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公开(公告)号：US20150024379A1
公开(公告)日：2015-01-22
申请号：US14378768
申请日：2013-02-19
Applicant: RESEARCH TRIANGLE INSTITUTE , AEROSOL DYNAMICS INC.
Inventor： David S. Ensor , Howard Jerome Walls , Karin K. Foarde , Susanne Vera Hering , Steven Russel Spielman
IPC: C12Q1/24
CPC classification number: C12Q1/24
Abstract: An aerosol collection system and method. The system includes a bio-aerosol delivery device configured to supply bioparticles in a gas stream, a moisture exchange device including a partition member coupled to the gas stream and configured to humidify or dehumidify the bioparticles in the gas stream, and an aerosol collection medium downstream from the moisture exchange device and configured to collect the bioparticles. The method includes delivering bioparticles in a gas stream, humidifying or dehumidifying the bioparticles in the gas stream by transport of water across a partition member and into a vapor phase of the gas stream, and collecting the bioparticles by a collection medium.
Abstract translation: 气溶胶收集系统及方法。 该系统包括构造成供应气流中的生物颗粒的生物气溶胶输送装置，水分交换装置，其包括耦合到气流的分隔构件，并被配置为对气流中的生物颗粒进行加湿或除湿;以及下游的气溶胶收集介质 从湿度交换装置并配置成收集生物颗粒。 该方法包括在气流中输送生物颗粒，通过将水输送通过分隔构件并进入气流的气相来加湿或除湿气流中的生物颗粒，以及通过收集介质收集生物颗粒。
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公开(公告)号：US10378042B2
公开(公告)日：2019-08-13
申请号：US14378768
申请日：2013-02-19
Applicant: RESEARCH TRIANGLE INSTITUTE , AEROSOL DYNAMICS INC.
Inventor： David S. Ensor , Howard Jerome Walls , Karin K. Foarde , Susanne Vera Hering , Steven Russel Spielman
IPC: C12Q1/24
Abstract: An aerosol collection system and method. The system includes a bio-aerosol delivery device configured to supply bioparticles in a gas stream, a moisture exchange device including a partition member coupled to the gas stream and configured to humidify or dehumidify the bioparticles in the gas stream, and an aerosol collection medium downstream from the moisture exchange device and configured to collect the bioparticles. The method includes delivering bioparticles in a gas stream, humidifying or dehumidifying the bioparticles in the gas stream by transport of water across a partition member and into a vapor phase of the gas stream, and collecting the bioparticles by a collection medium.
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公开(公告)号：US20200347434A1
公开(公告)日：2020-11-05
申请号：US16884764
申请日：2020-05-27
Applicant: Research Triangle Institute
Inventor： David S. Ensor , Howard Jerome Walls , Karin K. Foarde , Susanne Vera Hering , Steven Russel Spielman
IPC: C12Q1/24
Abstract: An aerosol collection system and method. The system includes a bio-aerosol delivery device configured to supply bioparticles in a gas stream, a moisture exchange device including a partition member coupled to the gas stream and configured to humidify or dehumidify the bioparticles in the gas stream, and an aerosol collection medium downstream from the moisture exchange device and configured to collect the bioparticles. The method includes delivering bioparticles in a gas stream, humidifying or dehumidifying the bioparticles in the gas stream by transport of water across a partition member and into a vapor phase of the gas stream, and collecting the bioparticles by a collection medium.
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公开(公告)号：US20200166494A1
公开(公告)日：2020-05-28
申请号：US16580683
申请日：2019-09-24
Applicant: Research Triangle Institute
Inventor： David S. Ensor , Li Han
Abstract: A chemical sensor and a system and method for sensing a chemical species. The chemical sensor includes a plurality of nanofibers whose electrical impedance varies upon exposure to the chemical species, a substrate supporting and electrically isolating the fibers, a set of electrodes connected to the plurality of fibers at spatially separated points to permit the electrical impedance of the plurality of fibers to be measured, and a membrane encasing the fibers and having a thickness ranging from 50 μm to 5.0 mm. The system includes the chemical sensor, an impedance measuring device coupled to the electrodes and configured to determine an electrical impedance of the plurality of fibers, and an analyzer configured to identify the chemical species based on a change in the electrical impedance. The method measures at least one change in an electrical impedance between spatially separated electrodes connected to a plurality of fibers upon exposure of the fibers to the chemical species, and identifies the chemical species based on the measured change in the electrical impedance.
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公开(公告)号：US10345216B2
公开(公告)日：2019-07-09
申请号：US15504727
申请日：2015-08-20
Applicant: Research Triangle Institute
Abstract: Sample monitoring and flow control systems and methods are disclosed for monitoring of airborne particulates. A system may include a particle collection filter. The system also includes a fluid moving device for moving a sample through the particle collection filter. Further, the system includes a light source configured to direct irradiating light towards the particle collection filter. The system also includes a light detector positioned to receive the irradiating light passing through the particle collection filter and configured to generate a signal representative of an amount of the received light. Further, the system includes a controller configured to receive the signal and to control the fluid moving device based on the amount of the received light.
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Patent Agency Ranking
公开(公告)号：US20170268980A1
公开(公告)日：2017-09-21
申请号：US15504727
申请日：2015-08-20
Applicant: Research Triangle Institute
CPC classification number: G01N15/1404 , C12Q3/00 , G01N15/0205 , G01N15/06 , G01N15/0625 , G01N15/1459 , G01N21/53 , G01N21/6486 , G01N2015/0065 , G01N2015/0693 , G01N2015/1493 , G01N2201/062
Abstract: Sample monitoring and flow control systems and methods are disclosed for monitoring of airborne particulates. A system may include a particle collection filter. The system also includes a fluid moving device for moving a sample through the particle collection filter. Further, the system includes a light source configured to direct irradiating light towards the particle collection filter. The system also includes a light detector positioned to receive the irradiating light passing through the particle collection filter and configured to generate a signal representative of an amount of the received light. Further, the system includes a controller configured to receive the signal and to control the fluid moving device based on the amount of the received light.
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公开(公告)号：US20130308334A1
公开(公告)日：2013-11-21
申请号：US13938754
申请日：2013-07-10
Applicant: RESEARCH TRIANGLE INSTITUTE
Inventor： James Lynn DAVIS , Anthony L. Andrady , David S. Ensor , Li Han , Howard J. Walls
IPC: F21V8/00
CPC classification number: G02B6/0008 , C09K11/565 , C09K11/883 , D01D5/0007 , D01F11/00 , D04H1/413 , D04H1/42 , D04H1/4382 , D06M11/52 , H01L33/501 , H01L2924/0002 , H01L2924/00
Abstract: A device for stimulable light emission that includes a fiber mat of nanofibers having an average fiber diameter in a range between 100 and 2000 nm, and includes plural stimulable particles disposed in association with the nanofibers. The stimulable particles produce secondary light emission upon receiving primary light at a wavelength λ. The average fiber diameter is comparable in size to the wavelength λ in order to provide scattering sites within the fiber mat for the primary light. Various methods for making suitable luminescent nanofiber mats include: electrospinning a polymer solution including or not including the stimulable particles and forming from the electrospun solution nanofibers having an average fiber diameter between 100 and 2000 nm. Methods, which electrospin without the stimulable particles, introduce the stimulable particles during electrospinning or after electrospinning to the fibers and therefore to the resultant fiber mat.
Abstract translation: 一种可刺激发光的装置，其包括平均纤维直径在100和2000nm之间的纳米纤维的纤维垫，并且包括与纳米纤维相关联地设置的多个可刺激的颗粒。 可接受的颗粒在接收波长λ的原始光时产生二次发光。 平均纤维直径在尺寸上与波长λ相当，以便为初级光提供纤维垫内的散射部位。 用于制备合适的发光纳米纤维毡的各种方法包括：将包含或不包含可刺激颗粒的聚合物溶液静电纺丝并由平均纤维直径在100和2000nm之间的电纺丝溶液纳米纤维形成。 没有刺激性颗粒的静电纺丝的方法是在静电纺丝过程中或静电纺丝后引入可刺激的颗粒到纤维上，从而导致所得的纤维垫。
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公开(公告)号：US20210181172A1
公开(公告)日：2021-06-17
申请号：US17032614
申请日：2020-09-25
Applicant: Research Triangle Institute
Inventor： David S. Ensor , Li Han
Abstract: A chemical sensor and a system and method for sensing a chemical species. The chemical sensor includes a plurality of nanofibers whose electrical impedance varies upon exposure to the chemical species, a substrate supporting and electrically isolating the fibers, a set of electrodes connected to the plurality of fibers at spatially separated points to permit the electrical impedance of the plurality of fibers to be measured, and a membrane encasing the fibers and having a thickness ranging from 50 μm to 5.0 mm. The system includes the chemical sensor, an impedance measuring device coupled to the electrodes and configured to determine an electrical impedance of the plurality of fibers, and an analyzer configured to identify the chemical species based on a change in the electrical impedance.
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公开(公告)号：US10481070B2
公开(公告)日：2019-11-19
申请号：US16398400
申请日：2019-04-30
Applicant: Research Triangle Institute
Abstract: Sample monitoring and flow control systems and methods are disclosed for monitoring of airborne particulates. A system may include a particle collection filter. The system also includes a fluid moving device for moving a sample through the particle collection filter. Further, the system includes a light source configured to direct irradiating light towards the particle collection filter. The system also includes a light detector positioned to receive the irradiating light passing through the particle collection filter and configured to generate a signal representative of an amount of the received light. Further, the system includes a controller configured to receive the signal and to control the fluid moving device based on the amount of the received light.
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公开(公告)号：US20190330675A1
公开(公告)日：2019-10-31
申请号：US16455067
申请日：2019-06-27
Applicant: Research Triangle Institute
Inventor： David S. Ensor , Howard Jerome Walls , Karin K. Foarde , Susanne Vera Hering , Steven Russel Spielman
IPC: C12Q1/24
Abstract: An aerosol collection system and method. The system includes a bio-aerosol delivery device configured to supply bioparticles in a gas stream, a moisture exchange device including a partition member coupled to the gas stream and configured to humidify or dehumidify the bioparticles in the gas stream, and an aerosol collection medium downstream from the moisture exchange device and configured to collect the bioparticles. The method includes delivering bioparticles in a gas stream, humidifying or dehumidifying the bioparticles in the gas stream by transport of water across a partition member and into a vapor phase of the gas stream, and collecting the bioparticles by a collection medium.
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