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Related Concept Videos

Introduction to Mechanisms of Enzyme Catalysis01:13

Introduction to Mechanisms of Enzyme Catalysis

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For many years, scientists thought that enzyme-substrate binding took place in a simple "lock-and-key" fashion. This model stated that the enzyme and substrate fit together perfectly in one instantaneous step. However, current research supports a more refined view scientists call induced fit. The induced-fit model expands upon the lock-and-key model by describing a more dynamic interaction between enzyme and substrate. As the enzyme and substrate come together, their interaction causes...
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Author Spotlight: Advancements in DNA Nanosensors &#8211; Addressing Sensitivity and Selectivity Challenges in Molecular Detection
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Functional catalytic nanoparticles (nanozymes) for sensing.

Yu Ouyang1, Michael P O'Hagan1, Itamar Willner1

  • 1Institute of Chemistry, The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel.

Biosensors & Bioelectronics
|October 14, 2022
PubMed
Summary
This summary is machine-generated.

Nanozymes, nanomaterials with enzyme-like activity, offer versatile sensing applications. These nanozyme-based electrochemical sensors and biosensors show promise for detecting various analytes and developing integrated sense-and-treat systems.

Keywords:
Electrochemical sensorMetal-organic framework (MOF)NanomedicineNanotechnologyOptical sensorSense-and-treat

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Area of Science:

  • Nanomaterials Science
  • Biotechnology
  • Analytical Chemistry

Background:

  • Nanoparticles engineered with specific properties exhibit enzyme-like catalytic activities, termed nanozymes.
  • Nanozymes, including metal nanoparticles, oxides, sulfides, carbon-based materials, and MOFs, mimic oxidase and peroxidase functions.
  • They serve as amplifying agents in sensing diverse analytes and are crucial in developing advanced biosensors.

Conclusions:

  • Nanozymes represent a powerful class of nanomaterials with significant potential in sensing and diagnostics.
  • Nanozyme-based electrochemical sensors and biosensors offer sensitive and selective detection methods.
  • Future research should focus on overcoming challenges in developing robust and clinically applicable nanozyme-based sensors and theranostic systems.