186 results about "Chemical interaction" patented technology

Methods are disclosed for coating at least a portion of a hydrophobic surface, including the surfaces of plastics or other polymers. Such methods include the use of a first coating layer and/or region that interacts with the hydrophobic surface, although the formation of a chemical bond between the first coating layer and the hydrophobic surface is not required. Subsequent layers may then interact chemically or non-chemically with at least a portion of the first coating layer and/or region. Such coated surfaces may be part of a device or apparatus, including microfluidic devices.

Disclosed is a flexible insert (100) for placement on the human eye, comprising a light source (110) in said insert such that light emitted from the light source is shielded from the human eye upon correct placement of the insert on the human eye, a light-responsive material (120) placed in the light path of the light source, said light-responsive material emitting light upon stimulation by the light from said light source, the intensity of said stimulated emission being sensitive to a chemical interaction of the light-sensitive material with an analyte of interest, a photodetector (130) for detecting the light emitted by the light-responsive material; and a transmitter (140) coupled to the photodetector for transmitting a photodetector reading. The insert may be used in conjunction with a reader for automated monitoring of an analyte of interest such as glucose in the tear fluid of its wearer.

Methods and devices are provided for absorber layers formed on foil substrate. In one embodiment, a method of manufacturing photovoltaic devices may be comprised of providing a substrate comprising of at least one electrically conductive aluminum foil substrate, at least one electrically conductive diffusion barrier layer, and at least one electrically conductive electrode layer above the diffusion barrier layer. The diffusion barrier layer may prevent chemical interaction between the aluminum foil substrate and the electrode layer. An absorber layer may be formed on the substrate. In one embodiment, the absorber layer may be a non-silicon absorber layer. In another embodiment, the absorber layer may be an amorphous silicon (doped or undoped) absorber layer. Optionally, the absorber layer may be based on organic and/or inorganic materials.

A monolithic device for transdermal administration of an active pharmaceutical ingredient which is selected from propargylamines and rivastigmine and is liquid at 25° C., has an adhesive matrix layer which includes the active ingredient in an acrylic polymer pressure sensitive adhesive without cross-linker agent containing a metal atom, the adhesive having a shear value of between 1.5 and 15 hours, and further includes a non-volatile coadjuvant selected from squalene and triethylcitrate present in the layer in an amount of 1 to 15 wt %. The combination provides good release of the drug in use, reduces loss of the drug during a drying step in manufacture, reduces chemical interaction of the layer with the drug and achieves low level of skin irritation.

A molecular analysis device comprises a molecule sensor and a nanopore that passes through, partially through, or substantially near the molecule sensor. The molecule sensor may comprise a single electron transistor including a first terminal, a second terminal, and a nanogap or at least one quantum dot positioned between the first terminal and the second terminal. The molecular sensor may also comprise a nanowire that operably couples a first and a second terminal. A nitrogenous material that may be disposed on at least part of the molecule sensor is configured for a chemical interaction with an identifiable configuration of a molecule. The molecule sensor develops an electronic effect responsive to a molecule or responsive to a chemical interaction.

Various methods of using Raman-active or SERS-active probe constructs to detect analytes in biological samples, such as the protein-containing analytes in a body fluid are provided. The probe moieties in the Raman-active constructs are selected to bind to and identify specific known analytes in the biological sample or the probe moieties are designed to chemically interact with functional groups commonly found in certain amino acids so that the invention methods provide information about the amino acid composition of protein-containing analytes or fragments in the samples. In some cases, the Raman-active or SERS-active probe constructs, when used in the invention methods, can identify particular protein-containing analytes or types of such analytes so that a protein profile of a patient sample can be made. When compared to a data base of Raman or SERS spectra of normal samples, a disease state of a patient can be identified using the methods disclosed.

The invention is an apparatus and methods for optimizing the performance and protecting one or more aerosol generating transducers from deterioration while operating in a chemically reactive aqueous solution by utilizing one or more protective barrier techniques to eliminate chemical interaction between the aqueous solution and the transducers, among other features of the generator including these transducers. The method of the present invention produces an aerosol producing transducer with the transducer housing and assembly to be constructed in such a way as to assure its efficient and effective long-term and problem free operation in an aqueous solution that is chemically reactive.

Exemplary embodiments of the invention to provide an efficient and productive method to form a reliable film. A method to form a film according to exemplary embodiments of the present invention, in which a transferring layer formed on a substrate is transferred to a workpiece to form a predetermined film on the workpiece, includes treating a surface of the workpiece to enhance or improve the adhesion between the transferring layer and the workpiece by chemical interaction.

A reflective optical element exhibits an increase in the maximum reflectivity at operating wavelengths in the extreme ultraviolet or soft x-ray wavelength range. A first additional intermediate layer (23a, 23b) and a second additional intermediate layer (24a, 24b) are provided between the absorber layer (22) and the spacer layer (21), wherein the first additional intermediate layer increases the reflectivity and the second additional intermediate layer (24a,b) prevents chemical interaction between the first additional intermediate layer (23a,b) and the adjoining spacer layer (21) and/or the absorber layer (22).

A storage container for storing inkjet cartridges, when removed from the carriage of a printer, having a capping housing for holding one or more caps, associated with each cartridge, for capping the printhead of the cartridge, wherein the caps are easily removable from the storage container by a user. The provision of manually removable cap allows the cap of a storage container to be matched to a particular cartridge having a specific printhead, ink formulation and lifetime. This ensures the efficacy of the cartridge is maintained during storage and prevents contamination of one cartridge by ink residue that may be left on a cap by another cartridge, which can damage the printhead due to chemical interaction between the different ink formulations.

A lubricant composition is disclosed that comprises: (a) a lubricant and (b) at least one molybdenum-containing compound in the form of surface-capped nanosized particles of the general formula: (Z)_n(X—R)_m wherein Z is an inorganic moiety comprising molybdenum and sulfur in the form of particles having dimensions in the range of from about 1 to about 100 nm; (X—R) is a surface-capping reagent wherein R is a C₄ to C₂₀ straight or branched-chain alkyl or alkylated cycloalkyl radical or radicals and X is a functional group capable of specific sorption and/or chemical interaction with molybdenum/sulfur moiety; n is the number of molecules of Z in the particles; m is an integer representing the amount of surface-capping reagents relative to a single particle; and the ratio of m to n is in the range of from about 1:1 to about 10:1.

The invention is an apparatus and methods for optimizing the performance and protecting one or more aerosol generating transducers from deterioration while operating in a chemically reactive aqueous solution by utilizing one or more protective barrier techniques to eliminate chemical interaction between the aqueous solution and the transducers, among other features of the generator including these transducers. The method of the present invention produces an aerosol producing transducer with the transducer housing and assembly to be constructed in such a way as to assure its efficient and effective long-term and problem free operation in an aqueous solution that is chemically reactive.

The present invention provides a manufacturing method of three-dimensional cross-linked foam for uppers of shoes, comprising: preparing a plurality of foaming materials in a planar or three-dimensional shape with a cross-linked foaming suppressed; forming at least one interfacing pattern on at least one foaming material to prevent physical and chemical interactions between the foaming materials, the interfacing pattern formed of at least one interfacing material; cross-linked foaming of the foaming material having the interfacing pattern thereon to obtain a cross-linked foam in a planar shape, the cross-linked foam having at least one inner cavity structure therein; and vacuum molding the planar cross-linked foam in a vacuum molding die to obtain a cross-linked foam having a shape corresponding to a last, the planar cross-linked foam disposed in a cavity of the vacuum molding die, the cavity having a shape corresponding to the last.

A photo-thermal interferometric spectroscopy system is disclosed that provides information about a chemical at a remote location. A first light source assembly is included that emits a first beam. The first beam has one or more wavelengths that interact with the chemical and change a refractive index of the chemical. A second laser produces a second beam. The second beam interacts with the chemical resulting in a third beam with a phase change that corresponds with the change of the refractive index of the chemical. A detector system is positioned remote from the chemical to receive at least a portion of the third beam. An adaptive optics system at least partially compensates the light beam degradation caused by atmospheric turbulence. A focusing system is used to bring together the light passed through the chemical; the focusing system includes a multimode fiber for the light collection, The detector system provides information on a phase change in the third beam relative to the second beam that is indicative of at least one of, absorption spectrum and concentration of the chemical.

A fire suppression system usable in an aircraft cabin comprising a portable flight case with a dual shell, linings, valves, indicators, agency/industry-approved fire extinguishers and such. The case is able to be retrieved from storage for easy hand carriage in an aircraft/cabin for rapid deployment to any location inside it wherein a fire caused by batteries such as a Lithium Ion battery used in Personal Electronic Devices (PED) has erupted and to be able to enclose the PED fire inside the unit, and discharge into the unit, the fire extinguisher through ports such that the infused extinguishing medium would rapidly envelop the PED on fire inside the flight case while simultaneously allowing the egress of the initial smoke into containing flexible bags and equalizing the displaced volume being replaced by the extinguishing medium thus maintaining a pressurized environment, to chemically interact with and suppress the fire.

The invention is an apparatus and methods for optimizing the performance and protecting one or more aerosol generating transducers from deterioration while operating in a chemically reactive aqueous solution by utilizing one or more protective barrier techniques to eliminate chemical interaction between the aqueous solution and the transducers. The method of the present invention produces an aerosol producing transducer with the transducer housing and assembly to be constructed in such a way as to assure its efficient and effective long-term and problem free operation in an aqueous solution that is chemically reactive.

An apparatus for sensing an analyte gas is provided. The apparatus may include a signal amplifier that may include a thin film transistor that may include a semiconducting film that may include a metal oxide capable of chemical interaction with the analyte gas, such as carbon monoxide. The apparatus may be tuned for detecting the analyte gas by varying the gate voltage of the transistor.

Prior to housing the crucible in the bowl, a consumable buffer ply is applied over at least a portion of the inside face of the bowl, the ply being constituted essentially by a non-rigid carbon fiber fabric for protecting the bowl from both physical and chemical interactions with the crucible. The buffer ply is essentially constituted by a flexible fabric selected from: a woven cloth, a knit, a multidirectional sheet, and a thin felt. Prior to putting the ply into place in the bowl, it is possible to form a thin deposit of pyrolytic carbon on the fibers of the fabric.