Micro-blood sample pretreatment system and preparation process thereof
A preparation process and pretreatment technology, applied in the direction of filtration and separation, material inspection products, chemical instruments and methods, etc., can solve the problems of many plasma components and single indicators for real-time detection, and achieve simple structure production, which is conducive to popularization and application. The effect of home testing convenience
Active Publication Date: 2010-10-20
苏州市玮琪生物科技有限公司
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In addition, there are many components in plasma, and the indicators for instant detection are often single, and various components need to be separated before detection
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[0017] Such as figure 1 The micro blood sample pretreatment system shown is composed of a spreading layer 1, a filter separation layer 2, a chemical component separation layer 3, and an isolation layer 4. The spreading layer 1 is made of a hydrophilic material, such as a hydrophilic polymer Ester, cotton cloth, monofilament mesh cloth, preferably has hydrophilic nylon mesh cloth, and its pore size range is 0.2~1um, and described filter separation layer 2 and chemical component separation layer 3 are cellulose test papers, and it is that the pore size range is 0.5um. ~2um glass fiber or cellulose. The isolation layer 4 is a hydrophilic sulfone membrane or a carbonate membrane with a pore size ranging from 0.2 to 1 μm.
[0018] The preparation process steps are as follows: a. Cut the hydrophilic material, cellulose test paper, hydrophilic sulfone membrane or carbonate membrane into the same specifications respectively; b. Stack 1 to 2 layers of hydrophilic materials to form a s...
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Abstract
The invention relates to a micro-blood sample pretreatment system and a preparation process thereof. The system consists of a spreading layer, a filtering separation layer, a chemical composition separation layer and an isolating layer which are sequentially stacked, wherein the spreading layer is made of a hydrophilic material; and the filtering separation layer and the chemical composition separation layer is cellulose test paper. The preparation process comprises the following steps of: a, cutting the hydrophilic material, cellulose test paper and a material for the isolating layer into the same specifications; b, stacking one or two layers of hydrophilic material to form the spreading layer and stacking one to three layers of cellulose test paper to form the filtering separation layer or the chemical composition separation layer; c, respectively soaking the filtering separation layer and the chemical composition separation layer in A-type impregnation liquid and B-type impregnation liquid for half an hour, taking out and drying at the temperature of 40 DEG C for 20 minutes; and d, bonding edges of the spreading layer, the filtering separation layer, the chemical composition separation layer and the isolating layer with double faced adhesive tapes. The micro-blood sample pretreatment system has the advantages of simplifying whole blood treatment and check, and making instantaneous detection and home detection more convenient and faster.
Description
Technical field: [0001] The invention relates to a micro blood sample pretreatment system and a preparation process thereof. Background technique: [0002] Blood is a kind of connective tissue that circulates in the heart and blood vessels in the circulatory system. Physiological and pathological changes in various organs of the human body often cause changes in blood components, so blood tests are often used to diagnose diseases after illness, so blood is an important specimen in clinical testing and analysis. Blood is composed of blood cells and plasma. Blood cells are divided into red blood cells, white blood cells and platelets. Red blood cells (erythrocytes, red blood cells) have a diameter of 7-8.5 μm and are in the shape of a biconcave disc. The center is thinner (1.0 μm) and the periphery is thicker. (2.0 μm). Plasma is the liquid component of blood. Besides water, there are various plasma proteins, inorganic salts, glucose, hormones and other substances. [0003]...
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IPC IPC(8): B01D39/14G01N33/49
Inventor 顾瑜肖洁瑾邹丽萍徐华良
Owner 苏州市玮琪生物科技有限公司