Vladislav Dolnik is a notable inventor based in Palo Alto, CA (US). He has made significant contributions to the field of analytical chemistry, particularly in the development of devices and methods for the separation and analysis of ionogenic compounds. With a total of 5 patents, his work has advanced the capabilities of trace and ultra-trace analysis.

Latest Patents

One of his latest patents is titled "Device and method for separation and analysis of trace and ultra-trace ionogenic compounds by isotachophoresis and zone electrophoresis on chip." This invention discloses a device designed for the separation and analysis of trace and ultra-trace ionogenic compounds using isotachophoresis-zone electrophoresis on a chip, featuring online detection. The method allows for the concentration of trace analytes through isotachophoretic migration in a wide separation channel, utilizing a manifold of auxiliary electrodes. As the isotachophoretic zones migrate through a tapered channel, the corresponding auxiliary electrodes are progressively disconnected from the power supply. Once the zones enter the analytical capillary channel, the mode switches to zone electrophoresis, enabling qualitative and quantitative analysis through an online detector.

Another significant patent is focused on a "Separation medium for capillary electrophoresis suppressing electroosmotic flow in bare capillaries and channels." This invention presents a composition of a separation medium and its application for electrophoresis in bare channels, where various forms of boric acid are adsorbed on the channel walls to suppress the zeta potential effectively. Additionally, the patent includes compositions for sieving separation mediums for electrophoresis of DNA and proteins.

Career Highlights

Vladislav Dolnik has established himself as a leading figure in his field through his innovative patents and research contributions. His work has been instrumental in enhancing the efficiency and effectiveness of analytical techniques used in laboratories worldwide.

Collaborations

He has collaborated with notable professionals in the field, including Marcella Chiari and William A Gurske. These collaborations have further enriched his research and development efforts.

Conclusion

Vladislav Dolnik's contributions to the field of analytical chemistry through his patents and collaborations highlight his role as an influential inventor. His innovative approaches continue to shape the landscape of trace and ultra-trace analysis.

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