Krishna Kumar Yadav

Madhyanchal Professional University · Faculty of Science and Technology

Municipal Solid Waste Management is a major environmental issue in India. Due to rapid increase in urbanization, industrialization and population, the generation rate of municipal solid waste in Indian cities and towns is also increased. Mismanagement of Municipal Solid Waste can cause adverse environmental impacts, public health risk and other soc...

The global push toward a hydrogen economy fuels hydrogen production from various sources. A crucial step in enriching hydrogen and reducing CO in syngas derived from carbon-based hydrogen production is the water-gas shift reaction (WGSR). Given the equilibrium-limited nature of WGSR, low temperatures are necessary to reduce carbon monoxide concentr...

In today's fast-paced technological era, multifaceted technological advancements in our contemporary lifestyle are surging the use of electronic devices, which are significantly piling e-waste and posing environmental concerns. This stock of e-waste is expected to keep rising up to 50 mt year-1. Formal recycling of such humongous waste is a major c...

Non-coding RNAs have gathered significant attention for their unique roles in biological regulation. Across a broad spectrum of developmental processes and diseases, particularly in human malignancies, ncRNAs play pivotal roles in regulatory mechanisms. MicroRNAs, long noncoding RNAs, and small nucleolar RNAs stand out among the diverse forms of nc...

Glutathione (GSH) is a critical tripeptide composed of glutamate, cysteine, and glycine, playing a multifaceted role in plant physiology, especially under stress conditions. As a powerful antioxidant, GSH is essential for maintaining cellular redox balance, which is crucial in protecting plants from oxidative damage. This molecule is deeply involve...

Predicting streamflow in ungauged basins is a challenging hydrological issue that requires accurate estimation for effective water resource management. This article aims to evaluate the effectiveness of five different Machine Learning (ML) models (i.e., M5 model tree (M5), Random Forest (RF), Support Vector Regression-polynomial kernel (SVR-poly),...

The photocatalytic properties and visible light absorption of boron-doped graphitic carbon nitride (B-g-C3N4) have garnered significant interest in recent years due to their potential applications in environmental remediation and energy conversion. However, enhancing the separation of electron-hole pairs has posed a notable challenge in optimizing...

Constructed wetland (CW) is a cost-effective and ecologically sustainable technique for the restoration of polluted aqueous ecosystems through physical, chemical, and biological purification processes. The substrate of CWs is considered as the integral component that significantly influences the wastewater treatment efficacy and ecological associat...

This study describes a novel application of the Tribulus terrestris extract as a highly efficient corrosion inhibitor for steel in 1 M H2SO4 solution. The Tribulus terrestris extract contains considerable phytochemicals, notably Tribuloside, Kaempferol, and Kaempferol-3-glucoside that are basically for its anticorrosive behavior. Various studies in...

Knowledge of soil temperature (ST) is important for analysing environmental conditions and climate change. Moreover, ST is a vital element of soil that impacts crop growth as well as the germination of the seeds. In this study, four machine-learning (ML) paradigms including random forest (RF), radial basis neural network (RBNN), multi-layer percept...

Nitrogen-containing heterocyclic compounds (NCHCs) have an important role in the field of medicinal chemistry due to their extensive biological activities and their prevalence in natural compounds, pharmaceuticals, and materials science. Here, we have reviewed the recent advancements in the formulation of NCHCs via multicomponent reactions (MCRs)....

Nanorod and nanosphere hydroxyapatite (HAP) particles were synthesized by the sol–gel hydrothermal method. The size of the synthesized HAP nanoparticles was controlled using cetyltrimethylammonium bromide (CTAB) as a templating agent with molar concentrations (HAP + 0.01 M CTAB, HAP + 0.03 M CTAB, and HAP + 0.1 M CTAB). The purity, size, shape, and...

Fossil fuel is one of the most important sources of energy that have been powering economies for last 150 years. However, the combustion of these fossil fuels is the primary cause of emissions of greenhouse gases, particularly carbon dioxide, which contributes to the warming of the planet and enhances greenhouse effect. In order to mitigate the neg...

The pollution index is a helpful tool for assessing the quality of groundwater. To assess the water quality in the southern segment of Barmer District (Rajasthan), India, we have collected 20 samples of groundwater from the post-monsoon 2021 and pre-monsoon 2022 periods. Phys-icochemical parameters such as the potential of hydrogen (pH), electrical...

Automation, autonomy, and precision play vital roles in modern technology and procedures, especially in response to the rising global population and the need for improved fruit production technologies. The quality criteria for fruit yield are becoming increasingly complex, necessitating fundamental upgrades. Sensor-based technologies pave the way f...

The univariate and multivariate statistical approaches were used to investigate the genotypic and phenotypic variability in ten wheat accessions. Eleven traits assessed during investigation were days to 50% flowering (DTF), area of flag leaf, plant height (PH), spike length, number of spikelets/spike (NSPS), number of grains/spike, days to maturity...

Water is the basic molecule in living beings, and it has a major impact on vital processes. Plants are sessile organisms with a sophisticated regulatory network that regulates how resources are distributed between developmental and adaptation processes. Drought‐stressed plants can change their survival strategies to adapt to this unfavorable situat...

Sugarcane holds paramount importance as a key raw material in India's second26 largest agro-based industry, particularly in the state of Uttar Pradesh, which boasts the largest sugarcane cultivation area. Amidst unprecedented climate changes, accurate crop yield forecasting is imperative for informed decision-making in policy formulation, marketing...

Nanotechnology arising in wide-ranging areas, covers extensively different ranges of approaches attained from fields such as biology, chemistry, physics, and medicine engineering. Nanoparticles are a necessary part of nanotechnology effectually applied in the cure of a number of diseases. Nanoparticles have gained significant importance due to thei...

This work focused on the biotreatment of wastewater and contaminated soil in a used oil recycling plant located in Bizerte. A continuous stirred tank reactor (CSTR) and a trickling filter (TF) were used to treat stripped and collected wastewater, respectively. The CSTR was started up and stabilized for 90 days. Over the following 170 days, the oper...

Improving the forecasting accuracy of agricultural commodity prices is critical for many stakeholders namely, farmers, traders, exporters, governments, and all other partners in the price channel, to evade risks and enable appropriate policy interventions. However, the traditional mono-scale smoothing techniques often fail to capture the non-statio...

Semiconductor materials capable of absorbing visible light are of considerable importance in photocatalysis due to their energetic properties. This study presents the layered synthesis of a novel hybrid compound exhibiting enhanced photocatalytic properties. The composite led to the formation of a potential layered double hydroxide/metal–organic fr...

This study investigates the corrosion inhibition properties of two newly synthesized namely (E)-2-(2-benzylidenehydrazineyl)-5,5-diphenyl-3,5-dihydro-4H-imidazol-4-one denoted Ph-DDI and (E)-2-(2-(4-methylbenzylidene)hydrazineyl)-5,5-diphenyl-3,5-dihydro-4H-imidazol-4-one denoted CH3Ph-DDI, on mild steel (MS) in a 1 M HCl solution. These compounds...

In recent years, plastic has emerged as a widely used material, replacing traditional materials across various industries due to its versatility and convenience. However, this extensive adoption of plastic has resulted in significant environmental challenges, especially in managing mixed plastic waste. To address this, energy recovery technologies...

The present study focuses on the green synthesis of a novel Z-scheme SnS₂/HAp photocatalyst using Ocimum tenuiflorum (tulsi) leaf extract as a stabilizing agent. This approach not only emphasizes sustainability but also adds value to waste by extracting hydroxyapatite (HAp) from Labeo rohita fish scales, addressing the challenge of their disposal....

This study developed novel magnetic microbeads based on trimethoxysilylpropylethylenediamine (TSD) as a primary-secondary amine source through a one-pot process. The process involves coating magnetic iron oxide nanoparticles (MNPs) with primary-secondary amine (TSD), followed by cross-linking with alginate (Alg). The ternary magnetic microbeads (Al...

Photocatalyst‐enzyme coupled system for harnessing solar light stands out as a highly promising avenue that facilitates bio‐transformation and produces solar fuels. This study explores the integration of a metal‐free photocatalyst in the bio‐reduction of furfural to produce furfuryl alcohol. However, the bio‐reduction of furfural to produce furfury...

This study aimed to classifying wheat genotypes using support vector machines (SVMs) improved with ensemble algorithms and optimization techniques. Utilizing data from 302 wheat genotypes and 14 morphological attributes to evaluate six SVM kernels: linear, radial basis function (RBF), sigmoid, and polynomial degrees 1–3. Various optimization method...

In the contemporary period characterized by limited availability of water resources, the efficient treatment of wastewater is a fundamental requirement for the advancement of the economy. The development and implementation of modern wastewater treatment technologies that exhibit high efficiency and low capital requirements are of utmost importance....

Persistent exposure to arsenic, chromium, cadmium, lead, and selenium in drinking water above permissible levels poses significant health risks, including increased incidences of skin, lung, bladder, and kidney cancers. This study evaluated 34 water samples from Rupnagar district, Punjab, for heavy metal content. Health risks were assessed using ha...

The main challenges for utilizing daily evapotranspiration (ET) estimation in the study area revolve around the need for accurate and reliable data inputs, as well as the interpretation of ET dynamics within the context of local agricultural practices and environmental conditions. Factors such as cloud cover, atmospheric aerosols, and variations in...

The recalcitrance and physiochemical complexity of lignocellulosic biomass limit its hydrolysis and subsequent anaerobic digestion to produce biomethane. Restricted lignocellulose hydrolysis reduces the substrate supply to catabolic pathways of anaerobic digestion, altering the indigenous digester microbiota by affecting the syntrophy between hydro...

Rhizosphere is a dynamic and complex environment shaped by intricate interactions between plants and a diverse microbial community. The rhizosphere microbiome is crucial for plant growth, nutrition, and health in agro-ecosystems. Recent advancements in metagenomics, especially through shotgun sequencing, offer unprecedented opportunities to unravel...

Aerogels are ultraporous solid materials characterized by numerous distinctive characteristics, such as an ultrahigh specific surface area, ultralow bulk density, ultralow modulus, extremely low thermal conductivity, extremely low sonic velocity or sound speed, extremely low refractive index, and extremely low dielectric constant. Due to these tuna...

Zinc oxide has been increasingly gaining 28 popularity due to its various multifunctional features and applications in nanotechnology. Zinc oxide nanoparticles (ZnO NPs) are versatile, as these are utilized in multiple areas like gas sensing, biomedical applications, rubber composites, cosmetics formulations, food, and agriculture industry, etc. Zn...

Opuntia (Cactaceae) species are native to arid and semi-arid regions of Mexico and the southern United States and grow in various climatic zones. Opuntia dillenii is a cactus fruit with many beneficial properties, and it is used as a medicinal plant in various countries. This review paper provides updated information on the phytochemical and pharma...

Artificial photosynthesis, which mimics the natural process used by plants, offers a promising strategy for harnessing solar energy to produce valuable fuels. One intriguing approach is the photocatalyst-enzyme attached system, where a photocatalyst captures light energy and transfers it to an enzyme to drive specific chemical reactions. This study...

Urbanization and industrialisation have led to an eruption of tannery industries in India and other countries at a rapid spur. These industries release lot of wastewaters during the cleaning and manufacture of leather hide. The wastewaters thus released directly into rivers and other waterbodies are abundantly rich in heavy metals and pollutants. T...

Ecosystems and human health are being negatively impacted by the growing problem of electrical waste, especially in developing countries. E-waste poses a significant risk to ecological systems because it can release a variety of hazardous substances into the environment, containing polybrominated diphenyl ethers and heavy metals, brominated flame r...

Forest waste is a crucial by-product of industries such as sawmills and timber processing facilities. Lignin is extracted from these residues; due to its high abundance, sustainability, inexpensiveness, and good functionality, it is a low-cost, eco-friendly, green, readily available biomass material for hydrogel synthesis. Various techniques, inclu...

The low cost and ecological compatibility of green technology makes it superior to chemical approaches in the generation of metal nanoparticles. The current study shows the use of cranberry fruit extract in the environmentally friendly green production of palladium nanoparticles. It is well known that the fruit extract from cranberries has a rich p...

Realizing the intricate relationships between drought, vegetation dynamics, and climate change is essential for sustainable resource management. Although temperature and rainfall patterns are the primary determinants of these fluctuations, human activity also plays a significant role. Recent decades have witnessed significant climate change events,...

Nanomaterial synthesis is a growing study area because of its extensive range of uses. Nanoparticles' high surface‐to‐volume ratio and rapid interaction with various particles make them appealing for diverse applications. Traditional physical and chemical methods for creating metal nanoparticles are becoming outdated because they involve complex ma...

This study aimed to develop and evaluate chitosan/lysine nanoparticles as a delivery system for capecitabine in cancer treatment. Nanoparticles were synthesized via ionic gelation and characterized using FTIR, XRD, SEM, TEM, and UV spectroscopy. FTIR analysis confirmed successful drug loading, while XRD revealed the amorphous nature of the encapsul...

One of the most promising options for phomilliliters carbon dioxide reduction along with aerobic oxidative cyclization reaction by Eosin-Y-based light harvesting photocatalysts remains a key challenge. Here, we unveil the...

This research aims to analyze the biodegradation dynamics of a tertiary composite blend, including High-Density Polyethylene (HDPE), starch and linen fiber, and their combined effect on decay processes in authentic environmental settings. It investigates the relationship between fiber content and decomposition rates, details the biodegradation mech...

Biological synthesis of metal nanoparticles has been discovered in recent years, and they have been effectively manufactured and studied from diverse plant extracts. Recent research has shown that nanoparticles have extremely promising antibacterial, larvicidal and anticancer effects. The current study aimed to synthesize Senna alexandrina leaf ext...

Our research employs a holistic methodology to assess the efficacy of a series of phenolic Schiff bases as corrosion inhibitors for mild steel in a 1 M HCl solution. Through complementary studies, we aim to unravel the corrosion inhibition mechanism by investigating neutral, protonated, and complex forms of inhibitors using advanced computational a...

Elevated global pollution level is the prime reason that contributes to the onset of various harmful health diseases. The products of Biginelli reaction are enormously used in the pharmaceutical industry as they have antiviral, antibacterial, and calcium channel modulation abilities. This work reports a novel eosin Y sensitized boron graphitic carb...

This research focused on developing pH-regulated intelligent networks using quince and mimosa seed mucilage through aqueous polymerization to sustain Capecitabine release while overcoming issues like short half-life, high dosing frequency, and low bioavailability. The resulting MSM/QSM-co-poly(MAA) hydrogel was evaluated for several parameters, inc...

In this comprehensive investigation, we evaluate the efficacy of the Fenton process in degrading basic fuchsin (BF), a resistant dye. Our primary focus is on the utilization of readily available, environmentally benign, and cost-effective reagents for the degradation process. Furthermore, we delve into various operational parameters, including the...

The need for sunlight chemical renewal and contemporary organic transformation has fostered the advancement of environmentally friendly photocatalytic techniques. For the first time, we report on the novel crafting of a bright future with selenium‐infused Eosin‐B (Sein‐E‐B) nanocomposite photocatalysts in this work. The Sein‐E‐B nanocomposite mater...

The solid-state catalyst-mediated oxidation of alkyl lactate produced from biomass to alkylpyruvate is an intriguing approach to manufacture valuable resources compounds. In this study, several types of SBA-15/Zn/Ni catalysts containing different nickel loadings have been developed and used in a molecular oxygen environment to oxidize ethyl lactate...

Mg-doped copper chromite (CuCr2O4) nanocomposites were synthesised through conventional technique. The pure and doped CuCr2−xMgx O4 (x = 0.00–0.1, 0.2 and 0.3%) nanocomposites were characterized in terms of their morphology, crystal structure, surface area and catalytic performance. The chemical composition of CuCr2−xMgx O4 was confirmed via FT-IR....

Microfibers, a prevalent form of microplastics, undergo diverse environmental interactions resulting in varied morphological changes. These changes can offer insights into their environmental trajectories. Despite its importance, comprehensive studies on microfiber morphology are scarce. This study collected 233 microfibers from the East China Sea...

In addressing the environmental impact of açaí pulp production waste, this study explores the sustainable transformation of Euterpe oleracea fruit pits into activated carbon using a zinc chloride (ZnCl2) activation process. The primary aim is to repurpose this agricultural by-product for the efficient removal of atrazine (ATZ) and 2,4-dichloropheno...

In this investigation, the carcinogenic and toxic dye pararosaniline, which is notoriously difficult to remove with standard wastewater treatment procedures, is broken down using the Fe2+/K2S2O8 (Fe−KPS)/hydroxylamine (HA) reaction. Different processing variables, salts, natural organic constituents, and water matrix are investigated and adjusted f...

This research focuses on the fabrication and application of in situ boron and selenium-doped carbon nitride nanosheets as effective photocatalysts using sun spectrum irradiation to convert turbocharged benzaldehyde to benzyl alcohol. To optimize the doping method for enhanced activity, the effect of changing dopant concentrations on catalytic effic...

Graphitic carbon nitride as a photocatalyst seeking attention nowadays, due to its thermal stability, band structure, and chemical properties. Herein, we reported a boron sulfur co-doped graphitic carbon nitride (B@S-g-C3N4) photocatalyst synthesized by a one-pot thermal polycondensation mechanism. However, it was observed that due to co-doping in...

Suspended sediment concentration prediction is critical for the design of reservoirs, dams, rivers ecosystems, various operations of aquatic resource structure, environmental safety, and water management. In this study, two different machine models, namely the cascade correlation neural network (CCNN) and feedforward neural network (FFNN) were appl...

The persistent and indiscriminate application of low-efficiency fertilizers, coupled with environmental degradation, poses a substantial threat to the sustainability of agricultural fields. To address these limitations, employing nanotechnology in agriculture emerges as a promising strategy that transforms traditional production systems into advanc...

The present time nanocomposites show highly improved photocatalytic performance in water pollution remediation technology. Herein, BMZ (Bi2MoZnO7) nanocomposite photocatalyst has been synthesized via the co-precipitation method. The structural and morphological studies were interpreted by analytical techniques including X-Ray Diffraction (XRD), Fie...

Carbon nanotubes (CNTs) have emerged as a promising frontier in plant science owing to their unique physicochemical properties and versatile applications. CNTs enhance stress tolerance by improving water dynamics and nutrient uptake and activating defence mechanisms against abiotic and biotic stresses. They can be taken up by roots and translocated...

Schiff-base metallic complexes have garnered considerable attention due to their unique attributes and broad applications across various sectors. Among these, organic Schiff-type bases have emerged as effective agents for mitigating corrosion in challenging environments. This study employs a comprehensive approach to assess the efficiency of 2- Hy...

In this comprehensive investigation, a novel pH-responsive hydrogel system comprising mimosa seed mucilage (MSM), β-cyclodextrin (β-CD), and methacrylic acid (MAA) was developed via free radical polymerization technique to promote controlled drug delivery. The hydrogel synthesis involved strategic variations in polymer, monomer, and crosslinker con...