内化
电子转移
纳米材料
细胞外
材料科学
半导体
量子点
纳米颗粒
纳米技术
光化学
生物物理学
化学
碳纤维
光电子学
细胞
生物
生物化学
复合数
复合材料
作者
Shurui Liu,Xiaofeng Yi,Xuee Wu,Qingbiao Li,Wei Wang
出处
期刊:Small
[Wiley]
日期:2020-10-12
卷期号:16 (44)
被引量:25
标识
DOI:10.1002/smll.202004194
摘要
Abstract Cellular internalization of nanomaterials to endow cells with more functionalities is highly desirable. Herein, a straightforward strategy for internalizing red‐emission carbon dots (CDs) into Shewanella xiamenensis is proposed. This suggests that the internalized CDs not only afford enhanced conductivity of bacteria but also trigger the cellular physiological response to secrete abundant electron shuttles to aid the boosting of extracellular electron transfer (EET) efficiency. Additionally, once illuminated, internalized CDs can also serve as light absorbers to allow for photogenerated electrons to be transferred into cellular metabolism to further facilitate light‐enhanced EET processes. Specifically, the findings advance the fundamental understanding of the interaction between internalized carbon‐based semiconductor and cells in the dark and light, and provide a facile and effective strategy for enhancing EET efficiency.
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