Dartmouth College

Greenhill Antiballistics Corporation

Freshair Sensor, LLC

Constellation Brands U.S. Operations, Inc.

Joseph James Belbruno

Zachary R Greenhill

Susanne E Tanski

Yuval Charles Avniel

Mark Allen Kelm

Martin N Wybourne

Andrei Burnin

Ursula J Gibson

Ziyi Chai

Jane E G Lipson

A device for detecting airborne contaminants includes a protonated, electrically conductive sensing material with affinity for binding with, and capable of being deprotonated by, the airborne contaminant. Electronics measure a property of the sensing material that is sensitive to deprotonation and generates signals indicative of the airborne contaminant. A method for detecting airborne contaminants includes: determining a property change of the protonated, electrically conductive material; and determining presence of the airborne contaminant based on the change. A system for detecting airborne contaminants includes: a data center in remote communication with multiple sensing devices each having: protonated, electrically conductive sensing material with affinity for binding with, and capable of being depronated by, an airborne contaminant, and electronics for relaying signals indicative of a sensing material deprotonation property to the data center; and wherein a user associated with a sensing device is notified of an abnormal level of the airborne contaminant.

Systems, sensing devices and methods for detection of airborne contaminants

Systems and methods for the detection of one or more target molecules emitted from microbial sources are described. The systems and methods may include a molecularly imprinted polymer film; a strain sensitive surface, wherein the molecularly imprinted polymer film comprises a polymer host with one or more binding sites for one or more target molecules. The molecularly imprinted polymer film may be coated upon the strain sensitive surface.

Molecularly imprinted polymer-based passive sensor

A device for detecting cotinine includes (a) a film that includes a plurality of molecularly-imprinted-polymer (MIP) coated conductive nanoparticles having specific affinity for binding with cotinine, and (b) two electrodes in contact with the film for passing electrical current through the film to detect binding with cotinine as a change in electrical conductivity of the film. A MIP coated conductive nanoparticle for detecting cotinine includes (a) a conductive nanoparticle, (b) a silicon dioxide coating formed on the conductive nanoparticle and forming a first shell around the conductive nanoparticle, and (c) an MIP coating formed on the silicon dioxide coating and forming the second shell, wherein the MIP coating includes a polymer molecularly imprinted with cotinine to provide specific affinity for binding of cotinine to the MIP coated conductive nanoparticle such that the cotinine is detectable as a change in electrical conductivity of the MIP coated conductive nanoparticle.

Molecularly-imprinted-polymer coated conductive nanoparticles for cotinine detection, and associated devices and methods

A shock wave attenuating material () includes a substrate layer (). A plurality () of shock attenuating layers is disposed on the substrate layer (). Each of the plurality () of shock attenuating layers includes a gradient nanoparticle layer () including a plurality of nanoparticles () of different diameters that are arranged in a gradient from smallest diameter to largest diameter and a graphitic layer () disposed adjacent to the gradient nanoparticle layer. The graphitic layer () includes a plurality of carbon allotrope members () suspended in a matrix ().

Gradient nanoparticle-carbon allotrope-polymer composite material

A device for detecting an airborne contaminant includes (a) a reactive polymer film having affinity for binding with the airborne contaminant, (b) an electrically conductive polymer film in contact with the reactive polymer film and having electrical property sensitive to binding of the airborne contaminant to the reactive polymer film, and (c) two electrodes in electrical contact with the electrically conductive polymer film for measuring the electrical property to detect the binding of the airborne contaminant to the reactive polymer film. Another device for detecting an airborne contaminant includes (a) a polymer film molecularly imprinted with the airborne contaminant, and (b) color reporting molecules having color sensitive to binding of the airborne contaminant to the polymer film. A method for manufacturing a device for detecting an airborne contaminant includes depositing, using one or more inkjet print heads, a polymer film and at least two electrodes onto a substrate.

Devices for detecting airborne contaminants, and associated methods

A molecularly imprinted polymer sensor for sensing a target molecule includes (a) a polymer film that is molecularly imprinted with the target molecule and includes a conductive polymer having resistance sensitive to binding with the target molecule and a structural polymer providing porosity to the polymer film, and (b) interdigitated electrodes, located on a surface of the polymer film, for measuring a change in the resistance to sense said binding.

Molecularly imprinted polymer sensors

Disclosed herein are compositions of, synthesis methods and methods of use for improved molecularly imprinted polymers useful for extracting target molecule compounds of wine.

Methods for preparation of molecularly imprinted polymers for wine extraction

Systems and methods are provided for protective devices. A protective equipment device may include a high mass member; and a nanoparticle shock wave attenuating material layer disposed on the high mass member. The nanoparticle shock wave attenuating material layer may include a gradient nanoparticle layer including a plurality of nanoparticles of different diameters that are arranged in a gradient array; and a carbon allotrope layer disposed in proximity to the gradient nanoparticle layer, the carbon allotrope layer comprising a plurality of carbon allotrope members suspended in a matrix.

Gradient nanoparticle-carbon allotrope polymer composite

Shown herein are compositions of, and methods of use for, molecularly imprinted polymers useful for extracting and/or detecting target molecule compounds of wine.

Molecularly imprinted polymer for wine, method of preparing, and use of same

A method for producing a conductive molecularly imprinted polymer film for detection of an airborne target molecule includes (a) dissolving a polymer host comprising a structural component and a conductive component in a first solvent to form a first solution, wherein the structural component includes nylon-6 or polyethyleneimine and the conductive component includes polyaniline, (b) adding a target molecule to the first solution, (c) mixing the target molecule into the first solution to form a molecularly imprinted polymer solution, (d) coating the molecularly imprinted polymer solution onto a surface, (e) and removing the target molecule to form the conductive molecularly imprinted polymer film.

Molecularly imprinted polymers for detection of contaminants

Disclosed herein are engineered composite materials suitable for applications that can benefit from a composite material capable of interacting with or responding to, in a controlled or pre-determined manner, changes in its surrounding environment. The composite material is generally includes a gradient layer structure of a sequence of at, e.g., three or more gradient-contributing layers of microscale particles, wherein a mean particle size of particles of neighboring gradient-contributing layers in the cross section of the gradient layer structure varies from layer to layer, thereby forming a particle size gradient, and in contact with the gradient layer structure, a densely packed particle structure including densely packed microscale particles, wherein a mean particle size of the densely packed microscale particles does not form a particle size gradient in the cross section of the densely packed particle structure.

Composite material

A molecularly imprinted polymer (MIP) sensor including a substrate, two or more electrodes, a conductive layer applied to the substrate and a molecularly imprinted polymer layer applied to the conductive layer is disclosed herein The MIP sensor may form part of an MIP sensor system that can be used to detect and quantify target molecules.

Molecularly imprinted polymer sensor systems and related methods

A method of selecting ions includes generating a group of ions, accelerating the group of ions through a flight region towards an electronic mass selector grid, and selectively varying a voltage applied to the electronic mass selector grid, such that only a selected subset of the group of ions passes through the grid. An apparatus for selecting ions includes an ion generator, an ion accelerator for accelerating ions into a flight region, and an electronic mass selector grid responsive to an applied voltage to pass a subset of the ions from the flight region. An apparatus for detecting a threat molecule includes an ion generator for generating ions from a mixed gas stream, an ion accelerator for accelerating the ions into a flight region, and an electronic mass selector grid. The grid passes only a subset of the ions, such as ions and/or ionized fragments of the threat molecule.

Growing community of inventors

Hanover, NH, United States of America

Joseph James Belbruno