The control of phosphate ion release from ion permeable microcapsules formulated in to rosin varnish and resin glaze

Falbo, Michelle M.; Elassal, Phillip; Greving, Theresa A.; McHale, William A.; Latta, Mark; Gross, Stephen M.

doi:10.1016/j.dental.2013.04.017

Cited by 7 publications

(3 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…For example, self-healing resin composites were demonstrated using core-shell microcapsules that release a healing agent in response to mechanical damage [16-18]. Microcapsules have also been used for the time-release (also known as sustained release) of useful agents for antimicrobial activities [19,20], remineralization [21-23], and regeneration [24-27]. Time-release is generally achieved via the degradation of the encapsulating wall material, diffusion through the shell wall, or a combination of these two mechanisms [28].…”

Section: Introductionmentioning

confidence: 99%

Encapsulation of grape seed extract in polylactide microcapsules for sustained bioactivity and time-dependent release in dental material applications

et al. 2017

View full text Add to dashboard Cite

Objective To sustain the bioactivity of proanthocyanidins-rich plant-derived extracts via encapsulation within biodegradable polymer microcapsules. Methods Polylactide microcapsules containing grape seed extract (GSE) were manufactured using a combination of double emulsion and solvent evaporation techniques. Microcapsule morphology, size distribution, and cross-section were examined via scanning electron microscopy. UV-vis measurements were carried out to evaluate the core loading and encapsulation efficiency of microcapsules. The bioactivity of extracts was evaluated after extraction from capsules via solvent partitioning one week or one year post-encapsulation process. Fifteen human molars were cut into 7mm × 1.7 mm μ0.5 mm thick mid-coronal dentin beams, demineralized, and treated with either encapsulated GSE, pristine GSE, or left untreated. The elastic modulus of dentin specimens was measured based on three-point bending experiments as an indirect assessment of the bioactivity of grape seed extracts. The effects of the encapsulation process and storage time on the bioactivity of extracts were analyzed. Results Polynuclear microcapsules with average diameter of 1.38 μm and core loading of up to 38wt% were successfully manufactured. There were no statistically significant differences in the mean fold increase of elastic modulus values among the samples treated with encapsulated or pristine GSE (p = 0.333), or the storage time (one week versus one year storage at room temperature, p = 0.967). Significance Polynuclear microcapsules containing proanthocyanidins-rich plant-derived extracts were prepared. The bioactivity of extracts was preserved after microencapsulation.

show abstract

Section: Introductionmentioning

confidence: 99%

Encapsulation of grape seed extract in polylactide microcapsules for sustained bioactivity and time-dependent release in dental material applications

et al. 2017

View full text Add to dashboard Cite

show abstract

“…The release of anions from the hydrogels PMNPAc-NO 3 – and PMNPAc-H 2 PO 4 – was performed at 35 °C in deionized water and buffer solutions for 72 h. Dried hydrogels PMNPAc-NO 3 – and PMNPAc-H 2 PO 4 – (25 mg) were soaked in deionized water/buffer (150 mL) solutions. At periodic time intervals, 1 mL samples were withdrawn, and quantification was done by a specific method for each anion. − All the experiments were repeated three times and the average is reported.…”

Section: Methodsmentioning

confidence: 99%

Macroporous Polyzwitterionic Gels As Versatile Intermediates for the Fixation and Release of Anions

Bairagi

Jacob

2021

Langmuir

View full text Add to dashboard Cite

A new stable and functional polyzwitterion poly[1-(carboxymethyl)-4-methacrylamidopyridin-1-ium] was synthesized. The zwitterionic polymer shows its isoelectric point at a pH of 4.2, bidirectional pH responsiveness, and formation of dendritic fractal self-aggregated structures. Using this as a common intermediate, a simple, direct, and scalable single-step protocol was established to introduce various elementary anions like NO

show abstract

“…When the pH drops below the critical pH the saliva is no longer saturated and the tooth will demineralise [55]. The control of phosphate ion release from ion permeable microcapsules formulated in to rosin varnish and resin glaze in dentistry has been reported [56]. The objective of this study is to investigate the most effective way to control the release rate of bio-available phosphate ions contained in aqueous solutions within ion permeable microcapsules formulated in to rosin based varnishes and resin based sealants, in order to promote remineralisation.…”

Section: Direct Digital Manufacturing and Polymersmentioning

confidence: 99%

Rosin Product Review

Mahendra

2019

AMM

View full text Add to dashboard Cite

Rosin is the non-volatile exudate of pine resin with hydrophobic characteristics that are widely used and modified as a precursor for many industrial applications such as paints, inks and adhesives. The review paper discusses the rosin, its nature, processing, production material development for green science. The composite materials have been designed and tailored with respect to desired applications to offer a potential replacement of petrochemical use. Rosin consists of different resin acids that can undergo isomerisation at elevated temperatures and interchange its form, which, can be used as a rigid building block to manipulate their mechanical properties and crystallisation behaviours. Modified rosin epoxy binders have been recognised as materials with resistance to a wide variety of chemical conditions that can be used to fabricate a variety of reinforced constructions. Rosin has been employed in foam making in addition to composite material, depicting its ability as a crosslinker.

show abstract

The control of phosphate ion release from ion permeable microcapsules formulated in to rosin varnish and resin glaze

Cited by 7 publications

References 28 publications

Encapsulation of grape seed extract in polylactide microcapsules for sustained bioactivity and time-dependent release in dental material applications

Encapsulation of grape seed extract in polylactide microcapsules for sustained bioactivity and time-dependent release in dental material applications

Macroporous Polyzwitterionic Gels As Versatile Intermediates for the Fixation and Release of Anions

Rosin Product Review

Contact Info

Product

Resources

About