Richard W. Dapson writes, on 17th May 2021: Carminic acid and its aluminum lake, carmine, are important histological dyes, but commercial trade in these products has undergone massive shifts in the last few decades due to market forces way beyond histology. Originally a textile dye from Central and South America, indigenous people harvested a parasitic […]
Are fluorescent probes biological stains? On 29th April 2021 Richard W. Horobin wrote: There are various communities of clinical lab workers who use “traditional” microscopic staining methods, such as hematoxylin and eosin, and the Gram or Papanicolaou stains. However even these three stains are most commonly used by three quite distinct groups of people, typically […]
Have you paid your membership? Membership is ordinarily renewable one year after the last payment of dues. Each member should receive an automatically generated email reminder, three weeks before the renewal date. Many graduate students and other clinical and research trainees attending the BSC’s 2023 meeting were given free membership for one year. If you […]
Certified dyes [Updated October 2022] The following additions and changes have been made since 2002, the year of publication of the 10th edition of Conn’s Biological Stains and of a detailed account of tests then used in the Commission’s assay laboratory (Penney et al. 2002). The following notes (alphabetically by names of dyes) refer to […]
