Evidence map›Paper›PMID 39198949›Full record

ArticleSe pu = Chinese journal of chromatography2024

[On-line enrichment and separation of glycoprotein by capillary electrophoresis based on pH response coating column].

Jian Zhang, Cai-Feng Xu, Cai-Lian Ma, Mao-Fang He, Bo Zhang, Chun-Ye Liu

Abstract readEnglish Abstract
In one paragraph

Article in Se pu = Chinese journal of chromatography, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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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

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3 · Its place in the literature

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4 · The record

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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

6 authors.

Jian ZhangSchool of Pharmacy, Xi'an Medical University, Xi'an 710021, China.
Cai-Feng XuSchool of Pharmacy, Xi'an Medical University, Xi'an 710021, China.
Cai-Lian MaSchool of Pharmacy, Xi'an Medical University, Xi'an 710021, China.
Mao-Fang HeSchool of Pharmacy, Xi'an Medical University, Xi'an 710021, China.
Bo ZhangSchool of Pharmacy, Xi'an Medical University, Xi'an 710021, China.
Chun-Ye LiuSchool of Pharmacy, Xi'an Medical University, Xi'an 710021, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A capillary column coated with 3-aminophenylboronic acid (APBA)-functionalized gold nanoparticles (AuNPs@APBA) was prepared via electrostatic self-assembly. The coated column exhibited anti-nonspecific adsorption of glycoproteins, enabling selective online enrichment during capillary electrophoresis (CE). First, gold nanoparticles (AuNPs) were synthesized using the sodium citrate reduction method. Then, APBA was self-assembled electrostatically on the surface of the AuNPs to obtain AuNPs@APBA. This nanomaterial was bonded to the inner wall of a capillary through ion adsorption to produce a AuNPs@APBA-coated capillary column. Glycoproteins were adsorbed via bond formation with boric acid groups under alkaline conditions (pH 8) to generate borate esters. Under acidic conditions (pH 3), the borate esters dissociated to release the glycoproteins, thereby achieving the selective online enrichment and separation of glycoproteins. The AuNPs and AuNPs@APBA were characterized using Fourier transform infrared spectroscopy, and their sizes and Zeta potentials were determined. In addition, the electroosmotic flow (EOF) of the AuNPs@APBA-coated capillary column was measured. The results showed that the surface of the AuNPs was successfully modified with APBA and that AuNPs@APBA was adsorbed on the inner wall of the capillary. The peak area of ovalbumin (OVA) on the AuNPs@APBA-coated column was 26.46 times higher than that on a bare column via conventional electrophoresis. In contrast, the peak area of bovine serum albumin (BSA) only increased by 8.47 times, indicating that the AuNPs@APBA coated column selectively enriched glycoproteins. Evaluation of the reproducibility and stability of this method revealed that the AuNPs@APBA coated capillary column could be used continually for 33-67 h. The relative standard deviations (RSDs) of the peak areas for intra-day (

Indexed as

Electrophoresis, CapillaryGlycoproteinsGoldMetal NanoparticlesAnimalsBoronic AcidsHydrogen-Ion Concentration3-aminobenzeneboronic acidBoronic AcidsGlycoproteinsGoldcapillary electrophoresis (CE)glycoproteinion adsorptionon-line enrichmentphenylboronic acid

Identifiers

PMID39198949
PMCPMC11358873

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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.