Eastman-kodak Company

Carestream Health, Inc.

Other

Najing Technology Corporation Limited

Bigsky Technologies LLC

Tiecheng A Qiao

Mridula Nair

Yongcai Wang

Krishnan Chari

Brian J Kelley

Joseph F Bringley

Jeffrey W Leon

Tamara K Jones

Suresh Sunderrajan

Lloyd A Lobo

Joseph Salvatore Sedita

Thomas L Penner

Douglas Lincoln Vizard

Kevin M O'Connor

Zhihao Yang

David Battaglia

Robert E McCovick

Qiang Zhang

David Lynn Patton

Thomas Henry Whitesides

Hwei-Ling Yau

Peter J Twist

David M Teegarden

John W Harder

James Stephen Honan

Eric R Schmittou

Daniel L Kapp

Kevin P Dockery

Kenneth James Lushington

Yun C Chang

Haoguo Zhu

Lynda W McGarry

Ramasubramaniam Hanumanthu

Brian J Antalek

Andrew Wunder

Haogua Zhu

James M Hewitt

Susan Power

Thomas I Penner

Robledo O Gutierrez

The present invention relates to the use of light-converting, colloidal, doped semiconductor nanocrystals to provide a new generation of high performance, low cost monochromatic and white light sources based on LEDs.

Semiconductor nanocrystals used with LED sources

The present invention relates to low reabsorbing semiconductor nanocrystals having, simultaneously, an emission center core surrounded by at least one absorbing shell capable of absorbing blue or purple light and a protective exterior shell. The emission center core is capable of emitting at least one different wavelength range of light. The low reabsorbing semiconductor nanocrystals demonstrate an absorbance ratio greater than or equal to 10. These low reabsorbing semiconductor nanocrystals can be used in optical applications, some of which can include, for example, light-emitting diodes, solid-state-lighting, solar cells, lasers, and biomedical tags.

Simultaneous optimization of absorption and emission of nanocrystals

This invention relates to a method of making a composition comprising a colloid comprising particles having a colloidal silica core and a shell, said method comprising the steps of:

Colloidal core-shell assemblies and methods of preparation

Disclosed in this specification is an aqueous dispersion for treating a textile. The dispersion generally includes surface-functionalized inorganic oxides in combination with a fluorochemical. Significantly lower concentrations of fluorochemicals are present in comparison to prior art dispersions.

Stain and soil resistant textile article

The invention relates to a composition comprising a colloid which is stable under physiological pH and ionic strength, said colloid comprising particles having a silica core and a shell: a) wherein said shell comprises a cross-linked poly(ethylene)imine polymer having amine functionalities; b) wherein the particles have a volume-weighted mean particle size diameter of less than 200 nm, and c) wherein greater than 50% of said polymer in the colloid is bound to the core surfaces, wherein the polymer having amine functionalities has an average molecular weight less than 100,000 g/mol, the composition has a H of between 6 and 8; and d) wherein the colloid contains between 300 and 6000 .&#x3bc;mol amine-monomer/g core particles.

Amine polymer-modified nanoparticulate carriers

The present invention relates to a method of detecting nucleic acids comprising suspending at least one recognizable target nucleic acid in a suspending solution containing polymeric particles marked with a probe, wherein the probe has an affinity for the target nucleic acid, adding a recognition unit-peroxidase conjugate marker to the suspending solution, forming a complex of the polymeric particles marked with a probe, the target nucleic acid and the recognition unit-peroxidase conjugate marker, contacting the suspending solution with a gelatin surface, adding a developer to the suspending solution in contact with the gelatin surface in the presence of phenol to attach the complex to the gelatin surface, washing the gelatin surface, and detecting the complex attached to the gelatin surface.

Method and system for nucleic acid detection

The present invention relates to a method of detecting biological analytes comprising suspending a target analyte in a suspending solution containing polymeric particles marked with a probe, wherein the probe has an affinity for said target analyte; adding recognition unit-peroxidase conjugate marker to the suspending solution; forming a complex of the target analyte, the polymeric particles marked with a probe, and the recognition unit-peroxidase conjugate marker; contacting a gelatin surface with the suspending solution; adding developer to the suspending solution in contact with the gelatin surface in the presence of phenol to attach the complex to the gelatin surface; washing the gelatin surface; and detecting the complex attached to the gelatin surface.

Method for sensitive detection of multiple biological analytes

The present invention relates to a polymer particles comprising a polymer bead stabilized by vinylsulfonyl-functionalized polymers grafted to the surface of the bead, as well as a particle composition comprising monodisperse polymer beads stabilized by vinylsulfonyl-functionalized polymers, wherein the vinylsulfonyl-functionalized polymers are grafted to the surfaces of the beads. The invention also includes a method of preparing monodisperse polymer particles comprising preparing a homogeneous solution of an ethylenically unsaturated polymerizable monomer, an initiator, and a polymeric stabilizer, wherein the polymeric stabilizer consists of repetitive units, wherein the repetitive units comprise latent vinylsulfonyl moiety, polymerizing the homogeneous solution, and converting the latent vinylsulfonyl moiety to vinylsulfonyl moieties.

Stabilized polymer beads and method of preparation

An element for the attachment of protein arrays, the element comprising a surface to which are attached a plurality of piperazine functional groups wherein the piperazine functional groups are represented by Formula I: where

Element for protein microarrays

The present invention relates to a polymer microsphere comprising at least one polymer and at least one bound latent colorant, wherein the microsphere is stabilized by at least one stabilizing polymer. The invention also includes a method of preparing polymer microspheres comprising combining latent colorant, ethylenically unsaturated monomer, stabilizing polymer, and an initiator in solvent and initiating polymerization to form a polymeric microsphere stabilized by a stabilizing polymer bound to the surface of the polymeric microsphere.

Polymer microspheres containing latent colorants and method of preparation

A method of making a microarray comprising the steps of:

Random array of microspheres

The present invention relates to a method of particle separation comprising preparing a suspension of particles containing at least one recognizable target particle in a suspending solution, labeling the target particle with a conjugate marker, wherein the conjugate marker comprises at least one recognition unit for the recognizable target particle and at least one peroxidase enzyme, contacting a gelatin surface with the suspending solution, adding developer to the suspending solution in contact with the gelatin surface and in the presence of phenol to attach the target particle to the gelatin surface, and washing the gelatin surface to remove unattached particles. The method may also include detecting the presence of the target particle on the gelatin surface as well as detaching and recovering the attached particles after removal of the non-target particles.

Method and system for sorting and separating particles

A method of making a microarray comprising the steps of:&#x2014;providing a support;&#x2014;coating on the support a fluid composition containing microspheres and gelatin;&#x2014;immobilizing the microspheres in the gelatin coating;&#x2014;partially digesting the gelatin with an enzyme to expose surfaces of the microspheres; and&#x2014;removing the enzyme and digested gelatin from the coating.

Method of making random array of microspheres using enzyme digestion

A method of identifying nucleic acid samples comprising: providing a mircoarray including a substrate coated with a composition including a population of micro-spheres dispersed in a fluid containing a gelling agent or a precursor to a gelling agent and immobilized at random positions on the substrate, at least one sub-population of said population micro-spheres containing an optical barcode generated from at least one colorant associated with the micro-spheres and including a nucleic acid probe sequence; contacting said array with a target nucleic acid sequence; and detecting the color barcode of said sub-population of micro-spheres due to the interaction of said probe nucleic acid sequence and said target nucleic acid sequence.

Random array of micro-spheres for the analysis of nucleic acids

A method of identifying nucleic acid samples comprising: providing a mircoarray including a substrate coated with a composition including a population of nucleic acid probe modified micro-spheres immobilized in a coating containing a gelling agent or a precursor to a gelling agent, wherein a first portion of the micro-spheres is submerged in the gelatin coating and a second portion is exposed above the gelatin coating and is substantially free of gelatin, at least one sub-population of the population micro-spheres containing an optical barcode generated from at least one colorant associated with the micro-spheres and including a nucleic acid probe sequence; contacting the array with a target nucleic acid sequence; and detecting the color barcode of the sub-population of micro-spheres due to the interaction of the probe nucleic acid sequence and the fluorescently/chemiluminescently labeled nucleic acid sample target nucleic acid sequence.

Random array of micro-spheres for the analysis of nucleic acid using enzyme digestion

Growing community of inventors

Webster, NY, United States of America

Tiecheng A Qiao