[Effects and mechanisms of cerium-myricetin nanosystem on wound healing in rats with full-thickness burns]. [PDF]
Wang T +7 more
europepmc +1 more source
<正> 该木材防腐剂为棕红色糊状无机盐混合物,内含五价砷、六价铬和二价铜盐。为提高防腐剂的效率,需寻求最佳组分配比和酸的种类与含量。离子色谱法测定PO_4~(3-)和SO_4~(2-)的报道较多,而测定CrO_4~(2-)的报道多为纯盐和单一体系,最佳结果CrO_4~(2-)的检测下限500ppb,需时12分钟。
曹殿芳
core
[Preparation of a chiral porous organic cage-bonded silica high performance liquid chromatography stationary phase and its application to the resolution of chiral compounds]. [PDF]
Wu JL +5 more
europepmc +1 more source
建立了一条从人血浆中分离高活性凝血因子Ⅷ(FⅧ)的纯化工艺。基于FⅧ和介质孔径的尺度比及其对蛋白质活性影响的分析,设计了以超大孔离子交换制备色谱为核心步骤的新型分离纯化工艺。分别进行超大孔离子交换色谱与传统离子交换色谱的条件优化,并对优化工艺所得产品进行了活性检测(底物显色法)和纯度检测(高效凝胶过滤和凝胶电泳)。结果表明,超大孔介质结构不但可以有效地保护蛋白质大分子结构,而且能够大幅度地提高制备色谱的传质速率,从而得到具有高凝血活性的FⅧ产品。FⅧ在超大孔制备色谱过程中的回收率(85 ...
康丽梅 +6 more
core
[Experimental teaching design of instrument analysis for undergraduate study: detection of bifenthrin pesticide residues in tea by response surface methodology-optimized QuEChERS combined with gas chromatography-mass spectrometry]. [PDF]
Gu CX.
europepmc +1 more source
高效的活性筛选方法是新活性物质发现的关键。从筛选活性物质的角度,综述了近年来薄层色谱、高效液相色谱在天然产物活性物质筛选方面应用中的最新研究进展及其发展前景 ...
张卫 +4 more
core
[DOT1L controls neuronal amyloid precursor protein expres-sion via the p38 MAPK-mediated mitochondrial dynamics homeostasis axis]. [PDF]
Zhang Y +6 more
europepmc +1 more source
[Isolation and identification of <i>Pediococcus acidilactici</i> BPA03 derived from human milk and evaluation of its antioxidant and anti-aging probiotic properties]. [PDF]
Cao L, Huang P, Zhang Z, Sun W, Qiu F.
europepmc +1 more source
在参考传统的优化方法的基础上,将遗传算法用于等度反相色谱多元流动相分离条件的优化。详细介绍了基于线杂交和面变异的遗传算法的原理及其用于液相色谱分离条件优化的过程。将此法用于9种小肽的反相离子对色谱分离条件的优化,经过3次寻优操作,确定了最佳分离条件,实验保留值与预测值的平均相对偏差为0.75 ...
陈学国 +3 more
core
[Establishment and international comparison of reference methods for glycated hemoglobin]. [PDF]
Wang M +6 more
europepmc +1 more source

