Henry Honghua Du, Age 617 North Rd, Short Hills, NJ 07078

2004022, Nov 11, 2004

Jul 16, 2002

10/196678

Suhas Bhandarkar - Alfred NY, US
Henry Du - Short Hills NJ, US
David Johnson - Bedminster NJ, US
Glen Kowach - Fanwood NJ, US

C03B019/12

065/386000, 065/395000

Silica sol techniques are described for making thick silica or silica based films useful for planar optical waveguides. The process involves coating of a colloidal silica sol onto a substrate, drying the sol, and consolidating the dried sol to form the planar waveguide. Coating is performed in a simple operation, either by dipping, or preferably by spin coating. In a preferred embodiment the substrate is coated with a wetting agent prior to spin coating. It is found that the wetting agent substantially improves the thickness uniformity of the layer. Thick waveguide layers may be produced by repeating the coating process one or more times to produce a layer with the desired thickness. Buried waveguides are produced by forming a doped core layer, patterning the doped core layer and using the coating technique of the invention to form the cladding material.

2007002, Jan 25, 2007

Jul 29, 2005

11/194119

Henry Du - Short Hills NJ, US
Svetlana Sukhishvili - Maplewood NJ, US

G01N 21/00

422058000, 977957000

An inventive sensor is used in combination with spectroscopic techniques to detect, identify and quantify ultratrace (ppt to ppb) quantities of analytes in air or water samples. The sensor preferably comprises a photonic crystal fiber having an air hole cladding with functionalized air holes. Surface-enhanced Raman spectroscopy is a preferred spectroscopic technique. In such applications, the air holes of the fiber may be functionalized by adsorbing a self-assembled monolayer on their inner surfaces, and immobilizing metallic nanoparticles to the monolayer. The invention has chemical and biomedical applications, and utility in detecting chemical and biological agents used in warfare.

2013014, Jun 6, 2013

Nov 30, 2012

13/690831

The Trustees of the Stevens Institute of Technolog - Hoboken NJ, US
Woo Young Lee - Ridgewood NJ, US
Arthur B. Ritter - Morristown NJ, US
Xiaojun Yu - Fishers IN, US
Hongjun Wang - Millburn NJ, US
Henry Du - Short Hills NJ, US
Chang-Hwan Choi - Palisades Park NJ, US
Wenting Zhang - Jersey City NJ, US
Yexin Gu - North Bergen NJ, US

The Trustees of the Stevens Institute of Technology - Hoboken NJ

C12Q 1/02

435 71, 4352891, 4352972, 4352887, 4352872, 435 34

A microfluidic-based platform with cultured three-dimensional tissues simulates major human physiological systems for rapid evaluation of individual drugs prior to clinical testing or for personalized medical applications. The platform integrates the circulatory and lymphatic systems in a physiologically correct manner. The physiological systems may be simulated in the platform by microfluidic tissue culture devices which accommodate various tissues and provide integrated microvascular and lymphatic systems. Biomimetic nanofiber meshes or microfiber structures may be used to provide the cells with a physiologically relevant substrate. Each device may have an on-board detection system utilizing optical fiber bundles for microarray multiplexing of biomarkers, label-free SERS measurement of drugs, and microendoscopic confocal imaging of cells and tissues.

2015032, Nov 12, 2015

May 6, 2015

14/705371

- Hoboken NJ, US
Henry Du - Short Hills NJ, US
Peter Tolias - Westfield NJ, US

The Trustees of the Stevens Institute of Technology - Hoboken NJ

G01N 33/493
H01J 49/00
G01J 3/44
G01N 33/50
G01N 21/78

A method for identifying a kidney condition of a patient includes receiving a urine sample from a patient. The patient provides the urine sample a predetermined amount of time after having been administered a dose of a sugar alcohol. The method also includes determining whether the sugar alcohol is present in the urine sample. The method also includes identifying a kidney condition of the patient, if the sugar alcohol is present in the urine sample.