US Patent Issued to Quest Diagnostics Investments on June 17 for "Methods for quantitation of insulin and C-peptide" (California Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,236, issued on June 17, was assigned to Quest Diagnostics Investments LLC (Secaucus, N.J.).

"Methods for quantitation of insulin and C-peptide" was invented by Dov Shiffman (Palo Alto, Calif.), Carmen Tong (Dublin, Calif.), James J. Devlin (Lafayette, Calif.) and Michael J. McPhaul (Capistrano Beach, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods are described for diagnosing or prognosing insulin resistance in diabetic and pre-diabetic patients, the method comprising determining the amount of insulin and C-peptide in a sample. Provided herein are mass spectrometric methods for detecting and quantifying insulin and C-peptide in a biolo...