Cover Image, Volume 137, Issue 6 | Zendy

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Cover Image, Volume 137, Issue 6

Publication year - 2020

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Reports

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.48614

Subject(s) - cover (algebra) , chitosan , selectivity , chemistry , materials science , computer science , polymer science , organic chemistry , engineering , mechanical engineering , catalysis

D. Sayama, M. Hatanaka, and M. Miyasaka found chiral‐recognition materials based on chitosan resins with switchable optical‐resolution selectivity of D/L‐amino acids. The mechanism of the switchable selectivity was elucidated through the Onsager's reaction field theory. The hydrophilic/hydrophobic properties of the resins determine the selectivity through the permittivity of the comonomers. The cover shows some images of the prototyped chiral‐TLC (thin‐layer chromatography) of D‐ and L‐alanine (left; on chitosan‐HEMA/silica, right; on chitosan‐styrene/silica), dyed by ninhydrin. DOI: 10.1002/app.48317

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