光密度

guāng mì dù
  • optical density
光密度光密度
光密度[guāng mì dù]
  1. 这种由于DNA离解或融解引起的光密度增加,称之为增色效应。

    This increased optical density caused by a disassociation or melting of the DNA is called hyperchromicity .

  2. 用CCD测量光密度的新方法

    A new method of measuring optical density with CCD Technology

  3. 同一小鼠不同DNA含量倍体肝细胞核的平均光密度值差异较小。

    The AOD of different DNA content ploidy was not the same .

  4. 人类染色体G带的光密度识别与分析

    Photometric Density Recognition and Analysis for Human G-Banded Chromosomes

  5. 采用聚合酶链反应(PCR)技术和光密度扫描检测两组线粒体DNA的缺失突变情况。

    Deletion mutation state of the two groups of mitochondria DNA were detected by PCR technology and photodensity scan .

  6. 梯度稀释的标准质粒(103-108拷贝)PCR扩增后使用图像分析软件包分析琼脂糖凝胶电泳的图像,测量PCR产物带的光密度,经统计获得标准曲线及方程。

    A image analysis software was used to measure the brightness of PCR product bands on the agarose gel .

  7. 应用SDS-PAGE及光密度扫描测定肾综合征出血热纯化疫苗(Ⅰ型)纯度

    Purity detection of HFRS vaccines by scanning after SDS PAGE

  8. 经调营饮及各药物组治疗后,平均光密度值明显高于模型组,且有统计学意义(P0.05)。

    The average optical density of every drug groups were higher than model group after treatment ( P0.05 ) .

  9. 结果表明:过氧化物酶的光密度值(OD)在不同种或品种之间有差异;

    OD of POD was different among species or varieties .

  10. 通过测定DNA迁移部分的光密度或迁移长度可定量地统计分析各组细胞的DNA损伤程度。

    By measuring fluorescence intensity of DNA migration section or migration length , the technique could analysis the degree of injury of DNA cells of each group .

  11. 摄制后肢X射线片,运用POS显微光密度仪和PC机分析X射线片密度。

    X-ray films of lower limb were taken and the density of bone was analyzed by POS micro ray-density instrument and PC.

  12. 图像分析,sialyl-LeX阳性细胞平均积分光密度值在低分化腺癌中显著高于高、中分化腺癌和粘液腺癌(P<0.01);

    The mean integral optical density of sialyl-LeX positive cell in poorly differentiated adenocarcinoma was significantly higher than that in highly differentiated and mucinous ones t ( P < 0 . 01 ) .

  13. 分别提取各组灌药小鼠脾脏RNA,应用逆转录多聚酶链式反应(RT-PCR)检测IL-2mRNA的表达水平,凝胶图象光密度分析系统进行相对定量。

    Reverse transcription-polymerase chain reaction ( RT-PCR ) and gel documentation analysis system were exploited to detect the IL-2 mRNA expression levels .

  14. 快速扩张后的皮肤与正常皮肤相比较,其表皮明显增厚,细胞间隙增宽,DNA平均光密度不变,但积分光密度增加;

    After rapid expansion , the thickness and intercellular space of the skin increased , average optical density of DNA remained unchanged , but integral optical density of DNA increased ;

  15. 方法用显微镜通过CCD获取显微医学图像,采用光密度参数进行分析。

    Methods Acquisition of medical images were performed by means of CCD under microscope . Optical density was taken as the parameter of analysis .

  16. 白念珠菌感染后小鼠阴道黏膜内CD11c+DC平均光密度值明显高于对照组(P0.05)。

    The average optic density of CD11c positive DCs in vaginal mucosa in the candidiasis group was higher than that in control ( P0.05 ) .

  17. 彗星电泳结果显示,药物作用后,细胞核电泳形成明显的拖尾,细胞核光密度降低,并且差异有统计学意义(P<0.01)。

    Comet assay showed that the nuclei form a distinct tail after electrophoresis , and the nuclear optical density decreased after Dio effecting . The difference was statistically significant , ( P < 0.01 ) .

  18. 以光密度(OD)读数作为判定血清溶血素水平的指标。

    The values of optical densit ( OD ) were regarded as the indexes of serum hemolysin level .

  19. 结果:CFos反义寡核苷酸在不同浓度和时间下对谷氨酸处理原代培养海马神经细胞光密度值均有增加。

    Results : The optic densities of different hippocampal neuron groups treated with c fos antisense oligonucleotide either before or after incubating with glutamate are increased .

  20. NPY神经元平均光密度、细胞数、截面积减少。

    The mean optical density , the number and sectional area of NPY neurons were decreased .

  21. 方法以光密度法测定酶解液氨基酸为指标,对酶解温度、时间、pH和酶底比进行比较,用正交试验设计法筛选酶解最佳工艺条件。

    Method The conditions of temperature , duration , pH and the ratio of enzyme to substrate were compared by using the absorbance of amino acids in enzymolysis liquid as indicator .

  22. 应用辅助血浆纤维蛋白原活性测定系统测定Fg浓度、纤维蛋白单体聚合速率与最大光密度的比值(FMPV/Amax)。

    The Fg concentration , FMPV / Amax were tested with assisting plasm Fg activity assay system .

  23. 方法端粒重复扩增法(TRAP)结合光密度定量分析端粒酶活性和临床病例资料分析。

    Methods The telomeric repeat amplification protocol ( TRAP ) combined with semiquantitative analysis was performed to examine bone marrow cells of leukemic patients in clinical course .

  24. 于体外培养18天后,96孔培养板行MTT比色分析测定光密度值(A值),以检测培养的神经元活力。

    Eighteen days after culturing , MTT staining analysis was performed to test the vitality of the cultured neurons in the 96-well cultured plate .

  25. 结论:小鼠汞暴露可导致睾丸生精细胞Bcl-2、Bax蛋白表达阳性细胞率和平均光密度值显著性改变,生精细胞和精子超微结构发生明显的变化。

    CONCLUSION : Mercury exposure caused abnormal Bcl-2 and Bax protein expression , average optical density change and ultrastructural changes in spermatogenic cells and sperms .

  26. 电针组大鼠海马区等神经元β-淀粉样蛋白阳性细胞数明显减少、平均光度、积分光密度总和显著增加(P<0.05)。

    In EA group , the number of β - amyloid positive hippocampal neurons was greatly reduced whereas the average optical density ( OD ) and the total integral OD significantly increased ( P < 0.05 ); 4 .

  27. 模型组大鼠切片中,IL一6免疫细胞化学反应呈阳性显示,而各处理组药物中IL一6免疫反应吸收光密度有显著降低(P<0.05),阳性细胞白分率明显降低(P<0.05)

    Model rats ' immune celluar chemical response to IL-6 was positive , while other groups all decreased in both O. D. and positive cell percentage .

  28. 脂肪肝组Leptin受体酪氨酸磷酸化蛋白表达降低,其光密度值与正常组及肝硬化组比较差异在统计学上均有显著差异(P<0.01);

    The OD value of of leptin receptor in rat hepatic tissu was significantly decreased in fatty group compared with the hepatic cirrhosis group and the control ( P < 0.01 ) .

  29. 颈淋巴结中转移阳性和阴性间的FC和平均光密度有显著性差异(P<005或<0001)。

    The difference of FC expressed in positive and negative lymph nodes metastasis were significant ( P < 0.05 or < 0.001 ) .

  30. 采用光密度法检测各组血清、BALF中SOD、GSH、MDA含量。

    The serum and BALF of each group were collected , the level of SOD , MDA , GSH in serum and BALF was detected .