Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Suzhou Nano Science and Technology, CAS Center for Excellence in Nanoscience, Department of Chemistry, University of Science and Technology of China , Hefei, Anhui 230026, People's Republic of China.
Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology , Mianyang, Sichuan 621000, People's Republic of China.
ACS Appl Mater Interfaces. 2016 May 25;8(20):12693-701. doi: 10.1021/acsami.6b03399. Epub 2016 May 16.
Macroscale assembly of nanoscale building blocks is an intriguing way to translate the unique characteristics of individual nanoparticles into macroscopic materials. However, the lack of the efficient universal assembly strategy seriously hinders the possibility of macroscale architectures in practical applications. Herein, we develop a general, environment-friendly, and scalable microbial growth method for the construction of macroscopic composite assemblies with excellent mechanical strength by in situ integrating various types of nanoparticles into fungal hyphae (FH) macrospheres. Notably, the size of the FH-based composite spheres and the loading amount of the nanoparticles with different dimensions can be well tuned by controlling the cultivation time and the dosage of nanoparticles, respectively. Interestingly, bifunctional FH-based core-shell macrospheres can also be achieved by programmed assembling two different kinds of nanoparticles in the cultivation process. The produced multifunctional FH-based composite spheres exhibit wide potential applications in magnetic actuation, photothermal therapy, and contaminant adsorption, etc.
将纳米级构建块进行宏观组装是一种将单个纳米粒子的独特特性转化为宏观材料的有趣方法。然而，缺乏有效的通用组装策略严重阻碍了宏观结构在实际应用中的可能性。在此，我们开发了一种通用、环保且可扩展的微生物生长方法，通过将各种类型的纳米粒子原位集成到真菌菌丝 (FH) 宏观球中，构建具有优异机械强度的宏观复合组装体。值得注意的是，FH 基复合球的大小和不同尺寸的纳米粒子的加载量可以通过控制培养时间和纳米粒子的用量分别进行很好地调节。有趣的是，通过在培养过程中编程组装两种不同类型的纳米粒子，也可以实现双功能 FH 基核壳宏观球。所制备的多功能 FH 基复合球在磁驱动、光热治疗和污染物吸附等方面具有广泛的潜在应用。
