IIUM Repository

Dr Erna Normaya Abdullah

Lecturer

Department of Chemistry

IIUM

Chemosensor, DFT, Corrosion Inhibitor, Synthetic

Profile Picture

Latest Additions

  1. Ismail, Hakimah and Ahmad, Mohammad Norazmi and Abdullah, Erna Normaya (2021) A highly sensitive and selective thiosemicarbazone chemosensor for detection of ­Co2+ in aqueous environments using RSM and TD/DFT approaches. Scientific Reports-Nature, 11. pp. 1-12. ISSN 2045-2322
  2. Mohamad Alwi, Muhammad Ammar and Ahmad, Mohammad Norazmi and Abdullah, Erna Normaya (2020) Statistical analysis study on optimization of 4-acetylpyridine thiosemicarbazone as corrrosion inhibitor. In: Virtual Symposium on Sciences 2020 (VSoS 2020), 2nd - 3rd November 2020, UiTM, Negeri Sembilan. (Unpublished)
  3. Farah, Hafidzah and Mohd, Bijarimi and Alhadadi, Waleed and Salleh, Suriyati and Ahmad, Mohammad Norazmi and Abdullah, Erna Normaya (2021) Statistical study on the interaction factors of polypropylene-graft-maleic anhydride (PP-g-MA) with graphene nanoplatelet (GNP) at various Poly(Lactic Acid)/Polypropylene (PLA/PP) blends ratio. Indonesian Journal of Chemistry, 21 (1). pp. 234-242. ISSN 1411-9420 E-ISSN 2460-1578
  4. Abdullah, Erna Normaya and Baharu, Nurul Amirah and Ahmad, Mohammad Norazmi (2020) Synthesis of thiosemicarbazone-based colorimetric chemosensor for Cu2+ ions’ recognition in aqueous medium: Experimental and theoretical studies. Journal Of Molecular Structure, 1212. pp. 1-10. ISSN 0022-2860
  5. Ismail, Hakimah and Ahmad, Mohammad Norazmi and Abdullah, Erna Normaya (2019) Chemosensor development for cobalt ion recognition using 2-acetylpyrazine thiosemicarbazone: experimental and theoretical approach. In: 32nd International Conference of Analytical Sciences (SKAM32), 14-16 August 2019, Port Dickson. (Unpublished)
  6. Abdullah, Erna Normaya and Ahmad Hamdan, Mohamad Faiqwan and Ahmad, Mohammad Norazmi and Yunus, Kamaruzzaman and Ku Bulat, Ku Halim (2019) Preliminary study on developing 1,5-Diphenylcarbozone as a chemosensor againts Hg2+ ions recognition in aqueous media. In: International Conference on Clean Water, Air and Soil (CLEANWAS 2019), 26th-28th July 2019, Hanoi, Vietnam. (Unpublished)
  7. Abdullah, Erna Normaya and Ahmad Hamdan, Mohamad Faiqwan and Ahmad, Mohammad Norazmi and Abdul Aziz, Yang Farina and Ku Bulat, Ku Halim (2020) DFT/TD-DFT study on development and optimization of 1- anilino-3- phenyliminourea as a colorimetric chemosensor for Hg2+ recognition in aqueous medium. Journal of Molecular Structure, 1206. pp. 1-7. ISSN 0022-2860 E-ISSN 1872-8014
  8. Mohd Azriyuddin, Fatin Nadzirah and Ahmad, Mohammad Norazmi and Omar, Muhammad Nor and Abdullah, Erna Normaya (2019) The effect of vanillin on the oxidative stability of palm olein. Malaysian Journal Of Analytical Sciences, 23 (5). pp. 861-869. ISSN 1394-2506
  9. Abdullah, Erna Normaya and Ahmad, Mohammad Norazmi and Omar, Muhammad Nor and Abdul Aziz, Yang Farina (2018) Density functional theory studies on synthesis, chracterization and antibacterial activity of heteroaromatic substitution on 4n-thiosemicarbazone. Research Report. UNSPECIFIED. (Unpublished)
  10. Abdullah, Erna Normaya and Yunoh, Ros Syuhada and Ismail, Hakimah and Ahmad, Mohammad Norazmi and Yarmo, Mohd Ambar and Ku Bulat, Ku Halim (2019) Chemosensor development of Cu2+ recognition using 1,5-diphenylthiocarbazone: optimization, COSMO-RS and DFT studies. Journal of The Brazilian Chemical Society, 30 (9). pp. 1850-1859. ISSN 0103-5053 E-ISSN 1678-4790
  11. Abdullah, Erna Normaya and Mad Saad, Muhammad Fazli and Ahmad, Mohammad Norazmi and Ku Bulat, Ku Halim (2019) COSMO-RS and DFT studies on development and optimization of quercetin as a chemosensor for Fe3þ recognition in aqueous medium. Journal Of Molecular Structure, 1184. pp. 538-545. ISSN 0022-2860
  12. Abdullah, Erna Normaya and Abdul Aziz, Yang Farina and Abd Halim, Siti Nadiah and Tiekink, Edward R.T (2011) 3-(2-Hydroxyphenyl)-1-{(E)-[1-(pyrazin- 2-yl)ethylidene]amino}thiourea monohydrate. Acta Crystallographica Section E: Crystallographic Communications, 67 (4). o943-o944. ISSN 2056-9890
  13. Abdullah, Erna Normaya and Abdul Aziz, Yang Farina (2013) Density functional theory studies on vibrational spectra (E)-N-(4-carboxylphenyl)-2-(1-(pyrazin-2- yl)ethylidene) hydrazinecarbothioamide. Malaysia Journal of Chemistry, 15 (1). 033-040. ISSN 1511-2292 E-ISSN 2550-1658
  14. Habdul Latif, Noor Syafiqah and Sheikh Mohd Ghazali, Sheikh Ahmad Izaddin and Abdullah, Erna Normaya and Lahuri, Azizul Hakim and Ngatiman, Mohammad Fadzlee and Dzulkifli, Nur Nadia (2018) Synthesis, structural, density functional theory, and X-ray diffraction study Of ZN(II) N-isopropylbenzyldithiocarbamate: anti-corrosion screening in acid media. Indonesia Journal of Chemistry, 18 (4). pp. 755-765. ISSN 1411-9420 E-ISSN 2460-1578
  15. Baharu, Nurul Amirah and Ahmad, Mohammad Norazmi and Abdullah, Erna Normaya (2018) Chemosensor development using 2-acetylpyrrole thiosemicarbazone for cu2+ ion recognition in aqueous medium: experimental and theoretical studies. In: International Conference of Analytical Sciences (SKAM31), 17th-19th August 2018, Kuantan, Pahang.
  16. Ismail, Nur Hakimah and Yunoh, Ros Shuhada and Ahmad, Mohammad Norazmi and Abdullah, Erna Normaya (2018) Chemosensor development of cu2+ recognition using 1,5-diphenylcarbazone: optimization, cosmo-RS and DFT studies. In: International Conference of Analytical Sciences (SKAM31), 17th-19th August 2018, Kuantan, Pahang.
  17. Abdullah, Erna Normaya and Ahmad, Mohammad Norazmi and Abdul Aziz, Yang Farina and Ku Bulat, Ku Halim (2018) Synthesis, characterization and preliminary study on acetylpyrazine N(4)butylthiosemicarbazone as a potential CDK2 inhibitor combined with DFT calculations. Journal of Brazilian Chemical Society, 29 (10). pp. 2197-2206. ISSN 0103-5053 E-ISSN 1678-4790

Most Viewed Items

Item titleViews
1Synthesis, characterization and preliminary study on acetylpyrazine N(4)butylthiosemicarbazone as a potential CDK2 inhibitor combined with DFT calculations726
2Chemosensor development using 2-acetylpyrrole thiosemicarbazone for cu2+ ion recognition in aqueous medium: experimental and theoretical studies566
3Chemosensor development of cu2+ recognition using 1,5-diphenylcarbazone: optimization, cosmo-RS and DFT studies546
4Synthesis, structural, density functional theory, and X-ray diffraction study Of ZN(II) N-isopropylbenzyldithiocarbamate: anti-corrosion screening in acid media536
5Chemosensor development of Cu2+ recognition using 1,5-diphenylthiocarbazone: optimization, COSMO-RS and DFT studies524
6COSMO-RS and DFT studies on development and optimization of quercetin as a chemosensor for Fe3þ recognition in aqueous medium515
7The effect of vanillin on the oxidative stability of palm olein503
8Density functional theory studies on vibrational spectra (E)-N-(4-carboxylphenyl)-2-(1-(pyrazin-2- yl)ethylidene) hydrazinecarbothioamide494
93-(2-Hydroxyphenyl)-1-{(E)-[1-(pyrazin- 2-yl)ethylidene]amino}thiourea monohydrate465
10DFT/TD-DFT study on development and optimization of 1- anilino-3- phenyliminourea as a colorimetric chemosensor for Hg2+ recognition in aqueous medium376
11Preliminary study on developing 1,5-Diphenylcarbozone as a chemosensor againts Hg2+ ions recognition in aqueous media348
12Synthesis of thiosemicarbazone-based colorimetric chemosensor for Cu2+ ions’ recognition in aqueous medium: Experimental and theoretical studies302
13Density functional theory studies on synthesis, chracterization and antibacterial activity of heteroaromatic substitution on 4n-thiosemicarbazone301
14Chemosensor development for cobalt ion recognition using 2-acetylpyrazine thiosemicarbazone: experimental and theoretical approach285
15Statistical study on the interaction factors of polypropylene-graft-maleic anhydride (PP-g-MA) with graphene nanoplatelet (GNP) at various Poly(Lactic Acid)/Polypropylene (PLA/PP) blends ratio223
16Statistical analysis study on optimization of 4-acetylpyridine thiosemicarbazone as corrrosion inhibitor150
17A highly sensitive and selective thiosemicarbazone chemosensor for detection of ­Co2+ in aqueous environments using RSM and TD/DFT approaches29