Research Publications (Food Safety)

Polycyclic aromatic hydrocarbons (PAHs), as indicators of anthropogenic activities, existed in sediments may pose potential risk to environment. In the present study, we assessed occurrence, composition, and risk assessment of PAHs in Wei River Basin. It was found that the total concentration (∑16PAHs) of selected PAHs in sediments for the main stream of Wei River and its tributaries ranged from n.d.

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Rice is a major staple food in China where farmland soil has widespread cadmium (Cd) and arsenic (As) contamination. To provide appropriate rice cultivars to guide rice production in Cd and As co-contaminated paddy soils, the factors affecting Cd and As concentrations in rice require clarification. A pot experiment was conducted to investigate Cd and As translocation and accumulation in different tissues of rice cultivars for understanding the Cd and As variations in rice.

Modern industry advances through time with the change in living conditions as more chemicals are used and released into the environment. This causes severe pollution problems, especially of heavy metals including lead (Pb(II)). Pb(II) is continuously released by different industries into the environment, and it leads to certain diseases such as anemia and kidney malfunction.

An agricultural land suitability map was developed for rice (Oryza sativa L.) cultivation of land severely contaminated with heavy metals at Mae Tao, Thailand, as a representative area from which more than 300 soil samples and 100 rice grain samples were collected.

This study investigated the simultaneous removal of Cd2+ and Pb2+ from wastewater using commercially available Japanese zeolite (JPZ) and its mixtures. A series of batch adsorption experiments were carried out to examine the simultaneous removal of Cd2+ and Pb2+ in binary and multi-metal solutions. Results revealed that JPZ (0.105–2.0 mm) exhibited a higher affinity for Pb2+ (>250 mg/g) over Cd2+ (<50 mg/g) in single metal solutions.

In this research, the removal of cadmium(II) ions (Cd) from wastewater using zinc oxide nanoparticles (ZnONp) and carbonized sawdust composite was examined. ZnONp were synthesized by precipitation using sodium hydroxide (NaOH) and zinc nitrate tetrahydrate as precursors, while carbonized sawdust was produced from sawdust obtained from a nearby wood plant.

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Utilizing agricultural wastes into value-added products of a low-cost adsorbent has become of interest in recent years. In this study, sago-silica composite with a ratio of 80:20 (w/w%) was prepared via chemical grafting of abundantly available sago waste and rice husk.

Changsha-Zhuzhou-Xiangtan is a heavy industry area in China. Many studies just focused on the basic contamination statues of heavy metals there; however, few of them had a deep study on chemical species in micro aggregate or samples with different particle sizes. This study focused on a comprehensive research of Pb in typical arable soil collected from Zhuzhou. Soil properties, particle size distributions, and Pb chemical species in different soil particles were investigated.

There is a rise in concern across the globe over the contaminants of emerging concerns (CECs) such as pharmaceuticals, personal care products (PCPs), UV stabilizers, surfactants, endocrine disrupting compounds (EDCs), etc. In the present study, we have identified some compounds belonging to the classes of pharmaceuticals, PCPs, and EDCs in the water samples collected from the coastal area of Ernakulam district of Kerala (India) (sea and lake).

The Greater Khingan Mountains (GKM) regions have the second-largest areas of permafrost in China and serve as sinks of heavy metals like mercury (Hg) and arsenic (As). However, to date, we lack detailed information on Hg and As reserves, sources, and pollution assessment in the region, and this may bring increasing uncertainty when studying Hg and As cycle.

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Four artificial soils (AS) were prepared based on a mixture of humus, bentonite, kaolinite, and polyvinyl chloride (PVC), as inert matter, in the following proportion: 0%, 12.44%, 37.50%, 78.55% of humus, 10.5% of bentonite, 10.5% of kaolinite, and 78.92%, 66.26%, and 41.46% of PVC. The AS were prepared with variable content of organic matter (OM) in order to evaluate the retention of lead (II) due solely to the content of OM.

This study highlights the monitoring and management of urban water bodies, focusing on plankton biodiversity and its relationship with surface water quality. Physicochemical parameters and concentrations of potentially toxic metals were evaluated in an urban reserve in the Central East of Argentina, created for urban flood risk management.

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This study presents an analytical strategy named silica nanoparticles (Si-NP) based pipette tip solid phase extraction (PT-SPE) method for the trace level determination of cadmium in mineral water samples. Slotted quartz tube flame atomic absorption spectrophotometry (SQT-FAAS) was used to determine the cadmium analyte. Si-NPs synthesized from rice husk were used to preconcentrate/extract the cadmium ions.

The article presents the results of the study of sulfur-containing gases (carbon disulfide, CS2, and dimethyl sulfide, C2H6S) in the air above the sulfide tailings and in the soils in Komsomolsk settlement. Concentrations of CS2 (gas of the second hazard class) and C2H6S (gas of the fourth hazard class) in the air above the tailings exceeded the average maximum permissible on-time concentration (MPCot) by 20 times and 9 times, accordingly.

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Various antimicrobial agents are used in the poultry industry to treat microbial infections and prevent disease or as growth promoters. As a result, poultry litter (PL) can contain antibiotic residues (AR), antibiotic-resistant bacteria (ARB), and antibiotic resistance genes. Still, PL is used in many countries as a fertilizer and feed supplement for cattle.

Mangrove sediment acts as a natural accumulator of potentially toxic metals (PTMs). Here, we have investigated the efficiency of mangrove species, e.g., Sonneratia caseolaris and Avicennia officinalis phytoremediation potential in a globally significant vulnerable river. The lower pH and anoxic conditions facilitate the elevated accumulation of PTMs in river Hooghly.

This study aims to assess the metallic contamination of soils and water resources in the environment of the Ouixane mining area (North East Morocco). Six metallic elements (Fe, Cu, Pb, Zn, Ni, and Cd) were analyzed by ICP-AES and ICP-MS. To evaluate the contamination of the soils, three contamination assessment methods were used as follows: enrichment factor (EF), pollution index (PI), and geo-accumulation index (Igeo).

Investigations of the impact of heavy metals on microbial community structure are crucial for bioremediation of the contaminated sites. To this end, high-throughput 16S rRNA sequencing was performed to assess the variations of bacterial communities in 6 heavy metal-contaminated soils sampled from Liujiaping (LJP) and Shanping (SP) lead–zinc tailings situated in northwestern China.