Showing 1 - 20 results of 32 for search '"Nuclear Magnetic Resonance"', query time: 0.08s Refine Results
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    Synthesis and characterization of a new heterocyclic azo pigment by Asniza .M, Issam .A.M, Abdul Khalil .H.P.S

    Published 2011
    “…Fourier Transform Infrared Spectroscopy (FTIR), Ultraviolet/Visible (UV/Vis) Spectroscopy, and Nuclear Magnetic Resonance Spectroscopy (1H-NMR, 13C-NMR) were used to obtain the characteristics and structural features of the pigment.…”
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    Epoxidation and hydroxylation of liquid natural rubber by Nur Hanis Adila Azhar, Hamizah Md Rasid, Siti Fairus M. Yusoff

    Published 2017
    “…Microstructures of LNR and functionalized LNRs were characterized using Fourier Transform Infrared (FTIR) and Nuclear Magnetic Resonance (NMR) spectroscopies. The effect of CH3COOH, H2O2, Na2WO4, reaction time and temperature. reaction time and temperature on epoxy content were investigated. …”
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  4. 4

    Synthesis and characterisation of some diorganotin bis(N- methyl 0-nitrobenzohydroxamate) by Elhadi Elba Saad, Y. Farina, Ibrahim Baba, Abdul Hamid Othman

    Published 2003
    “…The isolated complexes were characterized by elemental analysis and spectroscopic methods such as infrared, lH and 13C nuclear magnetic resonance. Results of analysis carried out on the diorganotin(IV) complexes of N-methyl o­nitrobenzohydroxamic acid showed a 1:2 stoichiometry with general formula R2Sn[O-NO2C6P4CONCH3O]2 (R= methyl, n-butyl and phenyl). …”
    Article
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    Structural diversity, anti-fungal activity and chemosystematics of Bornean Liverwort Bazzania harpago (De Not.) Schiffner by Ng, Shean-Yeaw, Ang, Lee-Ping, Hau, Vui-Lun, Monica Suleiman, Charles Santhanaraju Vairappan, Kamada, Takashi

    Published 2021
    “…The structures of these secondary metabolites were elucidated based on spectroscopic data (Infra-Red (IR), 1D and 2D Nuclear Magnetic Resonance (NMR), and Mass Spectrum (MS)). …”
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    Article
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    A novel ruthenium-tungsten bimetallic complex dye-sensitizer for photoelectrochemical cells application by Khuzaimah Arifin, Wan Ramli Wan Daud, Mohammad Kassim

    Published 2014
    “…The ligands and metal complexes were characterized on the basis of elemental analysis as well as UV-Vis, Fourier transform infrared (FTIR) and nuclear magnetic resonance (1H and 13C NMR) spectroscopy. Cyclic voltammetry of the bimetallic complex showed multiple redox couples, in which half potentials E1/2 at 0.625, 0.05 and 0.61V were assigned as the formal redox processes of Ru(III)/Ru(II) reduction, W(IV)/W(V) and W(V)/W(VI) oxidations, respectively. …”
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    Hydrogenated liquid natural rubber for compatibility enhancement of poly (lactic acid) and natural rubber blends by Mohamad Shahrul Fizree Idris, Nurfarhana Mohd Mustaffarizan, Siti Fairus M. Yusoff

    Published 2021
    “…Fourier-transform infrared (FTIR) and nuclear magnetic resonance (NMR) spectroscopies were used to characterize the microstructure of LNR and hydrogenated liquid natural rubber (HLNR). …”
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    Modification of chitosan for preparation of poly(N-isopropylacrylamide/ O-nitrochitosan) interpenetrating polymer network by Rahman, N.A., Hanifah, S.A., Zani, A.M.N., Ahmad, A.

    Published 2015
    “…The structure of ONK was confirmed using nuclear magnetic resonance (NMR). At 10°C, the result from swelling test was found that IPN poly(NONK82) had the highest swelling percentage, 1171%, compared to poly (NIPAAm) at 467%. …”
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    Synthesis and structural characterization of 6-(N-Methyl-pyridin-2-ylcarbamoyl)-pyridine-2-carboxylic acid methyl ester isomers by Maisara Abdul Kadir, Nafisah Mansor, Uwaisulqarni Md. Osman

    Published 2017
    “…A series of monoamide isomers have been successfully synthesised and characterised using combination of common spectroscopic techniques such Fourier Transform Infrared (FT-IR), 1H and 13C Nuclear Magnetic Resonance (NMR) and Ultraviolet-visible (UV-vis). …”
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    Structural and optical properties investigation on H-bonded 1D helical self-assembly of 1,1-dibenzyl-3-(2-Bromobenzoyl)thiourea molecules for nonlinear optical application by Lee, Mark Wun Fui, Mohd Faizal Md Nasir, Mohammad Kassim

    Published 2018
    “…A benzoylthiourea molecule namely 1,1-dibenzyl-3-(2-bromobenzoyl)thiourea (2BrBT) was synthesized and characterized by C, H, N and S elemental, mass spectrometry and spectroscopic analyses (infrared, ultraviolet-visible and nuclear magnetic resonance). The 2BrBT compound crystallized in a tetragonal system with the space group P43 and exhibits an acentric crystalline packing due to the presence of intermolecular H-bonding network that forms a self-assembly of 1D helical motif. …”
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    Optimization of response surface methodology by D-optimal design for alkaline hydrolysis of crude palm kernel oil by Murad Bahadi, Mohamad Firdaus Yusoff, Jumat Salimon, Darfizzi Derawi

    Published 2020
    “…High-temperature Capillary Column Gas Chromatography (GC-FID) and Nuclear Magnetic Resonance-Fourier Transform Infrared Spectroscopy (NMR-FTIR) were employed to characterize the product. …”
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    Synthesis and physicochemical characterisation of amine functionalised SiO2 /PBI derivatives nanocomposite membrane by Amir Aiman Tahrim, Indok Nurul Hasyimah Mohd Amin

    Published 2020
    “…In order to provide a better dispersion and improving the interfacial interaction between organic/inorganic materials, polyethyleneimine was immobilised onto the surface of silica before added into poly(4,4’-diphenylether – 5, 5’-bibenzimidazole) (OPBI). Nuclear Magnetic Resonance (NMR) experiment proved the synthesised polymer while Fourier-transform infrared spectroscopy (FTIR) and EDX method used to validate the grafting of the amine derivative to the surface of silica in the polymer matrix. …”
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    Synthesis and characterization of hexahydropyrimidines and their new derivatives by Hamed, Shukkur A., Thaker, Athraa, Rudaini, Bilal Majid, Naeem, Hasanain Salah, Muntaz Abu Bakar, Siti Aishah Hasbullah

    Published 2024
    “…The products were subjected to comprehensive characterization employing rigorous analytical techniques, including FT-), 1 H-NMR (Proton Nuclear Magnetic Resonance Spectroscopy), and LC-MS (Liquid Chromatography–Mass Spectrometry). …”
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    Lubricity and tribological properties of dicarboxylic acid and oleyl alcohol based esters by Jumat Salimon, Waled Abdo Ahmed, Nadia Salih, Mohd Ambar Yarmo, Darfizzi Derawi

    Published 2015
    “…Fourier transformation infra-red (FTIR), proton and carbon nuclear magnetic resonance (1H-NMR and 13C-NMR), were used to verify the chemical structure of the diesters. …”
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    Protection of apricot Biodiesel from Thermal Degradation by using natural antioxidants of Fagopyrum tataricum (L.) Gaertn by Ullah, Faizan, Wazir, Arshad Hussain, Khattak, Adnan, Khan, Shahan Zeb, Hussain, Ishtiaq

    Published 2017
    “…Our results showed a high yield of biodiesel (97±1.092) at 65oC in the presence of 1% NaOH (%w/w oil) and methanol/oil molar ratio of 9:1 and for the time duration of 60 min. Proton nuclear magnetic resonance (1H NMR) confirmed the conversion percentage of kernel oil into biodiesel, which was further evidenced by Fourier transform infrared spectroscopy (FT-IR) and refractometer analyses. …”
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    Isolation, identification and bioassay of flavonoids from Bouea macrophylla Griff by Isna Athirah Othman, Norizan Ahmat, Mohd Ilham Adenan, Zuriati Zahari, Aisyah Salihah Kamarozaman

    Published 2022
    “…The structures of isolated compounds were characterized by using spectroscopic methods including Nuclear Magnetic Resonance (NMR), infrared (IR), and ultraviolet (UV) spectral data, as well as comparison with the data reported in the literature. …”
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    Isolation, identification and bioassay of flavonoids from Bouea macrophylla Griff by Isna Athirah Othman, Norizan Ahmat, Mohd Ilham Adenan, Zuriati Zahari, Aisyah Salihah Kamarozaman

    Published 2022
    “…The structures of isolated compounds were characterized by using spectroscopic methods including Nuclear Magnetic Resonance (NMR), infrared (IR), and ultraviolet (UV) spectral data, as well as comparison with the data reported in the literature. …”
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    Article
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    Synthesis, characterization and electrical properties of N-([4-(aminophenylethynyl)toluene]-N’-(cinnamoyl)thiourea (AECT) as single molecular conductive film by Wan M. Khairul, Nizamuddin Tukimin, Rafizah Rahamathullah

    Published 2016
    “…The compounds were successfully characterized via infrared spectroscopy (IR), UV-visible absorption spectroscopy (UV-Vis), CHNS elemental analysis, 1H and 13C nuclear magnetic resonance spectroscopy (NMR), thermogravimetric analysis (TGA) as well as cyclic voltammetry (CV) analysis. …”
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    California bearing ratio tests of enzyme-treated sedimentary residual soil show no improvement by Khan, Tanveer Ahmed, Mohd. Raihan Taha, Firoozi, Ali Asghar, Firoozi, Ali Akbar

    Published 2017
    “…These tests showed no improvement in the soil is compressive strength; in other words, samples prepared even at higher dosages did not exhibit any improvement. Nuclear magnetic resonance (NMR) spectroscopy tests were carried out on three enzymes in order to study the functional groups present in them. …”
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