glycin

plural glycins

1. countableuncountablechemistryA phenolic derivative of glycine, N-(4-hydroxyphenyl)glycine, used as a photographic developer.

   Glycin developers are non-staining and have exceptionally good keeping properties, but are too slow in action for general use.

   2011, Elizabeth Allen, Sophie Triantaphillidou, The Manual of Photography, page 257

   2 more examples

   Glycin is a versatile paper developer that produces a strong, deep black on bromide papers and brown to sepia tones on warm-tone chloride and chlorobromide papers.

   2008, Robert Hirsch, Photographic Possibilities, page 142

   Glycin immersed in LN₂ formed an amorphous product. Upon heating to –65 °C an unidentified crystalline phase of glycin was observed, which transformed at ≈ 55 °C to 2-glycin.

   2008, Georg-Wilhelm Oetjen, Peter Haseley, Freeze-Drying, page 23

2. countablemisspellinguncountableMisspelling of glycine.

   The level of glycin (Table 4) in the serum and the plasma of autistic patients does not show consistent changes.

   2007, Katalin Köves, Andrea Heinzlmann, “Chapter 1: Neurotransmitters and Neuropeptides in Autism”, in Barbara S. Mesmere, editor, New Autism Research Developments, page 51