한빛사논문
- 조회1,225
Teng-Fei Fan1,4, Soohyun Park1,4, Qian Shi2, Xingyu Zhang3, Qimin Liu3, Yoohyun Song1, Hokyun Chin1, Mohammed Shahrudin Bin Ibrahim1, Natalia Mokrzecka1, Yun Yang1, Hua Li3,*, Juha Song2,*, Subra Suresh1,* & Nam-Joon Cho1,2,*
1School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore. 2School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore. 3School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore. 4These authors contributed equally: Teng-Fei Fan, Soohyun Park.
*To whom correspondence should be addressed.
Abstract
Pollen’s practically-indestructible shell structure has long inspired the biomimetic design of organic materials. However, there is limited understanding of how the mechanical, chemical, and adhesion properties of pollen are biologically controlled and whether strategies can be devised to manipulate pollen beyond natural performance limits. Here, we report a facile approach to transform pollen grains into soft microgel by remodeling pollen shells. Marked alterations to the pollen substructures led to environmental stimuli responsiveness, which reveal how the interplay of substructure-specific material properties dictates microgel swelling behavior. Our investigation of pollen grains from across the plant kingdom further showed that microgel formation occurs with tested pollen species from eudicot plants. Collectively, our experimental and computational results offer fundamental insights into how tuning pollen structure can cause dramatic alterations to material properties, and inspire future investigation into understanding how the material science of pollen might influence plant reproductive success.
논문정보
- Research article
- 2020년 03월 (BRIC 등록일 2020-04-14)
- 국외 연구진
- 바이오·의료융합 > 바이오센싱 및 나노바이오물질
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