You are currently on the new version of our website. Access the old version .

39 Results Found

  • Article
  • Open Access
4 Citations
2,671 Views
19 Pages

24 January 2023

In this study, reversible addition-fragmentation chain transfer (RAFT) polymerization is utilized in order to synthesize novel hyperbranched poly(oligoethylene glycol) methyl ether methacrylate-co-tert-butyl methacrylate-co-methacrylic acid) (H-[P(OE...

  • Article
  • Open Access
6 Citations
4,013 Views
15 Pages

31 October 2019

Herein, novel hyperbranched polyamidoamine guanidinium salts (GS-h-PAMAM) and two cationic acrylamide copolymers P(AM-DAC-ABSM) and P(AM-DAC-AMTU) were successfully prepared. Then, self-assembly supramolecular systems were synthesized by directly mix...

  • Article
  • Open Access
2 Citations
1,699 Views
28 Pages

Self-Assembling Amphiphilic ABA Triblock Copolymers of Hyperbranched Polyglycerol with Poly(tetrahydrofuran) and Their Nanomicelles as Highly Efficient Solubilization and Delivery Systems of Curcumin

  • Dóra Fecske,
  • György Kasza,
  • Gergő Gyulai,
  • Kata Horváti,
  • Márk Szabó,
  • András Wacha,
  • Zoltán Varga,
  • Györgyi Szarka,
  • Yi Thomann and
  • Béla Iván
  • + 6 authors

Delivering of hydrophobic drugs by polymeric nanoparticles is an intensively investigated research and development field worldwide due to the insufficient solubility of many existing and potential new drugs in aqueous media. Among polymeric nanoparti...

  • Article
  • Open Access
32 Citations
3,549 Views
16 Pages

11 September 2019

To improve oil recovery significantly in low-mid permeability reservoirs, a novel modified nano-SiO2 hyperbranched copolymer (HPBS), consisting of polyacrylamide as hydrophilic branched chains and modified nano-SiO2 as the core, was synthesized via a...

  • Article
  • Open Access
5 Citations
1,503 Views
17 Pages

23 January 2025

In this study, we report the synthesis of amphiphilic hyperbranched poly[(2-dimethylaminoethyl methacrylate)-co-(benzyl methacrylate)] statistical copolymers with two different stoichiometric compositions using the reversible addition–fragmenta...

  • Article
  • Open Access
8 Citations
3,502 Views
19 Pages

The synthesis of novel copolymers using one-step reversible addition-fragmentation chain transfer (RAFT) copolymerization of biocompatible methacrylic acid (MAA), lauryl methacrylate (LMA), and difunctional ethylene glycol dimethacrylate (EGDMA) as a...

  • Feature Paper
  • Article
  • Open Access
20 Citations
4,609 Views
16 Pages

Hyperbranch-Crosslinked S-SEBS Block Copolymer Membranes for Desalination by Pervaporation

  • Mengyu Yan,
  • Yunyun Lu,
  • Na Li,
  • Feixiang Zeng,
  • Qinzhuo Wang,
  • Hongcun Bai and
  • Zongli Xie

10 October 2020

Sulfonated aromatic polymer (SAP) featuring hydrophilic nanochannels for water transport is a promising membrane material for desalination. SAPs with a high sulfonation degree favor water transport but suffer from reduced mechanical strength and memb...

  • Article
  • Open Access
3 Citations
2,612 Views
15 Pages

11 March 2023

In recent years, the coupling of structurally and functionally controllable polymers with biologically active protein materials to obtain polymer–protein conjugates with excellent overall properties and good biocompatibility has been important...

  • Article
  • Open Access
2 Citations
2,045 Views
19 Pages

9 November 2024

Double hydrophilic, random, hyperbranched copolymers were synthesized via reversible addition–fragmentation chain transfer (RAFT) polymerization of oligo(ethylene glycol) methyl ether methacrylate (OEGMA) and 2-(dimethylamino)ethyl methacrylate...

  • Article
  • Open Access
7 Citations
4,234 Views
16 Pages

Amphiphilic P(OEGMA-co-DIPAEMA) Hyperbranched Copolymer/Magnetic Nanoparticle Hybrid Nanostructures by Co-Assembly

  • Dimitrios Selianitis,
  • Aleksander Forys,
  • Barbara Trzebicka,
  • Adam Alemayehu,
  • Václav Tyrpekl and
  • Stergios Pispas

This work presents the utilization of amphiphilic poly(oligo(ethylene glycol) methyl methacrylate)-co-poly(2-(diisopropylamino)ethyl methacrylate), P(OEGMA-co-DIPAEMA), hyperbranched (HB) copolymers, forming polymeric aggregates in aqueous media, as...

  • Article
  • Open Access
15 Citations
10,994 Views
22 Pages

23 August 2011

Temperature-triggered copolymers are proposed for a number of bio-applications but there is no ideal material platform, especially for injectable drug delivery. Options are needed for degradable biomaterials that not only respond to temperature but a...

  • Article
  • Open Access
6 Citations
2,377 Views
15 Pages

Novel Multi-Responsive Hyperbranched Polyelectrolyte Polyplexes as Potential Gene Delivery Vectors

  • Dimitrios Selianitis,
  • Hector Katifelis,
  • Maria Gazouli and
  • Stergios Pispas

In this work, we investigate the complexation behavior of poly(oligo(ethylene glycol)methyl methacrylate)-co-poly(2-(diisopropylamino)ethyl methacrylate), P(OEGMA-co-DIPAEMA), hyperbranched polyelectrolyte copolymers, synthesized by reversible additi...

  • Article
  • Open Access
1,801 Views
23 Pages

Anionic Hyperbranched Amphiphilic Polyelectrolytes as Nanocarriers for Antimicrobial Proteins and Peptides

  • Anastasia Balafouti,
  • Aleksander Forys,
  • Barbara Trzebicka,
  • Angelica Maria Gerardos and
  • Stergios Pispas

18 December 2023

This manuscript presents the synthesis of hyperbranched amphiphilic poly (lauryl methacrylate-co-tert-butyl methacrylate-co-methacrylic acid), H-P(LMA-co-tBMA-co-MAA) copolymers via reversible addition fragmentation chain transfer (RAFT) copolymeriza...

  • Article
  • Open Access
1 Citations
1,398 Views
16 Pages

6 March 2025

Stimuli-responsive polymeric nanostructures are compelling vectors for a wide range of application opportunities. The objective we sought was to broaden the array of self-assembling amphiphilic copolymers with stimuli-responsive characteristics by in...

  • Article
  • Open Access
8 Citations
8,291 Views
15 Pages

20 April 2017

A series of PDLLA-PEG1k-PDLLA tri-block co-polymers with various compositions, i.e., containing 2–10 lactoyl units, were prepared via ring opening polymerisation of d,l-lactide in the presence of poly (ethylene glycol) (PEG) (Mn = 1000 g·mol−1) as th...

  • Review
  • Open Access
13 Citations
5,073 Views
25 Pages

Using RAFT Polymerization Methodologies to Create Branched and Nanogel-Type Copolymers

  • Athanasios Skandalis,
  • Theodore Sentoukas,
  • Dimitrios Selianitis,
  • Anastasia Balafouti and
  • Stergios Pispas

23 April 2024

This review aims to highlight the most recent advances in the field of the synthesis of branched copolymers and nanogels using reversible addition-fragmentation chain transfer (RAFT) polymerization. RAFT polymerization is a reversible deactivation ra...

  • Article
  • Open Access
4 Citations
2,276 Views
15 Pages

28 October 2023

Polymers, including non-linear copolymers, have great potential in the development of drug delivery systems with many advantages, but the design requires optimizing polymer–drug interactions. Molecular dynamics (MD) simulations can provide insi...

  • Article
  • Open Access
1 Citations
606 Views
23 Pages

3 September 2025

This research seeks to reduce wind-blown sand hazards in saline deserts by introducing hyperbranched PVAc copolymer emulsion as a novel ecological sand-fixing material. The study began with the preparation of the emulsion, then evaluated its fundamen...

  • Review
  • Open Access
76 Citations
12,455 Views
58 Pages

Polyglycerol Hyperbranched Polyesters: Synthesis, Properties and Pharmaceutical and Biomedical Applications

  • Alexandra Zamboulis,
  • Eirini A. Nakiou,
  • Evi Christodoulou,
  • Dimitrios N. Bikiaris,
  • Eleana Kontonasaki,
  • Liliana Liverani and
  • Aldo R. Boccaccini

9 December 2019

In a century when environmental pollution is a major issue, polymers issued from bio-based monomers have gained important interest, as they are expected to be environment-friendly, and biocompatible, with non-toxic degradation products. In parallel,...

  • Article
  • Open Access
84 Citations
13,155 Views
16 Pages

15 February 2017

Recently, new methods have been developed for the utilization of elemental sulfur as a feedstock for novel polymeric materials. One promising method is the inverse vulcanization, which is used to prepare polymeric structures derived from sulfur and d...

  • Review
  • Open Access
1 Citations
1,690 Views
23 Pages

3 August 2025

The development of biodegradable nanocarriers has long been a priority for researchers and medical professionals in the realm of drug delivery. Because of their inherent benefits, which include superior biocompatibility, customizable degradability, e...

  • Article
  • Open Access
4 Citations
1,969 Views
12 Pages

Thin Cationic Polymer Coatings against Foodborne Infections

  • Yuliya K. Yushina,
  • Andrey V. Sybachin,
  • Oksana A. Kuznecova,
  • Anastasia A. Semenova,
  • Eteri R. Tolordava,
  • Vladislava A. Pigareva,
  • Anastasiya V. Bolshakova,
  • Vyacheslav M. Misin,
  • Alexey A. Zezin and
  • Maksim D. Reshchikov
  • + 4 authors

8 August 2023

Biocidal coatings are known to minimize or terminate development of bacterial and fungicidal infections. In this paper, biocidal activity of seven cationic (co)polymers with amino groups—polyethyleneimine, polyallylamine, polydiallyldimethylamm...

  • Article
  • Open Access
9 Citations
5,497 Views
13 Pages

Pamidronate-Conjugated Biodegradable Branched Copolyester Carriers: Synthesis and Characterization

  • Ewa Oledzka,
  • Dagmara Pachowska,
  • Katarzyna Orłowska,
  • Joanna Kolmas,
  • Agata Drobniewska,
  • Ramona Figat and
  • Marcin Sobczak

The need for development of comprehensive therapeutic systems, (e.g., polymer-apatite composites) as a bone substitute material has previously been highlighted in many scientific reports. The aim of this study was to develop a new multifunctional com...

  • Article
  • Open Access
10 Citations
5,938 Views
15 Pages

6 February 2020

A series of new hyperbranched aliphatic poly(β-thioether ester)s were prepared by the enzymatic ring-opening polycondensation of 1,4-oxathiepan-7-one (OTO) and AB2/ABB’ comonomer with acid-labile β-thiopropionate groups. Two kinds of...

  • Article
  • Open Access
14 Citations
9,457 Views
15 Pages

Thermoresponsive and Reducible Hyperbranched Polymers Synthesized by RAFT Polymerisation

  • Anna Tochwin,
  • Alaa El-Betany,
  • Hongyun Tai,
  • Kai Yu Chan,
  • Chester Blackburn and
  • Wenxin Wang

13 September 2017

Here, we report the synthesis of new thermoresponsive hyperbranched polymers (HBPs) via one-pot reversible addition-fragmentation chain transfer (RAFT) copolymerisation of poly(ethylene glycol)methyl ether methacrylate (PEGMEMA, Mn = 475 g/mol), poly...

  • Article
  • Open Access
10 Citations
3,339 Views
16 Pages

Efficient and Low Cytotoxicity Gene Carriers Based on Amine-Functionalized Polyvinylpyrrolidone

  • Anselmo Del Prado,
  • Ana Civantos,
  • Enrique Martínez-Campos,
  • Pavel A. Levkin,
  • Helmut Reinecke,
  • Alberto Gallardo and
  • Carlos Elvira

17 November 2020

Non-viral vectors are a safety tool for gene therapy to deliver therapeutic genes. Among the different non-viral vectors, polyvinylpyrrolidone (PVP), a well-known hydrosoluble, neutral, and non-toxic polymer, satisfies the requirements and becomes a...

  • Review
  • Open Access
47 Citations
5,895 Views
19 Pages

Unimolecular polymeric micelles are a class of single-molecule amphiphilic core-shell polymeric architectures, where the hydrophobic core is well stabilized by the hydrophilic shell, avoiding intermolecular core-core interactions. Multi-arm copolymer...

  • Article
  • Open Access
25 Citations
7,577 Views
17 Pages

Synthesis of Poly (Citric Acid-Co-Glycerol) and Its Application as an Inhibitor of CaCO3 Deposition

  • Hala Zahlan,
  • Waseem Sharaf Saeed,
  • Radwan Alrasheed,
  • Naser M. Alandes and
  • Taieb Aouak

19 November 2019

This investigation determined a feasible route to prepare hyperbranched polyesters involving citric acid (CA) and glycerol (GLC) monomers (CA-co-GLC) using a thermal polycondensation method. The synthesized copolymer was characterized using Fourier t...

  • Article
  • Open Access
3 Citations
2,114 Views
17 Pages

31 October 2023

This study focuses on the development of new biocompatible and biodegradable particle gel scaffolds based on PCL-HBPG/1SiHBPG triblock copolymers composed of a polycaprolactone (PCL) core and two outer blocks of trimethoxysilyl end-capped hyperbranch...

  • Article
  • Open Access
3 Citations
1,730 Views
26 Pages

A Comparative Study of Two Synthesis Methods for Poly(Acrylic Acid-Co-Acrylamide) Incorporating a Hyperbranched Star-Shaped Monomer

  • Ramses S. Meleán Brito,
  • Agustín Iborra,
  • Juan M. Padró,
  • Cristian Villa-Pérez,
  • Miriam C. Strumia,
  • Facundo Mattea,
  • Juan M. Giussi and
  • Juan M. Milanesio

1 April 2025

The synthesis of poly(acrylic acid-co-acrylamide) was investigated to enhance its rheological properties. Syntheses were conducted in both aqueous and supercritical fluid media, with and without the incorporation of a novel star-shaped macromonomer....

  • Review
  • Open Access
5 Citations
3,854 Views
11 Pages

1 April 2020

High-internal-phase emulsion-templated macroporous polymers (polyHIPEs) have attracted much interest, but their surface functionalization remains a primary concern. Thus, competitive surface functionalization via physical self-assembly of macrosurfac...

  • Review
  • Open Access
6 Citations
5,936 Views
27 Pages

27 August 2021

The review summarizes the research carried out in the Laboratory of Nano- and Microstructural Materials at the Centre of Polymer and Carbon Materials, Polish Academy of Sciences (CMPW PAS). Studies carried out for many years under the guidance of Pro...

  • Article
  • Open Access
6 Citations
2,902 Views
18 Pages

8 May 2024

This manuscript serves as the starting point for in-depth research of multicomponent, statistical, methacrylate-based copolymers that potentially mimic the behavior of proteins in aqueous solutions. These synthetic macromolecules are composed of spec...

  • Article
  • Open Access
34 Citations
6,220 Views
13 Pages

9 December 2016

To address the problem regarding poor shear resistance of commonly employed polymers for oil displacement, modified nano-SiO2/AA/AM copolymer (HPMNS) oil displacement agents were synthesized using acrylic acid (AA), acrylamide (AM), and modified nano...

  • Article
  • Open Access
25 Citations
4,798 Views
16 Pages

Synthesis, Characterization and Cytotoxicity of Novel Thermoresponsive Star Copolymers of N,N′-Dimethylaminoethyl Methacrylate and Hydroxyl-Bearing Oligo(Ethylene Glycol) Methacrylate

  • Barbara Mendrek,
  • Agnieszka Fus,
  • Katarzyna Klarzyńska,
  • Aleksander L. Sieroń,
  • Mario Smet,
  • Agnieszka Kowalczuk and
  • Andrzej Dworak

12 November 2018

Novel, nontoxic star copolymers of N,N-dimethylaminoethyl methacrylate (DMAEMA) and hydroxyl-bearing oligo(ethylene glycol) methacrylate (OEGMA-OH) were synthesized via atom transfer radical polymerization (ATRP) using hyperbranched poly(arylene oxin...

  • Article
  • Open Access
5 Citations
2,820 Views
12 Pages

6 August 2021

In this manuscript, the graphene oxide (GO) was modified by hyper-branched polyester (HBP). The effects of GO or modified GO (HBP-m-GO) on the mechanical performance and wearing properties were investigated. The results of X-ray photoelectron spectra...

  • Review
  • Open Access
50 Citations
15,197 Views
18 Pages

2 December 2011

Quantum dots (QDs) are nanometer-sized semiconductor particles with tunable fluorescent optical property that can be adjusted by their chemical composition, size, or shape. In the past 10 years, they have been demonstrated as a powerful fluorescence...

  • Article
  • Open Access
9 Citations
3,066 Views
32 Pages

22 March 2024

Polyurethane elastomers are among the most versatile classes of industrial polymers—typically achieved through a two-step synthesis of segmented block copolymers, comprising very long and soft segments that provide elasticity and significantly...

  • Article
  • Open Access
11 Citations
4,182 Views
15 Pages

24 September 2021

In this study, a series of crosslinked membranes were prepared as solid polymer electrolytes (SPEs) for all-solid-state lithium ion batteries (ASSLIBs). An epoxy-containing copolymer (glycidyl methacrylate-co-poly(ethylene glycol) methyl ether methac...