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Search Patents

Displaying 226 - 250 of 286

Duel Dielectropheretic Membrane for Monitoring Cell Migration

NIST Inventors
Darwin R. Reyes
A dual dielectropheretic article for monitoring cell migration includes: a membrane to selectively migrate a plurality of cells across the membrane, the membrane including: a first surface to receive the cells; a second surface opposed to the first surface; and a plurality of communication paths

Coinage Cladding Alloy and Processing for Making Coinage Cladding Alloy

NIST Inventors
Mark R. Stoudt and Carelyn E. Campbell
A coinage cladding alloy for coinage includes nickel present in an amount from 5 wt. % to 7 wt. %, based on a total weight of the coinage cladding alloy; zinc present in an amount from 21 wt. % to 29 wt. %, based on the total weight of the coinage cladding alloy; manganese present in an amount from

Precision Temperature Control for Nanopore Systems

This invention introduces a system for controlling the temperature of extremely small volumes, such as yoctoliter-sized spaces. It utilizes plasmonic nanostructures positioned near a nanopore, which heat up rapidly when exposed to laser light. This heating effect alters the ionic conductance along

Ambient Temperature Superionic Conducting Salt Including Metal Cation and Borate Anion or Carborate Anion and Process for Making Ambient Temperature Superionic Conducting Salt

NIST Inventors
Terrence J Udovic
A process for making a superionic conducting salt includes: combining a primary salt and an impact member, the primary salt including an ordered phase and being an ionic conductor; impacting the primary salt with the impact member; and converting the primary salt to the superionic conducting salt in
Image of an map view with the text "Natural gas extraction east of Platteville Colorado. DCS could monitor over 100 sites from central location. Overlapping fields could ensure complete coverage".

Hub and Spoke System for Detecting and Locating Gas Leaks

NIST Inventors
Greg Rieker , Ian Coddington , Kuldeep Prasad and Anna Karion
A system for detecting gas leaks and determining their location and size. A data gathering portion of the system utilizes a hub and spoke configuration to collect path-integrated spectroscopic data over multiple open paths around an area. A processing portion of the system applies a high-resolution
Clockwise from upper left: bolometer for optical fiber power measurement operates at 4K, bolometer for space-based measurement of solar spectral irradiance, operates at room temperature; bolometer for continuous wave, visible/near infrared laser power measurement, operates at room temperature; bolometer for fast far infrared power calibration, operates at 4K.

NIST Radiometer

NIST Inventors
John H. Lehman and Nathan A Tomlin
This advanced radiometer is composed of a substrate, a radiation absorber placed on the substrate to absorb radiation, a thermal component placed on the substrate to change electrical resistance in response to a change in temperature of the radiometer, and a thermal link to connect the radiometer to

Oracle-Free Match Testing of a Program Using Covering Arrays and Equivalence Classes

NIST Inventors
D. Richard Kuhn and Raghu N Kacker
A process for testing a program includes: receiving a variable comprising a plurality of input values; producing a plurality of equivalence classes for the input values; producing a representative value per equivalence class; producing, by a processor, a primary covering array comprising a plurality
pic for 10,858,256

Redox Sorting of Carbon Nanotubes

NIST Inventors
Angela R. Hight Walker and Ming Zheng
A method of separating and extracting carbon nanotubes, the method includes introducing the carbon nanotubes into a two-phase system that includes a first component and a second component, the first component being different from the second component. The method includes introducing a chemical agent
A line drawing showing the entire structure, which includes the resonator and supporting substrate.

Reticulated Resonator, Process for Making and Use of Same

NIST Inventors
Raymond Simmonds , Katarina Cicak , Cindy Regal and Thomas Purdy
Mechanical resonators are widely used in wireless receivers, biosensors, and timing and frequency control. Besides industry, in recent years in academia there is also considerable interest for ultrahigh precision sensing and fundamental science. A mechanical resonator with the following three
Image of diagrams for the Classic Mach - Zehnder interferometer, Microwae transmission line based vserion, and guided wave probe tip interacts with sample

Phase Shift Detector Process for Making and Use of Same

NIST Inventors
Kin (Charles) Cheung , Jason Ryan and Jason Campbell
The detector senses very small phase shifts in a highly balanced microwave bridge. An electric field optimized microwave probe, in close proximity to a sample, serves to perturb the degree of bridge balance due to a .change in effective dielectric constant of the sample. The major innovation

High Performance Topological Insulator Transistors

NIST Inventors
Curt A. Richter
Topological insulator is characterized as a new class of materials which have an insulating band gap in the bulk and gap less surface state which is protected by its intrinsic time-reversal symmetry. These topological insulators have been shown to have unique materials and electronics properties by
A photo of the noncntact dielectric and conductivity meter for high-throughput processing and a circuit diagram of the circuit used to track the resonant frequency and quality factor of the microwave resonator.

Noncontact Resonameter, Process for making and use of same

NIST Inventors
Jan Obrzut , Nate Orloff and Chris Long
A noncontact resonameter includes: a resonator to: produce an excitation signal including a field; subject a sample to the excitation signal; produce a first resonator signal in a presence of the sample and the excitation signal, the first resonator signal including: a first quality factor of the

Non-contact Measuring Tool for Precision Measurement

NIST Inventors
Josh Gordon
This invention introduces a non-contact measuring tool designed for precise measurement of objects without physically touching them. It uses advanced optical and sensor technologies to capture accurate data on an object's dimensions and surface characteristics. The tool enhances measurement

Authentication Article and Process for Making Same

NIST Inventors
Yaw S. Obeng and Joseph J. Kopanski
An authentication article includes: a substrate including: a first surface; a second surface disposed laterally to the first surface and at a depth below the first surface; and a plurality of indentations including the depth at the second surface of the substrate; and an array disposed on the
Picture of the Ice Maker with the words "Ice Maker" displayed above it

Icemaker, Process for Controlling Same and Making Ice

NIST Inventors
David A. Yashar
A system to make ice includes a refrigeration unit and an icemaker disposed in the refrigeration unit. The refrigeration unit is configured to be subjected to a refrigeration cycle; the icemaker is configured to be subjected to a freeze cycle; and the system is configured such that the freeze cycle
Microfluidic device shows cell and genome confinement, imaging, manipulation without shear forces causing DNA breakage, and potential for scale-up. Example of controlled cell and DNA loading, real time imaging, and controlled entropic crowding by infusion of microfluidic device with poly-ethyl-glycol (PEG) chemical agent.

Methods and Apparatus for Transplantation of Nucleic Acid Molecules

An innovative microfluidics device to prevent DNA breakage through the confinement of cells, gentle handling of nucleic acids, study and control of physicochemical parameters relevant to cell growth, and the DNA extraction, manipulation, and insertion of DNA, including transplantation of genetic
Optical meter 1 includes ref ector 4 disposed force member 2. Ref ector 4 is conf gured to receive radiation and to communicate a pressure of the radiation to force member 2. Ref ector 4 includes substrate 5 and ref ective surface 8. Force member 2 is conf gured to be displaced in response to receiving the force comprising the pressure, and optical meter 1 is conf gured to measure a power of the radiation, an energy of the radiation, or a combination thereof based on the pressure.

Optical Meter and Use of Same

NIST Inventors
John H. Lehman and Paul A. Williams
With this technology, high-power laser beams from 1-kilowatt (kW) up to 140 kW (and beyond) can be measured accurately using optical radiation pressure. By shining a laser beam on a reflective surface and then measuring how much the surface moves in response to the light’s pressure, researchers can
Photonic thermometer packages

Optical Temperature Sensor

NIST Inventors
Zeeshan Ahmed , Steve Semancik , Jacob Taylor and Gregory F. Strouse
A thermometer includes a substrate; an optical resonator disposed on the substrate and including an optical resonance, the optical resonator being configured to receive a resonant frequency corresponding to the optical resonance; and a waveguide disposed on the substrate proximate to the optical

Next-Gen Laser Radar (LIDAR) for High-Accuracy Applications

NIST Inventors
Ian Coddington and William C. Swann
This invention is a new kind of laser radar (LIDAR) that uses two special lasers called femtosecond fiber lasers. One laser sends out a signal, and the other helps detect the signal that bounces back from a target. It combines two types of measurements—time-of-flight and interferometry—to measure

Multiple Specimen Testing

NIST Inventors
Dave McColskey and Andrew Slifka
Systems and methods are described for concurrently applying loads to multiple test specimens. The systems and methods are useful for cyclical tensile loading of specimens such as in fatigue strength evaluations. The systems and methods are also useful for low frequency cyclical loading evaluations.
System for detecting J-coupling.

Detection of J-Coupling Using Atomic Magnetometer

NIST Inventors
John Kitching
Nuclear magnetic resonance (NMR) is a powerful tool for determining molecular structure and properties. Our invention provides for the direct detection of hetero- and homonuclear scalar coupling in a zero-field or low-field environment using an optical atomic magnetometer. It provides NMR without

Highly Sensitive Oxygen Sensor For Cell Culture

NIST Inventors
Samuel P. Forry
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. A first portion of the oxygen sensor is
Displaying 226 - 250 of 286
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