Showing 2,261 - 2,280 results of 4,549 for search '"Fourier transform"', query time: 0.07s Refine Results
  1. 2261

    Calcium-induced activity and folding of a repeat in toxin lipase from Antarctic Pseudomonas fluorescens strain AMS8 by Mohd Ali, Nur Shidaa, Salleh, Abu Bakar, Raja Abdul Rahman, Raja Noor Zaliha, Leow, Thean Chor, Mohamad Ali, Mohd Shukuri

    Published 2020
    “…The far-UV circular dichroism (CD) and Fourier-transform infrared (FTIR) analysis suggested that the secondary structure content was improved with the addition of CaCl2. …”
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    Article
  2. 2262

    Palm biochar-based sulphated zirconium (Zr-AC-HSO3) catalyst for methyl ester production from palm fatty acid distillate by Rashid, Umer, Soltani, Soroush, Choong, Thomas Shean Yaw, Nehdi, Imededdine Arbi, Ahmad, Junaid, Ngamcharussrivichai, Chawalit

    Published 2019
    “…The structural, physicochemical, morphological, textural, and thermal characteristics of the synthesized Zr-AC-HSO3 catalyst were characterized by X-ray diffraction (XRD), Brunauer–Emmett–Teller (BET) surface area analysis, temperature-programmed desorption of ammonia (TPD-NH3), Fourier transform infrared spectroscopy (FT-IR), and scanning electron microscopy (SEM). …”
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    Article
  3. 2263

    Investigation of the broadband microwave absorption of citric acid coated Fe3O4/PVDF composite using finite element method by Adebayo, Lawal Lanre, Soleimani, Hassan, Yahya, Noorhana, Abbas, Zulkifly, Ridwan, Ayinla Tobi, Wahaab, Fatai Adisa

    Published 2019
    “…The coated Fe3O4 nanoparticles were characterized by X-ray diffraction spectrometer (XRD), field emission scanning electron microscopy (FESEM), Fourier transform infrared spectroscopy (FTIR), and vibrating sample magnetometer (VSM). …”
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    Article
  4. 2264

    Comparison of neurotoxic effects of ethanol and endosulfan on biochemical changes of brain tissues in Javanese medaka (Oryzias javanicus) and zebrafish (Danio rerio) by Ramlan, Nurul Farhana, Abu Bakar, Noraini, Albert, Emmellie Laura, Zulkifli, Syaizwan Zahmir, Ahmad, Syahida, Azmai, Mohammad Noor Amal, Che Abdullah, Che Azurahanim, Wan Ibrahim, Wan Norhamidah

    Published 2020
    “…Identification of biochemical changes due to the neurotoxic effects of ethanol and endosulfan was assessed using Fourier Transform Infrared (FTIR) analysis. Treatment with ethanol affected the level of lipids, proteins, glycogens and nucleic acids in the brain of JM. …”
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    Article
  5. 2265

    Complex permittivity and microwave absorption properties of OPEFB fiber–polycaprolactone composites filled with recycled hematite (α-Fe2O3) nanoparticles by Mensah, Ebenezer Ekow, Abbas, Zulkifly, Azis, Raba'ah Syahidah, Ibrahim, Nor Azowa, Khamis, Ahmad Mamoun

    Published 2019
    “…The microstructural analysis of the samples included X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM) and Fourier transform infrared spectroscopy (FTIR). At 1 GHz, the real (ε′) and imaginary (ε″) parts of complex permittivity of recycled α-Fe2O3 particles, respectively, increased from 7.88 to 12.75 and 0.14 to 0.40 when the particle size was reduced from 1.73 μm to 16.2 nm. …”
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    Article
  6. 2266

    Chemically reduced graphene oxide-reinforced poly(lactic acid)/poly(ethylene glycol) nanocomposites: preparation, characterization, and applications in electromagnetic interference... by Ahmad, Ahmad Fahad, Ab. Aziz, Sidek, Abbas, Zulkifly, Obaiys, Suzan Jabbar, Matori, Khamirul Amin, Mohd Zaid, Mohd Hafiz, Raad, Haider K., Aliyu, Umar Sa'ad

    Published 2019
    “…To enhance the electromagnetic interference shielding properties of the nanocomposite, different RGO wt % were combined with the PLA/PEG blend. Using Fourier-transform infrared (FT-IR) spectroscopy, field emission scanning electron microscopy (FE-SEM) and X-ray diffraction, the structural, microstructure, and morphological properties of the polymer and the RGO/PLA/PEG nanocomposites were examined. …”
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    Article
  7. 2267

    Catalytic conversion of glycerol to value-added acetol and propylene glycol by Mohamad, Mohd Hanif

    Published 2013
    “…Optimum conditions for the conversion of glycerol to acetol was at reaction period of 3.5 hours with 2.5% catalyst concentration and 200°C reaction temperature without dilution where the 64.47% product was obtained. Fourier-Transform infrared (FTIR), gas chromatography (GC), gas chromatographymass spectroscopy (GC/MS) and nuclear magnetic resonance (NMR) were used to characterize and validate the product from the dehydration reaction of glycerol. …”
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    Thesis
  8. 2268

    Chemical composition, crystallinity, and thermal degradation of bleached and unbleached kenaf bast (Hibiscus cannabinus) pulp and nanofibers by Jonoobi, Mehdi, Harun, Jalaludin, Shakeri, Alireza, Misra, Manjusri, Oksman, Kristiina

    Published 2009
    “…The size and morphology of the obtained fibers were characterized by environmental scanning electron microscopy (ESEM) and transmission electron microscopy (TEM), and the studies showed that the isolated nanofibers from unbleached and bleached pulp had diameters between 10-90 nm, while their length was in the micrometer range. Fourier transform infrared (FTIR) spectroscopy demonstrated that the content of lignin and hemicellulose decreased in the pulping process and that lignin was almost completely removed during bleaching. …”
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    Article
  9. 2269

    Radiation-induced formation of acrylated palm oil nanoparticle using pluronic F-127 microemulsion system by Tajau, Rida, Wan Yunus, Wan Md Zin, Mohd Dahlan, Khairul Zaman, Mahmood, Mohd Hilmi, Hashim, Kamaruddin, Ismail, Maznah, Salleh, Mek Zah, Che Ismail, Rosley

    Published 2013
    “…Dynamic light scattering (DLS), Fourier Transform Infrared (FTIR) spectroscopy and Transmission Electron Microscopy (TEM) were used to characterize the size and the chemical structure of the nanoparticles. …”
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    Article
  10. 2270

    The effect of CaCO3 nanoparticles on mechanical and morphological properties of PLA/CS/CaCO3 composites by Islam, Md. Saiful, Abdullah, Abdul Halim, Mohd Idrus, Muhammad Abdul Mun'aim

    Published 2013
    “…The morphological properties of PLA/CS and PLA/CS/CaCO3 composites were investigated with scanning electron microscopy (SEM) and found to be extensively transformed with CS and CaCO3 content. Furthermore, Fourier transform infrared spectroscopy (FTIR) revealed that CaCO3 interacted between PLA and CS in the composites. …”
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    Conference or Workshop Item
  11. 2271

    Synthesis, characterization, and application of calcium methoxide as heterogeneous catalyst for trimethylolpropane ester conversion reaction by Masood, Hassan

    Published 2011
    “…Synthesized and commercial calcium methoxide were characterized by X-ray diffraction (XRD), fourier transform infra-red spectroscopy (FTIR), Brunauer-Emmett-Teller (BET) surface area measurement, particle size distribution, scanning electron microscopy (SEM),energy-dispersive X-ray spectroscopy (EDX) and thermogravimetric/simultaneous differential thermal analysis (TGA/SDTA). …”
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    Thesis
  12. 2272

    Characterisation of sequential solvent fractionasation and based-catalysed depolymerisation of treated alkali lignin by Ang, Aikfei, Ashaari, Zaidon, Bakar, Edi Suhaimi, Ibrahim, Nor A.

    Published 2015
    “…The GPC, 13Carbon-nuclear magnetic resonance, and Fourier transform infrared spectroscopy analyses confirmed that the F3 in OL exhibited the optimum yield, molecular weight distribution, and chemical structure suitable for use as feedstocks for resin synthesis.…”
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    Article
  13. 2273

    Evaluation of total acid number (TAN) of synthetic ester retrofilled oil and its correlation with FTIR spectroscopy by Othman, N. A., Zainuddin, H., Yahaya, M. S., Azis, N., Ibrahim, Z., Musni, M. A. C.

    Published 2023
    “…In this paper, the total acid number (TAN) and Fourier Transform Infrared (FTIR) spectra were measured and analyzed to assess the condition of mixed aged mineral-synthetic ester oil (AMO/SE). …”
    Conference or Workshop Item
  14. 2274

    Gamma irradiation effect on structural and optical properties of Bismuth-Boro-Tellurite glasses by A., Azuraida, Mohamed Kamari, Halimah, Che Abdullah, Che Azurahanim, Ishak, M.

    Published 2015
    “…Six glass samples, with different composition [(TeO2)0.7 (B2O3)0.3]1-x (Bi2O3)x prepared by melt quenching method were irradiated with 25kGy gamma radiation at room temperature. The Fourier Transform Infrared Spectroscopy (FTIR) was used to explore the structural bonding in the prepared glass samples due to exposure, while UV-VIS Spectrophotometer was used to evaluate the changes in the optical properties before and after irradiation. …”
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    Article
  15. 2275

    Preparation, characterization and antibacterial properties of polycaprolactone/ZnO microcomposites by Shoja, M, Shameli, K., Ahmad, M. B., Kalantari, K.

    Published 2015
    “…The properties of the PCL/ZnO-MCs characterized by the Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), transmission electron microscope (TEM), thermogravimetric analysis (TGA), scanning electron microscope (SEM). …”
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    Article
  16. 2276

    Preparation, characterization and optical properties of ionophore doped chitosan biopolymer thin film and its potential application for sensing metal ion by Yap, Wing Fen, Mat Yunus, Wan Mahmood, Yusof, Nor Azah, Ishak, Nurul Syahirah, Sheh Omar, Nur Alia, Zainudin, Afiq Azri

    Published 2015
    “…The obtained chitosan derivative was confirmed and characterized by Fourier transform infrared spectroscopy (FTIR) and ultraviolet–visible near infra-red (UV–Vis–NIR) spectroscopy. …”
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    Article
  17. 2277

    Reaction parameters for the synthesis of N,N-dimethyl fatty hydrazides from oil by Ahmad, Norashikin, Aldrin, Zafarizal, Hassan, Hazimah, Ahmad @ Ayob, Mansor, Wan Yunus, Wan Md Zin

    Published 2015
    “…The fatty hydrazides used were synthesized from refined, bleached and deodorized palm olein with hydrazine monohydrate at pH 12 by enzymatic route. Fourier transform infrared, gas chromatography and nuclear magnetic resonance (NMR) spectroscopy techniques were used to determine the chemical composition of N,N-dimethyl fatty hydrazides. …”
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    Article
  18. 2278

    Release behaviour and toxicity evaluation of levodopa from carboxylated single-walled carbon nanotubes by Tan, Julia M., Foo, Jhi Biau, Fakurazi, Sharida, Hussein, Mohd Zobir

    Published 2015
    “…The resulting nanohybrid was characterized using materials characterization methods including Fourier transform infrared spectroscopy, Raman spectroscopy, elemental analysis, UV–vis spectroscopy and scanning electron microscopy. …”
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    Article
  19. 2279

    Sonochemical synthesis of reduced graphene oxide uniformly decorated with hierarchical ZnS nanospheres and its enhanced photocatalytic activities by Golsheikh, A. Moradi, Lim, H. N., Zakaria, Rozalina, Huang, N. M.

    Published 2015
    “…The results of X-ray diffraction, Fourier-transform infrared transmission spectroscopy, X-ray photoelectron spectroscopy and Raman spectroscopy confirmed the simultaneous formation of cubic-phase ZnSNSs and the reduction of GO through the ultrasonic irradiation process. …”
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    Article
  20. 2280

    The usability of ark clam shell (Anadara granosa) as precursor to produce hydroxyapatite nanoparticles via wet chemical precipitate method by Ahmad Khiri, Mohammad Zulhasif, Matori, Khamirul Amin, Zainuddin, Norhazlin, Che Abdullah, Che Azurahanim, Nadakkavil Alassan, Zarifah, Baharuddin, Nur Fadilah, Mohd Zaid, Mohd Hafiz

    Published 2015
    “…The bonding compound appeared in the formation of HA was carried out using Fourier transform infrared spectroscopy such as biomaterials that are expected to find potential applications in orthopedic and biomedical industries.…”
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    Article