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The Pharmaceutical Stability Discussion Group Email List (PSDGList) was established early in 1989 by an interested group at Bristol-Myers Squibb. The purpose of this list was to provide a forum for pharmaceutical scientists to exchange ideas and experiences about stability-related issues. However, the labor and cost involved in the maintenance of the service forced its closure in 2005.

The Microbiology Network, Inc. re-launched the service on September 1, 2005. Within the first 24 hours the list grew from the initial 632 members to 700, and these from 22 countries worldwide. Participation in this free service is available to all interested in pharmaceutical stability discussions and currently (early in 2016) is almost 2400.

The mailing list works as follows:

Email sent to the PSDGList by subscribers are distributed to all subscribers. Replies to that email are sent to all subscribers. (All messages go through a moderator for approval.)

The usefulness of the mailing list depends on the amount (and quality) of information disseminated through the list. This is a very active list, and we encourage you to support this venture.


We have a complete archive of the list from September of 2005.


There are no costs involved in using the mailing list (unless host institutions charge for email communications).


Please note that the nature of this service is to provide a medium for communication. The specific statements and endorsements of individuals participating in the discussions are not necessarily those of The Microbiology Network, Inc., the PSDG, or the sponsors of the list.

Job Postings

Recruiters are welcome to post blind job openings to the list in exchange for a modest fee to assist in the cost of providing the list. Individuals or recruitment firms seeking candidates for their labs may post job openings for no charge with the provision that the company, location, position and responsibilities of the job opening are clearly identified.


See our FAQ page. If you would like to know more about the mailing list please email us.

How to Subscribe to the mailing list

You can subscribe by filling out our Subscription Form.

How to send mail to the list

Send an email to PSDGList@lists.microbiologynetwork.com. Use the subject line to give a general indication (in less than 30 characters if possible) of the content of the message. Your message will be sent to the other PMFList subscribers after the moderator has a chance to review it for appropriate content.

How to Unsubscribe

If you wish to be removed from the mailing list, send an email message to listserv@lists.microbiologynetwork.comlistserv@lists.microbiologynetwork.comwith the following text in the body of the message: unsubscribe PSDGLIST