Controlled Deformation of Soft Nanogel Particles Generates Artificial Biominerals with Ordered Internal Structure

Author:

Dong Yingxiang1,Chi Jialin23,Ren Zelun1,Xiong Biao1,Liu Ziqing1,Zhang Wenjun2,Wang Lijun2,Fujii Syuji4ORCID,Armes Steven P.5ORCID,Ning Yin1ORCID

Affiliation:

1. College of Chemistry and Materials Science Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications Jinan University Guangzhou 510632 China

2. College of Resources and Environment Huazhong Agricultural University Wuhan 430070 China

3. Present address: National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China Guangdong Key Laboratory of Integrated Agroenvironmental Pollution Control and Management Institute of Eco-environmental and Soil Sciences Guangdong Academy of Sciences Guangzhou 510650 China

4. Department of Applied Chemistry Faculty of Engineering, and Nanomaterials Microdevices Research Center Osaka Institute of Technology 5-16-1 Omiya, Asahi-ku Osaka 535-8585 Japan

5. Department of Chemistry University of Sheffield Brook Hill Sheffield South Yorkshire S3 7HF UK

Abstract

AbstractBiominerals can exhibit exceptional mechanical properties owing to their hierarchically‐ordered organic/inorganic nanocomposite structure. However, synthetic routes to oriented artificial biominerals of comparable complexity remain a formidable technical challenge. Herein we design a series of soft, deformable nanogels that are employed as particulate additives to prepare nanogel@calcite nanocomposite crystals. Remarkably, such nanogels undergo a significant morphological change—from spherical to pseudo‐hemispherical—depending on their degree of cross‐linking. This deformation occurs normal to the growth direction of the (104) face of the calcite and the underlying occlusion mechanism is revealed by in situ atomic force microscopy studies. This model system provides new mechanistic insights regarding the formation of oriented structures during biomineralization and offers new avenues for the design of synthetic nanocomposites comprising aligned anisotropic nanoparticles.

Funder

National Natural Science Foundation of China

Fundamental Research Funds for the Central Universities

Engineering and Physical Sciences Research Council

Publisher

Wiley

Subject

General Chemistry,Catalysis

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