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Related Concept Videos

Catalysis02:50

Catalysis

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The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.
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Targeted Cancer Therapies02:57

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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
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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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Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be...
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Group therapy is a sociocultural approach to psychological treatment, where individuals with shared psychological challenges come together under the guidance of a mental health professional. This therapeutic modality offers unique opportunities for individuals to connect, share, and grow within the context of a supportive group. By fostering mutual understanding and collaboration, group therapy can address a range of psychological concerns effectively, often complementing or surpassing the...
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Spatiotemporal Control of Protein Activity through Optogenetic Allosteric Regulation
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Nanozyme Microrobots: Programmable Spatiotemporal Catalysis for Targeted Therapy and Diagnostics.

Hong Huy Tran1,2,3,4, Nil Kanatha Pandey2,3,4,5, David P Cormode5,6

  • 1Department of Chemical and Biomolecular Engineering, School of Engineering & Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania, USA.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
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Nanozyme microrobots offer precise, on-demand catalysis for biomedical uses. These tiny robots combine nanomaterials and robotics for targeted therapies and diagnostics in challenging environments.

Keywords:
biomedical robotsclose‐loop feedback controllocalized catalysisreactive oxygen speciesstimuli‐responsive actuationstructure‐activity relationships

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Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Catalysis

Background:

  • Bulk catalysis faces limitations in precision, substrate access, and adaptability in biological settings.
  • Nanozyme microrobots integrate catalytic nanomaterials with robotic control for enhanced functionality.
  • Current challenges include achieving precise spatiotemporal control in complex biological environments.

Purpose of the Study:

  • To review the design principles, actuation strategies, and biomedical applications of nanozyme microrobots.
  • To highlight the potential of these platforms for targeted diagnostics and therapy.
  • To explore the integration of nanozymes with microrobotics for advanced biomedical interventions.

Main Methods:

  • Review of literature on nanozyme microrobot design, actuation (magnetic, acoustic, optical, chemical), and control.
  • Analysis of strategies for stimulus-responsive activation and targeted navigation.
  • Examination of applications in biofilm control, oncology, and diagnostics.

Main Results:

  • Nanozyme microrobots enable programmable, spatiotemporal catalysis with high precision.
  • Actuation by external stimuli allows for on-demand localization and modulation of catalytic activity.
  • These platforms facilitate precise intervention in challenging niches like biofilms and tumors.

Conclusions:

  • The convergence of nanozyme catalysis and microrobotic mobility creates versatile and adaptive platforms.
  • Nanozyme microrobots overcome limitations of traditional catalysis in biological applications.
  • These systems show significant potential to transform targeted diagnostics and therapy.