Vol. 20 (2004)

Research Articles

• Triterpenes and sterols from Achras zapota

  Consolacion Y. Ragasa, Karen Jorvina, John A. Rideout

  1-4

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• Structure elucidation of β-stigmasterol and β-sitosterol from Sesbania grandifora [Linn.] Pers. and β-carotene from Heliotropium indicum Linn. by NMR spectroscopy

  Jan-Michael C. Cayme, Consolacion Y. Ragasa

  5-12

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• Binding of congo red and crystal violet with β-2-microglobulin amyloid fibril

  Mara Teresa T. Panlilio, Noel S. Quiming, Rex Vergel, James A. Villanueva

  13-16

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• Possible cobalt-cobalt bridging by a hemiacetal in the dinuclear cobalt complex bearing the ligand bis(3-(2-Pyridylmethyleneamino)phenyl) sulfone

  Armando M. Guidote, Tomoko Imajo, Yoshiro Masuyama

  17-20

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• Analytical monitoring of the photodegradation of POPS pesticides using graphitized carbon black extraction and GC-MS

  Maria Pythias Espino, Satoshi Nakai, Masaaki Hosomi

  21-27

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• Pimaric Acid from Manila Elemi derived from Canarium Juronicum as a resolving agent in the resolution of racemic compounds

  Susan D. R. Arco, Florentino C. Sumera

  29-35

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• Effect of MgCl2 and CaCl2 on the bubble point of mixed solvent (Toluene-lsopropyl Alcohol-H2O System)

  Noel P. Cabigon, Nathaniel P. Dugos

  37-41

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