Accelerating Biocatalysis in Interface-Regulated Nano–Bio Hybrid System via Increasing Substrate Accessibility
Accelerating Biocatalysis in Interface-Regulated Nano–Bio Hybrid System via Increasing Substrate Accessibility
研究概述
将铜绿假单胞菌固定于配位调控的双铜材料，构建限域纳米–生物界面，富集疏水底物并缩短扩散路径。催化效率超过游离菌的两倍，在pH 1–11保持活性；代谢指标上升但降解路径未改变，说明提升主要来自底物可达性和界面传质改善。
谱图与表征信息
Figure 2. (a, b) SEM images of DTD-Cu; (c) TEM image of DTD-Cu; (d) EDS mapping of DTD-Cu (scale bar: 2 μm); (e) Cu K-edge XANES spectra of DTD-Cu and Cu foil; (f) high-resolution XPS spectrum of DTD-Cu (Cu 2p); and (g) Cu LM2 Auger spectrum of DTD-Cu.