Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Qualitative and Quantitative Analyses of Cashmere and Yak Fibers: MALDI-TOF Mass Spectrometry vs. Microscopic Method

캐시미어와 야크 섬유의 정량 정성분석: MALDI-TOF 질량분석법과 현미경법

  • Kim, Youngmi (Department of Organic Materials and Fiber Engineering) ;
  • Choi, Hyung-Min (Department of Organic Materials and Fiber Engineering)
  • 김영미 (숭실대학교 유기신소재파이버공학과) ;
  • 최형민 (숭실대학교 유기신소재파이버공학과)
  • Received : 2017.05.17
  • Accepted : 2017.06.18
  • Published : 2017.06.30
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Abstract

Matrix-assisted laser desorption/ionization-time of flight mass spectrometry was employed for the qualitative and quantitative analyses of cashmere and yak fibers. Yak fibers have been a great concern for fraudulent labelling in the luxurious cashmere market. Species-specific ion peaks were identified qualitatively, and mass spectrometry was used for the first-time in an effort to quantitatively analyze these fibers. The results indicated that the identification of unknown compositions was quantitatively possible even in commercial samples. The technique exhibited important advantages over conventional microscopic analysis such as the possibility of analyzing a small size of sample and colored or chemically treated fibers, and greater reproducibility and objectivity.

Keywords

References

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