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Morphology-tunable polydopamine nanoparticles and their application in Fe3+ detection
Qi, Peng; Zhang, Dun; Wan, Yi
2017-08-01
Source PublicationTALANTA
Volume170Pages:173-179
SubtypeArticle
AbstractIn this work, we discovered the morphology transformation property of polydopamine (PDA) nanomaterials, the addition of Fe3+ initiated the dramatic morphology transformation of PDA dots from aggregated plate-like to uniform willow-leaf-like morphology. Further study revealed that this fascinating morphology transformation process could be attributed to the oxidative nature and coordination characteristic of Fe3+. This is the first report on the morphology transformation ability of PDA, and a probable self-assembled mechanism was proposed to explain this issue. Besides, we noticed that morphological and fluorescent properties of PDA dots were closely related, thus a fluorescent Fe3+ detection method was presented based on the morphology-tunable PDA dots. With the proposed method, selective Fe3+ detection was achieved with a wide linear dynamic range of 10 mu M to 1 mM. Furthermore, since the morphology tuning behavior of PDA dots was easy to operate, we anticipate this ability will find significant utility in sensing, drug delivery, and tissue engineering.
KeywordMorphology Transformation Polydopamine Dots Detection Fluorescent Ferric Cations
DOI10.1016/j.talanta.2017.03.093
Indexed BySCI
Language英语
WOS IDWOS:000402343200024
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/137084
Collection海洋腐蚀与防护研究发展中心
AffiliationChinese Acad Sci, Key Lab Marine Environm Corros & Biofouling, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Qi, Peng,Zhang, Dun,Wan, Yi. Morphology-tunable polydopamine nanoparticles and their application in Fe3+ detection[J]. TALANTA,2017,170:173-179.
APA Qi, Peng,Zhang, Dun,&Wan, Yi.(2017).Morphology-tunable polydopamine nanoparticles and their application in Fe3+ detection.TALANTA,170,173-179.
MLA Qi, Peng,et al."Morphology-tunable polydopamine nanoparticles and their application in Fe3+ detection".TALANTA 170(2017):173-179.
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