Location History:
- Seattle, WA (US) (2008)
- Bethlehem, PA (US) (2011 - 2019)
- Charlestown, MA (US) (2014 - 2020)
Company Filing History:
4 out of 2,893 
2 out of 8,384 
2 out of 2,347 
Years Active: 2008-2020
Title: Xuanhong Cheng: An Innovator in Particle Counting Technologies
Introduction
Xuanhong Cheng, an accomplished inventor based in Bethlehem, PA, has made significant contributions to the field of particle counting technologies. With a total of eight patents to his name, Cheng’s work addresses crucial advancements in diagnostic tools, particularly in the identification and quantification of specific cells and nanoparticles.
Latest Patents
One of Cheng's latest innovations is focused on "Counting particles using an electrical differential counter." This method introduces a systematic approach to count particles of interest, such as cells, in a fluid sample. It encompasses the process of obtaining a fluid sample, counting particles with an initial electrical counter, removing specific particles, and then determining the remaining particles with a second counter. The resulting difference reveals the number of particles of interest, paving the way for robust and affordable diagnostic kits designed for counting CD4+ T cells in whole blood samples.
Another notable patent from Cheng is the "Microfluidic concentrator for label-free, continuous nanoparticle processing." This invention comprises a microfluidic channel device that promotes helical fluid motion and includes a temperature control system to manipulate a temperature gradient within the channel. The outlined methods for creating and utilizing this apparatus further enhance the capabilities in nanoparticle processing.
Career Highlights
Cheng's career has been marked by prominent roles in esteemed institutions such as The General Hospital Corporation and the Massachusetts Institute of Technology (MIT). His innovative work in these organizations has been instrumental in advancing research and practical applications in his areas of expertise.
Collaborations
Throughout his career, Xuanhong Cheng has worked alongside notable professionals, including Mehmet Toner and William Rodriguez. These collaborations have contributed to a vibrant exchange of ideas, further pushing the boundaries of innovation in particle counting and microfluidics.
Conclusion
Xuanhong Cheng stands out as a remarkable inventor whose work continues to influence the fields of diagnostics and nanotechnology. With a growing list of patents and collaborations with top industry professionals, Cheng’s contributions are poised to have lasting impacts on healthcare and research methodologies.