Mustapha modified the PCR test by adding a dye to the test sample.

幕斯塔法对PCR检测进行了修改，给检测样本增加了一个染剂。

The dye is absorbed by dead salmonella cells; thus, the PCR test can ignore the dead cells.

这个染剂会被已经死亡的沙门氏菌细胞吸收，这样P CR检测便能忽略死亡细胞。

Utah-based DxNA has asked the U.S. Food and Drug Administration to approve its quick GeneSTAT PCR test.

美国犹他州DxNA要求美国食品和药品管理局核准他们的快速基因STAT PCR试验。

The results of PCR test for samples consistent with the results of clinical and pathological diagnosis.

PCR扩增采集的病料检测结果与临床诊断和病理学诊断结果完全一致。

Through differentiation, we selected 24 excellent lines to PCR test. All the lines were positive in PCR.

经选择再分化实验，选择出长势及卡那霉素抗性最优的24个无菌株系，经PCR检测均为阳性。

PCR test did not confirm the presence of GUS transgene in the progeny of plants with GUS positive inflorescences.

不过花序表现为GUS阳性的植株后代，经P CR检测后并没有证实GUS基因存在。

Methods The target pathogens were isolated and cultured, and subject to biochemical identification and the PCR test.

方法 采用分离培养、生化鉴定、PCR检测病原体。

RT PCR test proved that the isolate belongs to serotype of American PRRSV and shares the same subgenotype with ATCC VR2332.

结合病毒分离鉴定确诊为PRRS病毒（PRRSV）感染，RT PCR试验证实分离毒属美洲型PRRSV ，且与ATCC VR2 332株属同一基因亚型。

A PCR test that detects the actual presence of viral DNA can also be done, but cannot give an accurate result until a baby is around six weeks old.

P CR检测可以测出实际存在的病毒的DNA，但是只有到婴儿六周左右的时候才能给出确切的结果。

Mustapha's modification lets food scientists use the PCR test to capitalize on its speed, selectivity and sensitivity, but avoid false-positive tests by differentiating between dead and live cells.

幕斯塔法的修改使食品科学家在使用PCR测试时，可以有效利用其高效性、有选择性和敏感性，并且通过区分死亡细胞和活细胞避免误测。

PCR test of the resistant plants indicated that 40% of the Hyg-resistant plants showed strong positive reaction, suggesting that chitinase gene had been integrated into the genome of rapeseed.

对部分经潮霉素筛选得到的再生植株进行了多次重复P CR检测，发现其中40 %以上的潮霉素抗性植株均表现出较强的阳性反应，初步证明几丁质酶基因已整合到油菜细胞核基因组中。

Current multiplex polymerase chain reaction (PCR) techniques can at most offer detection from among 50 organisms in one test.

现行的多元聚合酶链反应(PCR)技术最多只能在50种生物内进行一次检测。

All had been evaluated using a slower but highly accurate test called real-time reverse transcription-polymerase chain reaction, or rRT-PCR, which checks for the genetic material of the virus.

应用一种缓慢但高度准确的试验，检测病毒的基因物质，叫即时逆转录-聚合酶链反应，或是rRT - P CR，全部做了评价。

The waves give us a biomarker to test for the presence of these bacteria, even when we can’t detect them with classical techniques like PCR.

这个电磁信号可以作为检测细菌存在与否的生理标记，尤其是当传统的检测方法，比如PCR不起作用的时候。

The waves give us a biomarker to test for the presence of these bacteria, even when we can't detect them with classical techniques like PCR.

这个电磁信号可以作为检测细菌存在与否的生理标记，尤其是当传统的检测方法，比如pcr不起作用的时候。

PCR the short name for "polymerase chain reaction," a sensitive lab test that can measure the presence of cancer cell-markers in the blood or marrow.

“聚合酶链式反应”的简称，一种可在血液或骨髓中检测到癌细胞标志物存在的灵敏的实验室试验。

The bovine, sheep and goat derived materials were positive in mixed feed powders of level test by PCR and restriction enzyme analysis.

P CR检测和酶切鉴定结果表明，在水平测试的混合饲料粉中可检出牛源、羊源性成分。

It is revealed in this study that the multiplex PCR, specific, sensitive, rapid, can be applied to routine test of imported fish meal, meat and bone meal.

本研究表明，复合pcr是一种特异、敏感、快速的沙门菌检测方法，可应用于口岸系统鱼粉、肉骨粉的日常检测。

Objective to investigate the correlation between phenotypic confirmatory by double disc test and genotype of CTX-M-enzymes detected by multiplex polymerase chain reaction (PCR).

目的了解采用双纸片协同法进行CTX - M酶的表型检测与多重pcr法检测基因型的相关性。

The positive control cell line DNA was mixed in different proportions with the DNA extracted from reactive lymphoid tissue to test the sensitivity of the touch-down PCR.

阳性细胞系DNA模板与反应增生性淋巴组织DNA按不同比例混合后扩增，检测降落式PCR的灵敏度。