Evidence map›Paper›PMID 26442631›Full record

ArticleLangmuir : the ACS journal of surfaces and colloids2015

Poly(vinyl alcohol)-Poly(ethylene glycol) Double-Network Hydrogel: A General Approach to Shape Memory and Self-Healing Functionalities.

Guo Li, Hongji Zhang, Daniel Fortin, Hesheng Xia, Yue Zhao

Abstract read
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In one paragraph

Article in Langmuir : the ACS journal of surfaces and colloids, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing 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

21 citing papers in PubMed.

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  17. Self-Healing Hydrogels: The Next Paradigm Shift in Tissue Engineering?Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2019
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors.

Guo LiDépartement de chimie, Université de Sherbrooke , Sherbrooke, Québec J1K 2R1, Canada.
Hongji ZhangDépartement de chimie, Université de Sherbrooke , Sherbrooke, Québec J1K 2R1, Canada.
Daniel FortinDépartement de chimie, Université de Sherbrooke , Sherbrooke, Québec J1K 2R1, Canada.
Hesheng XiaState Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University , Chengdu 610065, China.
Yue ZhaoDépartement de chimie, Université de Sherbrooke , Sherbrooke, Québec J1K 2R1, Canada.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A double-network polymer hydrogel composed of chemically cross-linked poly(ethylene glycol) (PEG) and physically cross-linked poly(vinyl alcohol) (PVA) was prepared. When the hydrogel (70 wt % of water) is subjected to freezing/thawing treatment under strain, the enhanced physical network as a result of crystallization of PVA chains can stabilize the hydrogel deformation after removal of the external force at room temperature. Subsequent disruption of the physical network of PVA by heating allows for the recovery of the initial shape of the hydrogel. Moreover, the double-network hydrogel exhibits self-healing capability stemming from the physical network of PVA by virtue of the extensive interchain hydrogen bonding between the hydroxyl side groups. This study thus demonstrates a general approach to imparting both the shape memory and self-healing properties to chemically cross-linked hydrogels that otherwise do not have such functionalities. Moreover, by making use of the fixed hydrogel elongation, the effect of anisotropy arising from chain orientation on the self-healing was also observed.

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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.