Volume 4, number 1 (2001) Hydrothermal Synthesis and Characterization of an Akaganeite-type Iron Oxide Octahedral Molecular Sieves E. Nicolas-Tolentino and P. Alfornon (pp. 1-10) On Maximal Biconnected Graphs A. Gonzaga (pp. 11-15) Lead Uptake and Growth Responses in Pistia Stratiotes Linn. (Quiapo) R. Espinosa (pp. 16-23) Antimicrobial Compounds from Spondias purpurea C. Ragasa, A. Poblete, and E. Navida (pp. 24-28) The Bandwidth of the Cartesian Product of a Double Star and a Path Y. Fajardo-Lim (pp. 29-37) Detection of Paralytic Shellfish Poisoning (PSP) Toxins in Philippine Mussel Samples by Electrospray Mass Spectrometry M. Floresca, B. Abad, T. Amora, M. Lim, and J. Marquez (pp. 1-10) OTHER PUBLICATIONS Volume 16 (2023)Volume 15 (2022)Volume 14 (2021)Volume 13 (2020)Volume 12 (2019)Volume 11 (2018)Volume 10 (2017)Volume 9 (2016)Volume 8 Number 2 (2013)Volume 8 Number 1 (2012)Volume 7 Number 2 (2012)Volume 7 Number 1 (2011)Volume 6 Number 2 (2011)Volume 6 Number 1 (2010)Volume 5 Number 2 (2002)Volume 4 Number 2 (2001)Volume 4 Number 1 (2001)Volume 3 Number 2 (2001)Volume 3 Number 1 (2001)Volume 2 Number 2 (1999)Volume 2 Number 1 (1999)Volume 1 Number 2 (1998)Volume 1 Number 1 (1998)