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Competitive adsorpt...
Competitive adsorption of monoclonal antibodies and nonionic surfactants at solid hydrophobic surfaces
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Kapp, Sebastian (författare)
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Larsson, Iben (författare)
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van de Weert, Marco (författare)
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- Cárdenas, Marité (författare)
- Malmö högskola,Institutionen för biomedicinsk vetenskap (BMV)
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Jørgensen, Lene (författare)
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(creator_code:org_t)
- John Wiley & Sons, 2015
- 2015
- Engelska.
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Ingår i: Journal of Pharmaceutical Sciences. - : John Wiley & Sons. - 0022-3549 .- 1520-6017. ; 104:2, s. 593-601
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Two monoclonal antibodies from the IgG subclasses one and two were compared in their adsorption behavior with hydrophobic surfaces upon dilution to 10 mg/mL with 0.9% NaCl. These conditions simulate handling of the compounds at hospital pharmacies and surfaces encountered after preparation, such as infusion bags and i.v. lines. Total internal reflection fluorescence and quartz crystal microbalance with dissipation monitoring were used to follow and quantify this. Furthermore, the influence of the nonionic surfactant polysorbate 80 (PS80) on the adsorption process of these two antibodies was investigated. Despite belonging to two different IgG subclasses, both antibodies displayed comparable adsorption behavior. Both antibodies readily adsorbed in the absence of PS80, whereas adsorption was reduced in the presence of 30 mg/L surfactant. The sequence of exposure of the surfactant and protein to the surface was found to have a major influence on the extent of protein adsorption. Although only a fraction of adsorbed protein could be removed by rinsing with 30 mg/L surfactant solution, adsorption was entirely prevented when surfaces were pre-exposed to PS80
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