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Related Concept Videos

Batteries and Fuel Cells03:12

Batteries and Fuel Cells

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A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
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Microbial Morphologies01:29

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Bacterial and archaeal cells exhibit remarkable diversity in shape and structure, critical in their adaptability and functionality. Among bacteria, the most commonly observed shapes include cocci and bacilli. Cocci are spherical and may exist singly or in groupings such as pairs (diplococci), chains (streptococci), clusters (staphylococci), or tetrads. Bacilli, in contrast, are rod-shaped and can also occur as single cells, in pairs, or chains, depending on their environmental and genetic...
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Microbial Fermentation01:23

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Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
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Microbial Nutrition01:28

Microbial Nutrition

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Organisms exhibit remarkable metabolic diversity, categorized based on how they acquire energy and carbon. These strategies enable survival in various ecological niches and are essential for maintaining energy flow and nutrient cycling within ecosystems.Energy and Carbon SourcesOrganisms are classified as phototrophs or chemotrophs based on energy acquisition. Phototrophs use light as their energy source, while chemotrophs rely on oxidizing chemical compounds. Further differentiation arises...
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Microbial Classification System01:24

Microbial Classification System

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Classification is the process of organizing organisms into hierarchically inclusive groups based on their phenotypic similarities or evolutionary relationships. A species comprises one or more strains, and closely related species are grouped into genera. Genera are further classified into families, families into orders, orders into classes, and so forth, up to the domain level, which is the broadest taxonomic rank derived from a combination of phenotypic and genotypic data.The nomenclature of...
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Microbial Growth Media01:27

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Microbial growth media are essential tools in microbiology, providing the nutrients and conditions necessary to cultivate and study microorganisms. These media are categorized by their composition, consistency, and functional roles, enabling researchers to investigate microbial physiology, behavior, and interactions.Types and Consistencies of Growth MediaGrowth media can be solid, liquid, or semisolid. Solid media, often agar-based, allow visible colony growth for isolation and enumeration.
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Updated: Jan 21, 2026

Probing and Mapping Electrode Surfaces in Solid Oxide Fuel Cells
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Probing and Mapping Electrode Surfaces in Solid Oxide Fuel Cells

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Microbial Fuel Cell-Based Biosensors.

Yang Cui1, Bin Lai2, Xinhua Tang3

  • 1School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China.

Biosensors
|July 26, 2019
PubMed
Summary
This summary is machine-generated.

Microbial fuel cells (MFCs) are versatile environmental biotechnologies. MFC-based biosensors offer sustainable solutions for monitoring water and air quality, including biochemical oxygen demand (BOD) and toxicity.

Keywords:
BODbiosensorsenvironmental monitoringmicrobial fuel cellstoxicity

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Area of Science:

  • Environmental biotechnology
  • Electrochemical biosensing

Background:

  • Microbial fuel cells (MFCs) are emerging technologies for power generation and wastewater treatment.
  • Advancements in MFCs have broadened their applications beyond energy, including chemical synthesis and bioremediation.
  • MFC-based biosensors are gaining traction due to their sustainable and simple design.

Purpose of the Study:

  • To review the current state of MFC-based biosensors.
  • To highlight applications in monitoring biochemical oxygen demand (BOD) and toxicity.
  • To discuss other uses like dissolved oxygen (DO) and microbial activity detection.

Main Methods:

  • Review of existing literature on MFC-based biosensors.
  • Focus on applications related to water and air quality monitoring.
  • Analysis of MFC operational principles for sensing capabilities.

Main Results:

  • MFC-based biosensors show significant potential for environmental monitoring.
  • Key applications include the detection of BOD and various toxicants.
  • Other notable uses involve monitoring dissolved oxygen and microbial activity.

Conclusions:

  • MFC-based biosensors represent a sustainable and promising technology for environmental sensing.
  • Further research is needed to address current challenges and unlock future prospects.
  • These biosensors offer a simple yet effective approach to monitoring critical environmental parameters.