Array-Based Screening of Silver Nanoparticle Mineralization Peptides

被引:15
|
作者
Tanaka, Masayoshi [1 ]
Saito, Shogo [1 ]
Kita, Reo [2 ]
Jang, Jaehee [3 ]
Choi, Yonghyun [3 ]
Choi, Jonghoon [3 ]
Okochi, Mina [1 ]
机构
[1] Tokyo Inst Technol, Dept Chem Sci & Engn, Meguro Ku, 2-12-1 O Okayama, Tokyo 1528552, Japan
[2] Tokyo Inst Technol, Sch Sci, Meguro Ku, 2-12-1 O Okayama, Tokyo 1528552, Japan
[3] Chung Ang Univ, Sch Integrat Engn, Seoul 06974, South Korea
关键词
AgNP; peptide array; biomineralization; green synthesis; GREEN SYNTHESIS; SPOT-SYNTHESIS; HIGH-AFFINITY; DESIGN; GROWTH; RECOGNITION; PRINCIPLES;
D O I
10.3390/ijms21072377
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The use of biomolecules in nanomaterial synthesis has received increasing attention, because they can function as a medium to produce inorganic materials in ambient conditions. Short peptides are putative ligands that interact with metallic surfaces, as they have the potential to control the synthesis of nanoscale materials. Silver nanoparticle (AgNP) mineralization using peptides has been investigated; however, further comprehensive analysis must be carried out, because the design of peptide mediated-AgNP properties is still highly challenging. Herein, we employed an array comprising 200 spot synthesis-based peptides, which were previously isolated as gold nanoparticle (AuNP)-binding and/or mineralization peptides, and the AgNP mineralization activity of each peptide was broadly evaluated. Among 10 peptides showing the highest AgNP-synthesis activity (TOP10), nine showed the presence of EE and E[X]E (E: glutamic acid, and X: any amino acid), whereas none of these motifs were found in the WORST25 (25 peptides showing the lowest AgNP synthesis activity) peptides. The size and morphology of the particles synthesized by TOP3 peptides were dependent on their sequences. These results suggested not only that array-based techniques are effective for the peptide screening of AgNP mineralization, but also that AgNP mineralization regulated by peptides has the potential for the synthesis of AgNPs, with controlled morphology in environmentally friendly conditions.
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页数:10
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