John A Chakel

Title: John A. Chakel: Innovator in Miniaturized Analytical Devices

Introduction

John A. Chakel is a notable inventor based in San Mateo, CA (US). He has made significant contributions to the field of analytical devices, holding a total of 3 patents. His work primarily focuses on miniaturized systems for sample analysis, which have applications in various scientific fields.

Latest Patents

Chakel's latest patents include a miniaturized device for separating the constituents of a sample and delivering them to a mass spectrometer. This innovative device is designed for use in liquid phase analysis systems and features a separation compartment in fluidic communication with a make-up flow channel. The device is formed through microfabrication of microstructures in novel support substrates. Another significant patent is an integrated nucleic acid analysis system for matrix-assisted laser-desorption/ionization time-of-flight mass spectroscopy (MALDI-TOF MS). This system includes a miniaturized sample preparation compartment that interfaces directly with a MALDI-TOF ionization surface, allowing for the amplification and analysis of DNA samples for genetic diagnosis and other applications.

Career Highlights

Throughout his career, John A. Chakel has worked with prominent companies such as Hewlett-Packard Company and Agilent Technologies, Inc. His experience in these organizations has contributed to his expertise in developing advanced analytical technologies.

Collaborations

Chakel has collaborated with notable individuals in the field, including William S. Hancock and James A. Apffel. These collaborations have further enriched his work and innovations in analytical devices.

Conclusion

John A. Chakel's contributions to the field of miniaturized analytical devices demonstrate his commitment to advancing technology in sample analysis. His patents reflect a deep understanding of the complexities involved in modern analytical techniques.