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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Akyuz, Sevim Akalin, Elif Akyuz, Tanil |
| Description | Country affiliation: Turkey Author Affiliation: Akyuz S ( Istanbul Kultur University, Science and Letters Faculty, Department of Physics, 34156 Istanbul, Turkey. s.akyuz@iku.edu.tr) |
| Abstract | The adsorption of isoniazid (INH) on sepiolite, loughlinite (natural Na-sepiolite) and palygorskite from Anatolia was investigated by FT-IR spectroscopy. Experimental results indicated that INH molecules, adsorbed on sepiolite-palygorskite group of clays, are coordinated to surface hydroxyls by H-bonding interaction through the pyridine ring nitrogen lone pairs. Moreover, some of the adsorbed INH molecules may enter the interior channels of the sepiolite-palygorskite structure and involve H-bonding interaction with zeolitic water. Some intensity and frequency changes in the OH stretching band of surface hydroxyls (Si-OH) of the INH-treated sepiolite and loughlinite were observed. However, this band is found to be less affected by the adsorption of isoniazid in the case of palygorskite, probably because the surface Si-OH groups in palygorskite appear to be less abundant than in sepiolite or loughlinite. |
| ISSN | 13861425 |
| Issue Number | 4 |
| Volume Number | 75 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2010-04-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Aluminum Silicates Chemistry Isoniazid Magnesium Compounds Magnesium Silicates Silicon Compounds Adsorption Models, Molecular Spectroscopy, Fourier Transform Infrared Journal Article Research Support, Non-u.s. Gov't Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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