小鼠 GAS (N-Acetylgalactosamine

The Use of NO Gas in Biological Systems

of NO may have complex biological reactivity. For example, dinitrogen trioxide (N2 O3 ) is a potent nitrosating agent that reacts with amines and thiols to generate N-nitroso and S-nitroso derivatives, respectively (6 –8 ). This problem has been addressed

Analysis of Fatty Acids by Gas Liquid Chromatography

components of cell lipids, they must first be converted into nonpolar, volatile derivatives before they can be separated and quantified by the rapid and highly sensitive technique of gas liquid chromatography (GLC).   Fig. 1.  Structural

小鼠精子冷冻方法的漫漫「取经路」

随着生命科学技术的不断发展，各种小鼠模型（转基因、基因敲除、基因敲入、人源化等）被广泛的开发和应用，如江苏集萃药康生物科技股份有限公司目前拥有自主品系数量已高达 22000＋，覆盖代谢、免疫、肿瘤、神经、发育等领域，保存这些模型需要大量的人力、财力和空间，而冷冻保存技术的出现，给科研学者提供了安全和经济保存种群资源的方法。此外精子冷冻在动物育种上可加速遗传改良，保存珍稀物种品系，防止遗传漂变，节省饲养空间等诸多优点，本文将简要介绍小鼠精子冷冻技术发展重要的几个历程。 第一道困境 也是故事