High resolution mass spectrometry imaging using 3 micron laser ablation
High resolution mass spectrometry imaging using 3 micron laser ablation
复制标题
使用 3 微米激光烧蚀进行高分辨率质谱成像
DOI:
10.1117/12.2649191
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
Battle R
中科院分区:
文献类型:
--
作者:
Battle R
We report a single-cell level resolution (≤10 µm), laser desorption-based mass spectrometry imaging platform. An optical parametric amplifier is used to generate ∼100 ps, 200 nJ pulses at around 3 µm with a maximum repetition rate of 500 kHz. The pulses are tightly focussed on to fresh frozen animal tissue samples with a thickness of 10 µm. Small volumes of tissue are readily ablated by the laser and are subsequently chemically analyzed using a Rapid Evaporative Ionization Mass Spectrometry (REIMS) source installed on a time of flight mass analyzer. Raster scanning the samples through the laser focus enables the acquisition of mass spectrometry data which can be processed into images with pixel size 10 µm without oversampling, corresponding to cellular level resolution.
影响因子:
7.4
作者:
Jones, Emrys A.;Simon, Daniel;Takats, Zoltan
通讯作者:
Takats, Zoltan
影响因子:
7.4
作者:
Buchberger AR;DeLaney K;Johnson J;Li L
通讯作者:
Li L