Characterization of Co(II)-PAMAM dendrimer complexes with polypropylene oxide core by using UV-VIS spectroscopy
The aim of this study was to characterize poly(amidoamine) (PAMAM) dendrimer complexes of Co(II) ions by using UV-Vis spectroscopy. For this aim, a generation-4 polypropylene oxide (Jeffamine® T-403) cored and amine-terminated PAMAM dendrimer (P4) was used as a model complexation agent. Optimum comp...
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| Format: | Article |
| Language: | English |
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Society of Chemists and Technologists of Macedonia
2016-10-01
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| Series: | Macedonian Journal of Chemistry and Chemical Engineering |
| Subjects: | |
| Online Access: | https://mjcce.org.mk/index.php/MJCCE/article/view/895 |
| _version_ | 1818436315002175488 |
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| author | Ali Serol Ertürk Mustafa Ulvi Gürbüz Metin Tülü Abdürrezzak Emin Bozdoğan |
| author_facet | Ali Serol Ertürk Mustafa Ulvi Gürbüz Metin Tülü Abdürrezzak Emin Bozdoğan |
| author_sort | Ali Serol Ertürk |
| collection | DOAJ |
| description | The aim of this study was to characterize poly(amidoamine) (PAMAM) dendrimer complexes of Co(II) ions by using UV-Vis spectroscopy. For this aim, a generation-4 polypropylene oxide (Jeffamine® T-403) cored and amine-terminated PAMAM dendrimer (P4) was used as a model complexation agent. Optimum complexation condition for P4 was determined by potentiometric and spectroscopic titration studies. Extent of protonation (EOP) of the amino groups of P4 was determined from the potentiometric titration data and validated with spectroscopic titration data. The results indicated that pH 8 was the optimum dendrimer aqueous solution media, where the available number of tertiary amines present in P4 was the highest for possible metal complexation. At the optimized conditions, UV-Vis characterization of the Co(II)-P4 complexes was performed and 585–635 nm d-d transition bands were observed as the characteristic complexation bands of the tertiary amine groups of P4 with Co(II) ions. Obtained Co(II)-P4 complexes might be considered for the development of magnetic resonance image (MRI) improvers or MRI contrast agents. |
| first_indexed | 2024-12-14T17:06:49Z |
| format | Article |
| id | doaj.art-1f5b1d3600af4d39b75d3b99199171e1 |
| institution | Directory Open Access Journal |
| issn | 1857-5552 1857-5625 |
| language | English |
| last_indexed | 2024-12-14T17:06:49Z |
| publishDate | 2016-10-01 |
| publisher | Society of Chemists and Technologists of Macedonia |
| record_format | Article |
| series | Macedonian Journal of Chemistry and Chemical Engineering |
| spelling | doaj.art-1f5b1d3600af4d39b75d3b99199171e12022-12-21T22:53:41ZengSociety of Chemists and Technologists of MacedoniaMacedonian Journal of Chemistry and Chemical Engineering1857-55521857-56252016-10-0135226327010.20450/mjcce.2016.895310Characterization of Co(II)-PAMAM dendrimer complexes with polypropylene oxide core by using UV-VIS spectroscopyAli Serol Ertürk0Mustafa Ulvi Gürbüz1Metin Tülü2Abdürrezzak Emin Bozdoğan3Adıyaman UniversityYıldız Technical UniversityYıldız Technical UniversityYıldız Technical UniversityThe aim of this study was to characterize poly(amidoamine) (PAMAM) dendrimer complexes of Co(II) ions by using UV-Vis spectroscopy. For this aim, a generation-4 polypropylene oxide (Jeffamine® T-403) cored and amine-terminated PAMAM dendrimer (P4) was used as a model complexation agent. Optimum complexation condition for P4 was determined by potentiometric and spectroscopic titration studies. Extent of protonation (EOP) of the amino groups of P4 was determined from the potentiometric titration data and validated with spectroscopic titration data. The results indicated that pH 8 was the optimum dendrimer aqueous solution media, where the available number of tertiary amines present in P4 was the highest for possible metal complexation. At the optimized conditions, UV-Vis characterization of the Co(II)-P4 complexes was performed and 585–635 nm d-d transition bands were observed as the characteristic complexation bands of the tertiary amine groups of P4 with Co(II) ions. Obtained Co(II)-P4 complexes might be considered for the development of magnetic resonance image (MRI) improvers or MRI contrast agents.https://mjcce.org.mk/index.php/MJCCE/article/view/895pamam dendrimerjeffaminecomplexationuv-vis spectroscopymri contrast agents |
| spellingShingle | Ali Serol Ertürk Mustafa Ulvi Gürbüz Metin Tülü Abdürrezzak Emin Bozdoğan Characterization of Co(II)-PAMAM dendrimer complexes with polypropylene oxide core by using UV-VIS spectroscopy Macedonian Journal of Chemistry and Chemical Engineering pamam dendrimer jeffamine complexation uv-vis spectroscopy mri contrast agents |
| title | Characterization of Co(II)-PAMAM dendrimer complexes with polypropylene oxide core by using UV-VIS spectroscopy |
| title_full | Characterization of Co(II)-PAMAM dendrimer complexes with polypropylene oxide core by using UV-VIS spectroscopy |
| title_fullStr | Characterization of Co(II)-PAMAM dendrimer complexes with polypropylene oxide core by using UV-VIS spectroscopy |
| title_full_unstemmed | Characterization of Co(II)-PAMAM dendrimer complexes with polypropylene oxide core by using UV-VIS spectroscopy |
| title_short | Characterization of Co(II)-PAMAM dendrimer complexes with polypropylene oxide core by using UV-VIS spectroscopy |
| title_sort | characterization of co ii pamam dendrimer complexes with polypropylene oxide core by using uv vis spectroscopy |
| topic | pamam dendrimer jeffamine complexation uv-vis spectroscopy mri contrast agents |
| url | https://mjcce.org.mk/index.php/MJCCE/article/view/895 |
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