Alok Mittal

Alok Mittal
Maulana Azad National Institute of Technology, Bhopal | MANIT · Department of Chemistry

D.Sc., Ph.D.

About

110
Publications
67,170
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13,888
Citations
Citations since 2016
26 Research Items
7096 Citations
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201620172018201920202021202202004006008001,000
201620172018201920202021202202004006008001,000
201620172018201920202021202202004006008001,000

Publications

Publications (110)
Article
Full-text available
2,4-Dinitrophenol (2,4-DNP) is a toxic compound that is widely used in many industrial and agricultural processes. This compound has low biodegradability in the environment due to its aromatic structure, and it is unsuccessfully eliminated by other chemical methods. Therefore, in this study, an integrated oxidation and reduction method was used to...
Article
A hydrothermal methodology followed by calcinations employed for the formation of CeO2 - MnO2 /CNF composite to meet the requirement of superior electrochemical energy storage and sensing performance. The growth of agglomerated tiny CeO2 clusters grown with needle shaped MnO2 decorated over CNF surface gives rise to efficient hybrid sensing and ele...
Chapter
Full-text available
Incessant advancement of industry and agriculture has amplified organic pollutants contents in recent years causing grave threat to environmental well-being. With time, adsorption has established as an effective and financially advantageous process for the elimination of organic contaminants, like dyes, phenolics, pesticides, polynuclear aromatics...
Article
Herein, we report the synthesis of a novel bio-nanocomposite (Alg-Cst/Kal) for the effective removal of the dye “Crystal Violet” from its aqueous solutions. In order to observe the surface morphology and functional groups, the bio-nanocomposite was characterized using various techniques such as SEM, EDX, TEM, FTIR, XRD, and TGA. The effect of param...
Article
The present report is an outcome of investigations to assess the adsorptive potential of a synthesized metal- and halide-free variant of ordered mesoporous carbon (OMC) towards an anionic azo dye, Methyl Orange. The results of preliminary studies, carried out in batch mode, helped in setting up the process variables to achieve optimum adsorption co...
Article
Activated carbon obtained from rhizomes of black turmeric is used for the removal of industrial pollutant crystal violet dye from aqueous solution. The ash was characterized by Fourier transform infrared, X-ray diffraction (XRD), and scanning electron microscopy. Powder XRD pattern of the adsorbent reveals the peaks at 2q angles 26.7°, 28.6°, 30.5°...
Article
Egg shell (ES) is a biological macromolecule mainly containing calcite embedded in proteins and polysaccharides, while shell membrane predominantly contains proteins. Thus ES with membrane (ESM) possesses richer protein contents than ES. In the present work, ES and ESM have been separately modified using mono- and di- cationic imidazolium ionic liq...
Article
Herein, an ordered mesoporous carbon (OMC) material was prepared using a metal and halogen free method, and its adsorptive potential for the cationic dye, ‘Methylene Blue’ (MB), was investigated. Batch studies were carried out to determine the influence of pH, dye concentration, adsorbent quantity, and contact time on adsorption behaviour. Adsorpti...
Article
Full-text available
Ash of Curcuma caesia has been explored as potential adsorbent for removal of hazardous dye malachite green from aqueous solution. Surface morphology of ash was studied using scanning electron microscopy. The adsorption mechanism and kinetics of the process have been investigated. Adsorption process is pH-dependent and favored at basic pH. Dubinin-...
Article
In this paper, Ag doped MnO2-CNT nanocomposite was fabricated by using simple co-precipitation route. The synthesized nanocomposite was employed as adsorbent for elimination of Acridine Orange dye. The structural analysis of as synthesized Ag doped MnO2-CNT nanocomposite confirms the presence of (111) plane of Ag, (104) of carbon and (110) plane of...
Article
The fast growth in the anthropogenic activities, that involve a wide use of pharmaceuticals, has led to the appearance of new toxic and hazardous chemical compounds, called “emerging pollutants”, which could cause unpredictable consequences to the ecosystems. The current review is focused on emerging pollutants occurring in food or air and include...
Chapter
Light mediated polymers have unique property of getting quickly cured into hardened film, in the presence of UV or visible light. For the last several years different types of light mediated biopolymers of wide range of medical applications have been prepared. They are employed extensively in biomedical field, to name a few, medicine, artificial or...
Article
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Phytochemicals present in plant extract include a number of biological active compounds which have shown promising antioxidant and anti-inflammatory activities in many animal studies. Present knowledge about the biochemical interactions of these compounds present in phytochemical extracts and target enzymes or proteins responsible for antioxidant a...
Article
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The present study includes evaluation of the antimicrobial activity of methanolic extracts of some plant parts of Indian origin against two gram-positive and two gram-negative bacterial strains with reference to B. subtilis, S. aureus, P. Aeruginosa, E. coli using the disk diffusion method. The methanolic plant extracts used in present study are de...
Article
Adsorption is a very promising and efficient technology for the removal of hazardous pollutants from water. In this regard, clay minerals have gained prime importance because of their natural origin, widespread existence and their unique features. Halloysite is a 1:1 clay mineral which is highly abundant in nature and has proven to be a bio-compati...
Article
Full-text available
Cancer is an anomalous growth of cells which originates from a single abnormal cell.These cells then moves through the tissues, shift to various parts of the body and enhances the growth of new blood vessels thus acquiring nutrients. Cancerous cells can be evolved in body from any tissues.Various treatments are into force today but have serious sid...
Article
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Background: Pomegranate is the most significant tree which has been domesticated for incalculable human benefits and serves as a food medicine of great importance. Pomegranate has been found to have ethnomedical hi phytochemicals. These are found to possess several chemicals a value. Its various parts are exploited by pharmaceuticals and are consid...
Article
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A novel nanocomposite adsorbent chitosan grafted polyaniline-OMMT (CPOM) was synthesized by oxidative free radical polymerization of aniline in presence of montmorillonite and chitosan. The material was well characterized by FTIR, XRD, TGA, SEM and TEM and engaged for the removal of Cr (VI) and Cd (II) from aqueous solutions. Various parameters suc...
Article
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Disposal of exhausted waste rubber tires discarded from vehicles is a serious environmental problem. Their storage requires large amount of space and can cause fire hazard. Burning of these tires produces toxic gases, which impose severe health hazards. In this study, tire activated carbon, obtained by the pyrolysis of waste tire, is used for the r...
Article
Worldwide consumption of hen eggs is quite high, which results into availability of large amount of discarded egg wastes, particularly egg shell (ES) and egg shell membrane (ESM). Disposal of ES and ESM is always a problem particularly to the authorities of food, bakery and poultry units. In recent years, attempts have been made to utilize ES and E...
Article
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Multiwall carbon nanotubes (MWCNTs) were chemically modified to form nanocomposite with thorium oxide. The MWCNTs/ThO2 nanocomposite was characterized using different modern techniques including Fourier transform infrared spectroscopy, X-ray powdered diffraction, scanning electron microscope, and transmission electron microscope. The average size o...
Article
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A novel adsorbent poly (methyl methacrylate)-grafted alginate/Fe 3 O 4 nanocomposite was synthesized by oxidative-free radical-graft copolymerization reaction. The nanocomposite was characterized using FT-IR, X-ray diffraction, SEM, TEM, TGA and DSC techniques. The potential of nanocomposite material was explored towards the adsorption of Pb(II) an...
Article
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Almost 30 long years have been passed since the World's worst disastrous industrial tragedy at Bhopal but its havoc still upsets our memories and pains our heart. This article gives a detailed overview on the possible causes of the accident and state of affairs of the city on the ill-fated night of 2 December 1984. Since the article is incorporated...
Article
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In this study, L-cystein-modified montmorillonite (MMT)-immobilized sodium alginate biopolymer-based nanocomposite was synthesized using solution casting method. The synthesized material was characterized by X-ray diffraction, FTIR, TGA-DTG, scanning electron microscopy and transmission electron microscopy techniques. The material was further evalu...
Article
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In this paper, iron oxide impregnated with dextrin (Dex-Fe3O4) nanocomposite was synthesized by simple one-step hydrothermal chemical precipitation reaction. The nanocomposite was characterized by XRD, FT-IR, TGA, DTG, SEM with EDX and TEM techniques. The material was further explored as an adsorbent for the removal of Cr(VI) ions from its aqueous...
Chapter
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This chapter outlines the role of Hen Feather as a potential adsorbent for the eradication of the hazardous azo class of dyes from wastewater. It first describes the imperative need for clean water for mankind and the importance of the adsorption technique over other physicochemical methods in the removal of hazardous pollutants from water. In the...
Article
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Chromium is one of the hazardous pollutants in industrial effluents. The aim of this research is to investigate feasibility of using waste eggshells for the removal of Cr(VI) ions from its aqueous solutions. Characterization of crushed and sieved eggshell have been carried out using scanning electron microscope, Fourier transform infrared spectrosc...
Article
Full-text available
Removal and recovery of a hazardous halogen-containing dye Eosin Yellow were investigated using Bottom Ash as adsorbent. During the studies various essential factors influencing the adsorption, like sieve size of adsorbent, adsorbate concentration, amount of adsorbent, pH of the solution, contact time, and temperature have been monitored. Attempts...
Article
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Explicit Nernst–Planck approximation is used to study the kinetics of H(I)-metal ion-exchange processes for ions having different effective diffusion coefficients, that is, for non-isotopic exchange process. Kinetic studies of four heavy metal ions (Cd2+, Co2+, Cu2+, and Pb2+) of environmental importance on the surface of acetonitrile stannic(IV) s...
Article
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Hibiscus cannabinus fiber was modified by graft copolymerization with vinyl monomer acrylic acid (AAc) and binary mixture of AAc and acrylamide (AAm). The different reaction parameters were optimized to get maximum grafting yield. The optimized percent grafting for AAc and binary mixture (AAc + AAm) was found to be 93.6 and 74.6%, respectively, at...
Article
Full-text available
The adsorption of dye Bismark Brown R has been investigated at 30, 40 and 50 °C temperatures. Various essential factors affecting the extent of adsorption like, adsorbent dosage, dye concentration, pH and contact time have been analyzed. On the basis of Langmuir adsorption isotherms feasibility of the ongoing adsorption has been ascertained and the...
Article
Full-text available
Removal of an anionic azo dye Congo red has been carried out from its aqueous solutions by using hen feathers as potential adsorbent. In the present paper, detailed chemical and physical analysis of hen feathers and its characterization through scanning electron microscope (SEM), X-ray diffractophotometer (XRD), and (infra red) IR measurements has...
Article
Full-text available
The main focus of this research is to develop a systematic method for the removal of a hazardous dye Eosin Yellow from its aqueous solutions by adsorption process. Eosin Yellow is an anionic halogen containing dye which belongs to Flouorescein class. During the batch studies it has been found that Eosin Yellow showed a decrease in adsorption over D...
Article
Full-text available
The discharge of heavy metal pollutants, particularly Cr(VI) ions emerging out from the industries into water, has become a serious concern. In the present study, feasibility of eggshell membrane has been tested for the removal of Cr(VI) ions from its aqueous solutions. The membrane was separated from the eggshells, dried at 40°C for about 3 h and...
Article
Full-text available
The aim of the present research is to develop economic, fast, and versatile method for the removal of toxic organic pollutant phenol from wastewater using eggshell. The batch experiments are conducted to evaluate the effect of pH, phenol concentration, dosage of adsorbent, and contact time on the removal of phenol. The paper includes in-depth kinet...
Article
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Rose Bengal is a halogen-containing fluorescein water soluble dye, which is widely used for medical purposes. The dye, however, is highly toxic and can cause irritation, itching etc. to the human skin and eyes. It is therefore considered worthwhile to develop a systematic method for the removal of Rose Bengal by adsorption processes. The present in...
Article
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Unlabelled: PURPOSE AND AIM: Amido Black 10B is an azo dye with very high toxicity. It is now established that the dye damages the reparatory system of humans and also causes skin and eye irritations. It is therefore considered worthwhile to develop a systematic procedure to eradicate Amido Black 10B from its aqueous solution using a waste materia...
Article
PURPOSE AND AIM: Removal of an anionic azo dye Brilliant Yellow has been carried out from its aqueous solutions by using hen feathers as potential adsorbent. Hen feathers procured from local poultry were cut, washed, and activated. Detailed chemical and physical analysis of hen feathers and its characterization through scanning electron microscopy,...
Article
Full-text available
Metalloproteinases (MP) are a family of proteases which play a major role not only in normal physiological processes like normal turnover of extracellular matrix macromolecules but also in diseased conditions such as arthritis, cancer, brain disorders, skeletal dysplasias, coronary artery and heart disease. Members of the matrix metalloproteinases...
Article
The electrochemical oxidation of uric acid has been studied in 0.50 M NaCl and phosphate buffers of ionic strength 0.05 to 0.5 M. The kinetics of the decay of UV-absorbing intermediate generated during electrooxidation of uric acid (7,9-dihydro-1H-purine-2,6,8-(3H)-trione) has also been studied. On the basis of pseudo first order rate constants obs...
Article
Camptothecin is an essential precursor of semisynthetic chemotherapeutic agents for cancers throughout the world. In spite of the rapid growth of market demand, camptothecin raw material is still harvested by extraction from Camptothecin acuminata and Nothapodytesfoetida. But still its total synthesis is not cost-effective. However, these natural r...
Article
Full-text available
Attempts have been made to remove toxic dye Yellow ME7GL using electrochemical and adsorption techniques. Both techniques are capable of reducing toxicity and producing clean water for reuse. The electrochemical removal is carried out at platinum electrode and cyclic voltammograms of the dye solutions have been recorded at different pH, concentrati...
Article
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Bottom ash and de-oiled soya have been evaluated as potential adsorbents for the removal of a water soluble azo dye. The characterization of the adsorbents has been performed using infrared spectroscopy and differential thermal analysis. A batch of adsorption method has been adopted for studying the effects of pH, adsorbate concentration, and parti...
Article
Polyethylene terephthalate (PET) waste flakes were degraded with aqueous methylamine and aqueous ammonia, respectively at room temperature in the presence and absence of quaternary ammonium salt as a catalyst for different periods of time. The aminolysed and ammonolysed PET samples were investigated for the surface morphology with the help of scann...
Article
This article describes the use of bottom ash [a power plant waste] and de-oiled soya [an agricultural waste] as effective adsorbents for the removal of a hazardous azo dye [Chrysoidine Y] from its aqueous solutions. This paper presents an experimental study and discussion of the adsorption characteristics of this dye on the two adsorbents. The adso...
Article
Full-text available
The adsorption performance of the materials bottom ash (BA), a power plant waste, and de-oiled soya (DOS), a soya bean industry waste for removal of crystal violet dye, has been investigated through batch and column experiments. Batch studies have been performed to describe the impact of parameters such as pH, amount of adsorbent, dye concentration...
Article
The MMPs and ADAMs are cell surface proteases which belong to metalloprotease family. They play an important role in skin aging, skin disorders, anticancer therapy and other physiological disorders. Thus there arises the need to understand the relationships among various parameters of these proteins for prediction of their classes, structures and f...
Article
Full-text available
Dyes are usually present in trace quantities in the treated effluents of many industries. The effectiveness of adsorption for dye removal from wastewaters has made it an ideal alternative to other expensive treatment methods. This study investigates the potential use of coconut husk (CH), for the removal of Quinoline Yellow dye from wastewater and...
Article
An agricultural industry waste, deoiled soya, and a waste of thermal power plants, bottom ash, have been tested for their adsorption ability to remove Light Green SF (Yellowish) dye from wastewaters. The effects of various essential experimental parameters (dye concentration, mesh size, temperature, and pH) have been investigated. A study of four i...
Article
Bottom ash, a waste of thermal power plants, and deoiled soya, an agricultural waste material, were employed for successful removal and recovery of hazardous phenol red dye from wastewaters. The adsorption characteristics and operational parameters were determined by monitoring different parameters such as effect of pH, effect of concentration of t...