What’s New
A New Carminic acid – Will Wonders Never Cease?
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...
Are fluorescent probes biological stains?
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....
Annual meeting and symposium June 2021 cancelled
The symposia and annual meetings of the Biological Stain Commission (BSC), planned for June 2020 and 2021, have been cancelled because of the coronavirus pandemic. Provisionally, the symposium is deferred until June 2022. A minimal BSC business meeting was held by...
Have you paid your membership?
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. It is necessary to renew your membership in the...
Current issues of interest to vendors and users of dyes and biological stains.
Certified dyes 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...