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Displaying 251 - 257 of 257

Simple, High Dynamic Range, And Efficient Extraction Of Phase Map (SHEEP) For Point Source Atom Interferometry

NIST Inventors

John Kitching and Elizabeth Donley

Atom interferometer gyroscopes use cold atoms and a series of laser pulses to measure the acceleration and rotation of a moving system and therefore can be used for inertial navigation. Some atom interferometers make measurements by imaging the atoms onto a CCD. Analyzing the atom spatial pattern

Structure And Process For High-Resolution Biosensor Charge Readout With Silicon Transistors

NIST Inventors

Arvind Balijepalli and Curt A. Richter

We have developed a new technique that allows commercially-sourced silicon field-effect transistors (FETs) operating as readout elements for biosensor to achieve a 3-fold improvement in pH resolution over conventional ion-sensitive field-effect transistors (ISFETs). This was achieved by operating

Superconducting Vortex-Based Microwave Circulator

NIST Inventors

Jacob Taylor

This invention consists of a design model of a microwave circulator reliant on the motion of a single persistent-current vortex in a small superconducting circuit of Josephson junctions to induce nonreciprocal behavior. The model indicates the capability of enabling a small-scale, moderate-bandwidth

System And Method For Data Analysis In Quantitative PCR Measurements

NIST Inventors

Anthony J. Kearsley , Paul Patrone , Erica Romsos and Peter M. Vallone

In quantitative polymerase chain-reaction (qPCR) measurements, accurately subtracting background signals, quantifying the amount of DNA, and ensuring fidelity of data analysis and diagnostic tests is challenging. Such problems are especially acute for emerging / novel diseases that lack thoroughly

System And Method For Monitoring Ultraviolet Radiation Bioremediation

NIST Inventors

Yaw S. Obeng

Healthcare-associated infections (HAIs) impose great burdens on public health; they are probably some of the toughest and the most pressing healthcare problems in acute-care hospitalization. Ultraviolet-C illumination effectively decontaminate surfaces to reduce the population of many HAI-inducing

Timing-Based Computer Architecture Systems And Methods

NIST Inventors

Advait Madhavan , Mark D. Stiles and Matthew Daniels

Tropical algebra is an emerging field of mathematics concerned with graph theory, control theory, and certain optimization problems, especially in discrete event systems. We developed a novel computer circuit called a tropical state machine that uses signal timing and the physics of nanodevices to

Wireless Fire Hose Flow Rate Apparatus And Measuring Flow Rate In A Fire Hose

NIST Inventors

Gregory W. Vogl , Wai Cheong Tam and Christopher U Brown

A wireless sensor network was used to measure water-flow rate in a fire hose. An accelerometer was chosen as the sensor to measure the flow rate based on the vibrations generated by water flowing through a fire hose close to the hose nozzle. These sensors are small, lightweight, and can attach to

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