title: Generation of alginate gel particles with AuNPs layers by polydimethylsiloxan template.
abstract: The authors report a feasible and simple microfluidic approach for synthesizing anisotropic gel particles based on template method. By filling arrays of microwells with alginate hydrogel and synthesizing gold nanoparticles (AuNPs) on the gel surface, anisotropic alginate gel particles with single side gold nanoparticles layers were produced in microwells on the polydimethylsiloxan template. AuNPs and the anisotropic feature were characterized using scanning electron microscopy and x-ray photoelectron spectrum analyses. The anisotropic particles made of biocompatible gels could be released from the template and collected with uniform sizes, which might have a powerful potential in biological detection and sensing.
authors.affiliation: Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan 430072, People's Republic of China.
authors.forename: Zhi-Xiao
authors.initials: ZX
authors.lastname: Guo
authors.forename: Meng
authors.initials: M
authors.lastname: Zhang
authors.forename: Li-Bo
authors.initials: LB
authors.lastname: Zhao
authors.forename: Shi-Shang
authors.initials: SS
authors.lastname: Guo
authors.forename: Xing-Zhong
authors.initials: XZ
authors.lastname: Zhao