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Gels, Volume 8, Issue 5

May 2022 - 78 articles

Cover Story: Silver nanoparticles (AgNPs) are frequently incorporated into hydrogels to obtain materials with excellent antibacterial properties with applications in wound healing or periodontitis treatment. The addition of pre-formed AgNPs to hydrogels allows for accurate control of silver content and uniform particle distribution. PVA–chitosan composite hydrogels with embedded AgNPs were prepared via double-cross-linking procedures: freeze thawing and electrostatic interactions induced by oxalic acid (OA). OA was used both for the solubilization of chitosan and for creating cross-links through electrostatic interactions and hydrogen bonds. Chitosan-stabilizing AgNPs contributed to the fixation and retention of the nanoparticles in the hydrogel due to having the same physical interactions with OA. View this paper
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Articles (78)

  • Article
  • Open Access
7 Citations
4,552 Views
11 Pages

23 May 2022

Fillers based on crosslinked hyaluronic acid (HA) are becoming increasingly important in the field of aesthetic medicine, for example for treating wrinkles or for volumizing purposes. However, crosslinking agents are usually associated with toxicity...

  • Article
  • Open Access
14 Citations
3,068 Views
9 Pages

23 May 2022

To explore the effect and mechanism of bivalent ion doping on yttrium iron garnet (YIG), Zn-YIG (Zn-doped YIG) nanoparticles with a size of 60~70 nm were prepared by the sol-gel method. It was proven that Zn ion doping resulted in lattice expansion a...

  • Article
  • Open Access
11 Citations
3,860 Views
13 Pages

23 May 2022

In the field of actuator materials, hydrogels that undergo large volume changes in response to external stimuli have been developed for a variety of promising applications. However, most conventional hydrogels are brittle and therefore rupture when t...

  • Review
  • Open Access
194 Citations
17,810 Views
35 Pages

Recent Advancements in Materials and Coatings for Biomedical Implants

  • Kamalan Kirubaharan Amirtharaj Mosas,
  • Ashok Raja Chandrasekar,
  • Arish Dasan,
  • Amirhossein Pakseresht and
  • Dušan Galusek

21 May 2022

Metallic materials such as stainless steel (SS), titanium (Ti), magnesium (Mg) alloys, and cobalt-chromium (Co-Cr) alloys are widely used as biomaterials for implant applications. Metallic implants sometimes fail in surgeries due to inadequate biocom...

  • Article
  • Open Access
21 Citations
3,347 Views
18 Pages

20 May 2022

Filtration loss control under high-temperature conditions is a worldwide issue among water-based drilling fluids (WBDFs). A core–shell high-temperature filter reducer (PAASM-CaCO3) that combines organic macromolecules with inorganic nanomateria...

  • Article
  • Open Access
16 Citations
4,597 Views
15 Pages

20 May 2022

To synthesize a biodegradable alternative to spherical polyacrylic acid absorbent resin, spherical hydrogel particles were prepared from carboxymethyl cellulose (CMC) dissolved in an aqueous solution, using ethylene glycol diglycidyl ether (EGDE) as...

  • Article
  • Open Access
9 Citations
3,612 Views
12 Pages

Thermal Insulation Performance of SiC-Doped Silica Aerogels under Large Temperature and Air Pressure Differences

  • Sheng-Nan Zhang,
  • Hao-Qiang Pang,
  • Ting-Hui Fan,
  • Qing Ye,
  • Qi-Lin Cai and
  • Xi Wu

20 May 2022

Silica aerogel composite is an excellent thermal insulator for spacecraft under high-temperature and complex air environments. This study intends to evaluate SiC-doped silica aerogel’s thermal insulation performance under large temperature and...

  • Article
  • Open Access
15 Citations
3,941 Views
15 Pages

20 May 2022

Photothermal therapy (PTT) is a promising local therapy playing an increasingly important role in tumor treatment. To maximize PTT efficacy, various near-infrared photoabsorbers have been developed. Among them, metal sulfides have attracted considera...

  • Article
  • Open Access
20 Citations
5,013 Views
19 Pages

19 May 2022

The development of an effective gel capable of treating eczema remains a challenge in medicine. Because of its greater retention in the affected area, good absorption of wound exudates, and induction of cell growth, nanogel is widely investigated as...

  • Article
  • Open Access
37 Citations
5,249 Views
14 Pages

Evaluation of Structural Behavior in the Process Dynamics of Oleogel-Based Tender Dough Products

  • Anda E. Tanislav,
  • Andreea Pușcaș,
  • Adriana Păucean,
  • Andruța E. Mureșan,
  • Cristina A. Semeniuc,
  • Vlad Mureșan and
  • Elena Mudura

19 May 2022

The current trend is represented by replacing solid fats with structured liquid oil while maintaining the plastic properties of food products. In this study, the behavior of refined sunflower oil structured with various agents (carnauba wax-CRW, &bet...

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Gels - ISSN 2310-2861