Company Filing History:
Years Active: 1992-1994
Title: Innovations of Chen-Yie Chien in Lithium Analysis
Introduction
Chen-Yie Chien is an accomplished inventor based in Ashland, MA (US). He has made significant contributions to the field of analytical chemistry, particularly in the analysis of lithium. With a total of 2 patents, his work has advanced methodologies for lithium determination in clinical samples.
Latest Patents
Chen-Yie Chien's latest patents focus on an indirect potentiometric method and diluent for the analysis of lithium. The first patent discloses a diluent that includes effective amounts of a pH buffer and a non-cationic surfactant. This surfactant comprises at least one hydrophobic group and one hydrophilic group, while being substantially free of polyoxyethylene groups. The preferred pH buffer is tris-(hydroxymethyl) aminomethane-phosphate, and the surfactant is 2, 4, 7, 9-tetramethyl-5-decyn-4,7 diol. The method involves mixing a clinical sample with the diluent and measuring the response of a lithium-specific ion selective electrode.
The second patent also describes an indirect potentiometric method and diluent for lithium analysis. This diluent includes a pH buffer, at least one lithium salt, and a non-cationic surfactant. The preferred components remain the same, with lithium chloride as the lithium salt. The process similarly involves mixing the sample with the diluent and measuring responses from specific electrodes to determine lithium concentration.
Career Highlights
Chen-Yie Chien is currently employed at Beckman Instruments, Inc., where he continues to innovate in the field of analytical chemistry. His work has been instrumental in developing more accurate and efficient methods for lithium analysis, which is crucial for various clinical applications.
Collaborations
Throughout his career, Chen-Yie Chien has collaborated with notable colleagues, including Frank R Shu and Julie S Kim. These collaborations have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Chen-Yie Chien's contributions to lithium analysis through his innovative patents demonstrate his expertise and commitment to advancing analytical methodologies. His work at Beckman Instruments, Inc. continues to impact the field positively.
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