Metales pesados (Pb, Cd, Ni, Zn, Hg) en tejidos de Lutjanus synagris yLutjanus vivanus de la Costa de La Guajira, Norte de Colombia

Barros-Barrios, Orfelina; Doria-Argumedo, Carlos; Marrugo‐Negrete, José

doi:10.17151/vetzo.2016.10.2.3

Cited by 5 publications

(3 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Las principales fuentes de contaminación por metales pesados en el río Bélico son la descarga de residuos municipales, aguas albañales procedentes de los hospitales, la quema de residuos en la orilla de los ríos, la deforestación marcada en sus márgenes y fertilizantes utilizados en la agricultura, esto coincide con lo expuesto por (Zuluaga et al, 2015;Barros et al, 2016).…”

Section: Discussionunclassified

Bioacumulación de metales pesados en los músculos de Claria Gariepinus y su incidencia en la salud humana

Armiñana García,

Morales Suárez,

Padilla Gómez

et al. 2024

UBM

View full text Add to dashboard Cite

Los metales pesados se hallan entre los contaminantes ambientales y su introducción en las aguas demuestran la presencia de fuentes antropogénicas. El objetivo de la investigación consistió en evaluar la exposición bioacumulativa a metales pesados en muestras de los músculos ventrales de Clarias gariepinus que habitan en el ecosistema dulceacuícola Bélico en la ciudad de Santa Clara, Villa Clara, Cuba. Para el desarrollo de la investigación se emplearon métodos de recopilación de la información y de procesamiento de la información recopilada, destacándose la entrevista a 10 personas que se dedican a la pesca de la Claria y la encuesta a 50 pobladores que consumen C gariepinus. La captura de los ejemplares se realizó mediante redes, con una luz de malla de 60 a 110 mm, y varas de pescar. Los muestreos se efectuaron en dos zonas del ecosistema dulceacuícola Bélico. La determinación de los metales se realizó por mezcla de digestión ácida, cuantificándose los elementos mediante Espectrometría de Emisión por Plasma Inductivamente Acoplado con Vista Axial (ICP-AES). Los metales pesados encontrados en C. gariepinus fueron: Co, Cr, Cu, Zn, As, Pb y Cd. Se concluye que el río Bélico, posee condiciones ambientales de exposición biodisponible para metales pesados.

show abstract

Section: Discussionunclassified

Bioacumulación de metales pesados en los músculos de Claria Gariepinus y su incidencia en la salud humana

Armiñana García,

Morales Suárez,

Padilla Gómez

et al. 2024

UBM

View full text Add to dashboard Cite

show abstract

“…Exposure to these toxic metals is particularly recurrent in Aratuípe and Nazaré, municipalities of Recôncavo Baiano, because of the residents’ geographic location near estuarian rivers and a primarily shellfish diet. Shellfish are reservoirs for contaminants since they are filter feeders and toxic metals accumulate in sediments and water [ 26 , 27 ]. Furthermore, food in this region is commonly prepared using Pb-glazed pottery produced in Maragogipinho Village in Aratuípe and sold in Nazaré and elsewhere [ 24 , 25 ].…”

Section: Introductionmentioning

confidence: 99%

A Cross-Sectional Analysis Investigating Pregnant Women’s Renal Function and Its Association with Lead and Cadmium Exposures—The DSAN Birth Cohort Study in Recôncavo Baiano, Brazil

Di Giuseppe,

Ferréol Bah,

Gomes Júnior

et al. 2024

Toxics

View full text Add to dashboard Cite

Kidney dysfunction is increasing worldwide and is exacerbated by exposure to toxic metals. Also, pregnancy poses an overload on kidney function. We investigated how blood lead (PbB) and cadmium (CdB) levels were associated with kidney function in pregnant women from Recôncavo Baiano, Brazil, during their second trimester. In this cross-sectional study, the estimated glomerular filtration rate (eGFR) was calculated from serum creatinine and whole blood metal levels were measured by graphite furnace atomic absorption spectrophotometry in 136 volunteers. Sociodemographic data were collected using semi-structured questionnaires. The medians (IQR) of PbB, CdB, and eGFR were 0.85 µg/dL (0.45–1.75), 0.55 µg/L (0.08–0.91), and 121.8 mL/min/1.73 m2 (106.0–127.9), respectively. PbB medians were significantly higher in the eGFR < 90 group at 2.00 µg/dL (0.83, 3.10). After age-adjusted logistic regression, pregnant women with elevated PbB levels had decreased eGFR (OR = 1.82; 95%-CI, 1.14–3.14). However, the participants with elevated PbB levels who reported consuming alcohol during pregnancy or had CdB in the highest tertile had higher odds of reduced eGFR (OR = 2.44; 95%-CI, 1.30–5.47) and (OR = 11.22; 95% CI, 2.53–103.51), respectively. These results suggest that low Pb exposure may affect kidney function in pregnant women and calls for further investigation into toxic metal co-exposures on kidney function during pregnancy in at-risk communities.

show abstract

“…In the case of lead, waste from the production of batteries, especially for automotive use, paints, cables, plastics, metals, glass, ceramics, chemicals, and electronic equipment (Frías-Espericueta 2010; Sepúlveda 2018). When Cd and Pb enter the aquatic environment, like other heavy metals, they can form "insoluble precipitates as solutes bound to the surface of microparticles" (Barraza et al 2018), or they can be soluble in water and react with organic matter, forming complexes and chelates that increase their solubility, availability, and dispersion (Barros-Barrios et al 2016; Jorge-Panduro 2018). In this scenario, sea oor sediments play an important role as reservoirs of metals, thus their concentrations are higher than in water (Barraza 2018; Mero-Valarezo 2010; Rajeshkumar et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Accumulation of cadmium and lead in macroinvertebrates in relation to sediment concentration and the dynamics of environmental parameters in a tropical estuary of the Colombian Pacific

Erazo-Enríquez,

Duque,

Cogua

2023

Preprint

View full text Add to dashboard Cite

Estuaries provide a wide variety of ecosystem services; therefore, they are densely populated coastal regions with high activity and vulnerable to contaminants from natural and anthropogenic sources. The estuary of Buenaventura Bay is environmentally affected by liquid and solid wastes of anthropogenic origin, which arrive through the discharges of the main rivers of the region, as well as by gold mining and port activities, generating problems of environmental stress and contamination. For this reason, the main objective of the study was to determine how the environmental dynamics of the bay influences the processes of contamination and accumulation of heavy metals, cadmium (Cd) and lead (Pb), in sediments and in the muscle tissue of macroinvertebrates. For this purpose, macroinvertebrate samples were collected in two areas of Buenaventura Bay during three different climatic periods in 2018. In addition, sediment samples were collected for granulometric and organic matter data, and physicochemical water data were recorded. Cd and Pb concentrations in sediments and muscle tissue of four species were quantified. The concentrations of Cd and Pb in the sediments were undetectable and therefore did not exceed the maximum permissible values for marine sediment quality (Cd 0.6 mg/kg and Pb 35 mg/kg, TEL values, threshold effect level). The low levels of Cd and Pb in the sediments are due to their granulometric composition: high content of fine sand and low percentage of silt, clay and organic matter, conditions that do not favor the accumulation of metals in this matrix. The concentrations of Cd and Pb in the muscle of the organisms did not exceed the limit established for organisms for human consumption (crustaceans Cd 0.5 mg/kg and Pb 0.5 mg/kg; cephalopods Cd 1.0 mg/kg and Pb 0.3 mg/kg, fresh weight), indicating the absence of serious contamination by these two metals. It was found that the climatic seasons, as well as the peculiarities of each zone of the estuary and their interaction, influenced the dynamics of the physicochemical variables of the water and sediments of the bay. Climatic seasons also influenced the accumulation of Cd in the muscle of crustacean species, being higher under conditions of lower precipitation (dry and transitional seasons). Spatially, the outer zone of the bay showed a trend of higher Cd concentration in crustacean muscle. The environmental variables that best explained the Cd concentrations in the muscle of the four species were: temperature, salinity, and mean sand.

show abstract

Metales pesados (Pb, Cd, Ni, Zn, Hg) en tejidos de Lutjanus synagris yLutjanus vivanus de la Costa de La Guajira, Norte de Colombia

Cited by 5 publications

References 0 publications

Bioacumulación de metales pesados en los músculos de Claria Gariepinus y su incidencia en la salud humana

Bioacumulación de metales pesados en los músculos de Claria Gariepinus y su incidencia en la salud humana

A Cross-Sectional Analysis Investigating Pregnant Women’s Renal Function and Its Association with Lead and Cadmium Exposures—The DSAN Birth Cohort Study in Recôncavo Baiano, Brazil

Accumulation of cadmium and lead in macroinvertebrates in relation to sediment concentration and the dynamics of environmental parameters in a tropical estuary of the Colombian Pacific

Contact Info

Product

Resources

About