344
M. S. Hamdy et al.
15. Stanier RY, Hayaishi O (1951) J Bacteriol 62:367
16. McCollough W, Piligan JT, Daniel I (1957) J Am Chem Soc
79:628
production. A better reactor design would be needed to
achieve the best conversion.
17. Takemura Y, Nakamura A, Taguchi H (1985) Ind Eng Chem
Prod Res Dev 24:213
18. Sanders J, Peter F, Scott E, Hamdy MS, Carr R (2011)
US0045553
5 Conclusions
19. Musajo L, Benassi CA (1964) Adv Clin Chem 7:63
20. Price JM, Brown RR, Yess N (1965) Adv Metab Disord 2:159
21. Wolf H (1974) Scand J Clin Lab Invest Suppl 136(1):18
22. Ohno M, Spande TF, Witkop B (1974) J Org Chem 39:2635
23. Benassi CA, Scoffone E, Veronese FM (1965) Tetrahedron Lett
49:4389
24. Knox WE, Mehler AH (1950) J Biol Chem 187:419
25. Kotiahoa T, Eberlinb MN, Vainiotaloc P, Kostiainen R (2000)
J Am Soc Mass Spectrom 11:526
26. Masuda N, Sakiyama F (1977) Pept Chem 14:41
27. Mudd JB, Leavi R, Ongun A, Mcmanus TT (1969) Atmos
Environ 3:669
28. Warnell JL, Berg CP (1954) J Am Chem Soc 76:1708
29. Andley UP, Clark BA (1989) Invest Ophthalmol Vis Sci 30:706
30. Dillon J, Chiesa R, Spector A (1987) Photochem Photobiol
45:147
From this study, the following conclusions can be
drawn: (a) The photolysis of tryptophan is not selective,
kynurenine, hydroxytryptophan, hydroxykynurenine, and
N-formylkynurenine are formed. (b) The photocatalysis of
tryptophan by using TiO2 (P25) and MP Hg lamp as a light
source is not selective too because the interfering of pho-
tolysis reaction. (c) The use of black light as a light source
improves the selectivity towards kynurenine to more than
90%. (d) The use of black light was shown to be eco-
nomically feasible.
Acknowledgments The project was financially supported from
Huntsman Corporation. The authors gratefully thank A. van Zeeland
for the HPLC measurements and F. Claassen for LC–MS.
¨
31. Schafer K, Goddinger D, Hocker H (1997) J Soc Dyers Colour
133:350
32. Asquith RS, Hirst L, Rivett DE (1971) Appl Polym Symp 333
33. Asquith RS, Rivett DE (1971) Biochem Biophys Acta 252:111
34. Obata Y, Sakamura S (1954) Nippon Nogeik Kaishi 28:768
35. Sakamura S, Obata Y (1955) Nippon Nogeik Kaishi 29:817
Open Access This article is distributed under the terms of the
Creative Commons Attribution License which permits any use, dis-
tribution, and reproduction in any medium, provided the original
author(s) and the source are credited.
´
36. Rincon AG, Pulgarin C (2003) Appl Catal B 44:263
37. Lin MF, Tzeng CM, Dyakov YA, Ni CK (2007) J Chem Phys
126:241104
38. Dyer JM, Bringans SD, Bryson WG (2006) Photochem Photobiol
Sci 5:698
References
39. Dyer JM, Bringans SD, Bryson WG (2006) Photochem Photobiol
82:551
40. Tanizaki T, Murakami Y, Hanada Y, Ishikawa S, Suzuki M,
Shinohara R (2007) J Health Sci 53:514
1. Reddy SS, Kotaiah B (2005) Int J Environ Sci Technol 2:245
2. Palmisano G, Augugliaro V, Pagliaro M, Palmisano L (2007)
Chem Commun 3425
41. Dillon J, Atherton SJ (1990) Photochem Photobiol 51:465
42. Tsentalovich YP, Snytnikova OA, Sherin PS, Forbes MDE
(2005) J Phys Chem A 109(3565):19
43. Sherin PS, Tsentalovich YP, Snytnikova OA, Sagdeev RZ (2008)
J Photochem Photobiol B 93:127
3. Teply F (2011) Collect Czech Chem Commun 76:559
4. Palmisano G, Garcia-Lopez E, Marci G, Loddo V, Yurdakal S,
Augugliaro V, Palmisano L (2010) Chem Commun 46:7074
5. Ravelli D, Dondi D, Fagnoni M, Albini A (2009) Chem Soc Rev
38:1999
44. Krishna CM, Uppuluri S, Riesz P, Zigler JS, Balasubramanian D
(1991) Photochem Photobiol 54:51
45. Dillon J, Wang RH, Atherton SJ (1990) Photochem Photobiol
52:849
46. Snytnikova OA, Sherin PS, Kopylova LV, Tsentalovich YP
(2007) Russ Chem Bull 56:732
47. Kazakov VP, Ostakhov SS, Osina IO, Alyabev AS, Kavsarova IF,
Akhmadeeva GK (2006) Radiochem 48:456
48. Hardeland R, Tan D, Reiter RJ (2009) J Pineal Res 47:109
49. Van de Weert M, Lagerwerf FM, Haverkamp J, Heerma W
(1998) J Mass Spectrom 33:884
6. Shiraishi Y, Hirai TJ (2008) J Photochem Photobiol C 9:157
7. Waddell TG, Miller TJ (1992) Origins Life Evol Biosphere
21:219
8. Ansari AS, Khan IA, Ali R (1985) J Radiat Res 26:321
9. Ohtani B, Pal B, Ikeda S (2003) Catal Surv Asia 7:165
10. Giri KV, Kalyankar GD, Vaidyanathan CS (1953) Naturwiss
40:440
11. Trung H, Nosaka AY, Nosaka Y (2006) J Phys Chem B
110:25525
12. Hidaka H, Horikoshi S, Ajisaka K, Zhao J, Serpone N (1997)
J Photochem Photobiol A 108:197
50. Maskos Z, Rush JD, Koppenol WH (1992) Arch Biochem Bio-
phys 296:514
13. Scott E, Peter F, Sanders J (2007) Appl Microbiol Biotechnol
75:751
14. Kumagai H, Tochikura T, Kanisawa T (1990) JP 02135093
123