Synthesis of a Novel Ladder Poly(azomethine-ester) Based on PET Waste Bottles by Issam, A. Mohammed, Shahabuddin, Syed, Kareem, Huda Salah, Mohamad, Sharifah, Saidur, Rahman

“…The synthesized ladder polymer was characterized by Fourier transform infrared spectroscopy (FT-IR), proton nuclear magnetic resonance spectroscopy (1H NMR), carbon nuclear magnetic resonance spectroscopy (13C NMR), elemental analysis (CHN), X-ray diffraction (XRD), differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). …”

Synthesis and characterization of polyacids from palm acid oil and sunflower oil via addition reaction by Zeimaran, E., Kadir, M.R., Nor, H.M., Kamarul, Tunku, Djordjevic, I.

“…The synthesized materials were characterized using Fourier-transform infra-red (FTIR) spectroscopy, nuclear magnetic resonance (NMR) spectroscopy, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-ToF-MS) and thermo-gravimetric analysis (TGA). …”

Synthesis, characterization and antibacterial activity of novel poly(silyl ether)s based on palm and soy oils by Mohammed, Issam Ahmed, Shahabuddin, Syed, Khanam, Rashmin, Saidur, Rahman

“…The monoglycerides were characterized by Fourier transform infrared spectrometer (FT-IR), nuclear magnetic resonance (NMR) and iodine test. The novel poly(silyl ether)s were prepared via polycondensation reaction between dimethyldichlorosilane with monoglycerides based on palm and soy oils, respectively. …”

Physicochemical properties of acylated low molecular weight chitosans by Tiew, Shu Xian, Misran, Misni

“…Both fourier transform-infrared (FT-IR) and 1H NMR (Nuclear Magnetic Resonance) analyses confirmed the successful acylation of alkyl chains onto chitosan backbone. …”

Modification of polyethylene glycol with choline chloride and evaluation of the CO2 absorption capacity of their aqueous solutions by Sadeghpour, Mahsa, Yusoff, Rozita, Aroua, Mohamed Kheireddine, Tabandeh, Mojtaba

“…The modified polymers were characterized using Fourier transform infra-red (FT-IR) spectroscopy and proton nuclear magnetic resonance (1H-NMR). CO2 absorption using the PILs was conducted at temperatures from 30 to 70°C and at pressures ranging from 10 to 13 bars. …”

Lignin Extraction from Coconut Shell Using Aprotic Ionic Liquids by Zakaria, S.M., Idris, A., Alias, Y.

“…The structure and properties of the untreated coconut shell and regenerated lignin were characterized by Fourier transform infra-red (FTIR) spectroscopy, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), X-ray diffraction (XRD) analysis, and proton nuclear magnetic resonance (1H NMR).…”

One-pot synthesis of palm oil-based polyester polyol for production of biodegradable and biocompatible polyurethane by Yeoh, F.H., Lee, Choy Sin, Kang, Yew Beng, Wong, S.F., Cheng, Sit Foon

“…The optimal polyol consisted of hydroxyl and acid values of 98.19 and 1.44 mg KOH/g sample, 95% conversion of epoxides and Mn of 5201 Da; and the chemical structure was elucidated by Fourier transform infrared, Carbon-13 nuclear magnetic resonance (NMR), and 1H-NMR. The polyol was appeared as light-yellowish liquid with cloud and pour points of 12 and 10 °C and reacted with isophorone diisocyanate to produce polyurethane with interconnected pores ranged 35–2165 μm, porosity ranged 89–90%, tensile strength ranged 59–78 kPa, and compression stress ranged 48–55 kPa. …”

Variation of sequence of genes encoding the MurMN Operon and cell wall composition in Streptococcus pneumoniae strains of different susceptibility levels to penicillin by Kumari, N., Yusof, M.Y., Ong, S.Y., Mansor, M., Le, C.F., Sekaran, S.D.

“…The cell wall was then extracted and elucidated using Fourier Transfer InfraRed (FTIR) Spectroscopy, followed by proton Nuclear Magnetic Resonance (NMR) Spectroscopy. The sequences of the murM and murN genes were shown to be highly conserved while FTIR and NMR analysis suggested a branching structure of the cell wall and also the presence of ethanolamine in the resistant strain. …”
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Preparation of Liquid Epoxidized Natural Rubber by Oxidative Degradations Using Periodic Acid, Potassium Permanganate and UV-Irradiation by Rooshenass, Pejvak, Yahya, Rosiyah, Gan, Seng Neon

“…The degraded rubbers were characterized by gel permeation chromatography (GPC), nuclear magnetic resonance (NMR) and Fourier transform infra-red spectroscopy (FTIR). …”

Synthesis and characterisation of highly branched polyisoprene: exploiting the “Strathclyde route” in anionic polymerisation by Habibu, Shehu, Sarih, Norazilawati Muhamad, Mainal, Azizah

“…The obtained branched polymers were characterised by triple detection size exclusion chromatography (SEC), proton nuclear magnetic resonance spectroscopy (1H NMR), differential scanning calorimetry (DSC) and melt rheology. …”

Influence of Crosslinking Density on Antioxidant Nanocellulose in Bio-degradation and Mechanical Properties of Nitrile Rubber Composites by Taib, Mohamad Nurul Azman Mohammad, Yehye, Wageeh Abdulhadi, Julkapli, Nurhidayatullaili Muhd

“…The interactions of gallic acid and NCC was found to occur between the -OH and -COOH groups, as revealed by Fourier Transform Infra-Red (FTIR) and Nuclear Magnetic Resonance (NMR) analysis. Crystallinity index of Aox-NCC was increased more than 11 %, recorded by X-ray diffraction (XRD) analysis. …”

Isolation and identification of Myo-Inositol Crystals from dragon fruit (Hylocereus polyrhizus) by Rebecca, O.P.S., Boyce, A.N., Somasundram, C.

“…Crystals isolated from Hylocereus polyrhizus were analyzed using four different approaches-X-ray Crystallography, High Performance Liquid Chromatography (HPLC), Liquid Chromatography Tandem Mass Spectrometry (LC-MS/ MS) and Nuclear Magnetic Resonance (NMR) and identified as myo-inositol. …”
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Influence of Hydrophobicity of Acetylated Nanocellulose on the Mechanical Performance of Nitrile Butadiene Rubber (NBR) Composites by Taib, Mohamad Nurul Azman Mohammad, Yehye, Wageeh Abdulhadi, Julkapli, Nurhidayatullaili Muhd, Hamid, Sharifah Bee Abd

“…The Fourier transform infra-red (FTIR) showed the existent of acetyl groups on surface of the NCC after treatment by existent of the peak 1736 cm-1 that attributed to carbonyl groups some peaks were observed at 1430, 1361 and 1248 cm-1 and confirmed on the acetylation process. The nuclear magnetic resonance (NMR) also show the present of acetyl groups by existent of the signal of proton methyl group at 1.90 ppm and new peaks at 5.42, 4.70 and 4.34 ppm, for all ACN samples. …”

Polymer electrolyte blends of mono-carboxylic acid-modified epoxidized natural rubber and poly(ethyleneoxide) by Karim, Wan Nurhidayah A., Ng, Jin Guan, Chan, Chin Han, Yahya, Rosiyah, Gan, Seng Neon

“…The products were characterized by Fourier transform infrared spectroscopy, nuclear magnetic resonance spectroscopy, thermal gravimetric analysis, and differential scanning calorimetry. …”

Synthesis and characterization of organotin (IV) complexes derived of 3-(dimethylamino)benzoic acid: In vitro antibacterial screening activity by Win, Yip Foo, Teoh, Siang Guan, Vikneswaran, Murugaiyah, Sivasothy, Yasodha, Ha, Sie Tiong, Ibrahim, Pazilah

“…The acid and complexes 1 - 4 obtained were characterized quantitatively using C, H, N and Sn elemental analysis as well as spectroscopic methods such as infrared (FTIR) and nuclear magnetic resonance (1H, 13C, 1H-13C HMQC & 119Sn NMR). …”

Degradation studies of amines and alkanolamines during sour gas treatment process by Islam, M.S., Yusoff, R., Ali, B.S., Islam, M.N., Chakrabarti, M.H.

“…Gas chromatography-mass spectrometry (GC-MS), ion chromatograph (IC), high performance liquid chromatography (HPLC), nuclear magnetic resonance spectroscopy (NMR) and Fourier transform infrared absorption spectrometry (FT-IR) are extensively used to identify the various degradation products. …”
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Synthesis and structural characterization of organotin (IV) complexes derived of 4- (Diethylamino) benzoic acid: Cytotoxic assay on human liver carcinoma cells (HepG2) by Win, Yip Foo, Teoh, Siang Guan, Tengku-Muhammad, Tengku Sifzizul, Ha, Sie Tiong, Sivasothy, Yasodha

“…The acid and complexes 1-4 obtained were characterized quantitatively using C, H, N and Sn elemental analysis as well as spectroscopic methods such as infrared (FTIR) and nuclear magnetic resonance (1H, 13C & 119Sn NMR). Results of the infrared and NMR spectroscopy on the acid and complexes showed that the coordination took place via oxygen atoms from the carboxylate group. …”

Inclusion of Curcumin in β-cyclodextrins as Potential Drug Delivery System: Preparation, Characterization and Its Preliminary Cytotoxicity Approaches by Ja'far, Muhammad Hasnor, Nik Mohamed Kamal, Nik Nur Syazni, Hui, Boon Yih, Kamaruzzaman, Muhammad Fahmi, Zain, Nur Nadhirah Mohamad, Yahaya, Noorfatimah, Raoov, Muggundha

“…Different methods and analysis such as Fourier Transform Infrared (FTIR) spectrometer, 1 H Nuclear Magnetic Resonance ( 1 H NMR), X-Ray Diffraction (XRD), Scanning Electron Microscope (SEM) and Thermo-gravimetric Analysis (TGA) were employed to approve the successful formation of the inclusion complex where the aromatic ring of CUR has been encapsulated by the hydrophobic cavity of β-CD. …”

Flavokawain derivative FLS induced G2/M arrest and apoptosis on breast cancer MCF-7 cell line by Ali, N.M., Akhtar, M.N., Ky, H., Lim, K.L., Abu, N., Zareen, S., Ho, W.Y., Alan-Ong, H.K., Tan, S.W., Alitheen, N.B., Ismail, J.B., Yeap, S.K., Kamarul, T.

“…Another flavokawain derivative, (E)-1-(2′-Hydroxy-4′,6′-dimethoxyphenyl)-3-(4-methylthio)phenyl)prop-2-ene-1-one (FLS) was characterized with 1H-nuclear magnetic resonance, electron-impact mas spectrometry, infrared spectroscopy, and ultraviolet (1H NMR, EI-MS, IR, and UV) spectroscopic techniques. …”

Inorganic-organic hybrid sorbent for aromatic desulfurization of hydrocarbons: Regenerative adsorption based on a charge-transfer complex by Armaghan, M., Amini, M.M., Khavasi, H.R., Zhang, W.H., Ng, S.W.

“…A selected sorbent was fully characterized via13C and 29Si cross-polarization magic-angle solid-state nuclear magnetic resonance (CP-MAS NMR), FTIR spectroscopy, powder X-ray diffraction (PXRD) and thermal analysis (TGA-DTA). …”