SDIX to Report Third Quarter Results on November 14, 2011

SDIX (Nasdaq: SDIX) - a leading provider of biotechnology-based products and services for a broad range of life science, biotechnology, diagnostic, and food safety applications, expects to release its third quarter results at approximately 4 p.m. ET on Monday, November 14, 2011. The Company has scheduled an investor conference call for 4:30 p.m. ET on the same day.

The dial-in number for the live conference call will be 877-407-9210 (201-689-8049 outside the U.S.). A live webcast of the conference call will be available on the Company’s website, www.sdix.com, as well as www.investorcalendar.com. For those who cannot listen to the live broadcast, an audio replay of the call will be available on each of these websites for 90 days. Telephone replays of the call will be available from 7:30 p.m. ET on November 14, 2011 through 11:59 p.m. ET on November 28, 2011. To listen to the telephone replay, dial 877-407-9210 (201-612-7415 outside the U.S.) and enter account number 286 and conference ID 382908.

About SDIX (www.sdix.com)

SDIX is a biotechnology company with a core expertise in creating better antigens, better antibodies and better assays for the pharmaceutical, biotechnology and food safety markets. For over 20 years, SDIX has been a leading immuno-solutions company, developing results-oriented and innovative antibody-based solutions that enable customers to meet high performance research, diagnostic and commercialization objectives.

In the life science market, SDIX’s technology and capabilities are being used to help discover disease mechanisms, facilitate development of new drugs and provide antibodies and assays for the diagnosis of disease. In the food safety market, SDIX continues to expand its footprint as an international supplier of rapid pathogen test technologies that enable more accurate and cost-effective results.

This news release may contain forward-looking statements reflecting SDIX's current expectations. When used in this press release, words like "anticipate”, "could”, "enable”, "estimate”, "intend”, "expect”, "believe”, "potential”, "will”, "should”, "project”, "plan” and similar expressions as they relate to SDIX are intended to identify said forward-looking statements. Investors are cautioned that all forward-looking statements involve risks and uncertainties, which may cause actual results to differ from those anticipated by SDIX at this time. Such risks and uncertainties include, without limitation, changes in demand for products, the application of our technologies to various uses, delays in product development, delays in market acceptance of new products, retention of customers and employees, adequate supply of raw materials, inability to obtain or delays in obtaining fourth party or required government approvals, the ability to meet increased market demand, competition, protection of intellectual property, non-infringement of intellectual property, seasonality, and other factors more fully described in SDIX's public filings with the U.S. Securities and Exchange Commission.