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相关概念视频

DC Battery01:21

DC Battery

A conductor needs to be a component of a path that creates a closed loop or full circuit to have a continuous current flowing through it. A current starts to flow if an electric field is created inside an isolated conductor that is not part of a full circuit. The conductor quickly develops a net positive charge at one end and a net negative charge at the other. These charges generate an electric field opposite the direction of the applied electric field, which reduces the current. Eventually,...
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Electrochemical Cells

Electrochemical cells are systems that convert chemical energy into electrical energy or use electrical energy to drive chemical reactions. They consist of two electrodes in contact with an electrolyte, where redox reactions enable electron transfer. Most electrochemical cells include two half-cells connected by an external wire for electron flow and a salt bridge for ion flow. The salt bridge contains an electrolyte solution and maintains charge neutrality by allowing ions—not electrons—to...
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Microbial fuel cells (MFCs) are bioelectrochemical devices that generate electricity by exploiting the metabolic processes of electrogenic bacteria. These systems provide a renewable energy source and serve as an innovative method for treating organic waste, such as wastewater.A typical MFC consists of two chambers: an anoxic (oxygen-free) compartment that houses the bacteria and an oxic (oxygen-rich) compartment that contains oxygen as the terminal electron acceptor. Many MFCs use proton...
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Biological wastewater treatment relies on the metabolic activity of microorganisms to remove pollutants from sewage. In modern treatment systems, this process is organized into sequential stages that progressively reduce solid material, dissolved organic matter, and microbial contamination. Each stage plays a distinct role in improving water quality and preparing the effluent for safe discharge or reuse.Primary and Secondary TreatmentPrimary treatment is a physical process that removes large...

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相关实验视频

Updated: Jul 21, 2026

Preparation of Chitosan-based Injectable Hydrogels and Its Application in 3D Cell Culture
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自愈电源活水凝用于耐用生物电子.

Ruohan Zhang1, Yang Gao1, Seokheun Choi1,2

  • 1Bioelectronics & Microsystems Laboratory, Department of Electrical & Computer Engineering, State University of New York at Binghamton, Binghamton, New York 13902, United States.

ACS applied materials & interfaces
|December 9, 2025
PubMed
概括

本研究介绍了一种使用Bacillus subtilis子进行自愈的导电水凝,用于自适应生物电子. 水凝可以自我修复,并通过细菌发芽来增强电导率,从而使强大的生活电子产品成为可能.

关键词:
细菌的内分子 细菌的内分子电致细菌是一种电致细菌.电致水凝是一种电致水凝.生活电子生活电子产品它可以自我治愈.

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科学领域:

  • 生物电子学 生物电子学
  • 材料科学 材料科学 材料科学
  • 微生物学 微生物学

背景情况:

  • 生物导电性水凝为自适应生物电子提供了潜在的潜力,但在损坏后经常遭受电功能的损失.
  • 现有的材料缺乏强大的自我愈合和持续的电致性能.

研究的目的:

  • 开发一种具有增强电气功能的自我愈合电源活凝.
  • 为了整合Bacillus subtilis子用于生物活性和导电性恢复.
  • 为了证明水凝在纸质微生物燃料电池中的应用.

主要方法:

  • 在一个由PEDOT:PSS-PVA和充满碳纳米管的纤维素酸微囊组成的双重自我愈合的水凝矩阵中嵌入Bacillus subtilis子.
  • 利用结网络进行机械自我愈合和微破裂以恢复导电性.
  • 利用子发芽触发细菌细胞外电子转移 (EET) 以提高导电性.

主要成果:

  • 液凝展示了双重自我愈合机制,恢复了机械完整性和电导性.
  • 细菌细菌的发芽协同增强了导电性和降低了内部电阻.
  • 液凝作为纸质微生物燃料电池中的阳极,实现功率密度为1.5μW cm-2和开放电路电压为0.38V.

结论:

  • 开发的活体水凝平台为自我修复,高性能生物电子提供了一个范例.
  • 机械弹性,导电恢复和生物触发电活性的整合使先进的应用成为可能.
  • 这项技术对生物传感,能源采集和软生物电子系统具有重大潜力.