奶牛支原體（mycoplasma）酶聯(lián)免疫分析
試劑盒使用說明書
本試劑盒僅供研究使用。
96T
使用目的：
本試劑盒用于測定奶牛血清、血漿及相關液體樣本中支原體（mycoplasma）表達。
實驗原理
本試劑盒應用雙抗體夾心法測定標本中奶牛支原體（mycoplasma）表達。用純化的奶牛支原體（mycoplasma）抗體包被微孔板，制成固相抗體，可與樣品中支原體（mycoplasma）相結合，經(jīng)洗滌除去未結合的抗原和其他成分后再與HRP標記的支原體（mycoplasma）抗體結合，形成抗體-抗原-酶標抗體復合物，經(jīng)過*洗滌后加底物TMB顯色。TMB在HRP酶的催化下轉化成藍色，并在酸的作用下轉化成zui終的黃色。用酶標儀在450nm波長下測定吸光度（OD值），與CUTOFF值相比較，從而判定標本中奶牛支原體（mycoplasma）的存在與否。
試劑盒組成
| 1 | 30倍濃縮洗滌液 | 20ml×1瓶 | 7 | 終止液 | 6ml×1瓶 |
| 2 | 酶標試劑 | 6ml×1瓶 | 8 | 陽性對照 | 0.5ml×1瓶 |
| 3 | 酶標包被板 | 12孔×8條 | 9 | 陰性對照 | 0.5ml×1瓶 |
| 4 | 樣品稀釋液 | 6ml×1瓶 | 10 | 說明書 | 1份 |
| 5 | 顯色劑A液 | 6ml×1瓶 | 11 | 封板膜 | 2張 |
| 6 | 顯色劑B液 | 6ml×1/瓶 | 12 | 密封袋 | 1個 |
標本要求
1．標本采集后盡早進行提取，提取按相關文獻進行，提取后應盡快進行實驗。若不能馬上進行試驗，可將標本放于-20℃保存，但應避免反復凍融
2．不能檢測含NaN3的樣品，因NaN3抑制辣根過氧化物酶的（HRP）活性。
操作步驟
1. 編號：將樣品對應微孔按序編號，每板應設陰性對照2孔、陽性對照2孔、空白對照1孔（空白對照孔不加樣品及酶標試劑，其余各步操作相同）
2. 加樣：分別在陰、陽性對照孔中加入陰性對照、陽性對照50μl。然后在待測樣品孔先加樣品稀釋液40μl，然后再加待測樣品10μl。加樣將樣品加于酶標板孔底部，盡量不觸及孔壁，輕輕晃動混勻，
3. 溫育：用封板膜封板后置37℃溫育30分鐘。
4. 配液：將30倍濃縮洗滌液用蒸餾水30倍稀釋后備用
5. 洗滌：小心揭掉封板膜，棄去液體，甩干，每孔加滿洗滌液，靜置30秒后棄去，如此重復5次，拍干。
6. 加酶：每孔加入酶標試劑50μl，空白孔除外。
7. 溫育：操作同3。
8. 洗滌：操作同5。
9. 顯色：每孔先加入顯色劑A50μl，再加入顯色劑B50μl，輕輕震蕩混勻，37℃避光顯色15分鐘.
10. 終止：每孔加終止液50μl，終止反應（此時藍色立轉黃色）。
11. 測定：以空白空調(diào)零，450nm波長依序測量各孔的吸光度（OD值）。 測定應在加終止液后15分鐘以內(nèi)進行。
計算和結果判定：
試驗有效性：陽性對照孔平均值≥1.00; 陰性對照平均值≤0.10
臨界值（CUT OFF）計算：臨界值=陰性對照孔平均值+0.15
陰性判定：樣品OD值< 臨界值（CUT OFF）者為奶牛支原體（mycoplasma）陰性
陽性判定：樣品OD值≥ 臨界值（CUT OFF）者為奶牛支原體（mycoplasma）陽性
。
注意事項
1．操作嚴格按照說明書進行，本試劑不同批號組分不得混用。
2．試劑盒從冷藏環(huán)境中取出應在室溫平衡15-30分鐘后方可使用，酶標包被板開封后如未用完，板條應裝入密封袋中保存。
3．濃洗滌液可能會有結晶析出，稀釋時可在水浴中加溫助溶，洗滌時不影響結果。
4． 封板膜只限一次性使用，以避免交叉污染。
5．底物請避光保存。
6．試驗結果判定必須以酶標儀讀數(shù)為準，使用雙波長檢測時，參考波長為630nm
7．所有樣品，洗滌液和各種廢棄物都應按傳染物處理。終止液為2M的硫酸，使用時必須注意安全。
保存條件及有效期
1．試劑盒保存：；2-8℃。
2．有效期：6個月
Milk cow mycoplasma
FOR RESEARCH USE ONLY
96 determinations
Purpose
This kit allows for the determination of mycoplasma concentrations in milk cow serum, and other biological fluids.
Principle of the assay
The kit assay mycoplasma level in the sample，use Purified mycoplasma antibody to coat microtiter plate wells, make solid-phase antibody, then add mycoplasma to wells, Combined With mycoplasma, after washing and removing non-combinative antibody and other components ,then Combined mycoplasma antibody which with HRP labeled become antibody – antigen - enzyme- antibody complex, after washing Compley, Add TMB substrate solution,, TMB substrate becomes blue color At HRP enzyme-catalyzed, reaction is terminated by the addition of a sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450 nm. Compared with the CUTOFF value, according to this to judge mycoplasma exist in the sample or not.
Materials provided with the kit
| 1 | wash solution | 20ml×1bottle | 7 | Stopp Solution | 6ml×1 bottle |
| 2 | HRP-Conjugate reagent | 6ml×1 bottle | 8 | Positive control | 0.5ml×1 bottle |
| 3 | Microelisa stripplate | 12well×8strips | 9 | Negative control | 0.5ml×1bottle |
| 4 | Sample diluent | 6ml×1 bottle | 10 | Instruction | 1 |
| 5 | Chromogen Solution A | 6ml×1 bottle | 11 | Closure plate membrane | 2 |
| 6 | Chromogen Solution B | 6ml×1 bottle | 12 | Sealed bags | 1 |
Specimen requirements
1. extract as soon as possible after Specimen collection,and according to the relevant literature, and should be experiment as soon as possible after the extraction. If it can’t, specimen can be kept in -20 ℃ to preserve, Avoid repeated freeze-thaw cycles.
2. Can’t detect the sample which contain NaN3, because NaN3 inhibits HRP active.
Assay procedure
1.Number: to sample correspond microtitration well and Number Sequence, each plate should be set feminine comparison 2 wells, masculine comparison 2 wells, blank comparison 1 well（don’t add sample and HRP-Conjugate reagent to blank comparison well, other each step the operation are same）.
2.add sample：separay add Positive control and Negative control 50μl to the Positive and Negative well . add Sample dilution 40μl to testing sample well, then add testing sample 10μl. add sample to the bottom of ELISA plates coated well , don’t touch the well wall as far as possible, and Gently mix.
3.Incubate: After closing plate with Closure plate membrane ,incubate for 30 min at 37℃.
4.Configurate liquid: 30-fold （or 20-fold）wash solution diluted 30-fold （or 20-fold） with distilled water until 600ml,and reserve.
5.washing：Uncover Closure plate membrane, discard Liquid, dry by swing, add washing buffer to every well, still for 30s then drain, repeat 5 times, dry by pat.
6.add enzyme：Add HRP-Conjugate reagent 50μlto each well, except the blank well.
7.incubate：Operation with 3.
8.washing：Operation with 5.
9.color：Add Chromogen Solution A 50ul and Chromogen Solution B to each well, evade the light preservation for 15 min at 37℃
10.Stop the reaction：Add Stop Solution50μl to each well, Stop the reaction（the blue color change to yellow color）.
11. assay：take blank well as zero , Read absorbance at 450nm after Adding Stop Solution and within 15min.
Determine the result
Test validity: the average of Positive control well≥1.00; the average of Negative control well ≤0.10.
Calculate Critical（CUT OFF） : Critical= the average of Negative control well + 0.15.
Negative control: sample OD< Calculate Critical（CUT OFF） is mycoplasma Negative control.
Positive control: ample OD≥ Calculate Critical（CUT OFF） is mycoplasma Positive control.
Important notes
1.Please according to use instruction strictly, Do not mix reagents with those from other lots.
2.The kit takes out from the refrigeration environment should be balanced 15-30 minutes in the room temperature then use, ELISA plates coated if has not use up after opened, the plate should be stored in Sealed bag.
3.washing buffer will Crystallization separation, it can be heated the water helps dissolve when dilute . Washing does not affect the result.
4.Closure plate membrane only limits the disposable use, in order to avoid the overlapping pollution
5.The substrate please evade the light preservation.
6.The test result determination must take the microtiter plate reader as a standard, when use dual-wavelength to assay, Reference wavelength is 630nm.
7.All samples, washing buffer and each kind of reject should according to infective material process. Stopp Solution is 2M sulphuric acid. You must pay attention to safe when use .
Storage and validity
1．Storage： 2-8℃.
2．validity： six months.
