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Alfred Antony Christy

Alfred Antony Christy

Professor

Chemistry

Faculty of Engineering and Science >

 

+47 38 14 15 02

+47 922 92 181

Kontor:
J1060 ( Universitetsveien 25, Kristiansand )

Prof. Alfred A. Christy

Field of Expertise: Infrared sSpectroscopy, Mass spectrometry, Analytical Chemistry

Forskning

Research in analytical chemistry with instrumentational techniques such as GC and infrared spectroscopy.

Undervisning

Chemistry in teacher education and bio-medical laboratory sciences

Arbeidserfaring

Nearly 40 years experience in teaching and research at University level.

Faglige interesser

teaching chemistry to teacher students

Prosjekter

Natural Science didactics

Working on projects in fatty acids in nature, mechanisms of changes in fatty acids under thermal induction.

Composition analysis of cement

Quantification of calcium hydroxide in cement mixtures

Vitenskapelige publikasjoner

  • Prathumsuwan, Thitarat; Kladsomboon, Sumana; Christy, Alfred Antony; In, Insik; Liang, Xiao; Song, Shufeng; Wang, Yao; Inprasit, Thitirat; Paoprasert, Peerasak; Sirisit, Natee (2024). Integration of jackfruit seed-derived carbon dots and electronic nose for a sensitive detection of formaldehyde vapor. Journal of Metals, Materials and Minerals. 34 (1). s 1 - 11. doi:10.55713/jmmm.v34i1.1846.
  • Christy, Alfred Antony; Sukumar, Raveena; Wije Munige, Shakya Sankalpani Gunasena (2023). Preparation and Infrared Spectroscopic Studies of Fully Deuterium Oxide Replaced Analogue of Calcium Oxalate Monohydrate. Asian Journal of Chemistry. ISSN: 0970-7077. 35 (4). s 1014 - 1018. doi:10.14233/ajchem.2023.27271.
  • Jayathilake, Madhawa; Rudra, Souman; Akhtar, Naureen; Christy, Alfred Antony (2021). Characterization and Evaluation of Hydrothermal Liquefaction Char from Alkali Lignin in Subcritical Temperatures. Materials. ISSN: 1996-1944. 14 (11). doi:10.3390/ma14113024.
  • Christy, Alfred Antony; Sivarukshy, Pathmanathan (2021). Comparison of adsorption properties of commercial silica and rice husk ash (RHA) silica: A study by NIR spectroscopy. Open Chemistry. ISSN: 2391-5420. 19 (1). s 426 - 431. doi:10.1515/chem-2021-0044.
  • Christy, Alfred Antony; Rathnaweera, Thilini Nisansala; Halanayake, Kalana Dasunpriya (2021). Desiccant Properties Comparison of Natural Bio-polymers. Journal of Applied Sciences. ISSN: 1812-5654. 21 (1). s 1 - 9. doi:10.3923/jas.2021.1.9.
  • Jayathilake, Madhawa; Rudra, Souman; Christy, Alfred Antony (2021). Effect of co-liquefaction of lignin and laminaria saccharina on optimization of bio-oil yield. Energy Conversion and Management: X. doi:10.1016/j.ecmx.2021.100151.
  • Christy, Alfred Antony; Phetcharee, Kulpriya; Hadsarung, Rungsima (2020). Characterization of Silica Extracted from Rice Husk by NIR Spectroscopy and its Application in Separation Science. Key Engineering Materials. ISSN: 1013-9826. 853s 243 - 247. doi:10.4028/www.scientific.net/KEM.853.243.
  • Shanmugaratnam, Sivagowri; Velauthapillai, Dhayalan; Christy, Alfred Antony; Ravirajan, Punniyamoorthy; Shivatharsiny, Yohi (2019). CoS2/TiO2 Nanocomposites for Hydrogen Production under UV Irradiation. Materials. ISSN: 1996-1944. 12 (23). s 1 - 9. doi:10.3390/ma12233882.
  • Hiranmartsuwan, Peraya; Siangdee, Natthaya; Christy, Alfred Antony (2019). Surface Functionality and Water adsorption studies of alpha aluminium (111) oxide nanoparticles by Near Infrared Spectroscopy. Key Engineering Materials. ISSN: 1013-9826. 803 (104). s 104 - 108. doi:10.4028/www.scientific.net/KEM.803.104.
  • Fernando, H.A.; Raveendran, Praveena; Christy, Alfred Antony; Velauthapillai, Dhayalan (2019). Water Adsorption Properties of Titanium(IV) Oxide Embedded in Multiwalled Carbon Nanotubes (CNT). Key Engineering Materials. ISSN: 1013-9826. 803s 182 - 186. doi:10.4028/www.scientific.net/KEM.803.182.
  • Christy, Alfred Antony (2018). Effect of UV Irradiation on Conjugated Linoleic Acid (9c 11t and 10t 12c). Journal of Chemical and Pharmaceutical Research. ISSN: 0975-7384. 10 (8). s 17 - 24.
  • Prathumsuwan, Thitarat; Christy, Alfred Antony; Thorstensen, Rein Terje (2018). Hydration Chemistry of Cement Studied by Near Infrared Spectroscopy. Key Engineering Materials. ISSN: 1013-9826. 765 KEMs 309 - 313. doi:10.4028/www.scientific.net/KEM.765.309.
  • Sangpongpitthaya, Tanyapa; Christy, Alfred Antony; Thorstensen, Rein Terje (2018). Quantitative Determination of Calcium Hydroxide by using Near Infrared Spectroscopy. Key Engineering Materials. ISSN: 1013-9826. 765s 300 - 304. doi:10.4028/www.scientific.net/KEM.765.300.
  • Christy, Alfred Antony (2017). An Insight into the Isomerization Chemistry of Methyl Linolenate. Journal of Chemical and Pharmaceutical Research. ISSN: 0975-7384. 9 (9). s 140 - 145.
  • Christy, Alfred Antony (2017). Changes in Unsaturated Fatty Acid Profiles of Some Vegetable Oils during Frying at Medium Frying Temperature. Journal of Chemical and Pharmaceutical Research. ISSN: 0975-7384. 9 (10). s 223 - 226.
  • Angkuratipakorn, Thamonwan; Singkhonrat, Jirada; Christy, Alfred Antony (2017). Comparison of Water Adsorption Properties of Cellulose and Cellulose Nanocrystals Studied by Near-Infrared Spectroscopy and Gravimetry. Key Engineering Materials. ISSN: 1013-9826. 735 KEMs 235 - 239. doi:10.4028/www.scientific.net/KEM.735.235.
  • Christy, Alfred Antony; Rifla, Raziq (2017). Determination Of Kinetic Parameters For The Thermally Induced Isomerization Of Methyl Linolenate. Advances in Natural and Applied Sciences. ISSN: 1995-0772. 11 (8). s 604 - 612.
  • Christy, Alfred Antony; Soonthenhut, Siraporn (2017). Water Structure in Proteins in Solid State Studied by Near Infrared Spectroscopy. Key Engineering Materials. ISSN: 1013-9826. 735 KEMs 168 - 172. doi:10.4028/www.scientific.net/KEM.735.168.
  • Christy, Alfred Antony (2016). Heat induced synthesis of linolenic acid isomers-A reference standard. Advances in Natural and Applied Sciences. ISSN: 1995-0772. 10 (17). s 19 - 22.
  • Christy, Alfred Antony; Arachchi, Subashini L. (2016). Thermally Induced Cis-Trans Isomerisation in Trilinolein Studied by Infrared Spectroscopy and Gas Chromatography. Advances in Natural and Applied Sciences. ISSN: 1995-0772. 10 (4). s 168 - 176.
  • Christy, Alfred Antony; Fernando, N.R. (2016). Thermally induced chemical reactions in castor oil studied by infrared spectroscopy and gas chromatography: Determination of activation energy for the dehydration of ricinoleic acid. Advances in Natural and Applied Sciences. ISSN: 1995-0772. 10 (13). s 146 - 156.
  • Christy, Alfred Antony (2016). Water adsorption properties of free and dehydrated β-cyclodextrin studied by near infrared spectroscopy and gravimetry. Key Engineering Materials. ISSN: 1013-9826. 689s 143 - 147. doi:10.4028/www.scientific.net/KEM.689.143.
  • Christy, Alfred Antony (2015). Adsorption and Dehydration of Water Molecules from α, β and γ Cyclodextrins-A study by TGA analysis and gravimetry. Advanced Materials Research. ISSN: 1022-6680. 1120-1121s 886 - 890. doi:10.4028/www.scientific.net/AMR.1120-1121.886.
  • Christy, Alfred Antony (2015). Insights into the Chemistry of Adsorption of Water Molecules by Cyclodextrins as Studied by Near Infrared Spectroscopy. Advances in Natural and Applied Sciences. ISSN: 1995-0772. 9 (14). s 7 - 13.
  • Christy, Alfred Antony (2015). The Adsorption of Water Molecules on Titanium (iv) Oxide Surface as Studied by Near Infrared Spectroscopy. Advances in Natural and Applied Sciences. ISSN: 1995-0772. 9 (14). s 14 - 19.
  • Christy, Alfred Antony (2014). Adsorption of alcohols onto zinc selenide (ZnSe) crystal surface. Advanced Materials Research. ISSN: 1022-6680. 1035s 277 - 280. doi:10.4028/www.scientific.net/AMR.1035.277.
  • Christy, Alfred Antony (2014). Comparison of water adsorption characteristics of oligo and polysaccharides of α-glucose STUDIED by near infrared spectroscopy. Advanced Materials Research. ISSN: 1022-6680. 1035s 476 - 482. doi:10.4028/www.scientific.net/AMR.1035.476.
  • Christy, Alfred Antony; Barth, Tanja; Francis, George William (2014). Preliminary photochemical studies of fluorene in various aqueous media. American Journal of Scientific and Industrial Research. ISSN: 2153-649X. 5s 97 - 103. doi:10.5251/ajsir.2014.5.3.97.103.
  • Christy, Alfred Antony (2014). The Nature of Silanol Groups on the Surfaces of Silica, Modified Silica and Some Silica Based Materials. Advanced Materials Research. ISSN: 1022-6680. 998-999s 3 - 10. doi:10.4028/www.scientific.net/AMR.998-999.3.
  • Christy, Alfred Antony (2013). Chemistry of desiccant properties of carbohydrate polymers as studied by near-infrared spectroscopy. Industrial & Engineering Chemistry Research. ISSN: 0888-5885. 52 (12). s 4510 - 4516. doi:10.1021/ie302199k.
  • Christy, Alfred Antony (2013). Near Infrared Spectroscopic Study on the Adsorption of Methanol on Silica Gel. Advanced Materials Research. ISSN: 1022-6680. 650s 150 - 155. doi:10.4028/www.scientific.net/AMR.650.150.
  • Christy, Alfred Antony (2013). The nature of rest silanol groups on the surfaces of silica based solid phase extraction materials. Advanced Materials Research. ISSN: 1022-6680. 650s 66 - 71. doi:10.4028/www.scientific.net/AMR.650.66.
  • Christy, Alfred Antony; Nkansah, Marian Asantewah; Barth, Tanja (2012). Catalytic oxidation and reduction of polycyclic aromatic hydrocarbons (PAHs) present as mixtures in hydrothermal media. Polycyclic aromatic compounds (Print). ISSN: 1040-6638. 32 (3). s 408 - 422. doi:10.1080/10406638.2012.663451.
  • Christy, Alfred Antony (2012). Effect of Heat on the Adsorption Properties of Silica Gel. International Journal of Engineering and Technology. ISSN: 1793-8236. 4 (4). s 484 - 488. doi:10.7763/ijet.2012.v4.416.
  • Francis, George William; Christy, Alfred Antony; Øygarden, Jostein (2012). Pyrolytic formation of pyrolytic aromatic hydrocarbons from sesquiterpenes. Food Chemistry. ISSN: 0308-8146. 135 (3). s 1316 - 1322. doi:10.1016/j.foodchem.2012.06.033.
  • Nkansah, Marian Asantewah; Christy, Alfred Antony; Barth, Tanja; Francis, George William (2012). The use of lightweight expanded clay aggregate (LECA) as sorbent for PAHs removal from water. Journal of Hazardous Materials. ISSN: 0304-3894. 217s 360 - 365. doi:10.1016/j.jhazmat.2012.03.038.
  • Christy, Alfred Antony (2011). Effect of hydrothermal treatment on adsorption properties of silica gel. Industrial & Engineering Chemistry Research. ISSN: 0888-5885. 50 (9). s 5543 - 5549. doi:10.1021/ie1018468.
  • Christy, Alfred Antony (2011). Near infrared spectroscopic characterisation of surface hydroxyl groups on hydrothermally treated silica gel. International Journal of Chemical and Environmental Engineering. ISSN: 2078-0737. 2 (1). s 27 - 32. doi:10.4028/www.scientific.net/amr.650.150.
  • Christy, Alfred Antony; Svendsen, Monica Lian; Francis, George William (2011). Pyrolytic formation of polyaromatic hydrocarbons from steroid hormones. Food Chemistry. ISSN: 0308-8146. 124 (4). s 1466 - 1472. doi:10.1016/j.foodchem.2010.07.109.
  • Bobon, Miroslav; Christy, Alfred Antony; Kluvanec, Daniel; Illusova, Ludmilla (2011). State of water molecules and silanol groups in opal minerals: a near infrared spectroscopic study of opals from Slovakia. Physics and chemistry of minerals. ISSN: 0342-1791. 38 (10). s 809 - 818. doi:10.1007/s00269-011-0453-0.
  • Nkansah, Marian Asantewah; Christy, Alfred Antony; Barth, Tanja (2011). The use of anthracene as a model compound in a comparative study of hydrous pyrolysis methods for industrial waste remediation. Chemosphere. ISSN: 0045-6535. 84 (4). s 403 - 408. doi:10.1016/j.chemosphere.2011.03.061.
  • Christy, Alfred A. (2010). Isomerization of 9c11t/10t12c CLA in Triacylglycerols. Lipids. ISSN: 0024-4201. 45 (8). s 733 - 741. doi:10.1007/s11745-010-3452-x.
  • Christy, Alfred A. (2010). New insights into the surface functionalities and adsorption evolution of water molecules on silica gel surface: A study by second derivative near infrared spectroscopy. Vibrational Spectroscopy. ISSN: 0924-2031. 54 (1). s 42 - 49. doi:10.1016/j.vibspec.2010.06.003.
  • Christy, Alfred A. (2010). The Fate of Phthalates in Surface Waters During Humus Removal by Precipitation. International Journal of Arts and Sciences. ISSN: 1557-718X. 3 (9). s 11 - 22.
  • Christy, Alfred A. (2010). Thermally induced Isomerisation kinetics of the 9c11t and 10t12c Conjugate Linoleic Acids in triacylglycerols as studied by FT-IR spectrometry aided by gas chromatography. The Open Spectroscopy Journal. ISSN: 1874-3838. 4s 41 - 48.
  • Andersen, Dag Olav; Christy, Alfred A. (2010). Water Chemistry in the Confluence Zone Downstream a Limestone Treated Lake and an Acid Tributary: Principal Component Analyses Including Warm and Cold Winters and an Episode High in Sea-Salts. International Journal of Arts and Sciences. ISSN: 1557-718X. 3 (9). s 23 - 35.
  • Christy, Alfred A. (2009). Evidence in the formation of conjugated linoleic acids from thermally induced 9t12t linoleic acid: a study by gas chromatography and infrared spectroscopy. Chemistry and Physics of Lipids. ISSN: 0009-3084. 161 (2). s 86 - 94. doi:10.1016/j.chemphyslip.2009.07.002.
  • Christy, Alfred A.; Zhanfeng, Xu; Harrington, Peter de B. (2009). Thermal degradation and isomerisation kinetics of triolein studied by infrared spectrometry and GC-MS combined with chemometrics. Chemistry and Physics of Lipids. ISSN: 0009-3084. 158 (1). s 22 - 31. doi:10.1016/j.chemphyslip.2008.12.002.
  • Christy, Alfred A. (2009). Thermal induction of 9t12t linoleic acid: A new pathway for the formation of Conjugated Linoleic Acids. International Journal of Engineering and Technology. ISSN: 1793-8236. 1 (4). s 330 - 332.
  • Christy, Alfred A. (2009). Thermally Induced Isomerization of Trilinolein and Trilinoelaidin at 250 A degrees C: Analysis of Products by Gas Chromatography and Infrared Spectroscopy. Lipids. ISSN: 0024-4201. 44 (12). s 1105 - 1112. doi:10.1007/s11745-009-3363-x.
  • Christy, Alfred A. (2006). Infrared Spectroscopy and Partial Least Square Calibration in the Simultaneous Quantification of Isolated trans and Conjugated Linoleic Acids. Lipid Analysis and Lipidomics: New Techniques and Applications. The American Oil Chemists' Society. faglig_bok_forlag. s 135 - 154.
  • Christy, Alfred A.; Kvalheim, Olav (2006). Latent-variable analysis of multivariate data in infrared spectrometry. Near-Infrared Spectroscopy in Food Science and Technology. Wiley-VCH Verlagsgesellschaft. s 145 - 162.
  • Christy, Alfred Antony (2021). General Chemistry: The Basics. ISBN: 978-1-3076-9222-8. McGraw-Hill. s 450.
  • Christy, Alfred Antony (2020). General Chemistry: The basics. ISBN: 9781307606522. Mcgraw Hill. s 412.
  • Christy, Alfred A. (2001). Modern Fourier Transform Infrared Spectroscopy. ISBN: 444500448. Elsevier. s 376.
  • Christy, Alfred Antony (2022). Session Chairman-Material science conference.
  • Christy, Alfred Antony (2022). Instrumental analysis- Hydration of Cement studied by Near Infrared Spectroscopy.
  • Storaas, Vigleik; Christy, Alfred Antony (2022). Instrumental analysis- UV and Infrared spectroscopy.
  • Christy, Alfred Antony (2022). Organic Chemistry Basics- Esters and related compounds.
  • Christy, Alfred Antony (2022). Organic Chemistry-Fatty acids.

Ekspertområder

Sist endret: 23.01.2023 10:01