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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 26, Number 5
BKCSDE 26(5)
May 20, 2005

Title	Construction of an Improved Tandem Time-of-flight Mass Spectrometer for Photodissociation of Ions Generated by Matrix-assisted Laser Desorption Ionization (MALDI)
Author	Jeong Hee Moon, So Hee Yoon, Myung Soo Kim*
Keywords	MALDI, Tandem mass spectrometry, MALDI-TOF-PD-TOF
Abstract	An improved tandem time-of-flight (TOF) mass spectrometer for the photodissociation (PD) study of ions generated by matrix-assisted laser desorption ionization (MALDI), MALDI-TOF-PD-TOF, has been designed and constructed. Recording a full spectrum with better than unit mass resolution even in low mass range has been achieved without reflectron voltage stepping which was needed in the previous version. Other aspects of the improvement, such as those in the data system which now allow 10-100 times faster spectral acquisition than with the previous instrument, are described. Rationale for the ideas which have led to the improvements is presented also.
Page	763 - 768
Full Text	PDF

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