ArticleAdvanced healthcare materials2022
XPS and ToF-SIMS Characterization of New Biodegradable Poly(Peptide-Urethane-Urea) Block Copolymers.
Article in Advanced healthcare materials, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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.
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.
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Who cites it
6 citing papers in PubMed.
- Design and Synthesis of Peptide-Polyester Conjugates for Cell-Mediated Scaffold Degradation.Advanced healthcare materials · 2026Article
- Study on the Adsorption Behavior of Preservatives in Multidose Eye Drops and Their Interaction with Packaging Materials.ACS omega · 2025Article
- Design and Synthesis of Peptide-Polyester Conjugates for Cell-Mediated Scaffold Degradation.bioRxiv : the preprint server for biology · 2025Article
- ToF-SIMS analysis of ultrathin films and their fragmentation patterns.Journal of vacuum science & technology. A, Vacuum, surfaces, and films : an official journal of the American Vacuum Society · 2024Article
- Rational design of poly(peptide-ester) block copolymers for enzyme-specific surface resorption.Journal of materials chemistry. B · 2023Article
- Investigations into the characterization, degradation, and applications of biodegradable polymers by mass spectrometry.Mass spectrometry reviewsReview
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
New, linear, segmented poly(peptide-urethane-urea) (PPUU) block copolymers are synthesized and their surface compositions are characterized with angle dependent X-ray photoelectron spectroscopy (ADXPS) and time-of-flight secondary ion mass spectrometry (ToF-SIMS). These new PPUU block copolymers contain three types of segments. The soft segment (SS) is poly(caprolactone diol) (PCL). The hard segment is lysine diisocyanate with a hydrazine chain extender. The oligopeptide segment (OPS) contains three types of amino acids (proline, hydroxyproline, and glycine). Incorporation of the OPS into the polyurethane backbone is done to provide a synthetic polymer material with controllable biodegradation properties. As biodegradation processes normally are initiated at the interface between the biomaterial and the living tissue, it is important to characterize the surface composition of biomaterials. ADXPS and ToF-SIMS results show that the surfaces of all four polymers are enriched with the PCL SS, the most hydrophobic component of the three polymer segments.
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Registered trials
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