A kind of rapid detection test paper and its preparation method and application
A detection test strip and rapid technology, applied in the field of immunochemical in vitro detection, can solve the problems of wrong judgment of results and no color development of the quality control line, and achieve the effects of increasing repeatability, overcoming reflux, and avoiding non-specific binding.
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Embodiment 1
[0038] This embodiment provides a kind of early pregnancy detection test strip, the structure is as follows: figure 1 with figure 2 As shown, the state of contact between the chromatographic membrane and the binding pad is as follows Image 6 As shown, it includes a bottom plate 1 , a chromatographic membrane 2 , a binding pad 3 , and a single-sided adhesive tape 11 , wherein there are two lines on the chromatographic membrane: a detection line 5 and a quality control line 6 . The specific preparation method of the detection test strip is as follows:
[0039] 1. Preparation of conjugate pad (3) containing conjugate (4)
[0040] 1.1 Preparation of quality control line (6) microsphere conjugate (4-2)
[0041] In this product, the antibody labeled by the quality control line is: rabbit IgG antibody, and the microspheres used for labeling are: blue microspheres.
[0042] 1.1.1 Microsphere cleaning
[0043] Take 1 mL of blue microspheres in a beaker, weigh 16 mL of reaction b...
Embodiment 2
[0091] This embodiment provides a cardiac troponin I / creatine kinase isoenzyme / myoglobin simultaneous detection reagent card, the structure of which is as follows: image 3 As shown, it includes a chromatographic membrane 2, a binding pad 3 pasted on the bottom plate (1), and a box-type cartridge 12-1. Wherein there are 3 detection lines (5) (5a-cardiac troponin I, 5b-creatine kinase isoenzyme, 5c-myoglobin) and quality control line (6) on the chromatographic membrane 2; ) on the conjugate (4), the conjugate (4) is a mixture of microspheres of different colors, including 4-1a cardiac troponin I, 4-1b creatine kinase isoenzyme, 4-1c myoglobin , 4-2 rabbit IgG. The specific preparation method of the detection kit is as follows:
[0092] 1. Preparation of conjugate pad (3) containing conjugate (4)
[0093] 1.1 Quality control line (6) Preparation of microsphere conjugate 4-2
[0094] The quality control line microspheres are labeled with black microspheres, and the labeled an...
Embodiment 3
[0140] This embodiment provides a multi-drug detection test strip, the structure of which is as follows: Figure 4 As shown, it includes a bottom plate (1), a chromatographic membrane (2), a binding pad (3), and a single-sided adhesive tape (11). Wherein the detection line (5) and the quality control line (6) are arranged on the chromatographic membrane (2), and the conjugate (4) is arranged on the binding pad (3), and each test strip all contains the quality control line (6), and the detection The area of the line (5) is coated with different antigens, up to 5, at intervals of 2.5 mm. The specific preparation method of the drug detection quilt is as follows:
[0141] 1. Preparation of conjugate pad (3) containing conjugate (4)
[0142] 1.1 Preparation of quality control line (6) microsphere conjugate (4-2)
[0143] The microspheres used for quality control markers are yellow microspheres.
[0144] 1.1.1 Microsphere cleaning
[0145] Take 1 mL of yellow microspheres in ...
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