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Gels, Volume 9, Issue 5

May 2023 - 80 articles

Cover Story: The general theory is developed for the transient electrophoresis of a colloidal particle in a polymer gel medium. The Laplace transform of the particle electrophoretic mobility with respect to time is derived by considering the long-range hydrodynamic interaction between the particle and the polymer gel medium. According to the obtained Laplace transform, the transient gel electrophoretic mobility approaches the steady gel electrophoretic mobility as time approaches infinity. The present theory covers the transient free-solution electrophoresis. It is shown that the relaxation time for the transient gel mobility to reach its steady value is shorter than that of the transient free-solution mobility and becomes shorter as the Brinkman screening length decreases. View this paper
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Articles (80)

  • Article
  • Open Access
8 Citations
2,103 Views
14 Pages

15 May 2023

An efficient redox initiating system, ceric ammonium nitrate/nitric acid, has been employed for the first time to carry out photo-induced graft copolymerization of acrylonitrile (AN) onto sodium salt of partially carboxymethylated sodium alginate, ha...

  • Protocol
  • Open Access
1 Citations
2,902 Views
14 Pages

A LC-QTOF Method for the Determination of PEGDE Residues in Dermal Fillers

  • Giuseppe Alonci,
  • Anna Boussard,
  • Martina Savona,
  • Fabiana Cordella,
  • Gaetano Angelici,
  • Roberto Mocchi,
  • Sabrina Sommatis and
  • Damiano Monticelli

13 May 2023

Hyaluronic acid is one of the most important ingredients in dermal fillers, where it is often cross-linked to gain more favorable rheological properties and to improve the implant duration. Poly(ethylene glycol) diglycidyl ether (PEGDE) has been rece...

  • Article
  • Open Access
2 Citations
2,424 Views
14 Pages

Dielectric Study on Supramolecular Gels by Fiber Structure Formation from Low-Molecular-Weight Gelator/Water Mixtures

  • Kenta Shimizu,
  • Fumiya Abe,
  • Yasuhiro Kishi,
  • Rio Kita,
  • Naoki Shinyashiki and
  • Shin Yagihara

12 May 2023

There are various types of gel materials used in a wide range of fields, and their gelation mechanisms are extremely diverse. Furthermore, in the case of hydrogels, there exist some difficulties in understanding complicated molecular mechanisms espec...

  • Article
  • Open Access
12 Citations
2,352 Views
17 Pages

12 May 2023

The water absorption measurements of a novel superabsorbent anionic hydrogel, H-Na-PCMSA-g-PAN, has been reported first time in water with a poor conductivity, 0.15 M saline (NaCl, CaCl2, and AlCl3) solutions, and simulated urine (SU) solutions at va...

  • Article
  • Open Access
9 Citations
3,238 Views
19 Pages

Comparison of Different Aerogel Granules for Use as Aggregate in Concrete

  • Torsten Welsch,
  • Yannick Vievers,
  • Martina Schnellenbach-Held,
  • Danny Bialuschewski and
  • Barbara Milow

12 May 2023

In previous work of this group, a structural lightweight concrete was developed by embedding silica aerogel granules in a high-strength cement matrix. This concrete, called high-performance aerogel concrete (HPAC), is a lightweight building material...

  • Article
  • Open Access
3 Citations
3,023 Views
13 Pages

Superhydrophobic/Superoleophilic PDMS/SiO2 Aerogel Fabric Gathering Device for Self-Driven Collection of Floating Viscous Oil

  • Feng Liu,
  • Xin Di,
  • Xiaohan Sun,
  • Xin Wang,
  • Tinghan Yang,
  • Meng Wang,
  • Jian Li,
  • Chengyu Wang and
  • Yudong Li

12 May 2023

The persistent challenge of removing viscous oil on water surfaces continues to pose a major concern and requires immediate attention. Here, a novel solution has been introduced in the form of a superhydrophobic/superoleophilic PDMS/SiO2 aerogel fabr...

  • Article
  • Open Access
12 Citations
3,376 Views
23 Pages

New Photocrosslinked 3D Foamed Scaffolds Based on GelMA Copolymers: Potential Application in Bone Tissue Engineering

  • Jesús L. Pablos,
  • Javier Jiménez-Holguín,
  • Sandra Sánchez Salcedo,
  • Antonio J. Salinas,
  • Teresa Corrales and
  • María Vallet-Regí

11 May 2023

The production of customized polymeric hydrogels in the form of 3D scaffolds with application in bone tissue engineering is currently a topic of great interest. Based on gelatin methacryloyl (GelMa) as one of the most popular used biomaterials, GelMa...

  • Article
  • Open Access
4 Citations
2,307 Views
16 Pages

Probing the Effect of Young’s Modulus on the Reservoir Regulation Abilities of Dispersed Particle Gels

  • Zizhao Wang,
  • Zhixuan Zhu,
  • Tianyu Jiang,
  • Jinming Liu,
  • Yunbo Dong,
  • Yining Wu,
  • Mingwei Zhao,
  • Caili Dai and
  • Lin Li

11 May 2023

The mechanical strength of dispersed particle gels (DPGs), which can be directly characterized by Young’s modulus, is an important parameter affecting reservoir regulation performance. However, the effect of reservoir conditions on the mechanic...

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Gels - ISSN 2310-2861