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Introduction
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Publications
Publications (41)
For sustainable waste management along with bioresource recovery, oily sludge waste was exploited for microbial polyhydroxyalkanoate (PHA) production. Nine bacterial strains with the capacity to grow fast, having high sodium benzoate and crude oil degradation potential as well as Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) [P(3HB-co-3HV)] producti...
A multipurpose technology, Microbial Fuel Cells (MFC) can remediate wastewater and generate bioenergy. MFC produces electrical energy through oxidation-reduction reactions taking place on the surface of its electrodes. It is the performance of the anode and cathode materials in the MFC that determines the electrical energy produced. Coating nanopar...
The textile industry, a traditional and skill-driven sector, faces challenges in circularizing products and needs innovative thinking for weaving sustainable approaches in day-to-day practices. In 2023, the global textile market was estimated to be around 31 trillion USD and employed over 300 million people globally. The enormous presence brings a...
Though bioremediation of hazardous petroleum refinery waste (oily sludge) has been practiced for the last few decades, the present study proposes to obtain polyhydroxyalkanoate (PHA)-based bioplastic polymer from it as a valuable byproduct parallel to its treatment. In the present study, nine fast-growing and sodium benzoate degrading bacterial str...
Background Puccinia arachidis fungus causes rust disease in the peanut plants (Arachis hypogaea L.), which leads to high yield loss. Metabolomic profiling of Arachis hypogaea was performed to identify the pathogen-induced production of metabolites involved in the defense mechanism of peanut plants. In this study, two peanut genotypes, one susceptib...
Microbial electrochemical technologies (METs) are rapidly evolving as a form of sustainable energy generation to meet challenges for renewable energy sources. METs are associated with generation of power, synthesis of various products used as biofuel, and bioremediation of complex waste. Types of METs include microbial fuel cell (MFC) for power gen...
Supplementary data for the paper "comparative assessment of soil microbial community in crude oil contaminated soil"
DOI: http://dx.doi.org/10.1016/j.envpol.2023.121578
Increase in global population with increasing water demand, there is an urge for development of innovative wastewater treatment technologies along with green energy production. A microbial fuel cell (MFC) is a leading technology in which chemical energy is converted into electrical energy by catalytic action of organisms. Kharicut canal situated in...
Conventional wastewater treatment plant treats wastewater aerobically using biological treatment methods which is energy consuming and expensive. The higher molecular weight aromatic hydrocarbons present in industrial effluents collected by common effluent treatment plant generally are not degraded by conventional treatment methods and hence someti...
Abstract
Petroleum refineries generate oily sludge that contains hazardous polycyclic aromatic hydrocarbons (PAH), and hence, its proper disposal is of foremost concern. Analysis of the physicochemical properties and functions of indigenous microbes of the contaminated sites are essential in deciding the strategy for bioremediation. This study anal...
Surfactants are used in the formulation of pesticides and fertilizers to improve distribution by micelle formation for reducing surface and interfacial tension. Many actual synthetic surfactants are non-biodegradable and exhibit toxic effects, calling for safer compounds such as biosurfactants. Only about 25–30% of surfactants used in agricultural...
Wastewater from industries causes major environmental pollution problems. The urban development and commercialization in developing countries cause deterioration of surface water resources. Hence, for its improvement, it is essential to develop highly sensitive devices with quick response for monitoring of wastewater contamination. In this respect,...
Polyhydroxyalkanoate (PHA) is biodegradable biopolymer produced by microorganisms as lipid inclusion body under the stressful environmental conditions. They possess the properties analogous to petrochemically derived synthetic plastics and can serve as novel resource for production of bioplastics. Varieties of prokaryotes in diverse niches have bee...
Biofuel cells involving enzymes and whole cells of microorganisms are gaining interest with the increasing need for self-powered devices. Their nontoxic, pollution-free energy conversion technology has received tremendous attention in the last two decades, evidenced by the existing literature on this field. There are also various reviews explaining...
Application of power management system (PMS) in microbial fuel cell (MFC) for potential energy harvesting is coming up as an emerging trend for field level applications. Though the energy recovery and environment benefits of MFC are well recognized, still scaling-up challenges are confronted during onsite applications for sufficient power generatio...
Microbial electrochemical technologies (METs) are rapidly evolving as a form of sustainable energy generation to meet challenges for renewable energy sources. METs are associated with generation of power, synthesis of various products used as biofuel, and bioremediation of complex waste. Types of METs include microbial fuel cell (MFC) for power gen...
Microbial Fuel Cell (MFC) is an innovative bio-electrochemical approach which converts biochemical energy inherent in wastewater into electrical energy, thus contributing to circular economy. Five electrogenic bacteria, Kocuria rosea (GTPAS76), two strains of Bacillus circulans (GTPO28 and GTPAS54), and two strains of Corynebacterium vitaeruminis (...
Microbial fuel cell is an emerging technology which has been immensely investigated for wastewater treatment along with electricity generation. In the present study, the treatment efficiency of microbial fuel cell (MFC) was investigated for hydrocarbon containing wastewater by optimizing various parameters of MFC. Mediator‐less MFC (1.2 l) was cons...
A model aromatic compound, sodium benzoate, is generally used for simulating aromatic pollutants present in textile effluents. Bioremediation of sodium benzoate was studied using the most abundant bacteria, Pseudomonas citronellolis , isolated from the effluent treatment plants of South Gujarat, India. Multiple nutrients constituting the effluent i...
The goal of this study was to identify differentially expressed genes (DEGs) responsible for peanut plant (Arachis hypogaea) defence against Puccinia arachidis (causative agent of rust disease). Genes were identified using a high-throughput RNA-sequencing strategy. In total, 86,380,930 reads were generated from RNA-Seq data of two peanut genotypes,...
A variety of biosensing strains for monitoring of aromatic hydrocarbon pollutants have been developed but only few have been applied to field due to their lower survival rate and susceptibility to toxic pollutants. Immobilization is one of the solutions to protect strain from toxic pollutants. Synthetic and natural matrices were screened for immobi...
Engineered nanoparticles have found widespread applications in technology, industry, healthcare and consumer products today. The magnitude of nanoparticles released by various industrial and domestic processes is as high as 2985 tonnes/year into receiving water bodies. Yet the data on release of nanoparticles from different types of products and th...
On-line detection of aromatic hydrocarbon pollutants in aqueous environments can be achieved by biosensing strains having fusion of gene responsible for pollutant sensing protein with a reporter gene. Regulatory proteins TbuT, HbpR and PhnR are such proteins for recognizing one-, two-and three-ring aromatic hydrocarbon pollutants respectively, for...
The major sources for release of hydrocarbons into the environment include the effluents generated from chemical processing industries and ports. The introduction of such hazardous compounds into natural water bodies creates considerable disturbances in aquatic life and causes a threat to humans. Thus, it is essential to detect and quantify polluta...
The growth of developing countries such as India depends on the generation of energy required for industrial and agricultural sectors, and the energy-use efficiency of their processes. In the current energy crisis it is now a major concern of governments and researchers to look for alternative and sustainable sources of energy for the future. Fuel...
To overcome the issue of interferences by salt and compactness in release of bacterial cell required for lysis, method described by Yeates et al. (1998), was optimized for isolation of genomic material (Deoxyribo Nucleic Acid, DNA) from soil microbial community by addition of Al(NH4)SO4. Very low total viable count was observed in the samples teste...
All living beings of various trophic levels in ecosystem depend on the soil as a source of nutrients and depend on soil organisms to release and recycle key nutrient elements by decomposing organic residues. Microbiota of soil plays critical role in the maintenance of soil health and quality by secreting important enzymes, which are capable of func...
India being the developing country faces lots of issues related to energy crisis. Increased population rate leads to generation of various types of wastes and associated treatment problems. Microbial Fuel Cells (MFCs) provide new opportunities for the sustainable production of energy from biodegradable, reduced compounds present in wastewater. MFC...
Common effluent treatment plants (CETPs) of South Gujarat region, India, process wastewater generated by more than 2500 industries because of the nonfeasibility of processing at the individual industrial unit. This study assessed functional microbial diversity in wastewater samples of CETPs over a geological belt using Ecoplate®, isolation of the m...
Soil microbial diversity is of utmost importance for functioning of any ecosystem. Samples from coastal region of Gujarat, that is, from Alang, Daman, Mandvi, Okha, Porbandar and Veraval, and from desert areas of Bhuj, Dhordo and Khavda were collected. The purpose of our study was enumeration and functional diversity analysis of 14 functional micro...
Ecology and diversity of phosphate solubilizing microorganisms in 20 soil samples comprising organic and non-organic farming, virgin and barren soils of Gujarat, India were studied. No considerable seasonal variation in population densities of various phosphate solubilizers was observed. Out of 40 phosphate solubilizing microorganisms, Pseudomonas...
We investigated carbohydrate utilisation patterns from organic farms, conventional farms and virgin soils of Tharad, Banaskantha district, Gujarat India Profiles of utilisation capacity of carbohydrates were statistically analysed by two multivariate methods viz. Principal Component Analysis and Hierarchical Cluster Analysis. The data were recorded...