Researchers at the Massachusetts Institute of Technology have developed a microneedle patch containing a nanocrystal dye that creates near-infrared-emitting dots under the skin.

中文翻译：

---

隐形染料将疫苗接种记录嵌入皮肤

麻省理工学院的研究人员已经开发出一种包含纳米晶体染料的微针贴剂，该染料可在皮肤下产生近红外发射点。