Evidence map›Paper›PMID 22180140›Full record

ArticleJournal of materials science. Materials in medicine2012

Preparation and biocompatibility study of in situ forming polymer implants in rat brains.

Norased Nasongkla, Atthaporn Boongird, Suradej Hongeng, Chawan Manaspon, Noppadol Larbcharoensub

Abstract read
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In one paragraph

Article in Journal of materials science. Materials in medicine, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
1.3field-weighted citation impact, top 21% of its field
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

4 citing papers in PubMed, 20 citations in OpenAlex.

  1. Pollen grains as a novel microcarrier for oral delivery of proteins.International journal of pharmaceutics · 2018
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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 at 2 institutions in 1 country.

Norased NasongklaDepartment of Biomedical Engineering, Faculty of Engineering, Mahidol University, Nakorn Pathom, Thailand. egnns@mahidol.ac.th
Atthaporn Boongird
Suradej Hongeng
Chawan Manaspon
Noppadol Larbcharoensub
Mahidol University · THRamathibodi Hospital · TH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We describe the development of polymer implants that were designed to solidify once injected into rat brains. These implants comprised of glycofurol and copolymers of D: ,L: -lactide (LA), ε-caprolactone and poly(ethylene glycol) (PLECs). Scanning electron microscopy (SEM) and gel permeation chromatography (GPC) showed that the extent of implant degradation was increased with LA: content in copolymers. SEM analysis revealed the formation of porosity on implant surface as the degradation proceeds. PLEC with 19.3% mole of LA: was chosen to inject in rat brains at the volume of 10, 25 and 40 μl. Body weights, hematological and histopathological data of rats treated with implants were evaluated on day 3, 6, 14, 30 and 45 after the injection. Polymer solution at the injection volume of 10 μl were tolerated relatively well compared to those of 25 and 40 μl as confirmed by higher body weight and healing action (fibrosis tissue) 30 days after treatment. The results from this study suggest a possible application as drug delivery systems that can bypass the blood brain barrier.

Indexed as

AnimalsBiocompatible MaterialsBrainCaproatesCentral Nervous SystemChromatography, GelLactic AcidLactonesMaterials TestingMicroscopy, Electron, ScanningPolyestersPolyethylene GlycolsPolymersPorosityRatsTime FactorsBiocompatible MaterialsCaproatescaprolactoneglycofurolLactic AcidLactonesPolyestersPolyethylene GlycolsPolymers

Identifiers

PMID22180140
OpenAlexW1990819826

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.