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1146 articles for “Derivate”
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Green Synthesis of Biologically Active 2, 4, 5- Trisubstituted Imidazoles Catalyzed by Large Pore Zeolite H-BEA through Lophine MCRs
Abstract: 2, 4, 5-triphenyl-1(H)-imidazoles (popularly known as Lophine derivatives) are well known heterocyclic compounds and find significant diversified applications, not only in the area of medicinal chemistry as biologically active drug-like molecules, but also in the other advanced research areas, such as fluorescence labelling, biological imaging and chromospheres for non-linear optic system. In the present endeavour, a green synthesis of Lophine derivatives via multi-component reaction is carried out using benzil/benzoin, substituted …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 3, 2017 · pp. 20–36 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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Discrete and Continuous Indices
Abstract: Sum or integrals over discrete or continuous topological indices respectively. An analytic formalism is developed for the spectrum of discrete indices that can be completed into a continuum and continuous indices.Cite this ArticleSimon Davis. Discrete and Continuous Indices. Research & Reviews: Discrete Mathematical Structures. 2015; 2(2): 25–37p.
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 2, Issue 2, 2015 · pp. 25–37 Read article
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On the Fractional Calculus Operators and DefiniteResults Including N2-Function
Abstract: In this present paper, fractional Riemann-Liouville calculus operators of a new special function called N2-function is introduced given by author has been obtained. This function is a modified form of Mittag-Leffler function [1]. The author drives the results between N2-function and fractional operators. Cite this Article:Mohd. Farman Ali, Manoj Sharma, Renu Jain. On the Fractional Calculus Operators and Definite Results Including N2-Function. Research & Reviews: Discrete Mathematical Structures. 2015; 2(2): …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 2, Issue 2, 2015 · pp. 5–9 Read article
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Dirichlet Average of New Generalized M-series and Fractional Calculus
Abstract: AbstractWe know that every analytic function can be measured as a Dirichlet average and connected with fractional calculus. In this note, we set up a relation between Dirichlet average of new generalized M-series, and fractional derivative. Fractional derivative is a derivative of arbitrary order i.e. may be real, complex, integer or fractional order.Keywords: Dirichlet average new generalized M-series, fractional derivative, fractional calculus operatorsCite this ArticleManoj Sharma. Dirichlet Average of New …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 3, Issue 3, 2016 · pp. 13–16 Read article
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Fractional q-calculus of the R-Series
Abstract: AbstractIn this present paper we introduce a new special function, called as R-series given by the author. This function is a special case of H-function given by Inayat Hussain. This paper is devoted to fractional q-derivative of special function. To begin with the theorem on term by term q-fractional differentiation has been derived. Fractional q-differentiation of R-series has been obtained. Keywords and Phrases: Fractional integral and derivative operators, Fractional q-derivative, …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 4, Issue 1, 2017 · pp. 5–7 Read article
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A Review of Superchargers and Turbochargers
Abstract: In the following paper, the present state of the art technologies in increasing the power output of a vehicle is described. As during the initial stage of automobile industry progression, the scope of integrating the power devices to a vehicle is restricted up to a limited ground but now at present, numerous of devices and equipment are devised to enhance this criterion. Their main motive is to increase the power …
Published in Trends in Machine design · Vol. 4, Issue 1, 2017 · pp. 1–6 Read article
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Edible Transgenic Plant Vaccines – An Overview and Update
Abstract: Normal 0 false false false EN-IN X-NONE X-NONE Plants are used as bioreactors to express antigenic molecules to be administered as vaccines. Edible transgenic plant vaccines (ETPV) are plant materials (recombinant protein subunit vaccines), and the edible plant tissue functions as an oral vaccine. ETPV are mucosal targeted vaccines where stimulation of both systematic and mucosal immune network takes place and these diminish the utilization of conventional animal or bacterial …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 1, Issue 2, 2011 · pp. 6–19 Read article
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Aerogel Cellulose Composite–Considered at Low Cost
Abstract: This review descriptive issued as from cellulose aided fabrication to form eco-friendly aerogel. This is lightweight material to contain more than 99% air, which has been processed by multi shape in structure depending on application. Susceptibility to chain linkage to adjoin by glucoside bond, cellulose has polymerized naturally or artificially. Assay of script as from beneficiated bio-compose has utilized for amidation, etherification, silylation, urethanization, etc. Mechanical property of nanocellulose has …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 23, Issue 1, 2021 · pp. 5–15 Read article
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Additives in Edible Soy Protein Film Incorporation of Polysaccharides, Nano Polysaccharides, Vegetable Oils and Phenolic Additives in Edible Soy Protein Film
Abstract: In the last few years, the increasing consumption of petroleum-based plastic has stemmed globalconcern and interest regarding alternative bioplastics. Plant derived biopolymers have gained captivating attention owing to its ease of manufacture, availability and biodegradability. Being derived from renewable sources, films and packaging materials offer economic and greener alternative tosynthetic plastics. Soy protein isolate (SPI) is one such plant derived protein that holds significant potential for fabrication of edible films …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 25, Issue 3, 2023 · pp. 1–12 Read article
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In- silico Design of Novel Inhibitors for Benzimidazole Receptor against Cryptosporidium parvum
Abstract: Cryptosporidium parvum is an obligate, intracellular, protozoan parasite belonging to the phylum Apicomplexa. Cryptosporidium parvum is increasingly being recognized as an important pathogen causing diarrhea in children, with the highest associated morbidity and mortality, especially among children in developing countries. The highest prevalence of cryptosporidiosis has been documented in children aged 6–12 months. 3D QSAR studies were carried out on benzimidazole derivatives to identify new improved possible inhibitors. kNN-MFA methodology …
Published in Research & Reviews: A Journal of Bioinformatics · Vol. 2, Issue 2, 2015 · pp. 1–10 Read article
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Attempt on Hydrolysis of Larval Stages of the Black-Soldier-Fly (BSF) (Hermetia illucens) for the Analysis of Utilitarian Properties
Abstract: The enzyme involved hydrolysis is dealing with disintegration of the complex compounds through utilization of enzymes (or the source of enzymes) followed by the reaction with water. The present attempt is dealing with analysis of influence of chemical protein- extraction reaction, and hydrolysis through the use of enzymes (Alcalase, Papain and Pepsin) on the functional-properties, activity of antioxidation and composition of amino-acids of the protein contents of black soldier fly …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 12, Issue 1, 2024 · pp. 1–14 Read article
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Thiazolidinone and it’s Antibacterial Activity: A Reveiw
Abstract: Heterocyclic are one of the most important compounds in organic chemistry. Thiazolidinoneand its derivatives are the most important heterocyclic compounds, which are common and integral feature of a variety of natural products and pharmaceutical agents. Thiazolidinone is a cyclic amide formally derived from Thiazolidinone by replacing the Methylene group at position two with a carbonyl group, having various biological activities. Thiazolidinone are the new class of antimicrobial agents with activity …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 4, Issue 3, 2017 · pp. 1–5 Read article
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Domino Reaction for the Synthesis of Nitroolefin Heterocyclic Compound Via Thiazole Formation Followed by Claisen Rearrangement
Abstract: The Baylis-Hillman adducts derived from nitroolefins have been conveniently transformed into Claisen rearrangement. These substances, which include benzothiazole moiety, are very biologically reactive substances. This novel nitro derivative of 2-((E)-2-nitro-3-phenylallyloxy)-3-ethoxybenzaldehyde was simply treated with mole percentage of 2-(2-(2-aminophenyl) disulfanyl) benzenamine in melt reactive condition. Hence this novel 2-(benzo[d]thiazol-2-yl)-6-ethoxy-4-((E)-2-nitro-3-phenylallyl)phenol core unit compounds was very intrusting and new opportunities for the preparation of closely related to the different [3,3] sigmatropic rearrangements related …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 14, Issue 4, 2023 · pp. 18–22 Read article
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Diglycidyl Ether of Bisphenol A (DGEBA) Based Epoxy Sizing Agent Induces Surface Polarity in Carbon Fibers†
Abstract: Determination of the chemical structure and composition of the sizing agent is a challenge as its concentration is low, varying in the range from ~0.5 wt.% (for polyacrylonitrile, PAN, based carbon fibers) to ~1 wt.% (for pitch-based carbon fibers). Moreover, such a piece of knowledge is vital for designing compatible polymer matrices to prepare CFRPs for diverse applications. As a result, the sizing layer that is coated on the carbon …
Published in International Journal of Crystalline Materials · Vol. 1, Issue 2, 2024 · pp. 24–34 Read article
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Lesser-Known Metabolites Influencing Ovarian Function, Follicular Development, and Embryo Viability in Dairy Cows
Abstract: The intricate processes of ovarian function, follicular development, and embryo viability in dairy cows are tightly regulated by a complex network of metabolites. While conventional biomarkers, such as steroid hormones, amino acids, and glucose metabolites, have been extensively studied, a growing body of evidence suggests that lesser-known metabolites play pivotal roles in bovine reproductive physiology. Dairy cattle fertility is critical for maintaining optimal milk production and herd sustainability, necessitating deeper …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 15, Issue 3, 2025 · pp. 18–29 Read article
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Enhancing Energy Efficiency of Residential Buildings by Using Phase Change Biomaterials for Adaptive Thermal Envelopes
Abstract: Phase change biomaterials represent a cutting-edge solution in sustainable building design, offering a dynamic approach to thermal regulation. Derived from natural sources such as plant oils and waxes, these materials undergo reversible phase transitions, transitioning between solid and liquid states in response to changes in temperature. This unique property enables phase change biomaterials to store and release thermal energy effectively, making them highly valuable for enhancing energy efficiency and thermal …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 2, 2025 · pp. 17–25 Read article
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Gut Microbial Metabolites in Inflammatory, Metabolic, and Neurologic Disorders.
Abstract: The human gut microbiota transforms dietary and hostderived substrates into a diverse array of metabolites—including shortchain fatty acids (SCFAs), hydrogen sulfide (H₂S), bile acid derivatives, indoles, trimethylamine Noxide (TMAO), branchedchain amino acid (BCAA) derivatives, and lipopolysaccharide (LPS)—that act as key signaling mediators along epithelial, immune, endocrine, and neural axes. These metabolites regulate barrier integrity, energy homeostasis, inflammation, and gut–brain communication and are increasingly implicated in the pathogenesis of inflammatory bowel …
Published in Emerging Trends in Metabolites · Vol. 3, Issue 1, 2026 · pp. 58–64 Read article
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An Analytical Study on Learning Difficulties in Estimation Theory Among Undergraduate Engineering Students
Abstract: Estimation Theory is a critical mathematical foundation for all engineering disciplines, enabling learners to model uncertainty, analyse signals, and derive optimal estimators. However, undergraduate students frequently struggle with its abstract properties, complex derivations, and prerequisite statistical concepts. This study investigates the key learning difficulties faced by students across multiple engineering branches using diagnostic tests, structured questionnaires, and interviews. The findings reveal that students commonly experience challenges related to weak probability …
Published in Research & Reviews : Journal of Statistics · Vol. 15, Issue 1, 2026 · pp. 37–41 Read article
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Estimation of Semi-Blind Channel for Two-Way Relay by Using CRB: Pilot-based and Random Pilot-based
Abstract: The main purpose of semi-blind channel estimation scheme is for frequency-selective channel estimation, for multi-input and multi-output (MIMO) on relay networks, for using high bandwidth efficient use of spectrum. This scheme motivate to the low complexity of system to allow exchange information users to users by using an intermediate relay node. Because of superposition of signals at the relay node, section receiving signal at the user terminals is affected by …
Published in Current Trends in Signal Processing · Vol. 7, Issue 2, 2017 · pp. 22–31 Read article