Tuning Sugar‐Based Chiral and Flower‐Like Microparticles

2021 | journal article; research paper. A publication with affiliation to the University of Göttingen.

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​Tuning Sugar‐Based Chiral and Flower‐Like Microparticles​
Yao, Y.; Tang, Q.; Rosenfeldt, S.; Krüsmann, M.; Karg, M. & Zhang, K.​ (2021) 
Small17(38) pp. 2102938​.​ DOI: https://doi.org/10.1002/smll.202102938 

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Authors
Yao, Yawen; Tang, Qiyun; Rosenfeldt, Sabine; Krüsmann, Marcel; Karg, Matthias; Zhang, Kai
Abstract
Abstract Unique supermolecular structures as chiral and flower‐like microparticles and the precise tuning of the morphologies hold immense promise for a variety of applications. Examples of such structures deriving from monosaccharides are still rare, and a general understanding is also lacking. Herein, it is shown that chiral, flower‐like, or solid microparticles can be tuned by only using monosaccharide esters without external stimuli. Chiral “left‐handed” (counterclockwise) and “right‐handed” (clockwise) morphologies can be induced by d‐ and l‐glucose stearoyl esters. In comparison, other monosaccharides, i.e., galactose, mannose, and xylose, cannot formed chiral particles and generated diverse other morphologies of the supermolecular microparticles based on their distinct molecular configurations. Due to the numbers of side chains and the bond orientations, microparticles with solid and porous flower‐like morphologies can be obtained. While glucose and xylose esters only lead to solid microparticles, mannose and galactose generate porous flower‐like particles. These findings suggest a general method to design and control the superstructures by using monosaccharide backbones with diverse molecular configurations.
Supermolecular structures including chiral and flower‐like microparticles can be obtained from stearoyl esters of monosaccharides with distinct bond configurations within sugar rings. Chiral “left‐handed” (counterclockwise) and “right‐handed” (clockwise) morphologies can be induced by d‐ and l‐glucose esters. Galactose and mannose backbones can generate flower‐like microparticles, while xylose ester can only form solid microparticles. image
Issue Date
2021
Journal
Small 
Organization
Fakultät für Forstwissenschaften und Waldökologie ; Burckhardt-Institut ; Abteilung Holztechnologie und Holzwerkstoffe 
ISSN
1613-6810
eISSN
1613-6829
Language
English
Sponsor
Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
China Scholarship Council http://dx.doi.org/10.13039/501100004543

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