What question did this study set out to answer?

To develop a ZnPPA@Tz-BSA complex as an effective photosensitizer for tumor photodynamic therapy.

December 9, 2025

Pre-targeted delivery of Tetrazinylated Albumin-Zinc (II) Porphyrin Complex for Tumor Photodynamic Therapy

ZHZheng HuangHuaihua University YMYinxing MiaoNanjing University XZXiaolei ZhaoShanghai Jiao Tong University

Key Points

To develop a ZnPPA@Tz-BSA complex as an effective photosensitizer for tumor photodynamic therapy.
Utilized tetrazine-modified bovine serum albumin and Zinc porphyrin to create the complex ZnPPA@Tz-BSA.
Evaluated the complex's solubility and reactivity in vitro.
Assessed the effectiveness of the complex in generating reactive oxygen species.
ZnPPA@Tz-BSA demonstrated enhanced water solubility compared to other photosensitizers.
The complex showed improved generation of reactive oxygen species, which is crucial for photodynamic therapy efficacy.

Abstract

We present ZnPPA@Tz-BSA, a complex of tetrazine (Tz)-modified bovine serum albumin (Tz-BSA) and Zinc porphyrin (ZnPPA), designed as a tumor-pretargeting photosensitizer. ZnPPA@Tz-BSA shows enhanced water solubility and improved reactive oxygen...

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