| 1. | Different solvents affecting the rate of humic acid extraction are discussed 讨论了不同抽提剂对腐殖酸的提取率的影响。 |
| 2. | Detection of genetically modified organisms and derived products - nucleic acid extraction 转基因产品检测核酸提取纯化方法 |
| 3. | Foodstuffs - methods of analysis for the detection of genetically modified organisms and derived products - nucleic acid extraction 食品.基因改良有机体及其衍生物检测的分析方法.核酸萃取 |
| 4. | Foodstuffs - methods of analysis for the detection of genetically modified organisms and derived products - nucleic acid extraction 食品.基因改良有机物及其衍生产品检测的分析方法.核酸萃取 |
| 5. | Foodstuffs - methods of analysis for the detection of genetically modified organisms and derived products - nucleic acid extraction iso 21571 : 2005 ; german version en iso 21571 : 2005 食物.基因改良生物体及其衍生物检测的分析方法.核酸 |
| 6. | Three pretreatments including air oxidation pretreatment , nitric acid oxidation pretreatment , ultrasonic pretreatment are used to increase the rate of humic acid extraction 采用空气氧化预处理、硝酸氧化预处理、超声波预处理三种方法提高腐殖酸的提取率。 |
| 7. | This review summarizes the progression in preparation and preprocessing technologies of biological specimens . it especially introduces the preprocessing technologies , including centrifugation , filtration , dielectrophoresis , immunomagnetic separation , nucleic acid extraction 摘要介绍生物标本的制备与预处理技术的进展,其中,重点介绍生物标本的预处理技术,包括离心分离、过滤、两相电泳、免疫磁性分离及核酸抽提方法。 |
| 8. | Two plasmids , which contain hbv specific dna fragment and hsv1 dna fragment , were amplified by solid phase two loci pcr and detected by enzymatic indicator system on a gene chip that was constructed by primer immobilization and modified with thiol group on chip surface . for building detection technology by dna chip in clinical , the virus genomes were extracted from the clinical positive samples by one - step nucleic acid extraction 采用已建立的芯片制备方法,在该六种质粒中选择含有hbv与hsv1两种病毒dna序列的质粒为模板,进行同相两重pcr ,采用芯片酶学枪测对固相两重pcr的扩增结果进行检测,得到良好的芯片酶学检测结果。 |