摘要:
A method for detecting a gas phase constituent such as carbon monoxide, nitrogen dioxide, hydrogen, or hydrocarbons in a gas comprising oxygen such as air, includes providing a sensing material or film having a metal embedded in a catalytically active matrix such as gold embedded in a yttria stabilized zirconia (YSZ) matrix. The method may include annealing the sensing material at about 900° C., exposing the sensing material and gas to a temperature above 400° C., projecting light onto the sensing material, and detecting a change in the absorption spectrum of the sensing material due to the exposure of the sensing material to the gas in air at the temperature which causes a chemical reaction in the sensing material compared to the absorption spectrum of the sensing material in the absence of the gas. Systems employing such a method are also disclosed.
摘要:
The present invention is directed to an isolated peptide that functionally mimics a binding site for a monoclonal antibody, the monoclonal antibody recognizing an epitope within the human platelet glycoprotein Ib/IX complex. This peptide is called a mimotope. The invention also provides an isolated molecule capable of binding to the peptide, or the mimotope, which molecule can be an antibody, a second peptide, a carbohydrate, a DNA molecule, an RNA molecule, or other naturally or chemically synthesized molecules. This isolated molecule is called an anti-mimotope. Mimotopes mimicking the binding site for monoclonal antibody C-34 and SZ-2, as well as anti-mimotopes to the C-34 mimotopes, are specifically provided.
摘要:
Methods for forming hydrogen sensing materials include forming a palladium alloy thin film having less than about 83 atomic percent of palladium, and annealing the palladium alloy thin film to relieve residual stress and increase atomic intermixing of the nanorystaline lattice, while maintaining a grain size close to the grain size of the nonannealed palladium alloy thin film. For example, the sensing material may include a palladium-gold alloy thin film having about 60 atomic percent of palladium and about 40 atomic percent of gold. The palladium-gold alloy thin film is then annealed at a temperature of about 200 degrees Celsius for 1 hour. Methods for detecting hydrogen containing gas in which the hydrogen sensing material is maintained in a single phase when exposed to the hydrogen containing gas, and optical hydrogen sensors are also disclosed.
摘要:
Compositions useful for reconstitution of concentrated formulations containing protein/peptide pharmaceuticals are provided. The composition generally includes one or more lipids, as well as one or more alcohols that promote and stabilize the formation of (a) lipid molecular assemblies with greater protein encapsulation; (b) protein-lipid complexes and (c) protein and lipid solutions. The reconstitution medium improves the protein-lipid association that in turn alters the pharmaceutical properties.
摘要:
A differential microphone having a perimeter slit formed around the microphone diaphragm that replaces the backside hole previously required in conventional silicon, micromachined microphones. The differential microphone is formed using silicon fabrication techniques applied only wafer. The backside holes of prior art microphones typically require that a secondary machining operation be performed on the rear surface of the silicon wafer during fabrication. This secondary operation adds complexity and cost to the micromachined microphones so fabricated. Comb fingers forming a portion of a capacitive arrangement may be fabricated as part of the differential microphone diaphragm.
摘要:
A method of measuring local and propagating pulsatile behavior of a vasculature system provides a way to non-invasively measure vascular dynamics and, in particular, allows for objective measurement of the propagating expansion-contraction waves. The method includes capturing a time-series of optical images, and analyzing the images to produce a time-series of vector field maps based on measurements of local displacement of hemoglobin contrast. The method further includes obtaining a resulting time-dependent tensor field image and analyzing the resulting time-dependent tensor field image to obtain metrics of local and propagating oscillatory behavior.
摘要:
Processing of genomic data is facilitated by providing a storage device with a database having a segmented sequence table. The table has a plurality of data subsets of common nucleotide sequence size n, wherein≧2, and each data subset of common nucleotide sequence n is separately indexed within the table. A database manager associated with the database retrieves a selected nucleotide sequence locus from the table. The selected nucleotide sequence locus is sized differently from the common nucleotide sequence size n, and the retrieving includes identifying each data subset of the segmented sequence table containing at least a portion of the selected nucleotide sequence locus, and retrieving the identified data subsets. The database manager processes the retrieved, identified data subsets to remove genomic data mapped to the nucleotide positions outside the selected nucleotide sequence locus, and outputs the selected nucleotide sequence locus.
摘要:
Different applications for multiple imaging technologies are provided to advance patient care. In one aspect, a 3-D imaging device is used to identify the location of target region in a patient, such as a tumor or aneurysm, for instance. The location information is then used to control a device used in performing a surgical or other intervention, further imaging or a diagnostic or therapeutic procedure (920). The device can operate fully automatically, as a robot, or can assist a manual procedure performed by a physician. In another aspect, the invention provides a technique for obtaining an improved image of the vasculature in a patient (1020). In another aspect, images from multiple imaging technologies are combined or fused (1120) to achieve synergistic benefits.
摘要:
The present invention provides substituted phenanthroline compounds with high two photon absorption cross sections, as well as substituted phenanthroline compounds which additionally have quenched fluorescence emission upon two photon absorption.