Aptamers

Smith, Drew

doi:10.1002/0471203076.emm1079

Cited by 1 publication

(1 citation statement)

References 24 publications

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“…The polymorphism of glycine structure in crystalline amino acids has been studied since it was discovered in 1900 by Fischer et al [1] and developed in 1939 by Albrecht and Corey [2]. The principal function of glycine is to serve as a building block for proteins and as an inhibitory transmitter in the central nervous system [3]. Glycine has three main polymorphs: α, β, and ɣ which are described in detail elsewhere [4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Local piezo- and ferroelectric properties of γ-glycine single crystal observed via piezoresponse force microscopy

et al. 2023

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In this work, we demonstrate an approach of local mechanical polishing processing to modify the type of intrinsic piezoelectric activity of γ-glycine polymorph grown in a form of a single crystal. By using the piezoresponse force microscopy, the increase in intensity for both out-of-plane (3 times) and in-plane (5 times) piezoelectric tensor components is demonstrated. Application of local switching spectroscopy reveals the piezoelectric behavior of non-polished and the ferroelectric behavior of polished areas being related to the local mechanical polishing-assistant rearrangement of NH3+ tails of zwitterions in polymorph molecular chain of γ-glycine. These rearrangements were demonstrated to facilitate the switching behavior of the local dipole moment at the applied electric field surpassing the internal coercive field of about Ec ~ 3 GV/m.

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