[1] Univ Puerto Rico, Dept Chem, Mayaguez, PR 00681 USA
[2] ALERT DHS Ctr Excellence Explosives Res, Mayaguez, PR 00681 USA
[3] Univ Simon Bolivar, Sch Basic & Biomed Sci, Barranquilla 080002, Colombia
[4] Confluent Sci Consulting, 255 Burleigh Rd, Wilbraham, MA 01095 USA