DataVXACS Applied Materials & InterfacesPaper
journal article·2016-11-16Open access

Identification of Novel Short BaTiO3-Binding/Nucleating Peptides for Phage-Templated in Situ Synthesis of BaTiO3 Polycrystalline Nanowires at Room Temperature

Yan Li, Binrui Cao, Mingying Yang, Ye Zhu, Junghae Suh, Chuanbin Mao

ACS Applied Materials & Interfaces· Volume 8· Issue 45
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Source abstract

Abstract

Ferroelectric materials, such as tetragonal barium titanate (BaTiO 3 ), have been widely used in a variety of areas including bioimaging, biosensing, and high power switching devices. However, conventional methods for the synthesis of tetragonal phase BaTiO 3 usually require toxic organic reagents and high temperature treatments, and are thus not environment-friendly and energy-efficient. Here, we took advantage of the phage display technique to develop a novel strategy for the synthesis of BaTiO 3 nanowires. We identified a short BaTiO 3 -binding/nucleating peptide, CRGATPMSC (named RS), from a phage-displayed random peptide library by biopanning technique and then genetically fused the peptide to the major coat protein (pVIII) of filamentous M13 phages to form the pVIII-RS phages. We found that the resultant phages could not only bind with the presynthesized BaTiO 3 crystals but also induce the nucleation of uniform tetragonal BaTiO 3 nanocrystals at room temperature and without the use of toxic reagents to form one-dimensional polycrystalline BaTiO 3 nanowires. This approach enables the green synthesis of BaTiO 3 polycrystalline nanowires with potential applications in bioimaging and biosensing fields.
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Research context

NanomaterialsElectronic materials

OpenAlex topics: Diatoms and Algae Research · Advanced biosensing and bioanalysis techniques · Monoclonal and Polyclonal Antibodies Research

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

Affiliations

School of Life Science, Northeast Normal University, Changchun, Jilin 130024, China

Department of Chemistry & Biochemistry, Stephenson Life Science Research Center, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73019, United States

Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou, Zhejiang 310058, China

Department of Bioengineering, Rice University, Houston, Texas 77030, United States

Systems, Synthetic, and Physical Biology Program, Rice University, Houston, Texas 77030, United States

School of Materials Science and Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China

Funding

National Cancer Institute · Ministry of Science and Technology of the People's Republic of China · National Institute of Biomedical Imaging and Bioengineering · Congressionally Directed Medical Research Programs · Ministry of Agriculture of the People's Republic of China · Division of Civil, Mechanical and Manufacturing Innovation · Oklahoma Center for the Advancement of Science and Technology · Natural Science Foundation of Zhejiang Province · Oklahoma Center for Adult Stem Cell Research · Zhejiang Province

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