Gao, Runhua Lu
A three-mode sensor for thiocarbazone (TSC) was constructed based on gold nanoparticles and carbon quantum dots (CQDs). (A) Synthesis process of CQDs using ginkgo leaves. (B) Colorimetric and chrominance TSC detection. (C) Fluorescence detection of TSC.
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A screening method for the quantitative determination of selective androgen receptor modulators (SARMs) in capsules by high resolution 19F- and 1H-NMR spectroscopy

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Anal. Methods, 2024, 16,2135-2146
DOI: 10.1039/D4AY00188E, Paper
Alessandro Maccelli, Anna Borioni, Federica Aureli, Maria Cristina Gaudiano, Livia Manna, Mariangela Raimondo
A new method for rapid determination of selective androgenic receptor modulators (SARMs) andarine, cardarine, ligandrol, ostarine and S-23 in capsules by 1H- and 19F-high resolution NMR spectroscopy was described and validated.
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Nanocubic cobalt-containing Prussian blue analogue-derived carbon-coated CoFe alloy nanoparticles for noninvasive uric acid sensing

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00121D, Paper
Yunting Qin, Dan Xiao, Xilan Gao, Xicui Zhang, Yanxue Xu
This work describes an electrochemical sensor for the fast noninvasive detection of uric acid (UA) in saliva.
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An on-line SPE-LC-MS/MS method for quantification of nucleobases and nucleosides present in biological fluids

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00100A, Paper
Yi-Ming Liu, Shuguan Wang, Amani Dickenson, Jinghe Mao, Xiaolin Bai, Xun Liao
A facile on-line SPE-LC-MS/MS method for quantification of nucleobases and nucleosides in urine and saliva.
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Rapid and green quantification of phloridzin and trilobatin in Lithocarpus litseifolius (Hance) Chun (sweet tea) using an online pressurized liquid extraction high-performance liquid chromatography at equal absorption wavelength method

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00170B, Paper
Zhengming Qian, Qinggui Lei, Dan Tang, Guoying Tan, Qi Huang, Fucai Zhou, Wenhao Wang
Sweet tea is a functional herbal tea with anti-inflammatory, anti-diabetic, and other effects, in which phloridzin and trilobatin are two functional compounds.
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Aptamer aided plasmonic nano-urchin for reporter free surface-enhanced Raman spectroscopy analysis of cortisol

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Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00401A, Paper
Chengyu Li, Jing Hu, Nan Hu, Jianjun Zhao, Qianwen Li, Yanhui Han, Yanxiong Liu, Xufang Hu, Liyan Zheng, Qiu-E Cao
Cortisol is a vital glucocorticoid hormone reflecting stress levels and related disease processes. We present an aptamer functionalized plasmonic nano-urchin (α-FeOOH@Au-aptamer) aided cortisol capturing and Surface-enhanced Raman spectroscopy (SERS) analysis...
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Luminescent and time-resolved determination of gemifloxacin mesylate in pharmaceutical formulations and spiked blood plasma samples using a lanthanide complex as a probe

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00236A, Paper
Gasser M. Khairy, Rania M. Goda, Zeinab M. Anwar, Mohamed M. Aboelnga, Axel Duerkop
A new luminescent europium probe for the determination of the antibiotic gemifloxacin is presented. Time-resolved luminescence enables its quantitation in pharmaceutical formulations and blood samples.
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On paper characterisation of droplet and evaporation study using impedance spectroscopy

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00303A, Paper
O. Kare Siva Prakasam, Akashlina Basu, Koel Chaudhury, Soumen Das
A paper chip employs an impedance method to determine the characteristics of the droplet. We compare the traditional evaporation method with the electrical method to study the evaporation of various liquids.
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One-step electrodeposited hybrid nanofilms in amperometric biosensor development

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00290C, Tutorial Review
Yuliya E. Silina
This review summarizes developments in amperometric biosensors with electrodeposited sensing films. It was shown how the analytical merit of one-step designed biosensors can be controlled by the change of chemical factors within the same engineering platform.
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Correction: An impedimetric sensor based on molecularly imprinted nanoparticles for the determination of trypsin in artificial matrices – towards point-of-care diagnostics

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY90029D, Correction
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Sabrina Di Masi, Marco Costa, Francesco Canfarotta, Antonio Guerreiro, Alicia Hartley, Sergey A. Piletsky, Cosimino Malitesta
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A Rapid and Sensitive Aptamer-Based Biosensor for Beta-lactoglobulin in milk

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Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00460D, Paper
Anqi Liu, Meng Jiang, Yuyin Wu, Han Guo, Ling Kong, Zhiwei Chen, Zhaofeng Luo
β-Lactoglobulin, a naturally occurring milk protein and a major cause of milk allergy in infants, was the focus of this study. A highly selective, sensitive, and cost-effective BLI biosensor was...
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Study on the affinity sites of cadmium's binding to ligands by thermodynamics and nuclear magnetic resonance spectroscopy

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D3AY02253F, Paper
Jinsong Yu, Xu Huang, Xiuxiu Wu, Hui Cao, Min Yuan, Tai Ye, Fei Xu
According to the experimental parameters for the interaction of Cd(II) with ligands, the binding sites of Cys and GSH were –SH, –NH2 and –COOH, and the thermodynamic behaviour of Cd(II) with Cys/GSH in boric acid and HEPES buffers was different, exothermic in HEPES but endothermic in boric acid.
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Analysis of O-acetylated sialic acids by 3-nitrophenylhydrazine derivatization combined with LC-MS/MS

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00330F, Paper
Chenhao Zhao, Xingdan Wang, Jing Wu, Yeli Hu, Qiwei Zhang, Qi Zheng
The 3-NPH-labeled sialic acids produce a high abundance of reporter ions, which can improve the accuracy of quantitative analysis of O-acetylated species.
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The selective extraction of dietary polyamines from chicken breast using the application of a lab-on-a-chip electromembrane and dispersive liquid–liquid microextraction followed by gas chromatography-mass spectrometry

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D3AY02172F, Paper
Fatemeh Barzegar, Samaneh Nabizadeh, Marzieh Kamankesh, Jahan B. Ghasemi, Abdorreza Mohammadi
Excessive dietary polyamines (PAs), including putrescine (PUT), spermine (SPM), and spermidine (SPD), have become a worldwide concern due to their carcinogenicity and reduced shelf life.
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Simple and convenient preconcentration procedure for the isotopic analysis of uranium in seawater

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D3AY01381B, Paper
Minami Abe, Noriaki Seko, Hiroyuki Hoshina, Shigeki Wada, Shinya Yamasaki, Keisuke Sueki, Aya Sakaguchi
Amidoxime adsorbent was synthesised by graft polymerisation. The adsorbent was efficient for collection of U in seawater for both the adsorption and desorption steps, thus affording a new strategy for measurement of U isotopes.
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An efficient electrochemical sensor based on the Ce-MOF/g-C3N5 composite for the detection of nitrofurazone

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D3AY02221H, Paper
Jianxia Gu, Yiqiong Jia, Zhanbin Jin, Tingting Wei, Yongxia Li
The Ce-MOF/g-C3N5 composite was first constructed using a simple reflux method in an oil bath, and the electrochemical sensor fabricated based on this composite shows excellent detection performance in nitrofurazone detection in practical samples.
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Dual-mode detection of 2,6-pyridinedicarboxylic acid based on the enhanced peroxidase-like activity and fluorescence property of novel Eu-MOFs

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00331D, Paper
Jintao Yi, Xianqin Han, Jiahao Jian, Yayan Lai, Jun Lu, Lei Peng, Zhongkai Liu, Jun Xue, Hui Zhou, Xun Li
The dual-mode fluorescence and colorimetric detection of 2,6-pyridinedicarboxylic acid (DPA) based on the enhanced peroxidase-like activity and fluorescence property of a novel MOF.
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Near-infrared responsive gold nanorods for highly sensitive colorimetric and photothermal lateral flow immuno-detection of SARS-CoV-2

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00347K, Paper
Xiaohui Liu, Jingwen Li, Kun Wang, Xiang Li, Shenming Wang, Gengchen Guo, Qiaowen Zheng, Maosheng Zhang, Jingbin Zeng
We developed a colorimetric and photothermal dual-mode LFIA platform for sensitive and selective SARS-CoV-2 N protein detection based on gold nanorods.
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Discrimination of Diptera order insects based on their saturated cuticular hydrocarbon content using a new microextraction procedure and chromatographic analysis

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Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00214H, Paper
Open Access
Lixy Olinda León-Morán, Marta Pastor-Belda, Pilar Viñas, Natalia Arroyo-Manzanares, María Dolores García, María Isabel Arnaldos, Natalia Campillo
The nature and proportions of hydrocarbons in the cuticle of insects is characteristic of the species and age. Chemical analysis of cuticular hydrocarbons allows species discrimination, which is of great...
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A Multimode Biosensor Based on Prussian Blue Nanoparticle Loaded with Gold Nanoclusters for the Detection of Aflatoxin B1

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Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D3AY02330C, Paper
zhaodi Fu, juan Huang, Wei Wei, zhihui Wu, Xingbo Shi
Herein, a novel fluorescent/colorimetric/photothermal biosensor is proposed for aflatoxin B1 (AFB1) detection in food based on Prussian blue nanoparticles (PBNPs) (~50 nm), gold nanocluster (AuNCs) and aptamer (Apt) within three...
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Dual-signal detection of tannin acid in red wines based on peroxidase activity carbon dots

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Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00526K, Paper
Bin Liu, Yu Yin, qianwen Li, wanwan Li, Fubing Xiao, Jinquan Liu, Yan Tan, Shengyuan Yang
Herein, a novel sort of phosphorus and iron-doped carbon dots (P,Fe-CDs) with outstanding peroxidase activity and excellent fluorescence performance was hydrothermally synthesized to colorimetrically and fluorimetrically detect tannic acid (TA)....
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Solid phase microextraction – the future technique in pharmacology and coatings trends

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Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00187G, Minireview
Aleksandra Owczarzy, Karolina Kulig, Katarzyna Piordas, Patrycja Piśla, Patrycja Sarkowicz, Wojciech Rogóż, Małgorzata Maciążek-Jurczyk
Traditional sample preparation techniques based on liquid-liquid extraction (LLE) or solid phase extraction (SPE) often suffer from a major error due to the matrix effects caused by significant co-extraction of...
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A simple, fast and inexpensive approach to quantify low concentrations of iron in biodiesel by voltammetry after extraction induced by microemulsion breaking

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Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00342J, Paper
Cristian Henrique Krause, Alexandre Batista Schneider, Leandro Kolling, Lauren Thauani Teixeira Oliveira, Márcia M. Silva
An alternative approach to assay iron (Fe) in biodiesel by differential pulse adsorptive cathodic stripping voltammetry (DPAdCSV) is presented herein. The sample treatment involved a simple, rapid, but effective extraction...
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Converging optical and electrochemical detection strategies for multimodal hydrazine sensing: insights into substituent-driven diverse response

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00063C, Paper
Rikitha S. Fernandes, Sahil Deepak Vasistha, Ritesh Kumar Singh, Sanket Goel, Nilanjan Dey
A pair of pyrene-based chalcogen derivatives have been developed, which demonstrate multimodal ratiometric response towards hydrazine.
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A novel ratiometric sensor for fluorimetric and visual dual-mode detection of Al3+ in environmental water based on the target-regulated formation of Eu MOFs

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00324A, Paper
Tao-Li Chen, Xiang-Juan Kong, Xin-Xin Dong, Zhi-Jie Mao, Fang-Fang Kong, Qiang Xiao
The illustration of the ratiometric sensor for fluorimetric (A) and visual detection (B) of Al3+.
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Layer-by-layer assembly of homopolypeptide polyelectrolytes on asymmetric nanochannels for the detection of nickel ions

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00422A, Paper
Pengrong An, Jincan Yang, Tianming Wang, Saiwen Lu, Dehao Wang, Zhuoyue Wang, Chun-Lin Sun, Chuanguang Qin, Jun Li
We report PA-γ-PGA-modified asymmetric nanochannels that enable ultra-sensitive detection of Ni2+ (limit of detection is 1 × 10−8 M).
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Caffeine quantification in dietary supplements using high-throughput on-line solid phase extraction coupled to Venturi easy ambient sonic-spray ionization mass spectrometry

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00333K, Paper
David Ulisses Tega, Luan Felipe Campos Oliveira, Patrick Cesar Ferreira, Bruna Beatriz Soldera, Heliara Dalva Lopes Nascimento, Marcos Nogueira Eberlin, Alessandra Sussulini
Optimization of a LC-V-EASI-MS system. Employment of LC-V-EASI-MS and online SPE to enhance analytical performance for caffeine determination reaching 90 s per sample.
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Field method for preservation of total mercury in waters, including those associated with artisanal scale gold mining

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D3AY02216A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
David C. P. King, Michael J. Watts, Elliott M. Hamilton, Robert J. G. Mortimer, Mike Coffey, Odipo Osano, Maureene Auma Ondayo, Marcello Di Bonito
A method was developed for sampling and preserving total Hg from water samples, recovering >75% Hg over 4 weeks of storage. The method was assessed using water samples at artisanal gold mining sites in Kenya.
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Antibody-labeled Gold Nanoparticles Based Resonance Rayleigh Scattering Detection of S100B

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Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00335G, Paper
tiantian Wang, yonghui Wang, junbo Li
Traumatic brain injury (TBI) is a sudden brain injury due to an external force that causes a large number of deaths and permanent disabilities every year. S100B has been recognized...
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Rapid detection of monkeypox virus and differentiation of West African and Congo Basin strains using endonuclease restriction-mediated real-time PCR-based testing

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00492B, Paper
Juan Zhou, Fei Xiao, Xiaolan Huang, Jin Fu, Nan Jia, Chunrong Sun, Min Chen, Zheng Xu, Hui Huang, Yi Wang
A novel multiplex ET-PCR assay that integrates PCR amplification, restriction endonuclease cleavage and real-time fluorescence detection was devised to diagnose MPXV infection and distinguish the Congo Basin and West Africa MPXV strains.
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Ag-coated tetrapod gold nanostars (Au@AgNSs) for acetamiprid determination in tea using SERS combined with microfluidics

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00297K, Paper
Qian Ke, Limei Yin, Heera Jayan, Hesham R. El-Seedi, Xiaobo Zou, Zhiming Guo
The combination of highly sensitive SERS substrate core–shell Au@AgNSs and microfluidic chip featuring four circular split hybrid structures were used for quantitative detection of acetamiprid in tea. The LOD of acetamiprid was 0.048 ng mL−1.
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Development of a label-free, sensitive gold nanoparticles-poly (adenine)aptasensing platform for colorimetric determination of aflatoxin B1 in corn

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Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00605D, Paper
Omid Heydari Shayesteh, Katayoun Derakhshandeh, Akram Ranjbar, Reza Mahjub, Abbas Farmany
In this work, a sensitive colorimetric bioassay method based on poly (adenine) aptamer (polyA apt) and gold nanoparticles (AuNPs) was developed to the determination of aflatoxin B1 (AFB1). The polyA...
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Statistical approaches to Raman imaging: principal component score mapping

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00171K, Paper
Open Access
Elia Marin, Davide Redolfi Bristol, Alfredo Rondinella, Alex Lanzutti, Pietro Riello
We propose and benchmark test a universal protocol for the analysis of huge Raman imaging datasets, by applying PCA on raw, unprocessed data.
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A novel fluorescent probe with a large Stokes shift for colorimetric and selective detection of cysteine in water, milk, cucumber, pear and tomato

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Anal. Methods, 2024, 16,2322-2329
DOI: 10.1039/D3AY02322B, Paper
Lin Luo, Ranran Guo, Lianjie Wang, Xixi Song, Zhao Wang, Junliang Wu
A novel fluorescent probe for colorimetric and selective detection of cysteine was efficiently constructed through a simple and mild reaction conditions. Probe 2 displays a linear response to Cys concentrations (0–30 μM), low detection limit (0.89 μM), large Stoke shift (125 nm).
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A three-dimensional network structure of metal-based nanozymes for the construction of colorimetric sensors for the detection of antioxidants

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Anal. Methods, 2024, 16,2292-2300
DOI: 10.1039/D3AY02199H, Paper
Shuo Qin, Bin Liu, Yuting Xue, Ruixue Zhao, Guo Wang, Kai Li, Lirong Zheng, Pingyang Wang, Tianhao Tang, Yue Yang, Zhengbo Chen, Xia Zuo
Although many excellent nanozymes have been developed, designing and synthesizing highly active nanozymes is still challenging.
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Heparin-stabilized gold nanoparticles embedded in graphene for the electrochemical determination of esculetin

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Anal. Methods, 2024, 16,2256-2266
DOI: 10.1039/D4AY00229F, Paper
Vinicius José da Silva, Luan Gabriel Baumgarten, Juliana Priscila Dreyer, Edson Roberto Santana, Almir Spinelli, João Paulo Winiarski, Iolanda Cruz Vieira
A conductive nanocomposite consisting of heparin-stabilized gold nanoparticles embedded in graphene was prepared for esculetin determination in tea and jam samples.
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Direct solid sample analysis of low-cost jewelry using spectroanalytical techniques: exploratory chemical data evaluation and metal migration with synthetic sweat

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Anal. Methods, 2024, 16,2286-2291
DOI: 10.1039/D4AY00325J, Paper
Thaila Lorena de Araújo, Fabiola Manhas Verbi Pereira, Edenir Rodrigues Pereira-Filho
Jewelry samples were directly analyzed using LIBS and XRF.
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A pH-response-based fluorescent probe for detecting the mitophagy process by tracing changes in colocalization coefficients

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Anal. Methods, 2024, 16,2241-2247
DOI: 10.1039/D4AY00211C, Paper
Nongyi Hao, Zekun Jiang, Lina Zhou, Xiaoyu Dai, Xiuqi Kong
A novel pH-response fluorescent probe MP for the detection of mitophagy process via tracing colocalization coeffcients was developed.
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Construction of a stable fluorescent sensor based on CsPbBr3/CdS core/shell quantum dots for selective and sensitive detection of tetracycline in ethanol

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Anal. Methods, 2024, 16,2267-2277
DOI: 10.1039/D4AY00032C, Paper
Yang He, Yangjie Li, Han Wang, Site Luo, Haihu Yu
Construction of a stable fluorescent sensor based on CsPbBr3/CdS core/shell quantum dots for selective and sensitive detection of tetracycline in ethanol via a mechanism integrating photoinduced electron transfer.
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Phenylboronic acid modification-based novel dumbbell-shaped Au–Ag nanorod SERS substrates for ultrasensitive detection of SO42−

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Anal. Methods, 2024, 16,2311-2321
DOI: 10.1039/D3AY01831H, Paper
Kang Shen, Caili Bi, Haifan Yang, Miaowen Xu, Lili Huang, Youwei Wang
Based on the coordination principle of Lewis acids, a novel 4-MPBA-modified dumbbell-shaped Au–Ag nanorod (4-MPBA@DS Au–AgNR) SERS substrate was developed to realize the high sensitivity and specificity of SO42− detection.
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Advancements in the development of fluorescent chemosensors based on CN bond isomerization/modulation mechanistic approaches

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Anal. Methods, 2024, 16,2198-2228
DOI: 10.1039/D3AY02321D, Critical Review
Arpna Tamrakar, Manzoor Ahmad Wani, Gargi Mishra, Ankur Srivastava, Rampal Pandey, Mrituanjay D. Pandey
The CN bond isomerization/modulation as a fluorescence signalling mechanism was explored by studying the photophysical properties of conformationally restricted molecules.
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Characterizing a visual lateral flow device for rapid SARS-CoV-2 virus protein detection: pre-clinical and system assessment

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Anal. Methods, 2024, Advance Article
DOI: 10.1039/D3AY02075D, Paper
Natpapas Wiriyachaiporn, Jetnapang Kongrueng, Kannika Sukkuea, Rattana Tanrattanawong, Jarunee Vanichtanankul, Thanaya Saeyang, Tararat Jantra, Deanpen Japrung, Weerakanya Maneeprakorn, Suwussa Bamrungsap, Pareena Janchompoo, Ekawat Pasomsub
Analytical and pre-clinical evaluation of a visual screening lateral flow device for SARS-CoV-2 virus protein detection and its system characterization.
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A complementary method with PFBBr-derivatization based on a GC-EI-MS platform for the simultaneous quantitation of short-, medium- and long-chain fatty acids in murine plasma and feces samples

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Anal. Methods, 2024, 16,2330-2339
DOI: 10.1039/D3AY02271D, Paper
Hong-Xu Zhou, Qing Jiang, Xin He, Xian Fu, Jun-Yan Liu
Fatty acids (FAs) are essential molecules in all organisms and are involved in various physiological and pathophysiological processes.
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Dual-functional porphyrinic zirconium-based metal–organic framework for the fluorescent sensing of histidine enantiomers and Hg2+

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Anal. Methods, 2024, 16,2386-2399
DOI: 10.1039/D3AY02241B, Paper
Shili Qin, Fanshu Meng, Fenglong Jin, Xidi Xu, Ming Zhao, Hongtao Chu, Lidi Gao, Shuren Liu
L-Cys/PCN-222 as a novel and dual-functional fluorescent sensor was developed. It not only showed a higher chiral fluorescent recognition of L-histidine but also performed as a visual sensor for Hg2+ in actual surface water.
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Construction of coumarin-appended calix[4]arene-based fluorescence sensor for the detection of carbofuran in cabbage

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Anal. Methods, 2024, 16,2400-2411
DOI: 10.1039/D4AY00030G, Paper
Heni Soni, Nidhi Verma, Divyesh Y. Chaudhari, Sahaj A. Gandhi, Alok Pandya, Pinkesh G. Sutariya
This study presents a novel approach for the detection of carbofuran (CBF) insecticide by exploring a calix[4]arene-derived fluorescence probe, CouC4S, functionalized with two coumarin-labelled at the narrow edge of the calix[4]arene platform.
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Fe3+-induced luminescence quenching in carbon dots – mechanism unveiled

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Anal. Methods, 2024, 16,2349-2358
DOI: 10.1039/D3AY02202A, Paper
Varsha Raveendran P.T., Anjali C., Renuka Neeroli Kizhakayil
Luminescence quenching in carbon dots with an increase in Fe3+ concentration and the quantitative variation in luminescence intensity with added ferric ions.
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Anti-aggregation colorimetric sensing of cysteine using silver nanoparticles in the presence of Pb2+

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Anal. Methods, 2024, 16,2378-2385
DOI: 10.1039/D4AY00351A, Paper
Lihui Mao, Yi Zhang, Huan Zhang, Huili Liu, Yong-ping Gao
In this study, an unmodified AgNPs was synthesized to prepare AgNPs-Pb2+ as a probe for colorimetric sensing of cysteine. We developed a AgNPs colorimetric method for the determination of cysteine in urine, utilizing the anti-aggregation principle.
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On-chip light sheet illumination for nanoparticle tracking in microfluidic channels

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Anal. Methods, 2024, 16,2229-2240
DOI: 10.1039/D3AY02290K, Communication
Théo Travers, Gaétan Delhaye, Martinus H. V. Werts, Denis Gindre, Matthieu Loumaigne
A simple and inexpensive method is presented to efficiently integrate light sheet illumination in a microfluidic chip for dark-field microscopic tracking and sizing of nanoparticles.
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A chemiluminescence immunoassay for type IV collagen as a promising marker for liver fibrosis and cirrhosis

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Anal. Methods, 2024, 16,2248-2255
DOI: 10.1039/D3AY02240D, Paper
Xiaoling Fu, Fan Zhang, Fangda Zhen, Lian Duan, Jian Zhou, Jianguo Ma
Herein, a magnetic bead-based chemiluminescence assay is reported to detect type IV collagen (col-IV) in serum samples.
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Analysing micro- and nanoplastics with cutting-edge infrared spectroscopy techniques: a critical review

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Anal. Methods, 2024, 16,2177-2197
DOI: 10.1039/D3AY01808C, Critical Review
Open Access
Junhao Xie, Aoife Gowen, Wei Xu, Junli Xu
In this review, we discussed and compared the applications of Fourier transform infrared spectroscopy, quantum cascade laser infrared spectroscopy, atomic force microscopy-based infrared spectroscopy, and optical photothermal infrared spectroscopy in MNP research from multiple perspectives.
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