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Development, Characterization and Applications of Novel Polymeric Materials and Composites: 2nd Edition

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: 20 June 2026 | Viewed by 804

Special Issue Editors


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Faculty of Medical Engineering, University POLITEHNICA of Bucharest, RO-011061 Bucharest, Romania
Interests: cellular and molecular biology; physiology and pathology; diagnosis and therapy
Special Issues, Collections and Topics in MDPI journals
Department of Physics and Astronomy, College of Science and Mathematics, Rowan University, Glassboro, NJ 08028, USA
Interests: polymer; biomaterials; biomacromolecules; regenerative medicine; drug delivery; nanotechnology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The development in the fields of biotechnologies, from molecular biology to diagnosis and treatment, has had an exponential evolution in the last decades. This has led to an increasing fragmentation of science, with the decrease in the capacity for interdisciplinarity with the decrease in the capacity to use the results for concrete social and commercial purposes, such as diagnosis and the therapy of various pathologies. To overcome this barrier, it is necessary to develop new skills for presenting one's own results, through the lens of presenting the potential impact along with the problems that still need to be solved to achieve the goals.

In this sense, we propose catalyzing an effort to present experimental or theoretical model research activities in the field of polymeric or composite materials, in a way that identifies as many interdisciplinary bridges as possible, starting from the idea of development and characterization to be exploited by the scientific and economic community through diagnostic and therapeutic applications.

For this objective, we want to reach the following targets:

  • Theoretical models;
  • Molecular simulations;
  • New polymers;
  • New composite materials;
  • Characterization of the proposed materials;
  • New applications of existing polymer materials and composites;
  • Diagnostic and therapeutic applications.

Dr. Daniel Dumitru Banciu
Dr. Xiao Hu
Guest Editors

Manuscript Submission Information

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Keywords

  • diagnosis
  • therapy
  • polymers
  • composite materials
  • theoretical model

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Published Papers (1 paper)

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Research

16 pages, 4781 KB  
Article
Ultrasound-Regulated Molecular Reorganization and Property Enhancement in Gelatin–Glycerol Films
by Dhruvi Parmar and Xiao Hu
Int. J. Mol. Sci. 2026, 27(5), 2469; https://doi.org/10.3390/ijms27052469 - 7 Mar 2026
Viewed by 453
Abstract
The replacement of petroleum-based plastics with sustainable and biodegradable materials remains a critical challenge for food packaging and biomedical applications. Gelatin is an attractive natural biopolymer for film fabrication; however, its inherent brittleness, moisture sensitivity, and limited structural stability restrict practical use. In [...] Read more.
The replacement of petroleum-based plastics with sustainable and biodegradable materials remains a critical challenge for food packaging and biomedical applications. Gelatin is an attractive natural biopolymer for film fabrication; however, its inherent brittleness, moisture sensitivity, and limited structural stability restrict practical use. In this work, for the first time, low-power direct-probe ultrasonication is introduced as a green and additive-free strategy to regulate molecular organization and enhance the performance of gelatin–glycerol composite films. Systematic variation in ultrasonic power and treatment duration revealed a strong dependence of film structure and properties on processing conditions. Low-power ultrasonication (20 W) promoted gelatin–glycerol interactions, induced a transition from loosely organized molecular arrangements to helix-like molecular packing at the nanometer scale, and produced smooth, compact microscale surface morphologies. As a result, these films exhibited enhanced hydrophilicity, reduced surface defects, and improved thermal stability. In contrast, high-power ultrasonication generated excessive cavitation, leading to large-scale porous structures and diminished thermal and surface performance. Therefore, this work identifies a distinct low-power ultrasonic window that enables controlled molecular reorganization and hierarchical structure formation in gelatin–glycerol systems. Structural and physicochemical analyses using SEM, FTIR, XRD, water contact angle measurements, and thermogravimetric analysis collectively elucidate the ultrasound-driven structure–property relationships within the gelatin–glycerol matrix. Overall, this study demonstrates that controlled ultrasonication enables precise tuning of gelatin-based film architecture and properties, offering a scalable and environmentally friendly route to high-performance biodegradable materials for sustainable packaging and biomedical applications. Full article
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