| Patent application number | Description | Published |
|---|
| 20090068820 | Microspheres including nanoparticles - A microparticle can include a central region and a peripheral region. The peripheral region can include a nanoparticle, such as a metal nanoparticle, a metal oxide nanoparticle, or a semiconductor nanocrystal. The microparticle can be a member of a monodisperse population of particles. | 03-12-2009 |
| 20090215209 | Methods of depositing material, methods of making a device, and systems and articles for use in depositing material - Methods for depositing material and/or nanomaterial are disclosed. Also disclosed are methods of making devices including nanomaterials, systems useful for depositing materials and/or nanomaterials, surface treated articles for depositing material and/or nanomaterial onto a substrate, and surface treated transfer surfaces. | 08-27-2009 |
| 20090221088 | Fluorescent Sensor and Methods - Binding an analyte can cause a change in fluorescence emission of a sensor. The change in fluorescence can be related to the amount of analyte present. The sensor can include a semiconductor nanocrystal linked to a fluorescent moiety. Upon excitation, the fluorescent moiety can transfer energy to the semiconductor nanocrystal, or vice versa. | 09-03-2009 |
| 20090253224 | Nanocrystal structures - A structure including a grating and a semiconductor nanocrystal layer on the grating, can be a laser. The semiconductor nanocrystal layer can include a plurality of semiconductor nanocrystals including a Group II-VI compound, the nanocrystals being distributed in a metal oxide matrix. The grating can have a periodicity from 200 nm to 500 nm. | 10-08-2009 |
| 20090299196 | System and Method for Large Field of View, Single Cell Analysis - A method and system for medical imaging employs an excitation source configured to cause an object having a plurality of cells to at least one of emit, reflect, and fluoresce light. An optical receptor is employed that is configured to receive the light from the object. A filter assembly receives the light from the optical receptor and filters the light. An image processor having a field of view (FOV) substantially greater than a diameter of a cell of the object and an analysis resolution substantially matched to the diameter of a cell of the object that receives the filtered light from the filter and analyzes the filtered light corresponding to each cell in the FOV. A feedback system is provided that is configured to provide an indication of a state of each cell in the FOV and a location of a cell in the FOV meeting a predetermined condition. | 12-03-2009 |
| 20090301564 | Semiconductor nanocrystals heterostructures - A semiconductor nanocrystal heterostructure has a core of a first semiconductor material surrounded by an overcoating of a second semiconductor material. Upon excitation, one carrier can be substantially confined to the core and the other carrier can be substantially confined to the overcoating. | 12-10-2009 |
| 20090320909 | Electro-optical device - An electro-optical device can include a plurality of semiconductor nanocrystals. In some circumstances, the device can omit an electron transporting layer. | 12-31-2009 |
| 20100001256 | White light emitting devices - A white light emitting semiconductor nanocrystal includes a plurality of semiconductor nanocrystals. | 01-07-2010 |
| 20100014799 | Optical structures including nanocrystals - An optical structure can include a nanocrystal on a surface of an optical waveguide in a manner to couple the nanocrystal to the optical field of light propagating through the optical waveguide to generate an emission from the nanocrystal. | 01-21-2010 |
| 20100148152 | ELECTRICALLY CONTROLLED CATALYTIC NANOWIRE GROWTH - A population of nanowires can be prepared by a method involving electric field catalyzed growth and alteration based on surface charge density. | 06-17-2010 |
| 20100303119 | Microfluidic Lasers - The present invention generally relates to lasers comprising fluidic channels, such as microfluidic channels. In some instances, the channel contains two or more fluids. The fluids may remain non-mixed within the channel, for example, due to immiscibility and/or laminar flow within the channel. The fluids may be arranged in the channel such that light propagating in a first fluid is prevented by the second fluid from exiting the first fluid, for example, due to differences in the indexes of refraction (e.g., causing internal reflection of the fluid to occur). Thus, in one embodiment, a first fluid may be at least partially surrounded by a second fluid having a second index of refraction lower than the index of refraction of the first fluid. In some embodiments, the fluidic channel is used as a laser, for instance, a dye laser, i.e., a laser created by directing light at a dye to produce coherent light. The dye may be present in one or more fluids within the fluidic channel. The incident light (for example, created by another laser) may be directed at the channel from any angle. In some cases, laser light may be produced in a direction substantially aligned with the longitudinal axis of the channel. In some embodiments, the laser is free of mirrors, prisms, or gratings, or the laser may produce coherent light using a non-resonant photonic pathway. However, in other cases, mirrors, prisms, or gratings may be used to reflect light along the channel to enhance stimulated emission of coherent light. Another aspect of the invention includes optical diffractors, such as prisms or gratings, which can contain a fluid. The optical diffractors, in certain embodiments, are positioned to diffract light, such as coherent light, emanating from the fluidic channel. Still other aspects of the invention provide devices, kits, and methods of making and using such lasers. | 12-02-2010 |
| 20100308275 | Inorganic particle conjugates - The ionic conjugates include an inorganic particle electrostatically associated with a macromolecule which can interact specifically with predetermined chemical species or biological targets. | 12-09-2010 |
| 20110012061 | Semiconductor nanocrystal heterostructures - A semiconductor nanocrystal heterostructure has a core of a first semiconductor material surrounded by an overcoating of a second semiconductor material. Upon excitation, one carrier can be substantially confined to the core and the other carrier can be substantially confined to the overcoating. | 01-20-2011 |
| 20110012087 | SEMICONDUCTOR NANOCRYSTALS - A semiconductor nanocrystal include a first I-III-VI semiconductor material and have a luminescence quantum yield of at least 10%, at least 20%, or at least 30%. The nanocrystal can be substantially free of toxic elements. Populations of the nanocrystals can have an emission FWHM of no greater than 0.35 eV. | 01-20-2011 |
| 20110021908 | METHODS AND SYSTEMS FOR SPATIALLY IDENTIFYING ABNORMAL CELLS - The present invention provides compositions and methods for imaging tumor resections. | 01-27-2011 |
| 20110025224 | LIGHT EMITTING DEVICE INCLUDING SEMICONDUCTOR NANOCRYSTALS - A voltage driven light emitting device includes an electroluminescent material and semiconductor nanocrystals, luminescent organic small molecules, mixtures of emissive species molecules, or conductive polymers. The semiconductor nanocrystals, luminescent organic small molecules, mixtures of emissive species molecules, or conductive polymers emit light. The semiconductor nanocrystals, luminescent organic small molecules, mixtures of emissive species molecules, or conductive polymers can be doped to provide desired emission characteristics. Devices that share a substrate and emit more than one color may be conveniently made. | 02-03-2011 |
| 20110037029 | Copolymer-associated nanomaterial - A nanomaterial can include an outer layer including a ligand. The ligand can include a first monomer unit including a first moiety having affinity for a surface of the nanocrystal, a second monomer unit including a second moiety having a high water solubility, and a third monomer unit including a third moiety having a selectively reactive functional group or a selectively binding functional group. The ligand can be a random copolymer. | 02-17-2011 |
| 20110037846 | HIGH-RESOLUTION 3D IMAGING OF SINGLE SEMICONDUCTOR NANOCRYSTALS - A method of imaging microscopic objects includes determining the relative depths of two or more semiconductor nanocrystals by analyzing images of the semiconductor nanocrystals at varying z-displacements. | 02-17-2011 |
| 20110059467 | CONTROLLED MODIFICATION OF SEMICONDUCTOR NANOCRYSTALS - A controlled valency semiconductor nanocrystal can have a desired number of compounds associated with it. The semiconductor nanocrystal can have exactly one compound associated with it, and the compound can have exactly one binding site for an affinity target. The semiconductor nanocrystal can be used to image single copies of cell-surface proteins. | 03-10-2011 |
| 20110080090 | LIGHT EMITTING DEVICE INCLUDING SEMICONDUCTOR NANOCRYSTALS - A light emitting device including semiconductor nanocrystals can have a unipolar construction. The semiconductor nanocrystals emit light during device operation. The size and chemical composition of the semiconductor nanocrystals can be chosen to provide desired emission characteristics. Devices that share a substrate and emit more than one color may be conveniently made. | 04-07-2011 |
| 20110089375 | MICROSPHERES INCLUDING NANOPARTICLES - A microparticle can include a central region and a peripheral region. The peripheral region can include a nanoparticle, such as a metal nanoparticle, a metal oxide nanoparticle, or a semiconductor nanocrystal. The microparticle can be a member of a monodisperse population of particles. | 04-21-2011 |
| 20110101479 | PHOTOVOLTAIC DEVICE INCLUDING SEMICONDUCTOR NANOCRYSTALS - A photovoltaic device includes a semiconductor nanocrystal and a charge transporting layer that includes an inorganic material. The charge transporting layer can be a hole or electron transporting layer. The inorganic material can be an inorganic semiconductor. | 05-05-2011 |
| 20110104071 | METHODS AND SYSTEMS FOR SPATIALLY IDENTIFYING ABNORMAL CELLS - The present invention provides compositions and methods for imaging tumor resections. | 05-05-2011 |
| 20110127932 | Blue light emitting semiconductor nanocrystals and devices - A blue light emitting semiconductor nanocrystal having an quantum yield of greater than 20% can be incorporated in a light emitting device. | 06-02-2011 |
| 20110129420 | MATERIALS AND METHODS FOR BIOLOGICAL IMAGING - Water soluble InAs(ZnCdS) semiconductor nanocrystals with bright and stable emission in the near infrared (NIR) wavelength range have been prepared. The NIR semiconductor nanocrystals can be functionalized to enable imaging of specific cellular proteins. In addition, the utility of the NIR region for in vivo biological imaging is clearly demonstrated by the superior ability of InAs(ZnCdS) semiconductor nanocrystals to image tumor vasculature. | 06-02-2011 |
