John E Heveran

Title: The Innovations of John E Heveran

Introduction

John E Heveran is a notable inventor based in Fairfield, NJ (US). He has made significant contributions to the field of immunoassays, particularly in the detection of cannabinoids and barbiturates. With a total of 5 patents to his name, Heveran's work has had a considerable impact on diagnostic testing.

Latest Patents

One of his latest patents is the "Radioimmunoassay for Cannabinoids." This innovative immunoassay improves the detection of cannabinoids by utilizing reagents such as antibody, ¹²⁵I-radiolabeled antigen, an unlabeled antigen, and an anion exchange resin for the separation of labeled and unlabeled antigens. The iodinated tetrahydrocannabinol moiety is stabilized through the addition of small quantities of antioxidants like butylated hydroxy toluene. Another significant patent is the "Diagnostic Test for Barbiturates," which involves linking aminoaryl esters and amino-lower alkyl amides of carboxy substituted barbiturates via an amide linkage to carboxylated latex polymers. This creates reagents that are useful in a sensitive diagnostic test for detecting the presence of barbiturates in body fluids.

Career Highlights

Heveran has spent a considerable part of his career at Hoffmann-La Roche Inc., where he has been able to apply his expertise in immunoassays. His work has contributed to advancements in medical diagnostics, particularly in the detection of drugs in biological samples.

Collaborations

Throughout his career, Heveran has collaborated with notable colleagues such as Antonino Focella and Manfred Weigele. These collaborations have further enhanced the quality and impact of his inventions.

Conclusion

John E Heveran's contributions to the field of immunoassays have paved the way for improved diagnostic testing methods. His innovative patents continue to influence the medical field, showcasing the importance of his work in advancing healthcare solutions.