Location History:
- Moraga, CA (US) (1987)
- Walnut Creek, CA (US) (1987 - 1999)
Company Filing History:
4 out of 1,013 
2 out of 504 
2 out of 540 Years Active: 1987-1999
Title: Grace C Tsay: Innovator in Immunoassays and Antibody Treatments
Introduction
Grace C Tsay is a prominent inventor based in Walnut Creek, California, known for her significant contributions to the field of immunology. With a total of eight patents to her name, she has made remarkable advancements in the development of assays and treatments involving antibodies.
Latest Patents
Among her latest patents, Tsay has developed innovative immunoassays for measuring anticomplement activity (AC) in plasma-derived biologically active products. These assays are crucial for determining acceptable levels of AC in therapeutic preparations intended for infusion into mammals. One notable application involves an ELISA for complement components, such as C1q, C1r, or C1s, which helps assess AC in IgM-enriched immune serum globulin. Additionally, she has created methods for heat-treated IgM antibody preparations, which minimize non-specific complement activation while preserving immunologic functions. This process involves heating IgM antibody concentrates at specific temperatures and pH levels to maintain their efficacy.
Career Highlights
Grace C Tsay has worked with notable companies, including Bayer Corporation and Miles Laboratories, Inc. Her experience in these organizations has contributed to her expertise in immunology and patent development.
Collaborations
Throughout her career, Tsay has collaborated with esteemed colleagues, including Gary J Jesmok and Michael S Collins. These partnerships have further enhanced her research and innovation in the field.
Conclusion
Grace C Tsay's work in immunoassays and antibody treatments has significantly impacted the medical field. Her innovative patents and collaborations reflect her dedication to advancing immunological research and improving therapeutic applications.