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Related Concept Videos

Enzymes02:34

Enzymes

95.1K
Inside living organisms, enzymes act as catalysts for many biochemical reactions involved in cellular metabolism. The role of enzymes is to reduce the activation energies of biochemical reactions by forming complexes with its substrates. The lowering of activation energies favor an increase in the rates of biochemical reactions.
Enzyme deficiencies can often translate into life-threatening diseases. For example, a genetic abnormality resulting in the deficiency of the enzyme G6PD...
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Enzyme Kinetics01:19

Enzyme Kinetics

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Enzymes speed up reactions by lowering the activation energy of the reactants. The speed at which the enzyme turns reactants into products is called the rate of reaction. Several factors impact the rate of reaction, including the number of available reactants. Enzyme kinetics is the study of how an enzyme changes the rate of a reaction.
Scientists typically study enzyme kinetics with a fixed amount of enzyme in the controlled environment of a test tube. When more reactant, or substrate, is...
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Enzyme-linked Receptors01:00

Enzyme-linked Receptors

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Enzyme-linked receptors are proteins that act as both receptor and enzyme, activating multiple intracellular signals. This is a large group of receptors that include the receptor tyrosine kinase (RTK) family. Many growth factors and hormones bind to and activate the RTKs.
Neurotrophin (NT) receptors are a family of RTKs, including trkA, trkB, and trkC (tropomyosin-related kinase) receptors. TrkA is specific for nerve growth factor (NGF), neurotrophin-6, and neurotrophin-7. TrkB binds...
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Overview of Advanced Functional Groups02:22

Overview of Advanced Functional Groups

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Functional groups are groups of atoms with specific chemical properties that occur within organic molecules and are sometimes denoted as “R”. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
Types of Advanced Functional Groups
The table below summarizes some of the major functional groups in organic chemistry.
30.2K
Extraction: Advanced Methods00:56

Extraction: Advanced Methods

1.2K
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Enzyme Inhibition01:30

Enzyme Inhibition

92.8K
Inhibitors are molecules that reduce enzyme activity by binding to the enzyme. In a normally functioning cell, enzymes are regulated by a variety of inhibitors. Drugs and other toxins can also inhibit enzymes. Some inhibitors bind to the enzyme’s active site, while others inhibit enzymatic activity by binding to other sites on the protein structure.
92.8K

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Updated: Feb 10, 2026

Multi-enzyme Screening Using a High-throughput Genetic Enzyme Screening System
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Advances in enzyme bioelectrochemistry.

Andressa R Pereira1, Graziela C Sedenho1, João C P DE Souza1

  • 1São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP, Brazil.

Anais Da Academia Brasileira De Ciencias
|May 10, 2018
PubMed
Summary

Bioelectrochemistry explores electron-proton transfer in biomolecules and enzyme reactions. This field impacts biotechnology, medical devices, and bioenergy, offering insights into metabolism and enzyme mechanisms.

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Area of Science:

  • Bioelectrochemistry is a branch of chemical science focused on electron-proton transfer and transport involving biomolecules and electrode reactions of redox enzymes.

Background:

  • Bioelectrochemical systems are crucial for biotechnological advancements, medical device design, DNA-protein complex behavior, and bioenergy concepts.
  • Understanding metabolism in living organisms relies on biomolecules integral to health and function.
  • Recent research focuses on redox enzymes using electrochemistry to understand mechanisms and develop bioanodes, biocathodes, biosensors, and bioelectronic devices.

Purpose of the Study:

  • This review introduces key topics in enzyme bioelectrochemistry.
  • It aims to provide insights into enzyme immobilization, electron transfer, and bioelectrocatalysis.
  • The review also covers new electrochemical techniques for studying redox protein kinetics and thermodynamics.

Main Methods:

  • Electrochemical techniques are employed to study redox enzymes.
  • Enzyme immobilization on electrode surfaces is a key method.
  • Advanced electrochemical techniques are used to analyze enzyme kinetics and thermodynamics.

Main Results:

  • The review highlights recent approaches in designing biosensors.
  • It presents developments in biofuel cell technologies.
  • Understanding enzyme mechanisms is advanced through electrochemical studies.

Conclusions:

  • Enzyme bioelectrochemistry is vital for developing new biotechnologies and bioenergy solutions.
  • Electrochemical studies provide critical insights into enzyme mechanisms and functions.
  • This field holds significant promise for medical devices and understanding biological processes.