CN109187942B - Detection test paper and manufacturing method thereof - Google Patents
Detection test paper and manufacturing method thereof Download PDFInfo
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- CN109187942B CN109187942B CN201810876084.3A CN201810876084A CN109187942B CN 109187942 B CN109187942 B CN 109187942B CN 201810876084 A CN201810876084 A CN 201810876084A CN 109187942 B CN109187942 B CN 109187942B
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
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Abstract
The invention discloses a test paper and a manufacturing method thereof, wherein the test paper comprises a bottom plate, a first connecting layer, absorbent paper, a test strip, a second connecting layer, an upper plate and a covering film; the first connecting layer is located between the absorbent paper and the bottom plate, the absorbent paper comprises a first side portion, a second side portion and an intermediate portion located between the first side portion and the second side portion, the second connecting layer is located between the upper plate and the second side portion, the intermediate portion is provided with a test strip, the test strip is tightly attached to the upper plate, the covering film covers and is adhered to the first side portion, the test strip and the upper plate, the manufacturing method of the detection test paper comprises the steps of adhering the absorbent paper to the first connecting layer, adhering the upper plate to the absorbent paper and the test strip tightly attached to the upper plate, covering the covering film and then cutting into required width. The invention can accelerate the detection of the test paper and also can avoid the conditions of false positive and uneven color development when testing a negative sample.
Description
Technical Field
The invention relates to the technical field of in-vitro diagnosis, in particular to a test paper and a manufacturing method thereof.
Background
Test paper refers to a type of paper impregnated with chemicals that can be used to test for the presence of certain substances in liquids or gases by their color change.
The test paper is made into the test paper strip through certain steps and then is put into the test solution to be detected more safely and accurately, such as blood, urine, saliva and the like.
Most of the existing test paper strip manufacturing methods are to select a substrate, tear off the isolation paper on the substrate, first paste absorbent paper on the upper half of the substrate, then paste test paper with one end partially overlapped with the absorbent paper, finally paste absorbent paper with the other end partially overlapped with the absorbent paper, and finally cut into test paper strips with required width. However, when the test strip prepared by the method is used for testing, a chromatography method is utilized, on one hand, false positive is easy to generate when a negative sample is tested, and on the other hand, color blocks are easy to run upwards during testing, so that uneven color development is caused.
Disclosure of Invention
The present invention is directed to a test strip and a method for making the same, which overcome the above-mentioned disadvantages of the prior art.
The invention solves the technical problem, adopts the technical scheme that a novel ethanol detection test paper is provided, and comprises the following components: the test paper comprises a bottom plate, a first connecting layer, absorbent paper, a test strip, a second connecting layer, an upper plate and a covering film; the first tie layer is located between absorbent paper and the bottom plate, absorbent paper includes first lateral part, second lateral part and is located intermediate portion between first lateral part and the second lateral part, the second tie layer is located between upper plate and the second lateral part, be equipped with the test strip on the intermediate portion, the test strip is hugged closely the upper plate, cover the membrane and cover and glue first lateral part, test strip and upper plate.
Preferably, the length ratio of the bottom plate to the upper plate is 2-2.5: 1.
Preferably, the length of the test strip is 0.5-1.5 cm.
Preferably, the upper plate is provided with an extension part covering the test strip, and the length ratio of the test strip to the extension part is 3-5: 1. The thickness of extension is less than the upper plate, leaves certain space to be used for plugging in the test strip, and the extension has certain compliance simultaneously, can tightly fix the test strip when the cover film covers it, can avoid the test strip position change, conveniently plugs in the test strip under this proportion on the one hand, and on the other hand avoids covering the test strip by a large scale and arouses that the extension has different pressures to the different positions of test strip and infiltration is inhomogeneous when leading to subsequent testing.
Preferably, the first connecting layer and the second connecting layer are waterproof double-sided adhesive tapes, and glass beads are densely distributed in the first connecting layer and the second connecting layer. The double-sided adhesive tape which is not waterproof absorbs the sample, so that the sample amount needs to be increased, and the result is possibly inaccurate; the glass beads are densely distributed in the first connecting layer and the second connecting layer, so that on one hand, the phenomenon of breakage of a glue surface during extrusion can be avoided due to the fact that the glass beads are free of stress high concentration, the glue surface can be kept stable in subsequent use, the strength of the first connecting layer and the strength of the second connecting layer can be improved by another hair surface, deformation is not prone to generation, and inaccuracy of a subsequent test result caused by unbalanced stress generated due to deformation during extrusion is avoided.
The invention also aims to provide a manufacturing method of the novel ethanol detection test paper, which comprises the following steps:
a) taking the bottom plate connected with the first connecting layer, tearing off the diaphragm covered on the first connecting layer, and adhering the absorbent paper on the first connecting layer;
b) taking the upper plate connected with the second connecting layer, tearing off the membrane covered on the second connecting layer, connecting the second connecting layer with the second side part, placing the test strip on the middle part, and enabling the test strip to be tightly attached to the upper plate;
c) covering and adhering the covering film on the first side part, the test strip and the upper plate to obtain the test strip;
d) and cutting the test strip into required width by using a cutter.
Preferably, in step b), two ends of the test strip parallel to the water absorption direction of the absorbent paper are provided with adhesive strips for connecting the test strip and the absorbent paper. The position of the absorbent paper is better fixed, and the position change is prevented when the covering film is covered.
Preferably, the width of the sticky strip is less than or equal to the width required in step d). Therefore, when the subsequent cutter machine cuts the test strip, the two ends containing the sticky strip are very convenient to remove.
Preferably, in step c), trimming is performed after covering and adhering the cover film on the first side, the test strip and the upper plate.
Preferably, in step a), still including pasting the device, paste the device including being used for placing the base and the roller of bottom plate board, the roller is equipped with around paper portion, the base is including supplying the first recess of roller rolling is in with the setting first recess below and hold the second recess of bottom plate board, the base has the ring protrusion that encircles first recess, protruding ring is equipped with spacing spout in the rolling direction of roller, the roller be equipped with the corresponding spacing gyro wheel of spacing spout. Can be so that paste ground more level and more smooth, even for when follow-up doing the test, can not lead to the test result inaccurate because of the problem of pasting of paper that absorbs water, this set of equipment is applicable to step c) simultaneously, can use current pushing machine to promote the roller, can guarantee the stability of pressure when pasting like this.
Preferably, the radius of the paper winding portion is greater than or equal to the depth of the first groove. The situation that the water absorption paper cannot be pasted without using up can be avoided.
Preferably, the bottom of the limiting sliding groove is provided with a magnet. Have the iron plate etc. in the spacing gyro wheel and can produce the material of suction with magnet, because the use of absorbent paper can make whole roller lightness-reducing, when producing different test paper strips like this, can appear when pasting absorbent paper and lead to follow-up test to have certain difference because of the pressure difference, can move down when the roller lightness-reducing, set up magnet and can make the stronger suction of production when moving down for need not change and act on the epaxial power of roller and just can reach pressure equilibrium.
By implementing the technical scheme, the invention has the following advantages: according to the invention, the test strip is directly arranged on the absorbent paper and covered with the covering film, so that the detection of the test paper can be accelerated, and the condition of non-uniform false positive and color development during the test of a negative sample is avoided.
Drawings
FIG. 1 is a side view of a test strip according to embodiments 1 and 3 of the present invention;
FIG. 2 is a top view of the absorbent paper of the present invention;
FIG. 3 is a side view of the test strip of example 2 and example 4 of the present invention;
FIG. 4 is a sectional view of the attaching device in embodiment 3;
FIG. 5 is a top view of the susceptor in examples 3 and 4;
FIG. 6 is a sectional view of the attaching device in example 4.
In the figure, 1, a bottom plate, 2, absorbent paper, 3, a test strip, 4, an upper plate, 5, a cover film, 6, a first connecting layer, 7, a second connecting layer, 21, a first side portion, 22, a second side portion, 23, a middle portion, 41, an extending portion, 8, a pasting device, 81, a base, 82, a roll shaft, 821, a paper winding portion, 811, a first groove, 812, a second groove, 813, a bulge ring, 8131, a limiting sliding groove, 822, a limiting roller, 9 and a magnet.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example 1:
a test strip as shown in FIGS. 1 to 2 comprises a base sheet 1, a first adhesive layer 6, a bibulous paper 2, a test strip 3, a second adhesive layer 7, an upper sheet 4 and a cover film 5. The test strip is selected from various test strips on the market.
The first connecting layer 6 is located between the absorbent paper 2 and the bottom plate 1, the absorbent paper 2 comprises a first side portion 21, a second side portion 22 and an intermediate portion 23 located between the first side portion 21 and the second side portion 22, the second connecting layer is located between the upper plate 4 and the second side portion 22, the test strip 3 is arranged on the intermediate portion 23, the test strip 3 is tightly attached to the upper plate 4, and the cover film 5 covers and is adhered to the first side portion 21, the test strip 3 and the upper plate 4. Through directly setting up the test strip on the absorbent paper and covering the cover film, can accelerate the detection of test paper on the one hand, on the other hand avoids appearing false positive and the uneven condition of development when testing negative sample, because the liquid on the absorbent paper permeates to the test strip on, rather than adopting the method of chromatography, avoids the colour block to up run and leads to the liquid uneven distribution on the test strip like this to avoid because of false positive and the uneven development of inhomogeneous production of colour block.
The length ratio of the bottom plate 1 to the upper plate 4 is 2-2.5: 1. The length ratio selected in this example was 2:1
The length of the test strip 3 is 0.5-1.5 cm. The length chosen for this example is 1 cm.
A manufacturing method of test paper comprises the following steps:
a. taking a bottom plate connected with the first connecting layer 6, tearing off a diaphragm covered on the first connecting layer, and adhering the water-absorbing paper 2 on the first connecting layer 6;
b. taking the upper plate 4 connected with the second connecting layer 7, tearing off the membrane covered on the second connecting layer 7, connecting the second connecting layer 7 with the second side part 22, placing the test strip 3 on the middle part 23, and enabling the test strip 3 to be tightly attached to the upper plate 4;
c. covering and adhering the covering film 5 on the first side 21, the test strip 3 and the upper plate 4 to obtain a test strip;
d. and cutting the test strip into required width by using a cutter.
Example 2:
a test strip as shown in FIGS. 2 to 3 comprises a base sheet 1, a first adhesive layer 6, a bibulous paper 2, a test strip 3, a second adhesive layer 7, an upper sheet 4 and a cover film 5. The test strip is selected from various test strips on the market.
The first connecting layer 6 is located between the absorbent paper 2 and the bottom plate 1, the absorbent paper 2 comprises a first side portion 21, a second side portion 22 and an intermediate portion 23 located between the first side portion 21 and the second side portion 22, the second connecting layer is located between the upper plate 4 and the second side portion 22, the test strip 3 is arranged on the intermediate portion 23, the test strip 3 is tightly attached to the upper plate 4, and the cover film 5 covers and is adhered to the first side portion 21, the test strip 3 and the upper plate 4.
The length ratio of the bottom plate 1 to the upper plate 4 is 2-2.5: 1. The length ratio selected in this example was 2.5:1
The length of the test strip 3 is 0.5-1.5 cm. The length chosen for this example is 0.5 cm.
The upper plate 4 is provided with an extension part 41 covering the test strip 3, and the length ratio of the test strip 3 to the extension part 41 is 3-5: 1. The length ratio of the selection of this embodiment is 3:1, and the thickness of extension is less than the upper plate, leaves certain space for inserting the test strip, and the extension has certain compliance simultaneously, can tightly fix the test strip when the cover film covers it, can avoid the change of test strip position, and convenient the test strip of inserting on the one hand under this proportion, and on the other hand avoids covering the test strip by a large scale and arouses that the extension has different pressures to the different positions of test strip and infiltration is inhomogeneous when leading to subsequent testing.
The first connecting layer and the second connecting layer are waterproof double-sided adhesive tapes, and glass beads are densely distributed in the first connecting layer and the second connecting layer. The double-sided adhesive tape which is not waterproof absorbs the sample, so that the sample amount needs to be increased, and the result is possibly inaccurate; the glass beads are densely distributed in the first connecting layer and the second connecting layer, so that on one hand, the phenomenon of breakage of a glue surface during extrusion can be avoided due to the fact that the glass beads are free of stress high concentration, the glue surface can be kept stable in subsequent use, the strength of the first connecting layer and the strength of the second connecting layer can be improved by another hair surface, deformation is not prone to generation, and inaccuracy of a subsequent test result caused by unbalanced stress generated due to deformation during extrusion is avoided.
A manufacturing method of test paper comprises the following steps:
a. taking a bottom plate connected with the first connecting layer 6, tearing off a diaphragm covered on the first connecting layer, and adhering the water-absorbing paper 2 on the first connecting layer 6;
b. taking the upper plate 4 connected with the second connecting layer 7, tearing off the membrane covered on the second connecting layer 7, connecting the second connecting layer 7 with the second side part 22, placing the test strip 3 on the middle part 23, and enabling the test strip 3 to be tightly attached to the upper plate 4; in this embodiment, a portion of the test strip is tucked into the extension.
c. Covering and adhering the covering film 5 on the first side 21, the test strip 3 and the upper plate 4 to obtain a test strip;
d. and cutting the test strip into required width by using a cutter.
In the step b, two ends of the test strip 3 parallel to the water absorption direction of the absorbent paper 2 are provided with adhesive strips for connecting the test strip 3 and the absorbent paper 2. The position of the absorbent paper is better fixed, and the position change is prevented when the covering film is covered. The adhesive strip also adopts waterproof double faced adhesive tape.
The width of the sticky strip is less than or equal to the width required in the step d. Therefore, when the subsequent cutter machine cuts the test strip, the two ends containing the sticky strip are very convenient to remove.
In step c, the cover film 5 is cut after covering and adhering the first side 21, the test strip 3, and the upper sheet 4.
Example 3:
a test strip as shown in FIGS. 1, 2, 4 and 5 comprises a bottom plate 1, a first connecting layer 6, a water absorbent paper 2, a test strip 3, a second connecting layer 7, an upper plate 4 and a cover film 5. The test strip is selected from various test strips on the market.
The first connecting layer 6 is located between the absorbent paper 2 and the bottom plate 1, the absorbent paper 2 comprises a first side portion 21, a second side portion 22 and an intermediate portion 23 located between the first side portion 21 and the second side portion 22, the second connecting layer is located between the upper plate 4 and the second side portion 22, the test strip 3 is arranged on the intermediate portion 23, the test strip 3 is tightly attached to the upper plate 4, and the cover film 5 covers and is adhered to the first side portion 21, the test strip 3 and the upper plate 4.
The length ratio of the bottom plate 1 to the upper plate 4 is 2-2.5: 1. The length ratio selected for this example was 2.25:1
The length of the test strip 3 is 0.5-1.5 cm. The length chosen for this example is 1.5 cm.
The first connecting layer and the second connecting layer are waterproof double-sided adhesive tapes, and glass beads are densely distributed in the first connecting layer and the second connecting layer.
A manufacturing method of test paper comprises the following steps:
a. taking a bottom plate connected with the first connecting layer 6, tearing off a diaphragm covered on the first connecting layer, and adhering the water-absorbing paper 2 on the first connecting layer 6;
b. taking the upper plate 4 connected with the second connecting layer 7, tearing off the membrane covered on the second connecting layer 7, connecting the second connecting layer 7 with the second side part 22, placing the test strip 3 on the middle part 23, and enabling the test strip 3 to be tightly attached to the upper plate 4;
c. covering and adhering the covering film 5 on the first side 21, the test strip 3 and the upper plate 4 to obtain a test strip;
d. and cutting the test strip into required width by using a cutter.
In the step b, two ends of the test strip 3 parallel to the water absorption direction of the absorbent paper 2 are provided with adhesive strips for connecting the test strip 3 and the absorbent paper 2. The position of the absorbent paper is better fixed, and the position change is prevented when the covering film is covered.
The width of the sticky strip is less than or equal to the width required in the step d. Therefore, when the subsequent cutter machine cuts the test strip, the two ends containing the sticky strip are very convenient to remove.
In step c, the cover film 5 is cut after covering and adhering the first side 21, the test strip 3, and the upper sheet 4.
In step a, the pasting device 8 is further included, the pasting device 8 comprises a base 81 for placing the bottom plate 1 and a roller 82, the roller 82 is provided with a paper winding part 821, the base 81 comprises a first groove 811 for allowing the roller 82 to roll and a second groove 812 which is arranged below the first groove 811 and accommodates the bottom plate 1, the base 81 is provided with a raised ring 813 surrounding the first groove 811, the raised ring 813 is provided with a limit sliding groove 8131 in the rolling direction of the roller 82, and the roller 82 is provided with a limit roller 822 corresponding to the limit sliding groove 8131. Can make paste ground level more level and smooth, even for when follow-up doing the test, can not lead to the test result inaccurate because of the problem of pasting of paper that absorbs water, this set of equipment is applicable to step c simultaneously, can use current pushing machine to promote the roller, can guarantee the stability of pressure when pasting like this.
The radius of the paper winding part is larger than or equal to the depth of the first groove. The situation that the water absorption paper cannot be pasted without using up can be avoided.
Example 4:
a test strip as shown in FIGS. 2, 3, 5 and 6 comprises a bottom plate 1, a first connecting layer 6, a bibulous paper 2, a test strip 3, a second connecting layer 7, an upper plate 4 and a cover film 5. The test strip is selected from various test strips on the market.
The first connecting layer 6 is located between the absorbent paper 2 and the bottom plate 1, the absorbent paper 2 comprises a first side portion 21, a second side portion 22 and an intermediate portion 23 located between the first side portion 21 and the second side portion 22, the second connecting layer is located between the upper plate 4 and the second side portion 22, the test strip 3 is arranged on the intermediate portion 23, the test strip 3 is tightly attached to the upper plate 4, and the cover film 5 covers and is adhered to the first side portion 21, the test strip 3 and the upper plate 4.
The length ratio of the bottom plate 1 to the upper plate 4 is 2-2.5: 1. The length ratio selected for this example was 2.25:1
The length of the test strip 3 is 0.5-1.5 cm. The length chosen for this example is 1.5 cm.
The upper plate 4 is provided with an extension part 41 covering the test strip 3, and the length ratio of the test strip 3 to the extension part 41 is 3-5: 1. The length ratio for this example is 4: 1.
The first connecting layer and the second connecting layer are waterproof double-sided adhesive tapes, and glass beads are densely distributed in the first connecting layer and the second connecting layer.
A manufacturing method of test paper comprises the following steps:
a. taking a bottom plate connected with the first connecting layer 6, tearing off a diaphragm covered on the first connecting layer, and adhering the water-absorbing paper 2 on the first connecting layer 6;
b. taking the upper plate 4 connected with the second connecting layer 7, tearing off the membrane covered on the second connecting layer 7, connecting the second connecting layer 7 with the second side part 22, placing the test strip 3 on the middle part 23, and enabling the test strip 3 to be tightly attached to the upper plate 4; in this embodiment, a portion of the test strip is tucked into the extension.
c. Covering and adhering the covering film 5 on the first side 21, the test strip 3 and the upper plate 4 to obtain a test strip;
d. and cutting the test strip into required width by using a cutter.
In the step b, two ends of the test strip 3 parallel to the water absorption direction of the absorbent paper 2 are provided with adhesive strips for connecting the test strip 3 and the absorbent paper 2.
The width of the sticky strip is less than or equal to the width required in the step d.
In step c, the cover film 5 is cut after covering and adhering the first side 21, the test strip 3, and the upper sheet 4.
In step a, the pasting device 8 is further included, the pasting device 8 comprises a base 81 for placing the bottom plate 1 and a roller 82, the roller 82 is provided with a paper winding part 821, the base 81 comprises a first groove 811 for allowing the roller 82 to roll and a second groove 812 which is arranged below the first groove 811 and accommodates the bottom plate 1, the base 81 is provided with a raised ring 813 surrounding the first groove 811, the raised ring 813 is provided with a limit sliding groove 8131 in the rolling direction of the roller 82, and the roller 82 is provided with a limit roller 822 corresponding to the limit sliding groove 8131.
The radius of the paper winding part is larger than or equal to the depth of the first groove.
The bottom of the limit chute 8131 is provided with a magnet 9. Have the iron plate etc. in the spacing gyro wheel and can produce the material of suction with magnet, because the use of absorbent paper can make whole roller lightness-reducing, when producing different test paper strips like this, can appear when pasting absorbent paper and lead to follow-up test to have certain difference because of the pressure difference, can move down when the roller lightness-reducing, set up magnet and can make the stronger suction of production when moving down for need not change and act on the epaxial power of roller and just can reach pressure equilibrium.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (7)
1. A manufacturing method of a test paper is characterized in that the test paper comprises: the test paper comprises a bottom layer plate (1), a first connecting layer (6), absorbent paper (2), a test strip (3), a second connecting layer (7), an upper layer plate (4) and a covering film (5); the first connecting layer (6) is positioned between the absorbent paper (2) and the bottom plate (1), the absorbent paper (2) comprises a first side portion (21), a second side portion (22) and an intermediate portion (23) positioned between the first side portion (21) and the second side portion (22), the second connecting layer is positioned between the upper plate (4) and the second side portion (22), the intermediate portion (23) is provided with a test strip (3), the test strip (3) is tightly attached to the upper plate (4), and the cover film (5) covers and is adhered to the first side portion (21), the test strip (3) and the upper plate (4);
the detection test paper is prepared by the following steps:
a) taking the bottom plate connected with the first connecting layer (6), tearing off the diaphragm covered on the first connecting layer, and adhering the absorbent paper (2) on the first connecting layer (6); in the step a), the laminating machine further comprises a laminating device (8), the laminating device (8) comprises a base (81) and a roller shaft (82) for placing the bottom plate (1), the roller shaft (82) is provided with a paper winding part (821), the base (81) comprises a first groove (811) for allowing the roller shaft (82) to roll and a second groove (812) which is arranged below the first groove (811) and accommodates the bottom plate (1), the base (81) is provided with a raised ring (813) surrounding the first groove (811), the raised ring (813) is provided with a limiting sliding groove (8131) in the rolling direction of the roller shaft (82), and the roller shaft (82) is provided with a limiting roller (822) corresponding to the limiting sliding groove (8131); a magnet (9) is arranged at the bottom of the limiting chute (8131);
b) -taking the upper plate (4) connected to the second connection layer (7), tearing off the membrane covering the second connection layer (7), connecting the second connection layer (7) to the second lateral portion (22), placing the test strip (3) on the intermediate portion (23), the test strip (3) being applied against the upper plate (4);
c) covering and adhering the covering film (5) on the first side part (21), the test strip (3) and the upper plate (4) to obtain the test strip;
d) and cutting the test strip into required width by using a cutter.
2. The method of claim 1, wherein the test strip is produced by: the length ratio of the bottom layer plate (1) to the upper layer plate (4) is 2-2.5: 1.
3. The method of claim 1, wherein the test strip is produced by: the length of the test strip (3) is 0.5-1.5 cm.
4. The method of manufacturing a test strip according to claim 1 or 3, wherein: the upper plate (4) is provided with an extension part (41) covering the test strip (3), and the length ratio of the test strip (3) to the extension part (41) is 3-5: 1.
5. The method of claim 1, wherein the test strip is produced by: in the step b), two ends of the test strip (3) parallel to the water absorption direction of the absorbent paper (2) are provided with adhesive strips for connecting the test strip (3) and the absorbent paper (2).
6. The method of claim 5, wherein the test strip is made of a material selected from the group consisting of: the width of the sticky strip is less than or equal to the width required in the step d).
7. The method of claim 1, wherein the test strip is produced by: in step c), trimming is performed after the cover film (5) is covered and adhered on the first side (21), the test strip (3) and the upper plate (4).
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| CN1871513A (en) * | 2003-09-23 | 2006-11-29 | 香港澳维有限公司 | Lateral flow assay devices and methods of use |
| CN201673154U (en) * | 2010-04-30 | 2010-12-15 | 艾康生物技术(杭州)有限公司 | Detection apparatus |
| CN106290880A (en) * | 2015-05-27 | 2017-01-04 | 徐州雷森生物科技有限公司 | A kind of reagent composition for immunochromatography for canine coronavirus and detection method |
| CN106526160A (en) * | 2015-09-14 | 2017-03-22 | 艾博生物医药(杭州)有限公司 | Stretching apparatus as well as equipment and method for assembling test strips |
| CN207067143U (en) * | 2017-08-31 | 2018-03-02 | 马鞍山国声生物技术有限公司 | A kind of gold bar sticker of whole blood test test paper |
| CN107860917A (en) * | 2017-11-11 | 2018-03-30 | 贾晓轻 | Immunochromatography diagnosis test paper and kit |
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