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Green Spring Gentamicin rapid test dipstick (milk)
Catalog No. LSY-20043
1. Brief
This product is used for testing Gentamicin residue in milk sample(pure milk and fresh milk) and goat milk qualitatively, the whole test procedure only need 6min, easy to operate with high sensitivity.
2. Detection limit in milk
2~3 ppb(ug/kg)
3. Principle
The Gentamicin rapid test dipstick is based on competitive inhibition immuno-chromatographic principle. In the flow process, Gentamicin in the sample combined with Gentamicin specific colloidal gold-labeled monoclonal antibody, Inhibit the combination between antibody and Gentamicin -BSA conjugate on Test line of NC membrane, lead to the color change of Test line.
4. Contents
1 | Gentamicin test dipsticks | 8 dipsticks/bottle, 12 bottles |
2 | Red powder micro-wells | 96 wells |
3 | Manual | 1 piece |
4 | Desiccant | 2 pieces/bottle |
5. Operation procedures
5.1 Read the instruction carefully before use. Return test dipsticks and sample into room temperature.
5.2 Take bottles needed from the kit package, take out required micro-wells and dipsticks, making proper marks. Please use these test dipsticks within 1h. Seal the cap of the bottles, avoid moisture.
5.3 Take 200ul of the test samples into the micro-wells, then repeatedly absorb for 5 times, mix the sample with the reagent in the micro-wells completely until no solid judge by eyes (this is a very important step).
5.4 Incubate for 3min at (40±2℃), then insert the test dipsticks into the micro-wells with the "MAX" end fully dipped in to the mixture solution.
5.5 Incubate for 3min again, read the result, it is invalid in other time.
6.Test Result Interpretation
Color depth comparison of T line and C line | Result judgment | Result analysis |
T line > C line | Negative | Gentamicin residue is lower than detection limit in sample |
T line = C line | Weak positive | Gentamicin antibiotic residue is equal to detection limit in sample |
T line < C line or T line is invisible | Positive | Gentamicin antibiotic residue is higher than detection limit in sample |
C line is invisible | Invalid | The test dipstick is invalid, test again |

7. Precautions
1) This product is suitable for pure milk of cattle and sheep and raw milk.
2) Test dipsticks and micro-wells are disposable,do not use test dipsticks out of date.
3) Please seal the bottle after taking out required test dipsticks. If can not use all 8 microwells at once, cup the rest and put it back to bottle and sealed.
4) Do not touch the white membrane surface in the middle of test dipsticks, avoid sunlight and fan blowing directly.
5) Milk samples should be fully liquid without any agglomeration, sour and precipitation. Stir milk sample to even before test.
6) Test again for positive results.
7) Please contact the supplier for any questions.
8) The results of this test if for reference only, to confirm, please refer to National standard.
8. Specificity
Test 500ppb Tetracyclines, Sulfonamides, Quinolone etc.the result is Negative.
9. Storage and expiry date
Storage: Store at 2-8 ℃ in dark, sealed, dry place, no frozen.
Expiry date: 12 months; date of production is on box.
Part of our Rapid test kits for antibiotic residues
| Product Code | Product Name | Spec | Sensitivity (ppb) | Sample Performance |
| LSY-20004 | Chloramphenicol rapid test strips | 96 test/kit | 0.1 | Honey, tissue, milk, urine,egg |
| LSY-20005-2 | Malachite green rapid test strips | 10 test/kit | 1 | Tissue |
| LSY-20079 | Florfenicol rapid test strip | 96 test/kit | 50 | Milk, goat milk, tissue, egg |
| LSY-20040 | Sulfonamides (SAs) Rapid Test strips | 96 test/kit | 0.5~60 | Milk, honey,tissue,egg |
| LSY-20008 | Sulfanethazine rapid test card | 96 test/kit | 3~5 | Milk, honey,tissue,egg |
| LSY-20041 | Neomycin rapid test strip | 96 test/kit | 5~10 | Milk,goat milk |
| LSY-20042 | Streptomycin rapid test strip | 96 test/kit | 5~15 | Milk,goat milk |
| LSY-20043 | Gentamicin rapid test strip | 96 test/kit | 1 | Milk, honey, tissue, urine |
| LSY-20044 | Beta-lactams rapid test strip | 96 test/kit | 2~100 | Milk,goat milk |
| LSY-20045 | β-lactamase rapid test strip | 96 test/kit | 0.75U-2U | Milk,goat milk |
| LSY-20082 | Beta-lactams and Tetracyclines Combo rapid test strip | 96 test/kit | 2-100/10-15 | Milk,goat milk |
| LSY-20101 | Beta-lactams, Tetracyclines, Streptomycin and Chloramphenicol Combo rapid test strip | 96 test/kit | 2-100/5-20/15-25/0.3 | Milk,goat milk |
| LSY-20102 | Lincomycin, Tylosin and Erythromycin Combo rapid test strip | 96 test/kit | 1~2/3~5/3~5 | Milk,goat milk |
| LSY-20103 | Beta-lactams, Tetracyclines and Sulfonamides Combo rapid test strip | 96 test/kit | 2~100/5~10/2~60 | Milk,goat milk |
| LSY-20104 | Beta-lactams, Tetracyclines, Sulfonamides and Quinolones Combo rapid test strip | 96 test/kit | 2~100/2~60/2~8/5~10 | Milk,goat milk |
| LSY-20105 | Beta-lactams, Tetracyclines, Melamine and Cephalexin Combo rapid test strip | 96 test/kit | 2~100/10~20/10~15/10~15 | Milk,goat milk |
| LSY-20106 | Florfenicol, Chloramphenicol and Thiamphenicol Combo rapid test strip | 96 test/kit | 0.2~0.3/0.07~0.1/0.3~0.5 | Milk,goat milk |
| LSY-20107 | Streptomycin, Gentamicin and Kanamycin Combo rapid test strip | 96 test/kit | 5-10/10-15/3~5/3~5 | Milk,goat milk |
| LSY-20108 | Streptomycin, Gentamicin and Neomycin Combo rapid test strip | 96 test/kit | 5-10/10-15/3~5/5~10 | Milk,goat milk |
| LSY-20111 | Tetracyclines,Gentamicin and Quinolones Combo rapid test strip | 96 test/kit | 10-20/3-5/2-8 | Milk,goat milk |
| LSY-20112 | Tylosin-Tilmicosin Combo rapid test strip | 96 test/kit | 2-3/3-5 | Milk,goat milk |
| LSY-20095 | Beta-Lactams and Cephalexin Combo rapid test strip | 96 test/kit | 2~100 | Milk,goat milk |
| LSY-20046 | Tetracycline rapid test strip | 96 test/kit | 5~20 | Honey, egg, milk, tissue |
| LSY-20083 | Oxytetracyline rapid test strip | 96 test/kit | 10~15 | Honey, egg, milk, tissue |
| LSY-20047 | Quinolone rapid test strip Fluoroquinolone rapid test strip | 96 test/kit | 3~30 | Honey, egg, tissue, Milk |
| LSY-20067 | Enrofloxacin Rapid test strip | 96 test/kit | 1~2 | Milk, tissue |
| LSY-20068 | Penicillin Rapid Test strips | 96 test/kit | 2~4 | Milk,goat milk |
| LSY-20048 | Lincomycin rapid test strip | 96 test/kit | 2~3 | Milk,goat milk |
| LSY-20049 | Kanamycin rapid test strip | 96 test/kit | 3~5 | Milk,goat milk |
| LSY-20093 | Spectinomycin rapid test strip | 96 test/kit | 30 | Milk ,goat milk |
| LSY-20097 | Tylosin rapid test strip | 96 test/kit | 3~5 | Milk, goat milk |
| LSY-20098 | Erythromycin rapid test strip | 96 test/kit | 3~5 | Milk,goat milk |
| LSY-20099 | Thiamphenicol rapid test strip | 96 test/kit | 0.3~0.5 | Milk,goat milk |
| LSY-20100 | Tilmicosin rapid test strip | 96 test/kit | 2~3 | Milk, goat milk |
| LSY-20114 | Trimethoprim rapid test strip | 96 test/kit | 5 | Tissue |
| LSY-20050 | Nitrofuran(AMOZ) rapid test strip | 96 test/kit | 0.5 | Tissue,honey, egg, milk |
| LSY-20051 | Nitrofuran(AOZ) rapid test strip | 96 test/kit | 0.5 | Tissue,honey, egg, milk |
| LSY-20052 | Nitrofuran(AHD) rapid test strip | 96 test/kit | 0.5 | Tissue,honey, egg, milk |
| LSY-20053 | Nitrofuran(SEM) rapid test strip | 96 test/kit | 0.5 | Tissue,honey, egg, milk |
ISO9001:2015 Certificate

We are Shenzhen Lvshiyuan Biotechnology Co.,Ltd (www.lsybt.com), professional manufacturer and exporterof the most advanced Food Safety ELISA test kit(e.g. Nitrofuran (AMOZ, AOZ, AHD, SEM) ELISA kit, Clenbuterol ,Ractopamine ELISA kit), Animal Disease Diagnostic kits(e.g. Swine FMD lgG Distinguish kit,PRRS,PRV ELISA kit, NDV,IB,IBD ELISA kit),small molecule antigen and antibodies, gene recombination antigen and antibodies, etc.
Our advantages at the Diagnostic kits/ ELISA test kits field are as following:
* ISO9001&ISO13485 certificated company
* Own a high-quality R&D team with many years of experience on bio-diagnostic field.
* Professional manufacturer of ELISA test kits, offer OEM service.
*At present, our products have been exported to over 40 countries, such as United States, Belgium, France, Korea, Germany, Singapore etc.
*Delivery time: 1-3 days after confirmation by FedEx,EMS or other cheaper ways.




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