ArticleNanomaterials (Basel, Switzerland)2022
Microwave-Assisted Synthesis of Sulfur Quantum Dots for Detection of Alkaline Phosphatase Activity.
Article in Nanomaterials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 9 citations in OpenAlex.
- Quantum dot-based non-volatile memory: a comprehensive outlook.RSC advances · 2025Review
- Biosynthesis of sulfur quantum dots and cerium oxide nanoparticles for bioimaging and reactive oxygen species modulation in Y79 retinoblastoma cancer cells.BioImpacts : BI · 2025Article
- Two-photon excited luminescence of sulfur quantum dots for heavy metal ion detection.RSC advances · 2024Article
- Construction of Aggregation-Induced Emission Molecule-MnONanomaterials (Basel, Switzerland) · 2023Article
- Luminescence Nanomaterials and Applications.Nanomaterials (Basel, Switzerland) · 2023Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
Sulfur quantum dots (SQDs) are a kind of pure elemental quantum dots, which are considered as potential green nanomaterials because they do not contain heavy metal elements and are friendly to biology and environment. In this paper, SQDs with size around 2 nm were synthesized by a microwave-assisted method using sulfur powder as precursor. The SQDs had the highest emission under the excitation of 380 nm and emit blue fluorescence at 470 nm. In addition, the SQDs had good water solubility and stability. Based on the synthesized SQDs, a fluorescence assay for detection of alkaline phosphatase (ALP) was reported. The fluorescence of the SQDs was initially quenched by Cr (VI). In the presence of ALP, ALP-catalyzed hydrolysis of 2-phospho-L-ascorbic acid to generate ascorbic acid. The generated ascorbic acid can reduce Cr (VI) to Cr (III), thus the fluorescence intensity of SQDs was restored. The assay has good sensitivity and selectivity and was applied to the detection of ALP in serum samples. The interesting properties of SQDs can find a wide range of applications in different sensing and imaging areas.
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Registered trials
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