Colloidal gold detection card for rapidly detecting melamine and preparing method thereof

• Main Authors: ZHAO CHUNCHENG, ZHANG LINGSHANG, QIN HAIPING, YANG TINGTING, ZHAO XIAOLIAN, SHEN WENYAN, WANG WENJING, CAI JIANRONG, YE JIN, GONG YAN, WU JIE
• Format: Patent
• Language: Chinese; English
• Published: 22.04.2009
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention provides a colloidal gold cassette for rapid detection of melamine, the colloidal gold cassette has rapid detection, convenient carry and simple operation, the invention also provides a preparation method of the cassette, the preparation process thereof is simple, and the cost is low. The colloidal gold cassette comprises a test strip, the test strip is packaged in a shell body of the cassette, a sample adding hole and an observation hole are arranged on the shell body of the cassette, the test strip comprises a bottom plate, the colloidal gold cassette is characterized in that water absorbent paper, a nitrocellulose membrane, a gold-labeled pad and a sample pad are sequentially arranged on the bottom plate of the test strip, the water absorbent paper and the gold-labeled pad are respectively arranged at the two ends of the nitrocellulose membrane, small sections of the water absorbent paper and the gold-labeled pad are respectively overlapped on the nitrocellulose membrane at the junctions at t