Evidence map›Paper›PMID 36679297›Full record

ArticlePolymers2023

Effects of Calcium Carbonate Microcapsules and Nanohydroxyapatite on Properties of Thermosensitive Chitosan/Collagen Hydrogels.

Premjit Arpornmaeklong, Natthaporn Jaiman, Komsan Apinyauppatham, Asira Fuongfuchat, Supakorn Boonyuen

Abstract read
In one paragraph

Article in Polymers, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Premjit ArpornmaeklongDepartment of Oral and Maxillofacial Surgery, Faculty of Dentistry, Thammasat University Rangsit Campus, Rangsit 12121, Thailand.
Natthaporn JaimanMaster of Science Program in Oral and Maxillofacial Surgery, Faculty of Dentistry, Thammasat University Rangsit Campus, Rangsit 12121, Thailand.
Komsan ApinyauppathamDepartment of Oral and Maxillofacial Surgery, Faculty of Dentistry, Thammasat University Rangsit Campus, Rangsit 12121, Thailand.ORCID 0000-0002-1134-8331
Asira FuongfuchatNational Metal and Materials Technology Center, National Science and Technology Development Agency, Khlong Luang 12120, Thailand.
Supakorn BoonyuenDepartment of Chemistry, Faculty of Science and Technology, Thammasat University Rangsit Campus, Rangsit 12121, Thailand.

Funding

the Thammasat University Research Unit in Tissue Engineering and Implant Dentistry 1/2565This study was supported by the National Research Council of Thailand 268/2563
6 · The paper itself

Abstract

Thermosensitive chitosan/collagen hydrogels are osteoconductive and injectable materials. In this study, we aimed to improve these properties by adjusting the ratio of nanohydroxyapatite particles to calcium carbonate microcapsules in a β-glycerophosphate-crosslinked chitosan/collagen hydrogel. Two hydrogel systems with 2% and 5% nanohydroxyapatite particles were studied, each of which had varying microcapsule content (i.e., 0%, 1%, 2%, and 5%). Quercetin-incorporated calcium carbonate microcapsules were prepared. Calcium carbonate microcapsules and nanohydroxyapatite particles were then added to the hydrogel according to the composition of the studied system. The properties of the hydrogels, including cytotoxicity and biocompatibility, were investigated in mice. The calcium carbonate microcapsules were 2-6 µm in size, spherical, with rough and nanoporous surfaces, and thus exhibited a burst release of impregnated quercetin. The 5% nanohydroxyapatite system is a solid particulate gel that supports homogeneous distribution of microcapsules in the three-dimensional matrix of the hydrogels. Calcium carbonate microcapsules increased the mechanical and physical strength, viscoelasticity, and physical stability of the nanohydroxyapatite hydrogels while decreasing their porosity, swelling, and degradation rates. The calcium carbonate microcapsules-nanohydroxyapatite hydrogels were noncytotoxic and biocompatible. The properties of the hydrogel can be tailored by adjusting the ratio of calcium carbonate microcapsules to the nanohydroxyapatite particles. The 1% calcium carbonate microcapsules containing 5% nanohydroxyapatite particle-chitosan/collagen hydrogel exhibited mechanical and physical strength, permeability, and prolonged release profiles of quercetin, which were superior to those of the other studied systems and were optimal for promoting bone regeneration and delivering natural flavonoids.

Indexed as

bone substitutescalcium carbonate microcapsulescontrolled releasenanohydroxyapatite particlesquercetinthermosensitive chitosan/collagen hydrogel

Identifiers

PMID36679297
PMCPMC9861171

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.