Structure of Electrical Double Layer at the Metal Oxide with Proteins/NaCl Electrolyte Solution Interface
Adsorption of proteins on metal oxides is important in many fields of life. We carried out studies on deposition (adsorption) of proteins (bovine serum albumin, BSA) on oxides at different pH values (2.5, 4.8 and 7). The oxide samples were of the SiO 2 /BSA, ST20(SiO 2 /TiO 2 )/BSA and SA1(SiO 2 /Al...
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| Format: | Article |
| Language: | English |
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SAGE Publishing
2015-08-01
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| Series: | Adsorption Science & Technology |
| Online Access: | https://doi.org/10.1260/0263-6174.33.6-8.567 |
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| author | W. Janusz N.Y. Klymenko E. Skwarek S. Chibowski J. Skubiszewska-Zięba N.P. Galagan K.N. Jurewnoy V. Zarko |
| author_facet | W. Janusz N.Y. Klymenko E. Skwarek S. Chibowski J. Skubiszewska-Zięba N.P. Galagan K.N. Jurewnoy V. Zarko |
| author_sort | W. Janusz |
| collection | DOAJ |
| description | Adsorption of proteins on metal oxides is important in many fields of life. We carried out studies on deposition (adsorption) of proteins (bovine serum albumin, BSA) on oxides at different pH values (2.5, 4.8 and 7). The oxide samples were of the SiO 2 /BSA, ST20(SiO 2 /TiO 2 )/BSA and SA1(SiO 2 /Al 2 O 3 )/BSA types. NaCl solution was used as a basic electrolyte. It was found that the adsorption of BSA-type protein on the surface of studied oxides changes the character of functional groups that are responsible for charge formation at the adsorbent/electrolyte solution interface, eventually causing a shift of isoelectric point towards higher pH values. The effect of change of functional groups surface properties depends on pH at which the protein was deposited on the matrix surface. |
| format | Article |
| id | doaj-art-049c0ad9b4564dc2a986561dc2c9dd99 |
| institution | Kabale University |
| issn | 0263-6174 2048-4038 |
| language | English |
| publishDate | 2015-08-01 |
| publisher | SAGE Publishing |
| record_format | Article |
| series | Adsorption Science & Technology |
| spelling | doaj-art-049c0ad9b4564dc2a986561dc2c9dd992025-01-03T00:12:16ZengSAGE PublishingAdsorption Science & Technology0263-61742048-40382015-08-013310.1260/0263-6174.33.6-8.567Structure of Electrical Double Layer at the Metal Oxide with Proteins/NaCl Electrolyte Solution InterfaceW. Janusz0N.Y. Klymenko1E. Skwarek2S. Chibowski3J. Skubiszewska-Zięba4N.P. Galagan5K.N. Jurewnoy6V. Zarko7Faculty of Chemistry, Maria Curie-Sklodowska University, pl. Maria Curie-Sklodowskiej 3, 20-031 Lublin, PolandNational Academy of Sciences of Ukraine, Kiev 17 Naumov Strasse, 03164, Kyiv, Ukraine.Faculty of Chemistry, Maria Curie-Sklodowska University, pl. Maria Curie-Sklodowskiej 3, 20-031 Lublin, PolandFaculty of Chemistry, Maria Curie-Sklodowska University, pl. Maria Curie-Sklodowskiej 3, 20-031 Lublin, PolandFaculty of Chemistry, Maria Curie-Sklodowska University, pl. Maria Curie-Sklodowskiej 3, 20-031 Lublin, PolandNational Academy of Sciences of Ukraine, Kiev 17 Naumov Strasse, 03164, Kyiv, Ukraine.National Academy of Sciences of Ukraine, Kiev 17 Naumov Strasse, 03164, Kyiv, Ukraine.National Academy of Sciences of Ukraine, Kiev 17 Naumov Strasse, 03164, Kyiv, Ukraine.Adsorption of proteins on metal oxides is important in many fields of life. We carried out studies on deposition (adsorption) of proteins (bovine serum albumin, BSA) on oxides at different pH values (2.5, 4.8 and 7). The oxide samples were of the SiO 2 /BSA, ST20(SiO 2 /TiO 2 )/BSA and SA1(SiO 2 /Al 2 O 3 )/BSA types. NaCl solution was used as a basic electrolyte. It was found that the adsorption of BSA-type protein on the surface of studied oxides changes the character of functional groups that are responsible for charge formation at the adsorbent/electrolyte solution interface, eventually causing a shift of isoelectric point towards higher pH values. The effect of change of functional groups surface properties depends on pH at which the protein was deposited on the matrix surface.https://doi.org/10.1260/0263-6174.33.6-8.567 |
| spellingShingle | W. Janusz N.Y. Klymenko E. Skwarek S. Chibowski J. Skubiszewska-Zięba N.P. Galagan K.N. Jurewnoy V. Zarko Structure of Electrical Double Layer at the Metal Oxide with Proteins/NaCl Electrolyte Solution Interface Adsorption Science & Technology |
| title | Structure of Electrical Double Layer at the Metal Oxide with Proteins/NaCl Electrolyte Solution Interface |
| title_full | Structure of Electrical Double Layer at the Metal Oxide with Proteins/NaCl Electrolyte Solution Interface |
| title_fullStr | Structure of Electrical Double Layer at the Metal Oxide with Proteins/NaCl Electrolyte Solution Interface |
| title_full_unstemmed | Structure of Electrical Double Layer at the Metal Oxide with Proteins/NaCl Electrolyte Solution Interface |
| title_short | Structure of Electrical Double Layer at the Metal Oxide with Proteins/NaCl Electrolyte Solution Interface |
| title_sort | structure of electrical double layer at the metal oxide with proteins nacl electrolyte solution interface |
| url | https://doi.org/10.1260/0263-6174.33.6-8.567 |
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