Application of Carboxymethylcellulose @ Au NPs Hydrogel Beads for Detection of Thiram in Three Fruit Juices via Surface-Enhanced Raman Scattering.

Yiming Ou, Yuxin Zhang, Youzhi Wu, Yishan Song, Keqiang Lai

Abstract read

In one paragraph

Article in Foods (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Yiming OuSchool of Food and Pharmacy, Shanghai Zhongqiao Vocational and Technical University, Shanghai 201514, China.

Yuxin ZhangCollege of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.

Youzhi WuSchool of Food and Pharmacy, Shanghai Zhongqiao Vocational and Technical University, Shanghai 201514, China.

Yishan SongCollege of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.

Keqiang LaiCollege of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.ORCID 0000-0001-5462-6285

Funding

Natural Science project of Shanghai Zhongqiao Vocational and Technical University 2025ZQZR52the National Natural Science Foundation of China 3237161058

6 · The paper itself

Abstract

A simple and highly sensitive surface-enhanced Raman spectroscopy (SERS) method has been developed for the detection of thiram residues in fruit juices. Carboxymethyl cellulose (CMC) @ gold nanoparticles (Au NPs) hydrogel beads as SERS substrates were prepared through ionic crosslinking. The obtained porous CMC @ Au NPs hydrogel bead substrates showed excellent sensitivity for the detection of thiram in apple, grape, and orange juices, with detection limits of 0.001, 0.002, and 0.002 mg/L, respectively. The impact of primary non-target components in juices on SERS detection of thiram was investigated, revealing that the presence of sugars and acids caused varying degrees of interference in SERS measurements. This innovative, practical, and affordable CMC @ Au NPs porous hydrogel bead for thiram detection might be readily expanded to analyze a broad spectrum of other compounds found in food goods at trace amounts.

Indexed as

agricultural productscarboxymethyl cellulosehydrogelpesticidessurface-enhanced Raman spectroscopy

Identifiers

PMID41750925

DOI10.3390/foods15040733

PMCPMC12941038

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