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New Perspectives of Colloids for Biological Applications, 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: 31 December 2026 | Viewed by 733

Special Issue Editor


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Guest Editor
Department of Interfacial Phenomena, Faculty of Chemistry, Maria Curie-Skłodowska University, 20-031 Lublin, Poland
Interests: physico-chemical properties of dispersed systems and their stability; the structure and wettability of the polymer (biopolymer layers); interfacial phenomena; the electrokinetic properties of solid-liquid interface
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Special Issue Information

Dear Colleagues,

This special issue of the International Journal of Molecular Sciences is dedicated to the latest advances in colloid research and colloidal systems. It follows the highly popular first issue, "New Perspectives of Colloids for Biological Applications," and aims to highlight new, compelling research and innovative perspectives being conducted in leading laboratories worldwide.

Our journal is an attractive, open-access publishing platform that focuses primarily on molecular-level research on systems with numerous practical applications, particularly in biology, medicine, and pharmacy. Therefore, preference will be given to articles that highlight the molecular aspects of colloid research. For example, how the production, modification, and application of colloids can be studied and understood through molecular interactions, mechanisms, and advanced molecular characterization techniques to advance science and, above all, improve health and quality of life. We hope that this special issue will make the journal even more attractive to readers.

Prof. Dr. Agnieszka Ewa Wia̧cek
Guest Editor

Manuscript Submission Information

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Keywords

  • colloids
  • emulsions
  • dispersions, stability
  • size distribution
  • zeta potential
  • optical/rheological properties
  • medicine
  • pharmaceuticals
  • cosmetics

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Published Papers (1 paper)

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Research

20 pages, 4044 KB  
Article
Surface Characterization of DPPG Films Modified by Chitosan, Hyaluronic Acid and Titanium Dioxide
by Agata Ładniak, Małgorzata Jurak and Agnieszka E. Wiącek
Int. J. Mol. Sci. 2026, 27(8), 3400; https://doi.org/10.3390/ijms27083400 - 10 Apr 2026
Viewed by 373
Abstract
This study focused on elucidating the effects of chitosan (Ch), hyaluronic acid (HA), and titanium dioxide nanoparticles (nano-TiO2) on the physicochemical characteristics of a model bacterial membrane (layer) composed of the phospholipid DPPG (1,2-dipalmitoyl-sn-glycero-3-phospho-rac-(1-glycerol) sodium salt). The [...] Read more.
This study focused on elucidating the effects of chitosan (Ch), hyaluronic acid (HA), and titanium dioxide nanoparticles (nano-TiO2) on the physicochemical characteristics of a model bacterial membrane (layer) composed of the phospholipid DPPG (1,2-dipalmitoyl-sn-glycero-3-phospho-rac-(1-glycerol) sodium salt). The membrane was prepared on mica using the Langmuir–Blodgett (LB) technique from an aqueous subphase containing Ch, HA and/or TiO2. Its surface properties were subsequently characterized by optical profilometry and surface free energy estimation. The nanoscale topography of the DPPG layer provided a biomimetic platform that reflects the organization of bacterial membranes, enabling a precise evaluation of how external agents, such as Ch, HA, and nano-TiO2, modify the surface’s structural and energetic properties. The results showed that the LB films exhibit mildly heterogeneous topography, which can be attributed to lipid domains with distinct molecular packing densities. Depending on the type of biopolymer employed with TiO2, distinct topographic architectures of the DPPG monolayers were obtained. Furthermore, the presence of nano-TiO2 was clearly manifested as a topographic irregularity, while the analysis of hydrophilic–hydrophobic properties revealed a structurally perturbed lipid film. The results provide detailed insight into how these specific molecules (Ch, HA, nano-TiO2) interact at the molecular level with model bacterial membranes, offering a comprehensive picture of cell–microenvironment interactions. Full article
(This article belongs to the Special Issue New Perspectives of Colloids for Biological Applications, 2nd Edition)
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