Enhanced delivery of the phototherapeutic nanoparticles via hepatocyte overload

Jae Yeon Kim, Ye Chan Kil, Da Hye Yang, Dal Yong Park, Hee Jun Jang, Song Kyu Park, Yong Woo Jung, Hong Yeol Yoon, Kwangmeyung Kim, Daesub Song, Soon Hong Yuk

Research output: Contribution to journalArticlepeer-review


Phototherapeutic nanoparticles (NPs) were prepared with methylene blue (MB), indocyanine green (ICG), and Solutol through self-assembly. Generation of reactive oxygen species and elevation of temperature were observed that verify the photodynamic/photothermal effects of the NPs. Morphology and size distribution of the NPs were examined by transmittance electron microscopy and dynamic light scattering. The biodistribution of the NPs and their antitumor efficacy were examined using tumor-bearing mice to understand the phototherapeutic effect of the NPs on tumors. To enhance targetability with enhanced therapeutic efficacy, empty NPs (Solutol nanoparticles without MB and ICG) at different concentrations were injected along with the phototherapeutic NPs. Enhanced delivery of the phototherapeutic NPs at the tumor site was examined based on hepatocyte overload.

Original languageEnglish
Article number112959
JournalColloids and Surfaces B: Biointerfaces
StatePublished - Jan 2023

Bibliographical note

Publisher Copyright:
© 2022 Elsevier B.V.


  • Hepatocyte overload
  • Indocyanine green
  • Methylene blue
  • Phototheraputic nanoparticles
  • Solutol


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