Vol. 15 No. 1 (1999)

Research Articles

• Nuclear Magnetic Resonance Titration Studies of Simple Host-Guest Amine-Carboxylic Acid Systems

  Myrna S. Mahinay, Leonard F. Lindoy

  1-7

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• Development of 31P Nuclear Magnetic Resonance Methods for the Study of Phosphate Metabolisms in E. coli and B. subtilis

  Fabian M. Dayrit, Emilyn Q. Espiritu, Noreen Gonzalez, Nina Rojas, Jennifer T. Aguilan, Antonio M. Basilio, Edward T. Chainani, Enrico Cruz, Bernadette Matanguihan

  9-15

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• Vomifoliol, a False Positive Alkaloid, from c.f. P nobilisx P. vidalii (Pandanaceae)

  Cecilia R. Ualat, Maribel G. Nonato, Peter G. Waterman

  17-19

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• Optical Fiber Chemiluminescence Sensor for Iron(II) Ion Based on Immobilized Luminol

  Arthur A. Alipao, Fortunato Sevilla III

  21-25

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• Study of Digestion Methods for Selected Metals in Air Particulates

  Leni L. Quirit, Mildred Tamor

  35-38

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