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54 articles for “immobilization”
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Enzymatic Transesterification using Immobilized Lipase in Production of Biodiesel from Nannochloropsis Oculata
Abstract: The microalgae have higher photosynthetic efficiency, higher biomass production and faster growth compared to other energy crops. The growth of Nannochloropsis oculata was enhanced in 300mg/l of nitrogen concentration and the optimum temperature for growth is 25â—¦C. 38% of microalgal oil was extracted and then converted to biodiesel by enzymatic transesterification using an immobilized lipase (triacyl glycerol acylhydrolase, EC 3.1.1.3). In this study, expensive to produce biodiesel because of the …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 1, Issue 1, 2011 · pp. 1–7 Read article
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Immobilization of Carbonic Anhydrase: A Review
Abstract: Excessive levels of greenhouse gases (GHGs) have a devastating effect on life and the environment. Due to increasing CO2 emissions, there are several carbon sequestration techniques that have been employed such as oceanic injection, geological injection, and scrubbing and carbonation which are expensive, prone to leakage and have limited efficiency. They also require careful regulation and monitoring. Therefore, there is a need for an efficient and cost-effective technique to combat …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 6, Issue 3, 2016 · pp. 10–18 Read article
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RFID BASED PROTOTYPE DEVELOPMENT OF IMMOBILIZER FOR TWO WHEELER VEHICLE SECURITY
Abstract: An immobilizer is an electronic device fitted to an automobile which prevents the engine from running unlessthe vehicle has the proper access to it. The main use of this system is to protect the vehicle from being stealthas it deactivates the engine. The immobilizer security system is mainly seen in four wheeler vehicles. Thesame idea can be implemented for 2 wheeler vehicles which are in huge number in countries like …
Published in Journal of Control & Instrumentation · Vol. 1, Issue 1-2-3, 2011 · pp. 44–49 Read article
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Bioremediation: Removal of Pb2+, Cr3+ and Cd2+ from Aqueous Solution using Immobilized Ficus sycomorus Leaves
Abstract: Abstract This study investigated the effectiveness of immobilized Ficus sycomorus leaves (IFSL) for the removal of Pb2+, Cr3+ and Cd2+ions from waste water. The immobilization of Ficus sycomorus leaves was achieved by entrapping it within a polymeric matrix of calcium alginate. Sorption capacity (in percentage) of IFSL was determined from the decrease in the concentration of aqueous solutions of Pb2+, Cr3+ and Cd2+ with reference to the final concentrations of …
Published in Journal of Water Pollution & Purification Research · Vol. 2, Issue 3, 2015 · pp. 30–40 Read article
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Biosorption of Cd2+, Cu2+ and Pb2+ Using Immobilized Moringa oleifera Leaves
Abstract: Abstract In demonstration of the effectiveness of immobilized Moringa oleifera (M. oleifera) leaves (IMOL) for the removal of metal ions from waste water, the leaves of M. Oleifera were immobilized by entrapping them within a polymeric matrix of calcium alginate. The concentration of residual metal ions after sorption was determined using atomic absorption spectrophotometer (AAS). The result of sorption capacity of Cd2+, Cu2+ and Pb2+ were found to be 99.59±0.061, …
Published in Journal of Water Pollution & Purification Research · Vol. 3, Issue 3, 2016 · pp. 23–28 Read article
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Bioremediation: Sorption of Cu2+, Fe3+, Mn2+, and Zn2+ Using Immobilized Ficus Sycomorus Leaves Biomass
Abstract: Abstract Sorption of Fe3+, Mn2+, Zn2+, and Cu2+ by immobilized Ficus sycomorus leaves (IFSL) in aqueous solution was studied in this work. The sorption capacity (in percentage) was calculated with respect to the remnant ion concentration, determined using atomic absorption spectrophotometer (AAS) and these were obtained for the metal ions as follows; Fe3+: 99.84±0.0015%, Mn2+: 99.97±0.0005%, Zn2+: 84.10±0.0094% andCu2+: 94.32±0.0033%. Some conditions that influence the sorption capacity of metal ions …
Published in Journal of Water Pollution & Purification Research · Vol. 3, Issue 1, 2016 · pp. 6–13 Read article
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Synthesis and Immobilization of N-doped Titanium Dioxide for Degradation of Amaranth Dye under Visible Light Irradiation from Light Emitting Diodes
Abstract: Titanium dioxide photocatalysis has a great potential as green and sustainable technology to treat pollutants present in water. In the present study, N-TiO2 (nitrogen doped titanium dioxide)photocatalyst was prepared by wet method using titanium tetra iso-propoxide and NH3. The calcination of the prepared photocatalyst was performed at different temperatures. The prepared catalyst was characterized by DRS, FE SEM and TEM. The N-TiO2 was immobilized on the surface of the quartz …
Published in Emerging Trends in Chemical Engineering · Vol. 3, Issue 2, 2016 · pp. 11–17 Read article
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Perception of Family Members Regarding Psychological Needs of Immobilized Patients
Abstract: AbstractIntroduction:Family members play a vital role in providing care to their patient. They are the only one who will be with the patient every time than physicians and nurses. Care giving is a difficult job and many care givers show psychological stress and declaim in physical and mental health.Methods and material:A quantitative descriptive survey study was undertaken to assess the perception of family members regarding psychological needs of immobilized patients …
Published in Journal of Nursing Science & Practice · Vol. 10, Issue 2, 2020 · pp. 21–26 Read article
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Variation in Activity of Lipase Immobilized on Chitosan and Alginate Nanoparticles by Changing Concentration of the Preparatory Reagents
Abstract: Chitosan and alginate nanoparticles were prepared by ionic gelation method. The concentrations of each of the preparatory reagents (for chitosan: acetic acid, chitosan, sodium sulphate, glutaraldehyde and for alginate: calcium chloride, alginate, glutaraldehyde) were altered to check their consequences. Lipase was chemically crosslinked to these nanoparticles. Enzymatic assay was carried out for every alteration separately. To visualize the changes in each reagent at every step a precise table is incorporated …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 7, Issue 3, 2017 · pp. 14–22 Read article
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Effect of Sodium Alginate Concentration on Size of Yeast Immobilized Particle and on Production of Bio-ethanol in a Packed-Bed Fermenter
Abstract: Biofuels are important because they replace the petroleum fuels or fossil fuels and especially ethanol and butanol contribute greatly to the mitigation of greenhouse gases emission, provide clean and sustainable energy source and reduce the consumption of crude oil. Current ethanol production processes using agricultural crops such as sugarcane and corn are well known, i.e., biochemical pathway and thermo-chemical pathway. However, in the biochemical pathway, the reactors used for fermentation …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 2, Issue 1-3, 2012 · pp. 9–14 Read article
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Study on the Activity of Chitosan on Saccharomyces cerevisiae in Sodium Alginate Beads for Bioethanol Production from Mahula Flower
Abstract: In recent years, growing attention has been devoted to the conversion of biomass into ethanol, considered as the cleanest liquid fuel alternative to fossil fuels. Yeast cells under anaerobic conditions can be used to ferment glucose into ethanol. Many agro-industrial residues are excellent substrates for ethanol fermentation. The starter culture has a very important role to play as an intermediate to provide a desired inoculums size of viable cells for …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 3, Issue 3, 2013 · pp. 41–46 Read article
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Integrated Computational and Bio-catalytic Transformations: DFT-Guided Mechanistic Insights, Machine Learning, and Nano-biocatalyst Engineering for Sustainable Catalysis
Abstract: Computational catalysis has emerged as a transformative scientific discipline that integrates quantum chemistry, molecular modeling, machine learning, and density functional theory (DFT) to understand catalytic mechanisms and design highly efficient catalytic systems for sustainable industrial applications. The increasing global demand for environmentally responsible chemical manufacturing has accelerated research on advanced catalytic materials including transition metal catalysts, metal–organic frameworks (MOFs), homogeneous catalysts, heterogeneous systems, and bimetallic catalysts involving nickel and iron. …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 2, 2026 · pp. 36–44 Read article
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From Quantum Chemistry to Bioprocess Intensification: Advanced Computational Modeling and Enzyme-Based Catalytic Platforms for Green Chemical Transformations
Abstract: Green chemistry requires the development of sustainable catalytic systems that minimize waste generation, reduce energy consumption, and improve process efficiency. Computational chemistry and biocatalysis have emerged as complementary approaches for environmentally responsible chemical manufacturing. Computational techniques such as quantum chemistry, density functional theory (DFT), molecular dynamics, and machine learning provide mechanistic insights into catalytic reactions and support the rational design of efficient catalysts. These approaches enable the prediction of reaction …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 2, 2026 · pp. 45–52 Read article
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Hydrogel as a Drug Delivery System
Abstract: Hydrogels are hydrophilic three-dimensional, polymeric networks system. Hydrogel are hydrophilic system and capable of absorbing large amounts of aqueous solvent. It behaves like a semisolid system and generally follow non-Newtonian property. Hydrogel provide easy application, good spreadibility, non-grease, non-staining properly etc. Moreover, hydrogels can be converted to variety of forms apart depending upon the requirement including Newtonian and non-Newtonian slabs, microparticles, nanoparticles, topical gel, films etc. Hydrogels are commonly used …
Published in Trends in Drug Delivery · Vol. 10, Issue 3, 2023 · pp. 33–39 Read article
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Reduction of Heavy Metal by Biosorption
Abstract: Microorganisms can be used for treatment of metal and metalloid containing water streams in way to sequester the targeted species. The pollutants of concern include lead, chromium, mercury, uranium, selenium, zinc, arsenic, cadmium, gold, silver, copper and nickel. These toxic materials may be derived from mining operations, refining ores, sludge disposal, the processing of radioactive materials, metal plating, or the manufacture of electrical equipment, paints, alloys, batteries, pesticides or preservatives. …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 2, Issue 3, 2012 · pp. 20–24 Read article
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Effect of Cell Carrier Loading on Phenol Degradation in Association with Production of Exopolymeric Substances and Biofilm Characteristics during Start up and Steady State in a Pulsed Plate Bioreactor
Abstract: Biodegradation of phenol in a continuous pulsed plate bioreactor (PPBR) using immobilized bacterial cells has been shown to be a highly efficient process. The present paper reports the studies on the effect physical characteristics of biofilm (biofilm thickness, attached dry biomass and biofilm dry density) and chemical characteristics in terms of exopolymers viz. protein, carbohydrate and humic substance produced by Pseudomonas desmolyticum (NCIM 2112) bacterial cells immobilized on granular activated …
Published in International Journal of Pollution: Prevention & Control · Vol. 2, Issue 2, 2024 · pp. 24–30 Read article
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Nuclear Laser Techniques and the Use of Ion Exchange Resins for Radioactive Waste Removal
Abstract: The energy found in an atom's nucleus, or core, is referred to as nuclear energy. Electricity can be produced using nuclear energy, but it first needs to be released from the atom. A laser that has been nuclear pumped has been charged with energy from fission byproducts. In a nuclear reactor core, the lasing medium is housed in a tube lined with uranium-235 and exposed to strong neutron flux. The …
Published in Journal of Nuclear Engineering & Technology · Vol. 11, Issue 3, 2021 · pp. 29–32 Read article
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Understanding the Efficacy of Homoeopathic Remedies in the Treatment of Heloma (Corn)
Abstract: Heloma (Corn), is a horny induration and thickening of the stratum corneum resulting from faulty mechanics, irregular distribution of pressure, bony prominences and repetitive motion injury due to repetitive activities or problems with footwear. Thus, both the extrinsic factor and the intrinsic factor are responsible for the formation of Heloma (Corn) affecting 14-18% of people. As most people consider it as a non-threatening condition, they seek home remedial measures like …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 11, Issue 2, 2024 · pp. 23–30 Read article
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Bio-ethanol Production and Heavy Metal Lead (Pb) Removal Using Macro Algae Wolffia
Abstract: This study was aimed to evaluate the potential of using macro algae Wolffia for bio-ethanol production and for heavy metal Lead (Pb) biosorption. Macro algae Wolffia was collected locally from a pond. Pretreatment was given by using 1 and 10% sulphuric acid (H2SO4) to different batches of Wolffia. Fehling’s test was performed to check the presence of sugar. For the fermentation step Saccharomyces cerevisiae strain was used. Yield obtained using …
Published in Journal of Catalyst & Catalysis · Vol. 2, Issue 3, 2015 · pp. 23–39 Read article
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Production of Biofuel (Biodiesel and Bioethanol):An economical and environmentally feasible way to the society
Abstract: In recent years, bio fuels growers have achieved significant enhancement in crop output and processing efficiencies and today the volume of bio fuels produced in a specific planted area is several times higher than it used to be as latest methodology and technical work to increase production of biofuel. In the sense of methodology, bio fuels are sub-divided into two large categories: substitute for diesel (biodiesel) and substitute for petroleum …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 11, Issue 2, 2021 · pp. 1–10 Read article