Showing 2,141 - 2,160 results of 4,549 for search '"Fourier transform"', query time: 0.08s Refine Results
  1. 2141

    Hydrothermal synthesis of hydroxyapatite powders using response surface methodology (RSM) by Shamsi Ebrahimi, Coswald Stephen Sipaut @ Mohd Nasri, Sazmal Effendi Arshad

    Published 2021
    “…In this research, hydroxyapatite nanopowder was synthesized using a hydrothermal technique. Fourier Transform Infrared Spectroscopy (FTIR) and transmission electron microscopy (TEM) were used to investigate the chemical structure and morphology of the synthesized hydroxyapatite powder. …”
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    Article
  2. 2142

    Effects of annealing on the properties of gamma-irradiated sago starch by Lee, Jau-Shya, Jahurul Haque Akanda, Fong, Soon Loong, Siew, Chee Kiong, Ho, Ai Ling

    Published 2022
    “…Determination of amylose content, pH, carboxyl content, FTIR (Fourier Transform Infrared) intensity ratio (R1047/1022), swelling power and solubility, thermal behavior, pasting properties, and morphology were carried out. …”
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    Article
  3. 2143

    Optimisation of Cell Wall Lipids Extraction from Oil Palm using Mixture of Chloroform and Methanol via Response Surface Methodology by Arnnyitte Alexander, Jedol Dayou, Coswald Stephen Sipaut @ Mohd Nasri, Khim-Phin Chong

    Published 2021
    “…Using the projection of RSM model and validation of empirical evaluation, the results revealed that the optimum cell wall lipids yield was obtained under the following extraction conditions: 10 mL of solvent mixture (chloroform: methanol (2:1, v/v)) per gram tissue for 120 min with gentle agitation at 30°C of extraction temperature. Ultimately, Fourier Transform Spectroscopy (FTIR) analysis was carried out to validate the successful and complete extraction were achieved using the optimised condition.…”
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    Article
  4. 2144

    Application of ATR-FTIR Incorporated with Multivariate Data Analysis for Discrimination and Quantification of Urea as an Adulterant in UHT Milk by Emeline Tan, Norliza Binti Julmohammad, Wee Yin Koh, Muhamad Shirwan Abdullah Sani, Babak Rasti

    Published 2023
    “…Attenuated total reflectance–Fourier transform infrared (ATR-FTIR) spectroscopy with principal component analysis (PCA), discriminant analysis (DA), and multiple linear regression (MLR) were used for the discrimination and quantification of urea. …”
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    Article
  5. 2145

    Phase-Change-Material-Impregnated Wood for Potential Energy-Saving Building Materials by Ahmet Can, Seng Hua Lee, Petar Antov, Muhammad Aizat Abd Ghani

    Published 2023
    “…The morphology of PCMimpregnated wood was characterized through the use of scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). …”
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    Article
  6. 2146

    Development and characterization of the biodegradable film derived from eggshell and cornstarch by Joseph Merillyn Vonnie, Kobun Rovina, Rasnarisa Awatif Azhar, Nurul Huda, Kana Husna Erna, Wen Xia Ling Felicia, Md Nasir Nur’Aqilah, Nur Fatihah Abdul Halid

    Published 2022
    “…In addition, the energy dispersive X-ray (EDX) analysis indicated that the ESP particles were made of calcium carbonate and the ESP contained carbon in the graphite form. Fourier Transform Infrared Spectroscopy indicated the presence of carbonated minerals in the ESP/CS film which shows that ESP/CS film might serve as a promising adsorbent. …”
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    Article
  7. 2147

    Characterization of Kappaphycus sp. and Padina sp. as biosorbents for heavy metal ions removal by Nazirah Mingu, Nur Aini Zakaria, Mohd Hafiz Abd Majid, Mohd Sani Sarjadi

    Published 2023
    “…The main functional groups responsible for the metal bindings in seaweed were identified using Fourier transform infrared spectroscopy. It showed that carboxyl, ether, alcoholic, and amino groups participated in the ionic exchange by functional groups on the surface area of metal-treated and untreated seaweed. …”
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    Article
  8. 2148

    The Development of Biobased Paper from Pineapple Leaf Fibre by Sabrina Soloi, Yasyfin Intan Nur Baiduri Roslan

    Published 2023
    “…From the study, it was discovered that the organosolv pulping could produce fiber that can be made into paper of comparable properties to that of other conventional method. Based on the Fourier Transform Infra-Red (FTIR), the emergence of cellulose-associated peaks (3300 cm-1) and the reduced intensities of the peaks attributed to lignin (1600 cm-1 ) and hemicellulose were observed which suggests effective delignification. …”
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    Proceedings
  9. 2149

    Polynomials feature-transformed heap dimensionality reduction and stacking ensemble for spectrometry data classification by Nur Hasshima Hasbi

    Published 2023
    “…An essential part of pattern recognition is classification where it involves the categorization of labelled samples based on their data features. Fourier Transform Infrared (FTIR) spectroscopy, a well-established spectroscopic technique, have long been used to detect organic, polymeric, and even inorganic materials. …”
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    Thesis
  10. 2150

    Recovery Of Used Lubricating Oil by Glacial Acetic Acid with Two Different Activated Carbons by S. M. Anisuzzaman, Mohammad Hafiz Jumaidi

    Published 2022
    “…The recovered oil was analysed through analytical characterizations, which are Fourier transform infrared spectroscopy (FTIR), ultraviolet-visible (UV-vis) spectroscopy and atomic absorption spectrometry (AAS). …”
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  11. 2151

    Development of indicator sensing film for monitoring the freshness of chicken meat by Erna Husna Kana

    Published 2023
    “…The morphological characteristics of the indicator films have been analysed using scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM), field-emission scanning electron microscopy (FESEM), and x-ray diffraction (XRD) analysis. Fourier-transform infrared (FT-IR) spectroscopy was used to determine the chemical characterization of the film. …”
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    Thesis
  12. 2152

    Microstructural analysis on the compatibility of various dilution oils on magnetorheological grease performance by Zheng Bin Pang, Saiful Amri Mazlan, Ubaidillah Ubaidillah, Nur Azmah Nordin, Norzilawati Mohamad, Shahir Yasin Mohd Yusuf, Muntaz Hana Ahmad Khairi, Siti Aishah Abdul Aziz

    Published 2024
    “…Rheological analyses were repeated after one year in storage. Fourier-Transform Infrared (FTIR) spectroscopy and Atomic Force Microscopy (AFM) results show significant microstructural and performance deterioration of grease thickener in the sample with kerosene, which concludes that kerosene had a very significant effect on the degradation of the grease thickener. …”
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    Article
  13. 2153

    The impact of copper oxide nanoparticles reinforced nanocellulose acetate membrane on antibacterial and dye removal potency by Uun Yanuhar, Heru Suryanto, Muhamad Amin, Jibril Maulana, Mohammad Tamrin Mohamad Lal, Nico Rahman Caesar

    Published 2024
    “…The membrane was analyzed using Fourier-transform infrared spectroscopy, Xray diffraction, scanning electron microscope, antibacterial activity, and dye removal. …”
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    Article
  14. 2154

    Characterization of kappaphycus sp. and padina sp. as biosorbent for heavy metal ions removal by Nazirah Mingu, Nur Aini Zakaria, Mohd Hafiz Abd Majid, Mohd Sani Sarjadi

    Published 2021
    “…The main functional groups responsible for the metal bindings in seaweed were identified using Fourier transform infrared spectroscopy. It showed that carboxyl, ether, alcoholic, and amino groups participated in the ionic exchange by functional groups on the surface area of metal-treated and untreated seaweed. …”
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    Proceedings
  15. 2155

    Synthesis and characterization of hydrazine bridge cyclotriphosphazene derivatives with amide–Schiff base linkages attached to decyl and hydroxy terminal groups by Fatin Junaidah Mohamad Fazli, Zuhair Jamain

    Published 2024
    “…New cyclotriphosphazene derivatives featuring amide–Schiff base linkages with a hydrazine bridge and different terminal ends, such as decyl alkyl chains and hydroxy groups, were successfully synthesized and characterized. Fourier-transform infrared spectroscopy (FTIR), nuclear magnetic resonance spectroscopy (NMR), and CHN elemental analysis were used to characterize the structures of these compounds. …”
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    Article
  16. 2156

    Physicochemical properties of jatropha oil-based polyol produced by a two steps method by Sariah Saalah, Luqman Chuah Abdullah, Min Min Aung, Mek Zah Salleh, Dayang Radiah Awang Biak, Mahiran Basri, Emiliana Rose Jusoh, Suhaini Mamat

    Published 2017
    “…Finally, the JOL with a hydroxyl number of 161 mgKOH/g was further used to synthesise aqueous polyurethane dispersion, and the urethane formation was successfully monitored by Fourier Transform Infrared (FTIR).…”
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    Article
  17. 2157

    Biodegradable carbonate apatite nanoparticle as a delivery system to promote afatinib delivery for non-small cell lung cancer treatment by Maarof, Nian N. N., Abdulmalek, Emilia, Fakurazi, Sharida, Abdul Rahman, Mohd Basyaruddin

    Published 2022
    “…Powder X-ray diffraction (PXRD) confirmed that the synthesised nCA is apatite. Fourier-transform infrared spectroscopy (FTIR) results confirmed the drug loading into the nanoparticles. …”
    Article
  18. 2158

    Borotellurite bio-silica glasses doped by erbium nanoparticles: structural and thermal properties by Muhammad Hamza, Abdulkarim, Aliyu, Umar Sa’ad, Mohamed Kamari, Halimah, Geidam, Ibrahim Gana, El-Mallawany, Raouf, Nazrin, Nazrin, Baba, Muhammad Nasirudeen

    Published 2022
    “…X-ray fluorescence (XRF) proved the achievement of silicate of 98.6% quality from rice husk. Fourier transform infrared d (FTIR) results exposed the basic structural units such as TeO4, TeO3, BO4, BO3, Si-O-Si, and O-Si-O within the network. …”
    Article
  19. 2159
  20. 2160

    Characterisation of porous hydroxyapatite beads prepared from fish scale for potential bone filler applications by Zainol, Ismail, Zainurin, Mira Azah Najihah, Abu Bakar, Nurul Hidayah, Jaafar, Che Nor Aiza, Mudhafar, Mustafa

    Published 2022
    “…The FsHA beads were characterized using Fourier transform infrared spectroscopy (FTIR), x-ray diffraction (XRD) and scanning electron microscope (SEM). …”
    Article