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Olga Francisco

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Articles 11
Citations 33
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Recent Articles
1.
Zahaby Y, Crump D, OBrien J, Dupuis-Smith R, Dwyer-Samuel F, Laing R, et al.
Mar Pollut Bull . 2025 Jan; 212:117504. PMID: 39755062
Economic development, marine transportation, and oil exploration are all activities that are increasing in the Arctic region, and there is concern regarding increased oil-related contaminants entering this sensitive environment. Polycyclic...
2.
Vitharana N, Halldorson T, Xia Z, Francisco O, Marvin C, Thomas P, et al.
J Chromatogr A . 2024 Feb; 1718:464723. PMID: 38341899
The scientific literature is replete with analytical methods for the analysis of homocyclic aromatic compounds especially polycyclic aromatic hydrocarbons and their alkylated analogs. However, there is a paucity of methods...
3.
Brown A, Xia Z, Bulloch P, Idowu I, Francisco O, Stetefeld J, et al.
Anal Chim Acta . 2019 Oct; 1088:79-88. PMID: 31623719
In response to the Canadian federal government's Cannabis Tracking and Licensing System compliance standards, a quantitative method was created for cannabis analysis, and validated using Eurachem V.2 (2014) guidelines. Cannabinol,...
4.
McDougall M, Francisco O, Harder-Viddal C, Roshko R, Heide F, Sidhu S, et al.
Sci Rep . 2019 Feb; 9(1):1058. PMID: 30705306
Polycyclic aromatic hydrocarbons (PAHs) are toxic, mutagenic and among the most damaging chemical compounds with regard to living organisms. Because of their persistence and wide distribution removal from the environment...
5.
Idowu I, Johnson W, Francisco O, Obal T, Marvin C, Thomas P, et al.
J Chromatogr A . 2018 Nov; 1579:106-114. PMID: 30391036
Polycyclic aromatic compounds (PACs) consists of multiple compounds and the number of theoretically possible isomers can reach into the thousands. Currently each PAC group is quantified collectively as a single...
6.
Xia Z, Idowu I, Marvin C, Thomas P, Johnson W, Francisco O, et al.
Chemosphere . 2018 Oct; 215:206-213. PMID: 30317091
Halogenated polycyclic aromatic hydrocarbons (HPAHs) were identified in biological samples from the Alberta Oil-Sands Region (AOSR) using gas chromatography coupled with high-resolution time-of-flight mass spectrometry (GC-HRTOF-MS) at a resolving power...
7.
McDougall M, McEleney K, Francisco O, Trieu B, Ogbomo E, Tomy G, et al.
J Struct Biol . 2018 Jun; 203(3):281-287. PMID: 29879486
Coiled coils are well described as powerful oligomerization motifs and exhibit a large diversity of functions, including gene regulation, cell division, membrane fusion and drug extrusion. The archaea S-layer originated...
8.
Johnson W, Idowu I, Francisco O, Marvin C, Thomas P, Stetefeld J, et al.
Chemosphere . 2018 Mar; 202:9-16. PMID: 29567615
Polycyclic aromatic compounds (PACs) are a diverse group of environmentally relevant compounds which can be persistent, bioaccumulative and toxic. The cyclic backbone of PACs can be substituted with halogens or...
9.
Francisco O, Idowu I, Friesen K, McDougall M, Choi S, Bolluch P, et al.
Chemosphere . 2018 Mar; 201:441-447. PMID: 29529571
The efficacy of a lightly cross-linked polymeric bead to absorb polycyclic aromatic hydrocarbons (PAHs) from the surface of fresh- and salt-water in a simulated oil-spill scenario was assessed in this...
10.
Idowu I, Francisco O, Thomas P, Johnson W, Marvin C, Stetefeld J, et al.
Rapid Commun Mass Spectrom . 2017 Nov; 32(3):277-287. PMID: 29178235
Rationale: There is a need for a validated method to improve detection limits and simultaneously quantify polycyclic aromatic compounds (PACs, both parent and alkylated homologues) in biota by gas chromatography/tandem...