人可溶性转铁蛋白受体（sTfR）ELISA检测试剂盒
检测原理
试剂盒采用双抗体夹心法酶联免疫吸附试验（elisa）。往预先包被人可溶性转铁蛋白受体（stfr）捕获抗体的包被微孔中，依次加入标本、标准品、hrp标记的检测抗体，经过温育并*洗涤。用底物tmb显色，tmb在过氧化物酶的催化下转化成蓝色，并在酸的作用下转化成终的黄色。颜色的深浅和样品中的人可溶性转铁蛋白受体（stfr）呈正相关。用酶标仪在450nm 波长下测定吸光度（od 值），计算样品浓度。
样品收集、处理及保存方法
1. 血清：使用不含热原和内毒素的试管，操作过程中避免任何细胞刺激，收集血液后，3000转离心10分钟将血清和红细胞迅速小心地分离。
2. 血浆：edta、柠檬酸盐或肝素抗凝。3000转离心30分钟取上清。
3. 细胞上清液：3000转离心10分钟去除颗粒和聚合物。
4. 组织匀浆：将组织加入适量生理盐水捣碎。3000转离心10分钟取上清。
5. 保存：如果样本收集后不及时检测，请按一次用量分装，冻存于-20℃，避免反复冻融，在室温下解冻并确保样品均匀地充分解冻。
自备物品
酶标仪（450nm）高精度加样器及枪头：0.5-10ul、2-20ul、20-200ul、200-1000ul37℃恒温箱操作注意事项
试剂盒保存在2-8℃，使用前室温平衡60分钟。从冰箱取出的浓缩洗涤液会有结晶，这属于正常现象，水浴加热使结晶*溶解后再使用。样本在使用前也要在室温平衡60分钟。实验中不用的板条应立即放回自封袋中，密封（低温干燥）保存。预处理后的样本无需稀释，直接取10μl加样即可。严格按照说明书中标明的时间、加液量及顺序进行温育操作。所有液体组分使用前充分摇匀。试剂盒组成
名称
96孔配置
48孔配置
备注
微孔酶标板
12孔×8条
12孔×4条
无
标准品
0.3ml
0.3ml
无
*
6ml
3ml
无
检测抗体-hrp
10ml
5ml
无
20×洗涤缓冲液
25ml
15ml
按说明书进行稀释
底物a
6ml
3ml
无
底物b
6ml
3ml
无
终止液
6ml
3ml
无
封板膜
2张
2张
无
说明书
1份
1份
无
自封袋
1个
1个
无
注：标准品浓度依次为：80、40、20、10、5、0 nmol/l.
试剂的准备
20×洗涤缓冲液的稀释：蒸馏水按1：20稀释，即1份的20×洗涤缓冲液加19份的蒸馏水。
洗板方法
手工洗板：甩尽孔内液体，每孔加满洗涤液，静置1min后甩尽孔内液体，在吸水纸上拍干，如此洗板5次。自动洗板机：每孔注入洗液350μl，浸泡1min，洗板5次。操作步骤
从室温平衡60min后的铝箔袋中取出所需板条，剩余板条用自封袋密封放回4℃。设置标准品孔和样本孔，标准品孔各加不同浓度的标准品50μl；待测样本孔先加待测样本10μl，再加*40μl；随后标准品孔和样本孔中每孔加入辣根过氧化物酶（hrp）标记的检测抗体100μl，用封板膜封住反应孔，37℃水浴锅或恒温箱温育60min。弃去液体，吸水纸上拍干，每孔加满洗涤液，静置1min，甩去洗涤液，吸水纸上拍干，如此重复洗板5次（也可用洗板机洗板）。每孔加入底物a、b各50μl，37℃避光孵育15min。每孔加入终止液50μl，15min内，在450nm波长处测定各孔的od值。结果判断
绘制标准曲线：在excel工作表中，以标准品浓度作横坐标，对应od值作纵坐标，绘制出标准品线性回归曲线，按曲线方程计算各样本浓度值。
试剂盒性能
准确性：标准品线性回归与预期浓度相关系数r值，大于等于0.9900。灵敏度：低检测浓度小于0.1nmol/l。特异性：不与其它可溶性结构类似物交叉反应。重复性：板内变异系数小于10%、板间变异系数小于15%。贮藏：2-8℃，避光防潮保存。有效期：6个月免责声明
试剂盒仅供研究使用，不得用于临床实验或人体实验，否则所产生的一切后果，由实验者承担，本公司概不负责。严格按照说明书操作，实验者违反说明书操作，后果由实验者承担。
for research use only.
not for use in diagnostic procedures.
humansoluble transferrin receptor(stfr) elisa kit instruction
intended use
this stfrelisa kit is intended laboratory for research use only and is not for use in diagnostic or therapeutic procedures.the stop solution changes the color from blue to yellow and the intensity of the color is measured at 450 nm using a spectrophotometer. in order to measure the concentration of stfrin the sample, this stfrelisa kit includes a set of calibration standards. the calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of optical density versus stfrconcentration. the concentration of stfrin the samples is then determined by comparing the o.d. of the samples to the standard curve.
samplecollection and storages
serum- use a serum separator tube and allow samples to clot for 30 minutes before centrifugation for 10 minutes at approximately 3000×g. remove serum and assay immediately or aliquot and store samples at -20℃ or -80℃.avoid repeated freeze-thaw cycles
plasma- collect plasma using edta or heparin as an anticoagulant. centrifuge samples for 30minutes at 3000×g at 2-8℃ within 30 minutes of collection. store samples at -20℃or -80℃. avoid repeated freeze-thaw cycles.
cell culture supernates and other biological fluids-remove particulates by centrifugation and assay immediately or aliquot and store samples at -20℃or -80℃. avoid repeated freeze-thaw cycles.
note: the samples shouldbe centrifugated adequately and no hemolysis or granule was allowed.
materials required but not supplied
1. standard microplate reader(450nm)
2. precision pipettes and disposable pipette tips.
3. 37 ℃ incubator
precautions
1. donotsubstitutereagentsfromone kitto another.standard, conjugateandmicroplates are matchedfor optimal performance.useonly thereagentssuppliedby manufacturer.
2. donotremovemicroplatefromthe storage baguntilneeded.unusedstripsshouldbe stored at2-8°cin their pouchwiththe desiccantprovided.
3. mix all reagents before using.
remove allkitreagentsfromrefrigerator and allowthemto reachroomtemperature( 20-25°c)
materials supplied
name
96determinations
48determinations
microelisa stripplate
12*8strips
12*4strips
standard
0.3ml
0.3ml
sample diluent
6.0ml
3.0ml
hrp-conjugate reagent
10.0ml
5.0ml
20x wash solution
25ml
15ml
chromogen solution a
6.0ml
3.0ml
chromogen solution b
6.0ml
3.0ml
stop solution
6.0ml
3.0ml
closure plate membrane
2
2
user manual
1
1
sealed bags
1
1
note: standard concentration was followed by:
80、40、20、10、5、0 nmol/l.
reagent preparation
20×wash solution:dilute with distilled or deionized water1:20.
assay procedure
1. prepare allreagentsbeforestartingassayprocedure.itisrecommendedthatallstandardsand samplesbe addedin duplicateto the microelisastripplate.
2. add standard: set standard wells, testing sample wells. add standard 50μl to standard well.
3. add sample: add testing sample10μl then add sample diluent 40μl to testing sample well; blank welldoesn’t add anyting.
4. add100μlofhrp-conjugate reagentto each well,cover with anadhesive stripandincubatefor60 minutesat37°c.
5. aspirate each well and wash, repeating the process fourtimes for a total of five washes.wash by filling each well with wash solution(400μl) using a squirt bottle, manifolddispenseror autowasher. complete removal of liquid at each step is essential to good performance. after the last wash, remove any remaining wash solutionby aspirating ordecanting. invert the plate and blot it against clean paper towels.
6. add chromogen solution a 50μl and chromogen solution b 50μl to each well.gently mix and incubate for 15 minutes at 37°c. protect from light.
7. add 50μl stop solution to each well. the color in the wells should change from blue toyellow. if the color in the wells is green or the color change does not
appear uniform,gently tap the plate to ensure thorough mixing.
8. readtheopticaldensity(o.d.)at450nmusinga microtiterplatereaderwithin15minutes.
calculation of results
this standard curve is used to determine the amount in an unknown sample. the standard curve is generated by plotting the average o.d. (450 nm) obtained for each of the six standard concentrations on the vertical (y) axis versus the corresponding concentration on the horizontal (x) axis. first, calculate the mean o.d. value for each standard and sample. all o.d. values, are subtracted by the mean value of the zero standard before result interpretation. construct the standard curve using graph paper or statistical software. to determine the amount in each sample, first locate the o.d. value on the y-axis and extend a horizontal line to the standard curve. at the point of intersection, draw a vertical line to the x-axis and read the corresponding concentration. any variation in operator, pipetting and washing technique, incubation time or temperature, and kit age can cause variation in result. each user should obtain their own standard curve.the sensitivity by this assay is0.1 nmol/l.standard curve
storage： 2-8℃.
validity： six months.
for research use only; not for therapeutic or diagnostic applications!please read through entire procedure before beginning!
菲尼克斯 2798844 2类电涌保护连接器，采用大功率压敏电阻，
不锈钢多层过滤器使用说明
生物反应器的注意事项
变压器油过滤机是优化电力设备性能的工具
玻璃鳞片胶泥涂料施工控制技巧
人可溶性转铁蛋白受体（sTfR）ELISA检测试剂盒
金相试样磨抛机操作规程及注意事项
印染厂污水处理系统
剥离强度试验机使用注意事项
不锈钢链条厂为您解析导致链条吱吱作响的因素有哪些
JTJ275-2000 混凝土表面涂层抗氯离子渗透性试验装置使用方法
在使用前要先清楚轴电流监测装置的相关知识点
使用激光尘埃粒子计数器时需要注意的事项
西门子6ES7531-7KF00-0AB0
自动包装秤为什么能吸引众多企业
电动衬氟法兰球阀Q941F46-16C电动氟塑料衬里球阀产品特点
活塞杆和活塞的连接结构及模具导柱具备其的液压油缸的制作方式
有机无机钙钛矿：离子运动还是铁电压电？
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德国KRACHT克拉克项目支持VC0.04K1P1P2KX5V防爆流量计技术参数
试剂盒采用双抗体夹心法酶联免疫吸附试验（elisa）。往预先包被人可溶性转铁蛋白受体（stfr）捕获抗体的包被微孔中，依次加入标本、标准品、hrp标记的检测抗体，经过温育并*洗涤。用底物tmb显色，tmb在过氧化物酶的催化下转化成蓝色，并在酸的作用下转化成终的黄色。颜色的深浅和样品中的人可溶性转铁蛋白受体（stfr）呈正相关。用酶标仪在450nm 波长下测定吸光度（od 值），计算样品浓度。
样品收集、处理及保存方法
1. 血清：使用不含热原和内毒素的试管，操作过程中避免任何细胞刺激，收集血液后，3000转离心10分钟将血清和红细胞迅速小心地分离。
2. 血浆：edta、柠檬酸盐或肝素抗凝。3000转离心30分钟取上清。
3. 细胞上清液：3000转离心10分钟去除颗粒和聚合物。
4. 组织匀浆：将组织加入适量生理盐水捣碎。3000转离心10分钟取上清。
5. 保存：如果样本收集后不及时检测，请按一次用量分装，冻存于-20℃，避免反复冻融，在室温下解冻并确保样品均匀地充分解冻。
自备物品
酶标仪（450nm）高精度加样器及枪头：0.5-10ul、2-20ul、20-200ul、200-1000ul37℃恒温箱操作注意事项
试剂盒保存在2-8℃，使用前室温平衡60分钟。从冰箱取出的浓缩洗涤液会有结晶，这属于正常现象，水浴加热使结晶*溶解后再使用。样本在使用前也要在室温平衡60分钟。实验中不用的板条应立即放回自封袋中，密封（低温干燥）保存。预处理后的样本无需稀释，直接取10μl加样即可。严格按照说明书中标明的时间、加液量及顺序进行温育操作。所有液体组分使用前充分摇匀。试剂盒组成
名称
96孔配置
48孔配置
备注
微孔酶标板
12孔×8条
12孔×4条
无
标准品
0.3ml
0.3ml
无
*
6ml
3ml
无
检测抗体-hrp
10ml
5ml
无
20×洗涤缓冲液
25ml
15ml
按说明书进行稀释
底物a
6ml
3ml
无
底物b
6ml
3ml
无
终止液
6ml
3ml
无
封板膜
2张
2张
无
说明书
1份
1份
无
自封袋
1个
1个
无
注：标准品浓度依次为：80、40、20、10、5、0 nmol/l.
试剂的准备
20×洗涤缓冲液的稀释：蒸馏水按1：20稀释，即1份的20×洗涤缓冲液加19份的蒸馏水。
洗板方法
手工洗板：甩尽孔内液体，每孔加满洗涤液，静置1min后甩尽孔内液体，在吸水纸上拍干，如此洗板5次。自动洗板机：每孔注入洗液350μl，浸泡1min，洗板5次。操作步骤
从室温平衡60min后的铝箔袋中取出所需板条，剩余板条用自封袋密封放回4℃。设置标准品孔和样本孔，标准品孔各加不同浓度的标准品50μl；待测样本孔先加待测样本10μl，再加*40μl；随后标准品孔和样本孔中每孔加入辣根过氧化物酶（hrp）标记的检测抗体100μl，用封板膜封住反应孔，37℃水浴锅或恒温箱温育60min。弃去液体，吸水纸上拍干，每孔加满洗涤液，静置1min，甩去洗涤液，吸水纸上拍干，如此重复洗板5次（也可用洗板机洗板）。每孔加入底物a、b各50μl，37℃避光孵育15min。每孔加入终止液50μl，15min内，在450nm波长处测定各孔的od值。结果判断
绘制标准曲线：在excel工作表中，以标准品浓度作横坐标，对应od值作纵坐标，绘制出标准品线性回归曲线，按曲线方程计算各样本浓度值。
试剂盒性能
准确性：标准品线性回归与预期浓度相关系数r值，大于等于0.9900。灵敏度：低检测浓度小于0.1nmol/l。特异性：不与其它可溶性结构类似物交叉反应。重复性：板内变异系数小于10%、板间变异系数小于15%。贮藏：2-8℃，避光防潮保存。有效期：6个月免责声明
试剂盒仅供研究使用，不得用于临床实验或人体实验，否则所产生的一切后果，由实验者承担，本公司概不负责。严格按照说明书操作，实验者违反说明书操作，后果由实验者承担。
for research use only.
not for use in diagnostic procedures.
humansoluble transferrin receptor(stfr) elisa kit instruction
intended use
this stfrelisa kit is intended laboratory for research use only and is not for use in diagnostic or therapeutic procedures.the stop solution changes the color from blue to yellow and the intensity of the color is measured at 450 nm using a spectrophotometer. in order to measure the concentration of stfrin the sample, this stfrelisa kit includes a set of calibration standards. the calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of optical density versus stfrconcentration. the concentration of stfrin the samples is then determined by comparing the o.d. of the samples to the standard curve.
samplecollection and storages
serum- use a serum separator tube and allow samples to clot for 30 minutes before centrifugation for 10 minutes at approximately 3000×g. remove serum and assay immediately or aliquot and store samples at -20℃ or -80℃.avoid repeated freeze-thaw cycles
plasma- collect plasma using edta or heparin as an anticoagulant. centrifuge samples for 30minutes at 3000×g at 2-8℃ within 30 minutes of collection. store samples at -20℃or -80℃. avoid repeated freeze-thaw cycles.
cell culture supernates and other biological fluids-remove particulates by centrifugation and assay immediately or aliquot and store samples at -20℃or -80℃. avoid repeated freeze-thaw cycles.
note: the samples shouldbe centrifugated adequately and no hemolysis or granule was allowed.
materials required but not supplied
1. standard microplate reader(450nm)
2. precision pipettes and disposable pipette tips.
3. 37 ℃ incubator
precautions
1. donotsubstitutereagentsfromone kitto another.standard, conjugateandmicroplates are matchedfor optimal performance.useonly thereagentssuppliedby manufacturer.
2. donotremovemicroplatefromthe storage baguntilneeded.unusedstripsshouldbe stored at2-8°cin their pouchwiththe desiccantprovided.
3. mix all reagents before using.
remove allkitreagentsfromrefrigerator and allowthemto reachroomtemperature( 20-25°c)
materials supplied
name
96determinations
48determinations
microelisa stripplate
12*8strips
12*4strips
standard
0.3ml
0.3ml
sample diluent
6.0ml
3.0ml
hrp-conjugate reagent
10.0ml
5.0ml
20x wash solution
25ml
15ml
chromogen solution a
6.0ml
3.0ml
chromogen solution b
6.0ml
3.0ml
stop solution
6.0ml
3.0ml
closure plate membrane
2
2
user manual
1
1
sealed bags
1
1
note: standard concentration was followed by:
80、40、20、10、5、0 nmol/l.
reagent preparation
20×wash solution:dilute with distilled or deionized water1:20.
assay procedure
1. prepare allreagentsbeforestartingassayprocedure.itisrecommendedthatallstandardsand samplesbe addedin duplicateto the microelisastripplate.
2. add standard: set standard wells, testing sample wells. add standard 50μl to standard well.
3. add sample: add testing sample10μl then add sample diluent 40μl to testing sample well; blank welldoesn’t add anyting.
4. add100μlofhrp-conjugate reagentto each well,cover with anadhesive stripandincubatefor60 minutesat37°c.
5. aspirate each well and wash, repeating the process fourtimes for a total of five washes.wash by filling each well with wash solution(400μl) using a squirt bottle, manifolddispenseror autowasher. complete removal of liquid at each step is essential to good performance. after the last wash, remove any remaining wash solutionby aspirating ordecanting. invert the plate and blot it against clean paper towels.
6. add chromogen solution a 50μl and chromogen solution b 50μl to each well.gently mix and incubate for 15 minutes at 37°c. protect from light.
7. add 50μl stop solution to each well. the color in the wells should change from blue toyellow. if the color in the wells is green or the color change does not
appear uniform,gently tap the plate to ensure thorough mixing.
8. readtheopticaldensity(o.d.)at450nmusinga microtiterplatereaderwithin15minutes.
calculation of results
this standard curve is used to determine the amount in an unknown sample. the standard curve is generated by plotting the average o.d. (450 nm) obtained for each of the six standard concentrations on the vertical (y) axis versus the corresponding concentration on the horizontal (x) axis. first, calculate the mean o.d. value for each standard and sample. all o.d. values, are subtracted by the mean value of the zero standard before result interpretation. construct the standard curve using graph paper or statistical software. to determine the amount in each sample, first locate the o.d. value on the y-axis and extend a horizontal line to the standard curve. at the point of intersection, draw a vertical line to the x-axis and read the corresponding concentration. any variation in operator, pipetting and washing technique, incubation time or temperature, and kit age can cause variation in result. each user should obtain their own standard curve.the sensitivity by this assay is0.1 nmol/l.standard curve
storage： 2-8℃.
validity： six months.
for research use only; not for therapeutic or diagnostic applications!please read through entire procedure before beginning!
菲尼克斯 2798844 2类电涌保护连接器，采用大功率压敏电阻，
不锈钢多层过滤器使用说明
生物反应器的注意事项
变压器油过滤机是优化电力设备性能的工具
玻璃鳞片胶泥涂料施工控制技巧
人可溶性转铁蛋白受体（sTfR）ELISA检测试剂盒
金相试样磨抛机操作规程及注意事项
印染厂污水处理系统
剥离强度试验机使用注意事项
不锈钢链条厂为您解析导致链条吱吱作响的因素有哪些
JTJ275-2000 混凝土表面涂层抗氯离子渗透性试验装置使用方法
在使用前要先清楚轴电流监测装置的相关知识点
使用激光尘埃粒子计数器时需要注意的事项
西门子6ES7531-7KF00-0AB0
自动包装秤为什么能吸引众多企业
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