DataVXACS Applied Nano MaterialsPaper
journal article·2021-07-23

ZnO Nanorods Grown on Heterogenous Ag Seed Layers for Single-Cell Fluorescence Bioassays

Phitchaya Muensri, Alongkot Treetong, Katawut Namdee, Panita Kasamechonchung, Tuksadon Wutikhun, Jitapa Sumranjit, Visittapong Yordsri, Bralee Chayasombat, Mati Horprathum, Supanit Porntheeraphat, Narathon Khemasiri, Sakon Rahong, Annop Klamchuen

ACS Applied Nano Materials· Volume 4· Issue 7
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Source abstract

Abstract

Here we demonstrate the controllability of the morphology of hydrothermal ZnO nanorods (ZnO-NRs) grown on heterogenous Ag seed layers. By varying the crystal orientation of silver thin films (Ag), a high density of ZnO-NRs could be obtained. We find that the density of ZnO-NRs strongly relates to the peak intensity ratio between (111) and (200) planes of Ag thin films due to a heteroepitaxy between (0002) ZnO and (111) Ag rather than that of grain boundary nucleation and/or surface nucleation. In addition, the optimized heterostructure of ZnO nanorod/Ag arrays is investigated via a critical concentration for nucleation and used as a fluorescence enhancement substrate (FES). The experimental results have shown that the FES presents an ability to detect a biological sample (PC-3 cell) with a high sensitivity and low detection limit of 1 cell/μL. Our results highlight that understanding an important key to control and design the morphology of heterogeneous hydrothermal ZnO-NR growth is essential to open up the opportunities for fundamental studies and applications in high-performance integrated nanodevices.
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: ZnO doping and properties · Quantum Dots Synthesis And Properties · Advanced biosensing and bioanalysis techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

National Nanotechnology Center (NANOTEC), NSTDA, 111 Thailand Science Park, Paholyothin Road, Klong Nueng, Klong Luang, Pathum Thani 12120, Thailand

National Metal and Materials Technology Center (MTEC), NSTDA, 111 Thailand Science Park, Phahonyothin Road, Klong Nueng, Klong Luang, Pathum Thani 12120, Thailand

National Electronics and Computer Technology Center (NECTEC), NSTDA, 111 Thailand Science Park, Phahonyothin Road, Klong Nueng, Klong Luang, Pathum Thani 12120, Thailand

College of Materials Innovation and Technology, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Chalongkrung Road, Ladkrabang, Bangkok 10520, Thailand

Center of Excellence in Applied Biosciences (CEAB), King Mongkut’s Institute of Technology Ladkrabang (KMITL), Chalongkrung Road, Ladkrabang, Bangkok 10520, Thailand

Funding

National Science and Technology Development Agency · e-ASIA Joint Research Program

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