Abstracts Book - IMRC 2018

• SB1-P051
ALTERNATIVE REMOVING OF THE PSP MARINE TOXIN BY THE ISO-
X COPOLYMER MEMBRANES
Wadi Sosa 1,2 , Carlos Poot 3 , David López 4 , José Bustillos 4 , Ramón Pali 5 , José Zavala 5 , Marcial
Yam 5 , Manuel Aguilar 6
1
Instituto Tecnológico Superior de Champotón, Campeche, , Mexico. 2 Instituto Tecnológico
Superior de Champotón, Campeche, Ingeniería Electromecánica, Mexico. 3 Instituto Tecnológico
Superior de Champotón, Ingeniería Electromecánica, Mexico. 4 Centro de Investigaciones
Biológicas del Noreste A.C. (CIBNOR), Investigaciones Biológicas, Mexico. 5 Universidad
Internacional Iberoamericana, Posgrado, Mexico. 6 Centro de Investigación Científica de
Yucatán, Materiales, Mexico.
The ISO-X and OBA-X copolymer membranes were subjected to an aqueous
medium with dissolved PSP toxins the G7 strain of Gymnodinium Catenatum, at
room temperature. The PSP toxins dissolved were separated by membranes,
hydrolyzed, identified and quantified by HPLC. The copolymers showed high
performances, in ISO-20 with a percentage of adsorption 3.5 times (293%)
higher than commercial resin HP-20MR, and 0.3 times (172.36 %) for SP700MR,
while OBA-X it showed no tendency to increase or decrease absorption, showing
linearity with values corresponding to 10.37 to 22.79 ng/g membrane for the
OBA-40, and the OBA-50 respectively. The performance showed that presence
of CF3 groups has influence in the modifying of the functionalities in NH, C=O,
OH, SO3H as well as they behave like acceptor in the ISO-X copolymer
membranes. Therefore this kind of copolymer membranes with CF3 groups is
considered as a good candidate for the removal of marine toxins.
Acknowledgment:
These polymers syntheses were financed by grants 108920 116157 FOMIX
YUCATAN and FORDECyT-LENERSE, PROMEP to finance this work in Merida city,
2011. The characterization toxin onto PSP, it was supported by CIBNOR, A.C.,
2015. Also to RedFAN for the training received about PSP toxin a Solid Phase
Adsorption Toxin Tracking, (SPATT). Anonymous reviewers kindly improved the
manuscript.
Keywords: marine toxin, SPATT, copolymers
Presenting authors email: wsosa@itescham.edu.mx