polymerase chain reaction-based (pcr-based) and enzyme-linked immunoabsorbent assay (elisa) methods are now applied in the detection of major food-borne pathogens.

依据聚合酶链反应（pcr）和酶联免疫吸附检测（elisa）的方法目前被应用于主要食源性致病菌的检测。

the wooden box is actually a homemade device for doing polymerase chain reactions (pcr), a process that turns small samples of dna into quantities large enough to analyze.

那个木箱子实际上就是一台自制的进行聚合酶链反应（pcr）设备。pcr是一个工艺过程，可以将dna样本增殖到数量足够大，达到可以分析的程度。

ebv dna was identified in brain biopsy specimens by polymerase chain reaction.

采用聚合酶链反应鑒定了脑活检标本中的eb病毒dna。

the principle, method and application of polymerase chain reaction(pcr) was introduced in this paper.

介绍了分子生物学前沿技术聚合酶链式反应（pcr）的原理、方法及应用。

polymerase chain reaction is really just a process of heating and cooling genetic material.

聚合酶链反应（pcr）确实就是一个给遗传物质加热和冷却的工艺而已。

the diagnosis is supported or confirmed by growing the bacteria from specimens of spinal fluid or blood, by agglutination tests or by polymerase chain reaction (pcr).

通过脊髓液或者血液标本培养出细菌，做凝集试验或者聚合酶链反应（pcr）实验，会支持或确认诊断结果。

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。

methods herpes simplex virus (hsv) was isolated in 82 patients with typical genital herpes by vero cell method, and was detected by polymerase chain reaction (pcr) at the same time.

方法采用细胞培养法对82例临床诊断为典型生殖器疱疹的患者进行人类单纯疱疹病毒（hsv）分离培养，并同时进行聚合酶链反应（pcr）检查。

methods:the 5ht2a receptor gene t102c polymorphism was analyzed for genotyping by the method of polymerase chain reaction(pcr) in 177 male patients with schiz phrenia of different areas.

方法：采用聚合酶链反应的方法对不同省区的177例男性精神分裂癥患者5ht2a受体基因t102c多态进行基因型分析。

serology aimed at m leprae-specific phenolic glycolipidantibodies and polymerase chain reaction may also be used but fail to reliablydetect early disease.

血清学检测是针对麻风桿菌特异性式碳酸糖酯抗体进行，此外聚合酶链式反应（pcr）也可用于检测，但对于早期诊断并不可靠。

the researchers used a technique called polymerase chain reaction to rapidly amplify tiny pieces of bacterial dna.

研究人员使用了一种被称作聚合酶链式反应的方法可以快速扩增细菌dna的微小片断。

cervical cytology and biopsy were analyzed for 14 oncogenic hpv types using polymerase chain reaction.

用聚合酶链反应分析了宫颈细胞学和活检中的14种致癌hpv型。

a panel of 24 oral fluids was used to investigate if measles virus haemagglutinin (h) and nucleocapsid (n) genes could be amplified by polymerase chain reaction directly from used poct strips.

通过聚合酶链反应对一组24个使用过的床旁检测测试条上的唾液标本进行检测，分析麻疹病毒血凝素（）和核蛋白（n）基因是否可以直接检出。

pcr—the polymerase chain reaction—is a crucial tool. the dna amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases.

聚合酶链反应是关键。dna样本扩大技术广泛应用于基因组测试、取样或者各种疾病诊断。

scientists commonly use a method called polymerase chain reaction (pcr) to create copies of a specific part of dna.

科学家通常使用一种称为聚合酶链式反应（简称pcr）的实验对dna特定区域进行拷贝。

polymerase chain reaction (pcr) assay

聚合酶链反应（pcr）测定

even abstruse and highly specialized technologies like polymerase chain reaction have their roots in the existing practices of other genres.

甚至那些十分深奥和专业的技术，如聚合连锁反应，都植根于原有的很多技术实践。

use of most molecular marker systems depends on the polymerase chain reaction (pcr), which is an important technique for amplifying specific dna sequences.

大多数分子标记体系的利用都取决于聚合酶链反应（pcr），这是一项扩增特定dna序列的重要技术。

polymerase chain reaction (pcr).

聚合酶链反应。