标记率

采用抗坏血酸钠为还原剂时，标记率为45%；

The labeling yield is about 45 % using sodium ascorbate as reductant ;

进一步的工作是要提高标记率和标记物的纯度。

The further improvement of labeling yield and purity of the label should be made .

~（99）Tc~m-IT-Ritux-imab的标记率>90%，其与B淋巴瘤细胞株Raji细胞的结合率为69.4%。

The binding rate with B lymphoma cell line Raji cell was 69.4 % .

术后2、3个月荧光标记率、矿化沉积率各组间均无显著差异（p0.05）。

Two and three months after operation there was no statistically significant difference between among four groups ( p0.05 ) .

在Ⅲ级肿瘤中用Ki-67标记率代表肿瘤的增殖活性不可靠。

It is unreliable to represent the proliferation of tumor by the Ki-67-positive incidence in grade ⅲ .

P21标记率在异倍体腺癌中明显高于二倍体腺癌。

In addition , the sign of P 21 is higher obviously in alloploid carcinoma than in diploid carcinoma .

结果：在光照、高湿度下，标记率及pH值均没有明显变化；（41.0±s1.0）°C的高温下，标记率有明显降低；

RESULTS : Labeling yield and pH were not changed obviously under light and heavy humidity , whereas there was a significant reduction in labeling yield under high temperature ( 41.0 ± s 1.0 ) ° C .

辐射15d后，实验鼠与对照鼠相比CD8标记率显著增高（P<0.05）。

The expressions of CD8 increased obviously at 15 th days compared with control ( P < 0.05 ) .

125ILPT的放射性比活度为1.43MBq/μg，125I的总标记率为37.8%；

The specific radioactivity of 125I-LPT was 1.43 MBq / μ g , the total labeling rate of 125I was 37.8 % ;

使用该药，只要用药量在（0.1&0.2）mg/kg体重时，就能在体内得到标记率大于96.0%的~（99m）Tc-红细胞。

The labelling efficiency of more than 96.0 % can be obtained as long as the dose of 0.1 & 0.2mg/kg body weight is used .

用放射自显影法验证肝抑素三级样品对再生肝细胞摄取～3H-TdR的影响，也表明可使再生肝肝细胞核标记率明显下降，并与液门测定结果一致，以肝抑素纯品的活性最强。

The effects of the three HC products on the ' H-TdR uptake of the regenerating hepatocytes were also verified by autoradiography .

结果表明，~（99m）TcMIBI的制备反应为吸热反应，反应热ΔH为339.2kJ/mol，升高反应温度时，~（99m）TcMIBI的标记率也提高。

The result shows that the preparation of 99mTc - MIBI exhibits a endothermic reaction . The reaction heat (△ H ) was equal to 339.2 kJ / mol.

结果显示：1）在适当条件下，本法标记率可达85%，放射性纯度为90%，放射性比度为4.77×105Bq/μg（ASON）。

Results showed that 1 ) The Labelling efficiency was 85 % under suitable conditions and radiopurity was 90 % , and specific radioactivity was 4.77 × 105Bq / μ g ( ASON ) .

结果MSCs的Fe2O3-PLL标记率近100%，普鲁士蓝染色显示蓝色铁颗粒位于MSCs胞质内。

Results Rat MSCs were successfully labeled , and labeling efficiency was almost 100 % . Prussian blue staining of Fe_2O_3-PLL labeled cells revealed the presence of iron-containing vesicles or endosomes in the cytoplasm .

结果：典型脊索瘤与软骨样脊索瘤PCNA的表达差异无显著性，但复发者PCNA的标记率明显较未复发者为高（P<005）。

Result : The difference of PCNA labeled index ( PCNA LI ) was not significant between typical and chondroid variant of chordomas , but PCNA LI in recurring chordomas was significantly higher than that of non recurring chordomas .

结果显示平均标记率为68.4%，纯化后99Tcm-ASON在室温4h内放化纯度大于94%；

The results show that the average labeling efficiency of 99 Tc m-ASON is 68.4 % , the radiochemical purity remained higher than 94 % for 4 h after labeling at room temperature .

根据2-3H标记率计算葡萄糖摄取量。

Myocardial glucose uptake was calculated by the detritiation rate of 2 - 3H-glucose .

结果补骨脂素组大鼠前列腺湿重低于各对照组（P<0.05），ER和AR的标记率明显下降（P<0.05）。

Result The wet weight of rat prostate in the psoralen group was lower than that of oth-er groups ( P < 0.05 ) . The tagged rates of ER and AR of prostatic cells were obviously decreased ( P < 0.05 ) .

结果血小板的分离率平均达52.6%，~（99m）TC及~（51）Cr的标记率分别达30.6～33.7%及5.7～6.7%，血小板平均生存期达4.1天。

The separation rate was up to 52.6 % . The labelled rate for ~ ( 99 ) mTc was 30.6 33.7 % , for ( 51 ) Cr 5.7 6.7 % . The mean life-span of platelets was 4.1 days .

结论：本研究中ASODN以螯合剂EC与99mTc连接，形成的EC-ASODN其标记率高，放化纯高，比活度符合要求，与血浆蛋白结合率低，复合物稳定。

EC and ASODN were connected by chemical technology . This method is of high labeling yield , of high radiochemical purity , of suitable specific activity and of low plasma protein-combining rate .

采用流式细胞技术检测该制剂（80~320μg.mL-1）对c-myc基因阳性蛋白标记率的影响。

Technique of flow cytometry in vitro was used to measure the rate of positive sign of SLAP ( 80 ~ 320 μ g · mL ~ ( - 1 )) on c-myc gene protein of SGC-7901 cells .

结果131I-Herceptin的标记率为93%，RCP为95%，在BT-474细胞结合率为（36.9±4.7）%。

Results The labeling rate of 131I-herceptin was 93 % with RCP of 95 % and binding rate to BT-474 cells of 36.9 % .

结果：125I-leptin的放射性比活度为143MBq/μg，125I的总标记率为378%，用以建立的RIA各项技术指标均满足临床要求。

Results The specific radioactivity of 125 I-leptin obtained was 1.43 MBq / μ g , the total labelling rate of 125 I was 37.8 % , and the technical specifications of leptin RIA could meet the requirement for clinical use .

~（125）I-LDL的脂标记率低于3%，符合于示踪代谢的要求。

The lipid labelling rate of 125I-LDL was . lower than 3 % , which is suitable for metabolic tracing .

随着组织学分级递增，Ki67标记率及单克隆重排递增（P<0.05）。

Expression of Ki-67 and monoclonal IgH gene rearrangement were significantly increased with the crescendo of lymphoid hyperplasia grading ( P < 0.05 ) .

将此方法用于LAK活性测定取得较好的实验结果，并具有外照射损伤小、标记率高、自发释放相对低而特异性释放高等优点。

We dected the Lymphokine-activated killer ( LAK ) cell activity using this method and got better results . In addition , there were a lot of advantages such as lower spontaneous release , higher labelling rate and specific release , etc.

测定标记率为35.1%，蛋白质回收率达到69.1%，比放射性为1.37mCi/mg；

The recovery ratio of protein was 69.1 % . The specific radioactivity of 125I-PEG-SOD ( PEG6000 ) was 1.37mCi/mg .

血小板膜GPⅠb百分标记率在MPD组为60.51%±11.80%，较正常对照组75.84%±6.18%减低（P<0.01）。

The percentage of platelet membrane GP ⅰ b was significantly decreased to 60 . 51 % ± 11 . 80 % in MPD , which is lower than that of the normal controls 75 . 84 % ± 6 . 18 % ( P < 0 . 01 ) .

结果：以最佳比例修饰SZ-51，每分子抗体游离巯基数为13个，纸层析法测得标记率为90%以上，ELISA结果表明基本保留了抗体的免疫活性。

Results The McAb was modified at the best ratio , and the number of free thiol groups per antibody molecule was 13 . The radiolabeling rate was 90 % ~ 95 % . The results of ELISA showed that antibody reactivity was not affected .

体外间充质干细胞的67Ga-Oxine标记率为82.5%，放射活性为15.26MBq/106细胞，标记48h后细胞存活率>95%。

MSCs labeling efficiency with 67Ga-Oxine was 82.5 % in vitro , resulting in an radioactivity of approximately 15.26 MBq / 106 cells ; The cells survival rate was > 95 % tested at 48 hours after labeling .