Based on ion strength effects, UV spectra, the differences of single stranded DNA from double stranded DNA bound to clinafloxacin and I-quenching effects, the binding interaction mode between clinafloxacin and calf thymus DNA was studied. 采用离子强度的影响、紫外光谱的变化、单双链DNA作用的区别及I-猝灭等实验研究了克林沙星与小牛胸腺DNA间的相互作用模式。
The current response of Co~ ( 3+/ 2+) was dramatically enhanced at single-stranded DNA ( ssDNA) modified gold electrodes in the presence of excess 1,10-phenanthroline. 发现在过量1,10-菲咯啉存在时,Co~(3+/2+)在单链DNA(ssDNA)修饰金电极上的电化学响应显著增强。
Capillary Electrophoresis was used to evaluate the annealing of two complemental single stranded deoxyribonucleic acid ( DNA) qualitatively and quantitatively. The annealing efficiency can be observed from the electropherogram. 将毛细管电泳技术用于定性和定量评价互补单链脱氧核糖核酸(DNA)的退火反应,从电泳信号能直接观察退火效率。
The genomes of viruses in family Geminiviridae are single stranded DNA, and their replication strategies are distinctly different from that of RNA viruses. The geminiviruses use the replication machinery of the host and hence have been presumed to have a high fidelity of replication. 双生病毒(geminiviruses)是一类单链DNA病毒,其复制方式有别于植物RNA病毒,他们是利用寄主植物的DNA复制酶复制,理论上其忠实性远高于RNA病毒。
Single stranded DNA ( ssDNA) of 100 bases was adsorbed onto flat gold surface fabricated by depositing gold onto mica surface. 首先通过将金沉积到云母表面制备了表面粗糙度小于0.3nm的金膜,然后一段硫代的单链DNA(100bases)吸附到金膜表面。
An increased LPA concentration ( 4%, 6%), a lower running temperature ( 20 ℃) and a higher running voltage ( 9 kV) might be helpful for the separation of single, stranded DNA fragments. 较高浓度的LPA(4%~6%)、较低分离温度(20℃)和较高分离电压(9kV)有助于单链DNA峰分离。
Tests with diphenylamine, formaldehyde, and staining with acridine orange as well as the curves of thermal denaturation showed that this strain of virus had a single stranded DNA. 二苯胺试验,吖啶橙染色、甲醛试验及热变性曲线表明,该病毒是单链DNA病毒。
There are no less than 6 single-stranded DNA components in the genomic DNA of banana bunchy top virus ( BBTV). Six or some of this 6 components of BBTV isolates from some countries/ area have already been cloned and sequenced. 在香蕉束顶病毒(BBTV)的基因组中至少含有6个环状单链DNA组分,部分国家和地区的BBTV分离物现已有1-6个不等的DNA组分被克隆和测序。
The single stranded DNA can be used for labeling the probes in nucleic acid hybridization. 此单链产物用于标记探针进行核酸杂交。
Relationship between extensive intraductal component ( EIC) in breast cancer and expression of cathepsin D, Ki-67, single stranded DNA 乳腺癌广泛导管内癌成分与组织蛋白酶DKi-67及单链DNA表达的关系及临床意义
Geminiviruses are a group of single-stranded circular DNA viruses with twinned particles occurring worldwide. 双生病毒是一类具有孪生颗粒的单链环状DNA病毒。
Sequence variation was screened by means of PCR single stranded conformation polymorphism ( SSCP) and DNA sequencing. 用PCR-单链构象多态性(SSCP)和DNA序列分析方法确定扩增序列突变情况。
A 73 base single stranded DNA library with a T7 promoter was chemically synthesized, in which 20 consecutive bases were completely randomized. THE PAST GONE WITH WIND 化学合成含有20个核苷酸随机序列,长度为73个核苷酸的单链DNA随机库;往事随风
Fluorescent Features of the ZrO_2 Ceramic Beads Microarrayed with Texas Red Terminus-Modified Single Stranded DNA Probes 得克萨斯红末端修饰单链DNA探针微阵列ZrO2陶瓷小珠的发光特性研究
The interaction of vitamin B2 ( VB2) with single stranded DNA ( ssDNA) was investigated by cyclic voltammetry ( CV) and differential pulse voltammetry ( DPV). 核黄素(VB2)与单链DNA间的相互作用以循环伏安法、差示脉冲伏安法等电化学方法研究了VB2与单链DNA(ssDNA)的相互作用。
In the presence of Na+ or K+, single stranded DNA ( ssDNA) is able to form a G-quadruplex structure, thus to increase the rigidity of MG structure and result in a remarkable NIR fluorescence. 在Na+或者K+存在的条件下,单链DNA可以形成G-四联体结构,这种结构可以增强孔雀石绿分子的刚性使其荧光显著增强。
Canine parvovirus ( CPV) is non-enveloped single stranded negative DNA virus, is a major pathogen of dogs with acute hemorrhagic gastroenteritis and puppies myocarditis. 犬细小病毒(CPV)为无囊膜的单股负链DNA病毒,是引起犬急性出血性胃肠炎和幼犬心肌炎的主要病原。
Compound 4, however, as we discovered it, can be induced to aggregate by polyanions or single stranded DNA, which results in fluorescence quenching. 然而我们发现化合物4能够被多聚阴离子或单链DNA诱导聚集,进而导致荧光淬灭。