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當(dāng)前位置:廈門慧嘉生物科技有限公司>>技術(shù)文章>>(中英文) 兔子白介素1(IL-1) elisa kit使用說明書
Rabbit Interleukin 1 (IL-1)
ELISA Kit
Catalog No. CSB-E06896Rb
(96 T)
This immunoassay kit allows for the in vitro quantitative determination of rabbit
IL-1 concentrations in cell culture supernates, serum, plasma and other
biological fluids.
Expiration date six months from the date of manufacture
FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC PROCEDURES.
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INTRODUCTION
Interleukin-1 (IL-1) is one of the first cytokines ever described. Its initial
discovery was as a factor that could induce fever, control lymphocytes,
increase the number of bone marrow cells and cause degeneration of bone
joints. At this time, IL-1 was known under several other names includipg
endogenous pyrogen, lymphocyte activatipg factor, haemopoetin-1 and
mononuclear cell factor, amopgst others. IL-1 classically refers to a 17
kilodalton (kDa) polypeptide existipg in two distinct isoforms, IL-1α and
IL-1β, although other members of the IL-1 family have recently been
proposed . Although IL-1α and IL-1β are encoded by separate genes
sharipg some sequence homology, they elicit similar biological actions. In
addition to these two IL-1 receptor agonists, a native IL-1 receptor
antagonist (IL-1ra) also maps to the IL-1 gene cluster on human
chromosome two. All three proteins are produced as precursors, of which
pro-IL-1α and pro-IL-1ra possess biological activity. Pro-IL-1β, however,
requires cleavage by caspase-1 (IL-1β convertipg enzyme, ICE) to become
biologically active.
PRINCIPLE OF THE ASSAY
The microtiter plate provided in this kit has been pre-coated with an
antibody specific to IL-1. Standards or samples are then added to the
appropriate microtiter plate wells with a biotin-conjugated polyclonal
antibody preparation specific for IL-1 and Avidin conjugated to Horseradish
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Peroxidase (HRP) is added to each microplate well and incubated. Then a
TMB (3,3',5, 5' tetramethyl-benzidine) substrate solution is added to each
well. Only those wells that contain IL-1, biotin-conjugated antibody and
enzyme-conjugated Avidin will exhibit a chapge in color. The
enzyme-substrate reaction is terminated by the addition of a sulphuric acid
solution and the color chapge is measured spectrophotometrically at a
wavelepgth of 450 nm ± 2 nm. The concentration of IL-1 in the samples is
then determined by comparipg the O.D. of the samples to the standard
curve.
DETECTION RAPGE
15.6 pg/ml-1000 pg/ml. The standard curve concentrations used for the
ELISA’s were 1000 pg/ml, 500 pg/ml, 250 pg/ml, 125 pg/ml, 62.5 pg/ml,
31.2 pg/ml, 15.6 pg/ml.
SPECIFICITY
This assay recognizes recombinant and natural rabbit IL-1. No significant
cross-reactivity or interference was observed.
SENSITIVITY
The minimum detectable dose of rabbit IL-1 is typically less than 3.9 pg/ml.
The sensitivity of this assay, or Lower Limit of Detection (LLD) was defined
as the lowest protein concentration that could be differentiated from zero.
4
MATERIALS PROVIDED
Reagent Quantity
Assay plate 1
Standard 2
Sample Diluent 1 x 20 ml
Biotin-antibody Diluent 1 x 10 ml
HRP-avidin Diluent 1 x 10 ml
Biotin-antibody 1 x 120l
HRP-avidin 1 x 120l
Wash Buffer
1 x 20 ml
(25×concentrate)
TMB Substrate 1 x 10 ml
Stop Solution 1 x 10 ml
STORAGE
1. Unopened test kits should be stored at 2-8°C upon receipt and the
microtiter plate should be kept in a sealed bag with desiccants to
minimize exposure to damp air. The test kit may be used throughout the
expiration date of the kit. Refer to the package label for the expiration
date.
2. Opened test kits will remain stable until the expiripg date shown,
provided it is stored as prescribed above.
3. A microtiter plate reader with a bandwidth of 10 nm or less and an
optical density rapge of 0-3 OD or greater at 450nm wavelepgth is
acceptable for use in absorbance measurement.
5
REAGENT PREPARATION
Bripg all reagents to room temperature before use.
1. Wash Buffer If crystals have formed in the concentrate, warm up to
room temperature and mix gently until the crystals have compley
dissolved. Dilute 20 ml of Wash Buffer Concentrate into deionized or
distilled water to prepare 500 ml of Wash Buffer.
2. Standard Reconstitute the Standard with 1.0 ml of Sample Diluent.
This reconstitution produces a stock solution of 1000 pg/ml. Allow the
standard to sit for a minimum of 15 minutes with gentle agitation prior to
makipg serial dilutions. The undiluted standard serves as the high
standard (1000 pg/ml). The Sample Diluent serves as the zero
standard (0 pg/ml).
3. Biotin-antibody Dilute to the workipg concentration specified on the
vial label usipg Biotin-antibody Diluent(1:100), respectively.
4. HRP-avidin Dilute to the workipg concentration specified on the vial
label usipg HRP-avidin Diluent(1:100), respectively.
Precaution: The Stop Solution provided with this kit is an acid solution. Wear
eye, hand, face, and clothipg protection when usipg this material.
OTHER SUPPLIES REQUIRED
Microplate reader capable of measuripg absorbance at 450 nm, with
the correction wavelepgth set at 540 nm or 570 nm.
Pipettes and pipette tips.
Deionized or distilled water.
Squirt bottle, manifold dispenser, or automated microplate washer.
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SAMPLE COLLECTION AND STORAGE
Cell Culture Supernates Remove particulates by centrifugation and
assay immediay or aliquot and store samples at -20° C. Avoid
repeated freeze-thaw cycles.
Serum Use a serum separator tube (SST) and allow samples to clot
for 30 minutes before centrifugation for 15 minutes at 1000 x g. Remove
serum and assay immediay or aliquot and store samples at -20° C.
Avoid repeated freeze-thaw cycles.
Plasma Collect plasma usipg citrate, EDTA, or heparin as an
anticoagulant. Centrifuge for 15 minutes at 1000 x g within 30 minutes
of collection. Assay immediay or aliquot and store samples at -20°C.
Avoid repeated freeze-thaw cycles.
Note: Grossly hemolyzed samples are not suitable for use in this assay.
ASSAY PROCEDURE
Bripg all reagents and samples to room temperature before use. It is
recommended that all samples, standards, and controls be assayed in duplicate.
1. Add 100l of Standard, Blank, or Sample per well. Cover with the
adhesive strip. Incubate for 2 hours at 37° C.
2. Remove the liquid of each well, don’t wash.
3. Add 100l of Biotin-antibody workipg solution to each well. Incubate
for 1 hour at 37°C. Biotin-antibody workipg solution may appear
cloudy. Warm up to room temperature and mix gently until solution
appears uniform.
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4. Aspirate each well and wash, repeatipg the process three times for a
total of three washes. Wash by fillipg each well with Wash Buffer (200l)
usipg a squirt bottle, multi-channel pipette, manifold dispenser or
autowasher. Complete removal of liquid at each step is essential to
good performance. After the last wash, remove any remainipg Wash
Buffer by aspiratipg or decantipg. Invert the plate and blot it against
clean paper towels.
5. Add 100l of HRP-avidin workipg solution to each well. Cover the
microtiter plate with a new adhesive strip. Incubate for 1 hour at 37° C.
6. Repeat the aspiration and wash three times as step 4.
7. Add 90l of TMB Substrate to each well. Incubate for 30 minutes at
37°C. Keepipg the plate away from drafts and other temperature
fluctuations in the dark.
8. Add 50l of Stop Solution to each well. If color chapge does not
appear uniform, gently tap the plate to ensure thorough mixipg.
9. Determine the optical density of each well within 30 minutes, usipg a
microplate reader set to 450 nm.
CALCULATION OF RESULTS
Average the duplicate readipgs for each standard, control, and sample and
subtract the average zero standard optical density. Create a standard curve
by reducipg the data usipg computer software capable of generatipg a four
parameter logistic (4-PL) curve-fit. As an alternative, construct a standard
8
curve by plottipg the mean absorbance for each standard on the y-axis
against the concentration on the x-axis and draw a best fit curve through the
points on the graph. The data may be linearized by plottipg the log of the
IL-1 concentrations versus the log of the O.D. and the best fit line can be
determined by regression analysis. This procedure will produce an
adequate but less precise fit of the data. If samples have been diluted, the
concentration read from the standard curve must be multiplied by the
dilution factor.
LIMITATIONS OF THE PROCEDURE
The kit should not be used beyond the expiration date on the kit label.
Do not mix or substitute reagents with those from other lots or sources.
It is important that the Calibrator Diluent selected for the standard curve
be consistent with the samples beipg assayed.
If samples generate values higher than the highest standard, dilute the
samples with the appropriate Calibrator Diluent and repeat the assay.
Any variation in Standard Diluent, operator, pipettipg technique,
washipg technique, incubation time or temperature, and kit age can
cause variation in bindipg.
This assay is designed to eliminate interference by soluble receptors,
bindipg proteins, and other factors present in biological samples. Until
all factors have been tested in the Quantikine Immunoassay, the
possibility of interference cannot be excluded.
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TECHNICAL HINTS
When mixipg or reconstitutipg protein solutions, always avoid foamipg.
To avoid cross-contamination, chapge pipette tips between additions of
each standard level, between sample additions, and between reagent
additions. Also, use separate reservoirs for each reagent.
When usipg an automated plate washer, addipg a 30 second soak
period followipg the addition of wash buffer, and/or rotatipg the plate
180 degrees between wash steps may improve assay precision.
To ensure accurate results, proper adhesion of plate sealers duripg
incubation steps is necessary.
Substrate Solution should remain colorless until added to the plate.
Keep Substrate Solution protected from light. Substrate Solution should
chapge from colorless to gradations of blue.
Stop Solution should be added to the plate in the same order as the
Substrate Solution. The color developed in the wells will turn from blue
to yellow upon addition of the Stop Solution. Wells that are green in
color indicate that the Stop Solution has not mixed thoroughly with the
Substrate Solution.
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兔子白介素 兔子白介素 兔子白介素 兔子白介素 1(IL-1)酶聯(lián)免疫分析 酶聯(lián)免疫分析 酶聯(lián)免疫分析 酶聯(lián)免疫分析
試劑盒使用說明 試劑盒使用說明 試劑盒使用說明 試劑盒使用說明書 書書 書
本試劑盒僅供研究使用 本試劑盒僅供研究使用 本試劑盒僅供研究使用 本試劑盒僅供研究使用
產(chǎn)品編號 產(chǎn)品編號 產(chǎn)品編號 產(chǎn)品編號: :: :CSB-E06896Rb
檢測范圍 檢測范圍 檢測范圍 檢測范圍: :: :15.6 pg/ml - 1000 pg/ml
zui低檢測限 zui低檢測限 zui低檢測限 zui低檢測限: :: :3.9 pg/ml
特異性 特異性 特異性 特異性: :: :本試劑盒可同時檢測天然或重組的兔子 IL-1,,且與其他相關(guān)蛋白
無交叉反應(yīng),。
有效期 有效期 有效期 有效期: :: :6 個月
預(yù)期應(yīng)用 預(yù)期應(yīng)用 預(yù)期應(yīng)用 預(yù)期應(yīng)用: :: :ELISA法定量測定兔子血清,、血漿,、細(xì)胞培養(yǎng)上清或其它相關(guān)
生物液體中 IL-1 含量,。
說明 說明 說明 說明
1. 試劑盒保存:-20℃(較長時間不用時),;2-8℃(頻繁使用時),。
2. 濃洗滌液低溫保存會有鹽析出,,稀釋時可在水浴中加溫助溶。
3. 中,、英文說明書可能會有不一致之處,,請以英文說明書為準(zhǔn)。
4. 剛開啟的酶聯(lián)板孔中可能會含有少許水樣物質(zhì),,此為正?,F(xiàn)象,不會對實
驗結(jié)果造成任何影響,。
實驗原理 實驗原理 實驗原理 實驗原理
用純化的抗體包被微孔板,,制成固相載體,往包被抗 IL-1 抗體的微孔中
依次加入標(biāo)本或標(biāo)準(zhǔn)品,、生物素化的抗 IL-1 抗體,、HRP 標(biāo)記的親和素,,經(jīng)過
*洗滌后用底物 TMB 顯色。TMB 在過氧化物酶的催化下轉(zhuǎn)化成藍(lán)色,,并
在酸的作用下轉(zhuǎn)化成zui終的黃色,。顏色的深淺和樣品中的 IL-1 呈正相關(guān)。用
酶標(biāo)儀在 450nm 波長下測定吸光度(OD值),,計算樣品濃度,。
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試劑盒組成及試劑配制 試劑盒組成及試劑配制 試劑盒組成及試劑配制 試劑盒組成及試劑配制
1. 酶聯(lián)板 酶聯(lián)板 酶聯(lián)板 酶聯(lián)板(Assay plate ): 一塊 (96孔)。
2. 標(biāo)準(zhǔn)品 標(biāo)準(zhǔn)品 標(biāo)準(zhǔn)品 標(biāo)準(zhǔn)品 (Standard): 2 瓶(凍干品),。
3. 樣品稀釋液 樣品稀釋液 樣品稀釋液 樣品稀釋液(Sample Diluent): 1×20ml/瓶,。
4. 生物素標(biāo)記抗體稀釋液 生物素標(biāo)記抗體稀釋液 生物素標(biāo)記抗體稀釋液 生物素標(biāo)記抗體稀釋液( (( (Biotin-antibody Diluent) )) ): 1×10ml/瓶。
5. 辣根過氧化物酶標(biāo)記親和素稀釋液 辣根過氧化物酶標(biāo)記親和素稀釋液 辣根過氧化物酶標(biāo)記親和素稀釋液 辣根過氧化物酶標(biāo)記親和素稀釋液 ( (( (HRP-avidin Diluent) )) ): 1×10ml/瓶,。
6. 生物素標(biāo)記抗體 生物素標(biāo)記抗體 生物素標(biāo)記抗體 生物素標(biāo)記抗體 ( (( (Biotin-antibody) )) ): 1×120l/瓶(1: 100),。
7. 辣根過氧化物酶標(biāo)記親和素 辣根過氧化物酶標(biāo)記親和素 辣根過氧化物酶標(biāo)記親和素 辣根過氧化物酶標(biāo)記親和素 ( (( (HRP-avidin) )) ): 1×120l/瓶(1: 100)。
8. 底物溶液 底物溶液 底物溶液 底物溶液 ( (( (TMB Substrate) )) ): 1×10ml/瓶,。
9. 濃洗滌液 濃洗滌液 濃洗滌液 濃洗滌液( (( (Wash Buffer) )) ):1×20ml/瓶,,使用時每瓶用蒸餾水稀釋 25 倍。
10. 終止液 終止液 終止液 終止液 ( (( (Stop Solution) )) ): 1×10ml/瓶(2N H2SO4),。
需要而未提供的試劑和器材 需要而未提供的試劑和器材 需要而未提供的試劑和器材 需要而未提供的試劑和器材
1. 標(biāo)準(zhǔn)規(guī)格酶標(biāo)儀
2. 高速離心機
3. 電熱恒溫培養(yǎng)箱
4. 干凈的試管和 Eppendof 管
5. 系列可調(diào)節(jié)移液器及吸頭,,一次檢測樣品較多時,用多通道移液器
6. 蒸餾水,,容量瓶等
標(biāo)本的采集及保存 標(biāo)本的采集及保存 標(biāo)本的采集及保存 標(biāo)本的采集及保存
1. 血清:全血標(biāo)本請于室溫放置 2 小時或 4℃過夜后于 1000 x g離心 20 分
鐘,,取上清即可檢測,,或?qū)?biāo)本放于-20℃或-80℃保存,,但應(yīng)避免反復(fù)凍
融。
2. 血漿:可用 EDTA 或肝素作為抗凝劑,,標(biāo)本采集后 30 分鐘內(nèi)于 2 - 8° C
1000 x g離心 15 分鐘,,或?qū)?biāo)本放于-20℃或-80℃保存,但應(yīng)避免反復(fù)
凍融,。
3. 細(xì)胞培養(yǎng)物上清或其它生物標(biāo)本:1000 x g離心 20 分鐘,,取上清即可檢
測,或?qū)?biāo)本放于-20℃或-80℃保存,,但應(yīng)避免反復(fù)凍融,。
注 注注 注: :: :標(biāo)本溶血會影響zui后檢測結(jié)果 標(biāo)本溶血會影響zui后檢測結(jié)果 標(biāo)本溶血會影響zui后檢測結(jié)果 標(biāo)本溶血會影響zui后檢測結(jié)果, ,,,, ,因此溶血標(biāo)本不宜進行此項檢測 因此溶血標(biāo)本不宜進行此項檢測 因此溶血標(biāo)本不宜進行此項檢測 因此溶血標(biāo)本不宜進行此項檢測,。 ,。,。 。
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標(biāo)本的稀釋原則 標(biāo)本的稀釋原則 標(biāo)本的稀釋原則 標(biāo)本的稀釋原則: :: :
首先通過文獻(xiàn)檢索的方式了解待測樣本的大致含量,,確定適當(dāng)?shù)南♂尡稊?shù),。
只有稀釋至標(biāo)準(zhǔn)曲線的范圍內(nèi),檢測的結(jié)果才是準(zhǔn)確的,。稀釋的過程中,,應(yīng)
做好詳細(xì)的記錄。zui后計算濃度時,,稀釋了“N”倍,,標(biāo)本的濃度應(yīng)再乘以“N”。
標(biāo)準(zhǔn)品的稀釋原則 標(biāo)準(zhǔn)品的稀釋原則 標(biāo)準(zhǔn)品的稀釋原則 標(biāo)準(zhǔn)品的稀釋原則: :: :2 瓶,,每瓶臨用前以樣品稀釋液稀釋至 1ml,,蓋好
后靜置 10 分鐘以上,然后反復(fù)顛倒/搓動以助溶解,,其濃度為 1000 pg/ml,,
做系列倍比稀釋后,分別稀釋 1000 pg/ml,, 500 pg/ml,, 250 pg/ml, 125 pg/ml,,
62.5 pg/ml,,31.2 pg/ml,15.6 pg/ml,,樣品稀釋液直接作為標(biāo)準(zhǔn)濃度 0 pg/ml,,
臨用前 15 分鐘內(nèi)配制。
如配制 500 pg/ml標(biāo)準(zhǔn)品:取 0.5ml(不要少于 0.5ml)1000 pg/ml的上述標(biāo)
準(zhǔn)品加入含 0.5ml 樣品稀釋液的 Eppendorf 管中,,混勻即可,,其余濃度以此
類推。
生物素標(biāo)記抗體的稀釋原則 生物素標(biāo)記抗體的稀釋原則 生物素標(biāo)記抗體的稀釋原則 生物素標(biāo)記抗體的稀釋原則: :: :
臨用前以生物素標(biāo)記抗體稀釋液稀釋,,稀釋前根據(jù)預(yù)先計算好的每次實驗所
需的總量配制(每孔 100l),,實際配制時應(yīng)多配制 0.1-0.2ml。如 10l 生物
素標(biāo)記抗體加 990l 生物素標(biāo)記抗體稀釋液的比例配制,,輕輕混勻,,在使用
前一小時內(nèi)配制。
辣根過氧化物酶標(biāo)記親和素的稀釋原則 辣根過氧化物酶標(biāo)記親和素的稀釋原則 辣根過氧化物酶標(biāo)記親和素的稀釋原則 辣根過氧化物酶標(biāo)記親和素的稀釋原則: :: :
臨用前以辣根過氧化物酶標(biāo)記親和素稀釋液稀釋,,稀釋前根據(jù)預(yù)先計算好的
每次實驗所需的總量配制(每孔 100l),,實際配制時應(yīng)多配制 0.1-0.2ml。如
10l 辣根過氧化物酶標(biāo)記親和素加 990l 辣根過氧化物酶標(biāo)記親和素稀釋
液 的比例配制,,輕輕混勻,,在使用前一小時內(nèi)配制,。
操作步驟 操作步驟 操作步驟 操作步驟
實驗開始前,請?zhí)崆芭渲煤盟性噭?,試劑或樣品稀釋時,,均需混勻,混勻
時盡量避免起泡,。每次檢測都應(yīng)該做標(biāo)準(zhǔn)曲線,。如樣品濃度過高時,用樣品
稀釋液進行稀釋,,以使樣品符合試劑盒的檢測范圍,。
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1. 加樣:分別設(shè)空白孔、標(biāo)準(zhǔn)孔,、待測樣品孔,。空白孔加樣品稀釋液 100l,,
余孔分別加標(biāo)準(zhǔn)品或待測樣品 100l,,注意不要有氣泡,加樣將樣品加于
酶標(biāo)板孔底部,,盡量不觸及孔壁,,輕輕晃動混勻,酶標(biāo)板加上蓋或覆膜,,
37℃反應(yīng) 120 分鐘,。
為保證實驗結(jié)果有效性,每次實驗請使用新的標(biāo)準(zhǔn)品溶液,。
2. 棄去液體,,甩干,不用洗滌,。每孔加生物素標(biāo)記抗體工作液 100l (取 1l
生物素標(biāo)記抗體加 99l 生物素標(biāo)記抗體稀釋液的比例配制,,輕輕混勻,,
在使用前一小時內(nèi)配制),,37℃,60 分鐘。
3. 溫育 60 分鐘后,,棄去孔內(nèi)液體,,甩干,洗板 3 次,,每次浸泡 1-2分鐘,,
200l/每孔,甩干,。
4. 每孔加辣根過氧化物酶標(biāo)記親和素工作液(同生物素標(biāo)記抗體工作液)
100l,,37℃,,60 分鐘。
5. 溫育 60 分鐘后,,棄去孔內(nèi)液體,,甩干,洗板 5 次,,每次浸泡 1-2分鐘,,
200l/每孔,甩干,。
6. 依序每孔加底物溶液 90l,,37℃避光顯色( (( (30 分鐘內(nèi),此時肉眼可見標(biāo)
準(zhǔn)品的前 3-4 孔有明顯的梯度藍(lán)色,,后 3-4 孔顯色不明顯,,即可終止)。
7. 依序每孔加終止溶液 50l,,終止反應(yīng)(此時藍(lán)色立轉(zhuǎn)黃色),。終止液的加
入順序應(yīng)盡量與底物液的加入順序相同。為了保證實驗結(jié)果的準(zhǔn)確性,,底
物反應(yīng)時間到后應(yīng)盡快加入終止液,。
8. 用酶聯(lián)儀在 450nm 波長依序測量各孔的光密度(OD 值)。 在加終止液
后 15 分鐘以內(nèi)進行檢測,。
實驗備注 實驗備注 實驗備注 實驗備注
1. 用戶在初次使用試劑盒時,,應(yīng)將各種試劑管離心數(shù)分鐘,以便試劑集中到
管底,。
2. 每次實驗留一孔作為空白調(diào)零孔,,該孔不加任何試劑,只是zui后加底物溶
液及 2N H2SO4,。測量時先用此孔調(diào) OD值至零,。
3. 為防止樣品蒸發(fā),試驗時將反應(yīng)板放于鋪有濕布的密閉盒內(nèi),,酶標(biāo)板加上
蓋或覆膜,。
4. 未使用完的酶標(biāo)板或者試劑,請于 2-8℃保存,。標(biāo)準(zhǔn)品,、生物素標(biāo)記抗體
工作液、辣根過氧化物酶標(biāo)記親和素工作液請依據(jù)所需的量配置使用,。請
勿重復(fù)使用已稀釋過的標(biāo)準(zhǔn)品,、生物素標(biāo)記抗體工作液、或辣根過氧化物
酶標(biāo)記親和素工作液。
5. 建議檢測樣品時均設(shè)雙孔測定,,以保證檢測結(jié)果的準(zhǔn)確性,。
14
洗板方法 洗板方法 洗板方法 洗板方法
手工洗板方法:吸去(不可觸及板壁)或甩掉酶標(biāo)板內(nèi)的液體;在實驗臺上
鋪墊幾層吸水紙,,酶標(biāo)板朝下用力拍幾次,;將推薦的洗滌緩沖液至少 0.3ml
注入孔內(nèi),浸泡 1-2 分鐘,。根據(jù)需要,,重復(fù)此過程數(shù)次。
自動洗板:如果有自動洗板機,,應(yīng)在熟練使用后再用到正式實驗過程中,。
計算 計算 計算 計算
以標(biāo)準(zhǔn)物的濃度為橫坐標(biāo)(對數(shù)坐標(biāo)),OD值為縱坐標(biāo)(普通坐標(biāo)),,在半對
數(shù)坐標(biāo)紙上繪出標(biāo)準(zhǔn)曲線,,根據(jù)樣品的 OD 值由標(biāo)準(zhǔn)曲線查出相應(yīng)的濃度;
再乘以稀釋倍數(shù),;或用標(biāo)準(zhǔn)物的濃度與 OD 值計算出標(biāo)準(zhǔn)曲線的直線回歸方
程式,,將樣品的 OD 值代入方程式,計算出樣品濃度,,再乘以稀釋倍數(shù),,即
為樣品的實際濃度。
注意事項 注意事項 注意事項 注意事項
1. 本操作說明適用于 本操作說明適用于 本操作說明適用于 本操作說明適用于 48T 試劑 試劑 試劑 試劑盒 盒盒 盒,, ,,, ,,但 但但 但 48T 試劑盒所有試劑減半 試劑盒所有試劑減半 試劑盒所有試劑減半 試劑盒所有試劑減半,。 。,。 ,。
2. 當(dāng)混合蛋白溶液時應(yīng)盡量輕緩,避免起泡,。
3. 洗滌過程非常重要,,不充分的洗滌易造成假陽性。
4. 一次加樣時間控制在 5 分鐘內(nèi),,如標(biāo)本數(shù)量多,,推薦使用排槍加樣,。
5. 請每次測定的同時做標(biāo)準(zhǔn)曲線,,做復(fù)孔。
6. 如標(biāo)本中待測物質(zhì)含量過高,請先稀釋后再測定,,計算時請zui后乘以稀釋
倍數(shù),。
7. 在配制標(biāo)準(zhǔn)品、檢測溶液工作液時,,請以相應(yīng)的稀釋液配制,,不能混淆。
8. 底物請避光保存,。
9. 不要用其它生產(chǎn)廠家的試劑替換試劑盒中的試劑,。
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