Test strip and method for simultaneously detecting blood sugar and blood lipid
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A technology of test strips and blood lipids, applied in the direction of electrochemical variables of materials, etc., to achieve the effect of avoiding trouble, reducing volume, and reducing cumbersomeness
Active Publication Date: 2018-07-06
SHENZHEN INST OF ADVANCED TECH +1
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[0004] However, so far, there is no test strip that can simultaneously detect the indicators of blood sugar and blood lipids, which can make the blood sugar and blood lipids of diabetic patients well controlled
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Embodiment 1
[0027] A test strip 100 for simultaneously detecting blood sugar and blood lipid, this embodiment adopts a blood drop method for sample injection. The test strip 100 includes a first substrate layer 110, an insulating layer 120, four reaction pads (131, 132, 133, 134), a second substrate layer 140, and flow deflectors (151, 152, 153, 154), separation pad 160, diffusion layer 170 and cover sheet 180, such as figure 1 shown. in:
[0028] In this embodiment, a polyethylene terephthalate (PET) sheet substrate is used as the first substrate layer 110 and the second substrate layer 140, and then screen printed on the first substrate layer 110. forming working electrodes (111, 112, 113, 114), working electrode wires, electrode terminal joints (115, 116, 117, 118) of the working electrodes, the electrode terminal joints being used for electrical connection with the device for applying voltage, On the second substrate layer 140, counter electrodes (141, 142, 143, 144), counter elect...
Embodiment 2
[0035] Such as figure 2 As shown, the test strip 200 for simultaneous detection of blood sugar and blood lipid in this embodiment is basically the same as the test strip 200 in Example 1, the difference is that:
[0036] The test strip is further laminated with an adhesive layer 290 and a hydrophilic film 291 between the diffusion layer and the cover sheet. The adhesive layer 290 is made of sticky material and can adhere the hydrophilic film 291 . The hydrophilic membrane 291 is made of a material with a hydrophilic group, and can absorb liquid samples.
[0037] The adhesive layer is provided with a hollow part 293 , and the hollow part 292 is provided with a siphon channel 293 connected to the edge of the test strip; the hydrophilic film 291 covers the hollow part 292 .
[0038] The test strip work of the present embodiment is basically the same as the test strip work flow of embodiment 1, the difference is:
[0039] The test strip adopts the method of siphon sampling, ut...
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Abstract
The invention discloses a test strip and a method for simultaneously detecting blood sugar and blood lipid, belonging to the technical field of biochemical index detection. The test strip includes a substrate layer, a reaction pad and a diffusion layer; there are at least two reaction pads, on which are respectively provided enzymes for detecting blood sugar and enzymes for detecting blood lipids; the at least two reaction pads are all connected to the diffusion layer. The layers are connected; the substrate layer is provided with detection electrode pairs, the number of the detection electrode pairs is consistent with the number of reaction pads, and each detection electrode pair corresponds to a reaction pad. The method for simultaneously detecting blood sugar and blood lipid of the present invention adopts the above-mentioned test strip, and the liquid sample is evenly diffused to each reaction pad by the diffusion layer, thereby respectively obtaining the contents of blood sugar and blood lipid in the liquid sample. The test strip and the method of the present invention detect blood sugar and blood lipid at the same time through one sample injection, which reduces the volume of the liquid sample, shortens the detection time, and reduces the cumbersome degree of operation.
Description
technical field [0001] The invention relates to a biochemical index detection technology, in particular to a test strip and a method for simultaneously detecting blood sugar and blood lipid. Background technique [0002] In the detection of biochemical indicators, the electrochemical determination method is the electron transfer generated by the enzyme after the biochemical reaction, according to the current flow proportional to the concentration of the substance to be tested in the specimen, and then detected by the conductive electrode, its rapid response and rapid electron transfer The characteristics of the measurement to the electrode make the electrochemical measurement method a rapid and reliable detection method. Electrode test strips have been widely used in various detection products, such as various biochemical detectors such as blood sugar, uric acid, and cholesterol, due to their easy manufacture, low cost, and portability. [0003] As we all know, diabetic pat...
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