Issue 48, 2023

Sonocatalytic cancer therapy: theories, advanced catalysts and system design

Abstract

Treating cancer remains one of the most formidable challenges in modern medicine, with traditional treatment options often being limited by poor therapeutic outcomes and unacceptable side effects. Nanocatalytic therapy activates tumor-localized catalytic reactions in situ via nontoxic or minimally toxic nanocatalysts responding to unique cues from the tumor microenvironment or external stimuli. In particular, sonocatalytic cancer therapy is a promising approach that has emerged as a potential solution to this problem through the combination of ultrasound waves and catalytic materials to selectively target and destroy cancer cells. Compared to light, ultrasound exhibits higher spatial precision, lower energy attenuation, and superior tissue penetrability, furnishing more energy to catalysts. Multidimensional modulation of nanocatalyst structures and properties is pivotal to maximizing catalytic efficiency given constraints in external stimulative energy as well as substrate types and levels. In this review, we discuss the various theories and mechanisms underlying sonocatalytic cancer therapy, as well as advanced catalysts that have been developed for this application. Additionally, we explore the design of sonocatalytic cancer therapy systems, including the use of heterojunction catalysts and the optimal conditions for achieving maximum therapeutic effects. Finally, we highlight the potential benefits of sonocatalytic cancer therapy over traditional cancer treatments, including its noninvasive nature and lower toxicity.

Graphical abstract: Sonocatalytic cancer therapy: theories, advanced catalysts and system design

Article information

Article type
Review Article
Submitted
07 Sept. 2023
Accepted
02 Nov. 2023
First published
03 Nov. 2023

Nanoscale, 2023,15, 19407-19422

Sonocatalytic cancer therapy: theories, advanced catalysts and system design

R. Li, X. Wang, J. Shi, Y. Kang and X. Ji, Nanoscale, 2023, 15, 19407 DOI: 10.1039/D3NR04505F

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