Evaluation of the photodegradation of crystal violet upon light exposure by mass spectrometric and spectroscopic methods

Journal of Forensic Sciences

Volumn 54, Issue 2, 2009, Pages 339-345

  Weyermann, Céline ^a,b   Kirsch, Dieter ^a,c   Costa Vera, César ^a,d   Spengler, Bernhard ^a  

^a JUSTUS LIEBIG UNIVERSITY   (Germany)

^b UNIVERSITY OF LAUSANNE   (Switzerland)

^c Kriminaltechnisches Institut   (Germany)

^d ESCUELA POLITÉCNICA NACIONAL   (Ecuador)

Author keywords

Aging; Cationic triarylmethane dyes; Crystal violet; Forensic science; Ink; Laser mass spectrometry; Matrix Assisted Laser Desorption Ionisation Mass Spectrometry; UV VIS spectroscopy

Indexed keywords

CRYSTAL VIOLET; INK; METHANE; POLYCYCLIC AROMATIC HYDROCARBON DERIVATIVE;

ARTICLE; DEMETHYLATION; EVALUATION; LIGHT EXPOSURE; MASS SPECTROMETRY; MATRIX ASSISTED LASER DESORPTION IONIZATION TIME OF FLIGHT MASS SPECTROMETRY; PAPER; PHOTODEGRADATION; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS;

EID: 60849102142     PISSN: 00221198     EISSN: 15564029     Source Type: Journal    
DOI: 10.1111/j.1556-4029.2008.00975.x     Document Type: Article

References (22)

1. Allen NS, McKellar JF, Mohajerani B. Lightfastness and spectroscopic properties of basic triphenylmethane dyes: effect of the substrate. Dyes and Pigments 1980 1 : 49 57.
2. 2 dispersions. New J Chem 1999 23 : 1193 6.
3. Sarnaik S, Kanekar P. Biodegradation of methyl violet by pseudomonas Mendocina MCM B-402. Appl Microbiol Biotechnol 1999 52 : 251 4.
4. Grim D, Allison J, Siegel J. Evaluation of desorption/ionization mass spectrometric methods in the forensic applications of the analysis of inks on paper. J Forensic Sci 2001 52 (1 1411 20.
5. Andrasko J. HPLC analysis of ballpoint pen inks stored at different light conditions. J Forensic Sci 2001 46 (1 21 30.
6. Weyermann C, Kirsch D, Costa-Vera C, Spengler B. Dating of ink entries by MALDI/LDI-MS and GC/MS analysis: reality or utopia? Forensic Sci Int 2003 136 (1 71 2.
7. Weyermann C, Kirsch D, Costa-Vera C, Spengler B. Photofading of ballpoint dyes studied on paper by LDI and MALDI MS. J Am Soc Mass Spectrom 2006 17 : 297 306.
8. Weyermann C, Spengler B. The potential of artificial aging for modelling of natural aging processes of ballpoint ink. Forensic Sci Int 2008 180 : 23 31.
9. Aginsky VN. A microspectrophotometric method for dating ballpoint inks - a feasibility study. J Forensic Sci 1995 40 (3 475 8.
10. Andrasko J. Changes in composition of ballpoint pen inks on aging in darkness. J Forensic Sci 2001 47 (2 324 7.
11. Ng LK, Lafontaine P, Brazeau L. Ballpoint pen inks: characterization by positive and negative ion-electrospray ionization mass spectrometry for the forensic examination of writing inks. J Forensic Sci 2002 47 (6 1238 47.
12. Coyle JD. Introduction to organic photochemistry. England : John Wiley & Sons, 1986.
13. Becker HGO, Böttcher H, Dietz F, Rehorek D, Roewer G, Schiller K, et al. Einführung in die Photochemie. Berlin : Deutscher Verlag der Wissenschaften, 1991.
14. Caine MA, McCabe RW, Wang L, Brown RG, Hepworth JD. The inhibition of triphenylmethane primary dye fading in carbonless copying paper systems by singlet oxygen quenching bis(dithiocarbamato)nickel(II) complexes. Dyes Pigments 2002 52 : 55 65.
15. Brezová V, Pigošová J, Havlínová B, Dvoranová D, Ďurovič M. EPR study of photochemical transformations of triarylmethane dyes. Dyes Pigments 2004 61 : 177 98.
16. Egerton GS, Morgan AG. The photochemistry of dyes II - some aspects of the fading process. J Soc Dyers Colourists 1970 86 : 242 9.
17. Keuch P. Einfluss der Auxochrome auf die Lichtabsorption der Triphenylfarbstoffe. Didaktik : University Regensburg, Institute of Organic Chemistry, 2003.
18. Keuch P. Kinetics: fading of triphenylmethanes dyes-pseudo first order reaction. Didaktik : University Regensburg, Institute of Organic Chemistry, 2004.
19. Caine MA, McCabe RW, Wang L, Brown RG, Hepworth JD. The influence of singlet oxygen in the fading of carbonless copy paper primary dyes on clays. Dyes Pigments 2001 49 : 135 43.
20. Kuramoto N, Kitao T. The contribution of singlet oxygen to the photofading of triphenylmethane and related dyes. Dyes Pigments 1982 3 : 49 58.
21. Logan SR. Grundlagen der chemischen Kinetik. London : Wiley VCH, 1996.
22. Weyermann C, Marquis R, Mazzella W, Spengler B. Comparison of LDI-MS and HPTLC for the analysis of ballpoint dyes. J Forensic Sci 2007 52 (1 216 20.