制造一种Nafion包覆的氧化石墨烯/聚苯胺化学电阻传感器以在微生物发酵过程中实时监测pH值

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11:18 分钟

2019年1月7日

10.3791/58422-v

2019年1月7日

7.9K 次观看

本文报道了一种纳菲昂(Nafion)包覆、聚苯胺功能化、电化学还原氧化石墨烯化学电阻型微 pH 传感器的制备方案。这种基于化学电阻的固态微 pH 传感器可在乳酸乳球菌(Lactococcus lactis)发酵过程中实时检测 pH 变化。

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pH Nafion

Chapters in this video

0:04

Title

0:52

Preparation of Graphite Oxide

2:11

GO-deposited Electrode Preparation

3:07

Reduction of GO to Electrochemically Reduced Graphene Oxide

4:29

Polyaniline Functionalization of the ERGO Electrode

6:09

ERGO-PA Electrode Testing at Different pH (Pre-calibration Before Nafion Coating)

6:46

Preparation of the Nafion-coated ERGO-PA Electrode

7:22

Preparation of L. lactis Culture Medium

8:23

Testing of the ERGO-PA-NA pH Response in an L. lactis Fermentation Experiment

9:08

Results: Fabrication of ERGO-PA-NA Electrodes to Detect pH Changes During Microbial Fermentation

10:41

Conclusion

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