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<md:year>2021</md:year>
<md:title>Hydrolysis rates of bio-based polymers</md:title>
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<md:abstract>Bio-degradation assays were performed for bio-based polymers under environmental conditions with controlled temperature and pH using pH Stat titration. Suspensions of PLA and PBS microparticles, produced by e.g. cryo-milling, were incubated with proteolytic and lipolytic enzymes. Rates of hydrolysis, as determined by counter-titration with a diluted base (NaOH), was recorded for two hours. The thermal profile of PLA hydrolysis by protease was investigated. All measurements were conducted under controlled laboratory conditions.</md:abstract>
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<md:year>2021</md:year>
<md:title>pH-Stat Titration: A Rapid Assay for Enzymatic Degradability of Bio-Based Polymers</md:title>
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<md:source>Polymers</md:source>
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<md:comment>The columns headings are abbreviated and mean the following. Min: Duration of the titration in minutes; ml: Volume of added NaOH. Unless otherwise specified, c (NaOH) = 10 mM; pH: pH value of the suspension, set to 8.2; °C: Temperature of the suspension.</md:comment>
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