Oral Sessions (Day1, Day2, Day3)
Poster Presentations (Day1, Day2, Day3)
Oral Sessions
- Day 1, June 22(Wed.) 17:00-17:15 Room D (413 and 414)
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1D-O1-1700(1P-44) PDF
Nano-PALDI analysis for hair components
Using a vertical hair-slice section, we compared the components of normal and damaged hair regions using two ionization methods, matrix-assisted laser desorption/ionization and nanoparticle-assisted laser desorption/ionization (nano-PALDI) mass spectrometry. Nano-PALDI is useful for small-molecule and high spatial resolution (5 μm) analyses due to the lack of noise. Thus, clear images were obtained from thin hair samples. In nano-PALDI mass spectrometry imaging, cystine and 18-methyleicosanoic acid as endogenous hair components localized in the cuticle and cortex and cuticle of normal hair, respectively. In contrast, both components were absent in damaged hair.