We present a table-top apparatus for time-resolved x-ray absorption and emission spectroscopy consisting of a laser plasma x-ray source, a microcalorimeter array x-ray spectrometer, and an interaction region where samples of interest can be excited by ultraviolet/visible/infrared light pulses and...

A linear axis is a vital subsystem of machines used for manufacturing. Linear axes degrade during production, yet knowledge of degradation is currently non-existent until faults or failures occur that halt production. Accordingly, a method was developed that uses an inertial measurement unit (IMU)...

A new method to tailor the size and size distribution of nanometer scale liposomes and control loading of liposomes with a model drug in a continuous-flow microfluidic design in presented. Size and size dispension are determined with tandem Asymmetric Flow Field Flow Fractionation (AT4) and Multi-...

Disclosed is an apparatus and method for the mixing of two microfluidic channels wherein several wells are oriented diagonally across the width of a mixing channel. The device effectively mixes the confluent streams with electrokinetic flow, and to a lesser degree, with pressure driven flow. The...

Arrays of spin-valve elements that can be selectively activated to trap, hold, manipulate and release magnetically tagged biological and chemical particles, including molecules and polymers. The spin-valve elements that can be selectively activated and deactivated by applying a momentary applied...

A new method has been developed for estimating the thermal expansion of a measurement cable (metallic wire or ceramic fiber thread) that is placed in a high temperature environment with an unknown temperature profile and connected to a moving target. This method is to deploy a second measurement...

A new method has been developed for estimating the thermal expansion of an electrically conductive wire that is placed in a high temperature environment with an unknown temperature profile; i.e. a temperatme distribution that varies in location and time. The method is based on a simultaneous...

The invention is directed to optical devices comprising a solid-state structured glass substrate having at least one waveguide incorporated therein, particularly waveguides and lasers incorporating such structure. The invention is also directed to methods for modifying such devices and their...

This invention mitigates a problem that occurs during conventional transfer of nucleic acids into a biological cell: Nucleic acids outside cells, extracted from an organism or synthesized from oligonucleotides, are fragile and can be damaged by the shear forces that occur during fluid flow. These...

A terahertz generation system that emits pulsed THz radiation and incorporates a rapidly oscillating, high voltage bias across electrodes insulated from a photoconductive material. The system includes an ultrafast optical pulse source configured to generate an optical pulse having a duration...

The invention is a resonant piezoelectric device and associated methods for characterizing nanomechanical fluctuations of particles in fluid through acquisition of resonator phase-noise spectra. The device consists of (1) an acoustic thickness-shear piezoelectric resonator with one surface exposed...

The present disclosure describes a method and series of compositions for surface functionalization of nanoparticles that eliminate the possibility of ligand loss in alien environments. In particular, the present disclosure provides method and compositions for production of highly-stable surface-...

A method of characterizing glycans attached to glycoproteins is disclosed herein. The method comprises a first step of immobilizing the glycoproteins on colloidal particles forming glycoprotein/colloidal particles. The glycans on the glycoproteins may then be characterized, for example the...

A photonic probe for atomic force microscopy includes: a cantilever including: a tip; a wing in mechanical communication with the tip; an extension interposed between the tip and the wing to synchronously communicate motion of the tip with the wing; an optical resonator disposed proximate to the...

An oxygen sensor comprising an oxygen sensing compound and configured to substantially mitigate leaching of the oxygen sensing compound from the oxygen sensor to an outer surface thereof is provided. The oxygen sensor may comprise one or more layers. At first portion of the oxygen sensor is...

A high spectral purity microwave oscillator is provided. The Oscillator uses an air-dielectric cavity and employs the known carrier-suppression technique. In one embodiment, the oscillator employs a high-Q cavity to self-sustain an oscillating signal formed by feeding back into its input a power-...

An electron spin resonance spectrometer includes a bridge to transmit an excitation frequency and to receive a signal frequency; a probe electrically connected to the bridge and comprising: a first conductor in electrical communication with the bridge to transmit the signal frequency to the bridge...

A highly charged ion modified device is provided that includes a first metal layer or layers deposited on a substrate and an insulator layer, deposited on the first metal layer, including a plurality of holes therein produced by irradiation thereof with highly charged ions. The metal of a further...

Various plasmonic structures in the form of electrochromic optical switches are described which exhibit relatively high optical switching contrast. The switches generally include a collection of nanoslits formed in a thin electrically conductive film. An electrochromic material is disposed on the...

Two parallel gold surfaces are separated by a thin gap filled with a compliant dielectric, air or vacuum. The lateral extent (less than about 500nm) and the shape of the gap, form a plasmonic resonator with frequency sensitive to the gap change resulting from mechanical deformation. This nanoscale...

Topological insulators, such as single-crystal Bi2Se3 nanowires, can be used as the conduction channel in high-performance transistors, a basic circuit building block. Such transistors exhibit current-voltage characteristics superior to semiconductor nanowire transistors, including sharp turn-on,...

The invention disclosed herein is a novel Home Lift Position and Rehabilitation (HLPR) apparatus designed to provide stable movement along several critical axes of motion including lift capability. The HLPR apparatus is capable of moving along a desired floor path ("x-axis"), moving on a vertical...

Methods of fabricating micro- and nanostructures comprise top-down etching of lithographically patterned GaN layer to form an array of micro- or nanopillar structures, followed by selective growth of GaN shells over the pillar structures via selective epitaxy. Also provided are methods of forming...

A method and device are provided for affinity gradient focusing for directing at least one analyte in a solution containing a pseudostationary phase and located in a channel such as a capillary or a microchannel. The method includes establishing a steady-state spatial gradient in a retention factor...

Integrated photonics research and manufacturing requires a probe for in-line nondestructive optical testing of devices. Current optical probes require dedicated and large coupling areas in the photonic circuit, cannot provide sufficient control over the degree, location and direction of optical...

A magnetic piezoelectric composite adjusts magnetic anisotropy strength in a bimetallic member and includes: a piezoelectric layer to produce a strain in response to receipt of a strain voltage; and the bimetallic member disposed on the piezoelectric layer, the bimetallic member including: a...

An article to determine a sample condition includes a substrate; a reference optical cavity disposed on a substrate and comprising a reference cavity, the reference optical cavity being configured to support a reference optical resonsance and to maintain an axial length of the reference cavity; and...

A hybrid electron microscope includes: an electron source to emit an electron beam; a parabolic mirror including: a reflective surface; and an aperture to communicate the electron beam through the parabolic mirror; and a sample holder interposed between the electron source and the parabolic mirror...

An integral microfluidic device includes an alkali vapor cell and microfluidic channel, which can be used to detect magnetism for nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI). Small magnetic fields in the vicinity of the vapor cell can be measured by optically polarizing...

The primary function of a domestic refrigerating appliance is to maintain a low temperature within a cabinet. The desired set temperature is generally maintained by cycling the appliance's refrigeration system (compressor, fans, etc.) on and off. Automatic icemakers are commonly installed in low...