1. Biology Dictionary
  2. Photo Dynamic Therapy (PDT)

Photo Dynamic Therapy (PDT)光动力疗法 (PDT)

释义:

Photodynamic therapy (PDT) is a treatment method that uses a combination of photosensitizers and light sources (usually lasers). PDT requires the introduction of photosensitizers into the body, which are then activated by light of a specific wavelength, resulting in a chemical reaction in the diseased tissue, generating reactive oxygen species that destroy cancer cells. However, in PDT technology, the tissue penetration depth of light is not always effective, and there is also the risk of ionizing radiation toxicity from X-rays. In contrast, the application of SDT tends to be more widely adaptable, can be non-invasive or minimally invasive, and is an ideal nanotechnology platform.

光动力疗法 (PDT) ,一种使用光敏剂和光源(通常是激光)相结合的治疗方法。PDT需要将光敏剂导入体内,然后通过特定波长的光照激活这些光敏剂,从而在病变组织中产生化学反应,生成活性氧物种破坏癌细胞。但因为 PDT 技术中,光的组织穿透深度不总是有效,还有来自 X 射线的电离辐射毒性的风险。相比之下,SDT 的应用往往更具有广泛适应性,可以实现非侵入性或微创性,是理想的纳米技术平台。

 

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