-
1641
Effect of Cooling Rates on Shape and Crystal Size Distributions of Mefenamic Acid Polymorph in Ethyl Acetate
Published 2017“…The crystals produced were analysed using optical microscopy and Fourier transform infrared spectroscopy (FTIR). It was found that the crystals produced at different cooling rates were needle-like and exhibit polymorphic form type I. …”
Get full text
Conference or Workshop Item -
1642
Extraction, Radical Scavenging Activities and Physicochemical Fngerprints of Black Pepper (Piper Nigrum) Extract
Published 2017“…However, the optimum percentage inhibitions of the extracted spice oleoresins on the stable DPPH and hydrogen peroxide radicals were estimated to be 88.75 and 90.31%, respectively. Moreover, the Fourier transform infrared (FTIR) analysis confirmed the presence of unsaturated amide groups, which validated the antioxidant potential of the black pepper extract. …”
Get full text
Article -
1643
Highly Active and Reusable Kenaf Cellulose Supported Bio-Poly(hydroxamic acid) Functionalized Copper Catalysts for C–N Bond Formation Reactions
Published 2017“…They were characterized by Fourier transform infrared spectroscopy (FT-IR), field emission scanning microscopy (FESEM), high resolution transmission electron microscopy (HRTEM), inductively coupled plasma atomic emission spectrometry (ICP-AES), UV-vis spectroscopy (UV), and X-ray photoelectron spectroscopy (XPS). …”
Get full text
Article -
1644
Extraction, Radical Scavenging Activities and Physicochemical Fingerprints of Black Pepper (Piper nigrum) Extract
Published 2017“…However, the optimum percentage inhibitions of the extracted spice oleoresins on the stable DPPH and hydrogen peroxide radicals were estimated to be 88.75 and 90.31%, respectively. Moreover, the Fourier transform infrared (FTIR) analysis confirmed the presence of unsaturated amide groups, which validated the antioxidant potential of the black pepper extract. …”
Get full text
Article -
1645
Antimicrobial activities of silver nanoparticles bio-synthesized from diatom Amphora sp.
Published 2017“…The physio-chemical properties of synthesized silver nanoparticles were studied using analytical techniques such as UV-Vis spectrophotometer, Field Emission Scanning Electron Microscopy (FESEM), Energy-Dispersive X-ray Spectroscopy (EDX) and Fourier Transform Infrared Spectroscopy (FTIR) and X-ray Powder Diffraction (XRD). …”
Get full text
Article -
1646
Analysis of bioactive compounds for Jasmine flower via Gas chromatography-mass spectrometry (GC-MS)
Published 2018“…Functional group analysis was carried out on the volatile oil obtained through MAHD by using Fourier Transform Infrared Spectroscopy (FTIR). The surface morphologies of untreated dried powdered Jasmine flower (i.e. raw powdered jasmine flower without soaking into methanol solution prior to extraction) and pre-treated powdered Jasmine flower (soaked into methanol solution for 1 hr) were investigated through SEM analysis.…”
Get full text
Article -
1647
Microwave-assisted extraction of Vernonia amygdalina leaf for optimal recovery of total phenolic content
Published 2018“…Furthermore, the efficiency of MAE was compared with Soxhlet, it was observed that the yields, antioxidant activity and functional groups from Fourier transform infrared (FTIR) analysis was higher than that of the Soxhlet extract.…”
Get full text
Article -
1648
Size-dependent charge storage of graphene flakes
Published 2018“…The oxygen-related functionalities on rGO samples are quantified by Fourier transform infrared spectroscopy and reveal that higher amount of unreduced oxygen functionalities can be found on rGO with smaller flake size. …”
Get full text
Get full text
Conference or Workshop Item -
1649
Palm kernel meal as a melamine urea formaldehyde adhesive filler for plywood applications
Published 2018“…The physico-chemical interaction between the wood, resin and filler was investigated using Fourier transform infrared spectroscopy (FTIR) and the interactions among C˭O groups on PKM and N‒H, O‒H groups on wood and MUF were identified. …”
Get full text
Article -
1650
Synthesis of hydroxyapatite from cockle shell wastes
Published 2018“…All samples have undergone physicochemical analyses to determine their crystallinity, purity, functional group, surface morphology and elemental compounds using X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscope (SEM) and Electron Dispersive X-ray Analysis (EDX). …”
Get full text
Conference or Workshop Item -
1651
Degradability studies of PLA nanocomposites under controlled water sorption and soil burial conditions
Published 2018“…The treated CNTs were surface modified by using acid treatment and characterisations of composites were done by using Fourier Transform Infra-Red (FTIR) and UV-Vis. FTIR spectra and UV-Vis peak confirmed the surface modification of CNTs. …”
Get full text
Conference or Workshop Item -
1652
Activated carbon (AC) production from spent mushroom substrate (SMS) from frozen food industry
Published 2016“…In order to characterize the AC produce, the Surface area analyzer (BET), Scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR), and thermogravimetric analyzer (TGA) is use to analyze the AC’s properties. …”
Get full text
Undergraduates Project Papers -
1653
Extraction and characterization of bioactive compounds in Vernonia amygdalina leaf ethanolic extract comparing Soxhlet and microwave-assisted extraction techniques
Published 2019“…Furthermore, gas chromatography-mass spectroscopy (GC-MS) analysis results revealed the presence of more phytochemicals in the extract obtained through MAE compared to Soxhlet extraction technique, whereby phytol was present in a higher percentage. Fourier transform infrared spectroscopy analysis confirmed the presence of phytochemicals in the extracts. …”
Get full text
Article -
1654
Effect of Aging Time in the Synthesis of Biogenic Hydroxyapatite Derived from Cockle Shell
Published 2019“…All samples have undergone physicochemical analyses to determine their phases, crystallinity, purity, functional group, surface morphology and elemental analysis using X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscope (SEM) and Electron Dispersive X-ray Analysis (EDX). …”
Get full text
Article -
1655
Optimization of aceclofenac proniosomes by using different carriers, Part 1 : development and characterization
Published 2019“…Prepared proniosomes characterized by differential scanning calorimetry (DSC) analysis and Fourier transform infrared (FTIR) analysis revealed the compatibility of the drug chosen with the ingredient added, powder X-ray diffractometry (XRD) confirmed the amorphous phase of the prepared proniosomes, and finally, the surfactant layer was observed by scanning electron microscopy (SEM). …”
Get full text
Article -
1656
Tubular carbon membrane for Hydrogen separation: Effect of Pyrolisis condition
Published 2020“…Matrimid 5218-based carbon tubular membranes were fabricated and characterized in terms of its structural morphology, chemical structure, thermal stability, and gas permeation properties by using scanning electron microscopy (SEM), Fourier transform infrared (FTIR), and pure gas permeation system, respectively. …”
Get full text
Article -
1657
Thermal treatment of tar generated during co-gasification of coconut shell and charcoal
Published 2020“…The tar samples (before and after thermal treatments) were investigated by Fourier-transform infrared spectroscopy and X-ray photoelectron spectroscopy analyses while the morphological changes were examined using a scanning electron microscope coupled with energy-dispersive X-ray analysis. …”
Get full text
Article -
1658
Pebax 1657 Nanocomposite Membranes incorporated with nanoadsorbent derived from Oil Palm Frond for CO2/CH4 Separation
Published 2020“…The morphology and the existence of active groups in the newly synthesized nanoadsorbent and nanocomposite membranes were investigated by field emission scanning electron microscopy (FESEM) and fourier transform infrared spectroscopy (FTIR), respectively. …”
Get full text
Conference or Workshop Item -
1659
Modification of diutan gum to enhance rheological properties for oil and gas application
Published 2018“…The modified-diutan gum (MDG) were characterized using Fourier transform infrared spectroscopy (FTIR), scanning electron microscope (SEM) and rheometer. …”
Get full text
Conference or Workshop Item -
1660
Investigation of impregnated commercial rice husks activated carbon with alkanolamine as carbon dioxide (CO2) adsorbent
Published 2016“…The adsorbents obtained were characterized by X-Ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) and Field Emission Scanning Electron Microscopy (FESEM). …”
Get full text
Article