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公开(公告)号：US20250003909A1
公开(公告)日：2025-01-02
申请号：US18625659
申请日：2024-04-03
Inventor： Chuan-Jian Zhong , Shuxia Lu , Guojun Shang , Shan Yan , Jin Luo , Dong Dinh
IPC: G01N27/12 , G01N33/497
Abstract: Air sampling sensor and system for detecting volatile organic compounds and applications thereof. A nanoparticle-structured chemiresistive sensor array in the analyzer generates an output signal based on the presence of selected volatile organic compounds in an air sample. The sensors of the array include sensing films from the group of molecularly-linked gold nanoparticles with different linking and capping molecules and gold nanoparticles of different sizes. A micro-processing unit analyzes the output signal of the sensor array and indicates the presence or absence of selected volatile organic compounds. The air sampling system can be used to analyze human breath and report the presence of volatile organic compounds relevant to lung cancer biomarkers. The air sampling system can also be used as an environmental air monitoring system to detect the presence of hazardous chemicals in the air.
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公开(公告)号：US20240351105A1
公开(公告)日：2024-10-24
申请号：US18630630
申请日：2024-04-09
Inventor： Chuan-Jian Zhong , Richard Robinson , Shan Wang , Shan Yan , Guojun Shang
IPC: B22F9/24 , B22F1/0545 , B82Y30/00 , C09D11/033 , C09D11/037
CPC classification number: B22F9/24 , B22F1/0545 , B82Y30/00 , C09D11/033 , C09D11/037 , B22F2201/02 , B22F2301/10 , B22F2301/255 , B22F2304/054
Abstract: Nanoparticles with a bimetallic silver-copper (AgCu) alloy composition with ambient (room temperature) sintering properties. The bimetallic alloy is formulated with nanoparticles which are contained in a stable nanoink or nanopaste. The nanoink or nanopaste can be printed on paper and other substrates and be sintered under room temperatures. A method of creating the AgCu composition is also provided.
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