Evidence map›Paper›PMID 30979238›Full record

ArticlePolymers2016

Modification of Spherical Polyelectrolyte Brushes by Layer-by-Layer Self-Assembly as Observed by Small Angle X-ray Scattering.

Yuchuan Tian, Li Li, Haoya Han, Weihua Wang, Yunwei Wang, Zhishuang Ye, Xuhong Guo

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Polymers, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing 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

5 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Article
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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

7 authors.

Yuchuan TianState-Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China. tianyuchuanecust@163.com.
Li LiState-Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China. lili76131@ecust.edu.cn.
Haoya HanState-Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China. 020120096@mail.ecust.edu.cn.
Weihua WangState-Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China. wang88101500@163.com.
Yunwei WangState-Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China. Y20140094@mail.ecust.edu.cn.
Zhishuang YeState-Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China. 18817507593@163.com.
Xuhong GuoState-Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China. guoxuhong@ecust.edu.cn.

Funding

111 Project B08021Fundamental Research Funds for the Central UniversitiesNSFC 21476143NSFC 51273063
6 · The paper itself

Abstract

Multilayer modified spherical polyelectrolyte brushes were prepared through alternate deposition of positively charged poly(allylamine hydrochloride) (PAH) and negatively charged poly-l-aspartic acid (PAsp) onto negatively charged spherical poly(acrylic acid) (PAA) brushes (SPBs) on a poly(styrene) core. The charge reversal determined by the zeta potential indicated the success of layer-by-layer (LBL) deposition. The change of the structure during the construction of multilayer modified SPBs was observed by small-angle X-ray scattering (SAXS). SAXS results indicated that some PAH chains were able to penetrate into the PAA brush for the PAA-PAH double-layer modified SPBs whereas part of the PAH moved towards the outer layer when the PAsp layer was loaded to form a PAA-PAH-PAsp triple-layer system. The multilayer modified SPBs were stable upon changing the pH (5 to 9) and ionic strength (1 to 100 mM). The triple-layer modified SPBs were more tolerated to high pH (even at 11) compared to the double-layer ones. SAXS is proved to be a powerful tool for studying the inner structure of multilayer modified SPBs, which can establish guidelines for the a range of potential applications of multilayer modified SPBs.

Indexed as

layer-by-layer depositionsmall X-ray scatteringspherical polyelectrolyte brushes

Identifiers

PMID30979238
PMCPMC6432364

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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.