Synergistic behavior of poly(aspartic acid) and Pluronic F127 in aqueous solution as studied by viscometry and dynamic light scattering

The proposed self-assembling mechanism between PAS and PLU around w*=0.5. [Display omitted] ► Evidencing of self-assembling between two polymers with biomedical applications: poly(aspartic acid) and Pluronic F127. ► The viscometric parameters were evaluated by using a new approach. ► Establishing th...

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Published inColloids and surfaces, B, Biointerfaces Vol. 103; pp. 544 - 549
Main Authors Nita, Loredana E., Chiriac, Aurica, Bercea, Maria, Wolf, Bernhard A.
Format Journal Article
LanguageEnglish
Published Netherlands Elsevier B.V 01.03.2013
Subjects
aqueous solutions
aspartic acid
chemical bonding
colloids
drug delivery systems
Interpolymeric complex
Light
light scattering
micelles
Peptides - analysis
Pluronic F127
Poloxamer - analysis
Poly(aspartic acid)
polyacrylic acid
Rheology - methods
Scattering, Radiation
Self assembling
Solutions
Static Electricity
viscometry
Viscosity
Water - chemistry
Pluronic F127
Poly(aspartic acid)
Interpolymeric complex
Self assembling
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Abstract The proposed self-assembling mechanism between PAS and PLU around w*=0.5. [Display omitted] ► Evidencing of self-assembling between two polymers with biomedical applications: poly(aspartic acid) and Pluronic F127. ► The viscometric parameters were evaluated by using a new approach. ► Establishing the ratio between the two polymers for which the interpolymeric complex appears. Pluronic F127/poly(aspartic acid) mixtures were investigated in dilute solutions by viscometry and dynamic light scattering. The two polymers were chosen due to well known applications in biomedical field, taking into account the final purpose (the use of the complex structure as drug delivery systems). The central item was to identify the possibility of complexation between the poly(carboxylic acid) and a non-ionic polymer and to investigate the conditions of the interpolymer complex formation. The ability of Pluronic F127 to form micelle is well known. Poly(aspartic acid), as a polycarboxylic acid with resemblance with polyacrylic acid, can act as dispersant, antiscalant, superabsorber, being also able to form micelles. Due to its functional groups, COOH and NH2, poly(aspartic acid) can make physical and/or chemical bonds with other macromolecular compounds. The intrinsic viscosity and the dynamic light scattering data obtained for PLU/PAS mixtures at 25°C have shown that interpolymer complex formation occurs around 1/1wt. ratio between the two polymers.
AbstractList Pluronic F127/poly(aspartic acid) mixtures were investigated in dilute solutions by viscometry and dynamic light scattering. The two polymers were chosen due to well known applications in biomedical field, taking into account the final purpose (the use of the complex structure as drug delivery systems). The central item was to identify the possibility of complexation between the poly(carboxylic acid) and a non-ionic polymer and to investigate the conditions of the interpolymer complex formation. The ability of Pluronic F127 to form micelle is well known. Poly(aspartic acid), as a polycarboxylic acid with resemblance with polyacrylic acid, can act as dispersant, antiscalant, superabsorber, being also able to form micelles. Due to its functional groups, -COOH and -NH(2), poly(aspartic acid) can make physical and/or chemical bonds with other macromolecular compounds. The intrinsic viscosity and the dynamic light scattering data obtained for PLU/PAS mixtures at 25 °C have shown that interpolymer complex formation occurs around 1/1 wt. ratio between the two polymers.
Pluronic F127/poly(aspartic acid) mixtures were investigated in dilute solutions by viscometry and dynamic light scattering. The two polymers were chosen due to well known applications in biomedical field, taking into account the final purpose (the use of the complex structure as drug delivery systems). The central item was to identify the possibility of complexation between the poly(carboxylic acid) and a non-ionic polymer and to investigate the conditions of the interpolymer complex formation. The ability of Pluronic F127 to form micelle is well known. Poly(aspartic acid), as a polycarboxylic acid with resemblance with polyacrylic acid, can act as dispersant, antiscalant, superabsorber, being also able to form micelles. Due to its functional groups, COOH and NH₂, poly(aspartic acid) can make physical and/or chemical bonds with other macromolecular compounds. The intrinsic viscosity and the dynamic light scattering data obtained for PLU/PAS mixtures at 25°C have shown that interpolymer complex formation occurs around 1/1wt. ratio between the two polymers.
The proposed self-assembling mechanism between PAS and PLU around w*=0.5. [Display omitted] ► Evidencing of self-assembling between two polymers with biomedical applications: poly(aspartic acid) and Pluronic F127. ► The viscometric parameters were evaluated by using a new approach. ► Establishing the ratio between the two polymers for which the interpolymeric complex appears. Pluronic F127/poly(aspartic acid) mixtures were investigated in dilute solutions by viscometry and dynamic light scattering. The two polymers were chosen due to well known applications in biomedical field, taking into account the final purpose (the use of the complex structure as drug delivery systems). The central item was to identify the possibility of complexation between the poly(carboxylic acid) and a non-ionic polymer and to investigate the conditions of the interpolymer complex formation. The ability of Pluronic F127 to form micelle is well known. Poly(aspartic acid), as a polycarboxylic acid with resemblance with polyacrylic acid, can act as dispersant, antiscalant, superabsorber, being also able to form micelles. Due to its functional groups, COOH and NH2, poly(aspartic acid) can make physical and/or chemical bonds with other macromolecular compounds. The intrinsic viscosity and the dynamic light scattering data obtained for PLU/PAS mixtures at 25°C have shown that interpolymer complex formation occurs around 1/1wt. ratio between the two polymers.
Author Wolf, Bernhard A.
Bercea, Maria
Nita, Loredana E.
Chiriac, Aurica
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Keywords Pluronic F127
Poly(aspartic acid)
Interpolymeric complex
Self assembling
Language English
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Snippet The proposed self-assembling mechanism between PAS and PLU around w*=0.5. [Display omitted] ► Evidencing of self-assembling between two polymers with...
Pluronic F127/poly(aspartic acid) mixtures were investigated in dilute solutions by viscometry and dynamic light scattering. The two polymers were chosen due...
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SubjectTerms aqueous solutions
aspartic acid
chemical bonding
colloids
drug delivery systems
Interpolymeric complex
Light
light scattering
micelles
Peptides - analysis
Pluronic F127
Poloxamer - analysis
Poly(aspartic acid)
polyacrylic acid
Rheology - methods
Scattering, Radiation
Self assembling
Solutions
Static Electricity
viscometry
Viscosity
Water - chemistry
Title Synergistic behavior of poly(aspartic acid) and Pluronic F127 in aqueous solution as studied by viscometry and dynamic light scattering
URI https://dx.doi.org/10.1016/j.colsurfb.2012.10.054
https://www.ncbi.nlm.nih.gov/pubmed/23261578
https://search.proquest.com/docview/1286947220
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