Mujahid Farid

University of Gujrat | UOG · Department of Environmental Science

Contamination of land and aquatic ecosystems with heavy metals (HMs) is a global issue having the persistent potential to damage the quality of food and water. In the present study, Tagetes erecta L. plants were used to assess their potential to uptake HMs from wastewater. Plants were grown in soil for 20 days and then transplanted in hydroponic sy...

Unrestricted disposal of tannery solid waste (TSW) into agricultural soils has resulted in the contamination of heavy metals (HMs) such as chromium (Cr) cadmium (Cd), Copper (Cu), and Zinc (Zn) along with the severe potential to degrade the environmental quality around the world. In the present study, a combined phyto- and myco-remediation strategy...

Unlabelled: Tannery industries discharge a high concentration of chromium (Cr) along with other heavy metals, which are hazardous for all life forms. With increasing shortage of freshwater, tannery effluent is frequently used for crop an irrigation, causing damage to plants' health. In order to address this challenge, amino acid chelate fertilizer...

Arsenic in water bodies has been a major concern around the world due to its carcinogenic properties. Among various methods of arsenic removal, biosorption using modified biosorbents is considered as one of the potential strategy to deal with arsenic pollution in water. Modified biosorbents proved to be cost-effective, stable and highly porous biol...

The commercialization of scientific innovation, which is a key to entrepreneurial success, represents a combination of several commercial activities. Technology is usually the outcome of research and development activities to bring inventions to practical use. Framework of commercialization develops new horizons for future research along with guida...

Arsenic enrichment in aquatic ecosystems is a life‐threatening and environmental issue all over the world. The toxic arsenic occurs in organic and inorganic forms in the environment, with the prevalence of inorganic arsenic forms. Various arsenic treatment technologies have been applied in drinking water, but membrane filtration and ion‐exchange me...

The purpose of the present study is to evaluate the effect of storage time and temperature on the nutritional and antioxidant values of different varieties of brown rice. PARB approved indigenous Basmati varieties (Basmati 86, Basmati 515, Basmati super, Basmati super fine and Basmati kainat) were procured and initially tested for physicochemical p...

We investigated how different doses of microwave irradiation (MR) affect seed germination in Sorghum, including the level of remediation against textile and surgical wastewater (WW) by modulating biochemical and morpho-physiological mechanisms under glutamic acid (GA) application. The experiment was conducted to determine the impact of foliar-appli...

Extensive usage of heavy metals (HMs) in chemical reactions and processes eventually contaminate the environmental segments and is currently a major environmental concern. HMs such as cadmium (Cd), copper (Cu), lead (Pb), chromium (Cr) and nickel (Ni) are considered the most harmful pollutants as they have adequate potential of bioaccumulation. The...

Fenugreek (Trigonella-foenum graecum) is one of the most promising traditional medicinal plant member of the legume family. Fenugreek oleoresin and seeds are extensively studied for their oil content and health constructive properties like, anti-inflammation, anti-cancer and anti-diabetic functions. These seeds are also a good provider of carotene,...

Rangeland plays an important role for the agroecosystem. They preserve the biodiversity and some of the plant species that are used for the medicines. Worldwide rangelands absorb 30% of the globally carbon. But due to increase in the population and change in the climate is causing the destruction of the rangelands. When population increases it requ...

This chapter provides a brief discussion about the aerosol particles with their atmospheric composition, their different emission sources either natural (biogenic, volcanos, sea salt, desert dust) or anthropogenic (biomass burning, fossil fuel burning). Further, it included the different pathways through which aerosol components entered the atmosph...

Advances in technologies have contributed to more food production, but it is not sufficient for the current growing population. An increase in the production of growth that ultimately leads to an increase in economic growth puts a huge cost into the natural environment. Half of the forests of the earth are now depleted, and we have only 1% of the f...

The worldwide environmental changes and increasing levels of carbon dioxide are some of the key natural concerns of the date. In the present article, the evaluation of urban woods organization was utilized to measure the capability of urban biological system as carbon sink and moderating environmental changes through carbon digestion, and the capab...

Mining activities, industrial processing, domestic and agricultural use of metal and metal-containing compounds have resulted in the release of toxic metals into the atmosphere, which has become a widespread environmental problem as a result of global industrialization. Metal contamination has grave consequences for human health and the environment...

Soil has the ability to persist contaminants for a longer duration which lowers the quality of soil for agricultural use. Soils augmented with a load of heavy and toxic metals and organic pollutants of industrial sources show the severe effect on the crops. This effort will gather information about the effect of environmental pollution on the crops...

This study was performed to evaluate the phytoremediation potential of Ricinus communis for lead (Pb) and cadmium (Cd) from the soil. The harvested plant samples were analyzed to determine the concentration of Pb and Cd in roots and shoots. Both of these metals had a negative impact on growth of R. communis (root and shoot length, root and shoot dr...

Plastics are high molecular mass organic polymers obtained mostly from various hydrocarbons of petrochemicals. Over the past 50 years, plastic materials have been used as a substitution of metal, wood, and paper for many applications because of their excellent features in terms of stability, lightness, low cost, and durability. These polymers are b...

Pesticides are the leading defence against pests, but their unsafe use reciprocates the pesticide residues in highly susceptible food and is becoming a serious risk for human health. In this study, mint extract and riboflavin were tested as photosensitisers in combination with light irradiation of different frequencies, employed for various time in...

Cities and towns are affected by the multi-dimensional industrial activities with semi-arid and arid environments which cause a substantial rise in environmental pollution specifically in aquatic areas. The current study estimated the water quality and related health impacts by the consumption of heavy metal contamination. Surface water samples (n...

Present study was planned on the basis of prior field survey with main objective to determine concentrations of selected metals temporally (winter, spring, summer) in the industrial waste sediments, accumulate and enrich in the soils of Gujranwala city. Initially, physiochemical properties of samples pH (>8) colour (grey to black), odour (phenolic)...

Lead (Pb), copper (Cu) and chromium (Cr) are one of the most harmful heavy metals (HMs), entering into the food chain through the irrigation of crops with an industrial effluent. The present study was performed to evaluate the toxic effects of textile effluents and performance of citric acid (CA) on phytoextraction potential of Lemna minor L. and T...

The human dependence on plastic has been recognized for decades and is considered as handy and useful material for many aspects of the essential requirements. A wide range of benefits of the plastic determines its lasting stability, resistant to reactions, anticorrosive and waterproofing applications. Among the worst, the plastic bags have most det...

The review presents the response of Trigonella foenum-graceum L. (Fenugreek) under stress induced by heavy metals on physiological and biological attributes with particular emphasis on plant growth and metal accumulation by plants. Pollution due to heavy metals is a global problem and a plenty of diseases are associated with metal pollution. These...

Numerous anthropogenic activities had caused adulteration to normal soil, water, and air composition that directly and indirectly damaging the human environment. Environmental contamination from heavy metals is a major concern for the world community dealing in environmental management. High concentration of heavy metal concentrations in soil can d...

Phytoremediation is considered as an advanced approach to uptake heavy metals from polluted water and to remediate the contaminated water and soil mediums using plants. Heavy metals including chromium, nickel, cadmium and lead are highly toxic metals, and their concentration is increasing via anthropogenic activities. The study exhibits the respons...

Nanomaterials are classified on the basis of their structure, shape, origin, and size. The small size of nanoparticles facilitates the active chemical species to translocate from organismal barriers and may create nanostructure-associated toxicity. Lack of appropriate characterization and detection techniques and poor validation and reproducible me...

Chelate-assisted phytoextraction by high biomass producing macrophyte plant Typha latifolia L. commonly known as cattail, is gaining much attention worldwide. The present study investigated the effects of Lead (Pb) and Mercury (Hg) on physiology and biochemistry of plant, Pb and Hg uptake in T. latifolia with and without citric acid (CA) amendment....

Copper (Cu)-induced stress caused adverse effects to plant growth and productivity thus considered as a severe threat for sustainable crop production. This article presents an overview of copper stress in plants. Copper participates in many physiological processes as a co-factor for catalysis of many metalloproteins; however, problem occurs when ex...

Heavy metals (HMs) stress causes severe damage to physiology and biochemistry of plant species leading to stunted growth and low yield. Phytoremediation via phytoextraction, a viable low-cost and environment-friendly alternative to other techniques that are often too expensive, impractical and hazardous. However, phytoextraction potential, physiolo...

Chelator-assisted phytoremediation is an economical, sustainable, and ecologically friendly method of extracting heavy metals and metalloids from the soil. Organic chelators are thought to enhance metal availability and mobility in contaminated media, thereby improving phytoextraction. The aim of the present study was to examine whether exogenous a...

Phytoremediation via phyto-extraction is well recognized and sustainable principle for the economical removal of heavy metals from contaminated water and soil. The twofold objective of the present research work was to investigate the remediation potential of fenugreek for Cu under the influence of ascorbic acid (AA). The effect of copper-ascorbic a...

Phytoremediation is considered one of the well-established and sustainable techniques for the removal of heavy metals and metalloids from contaminated sites. The metal extraction ability of the plants can be enhanced by using suitable organic materials in combination with metal-tolerant plants. This experiment was carried out to investigate the phy...

This study is being done to integrate global scientific research on phytoremediation and to assess current trends of pollutant removal by wetlands. It focuses on phytoremediation of excessive organic and inorganic pollutants from contaminated sites. The concecpt of natural and constructed wetlands based on phytoremediation is a cost-effective and g...

The population of the world is growing day by day, and according to the estimation by the year 2050 the population will exceed nine billion. The food demand will increase and agricultural activities need modification to satisfy the hunger and nutrition requirements of this up-surging population. The demand for productive agricultural land will be i...

Combustion of biological residue under less condition of oxygen resulting in less density carbon material is biochar. As thermal decomposition of biomass under limited oxygen condition is responsible for producing biochar, this method is getting attention in soil remediation and waste disposal in recent years. On the advantages of biochar, interest...

Production of crops has been facing many environmental stresses from the past few decades, hence reducing the productivity and nutrient enrichment of crops worldwide. Climatic changes and environmental stress have led to interpret the stress on plants and the purpose of its low productivity. Today the most important type of crops are the oilseed cr...

Increasing world population triggers intensive agricultural practices responsible for higher heavy metal contamination of soil and water. The present study was conducted to evaluate the morpho-physiological and biochemical response along with phytoextraction potential of Alternanthera bettzickiana for cobalt (Co) and copper (Cu) contaminated soil....

Prevailing conditions of the climate have had a drastic effect on global food security. Various types of stresses have been producing havoc by reducing crop production. One of the primary causes has been observed in the form of drought. Drought generally has various kinds of impacts on human life, but its main victim is food crops. A plant has spec...

Rice (Oryza Sativa) is a grass and highly stipulated cereal crop. Water stress is an existing and future trauma to rice production. It severely manipulates plant growth and production that ultimately results in yield loss. Cell size, molecular activities, tissue formation, organ establishment, flower formation, reproduction mechanism, grain fabrica...

The adverse industrial activities discharged contaminated wastewater directly into the water bodies that contain toxic substances such as heavy metals. The contours use of marble industrial effluents may affect the fertility of soil and crop growth. The present study was conducted to investigate the toxic effects of marble industrial effluents (M.E...

The present study evaluated the physiological and biochemical mechanisms by which exogenous sodium hydrosulfide (H2S donor) mitigates chromium (Cr) stress in cauliflower. Different levels of the Cr were (0, 10, 100, 200 μM). Results reported that Cr exposure reduced the growth and the biomass, chlorophylls content, the gas exchange parameters, and...

This study was planned to identify factors which affect workers health and their safe working in unregistered and partially registered small iron units preparing 90-95 % iron furniture under sheds. Focused group discussions (FGD) were conducted among workers of iron furniture manufacturing units (IFMU) employing a cross sectional, descriptive, anal...

Phytoremediation is an important technique to remove heavy metals from contaminated soils due to its efficiency and cost-effectiveness. The present study was conducted to assess the synergistic role of 5-aminolevulinic acid (ALA) and citric acid (CA) in improving the phyto-extraction of chromium (Cr) by sunflower. Sunflower plants were grown in soi...

Phytoremediation is a cost-effective and eco-friendly technique for the removal of heavy metal-contaminated soils and water. The less availability and mobility of heavy metals in medium decreased the efficiency of this technique. The mobility and availability of these metals in the medium can be enhanced by the addition of organic chelators. The pr...

Soil contamination with heavy metals is threatening the food security around the globe. Chromium (Cr) contamination results in poor quality and reduction in yield of crops. The present research was performed to figure out the Cr toxicity in sunflower and the ameliorative role of 5-aminolevulinic acid (ALA) as a plant growth regulator. The sunflower...

The present work reports the gaseous emissions of the following industries, Interloop Textile (IP Tex), Crescent Textile (CT Tex), Kalash Textile (KH Tex), Noor Fatima Textile (NF Tex), Bashir Textile (BP Tex) and Hina Sana Texile (HS Tex) which are located in Faisalabad, Pakistan. Industries were tested for the mixture of gases containing carbon m...

Due to rapid urbanization and industrialization in many countries of the world, heavy metals are continuously emitted into the terrestrial environment and posing great threat to human health. The present study was conducted to measure the concentration of six heavy metals, chromium (Cr), nickel (Ni), cobalt (Co), zinc (Zn), cadmium (Cd) and lead (P...

The complex bio-geochemistry of soil allows pollutant to persist for a longer period of time which further decreased the fertility and natural composition of land. Nickel, an inorganic pollutant, coming from a wide range of industrial and manufacturing units possesses serious threat to soil degradation and crop productivity around the world. The pr...

Cadmium (Cd) is among the most widespread toxic trace elements found in agricultural soils due to various anthropogenic activities. The role of micronutrient-amino chelates on reducing Cd toxicity in crop plants is recently introduced. The current study was conducted to highlight the role of foliar application of zinc-lysine (Zn-lys) complex on bio...

Soil and water contamination from heavy metals and metalloids is one of the most discussed and burning global issues due to its potential to cause the scarcity of healthy food and safe water. The scientific community is proposing a range of lab and field based physical, chemical and biological solutions to remedy metals and metalloids contaminated...

Chromium (Cr) is a biologically non-essential, carcinogenic and toxic heavy metal. The cultivation of Cr-tolerant genotypes seems the most favorable and environment friendly strategy for rehabilitation and remediation of Cr-contaminated soils. To prove this hypothesis and identify the Cr tolerance, the present study was performed to assess the phys...

Benthic cyanobacterial mats occurring in the St. Lawrence River fluvial lakes Saint-Louis and Saint-Pierre are dominated by Microseira (Lyngbya) wollei which produce several cyanotoxins including LWTX-1 that is characteristic of Microseira wollei. This cyanotoxin is not only present in the filaments forming benthic mats, but was also measured in th...

Oilseed crops are grown worldwide and considered as one of the most important crops due to their economic importance.These crops mainly include rapeseed, mustard, sesame, groundnut, sunflower, safflower, soybean and cotton. Heavy metal pollution is one of the main concern in many industrialized community around the globe, particularly in those area...

The concentrations of engineered metal and metal oxide nanoparticles (NPs) have increased in the environment due to increasing demand of NPs based products. This is causing a major concern for sustainable agriculture. This review presents the effects of NPs on agricultural crops at biochemical, physiological and molecular levels. Numerous studies s...

Accumulation of excess copper (Cu) in agricultural soils can decrease growth and quality of crops grown on these soils and little information is available on the role of silicon (Si) in reducing Cu toxicity in plants. A hydroponic study was conducted to investigate the effects of Si (1.0 mM) on growth and physiology of cotton seedlings grown on dif...

Introduction:Hospital acquired infections (HAIs) are the major contributors of mortality associated with burn injuries. The aim of this research was to document the antecedents affiliated with major burn injuries, hospitalization and mortality in burn patients. Methods:We performed a single center prospective study of patients admitted during 3 mon...

Globally various anthropogenic activities in the surrounding environment are responsible for accumulation of considerable amount of chromium in the soil. This increasing level of chromium is now a chief area of concern for environment Microorganisms by their distinctive role in soil ecosystem affect the physical, chemical and biological properties...

Cadmium (Cd) level is continuously increasing in agricultural soils mainly through anthropogenic activities. Cadmium is one of the most phytotoxic metals in soils. The present study investigates the possible role of exogenously applied glycinebetaine (GB) in alleviating Cd toxicity in cotton (Gossypium hirsutum L.) plants in a hydroponic system. Th...

Tillage practices and row spacing can be manipulated to optimize spatial distribution and plant growth, therefore maximizing sunlight, soil water use efficiency, nutrients and grain yield on sustainable basis. A field study was conducted to determine the effect of tillage and row spacing on growth and yield of wheat (Triticum aestivum L.) at Agrono...

Hospital and medical waste management practices are very unsatisfactory in developing countries especially in Pakistan. Existing techniques and practices are not in accordance with the guidelines and levels prescribed by the WHO (World Health Organization) and other international bodies concerned with environment and human health. The objective of...

Drought and salinity are the main abiotic stresses limiting crop yield and quality worldwide. Improving food production in drought- and salt-prone areas is the key to meet the increasing food demands in near future. It has been widely reported that silicon (Si), a second most abundant element in soil, could reduce drought and salt stress in plants....

A pot experiment was conducted to evaluate the role of glycinebetaine (GB) in chromium (Cr) tolerance in mung bean (Vigna radiata L.) grown in Cr-stressed soil. Three concentrations of Cr (0, 250 and 500 µM) were tested with three (0, 50 and 100 mM) concentrations of foliar-applied GB. Cr alone led to a significant decrease in plant growth, biomass...

Cotton (Gossypium hirsutum L.) is a well-known and economically most beneficial crop worldwide while nickel (Ni) toxicity is a widespread problem in crops grown on Ni-contaminated soils. We investigated the response of silicon (Si) in cotton under Ni stress with respect to growth, biomass, gas exchange attributes, enzymatic activities, and Ni uptak...

A 28-day pot (sand culture) experiment was carried to evaluate the effects of phosphorus (P) application in alleviating Cd phytotoxicity in wheat plants. Different levels of P (0, 10, and 20 kg ha−1) were applied without and with 100 µM Cd. The results showed that 100 µM Cd concentration decreased plant biomass, chlorophyll contents, gas exchange a...