Part two of the Webinar will be conducted on Thursday, April 9, 2015 at 1:00 pm (EST).

The focus in Part 2 will explore the differences between fixed-angle and swing-bucket (horizontal) centrifugation, g-force versus RPM, executing a validation study for alternative g-force centrifugation, and the nuances between serum and plasma samples.


  • - Discuss the differences between fixed-angle versus horizontal centrifuges in processing samples for testing.
  • - Explain the difference between g-force and RPM.
  • - Compare serum and plasma with respect to determining the optimum specimen for testing.

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Hosted in collaboration between Drucker Diagnostics and Greiner Bio-One North America, Inc. this webinar will be presented by Dennis Ernst. 

Dennis J. Ernst MT (ASCP) is the Director of the Center for Phlebotomy Education, Inc. in Corydon, Indiana. Besides being a highly recruited international lecturer, he has authored of over 50 articles on phlebotomy, two textbooks and a desk reference. He chairs the CLSI working groups that write the standards for specimen collection and is the editor of the Phlebotomy Today family of newsletters, read monthly by over 16,000 subscribers worldwide.

“We are pleased to have the opportunity to partner with Greiner Bio-One in providing the two part webinar. With Greiner Bio-One’s knowledge of high quality plastic medical devices and Drucker Diagnostics’ long standing tradition of providing the widest range and most cost effective centrifuge products, we are confident that the audience will gain valuable knowledge in sample handling”, stated Craig Stout, General Manager and Vice President of Drucker Diagnostics.

About Drucker Diagnostics

Drucker Diagnostics is a privately held company headquartered in Port Matilda, Pennsylvania. The company manufactures a line of complete blood count analyzers, clinical centrifuges, fluorescence microscopy and infectious disease products. Additional information can be found by visiting the company website ( or by calling +1-814-692-7661.

About Greiner Bio-One

Greiner Bio-One is a well-known manufacturer of high-quality plastic medical devices with products being sold in laboratories and research facilities worldwide. Additional information can be found by visiting the company website ( or by calling +1-704-261-7800.