Evidence map›Paper›PMID 42090033›Full record

ArticleMikrochimica acta2026

Hybrid Bi/AuNP-enabled laser-induced graphene sensor for flexible and simultaneous detection of Zn²⁺ and Cd²⁺ in seawater and soil samples.

Neha, Mansoor Ahmad, Brij Mohan, Wang Baoli, Wei Sun

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Article in Mikrochimica acta, 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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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

NehaCollege of Life Sciences, Hainan Normal University, Haikou, 571158, China.
Mansoor AhmadKey Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, Hainan International Joint Research Center of Marine Advanced Photoelectric Functional Materials, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, China.
Brij MohanKey Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, Hainan International Joint Research Center of Marine Advanced Photoelectric Functional Materials, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, China.
Wang BaoliHaikou Key Laboratory of Marine Contaminants Monitoring Innovation and Application, Haikou Marine Geological Survey Center, China Geological Survey, Haikou, 571127, China.
Wei SunKey Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, Hainan International Joint Research Center of Marine Advanced Photoelectric Functional Materials, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, China. sunwei@hainnu.edu.cn.

Funding

Fundação para a Ciência e a Tecnologia (FCT) UIDB/PRR/00100/2025 and UIDB/00100/2025Sichuan Science and Technology Program 2024YFHZ0192
6 · The paper itself

Abstract

A flexible sensor has been developed comprising a bismuth film and a gold nanoparticle-decorated laser-induced graphene electrode (Bi/AuNP/LIGE) for the concurrent detection of Zn²⁺ and Cd²⁺ using differential pulse anodic stripping voltammetry (DPASV). The sensor was thoroughly characterized, and the key experimental parameters, including buffer composition, deposition potential, accumulation time, and pH, were systematically optimized. The optimal performance was achieved in borate buffer (pH 7.5) with a deposition potential of -1.1 V and an accumulation time of 150 s. Under these conditions, the detection limits are 0.072 µM for Zn²⁺ and 0.031 µM for Cd²⁺, with quantification limits of 0.24 µM and 0.103 µM, respectively. The sensor demonstrates good reproducibility and accuracy when tested on seawater and soil samples. These findings show that the Bi/AuNP/LIGE platform offers enhanced sensitivity and selectivity, paving the way for advanced sensors in portable, on-site monitoring systems.

Indexed as

Bismuth filmFlexible sensorGold nanoparticleHeavy metal ionsLaser-induced graphene

Identifiers

PMID42090033

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.