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Presence of Oil Mineral Aggregates (OMAs) in Surface Sediments from Mexico's Exclusive Economic Zone, NW Gulf of Mexico.

08:00 EDT 11th July 2018 | BioPortfolio

Summary of "Presence of Oil Mineral Aggregates (OMAs) in Surface Sediments from Mexico's Exclusive Economic Zone, NW Gulf of Mexico."

We assessed the presence and distribution of oil mineral aggregates (OMAs) in surficial sediments of Mexican waters in the NW Gulf of Mexico, their potential sources and their correlation with polycyclic aromatic hydrocarbons (PAH). In summer of 2010, OMAs were detected in three shallow sites. In winter of 2011, OMAs were observed in ten sites, two of them in the northernmost area at > 1500 m depth. These particles were possibly advected from the north Gulf and Mississippi area following the deep-water currents of the zone. The OMAs from shallower sites may reflect local pollution sources. PAHs displayed low concentrations in both surveys (from 0.01 to 0.7 µg g in summer, and from 0.01 to 0.51 µg g in winter), and showed rather a local origin. The expansion of the oil and port industry in the region is accountable for most of the OMAs detected.

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This article was published in the following journal.

Name: Bulletin of environmental contamination and toxicology
ISSN: 1432-0800
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Medical and Biotech [MESH] Definitions

State bounded on the north by Oklahoma, on the east by Arkansas and Louisiana, on the south by Mexico, and on the west by New Mexico.

State of the UNITED STATES OF AMERICA bounded on the east by New Mexico, on the north by Utah, on the west by Nevada and California, and on the south by Mexico.

State bounded on the north by Colorado, on the east by Oklahoma and Texas, on the south by Texas and Mexico, and on the west by Arizona.

Water naturally or artificially infused with mineral salts or gases (carbon dioxide).

The formation of clumps of RED BLOOD CELLS under low or non-flow conditions, resulting from the attraction forces between the red blood cells. The cells adhere to each other in rouleaux aggregates. Slight mechanical force, such as occurs in the circulation, is enough to disperse these aggregates. Stronger or weaker than normal aggregation may result from a variety of effects in the ERYTHROCYTE MEMBRANE or in BLOOD PLASMA. The degree of aggregation is affected by ERYTHROCYTE DEFORMABILITY, erythrocyte membrane sialylation, masking of negative surface charge by plasma proteins, etc. BLOOD VISCOSITY and the ERYTHROCYTE SEDIMENTATION RATE are affected by the amount of erythrocyte aggregation and are parameters used to measure the aggregation.

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