OBJECTIVE To study the effects of electroporation on the permeation of small molecular ion drug through skin in vitro.
目的研究电穿孔技术对小分子离子型药物经皮渗透的影响。
It pointed out that the negative ion DCIMS can provide very useful information for characterizing molecular ion of monosaccharides.
指出负离子解吸化学电离质谱对鉴别低碳醣的分子离子可以提供十分有用的信息。
The existence of carbonyl group in structure seems to be a factor that favors the formation of quasi-molecular ion (QMI) or other adduct molecular ion (OAMI) in positive mode.
化合物结构中羰基的存在似有利于化合物在正离子模式下形成准分子离子或其它分子加和离子。
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