2015
DOI: 10.1002/jps.24256
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Development of a High-Throughput Screening Platform to Study the Adsorption of Antigens onto Aluminum-Containing Adjuvants

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Cited by 5 publications
(8 citation statements)
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“… 19 , 34 36 β-Casein was selected as the model protein to perform adsorption isotherms with AP. 16 Preliminary studies showed that adsorption and pH equilibration were achieved after 18 h of incubation with stirring for the mix AP/β-casein (data not shown). The adsorption of negatively charged β-casein (IEP 4.6–5.1) by negatively charged AP (PZC 4.5) at pH 7.0 ± 0.1 fitted the Langmuir model ( R 2 > 0.99).…”
Section: Resultsmentioning
confidence: 99%
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“… 19 , 34 36 β-Casein was selected as the model protein to perform adsorption isotherms with AP. 16 Preliminary studies showed that adsorption and pH equilibration were achieved after 18 h of incubation with stirring for the mix AP/β-casein (data not shown). The adsorption of negatively charged β-casein (IEP 4.6–5.1) by negatively charged AP (PZC 4.5) at pH 7.0 ± 0.1 fitted the Langmuir model ( R 2 > 0.99).…”
Section: Resultsmentioning
confidence: 99%
“…Adsorption capacity of AP for β-casein was determined by performing adsorption isotherms and evaluated using a constant AP concentration (160 µg/mL) and varying β-casein concentrations (475–750 µg/mL). 16 A sodium chloride solution was used at a final volume of 500 µL in a 96-deep-well plate. The formulations were gently stirred using magnetic bars in a microplate for 18 h at room temperature, using a Vortex Lateral Tumble Stirrer VP 708-CON (V&P Scientific, San Diego, CA).…”
Section: Methodsmentioning
confidence: 99%
“…The HTS platform can be incorporated during the vaccine formulation development processes to better understand the contributions of ligand exchange and electrostatic attractions governing the interactions between an antigen adsorbed onto aluminum-containing adjuvant, the assessment of the batch-tobatch consistency of aluminum-containing adjuvants, and the impact that formulation (e.g., salts) and process parameters could have on the adjuvant properties. The HTS platform brings together different applications already developed 41 into one unit (automated handling of excipients, antigens, and aluminum-based adjuvants followed by a characterization of the adsorption) to better understand the adsorption mechanisms of antigens onto aluminum-containing adjuvants.…”
Section: Discussionmentioning
confidence: 99%
“…Target pH was 7.0 ± 0.1 to allow electrostatic interactions as previously described. 41 Water for injection was used to reach the final volume. The ranges of aluminum and proteins concentrations are presented in Table 1 and were based on preliminary studies to cover the maximum adsorbed concentration of a protein to the aluminum salt (data not shown).…”
Section: Adsorption Isotherms Of Model Proteins and Antigens Onto Ahmentioning
confidence: 99%
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