How to Use porphyrin in a Sentence

porphyrin

noun

• Deer urine contains porphyrins and amino acids.
  — Mrigakshi Dixit, Interesting Engineering, 26 Dec. 2025
• Urine also glows due to the presence of porphyrins and amino acids.
  — New Atlas, 10 Feb. 2026
• Right in the middle of each porphyrin molecule sits a magnetic atom—like iron.
  — Dexter Johnson, IEEE Spectrum, 2 June 2017
• Separate spectroscopy measurements revealed the signature of an iron-binding structure called porphyrin within the cell-like forms.
  — New Atlas, 2 Nov. 2026
• In this case, the potential dino-porphyrins were confirmed only in bone extracts, with other measurements then connecting their chemistry with the microscopic cell structures.
  — New Atlas, 2 Nov. 2026
• The researchers point out that the mat was dominated by compounds derived from photosynthetic pigments, while the extract’s porphyrins were overwhelmingly heme-related.
  — New Atlas, 2 Nov. 2026