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Results 1276–1300 of 2,278

Microneedle arrays for biosensing and drug delivery
Patent • #9,737,247. Methods, structures, and systems are disclosed for biosensing and drug delivery techniques. In one aspect, a^ device for detecting an analyte and/or releasing a biochemical into a biological fluid can include an array of hollowed needles, in which each needle includes a protruded needle structure including an exterior wall...

Microneedle arrays for biosensing and drug delivery
Patent • #9,743,870. Methods, structures, and systems are disclosed for biosensing and drug delivery techniques. In one aspect, a device for detecting an analyte and/or releasing a biochemical into a biological fluid can include an array of hollowed needles, in which each needle includes a protruded needle structure including an exterior wall...

Microneedle arrays for biosensing and drug delivery
Patent • #10,136,846. Methods, structures, and systems are disclosed for biosensing and drug delivery techniques. In one aspect, a device for detecting an analyte and/or releasing a biochemical into a biological fluid can include an array of hollowed needles, in which each needle includes a protruded needle structure including an exterior wall...

Microneedle-based electrical impedance sensor to monitor plant water status in real time
Patent • #11,060,989. A sensor uses microneedle electrodes and multi-frequency electrical impedance spectroscopy to monitor plant water status in real time. The microneedle can be between 10 and 1000 microns in length, enabling precise placement in a variety of plant tissues. The impedance behavior can distinguish electrical properties and physiological functions of...

Microoptical system and fabrication method therefor
Patent • #6,867,435. Microoptical systems with clear aperture of about one millimeter or less are fabricated from a layer of photoresist using a lithographic process to define the optical elements. A deep X-ray source is typically used to expose the photoresist. Exposure and development of the photoresist layer can produce planar, cylindrical,...

Micropores and methods of making and using thereof
Patent • #8,585,916. Disclosed herein are methods of making micropores of a desired height and/or width between two isotropic wet etched features in a substrate which comprises single-level isotropic wet etching the two features using an etchant and a mask distance that is less than 2.times. a set etch depth. Also disclosed...

Micropores and methods of making and using thereof
Patent • #9,404,913. Disclosed herein are methods of making micropores of a desired height and/or width between two isotropic wet etched features in a substrate which comprises single-level isotropic wet etching the two features using an etchant and a mask distance that is less than 2.times. a set etch depth. Also disclosed...

Micropyrolyzer for chemical analysis of liquid and solid samples
Patent • #7,078,237. A micropyrolyzer has applications to pyrolysis, heated chemistry, and thermal desorption from liquid or solid samples. The micropyrolyzer can be fabricated from semiconductor materials and metals using standard integrated circuit technologies. The micropyrolyzer enables very small volume samples of less than 3 microliters and high sample heating rates of...

Microresonator electrode design
Patent • #9,337,800. A microresonator with an input electrode and an output electrode patterned thereon is described. The input electrode includes a series of stubs that are configured to isolate acoustic waves, such that the waves are not reflected into the microresonator. Such design results in reduction of spurious modes corresponding to...

Microresonator electrode design
Patent • #9,337,800. A microresonator with an input electrode and an output electrode patterned thereon is described. The input electrode includes a series of stubs that are configured to isolate acoustic waves, such that the waves are not reflected into the microresonator. Such design results in reduction of spurious modes corresponding to...

Microsampler and method of making the same
Patent • #10,161,835. An aspect of the present disclosure relates to a microsampler for hermetically sealing a sample. In particular, such microsamplers can be useful for encapsulation of chemical, biological, and explosive samples for the purposes of archival sample storage. Methods of making and using such microsamplers are also described herein.

Microscale autonomous sensor and communications module
Patent • #8,680,810. Various technologies pertaining to a microscale autonomous sensor and communications module are described herein. Such a module includes a sensor that generates a sensor signal that is indicative of an environmental parameter. An integrated circuit receives the sensor signal and generates an output signal based at least in part...

Microscale Immune and Cell Analysis (MICA)
Featured Opportunity • Researchers at Sandia National Laboratories have created a sophisticated, integrated platform for single-cell manipulation and interrogation. Called Microscale Immune and Cell Analysis (MICA), this platform represents a revolutionary breakthrough in biological research. MICA offers experimenters the ability to understand cell behavior at the molecular and cellular levels with unprec­edented speed,...

Microsphere Templated Gallium Nitride Growth and Liftoff
Featured Opportunity • The LED market is one of the fastest growing markets worldwide, driven by demand for clean solid state lighting, LED displays and mobile devices. GaN-based materials are essential components of these technologies. Due to the very high cost and lack of availability of bulk GaN substrates, current GaN production methods...

Microstructured silicon radiation detector
Patent • #9,595,628. A radiation detector comprises a silicon body in which are defined vertical pores filled with a converter material and situated within silicon depletion regions. One or more charge-collection electrodes are arranged to collect current generated when secondary particles enter the silicon body through walls of the pores. The pores...

Microsystem enabled photovoltaic modules and systems
Patent • #9,029,681. A microsystem enabled photovoltaic (MEPV) module including: an absorber layer; a fixed optic layer coupled to the absorber layer; a translatable optic layer; a translation stage coupled between the fixed and translatable optic layers; and a motion processor electrically coupled to the translation stage to controls motion of the...

Microsystem enabled photovoltaic modules and systems
Patent • #9,761,748. A photovoltaic (PV) module includes an absorber layer coupled to an optic layer. The absorber layer includes an array of PV elements. The optic layer includes a close-packed array of Keplerian telescope elements, each corresponding to one of an array of pupil elements. The Keplerian telescope substantially couple radiation...

Microsystems Enabled Photovoltaics (MEPV)
Featured Opportunity • Revolutionary micro-solar technology utilizes glitter-sized photovoltaic cells to change how we generate and use solar power. The significantly reduced size and 100 times less silicon used, allows for increased versatility of photovoltaic applications. Traditional solar cells are 6” square wafers which restricts location, performance, and manufacturing. Other unique factors to...

Microvalve
Patent • #6,918,573. A high pressure microvalve for connecting a first fluid-bearing conduit to a second fluid-bearing conduit is provided. The microvalve includes (a) a first body having a first interior surface and at least one port outlet at the first interior surface that is in fluid communication with at least one...

Mid-infrared tunable metamaterials
Patent • #9,018,642. A mid-infrared tunable metamaterial comprises an array of resonators on a semiconductor substrate having a large dependence of dielectric function on carrier concentration and a semiconductor plasma resonance that lies below the operating range, such as indium antimonide. Voltage biasing of the substrate generates a resonance shift in the...

Mid-infrared tunable metamaterials
Patent • #9,705,311. A mid-infrared tunable metamaterial comprises an array of resonators on a semiconductor substrate having a large dependence of dielectric function on carrier concentration and a semiconductor plasma resonance that lies below the operating range, such as indium antimonide. Voltage biasing of the substrate generates a resonance shift in the...

MILES hand grenade
Patent • #6,965,542. A simulated grenade for MILES-type simulations generates a unique RF signal and a unique audio signal. A detector utilizes the time between receipt of the RF signal and the slower-traveling audio signal to determine the distance between the detector and the simulated grenade.

Miniature Acoustic Wave Lysis System (mALS)
Featured Opportunity • Gaining timely and efficient access to target biomolecules through cellular lysis is a critical step in bioscience research and development. Researchers at Sandia National Laboratories developed a miniature acoustic lysis system (mALS) that uses high-frequency acoustic waves to rapidly disrupt cellular membranes for the release and extraction of DNA, RNA,...

Miniature acoustic wave lysis system and uses thereof
Patent • #9,512,421. The present invention relates to an acoustic lysis system including a disposable cartridge that can be reversibly coupled to a platform having a small, high-frequency piezoelectric transducer array. In particular, the system releases viable DNA, RNA, and proteins from human or bacterial cells, without chemicals or additional processing, to...
Results 1276–1300 of 2,278