W
Walter H. Chang
Researcher at Chung Yuan Christian University
Publications - 105
Citations - 4629
Walter H. Chang is an academic researcher from Chung Yuan Christian University. The author has contributed to research in topics: Nanoclusters & Osteoblast. The author has an hindex of 33, co-authored 102 publications receiving 4326 citations.
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Journal ArticleDOI
Synthesis, Characterization, and Bioconjugation of Fluorescent Gold Nanoclusters toward Biological Labeling Applications
Cheng-An J. Lin,Ting-Ya Yang,Chih-Hsien Lee,Sherry H. Huang,Ralph A. Sperling,Marco Zanella,Jimmy K. Li,Ji-Lin Shen,Hsueh-Hsiao Wang,Hung-I Yeh,Wolfgang J. Parak,Walter H. Chang +11 more
TL;DR: Synthesis of ultrasmall water-soluble fluorescent gold nanoclusters has a decent quantum yield, high colloidal stability, and can be readily conjugated with biological molecules.
Journal ArticleDOI
Design of an Amphiphilic Polymer for Nanoparticle Coating and Functionalization
Cheng-An J. Lin,Ralph A. Sperling,Ralph A. Sperling,Jimmy K. Li,Jimmy K. Li,Ting-Ya Yang,Pei-Yun Li,Marco Zanella,Marco Zanella,Walter H. Chang,Wolfgang J. Parak,Wolfgang J. Parak +11 more
TL;DR: The amphiphilic polymer described here is based on a poly(maleic anhydride) backbone which involves a third kind of building block: functional organic molecules and provides additional functionality in the particle surface.
Journal ArticleDOI
Electrophoretic Separation of Nanoparticles with a Discrete Number of Functional Groups
Ralph A. Sperling,Teresa Pellegrino,Teresa Pellegrino,Jimmy K. Li,Jimmy K. Li,Walter H. Chang,Wolfgang J. Parak +6 more
TL;DR: A procedure for the surface functionalization of nanoparticles with a controlled number of mono‐ or bifunctional poly(ethylene glycol) (PEG) molecules of suitable chain length is reported.
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Studies of photokilling of bacteria using titanium dioxide nanoparticles.
Yang Hwei Tsuang,Jui-Sheng Sun,Jui-Sheng Sun,Yu Chen Huang,Chung-Hsin Lu,Walter H. Chang,Chien Che Wang +6 more
TL;DR: In this study, it is clearly demonstrated the bactericidal effects of titanium dioxide nanoparticles, applicable to medical facilities where the potential for infection should be controlled, in the presence of UV light.
Journal ArticleDOI
Modulation of osteogenesis in human mesenchymal stem cells by specific pulsed electromagnetic field stimulation
TL;DR: The results indicate that extremely low‐frequency PEMF stimulation may play a modulating role in hMSC osteogenesis, and provide insights on the development of PEMFs as an effective technology for regenerative medicine.