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An ammonia-responsive aerogel-type colorimetric sensor for non-destructive monitoring of shrimp freshness.
Food Res Int
February 2025
Hubei Key Laboratory of Industry Microbiology, National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan 430068, China; Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), School of Life and Health Sciences, Hubei University of Technology, Wuhan 430068, China; Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, United Kingdom. Electronic address:
The colorimetric sensor for volatile amines (VA) detection can realize non-destructive monitoring of shrimp quality. However, its sensing performance still needs to be improved. In this study, we proposed an aerogel-type colorimetric sensor to improve VA sensing performance and realize early detection of shrimp spoilage.
View Article and Find Full Text PDFA near-infrared amine/HSO probe with colorimetric and fluorescent ultrafast response and its application in food samples and visual evaluation of salmon freshness.
Food Res Int
February 2025
College of Food Science and Technology, Bohai University, Food Safety Key Lab of Liaoning Province, National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, Jinzhou 121013, China.
A multifunctional near-infrared fluorescent probe (Sycy) is synthesized by the one-step condensation reaction of syringaldehyde and tricyanofuran. Sycy can detect HSO within 150 s in the red wine and sugar samples with a low detection limit of 3.5 μM.
View Article and Find Full Text PDFIdentification of catechin species using a colorimetric and fluorescence dual-mode sensor array based on peroxidase-like PtNi bunched nanoparticles.
Anal Methods
January 2025
Department of Chemistry, Capital Normal University, Beijing, 100048, China.
Catechins in tea, as promoters of human health, have attracted widespread attention. Herein, a dual-signal mode (colorimetric and fluorescence) sensor array for catechin species fingerprinting was built based on PtNi bunched nanoparticle (PtNi-BNP)--phenylenediamine (OPD)-HO system. PtNi-BNPs catalyze the reaction between OPD and HO to produce oxidized OPD (oxOPD) with both colorimetric (yellow) and fluorescent properties.
View Article and Find Full Text PDFColored Cellulose Nanoparticles with High Stability and Easily Modified Surface for Accurate and Sensitive Multiplex Lateral Flow Assay.
ACS Nano
January 2025
Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai 200241, P. R. China.
Decentralized testing using multiplex lateral flow assays (mLFAs) to simultaneously detect multiple analytes can significantly enhance detection efficiency, reduce cost and time, and improve analytic accuracy. However, the challenges, including the monochromatic color of probe particles, interference between different test lines, and reduced specificity and sensitivity, severely hinder mLFAs from wide use. In this study, we prepared polydopamine (PDA)-coated dyed cellulose nanoparticles (dCNPs@P) with tunable colors as the probe for mLFAs.
View Article and Find Full Text PDFCellulose nanofibers/polyacrylic acid hydrogels integrated with a 3D printed strip: A platform for screening prostate cancer via sarcosine detection.
Carbohydr Polym
March 2025
Department of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand. Electronic address:
Cellulose nanofiber/polyacrylic acid (CNF/PAA) hydrogel-based colorimetric sensor was fabricated for non-invasive screening of prostate cancer (PCa) via selective detection of sarcosine. The hydrogel was synthesized by photo-crosslinking of acrylic acid in the presence of CNF which acted as mechanical reinforcement and as color enhancer. The hydrogel exhibited a high aqueous absorption and high mechanical strength.
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