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44 articles for “Chromatography”
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Chromatography (Paper and Thin-layer chromatography) Techniques and Applications
Abstract: Chromatography technique for separation of the component and a mixture on the basis of relative amount of each solute distribution between a moving fluid stream, called mobile phase and stationary phase. Chromatography is an essential biophysical technique that allows the separation, identification, and purification of the components of a mixture for qualitative and quantitative analysis. Proteins can be purified based on features such as size and shape, total charge, hydrophobic …
Published in International Journal of Analytical and Applied Chemistry · Vol. 5, Issue 2, 2019 · pp. 12–16 Read article
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High Performance Liquid Chromatography - A Separation Technique in Chemical Analysis
Abstract: High-performance liquid chromatography (HPLC) is a chromatographic technique used to split a mixture of compounds in the fields of analytical chemistry, biochemistry and industrial. The main purposes for using HPLC are for identifying, quantifying and purifying the individual components of the mixture. High-performance liquid chromatography or high-pressure liquid chromatography (HPLC) is a chromatographic method that is used to separate a mixture of compounds in analytical chemistry and biochemistry so as …
Published in International Journal of Chemical Separation Technology · Vol. 3, Issue 2, 2017 · pp. 14–17 Read article
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Chromatography for Chemical Separation: Types and Uses
Abstract: Chromatography is an analytical tool that is used for separating a variety of chemical mixtures. This technique was developed somewhere during the 1940s to 1950s. Initially, the technique had low efficiency with prolonged time of analysis and reduced detection range. Later, the technique was modified and improved to meet the demands of chemical separation technology. Chromatography is broadly categorized into analytical or preparative. Analytical chromatography is used for small sample …
Published in International Journal of Chemical Separation Technology · Vol. 2, Issue 1, 2016 · pp. 24–25 Read article
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Determination of Poly Chlorinated biphenyls in sediment of Trondheim fjord (Norway) and Lake Tana (Ethiopia) using pressurized liquid extraction (PLE) and Gas Chromatography – Mass Spectrometry (GC-MS).
Abstract: The presence of polychlorinated biphenyls (PCBs) in the environment is of great concern, as they are compounds that are hazardous to the environment and human health. Environmental investigations of PCBs can be challenging as they are found in trace amount, thus, it is important to have a reliable method for the determination of PCBs in environmental samples. In this work, an analytical method for the determination of PCBs in marine …
Published in International Journal of Environmental Chemistry · Vol. 5, Issue 2, 2019 · pp. 1–10 Read article
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Software Contributions to Analytical Instruments
Abstract: Laboratory instruments used in the analysis of the sample or preparation of raw materials are crucial in research and business. Such features as accurately measured values and data coverage. The coordination between software and these instruments has changed their roles, gaining flexibility, accuracy and efficiency of work. This paper aims to outline the various roles of software in the analytical process. Instruments, describing the progress in data obtaining, analysis, and …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 1, 2025 · pp. 1–15 Read article
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Studies on Extraction, Modelling and Purification of Quercetin from Peel of Allium cepa
Abstract: ABSTRACT Quercetin is an anti-oxidant, which very efficiently scavenges highly reactive biological species such as peroxynitrite and hydroxyl radical. Quercetin belongs to the flavonoid’s family. The present studies on optimization of physico-chemical parameters like effects of different solvents, different solvent percentages, particle size, pH and extraction time for the extraction of quercetin was studied. The highest quercetin concentration for optimized conditions was 38 µg/ml. In the soxhlet extraction process, the …
Published in International Journal of Plant Biotechnology · Vol. 4, Issue 1, 2018 · pp. 3–11 Read article
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Microbial electrosynthesis of acetate from carbon dioxide
Abstract: Carbon dioxide gas is the major gaseous effluent release from various industries such as brewing, steel, coal, mills, ceramic, glass, refineries, cement industries and power plants etc. and it is also major constituent of greenhouse gases, due to its ever-increasing hazardous impact on not only on human beings but also on environment now seeks an affordable, clean, reliable and sustainable method to proper dispose of CO2 into the useful products. …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 8, Issue 2, 2022 · pp. 1–5 Read article
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Chromatographic Techniques with Biological Applications
Abstract: Chromatography is kind of a number of purification performances distinct as differential relocation from a slight preliminary zone. Electrophoresis is another member of this group. In this case, the driving force is an electric field which exerts different forces on solutes of different ionic charge. The resistive force is the viscosity of the nonflowing solvent. The combination of these forces yields ion mobilities peculiar to each solute. Chromatography technique for …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 2, 2019 · pp. 25–29 Read article
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Isolation and Characterization of Alkaloidsfrom Ancistrocladus Heyneanus Leaves: A Phytochemical Study
Abstract: Leaves of Ancistrocladus heyneanus were collected from the forest of the Matheran hills of Maharashtra. From these leaves, alkaloids were extracted using dichloromethane, and two new monomeric Naphthyl-iso-quinoline alkaloids, Youndamine A and Ancistrocline were isolated using TLC and HPLC. HPLC/MS and NMR further identified the patient. The present study involves the collection and chemical investigation of the leaves of Ancistrocladus heyneanus, a plant species found in the forested regions of …
Published in International Journal of Analytical and Applied Chemistry · Vol. 10, Issue 2, 2024 · pp. 7–20 Read article
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High-Performance Thin-Layer Chirography Detection of Ethambutol
Abstract: Ethambutol belongs to the class of organic compounds known as 1, 2 amino alcohols. Being a medication, it is primarily used to treat tuberculosis. Its route of administration is oral. It is readily absorbed by gastrointestinal tract and 50% excreted unchanged by urine. Capacity of protein binding is 20–30%. It is antitubercular agent i.e. inhibiting the synthesis of spermidine in myobacteria also inhibits the transfer of mycolic acids into cell …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 4, Issue 1, 2018 · pp. 31–33 Read article
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Investigation of the Compatibility of Binary and Ternary Polymer Systems
Abstract: We have obtained mechanical strength of materials as a result not by synthesizing new polymers, but by using industrial polymers. We have developed a technology for obtaining new composite materials based on industrial multi-tonnage polymers of high-strength polyethylene (HSPE), polyvinyl chloride (PVC), polyurethane thermoplastic elastomer (DUTEP), butyl rubber (BR), chlorocarboxylate polyethylene (CCPE), ethylene propylene rubber (EPR). To obtain a composition from these polymers, their mixture compatibility was first determined using …
Published in International Journal of Metallurgy and Alloys · Vol. 12, Issue 1, 2026 · pp. 44–56 Read article
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Physicochemical Deterioration in Groundnut Oil Used in Frying Beans Cake and Yam
Abstract: Groundnut/peanut virgin oil (VO) was separately and used in frying beans cake (Akara/Kosai) and yam (dundu/doya) according to the Nigerian culinary method, 1 hour daily for five days. to obtain beans cake frying oil (BCFO). Using same procedure, an equal volume was used in frying yam (Isu/Doya) to obtain yam frying oil (YFO). Some physicochemical properties of the beans cake frying oil (BCFO) and yam frying oil (YFO) were daily …
Published in International Journal of Analytical and Applied Chemistry · Vol. 5, Issue 1, 2019 · pp. 29–42 Read article
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Applications of Separation of Materials
Abstract: The main aim in our work deals with the preparation of series of new bio compounds that have interesting in bio and biomedical fields, pharmaceutical drugs, medicinal biochemistry and in other fields also. All compounds have wide applications and the prepared bio compounds were prepared through many steps with various conditions like azetidine, imidazole, thiazine, oxazepine , diazepine , tetrazole. The structure of the newly synthesized compounds were monitored by …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 2, 2019 · pp. 20–24 Read article
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Extraction of Furfural (C5H4O2) from Waste Bagasse of Agricultural Source
Abstract: Furfural is an important liquid organic chemical having yellow oily nature with smell of almonds manufactured from Agro industrial wastes & residues containing carbohydrates known as pentosans and is used in refining of lubricating oils, petroleum, and diesel fuel. The raw material for the production of furfural was bagasse and chemicals such as H2SO4, water and NaCl. Bagasse is a waste product from sugar industry which is good source of …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 5, Issue 1, 2019 · pp. 47–57 Read article
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Comparative Studies on Production of Biodiesel from Waste Vegetable Oil (WVO) & Noctiluca Scintillans(NS)
Abstract: The world realized that the main source of energy from crude oil, which leads to the environmental concern and disappeared in few years. That’s how new resolutions are under study looking for alternate fuel to replace the fossil fuels. The research studies have been made in field, but none of which are on a large scale production locally in Oman. Based on scenario, Biomass (algae) can be produced to make …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 5, Issue 1, 2019 · pp. 23–36 Read article
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A Review on Outlook on Future Prospects of Nanosensors
Abstract: Nanosensors are gaining increasing attention due to the need to detect and measure chemical and physical properties in difficult to reach biological and industrial systems that are in the nano-scale region. Nanosensors have superior properties over the existing techniques such as high-performance liquid chromatography or gas chromatography, because they can provide rapid, sensitive, simple and low-cost on field detection. Research and development in the nanosensor domain is driven by specific …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 1, Issue 2, 2015 · pp. 01–07 Read article
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Establishment of a Sensitive LC-MS Method for Pharmacokinetic Evaluation of Decitabine and Cedazuridie in Rat Plasma
Abstract: A simple, rapid, and highly sensitive liquid chromatography–mass spectrometry (LC–MS) method was successfully developed and validated for the simultaneous determination of Decitabine and Cedazuridine in plasma matrices. The method demonstrated excellent linearity across the selected calibration range, with correlation coefficients (R²) consistently exceeding 0.999 for both analytes, indicating strong analytical performance. Method validation was carried out in accordance with ICH Q2(R2) and US FDA bioanalytical method validation guidelines, ensuring compliance …
Published in International Journal of Green Chemistry · Vol. 12, Issue 1, 2026 · pp. 34–42 Read article
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Microbial Production of Lipase Enzyme Using StrainCandida tropicalis and Its Application inBioscouring and Biodiesel
Abstract: The growing interest in lipase production is driven by the potential biotechnological applications. In present study lipase producing enzyme using strain Candida tropicalis isolates by using tributyrin agar plate method and confirmation on sprit blue agar which showed the positive result via a zone of hydrolysis. lipase enzyme was carried out by SSF and SMF showing more effective production SSF (25.97 ± 0.47 U/ml/min) as compared to SMF (10.27 ± …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 12, Issue 2, 2026 · pp. 1–21 Read article
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Establishment of a Sensitive LC-MS Method for Pharmacokinetic Evaluation of Decitabine and Cedazuridie in Rat Plasma
Abstract: Abstract A simple, rapid, and highly sensitive liquid chromatography–mass spectrometry (LC–MS) method was successfully developed and validated for the simultaneous determination of Decitabine and Cedazuridine in plasma matrices. The method demonstrated excellent linearity across the selected calibration range, with correlation coefficients (R²) consistently exceeding 0.999 for both analytes, indicating strong analytical performance. Method validation was carried out in accordance with ICH Q2(R2) and US FDA bioanalytical method validation guidelines, ensuring …
Published in International Journal of Green Chemistry · Vol. 12, Issue 1, 2026 · pp. 34–42 Read article
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Evaluation of Kinetic Parameters of Crude Oil Remediation Using Bio-Stimuant of Mint Leaf (Mentha piperita)
Abstract: Kinetic parameters of crude oil degradation as related to total petroleum hydrocarbon (TPH) were evaluated. The experiment was set-up using crude oil, loamy soil polluted and addition of bio-stimulant (nutrient based substance). The depletion of the pollutant was monitored within the contact time of 7 to 35 days. At intervals of 7 days samples were collected and analyzed to determine the TPH concentration at each bioreactor set-up, through subjecting the …
Published in International Journal of Chemical Engineering and Processing · Vol. 12, Issue 1, 2026 · pp. 62–71 Read article