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Article

Development of Circularly Polarized Luminescence (CPL) Peptides Containing Pyrenylalanines and 2-Aminoisobutyric Acid

Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
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Processes 2020, 8(12), 1550; https://doi.org/10.3390/pr8121550
Received: 31 October 2020 / Revised: 18 November 2020 / Accepted: 25 November 2020 / Published: 27 November 2020
(This article belongs to the Special Issue Advances of Peptide Engineering)
Chiral organic and organometallic luminophores that possess circularly polarized luminescence (CPL) properties in the near-ultraviolet to near-infrared region have several useful applications. However, the CPL properties are subject to inherent factors of the compounds; to date, studies on the CPL properties influenced by amino acids and peptides are scarce. Consequently, we developed peptide-pyrene organic luminophores exhibiting various CPL properties. It is conceivable that the peptide-pyrene organic luminophores can be obtained as aggregates when dissolved in a solution. It is also possible that the formation of aggregates makes it difficult to accurately examine the CPL of the peptide in the solution. This study showed that the introduction of sterically hindered 2-aminoisobutyric acid (Aib) units into the peptide backbone inhibits aggregate formation. The resulting luminophores exhibit CPL properties owing to the presence of pyrene units. The results of this study can form a basis for the design of future materials that use peptide-pyrene organic luminophores. View Full-Text
Keywords: chiral; circularly polarized luminescence (CPL); pyrene; peptide chiral; circularly polarized luminescence (CPL); pyrene; peptide
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MDPI and ACS Style

Mimura, Y.; Motomura, Y.; Kitamatsu, M.; Imai, Y. Development of Circularly Polarized Luminescence (CPL) Peptides Containing Pyrenylalanines and 2-Aminoisobutyric Acid. Processes 2020, 8, 1550. https://doi.org/10.3390/pr8121550

AMA Style

Mimura Y, Motomura Y, Kitamatsu M, Imai Y. Development of Circularly Polarized Luminescence (CPL) Peptides Containing Pyrenylalanines and 2-Aminoisobutyric Acid. Processes. 2020; 8(12):1550. https://doi.org/10.3390/pr8121550

Chicago/Turabian Style

Mimura, Yuki, Yuki Motomura, Mizuki Kitamatsu, and Yoshitane Imai. 2020. "Development of Circularly Polarized Luminescence (CPL) Peptides Containing Pyrenylalanines and 2-Aminoisobutyric Acid" Processes 8, no. 12: 1550. https://doi.org/10.3390/pr8121550

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