Regular ArticleCharacterization of pH-Dependent Poly(acrylic Acid) Complexation with Phospholipid Vesicles
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Electrophoretic deposition of collagen/chitosan films with copper-doped phosphate glasses for orthopaedic implants
2022, Journal of Colloid and Interface ScienceLinking polymer hydrophobicity and molecular interactions to rheology and tribology in phospholipid-containing complex gels
2021, Journal of Colloid and Interface ScienceCitation Excerpt :While at high pH, the addition of the ionic surfactant decreases the sample viscosity due to the increase in electrolyte concentration. The interactions of phospholipid in the form of liposomes with other types of polymers have been extensively studied [5,26–29], and it is well-known that the inclusion of polymers in the liposomes can stabilize [27] or cause aggregation and fusion of phospholipid membranes [30] as well as provide membrane sensitivity to different stimuli [31]. However, the interactions of crosslinked polymers with aqueous phospholipid dispersions with no previous liposome preparation step [32,33] have yet to be investigated, and in this work, we use isothermal titration calorimetry (ITC) to characterize these interactions.
Towards a catheter-based impedimetric sensor for the assessment of intestinal histamine levels in IBS patients
2020, Biosensors and BioelectronicsCitation Excerpt :Non-imprinted polymer particles (NIPs) as reference material were similarly synthesized, however without adding template molecules to the polymerization suspension. The choice for acrylic acid was based on the fact that it can be deprotonated in the pH range of intestinal fluids and has therefore the ability to effectively measure histamine levels (Fujiwara et al., 1997; Peeters et al., 2013). The binding probability for histamine molecules is uniform in a pH range from 5 to 9, where they are mostly present in their single- or double-protonated state (Peeters et al., 2013).
Molecularly Imprinted Polymers: Synthetic Receptors for Diagnostic Medical Devices. Synthetic Receptors for Diagnostic Medical Devices
2016, Molecularly Imprinted Catalysts: Principles, Syntheses, and ApplicationsBiocompatible and multi-responsive poly(N-vinylcaprolactam)-based microgels: The role of acidic comonomers in the colloidal properties and phase transition as a function of temperature an pH
2015, European Polymer JournalCitation Excerpt :These effects are mainly a consequence of the reactivity of AA in the different pH values and of the degree of swelling. It is known that AA is more reactive below its pKa at pH 4.17 [30]. In non-buffered conditions the addition of AA to the media leads to the decrease in pH to about 2.8–3.0, depending on the AA concentration, which is bellow the pKa of AA.
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