Zhongguo shiyan zhenduanxue, 2009 目的通过比较两种从石蜡包埋组织中提取基因组DNA的方法,确定一种高效、经济而简便的方法指导实际工作。方法按照两种方法（脱蜡法与非脱蜡法）提取DNA,比较所提DNA的质量,PCR扩增β-Globin基因作为基因分析的对照扩增,并对其中非脱蜡法进行改良。结果两种方法所提取的DNA均能达到相关分子学实验的要求,PCR扩增带清晰,结果较为相似。结论非脱蜡法也能提取出适用于PCR技术要求的DNA,方法简便、经济。
王卡娜 +4 more
doaj
[Extraction of respiratory signals from chest tomosynthesis]. [PDF]
Nan Fang Yi Ke Da Xue Xue Bao, 2021 Li Q +5 more
europepmc +1 more source
Dianci bileiqi, 2017 目前金属氧化物避雷器（MOA）的主要监测技术是基于阻性泄漏电流谐波分析,因此从总泄漏电流中提取阻性电流成分至关重要。针对时滞叠加法只能在纯正弦波电压下提取阻性电流成分的缺陷,本文对时滞叠加法进行了优化,使其能够在谐波电压下准确提取MOA阻性泄漏电流成分。为了研究优化算法的性能,使用ATP-EMTP对MOA进行仿真,然后分别用两种算法在谐波电压下提取阻性泄漏电流并与实验结果进行对比。结果表明,提出的优化算法能够更准确地在谐波电压下提取阻性泄漏电流成分。
于忠江 +3 more
doaj
[Fetal electrocardiogram signal extraction and analysis method combining fast independent component analysis algorithm and convolutional neural network]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2023 Yang Y, Hao J, Wu S.
europepmc +1 more source
[A study on heart sound classification algorithm based on improved Mel-frequency cepstrum coefficient feature extraction and deep Transformer]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiMeng X, Zhang S.
europepmc +1 more source
[Effect of AI-assisted compressed sensing acceleration on MRI radiomic feature extraction and staging model performance for nasopharyngeal carcinoma]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoLi X, Xu G, Liu J, Feng Y.
europepmc +1 more source
野生动物学报羽毛是鸟类研究、监测和管理中常用的非损伤性材料，可从中提取DNA和激素进行遗传和生理分析。然而，作为高度角化的组织，羽翈中的DNA和激素含量极低，提取较为困难。本研究开发一种能够从羽翈中同时提取总DNA和糖皮质激素的方法，命名为DH-CoEx。以丹顶鹤（Grus japonensis）、绿孔雀（Pavo muticus）为代表的大型鸟类廓羽、尾上覆羽和以栗鹀（Emberiza rutila）、小鹀（E.pusilla）为代表的小型鸟类飞羽、绒羽进行测试和评估。结果显示：DH ...
于梦佳 +9 more
doaj
[A GA-BP neural network model based on spectrum-effect relationship for assessing spectrum-effect score and quality evaluation of Cassia seeds extract]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoYan H, Wang H, Zou C.
europepmc +1 more source
[Recent applications of porous-material-based adsorbents for extracting pesticide residues from environmental and foodstuff samples]. [PDF]
Se PuXu QT, Yu M, Xie C, Cao Y, Mei SR.
europepmc +1 more source