Patent • #6,771,083. A new class of highly sensitive piezoconductive strain sensor elements and sensors has been invented. The new elements function under conditions such that electrical conductivity is dominated by Poole-Frenkel transport. A substantial piezoconductive effect appears in this regime, allowing the new sensors to exhibit sensitivity to applied strain as...
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Porous materials via freeze-casting of metal salt solutions
Patent • #10,086,431. Disclosed here is a method for making a nanoporous material, comprising aerosolizing a solution comprising at least one metal salt and at least one solvent to obtain an aerosol, freezing the aerosol to obtain a frozen aerosol, and drying the frozen aerosol to obtain a nanoporous metal compound material....
Porous metals from sintering of nanoparticles
Patent • #9,981,313. A method including encapsulating or capping metallic nanoparticles by a dendrimer or a polymer with binding sites for metal particless or metal ions dispersed in a fluid; modifying the fluid to disrupt the interaction of the dendrimer or polymer with the particles; and subsequently or concomitantly sintering or partially...
Porous nanoparticle supported lipid bilayer nanostructures
Patent • #8,734,816. Various exemplary embodiments provide protocell nanostructures and methods for constructing and using the protocell nanostructures. In one embodiment, the protocell nanostructures can include a core-shell structure including a porous particle core surrounded by a shell of lipid bilayer(s). The protocell can be internalized in a bioactive cell. Various cargo...
Porous nanoparticle-supported lipid bilayers (protocells) for targeted delivery and methods of using same
Patent • #10,022,327. The present invention is directed to protocells for specific targeting of hepatocellular and other cancer cells which comprise a nanoporous silica core with a supported lipid bilayer; at least one agent which facilitates cancer cell death (such as a traditional small molecule, a macromolecular cargo (e.g. siRNA or a...
Porous nanoparticle-supported lipid bilayers (protocells) for targeted delivery and methods of using same
Patent • #9,579,283. The present invention is directed to protocells for specific targeting of hepatocellular and other cancer cells which comprise a nanoporous silica core with a supported lipid bilayer; at least one agent which facilitates cancer cell death (such as a traditional small molecule, a macromolecular cargo (e.g. siRNA or a...
POROUS NUCLEAR FUEL ELEMENT WITH INTERNAL SKELETON FOR HIGH-TEMPERATURE GAS-COOLED NUCLEAR REACTORS
Patent • #8,526,566. Porous nuclear fuel elements for use in advanced high temperature gas-cooled nuclear reactors (HTGR s), and to processes for fabricating them. Advanced uranium bi-carbide, uranium tri-carbide and uranium carbonitride nuclear fuels can be used. These fuels have high melting temperatures, high thermal conductivity, and high resistance to erosion by...
Porous polymer media
Patent • #6,472,443. Highly crosslinked monolithic porous polymer materials for chromatographic applications. By using solvent compositions that provide not only for polymerization of acrylate monomers in such a fashion that a porous polymer network is formed prior to phase separation but also for exchanging the polymerization solvent for a running buffer using...
Porphyrin coordination polymer nanospheres and nanorods
Patent • #8,324,342. A porphyrin coordination polymer nanostructure comprising a network of pyridyl porphyrin molecules and coordinating metal ions coordinatively bound through the pyridyl groups. In some embodiments, the porphyrins are metalloporphyrins. A variety of nanostructures are formed by the network polymer, including nanospheres, polygonal nanostructures, nanorods, and nanofibers, depending on a...
Porphyrin coordination polymer nanospheres and nanorods
Patent • #8,530,614. A porphyrin coordination polymer nanostructure comprising a network of pyridyl porphyrin molecules and coordinating metal ions coordinatively bound through the pyridyl groups. In some embodiments, the porphyrins are metalloporphyrins. A variety of nanostructures are formed by the network polymer, including nanospheres, polygonal nanostructures, nanorods, and nanofibers, depending on a...
Portable apparatus for separating sample and detecting target analytes
Patent • #7,452,507. Portable devices and methods for determining the presence of a target analyte using a portable device are provided. The portable device is preferably hand-held. A sample is injected to the portable device. A microfluidic separation is performed within the portable device and at least one separated component detected by...
Portable dual field gradient force multichannel flow cytometer device with a dual wavelength low noise detection scheme
Patent • #8,293,089. Systems and methods for combining dielectrophoresis, magnetic forces, and hydrodynamic forces to manipulate particles in channels formed on top of an electrode substrate are discussed. A magnet placed in contact under the electrode substrate while particles are flowing within the channel above the electrode substrate allows these three forces...
Portable Gas Leak Detection System
Featured Opportunity • Sandia National Laboratories has developed imaging systems for the detection, quantification and monitoring of gaseous leaks. Using the backscatter absorption gas imaging (BAGI) technique, these devices can remotely produce real-time video images of gases invisible to the human eye. This simplifies the leak-detection process and allows a broad area to...
Portable modular detection system
Patent • #7,602,307. Disclosed herein are portable and modular detection devices and systems for detecting electromagnetic radiation, such as fluorescence, from an analyte which comprises at least one optical element removably attached to at least one alignment rail. Also disclosed are modular detection devices and systems having an integrated lock-in amplifier and...
Portable outgas detection apparatus
Patent • #6,734,422. A portable device for detecting surface outgas contaminants of an article includes: (i) a portable housing that has a chamber which is in communication with a port that is adapted to be sealably attached to a surface of the article; (ii) a mass spectrometer that is coupled to the...
Portable positional scanning lane
Patent • #11827498. A positional lane scanner and method therefor includes a positional lane cargo scanning structure having a first frame portion, a second frame portion, and a top frame portion connected to define a passage lane for a cargo vessel. The first and second frame portions are located on opposite sides...
Portable vapor diffusion coefficient meter
Patent • #7,229,593. An apparatus for measuring the effective vapor diffusion coefficient of a test vapor diffusing through a sample of porous media contained within a test chamber. A chemical sensor measures the time-varying concentration of vapor that has diffused a known distance through the porous media. A data processor contained within...
Powder dispersion system
Patent • #8,020,726. A powder dispersion method and apparatus comprising an air eductor and a powder dispensing syringe inserted into a suction connection of the air eductor.
Powder Dispersion System
Featured Opportunity • A powder dispersion system that outputs up to 60 grams per syringe and achieves dispersion rates of at least 170 mg per minute Research and development settings sometimes require large-scale powder dispersion for experimental purposes. The best existing commercially available aerosol powder dispersion devices are small-scale powder disperser, fluidized bed...
Power meter ratio method of stabilizing a resonant modulator
Patent • #9,467,233. Methods and systems for stabilizing a resonant modulator include receiving pre-modulation and post-modulation portions of a carrier signal, determining the average power from these portions, comparing an average input power to the average output power, and operating a heater coupled to the modulator based on the comparison. One system...
Power packet networks for wave energy converter arrays
Patent • #11725622. One of the biggest challenges for all renewable energy sources (RES) is that they are variable power generators which will require reactive power or energy storage systems (ESS) to provide reliable power quality (ideally power factor of one) at the power grid generation side. The present invention is directed...
Power selective optical filter devices and optical systems using same
Patent • #8,854,713. In an embodiment, a power selective optical filter device includes an input polarizer for selectively transmitting an input signal. The device includes a wave-plate structure positioned to receive the input signal, which includes at least one substantially zero-order, zero-wave plate. The zero-order, zero-wave plate is configured to alter a...
Power spectrum analysis for defect screening in integrated circuit devices
Patent • #9,188,622. A device sample is screened for defects using its power spectrum in response to a dynamic stimulus. The device sample receives a time-varying electrical signal. The power spectrum of the device sample is measured at one of the pins of the device sample. A defect in the device sample...
Power supply including a nonlinear transmission line that receives a single input pulse and outputs a plurality of pulses
Patent • #10,804,804. Technologies pertaining to a power supply that includes a nonlinear transmission line are described herein. In an embodiment, a DC power supply comprises a pulsing circuit that receives a DC input and outputs a first plurality of pulses having a first frequency to a nonlinear transmission line. The nonlinear...
Pre-processing SAR image stream to facilitate compression for transport on bandwidth-limited-link
Patent • #9,146,312. Pre-processing is applied to a raw VideoSAR (or similar near-video rate) product to transform the image frame sequence into a product that resembles more closely the type of product for which conventional video codecs are designed, while sufficiently maintaining utility and visual quality of the product delivered by the...
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