16 Result(s)
within
Muhammad Amjad Khan
-
Article
Biochars Affect the Mobility of Carcinogenic Polycyclic Aromatic Hydrocarbons (PAHs) in Amended Soil and Their Bioaccumulation in Spinach
The long-term persistence of potentially carcinogenic pollutants, like polycyclic aromatic hydrocarbons (PAHs), in agricultural soil has attracted the world scientists for using various biochars to assess thei...
-
Article
Enhanced ultrasonic adsorption of pesticides onto the optimized surface area of activated carbon and biochar: adsorption isotherm, kinetics, and thermodynamics
This research work aimed to study the kinetics and isotherms of adsorption of mixture of four pesticides (atrazine, chlorothalanil, β-endosulfan, and α-endosulfan) from aqueous solution on activated carbon (AC) a...
-
Article
Factors affecting the distribution of microplastics in soils of China
Microplastics (MPs) are found worldwide in high abundance, posing a potential threat to ecosystems. Despite the ubiquity of MPs in the environment, very little is known about the regional distribution of MPs a...
-
Article
Human Health and Ecological Risks Associated with Total and Bioaccessible Concentrations of Cadmium and Lead in Urban Park Soils
This study investigated the total and bioaccessible concentrations of cadmium (Cd) and lead (Pb) in urban soils and their associated human health and ecological risk. Total and bioaccessible metal concentratio...
-
Article
The influence of compost amendments on bioaccumulation of potentially toxic elements by pea plant cultivated in mine degraded soils
Potential toxic metal (PTE) accumulation in soil and water is one of the major sources of food crop contamination. PTE remediation from soil can be enhanced by the addition of organic matter to the growing med...
-
Article
Bioaccumulation and Health Risk Assessment of Heavy Metal (loid)s in Different Fish Species of Hainan Island, China
Fish contamination with heavy metal (loid)s could be a serious threat to human health. In this study, the concentrations of twelve heavy metal (loid)s in the liver, kidney, gills, muscles, skin and bones were ...
-
Article
Hardwood modified and unmodified biochar amendments used for saline alkali soil remediation: phosphorus availability and its plant uptake
This study investigated the effects of modified and unmodified biochar as soil conditioners in alleviating saline-alkaline soil. The biochar was treated with HCl afterward referred as modified biochar (MBCs) a...
-
Article
Heavy metal bioavailability in the earthworm-assisted soils of different land types of Pakistan
This study was conducted to investigate the availability of toxic heavy metals (HM) to earthworm-assisted soils of different land types (urban, rural, industrial, and mining) collected from Khyber Pakhtunkhwa,...
-
Chapter
Nutrient Uptake and Plant Growth Under the Influence of Toxic Elements
Contamination of plants with toxic elements (TEs) is a renowned environmental issue worldwide. The rapid increase in population and high food demand give rise to several pollutants that finally contaminate the...
-
Article
Open AccessCurrent practices of waste management in teaching hospitals and presence of incinerators in densely populated areas
Hospital waste management (HWM) practices are the core need to run a proper health care facility. This study encompasses the HWM practices in teaching hospitals of Peshawar, Pakistan and examine the enforcemen...
-
Article
Bioaccumulation of potentially toxic elements in spinach grown on contaminated soils amended with organic fertilizers and their subsequent human health risk
Soil pollution with potentially toxic elements is a significant environmental problem worldwide. Such soils need reclamation, utilizing environmentally friendly and cost-effective techniques. Therefore, a stud...
-
Article
Endocrine disrupting pesticides in soil and their health risk through ingestion of vegetables grown in Pakistan
A comprehensive study was conducted to appraise the concentrations of 30 endocrine disrupting pesticides (EDPs) in soil and vegetable samples collected from Khyber Pakhtunkhwa, Pakistan. The sum of 30 EDPs (Σ30ED...
-
Article
Concentrations, dietary exposure, and human health risk assessment of heavy metals in market vegetables of Peshawar, Pakistan
The present study was carried out to assess heavy metal concentrations in ready-to-eat vegetables (RTEs) collected from open markets. Samples of RTEs including lettuce, coriander, and carrot were collected fro...
-
Article
Potentially Toxic Metals and Biological Contamination in Drinking Water Sources in Chromite Mining-Impacted Areas of Pakistan: A Comparative Study
Water quality and quantity are the major environmental concerns of develo** countries like Pakistan. Safe drinking water is one of the major prerequisites for a healthy life. The current study assessed the c...
-
Article
Health risk assessment from contaminated foodstuffs: a field study in chromite mining-affected areas northern Pakistan
This study aimed to investigate the potential health risk associated with toxic metals in contaminated foodstuffs (fruits, vegetables, and cereals) collected from various agriculture fields present in chromite...
-
Article
The uptake and bioaccumulation of heavy metals by food plants, their effects on plants nutrients, and associated health risk: a review
Heavy metal contamination is a globally recognized environmental issue, threatening human life very seriously. Increasing population and high demand for food resulted in release of various contaminants into en...
