A novel and high performance enzyme-less sensing layer for electrochemical detection of methyl parathion based on BSA templated Au–Ag bimetallic nanoclusters

Rahmani, Turaj; Hajian, Ali; Afkhami, Abbas; Bagheri, Hasan

doi:10.1039/c8nj00425k

Cited by 43 publications

(11 citation statements)

References 43 publications

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“…The intensities of the peaks at 18.9° and 27° were higher for PPS-ZIF-8 and PPS-ZIF-8-BSA than for the ZIF-8 nanocrystals, which might be attributed to the superposition of PPS and ZIF-8 peaks. Compared to PPS-ZIF-8, PPS-ZIF-8-BSA generated an additional peak at 22°, which can be assigned to BSA . As shown in the XRD patterns, the ZIF-8 peaks of PPS-ZIF-8 and PPS-ZIF-8-BSA were shifted to slightly lower 2θ values compared to the spectrum of ZIF-8.…”

Section: Resultsmentioning

confidence: 89%

“…Compared to PPS-ZIF-8, PPS-ZIF-8-BSA generated an additional peak at 22°, which can be assigned to BSA. 34 As shown in the XRD patterns, the ZIF-8 peaks of PPS-ZIF-8 and PPS-ZIF-8-BSA were shifted to slightly lower 2θ values compared to the spectrum of ZIF-8. This phenomenon was attributed to increased lattice strain and lattice distortion during nanostructure formation.…”

Section: Methodsmentioning

confidence: 81%

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Polyphenylene Sulfide Ultrafine Fibrous Membrane Modified by Nanoscale ZIF-8 for Highly Effective Adsorption, Interception, and Recycling of Iodine Vapor

Yu¹,

Ren²,

Liu³

et al. 2019

ACS Appl. Mater. Interfaces

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In this study, two novel composite membranes containing nanoscale ZIF-8 and polyphenylene sulfide (PPS) nonwoven fabric were prepared via hydrothermal (PPS-ZIF-8) and biomimetic mineralization (PPS-ZIF-8-BSA; BSA, bovine serum albumin) approaches. The biomimetic mineralization approach in particular was extremely rapid and mild, and crystalline ZIF-8 was coated on the PPS substrate in only a few seconds at room temperature. The maximum iodine adsorption capacities of the PPS-ZIF-8 and PPS-ZIF-8-BSA membranes were 2.51 and 2.07 g/g, respectively. The composite fibrous membranes were able to capture trace iodine vapor under differential pressures ranging from 0 to 1000 Pa without almost any iodine vapor leakage. The composite membranes can be applied in harsh environments because of the excellent stability of ZIF-8 and the PPS high-performance fibers. This study provides a promising strategy to fabricate novel adsorption materials for the collection of radioactive iodine during nuclear waste disposal.

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Section: Resultsmentioning

confidence: 89%

Section: Methodsmentioning

confidence: 81%

Polyphenylene Sulfide Ultrafine Fibrous Membrane Modified by Nanoscale ZIF-8 for Highly Effective Adsorption, Interception, and Recycling of Iodine Vapor

Yu¹,

Ren²,

Liu³

et al. 2019

ACS Appl. Mater. Interfaces

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“…203 For example, a series of stimuli-responsive Schiff base-linked hydrogels for applications in biocatalysis and biosensing were reported using both HSA and BSA. 141 BSA has also been incorporated in nanostructure templates for biosensing the insecticide methyl parathion, 204 nanoparticles for controlled CUR delivery, 205 and non-ionic surfactant drug-delivery vesicles. 206 HSA, though being comparatively understudied, may function as a drug carrier due to complexations with antimicrobial and anticancer pharmaceuticals.…”

Section: Albumin Hydrogelsmentioning

confidence: 99%

Dynamic protein and polypeptide hydrogels based on Schiff base co-assembly for biomedicine

et al. 2022

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“…It has been demonstrated that bimetallic nanoclusters of Ag and Au have increased optical properties due to the transfer of load across metals, as well as improved plasma stability and biocompatibility. Because of their ultra-small size and particular electrical structure, they interact better with biological systems [ 37 ]. Xu et al developed an electrochemical biosensor based on AChE immobilization and used it to detect the pesticides methyl parathion, malathion, and chlorpyrifos in cabbage juice, with LODs of 3.04 × 10 −3 ng L −1 , 1.96 × 10 −3 ng L −1 , and 2.06 × 10 −3 ng L −1 , respectively.…”

Section: Dataset Visual Approachesmentioning

confidence: 99%

Recent Advances in Nanomaterial-Based Biosensors for Pesticide Detection in Foods

et al. 2022

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Biosensors are a simple, low-cost, and reliable way to detect pesticides in food matrices to ensure consumer food safety. This systematic review lists which nanomaterials, biorecognition materials, transduction methods, pesticides, and foods have recently been studied with biosensors associated with analytical performance. A systematic search was performed in the Scopus (n = 388), Web of Science (n = 790), and Science Direct (n = 181) databases over the period 2016–2021. After checking the eligibility criteria, 57 articles were considered in this study. The most common use of nanomaterials (NMs) in these selected studies is noble metals in isolation, such as gold and silver, with 8.47% and 6.68%, respectively, followed by carbon-based NMs, with 20.34%, and nanohybrids, with 47.45%, which combine two or more NMs, uniting unique properties of each material involved, especially the noble metals. Regarding the types of transducers, the most used were electrochemical, fluorescent, and colorimetric, representing 71.18%, 13.55%, and 8.47%, respectively. The sensitivity of the biosensor is directly connected to the choice of NM and transducer. All biosensors developed in the selected investigations had a limit of detection (LODs) lower than the Codex Alimentarius maximum residue limit and were efficient in detecting pesticides in food. The pesticides malathion, chlorpyrifos, and paraoxon have received the greatest attention for their effects on various food matrices, primarily fruits, vegetables, and their derivatives. Finally, we discuss studies that used biosensor detection systems devices and those that could detect multi-residues in the field as a low-cost and rapid technique, particularly in areas with limited resources.

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A novel and high performance enzyme-less sensing layer for electrochemical detection of methyl parathion based on BSA templated Au–Ag bimetallic nanoclusters

Abstract: In the present manuscript, a modified glassy carbon electrode with BSA templated Au–Ag bimetallic nanoclusters (Au–Ag@BSA/GCE) was employed for the rapid, selective and sensitive determination of methyl parathion (MP) as an enzyme-less electrochemical biosensor.

Cited by 43 publications

References 43 publications

Polyphenylene Sulfide Ultrafine Fibrous Membrane Modified by Nanoscale ZIF-8 for Highly Effective Adsorption, Interception, and Recycling of Iodine Vapor

Polyphenylene Sulfide Ultrafine Fibrous Membrane Modified by Nanoscale ZIF-8 for Highly Effective Adsorption, Interception, and Recycling of Iodine Vapor

Dynamic protein and polypeptide hydrogels based on Schiff base co-assembly for biomedicine

Recent Advances in Nanomaterial-Based Biosensors for Pesticide Detection in Foods

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