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336 articles for “Chemical compounds”
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Synthesis and Antimicrobial Activity of New Heterocyclic Compound Containing 5-Bromobenzofuran
Abstract: Several pyridine derivatives were synthesized via reaction of 2-acetyl 5-bromobenzofuran and 1,3-diphenyl-1 H-pyrazole-4-carbaldehyde 2 gave chalcone 3 which was exploited as a starting material. Structures of newly synthesized derivatives were confirmed by elemental analysis, spectral data, chemical transformation and alternative synthetic route whenever possible. Also, the newly synthesized derivatives were screened towards some microorganism.
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 11, Issue 3, 2020 · pp. 49–55 Read article
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Formation, Analysis and Characterization of Wood Pyrolysed Oil
Abstract: Pyrolysis of wood is the possible path for converting biomass to higher valuable products such as bio-oil, bio-char and bio-gas. Bio-oil or liquid bio-fuels have higher heating values, so it can store and transport more conveniently the by-products bio-char and bio-gas, which can be used to provide heat required in the process. This work is focused on the formation, analysis and characterization of bio-oil which was obtained from the mixed …
Published in Emerging Trends in Chemical Engineering · Vol. 3, Issue 2, 2016 · pp. 36–41 Read article
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Noise Sources, Exposure, health effects and Control in Iron & Steel Foundry
Abstract: Foundries are one of the oldest industries and the most basic of all metallurgical processes, with two main procedures performed in a foundry: molding and metal casting. Workers are exposed to a wide range of hazardous compounds in the workplace due to the variety of materials and procedures performed in this industry, which can lead to chronic exposure to hazardous substances (physical and chemical). Noise is a major physical hazard …
Published in Journal of Industrial Safety Engineering · Vol. 8, Issue 2, 2021 · pp. 20–28 Read article
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Solubility Enhancement of Paracetamol by Mixed Solvency Method
Abstract: The aim of this research work was to increase the solubility of poorly water soluble drugs by the mixed solvency method. This method is used for the proper pharmacological response. There are some techniques used for enhancing the solubility of poorly water soluble drugs. The recent trend possess that hydrotropic solution having high demand in industry because of some of its ideal features like easily available, having good recovery, does …
Published in Research and Reviews : Journal of Computational Biology · Vol. 8, Issue 2, 2019 · pp. 19–22 Read article
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Chemical Profiling and Antibacterial Activity of Punica Granatum L against Pathogens Causing Bovine Mastitis
Abstract: The antibacterial activity of aqueous and methanol extracts of Punica granatum L was investigated against bovine mastitis causing bacterial pathogens- Streptococcus agalactiae, Staphylococcus aureus, Streptococcus uberis, Escherichia coli, Streptococcus dysagalactiae and coagulase negative Staphylococcus aureus by agar disc diffusion method [3] isolated locally from clinical cases. The results obtained in the present study scientifically proved and suggest the use of Punica granatum for treating mastitis causing organism. The phytochemical screening …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 4, Issue 1, 2014 · pp. 12–15 Read article
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Variation in Persistent Organochlorine Pesticide Residues among Various Tissues of House Sparrow, Passer domesticus, from Tamil Nadu, India, during 2001–2006
Abstract: ABSTRACTThe present study focuses on persistent organochlorine pesticides (OCPs) on various tissues of house sparrow, Passer domesticus, from Tamil Nadu, India, between 2001 and 2006. The major compounds quantified in eggs, liver, brain and muscle tissues are hexachlorocyclohexane (HCH), 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (p,p’-DDE), dichloro-diphenyl-trichloroethane (ΣDDT), dieldrin, and heptachlor epoxide. The mean concentrations of ΣPCBs, ΣHCH and ΣDDT in eggs are 0.94 ± 0.66 μg/g and 0.35 ± 0.26 μg/g respectively on wet …
Published in Research & Reviews : Journal of Ecology · Vol. 1, Issue 3, 2012 · pp. 8–16 Read article
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Qurs-e-Kaknaj: An Effective Unani Compound Drug in Treatment of Lower Urinary Tract Symptoms (LUTS)
Abstract: Lower urinary tract symptom is a common presentation among elderly male patients and required a safe pharmacological composition to improve the quality of life in these patients. In recent years, there has been a shift in paradigm of medicine selection from synthetic to herbal medicine. Medicinal plants have been used in Unani System of Medicine since antiquity to treat ailments as rich source of therapeutic agent. Qurs-e-Kaknaj is a Unani …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 8, Issue 2, 2021 · pp. 9–17 Read article
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Studies on Extraction of Bioflavonoids from Seeds of Cucumis melo
Abstract: Cucumis melo belongs to Cucurbitaceae family. It contains high-content of bioflavonoids (quercetin and rutin) and phenolic compounds. It shows various pharmacological activities like anti-cancer, anti-oxidant, anti-ulcer, anti-diabetic, anti-helminthic. In this research, the optimization of physico-chemical parameters like effects of different solvents, solvent percentages, pH, extraction time and particle mesh size for the extraction of bioflavanoids from seeds of Cucumis melo have been studied. For the extraction of quercetin, the optimum …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 11, Issue 3, 2020 · pp. 43–48 Read article
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Phytochemical profiling in different fruit stages of Morinda citrifolia L. by GC-MS analysis
Abstract: Morinda citrifolia L., commonly known as Noni or Indian Mulberry is being widely used for its various therapeutic activities. The fruit juice of M. citrifolia is commercialized as health tonic due to neutraceutical property. In the present phytochemical screening of the ripened fruit has revealed the presence of generic phytoconstituents like alkaloids, phenols, glycosides, terpenoids, flavanoids, tannins and reducing sugars. The chemical constituents present in the methanolic extract of the …
Published in Research & Reviews : Journal of Botany · Vol. 7, Issue 1, 2018 · pp. 27–37 Read article
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Chemical Investigation on Roots of Angelica glauca High Altitude Himalayan Herb
Abstract: The essential oil of Angelica glauca collected from Kumaun Himalayan region of India was analyzed by GC-MS. It has been found rich in sesquiterpenes (52.23%), fatty acids (17.686%), diterpenes (2.771%) apart from bioactive constituents (z)-Lingustilide (4.531%) and (z)-Butylidene phthalide (11.061%). Twenty seven compounds have been identified by comparison of their MS and retention time through literature search.
Published in Research and Reviews: A Journal of Pharmacology · Vol. 2, Issue 2, 2012 · pp. 1–4 Read article
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Degradation of Building Materials by Corrosive Pollutants
Abstract: Fiber reinforced polymers (FRP) is used for the corrosion suppression of reinforced concrete structures (RCS). One of the main issues with reinforced concrete constructions is corrosion. It interacts with acids, alkalis and salts to produce disintegration in building materials components. Pollutants and effluents speed up disbanding inside and outside reinforced structures. Bio-wastes come in contact of building materials to develop miro and macro-organism and these organisms release acid substances to …
Published in International Journal of Minerals · Vol. 2, Issue 1, 2025 · pp. 15–24 Read article
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Chemical Content Variations of Hypericum perforatum Growing in Turkey during its Ontogenetic and Diurnal Cycles
Abstract: AbstractThe biological activities of Hypericum perforatum have been mainly attributed to its hypericin and hyperforin contents. The present study was conducted to determine ontogenetic, morphogenetic and diurnal variation of hypericin, pseudohypericin and hyperforin contents in H. perforatum growing in Turkey. Plants were harvested at floral budding, full flowering, fresh fruiting and mature fruiting stages three times a day. When harvested they were dissected into stem, leaf and reproductive tissues, which …
Published in Research & Reviews : Journal of Botany · Vol. 5, Issue 1, 2016 · pp. 3–12 Read article
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Chemical Composition and Antimicrobial Efficacy of Ferula persica Extracts: A Phytochemical and Bioactivity Assessment in Iraq
Abstract: The research presented in the tables focuses on analyzing the chemical content of extracts from the Ferula persica plant, a wild species in Iraq with significant medical and therapeutic importance dating back to ancient times. This study involved testing some chemical and physical properties of the alcoholic extract of the plant's aerial parts and evaluating its antimicrobial activity, specifically against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli). The …
Published in International Journal of Tropical Medicines · Vol. 2, Issue 1, 2025 · pp. 10–22 Read article
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Synthesis and Characterization of Aminophenyl (p-hydroxyphenyl)Tellurium(IV) Dichlorides
Abstract: The synthesis and characterization of a number of aminophenyl(p-hydroxyphenyl)tellurium(IV) dichlorides with the general formula RR´TeCl₂—where R stands for the p-hydroxyphenyl group and R´ denotes substituted amino aromatic moieties like aniline, N-methylaniline, and N,N-dimethylaniline—are reported in this study. Because of their distinctive structural characteristics, adaptable bonding behavior, and prospective uses in organic synthesis, catalysis, and medicinal chemistry, organotellurium compounds have garnered a lot of interest. The coordination behavior and electrical characteristics …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 2, 2026 · pp. 01–06 Read article
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Chemical Composition and Toxicity Profile of the Essential Oils of Bosqueia angolensis Ficalho and Berlinia grandiflora (Vahl) Hutch & Dalziel
Abstract: The chemical composition of the essential oils obtained from the leaves and stem bark of Bosqueia angolensis (Moraceae) and Berlinia grandiflora (Fabaceae) using hydrodistillation were analysed using Gas Chromatography–Mass Spectrometry (GC-MS) techniques. The percentage yields of the essential oils are: B. angolensis leaves (0.53%), B. angolensis stem bark (0.49%), B. grandiflora leaves (0.45%) and B. grandiflora stem bark (0.51%). A total of 10 and four compounds representing 84.3% and 96.1% …
Published in Research and Reviews: A Journal of Toxicology · Vol. 8, Issue 2, 2018 · pp. 15–20 Read article
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Preliminary Phytochemical and Pharmacognostical Investigation of Barleria buxifolia L.
Abstract: AbstractDuring the past several decades, traditional systems of medicines have become a topic of global relevance. Current estimate suggests that in many underdeveloped countries, a large proportion of the population rely heavily on traditional practitioners and local herbals to meet the primary health care needs. Under these circumstances, only a few plants of medicinal value have been successfully evaluated for their medicinal applications. Safety and efficacy data are available only …
Published in Research & Reviews : Journal of Botany · Vol. 6, Issue 1, 2017 · pp. 17–20 Read article
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Chemical Constituents and Antacid Activity of Aqueous Extract of the Leaves of Sanchezia nobilis Hook.f. from Vietnam
Abstract: From the aqueous extract of the leaves of Sanchezia nobilis Hook.f. collected in Nam Dinh province by chromatographic methods. Their chemical structures were elucidated by the measurements of melting temperature, rotation angle, mass spectrometry (MS), nuclear magnetic resonance (NMR) and compared with previously published data. These were identified as: 4',5,7-trihydroxy-3',5'-dimethoxyflavone (NX1), kaempferol-3-O-α-L-arabinofuranoside (NX2), kaempferol-3-O-β-D-glucopyranoside (NX3). These all compounds were isolated from the leaves of Sanchezia nobilis for the first time. …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 6, Issue 2, 2019 · pp. 15–22 Read article
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Comparative Analysis of Bioactive Phytochemical Profiles of Moringa Oleifera and Aegle Marmelos Grown in Bundelkhand
Abstract: A comparative analysis of the bioactive phytochemical profiles of Moringa oleifera and Aegle marmelos grown in the Bundelkhand region was conducted to explore their potential health benefits. These properties make healing plants valuable in herbal medicine, supporting various aspects of health and well-being. The study aimed to determine the differences in the concentrations of bioactive compounds such as phenolic, flavonoids, alkaloids, and vitamins C and E in the leaves and …
Published in Emerging Trends in Metabolites · Vol. 1, Issue 2, 2024 · pp. 14–24 Read article
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Comprehending Ancient Wisdom of Ayurveda: Unveiling Phytochemistry and Molecular Mechanisms of Rasayana Medicine
Abstract: Rasayana medicine is an integral part of ancient medical system of India. In Sanskrit ‘rasayana’ refers to “path of essence” and serves as one of the eight clinical specialties of classical Ayurveda. Rasayana focuses on restoring health by replenishing vital fluids of human body. According to Ayurveda, our physical body constitutes of seven dhatus called ‘Sapthdhatu’, sapth-seven and dhatu-tissues or microchannels. These channels are the pathway through which vital nutrients …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 14, Issue 3, 2025 · pp. 59–67 Read article
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Extraction of Copper from Electronic Waste (E-Waste): A Review
Abstract: The issue of electronic waste, or e-waste, is indeed a significant global concern with far-reaching environmental and health implications. As technology continues to advance and become more integrated into our daily lives, the disposal of obsolete or broken electronic devices has become a pressing issue. This waste not only contains valuable metals but also toxic substances, posing significant challenges for disposal and management. Improper disposal of e-waste is a significant …
Published in Journal of Materials & Metallurgical Engineering · Vol. 14, Issue 1, 2024 · pp. 14–27 Read article