thumb|Photochemical immersion well reactor (50 mL) with a mercury-vapor lamp
I cannot write an accurate 2-sentence overview of photochemistry based solely on the provided context, as it contains only a caption describing a piece of laboratory equipment without explaining what photochemistry is or why it matters. To write responsibly, I would need contextual information that actually defines and explains photochemistry.
AI-generated from the Wikipedia summary — may contain errors.
via PubMed
thumb|Photochemical immersion well reactor (50 mL) with a mercury-vapor lamp
Photochemistry is the branch of chemistry concerned with the chemical effects of light. Generally, this term is used to describe a chemical reaction caused by absorption of ultraviolet (wavelength from 100 to 400 nm), visible (400–750 nm), or infrared radiation (750–2500 nm).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).