Effect of Pretreatments on bioremoval of metals and subsequent exposure to simulated gastrointestinal conditions

Zoghi, Alaleh; Salimi, Mahla; Mirmahdi, Razieh Sadat; Massoud, Ramona; Mohammadi, Reza; Rouhi, Milad; Tripathy, Abhishek Dutt

doi:10.15586/qas.v14i3.1012

Cited by 37 publications

(10 citation statements)

References 45 publications

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“…However, after simulated small intestinal exposure, bioremoval was significantly enhanced compared with stomach juice and initial concentration in both NG and SMG. The releasement of Pb in gastric juice and rebinding in small intestinal conditions was similar to Mirmahdi et al (2022) andZoghi et al (2022) studies by L. acidophilus in NG. As shown in Figure 3, after Cd absorption during the first 24 h, small amount of Cd dissociated from S. cerevisiae after stomach juice exposure in SMG and NG.…”

Section: Stability Assessment Of S Cerevisiaeheavy Metal Complexes Fo...supporting

confidence: 81%

“…World Health Organization (WHO) guidelines establish permissible Hg, Pb, Cd, and As levels in drinking water at 6, 10, 3, and 10 g L −1 (Khosravi‐Darani et al., 2021 ). Due to their high toxicity and destructive effects, removing them is on the research agenda (Feng et al., 2022 ; Khosravi‐Darani et al., 2021 ; Zoghi et al., 2022 ).…”

Section: Introductionmentioning

confidence: 99%

“…Due to their high toxicity and destructive effects, removing them is on the research agenda (Feng et al, 2022;Khosravi-Darani et al, 2021;Zoghi et al, 2022).…”

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confidence: 99%

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Investigation of the simulated microgravity impact on heavy metal biosorption by Saccharomyces cerevisiae

Salavatifar,

Khosravi‐Darani

2024

Food Science & Nutrition

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Heavy metals are one of the most dangerous environmental pollutions, and their elimination is one of the health system's priorities. Microorganisms have been introduced as a safe absorber of such pollution and this ability is related to the characteristics of their surface layers. There are reports about some bacteria's increment of cell envelope thickness in space conditions. Therefore, this study investigated SMG effect on heavy metals biosorption using Saccharomyces (S.) cerevisiae. Furthermore, the stability of complex, isotherm, and kinetic absorption models has been investigated. The results showed that the SMG positively affected the biosorption of mercury (Hg) 97% and lead (Pb) 72.5% by S. cerevisiae. In contrast, it did not affect cadmium (Cd) and arsenic (As) biosorption. In gastrointestinal conditions, Hg, Cd, and As‐yeast complexes were stable, and their biosorption increased. In the case of the Pb‐yeast complex, in simulated gastric exposure, the binding decreased at first but increased again in simulated intestinal exposure in both SMG and normal gravity (NG). The metals' biosorption by yeast followed the pseudo‐second‐order kinetic and the Langmuir isotherm models for all metals (As) matched with Langmuir and Freundlich. The current research results demonstrate that microgravity provides desirable conditions for heavy metal biosorption by S. cerevisiae. Furthermore, the biosorbent–heavy metal complex remains stable after simulated gastrointestinal conditions. Altogether, the results of this study could be considered in detoxifying food and beverage industries and maintaining astronauts' health.

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Section: Stability Assessment Of S Cerevisiaeheavy Metal Complexes Fo...supporting

confidence: 81%

Section: Introductionmentioning

confidence: 99%

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Investigation of the simulated microgravity impact on heavy metal biosorption by Saccharomyces cerevisiae

Salavatifar,

Khosravi‐Darani

2024

Food Science & Nutrition

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“…In recent decades, population growth and industrial development have led to the spread of water pollution due to the discharge of all kinds of urban, leachate from land lls, industrial, agricultural sewage and limiting the country's usable water resources (Luo et al, 2022;Mohebbi et al, 2013;Zoghi et al, 2022). On the other hand, the average precipitation in Iran is very low (233 mm) (Sorkhabi, 2021), so the control of water resources and their optimal use are very high priorities.…”

Section: Introductionmentioning

confidence: 99%

Application of groundwater quality index (GWQI) by Deterministic and Probabilistic Approaches to Assess Effect of Land Use Change on Groundwater Quality in the northern county of Iran: non-carcinogenic risk assessment

Faraji

Javanian

Mohammadpour

et al. 2023

Preprint

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This study aimed to evaluate the groundwater quality, land use changes, and non-carcinogenic risk caused by F−, and NO3 – ions in Babol county's drinking water. A total of 228 samples were collected from 38 drinking water wells between 2016–2021, and analyzed for various chemical parameters to determine the groundwater quality index (GWQI). The results obtained from the deterministic approach indicated that 74.6% of the water sources exhibited good quality, with a GWQI value range of 49.91 to 107.38. However, the Probabilistic Approach revealed that only 0.01% of the water samples demonstrated excellent quality, while the majority (98.37%) were classified as having good quality, with a smaller proportion (1.6%) considered poor. The qualitative zoning of GWQI showed that part of the studied area on the shores of the Caspian Sea and the north of the region is in an unfavorable condition. Principal component analysis (PCA) on parameters of chemicals showed three factors that account for 71.55% of the total variance in the groundwater quality data set. The land use results showed that in residential areas where the population is dense, a higher concentration of NO3− is observed. The study also found that the non-carcinogenic risk caused by F− and NO3− was below the risk limit (HQ < 1) for all age groups, except for infants in the wet season where 18.4% of the HQF values were greater than 1. The results showed that NO3− concentration had the highest effect on the non-carcinogenic risk in all age groups. This study highlights the importance of monitoring and managing land use changes to maintain the quality of drinking water in Babol County.

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“…The solubility of Hg in lipids is high and can easily enter the cells. In addition, Hg can be distributed in the brain and kidneys and easily transferred to the fetus through the placenta (Hyman 2004 ; Zoghi et al 2022 ). Galena mineral (PbS) exists in the natural composition of the earth's crust.…”

Section: Introductionmentioning

confidence: 99%

The concentration of potentially toxic elements (PTEs) in drinking water from Shiraz, Iran: a health risk assessment of samples

Mohammadpour

Emadi

Samaei

et al. 2022

Environ Sci Pollut Res

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The existence of potentially toxic elements (PTEs) in water bodies has posed a menace to human health. Thus, water resources should be protected from PTEs, and their effect on the exposed population should be investigated. In the present investigation, the concentrations of PTEs such as lead (Pb), mercury (Hg), manganese (Mn), and iron(Fe) in the drinking water of Shiraz, Iran, were determined for the first time. In addition, hazard quotient, hazard index, cancer risk, and sensitivity analysis were applied to estimate the noncarcinogenic and carcinogenic impacts of Pb, Hg, Mn, and Fe on exposed children and adults through ingestion. The mean concentrations (µg/L) of Pb, Hg, Mn, and Fe were 0.36, 0.32, 2.28, and 8.72, respectively, in winter and 0.50, 0.20, 0.55, and 10.36, respectively, in summer. The results displayed that Fe concentration was more than the other PTEs. PTE concentrations were lower than the standard values of the Environment Protection Agency and World Health Organization. Values of the degree of contamination and heavy metal pollution index for lead, mercury, manganese, and iron were significantly low (< 1) and excellent (< 50), respectively. Based on the Spearman rank correlation analysis, positive and negative relationships were observed in the present study. The observations of the health risk assessment demonstrated that mercury, lead, iron, and manganese had an acceptable level of noncarcinogenic harmful health risk in exposed children and adults (hazard quotients < 1 and hazard index < 1). The carcinogenic risk of lead was low (< E − 06), which can be neglected. Monte Carlo simulation showed that water intake rate and mercury concentration were the most critical parameters in the hazard index for children and adults. Lead concentration was also the most crucial factor in the cancer risk analysis. The results of the present study proved that the drinking water of Shiraz is safe and healthy and can be confidently consumed by people.

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Effect of Pretreatments on bioremoval of metals and subsequent exposure to simulated gastrointestinal conditions

Cited by 37 publications

References 45 publications

Investigation of the simulated microgravity impact on heavy metal biosorption by Saccharomyces cerevisiae

Investigation of the simulated microgravity impact on heavy metal biosorption by Saccharomyces cerevisiae

Application of groundwater quality index (GWQI) by Deterministic and Probabilistic Approaches to Assess Effect of Land Use Change on Groundwater Quality in the northern county of Iran: non-carcinogenic risk assessment

The concentration of potentially toxic elements (PTEs) in drinking water from Shiraz, Iran: a health risk assessment of samples

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