Microwave synthesis of silver sulfide near-infrared fluorescent quantum dots and their detection of dopamine
In this work, NIR-emitting silver sulfide quantum dots (Ag2S QDs) with outstanding aqueous dispersion and superior stability can be directly prepared by a simple microwave synthesis method using D-penicillamine and silver nitrate (AgNO3) in different ratios in pure water. The fluorescence intensity...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2022-05-01
|
| Series: | Biosensors and Bioelectronics: X |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2590137022000085 |
| _version_ | 1818532597551071232 |
|---|---|
| author | Wenhui Bao Lu Ga Ruiguo Zhao Jun Ai |
| author_facet | Wenhui Bao Lu Ga Ruiguo Zhao Jun Ai |
| author_sort | Wenhui Bao |
| collection | DOAJ |
| description | In this work, NIR-emitting silver sulfide quantum dots (Ag2S QDs) with outstanding aqueous dispersion and superior stability can be directly prepared by a simple microwave synthesis method using D-penicillamine and silver nitrate (AgNO3) in different ratios in pure water. The fluorescence intensity of the prepared near-infrared fluorescent silver sulfide quantum dots was quenched in the presence of dopamine, which was used as an ultrasensitive sensing probe for DA detection. The developed sensing probe based on Ag2S QDs showed a linear response over a wide range of 0–140 μM. The detection limit was 0.77 μM. |
| first_indexed | 2024-12-11T17:47:36Z |
| format | Article |
| id | doaj.art-bf1be2fb646740f1acccec7400056d76 |
| institution | Directory Open Access Journal |
| issn | 2590-1370 |
| language | English |
| last_indexed | 2024-12-11T17:47:36Z |
| publishDate | 2022-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Biosensors and Bioelectronics: X |
| spelling | doaj.art-bf1be2fb646740f1acccec7400056d762022-12-22T00:56:19ZengElsevierBiosensors and Bioelectronics: X2590-13702022-05-0110100112Microwave synthesis of silver sulfide near-infrared fluorescent quantum dots and their detection of dopamineWenhui Bao0Lu Ga1Ruiguo Zhao2Jun Ai3College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Environmental Chemistry, Inner Mongolia Normal University, 81 Zhaowudalu, Hohhot, 010022, ChinaCollege of Pharmacy, Inner Mongolia Medical University, Jinchuankaifaqu, Hohhot, 010110, ChinaCollege of Chemistry and Chemical Engineering of Inner Mongolia University, Hohhot, 010020, China; Corresponding author.College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Environmental Chemistry, Inner Mongolia Normal University, 81 Zhaowudalu, Hohhot, 010022, China; Corresponding author.In this work, NIR-emitting silver sulfide quantum dots (Ag2S QDs) with outstanding aqueous dispersion and superior stability can be directly prepared by a simple microwave synthesis method using D-penicillamine and silver nitrate (AgNO3) in different ratios in pure water. The fluorescence intensity of the prepared near-infrared fluorescent silver sulfide quantum dots was quenched in the presence of dopamine, which was used as an ultrasensitive sensing probe for DA detection. The developed sensing probe based on Ag2S QDs showed a linear response over a wide range of 0–140 μM. The detection limit was 0.77 μM.http://www.sciencedirect.com/science/article/pii/S2590137022000085Ag2S QDsDopamine detectionNear-infrared fluorescence |
| spellingShingle | Wenhui Bao Lu Ga Ruiguo Zhao Jun Ai Microwave synthesis of silver sulfide near-infrared fluorescent quantum dots and their detection of dopamine Biosensors and Bioelectronics: X Ag2S QDs Dopamine detection Near-infrared fluorescence |
| title | Microwave synthesis of silver sulfide near-infrared fluorescent quantum dots and their detection of dopamine |
| title_full | Microwave synthesis of silver sulfide near-infrared fluorescent quantum dots and their detection of dopamine |
| title_fullStr | Microwave synthesis of silver sulfide near-infrared fluorescent quantum dots and their detection of dopamine |
| title_full_unstemmed | Microwave synthesis of silver sulfide near-infrared fluorescent quantum dots and their detection of dopamine |
| title_short | Microwave synthesis of silver sulfide near-infrared fluorescent quantum dots and their detection of dopamine |
| title_sort | microwave synthesis of silver sulfide near infrared fluorescent quantum dots and their detection of dopamine |
| topic | Ag2S QDs Dopamine detection Near-infrared fluorescence |
| url | http://www.sciencedirect.com/science/article/pii/S2590137022000085 |
| work_keys_str_mv | AT wenhuibao microwavesynthesisofsilversulfidenearinfraredfluorescentquantumdotsandtheirdetectionofdopamine AT luga microwavesynthesisofsilversulfidenearinfraredfluorescentquantumdotsandtheirdetectionofdopamine AT ruiguozhao microwavesynthesisofsilversulfidenearinfraredfluorescentquantumdotsandtheirdetectionofdopamine AT junai microwavesynthesisofsilversulfidenearinfraredfluorescentquantumdotsandtheirdetectionofdopamine |