CN203981685U - A kind of immunological detecting kit of tetracycline - Google Patents

A kind of immunological detecting kit of tetracycline Download PDF

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Publication number
CN203981685U
CN203981685U CN201420336227.9U CN201420336227U CN203981685U CN 203981685 U CN203981685 U CN 203981685U CN 201420336227 U CN201420336227 U CN 201420336227U CN 203981685 U CN203981685 U CN 203981685U
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China
Prior art keywords
tetracycline
box body
bottle
grooves
dilution
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Expired - Fee Related
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CN201420336227.9U
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Chinese (zh)
Inventor
姜金庆
李桂平
马金友
王毅红
刘耀东
郭芳
吴宁鹏
杨英军
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HENAN ZHIWEI BIOLOGICAL ENGINEERING CO LTD
Henan Institute of Science and Technology
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HENAN ZHIWEI BIOLOGICAL ENGINEERING CO LTD
Henan Institute of Science and Technology
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Priority to CN201420336227.9U priority Critical patent/CN203981685U/en
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  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
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Abstract

The utility model discloses a kind of immunological detecting kit of tetracycline.Kit comprises box body, lid, is arranged at fixed seat at bottom and top holder in box body, on described fixed seat at bottom, there is the recessed bottle of various reagent bottles position, be used for placing tetracycline antibody working fluid, ELIAS secondary antibody working fluid, nitrite ion, stop buffer, concentrated cleaning solution, tetracycline titer, matrix dilution and Tween-20 reserve liquid, on described top holder, there are various draw-in grooves or groove, for placing ELISA Plate, capillary strip, suction pipe, colorimetric card and pH test paper.This utility model adopts indirect competitive ELISA method to carry out the qualitative and quantitative analysis of tetracycline content, has the advantages such as simple to operate, highly sensitive, with low cost, is applicable to the field quick detection of batch samples.

Description

A kind of immunological detecting kit of tetracycline
Technical field
The utility model relates to the detection kit in a kind of medicine bioengineering field, is specifically related to a kind of immunological detecting kit for working sample solution tetracycline residual content.
Background technology
Tetracycline medication (Tetracycline, TCs) be the class alkalescence broad-spectrum antibiotic being produced by streptomycete, in chemical constitution, belong to the derivant of many ring aphthacene Carboxylamide parent nucleus, comprise aureomycin, terramycin, tetracycline and demethylchlortetra cylinum, and semisynthetic Doxycycline and minocycline etc.Such medicine can be combined with the A position of bacterial ribosome 30S subunit specifically, stop aminoacyl-tRNA in this locational connection, thereby suppress peptide chain growth, affect bacterioprotein synthesize.Tetracycline medication is mainly used in the non-bacterial infections such as Li Keshi body, Chlamydia, mycoplasma and Spirochaeta recurrentis, and treats the multi-infection disease at the positions such as responsive microbial respiratory tract, biliary tract, urinary tract and skin soft tissue.In Production of Livestock and Poultry, tetracycline medication is extensively used as medicine and medicated premix, for preventing and treating infection of digestive canal, promote growth and improving milk production of cow.
Along with TCs quilt is a large amount of, be widely used in livestock culture industry, its food residue causing brings great potential safety hazard to human physical and mental health.People takes in TCs for a long time can cause the various chronic and property accumulated diseases, main manifestations is the infringement to stomach, intestines, liver, and the dyeing of tooth, also can cause allergic reaction, suprainfection, teratogenesis tire etc., also can cause the imbalance of colony balance and the generation of antibody-resistant bacterium in human body intestinal canal simultaneously.Therefore, countries in the world are extremely paid close attention to TCs residue detection.Japan requires telracycline family residual quantity in import livestock and poultry meat must not exceed 0.05mg/kg, Australia's regulation Tetracyclines total amount must not be greater than 0.3mg/kg, European Union's uniform limit is 0.01mg/kg, the regulation TCs of united states drug Surveillance Authority residual total amount in animal muscle tissue is no more than 0.02mg/kg, is 0.3mg/kg in milk.The Ministry of Agriculture of China has revised " animal food herbal medicine maximum residue limit(MRL) " in 2002, wherein in regulation ox/goat milk and all animal muscles, the high residue amount of TCs is 0.1mg/kg, also has a phase limes reacting dose regulation to tetracycline in animal's liver, kidney, egg is residual.
In food, teracycline antibiotic residues detection method has high performance liquid chromatography, capillary electrophoresis, electrochemical analysis, chemiluminescence and Liquid Chromatography-Mass Spectrometry etc., these methods require high to the pre-treatment of testing sample, and operate loaded down with trivial detailsly, need accurate instrument and equipment.And the feature such as that immunological method has is quick, sensitive, high specificity is one of effective ways of detection of veterinary drugs in food.Therefore, develop quick, sensitive, efficient tetracycline residue detection indirect competitive ELISA kit for ensureing that animal food safety tool is of great significance.
Summary of the invention
The purpose of this utility model has been to provide a kind of immunological detecting kit of tetracycline of small volume and less weight, uses this kit easy and simple to handle, highly sensitive, cost is low, good stability, can carry out the mensuration of tetracycline content in the multiple samples of one-time continuous, has reduced the needed time of sample detection.
The technical solution of the utility model is:
A kind of immunological detecting kit of tetracycline, comprise box body and be connected in the lid on box body, the lid of opening one side with on box body, be respectively equipped with corresponding lid dop and box body draw-in groove, it is characterized in that: described box body inside is provided with top holder and fixed seat at bottom from top to bottom successively, and wherein fixed seat at bottom is divided into A by bottom interval, B two parts, A part is provided with 7 the recessed bottle of reagent bottle positions, and B part is provided with 5 the recessed bottle of reagent bottle positions, in the recessed bottle of 7 reagent bottles position of A part, is placed with respectively tetracycline antibody working fluid, ELIAS secondary antibody working fluid, developer A liquid, developer B liquid, stop buffer, concentrated cleaning solution and tetracycline titer, be placed with respectively muscle dilution in the recessed bottle of 5 reagent bottles position of B part, liver dilution, milk dilution, feed dilution and Tween-20 reserve liquid, described top holder is divided into A by handle, B two parts, A part is provided with 2 draw-in grooves, and B part is provided with 6 grooves, is placed with respectively 96 hole ELISA Plate and enzyme mark reaction capillary strip in 2 draw-in grooves of A part, in 6 grooves of B part, is placed with respectively 1.0mL suction pipe, 100 μ L micro pipettes, 60 μ L micro pipettes, 50 μ L micro pipettes, colorimetric card and pH test paper are placed with matrix typical curve and instructions above top holder B part.
Described ELISA Plate is made up of polystyrene, adopt 96 hole agent plate as solid phase carrier, be put in aluminide-coating bag, and be placed in ELISA Plate draw-in groove, and ELISA Plate is made up of outer frame support and the dismantled and assembled enzyme mark reaction capillary strip being placed on it, each dismantled and assembled enzyme mark reaction capillary strip has 12 reacting holes, pre-coated tetracycline coupled antigen on it.
The beneficial effects of the utility model are: the required instrument of kit is less, and operation is simple, and can be fast, accurately, in bulk for sample solution tetracycline content quantitatively, qualitative detection.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model, and Fig. 2 is the structural representation of fixed seat at bottom in the utility model, and Fig. 3 is the structural representation of top holder in the utility model.
Drawing explanation: 1, box body, 2, lid, 3, fixed seat at bottom, 4, top holder, 5, box body draw-in groove, 6, lid dop, 7, base interval, 8, tetracycline antibody working fluid bottle position, 9, ELIAS secondary antibody working fluid bottle position, 10, developer A liquid bottle position, 11, developer B liquid bottle position, 12, stop buffer bottle position, 13, concentrated cleaning solution bottle position, 14, tetracycline titer bottle position, 15, muscle dilution bottle position, 16, liver dilution bottle position, 17, milk dilution bottle position, 18, feed dilution bottle position, 19, Tween-20 reserve liquid bottle position, 20, handle, 21, ELISA Plate draw-in groove, 22, enzyme mark reaction capillary strip draw-in groove, 23, 1.0ml suction pipe groove, 24, 100 μ l micro pipette grooves, 25, 60 μ l micro pipette grooves, 26, 50 μ l micro pipette grooves, 27, colorimetric card groove, 28, pH test paper groove.
Embodiment
Describe by reference to the accompanying drawings embodiment in detail.An immunological detecting kit for tetracycline, comprises box body 1, lid 2, fixed seat at bottom 3 and top holder 4 in box body 1 is set, and on described box body 1, has box body draw-in groove 5, corresponding with the lid dop 6 on lid 2, for switch kit.
Described fixed seat at bottom 3 is divided into A, B two parts by bottom interval 7, and A part is provided with 7 the recessed bottle of reagent bottle positions, and B part is provided with 5 the recessed bottle of reagent bottle positions.A part tetracycline antibody working fluid bottle position 8 is placed with the 6ml tetracycline antibody working fluid of white plastic reagent bottle encapsulation, ELIAS secondary antibody working fluid bottle position 9 is placed with the anti-mouse ELIAS secondary antibody of 6ml rabbit (RaMIgG-HRP) of red plastic reagent bottle encapsulation, developer A liquid bottle position 10 is placed with the 4ml substrate developer A liquid of black plastic reagent bottle encapsulation, developer B liquid bottle position 11 is placed with the 4ml substrate developer B liquid of green plastic reagent bottle encapsulation, stop buffer bottle position 12 is placed with the 7ml 2M sulfuric acid solution of yellow plastic reagent bottle encapsulation, concentrated cleaning solution bottle position 13 is placed with the 40ml concentrated cleaning solution (10 ×) of translucent plastic reagent bottle encapsulation, tetracycline titer bottle position 14 is placed with the 2ml tetracycline standard solution (1mg/ml) of white transparent plastic reagent bottle encapsulation.B part muscle dilution bottle position 15 is placed with the 50ml muscle samples dilution of the translucent plastic reagent bottle encapsulation of red cap, liver dilution bottle position 16 is placed with the 50ml liver sample diluting liquid of the translucent plastic reagent bottle encapsulation of yellow cap, milk dilution bottle position 17 is placed with the 20ml milk sample dilution of the translucent plastic reagent bottle encapsulation of white cap, feed dilution bottle position 18 is placed with the 20ml Feed Sample dilution of the translucent plastic reagent bottle encapsulation of grey cap, Tween-20 reserve liquid bottle position 19 is placed with the 3ml Tween-20 surfactant of the black plastic reagent bottle encapsulation of black caps.
Described top holder 4 is divided into A, B two parts by handle 20, and A part is provided with 2 draw-in grooves, and B part is provided with 6 grooves.The ELISA Plate draw-in groove 21 of A part is placed an ELISA Plate of being made up of polystyrene, adopt 96 hole agent plate as solid phase carrier, be put in aluminide-coating bag, and ELISA Plate is made up of outer frame support and the dismantled and assembled enzyme mark reaction capillary strip being placed on it, each dismantled and assembled enzyme mark reaction capillary strip has 12 reacting holes, pre-coated tetracycline coupled antigen on it, enzyme mark reaction capillary strip draw-in groove 22 is placed with 24-36 bar enzyme mark reaction in bulk capillary strip, when use, be arranged on the outer frame support of ELISA Plate, make kit measurement capacity expand 2-3 doubly.The 1.0ml suction pipe groove 23 of B part is placed with the suction pipe of 50 1.0ml capacity, for the sampling of sample substrate, 100 μ l micro pipette grooves 24 are placed with the micro pipette of 50 100 μ l capacity, be used for adding stop buffer, 60 μ l micro pipette grooves 25 are placed with the micro pipette of 50 60 μ l capacity, be used for adding chromogenic reagent solution, 50 μ l micro pipette grooves 26 are placed with the micro pipette of 50 50 μ l capacity, be used for adding tetracycline antibody working fluid and ELIAS secondary antibody working fluid, colorimetric card groove 27 is placed with the colorimetric card under different substrates condition, show corresponding absorbance and the tetracycline residual content of different colours reagent wells, for the general reckoning of sample size, pH test paper groove 28 is placed different types of pH test paper, be used for measuring the pH value of different solutions.The surface of B part groove is also placed with matrix typical curve and instructions, the absorbance substitution typical curve that microplate reader is measured, can Accurate Determining sample solution in tetracycline residual content.
Tetracycline assay in animal Edible tissues:
1) Sample pretreatment: take in chopping, the sample 1.0 ± 0.05g to 5ml of animal tissue centrifuge tube after homogeneous, add the Mcllvaine-EDTA sample extracting solution of 2ml pH4.0, whirlpool mixes 3~5min, the centrifugal 5min of 4000r/min under room temperature; Pipette 1ml supernatant in 5ml centrifuge tube, add 50 μ l 4mol/L NaOH, vibration mixes; Add again 1ml normal hexane, whirlpool mixing 30s; Leave standstill after 5min layering, draw at least 100 μ l lower floor solution and mix rear to be checked with equal-volume PBS damping fluid.
2) operation steps of kit: 1. required reagent is taken out from cold storage environment, more than being placed in equilibrium at room temperature 20min, note must shaking up before every kind of liquid reagent uses; 2. take out the capillary strip of requirement, no capillary strip is put in former Fresco Bag and together with the drying agent providing and resealed, be stored in 2-8 DEG C; 3. numbering: corresponding sample micropore is numbered according to the order of sequence, and it is parallel that each sample does 2 holes, and record the position at sample well place; 4. add sample: add sample 50 μ l in corresponding micropore, add immediately ELIAS secondary antibody working fluid 50 μ l/holes, then add tetracycline antibody working fluid 50 μ l/holes, vibration mixes gently, puts in 37 DEG C of lucifuge environment and reacts 30min; 5. wash plate: liquid in hole is dried, with wash operating solution 300 μ l/ holes, fully wash 5 times, every minor tick 10s, pats dry with thieving paper; 6. colour developing: (l), vibration mixes each 30 μ of A liquid and B liquid gently, puts 37 DEG C of lucifuge environment reaction 15-20min to add substrate chromogenic reagent solution 60 μ l/ holes; 7. measure: add stop buffer 100 μ l/ holes, vibration mixes gently, sets microplate reader in 450nm place, measures every hole absorbance.
3) tetracycline content in working sample solution:
1. qualitative determination: after substrate colour developing 15-20min, by the blue sample well depth and colorimetric card contrast, obtain the residual approximate content of tetracycline in different sample substrates.
2. quantitative measurement: add behind stop buffer 100 μ l/ holes, the absorbance substitution typical curve that microplate reader is measured, can Accurate Determining sample solution in tetracycline residual content.

Claims (2)

1. the immunological detecting kit of a tetracycline, comprise box body and be connected in the lid on box body, the lid of opening one side with on box body, be respectively equipped with corresponding lid dop and box body draw-in groove, it is characterized in that: described box body inside is provided with top holder and fixed seat at bottom from top to bottom successively, and wherein fixed seat at bottom is divided into A by bottom interval, B two parts, A part is provided with 7 the recessed bottle of reagent bottle positions, and B part is provided with 5 the recessed bottle of reagent bottle positions, in the recessed bottle of 7 reagent bottles position of A part, is placed with respectively tetracycline antibody working fluid, ELIAS secondary antibody working fluid, developer A liquid, developer B liquid, stop buffer, concentrated cleaning solution and tetracycline titer, be placed with respectively muscle dilution in the recessed bottle of 5 reagent bottles position of B part, liver dilution, milk dilution, feed dilution and Tween-20 reserve liquid, described top holder is divided into A by handle, B two parts, A part is provided with 2 draw-in grooves, and B part is provided with 6 grooves, is placed with respectively 96 hole ELISA Plate and enzyme mark reaction capillary strip in 2 draw-in grooves of A part, in 6 grooves of B part, is placed with respectively 1.0mL suction pipe, 100 μ L micro pipettes, 60 μ L micro pipettes, 50 μ L micro pipettes, colorimetric card and pH test paper are placed with matrix typical curve and instructions above top holder B part.
2. the immunological detecting kit of tetracycline according to claim 1, it is characterized in that: described ELISA Plate is made up of polystyrene, adopt 96 hole agent plate as solid phase carrier, be put in aluminide-coating bag, and be placed in ELISA Plate draw-in groove, and ELISA Plate is made up of outer frame support and the dismantled and assembled enzyme mark reaction capillary strip being placed on it, and each dismantled and assembled enzyme mark reaction capillary strip has 12 reacting holes, pre-coated tetracycline coupled antigen on it.
CN201420336227.9U 2014-06-23 2014-06-23 A kind of immunological detecting kit of tetracycline Expired - Fee Related CN203981685U (en)

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CN201420336227.9U CN203981685U (en) 2014-06-23 2014-06-23 A kind of immunological detecting kit of tetracycline

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Application Number Priority Date Filing Date Title
CN201420336227.9U CN203981685U (en) 2014-06-23 2014-06-23 A kind of immunological detecting kit of tetracycline

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106771263A (en) * 2016-12-01 2017-05-31 无锡艾科瑞思产品设计与研究有限公司 Methyltestosterone detection method and kit in a kind of chicken

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106771263A (en) * 2016-12-01 2017-05-31 无锡艾科瑞思产品设计与研究有限公司 Methyltestosterone detection method and kit in a kind of chicken

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20141203