无机化学学报
無機化學學報
무궤화학학보
JOURNAL OF INORGANIC CHEMISTRY
2010年
11期
1961-1966
,共6页
陈志明%耿志荣%张志杨%梅毓华%王志林
陳誌明%耿誌榮%張誌楊%梅毓華%王誌林
진지명%경지영%장지양%매육화%왕지림
NH4Y3F10%基体%基质辅助激光解析电离飞行时间质谱%小分子%聚乙二醇
NH4Y3F10%基體%基質輔助激光解析電離飛行時間質譜%小分子%聚乙二醇
NH4Y3F10%기체%기질보조격광해석전리비행시간질보%소분자%취을이순
NH4Y4F10%matrix%MALDI-TOF-MS%small molecules%PEG
利用水热法合成出NH4Y3F10多孔纳米晶.由于Y3+离子的激发态能量可以转移给具有较高振动能的有机分子,冈此这些多孔纳米品可以作为基质辅助激光解析电离飞行时间质谱的基体材料,用于检测小分子和聚乙二醇.通过与商品化的基体材料(CHCA、DHB)对比,证明NH4Y3F10多孔纳米晶是一种性能优异的基体材料.这种新型基体材料已经成功应用于有机分子、小肽、C60、缺氧诱导因子(HIFS)和聚乙二醇的分子量的检测,显示出这种基体材料具有广泛的应用前景.
利用水熱法閤成齣NH4Y3F10多孔納米晶.由于Y3+離子的激髮態能量可以轉移給具有較高振動能的有機分子,岡此這些多孔納米品可以作為基質輔助激光解析電離飛行時間質譜的基體材料,用于檢測小分子和聚乙二醇.通過與商品化的基體材料(CHCA、DHB)對比,證明NH4Y3F10多孔納米晶是一種性能優異的基體材料.這種新型基體材料已經成功應用于有機分子、小肽、C60、缺氧誘導因子(HIFS)和聚乙二醇的分子量的檢測,顯示齣這種基體材料具有廣汎的應用前景.
이용수열법합성출NH4Y3F10다공납미정.유우Y3+리자적격발태능량가이전이급구유교고진동능적유궤분자,강차저사다공납미품가이작위기질보조격광해석전리비행시간질보적기체재료,용우검측소분자화취을이순.통과여상품화적기체재료(CHCA、DHB)대비,증명NH4Y3F10다공납미정시일충성능우이적기체재료.저충신형기체재료이경성공응용우유궤분자、소태、C60、결양유도인자(HIFS)화취을이순적분자량적검측,현시출저충기체재료구유엄범적응용전경.
Mesoporous NH4Y3F10 nanocrystals were fabricated to serve as a background-free matrix for analysis of small molecules and polyethylene glycols (PEGs) by matrix assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF-MS). The excited state of yttrium ions can transfer energy to high-energy vibrations of organic molecules, which provides the potential technological application in MALDI-TOF-MS analysis of small molecules and PEGs. The advantage of this matrix in comparison with a-cyano-4-hydroxycinnamic acid (CHCA) and 2,5-dihydroxybenzoic acid (DHB) was demonstrated by MALDI-TOF-MS analysis of a peptide mixture. The efficiency of the mesoporous NH4Y3F10 nanocrystals as a novel matrix of low molecular weight compounds was verified by analysis of small peptide, organic compounds, Cm and hypoxia-inducible factors (HIFs). This matrix is also successfully used for analysis of PEGs (PEG 8000 and PEG 15000), suggesting a potential for monitoring reactions and for synthetic polymers quality control.