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Nanomaterials
Special Issues
Characterization and Properties of Nanostructures in Liquids and Liquid/Liquid Interfaces
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Characterization and Properties of Nanostructures in Liquids and Liquid/Liquid Interfaces

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: closed (20 May 2025) | Viewed by 3434

Special Issue Editor

Dr. Thibault Roques-Carmes

E-Mail Website
Guest Editor
Laboratoire Réactions et Génie des Procédés, UMR 7274 CNRS, Université de Lorraine, 54000 Nancy, France
Interests: interfaces; surface modification; particles; emulsions; interfacial rheology; wetting and electrowetting; complex fluids; soft matter
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The majority of chemically formulated products contain nanostructures in the liquid bulk and/or at the interfaces. Ice creams, sunscreen lotions, toothpastes, lipsticks, paints, glues, and bituminous binders are some examples. These products are polyphasic systems where several phases (liquid, solid, gas) must coexist, leading to various interfaces. To obtain the specific required end-user properties, a subtle combination of scientific disciplines comes into play: formulation science (colloid chemistry, dispersed systems, surfactants, nanoparticles), chemical engineering (mixing, emulsification processes), rheology (flowing, hydrodynamic and structural characteristic properties), and interfaces (interfacial rheology, particles adsorption, surface tension, wetting). In addition, the behavior of nanoparticles or nano-objects in the liquid bulk and at various interfaces has become a hot topic in this field.

Therefore, the main focus of this Special Issue is on the recent advances in the characterization and properties of nanostructures in liquids and liquid/liquid Interfaces. Research areas may include, but are not exclusive to:

  • Particle-laden interfaces;
  • Protein-laden interface;
  • Emulsions, Pickering emulsions, foams, and gels;
  • The relationship between interfacial and bulk properties;
  • The repartition of nanostructures in liquid systems;
  • The repartition of nanostructures in liquid/liquid systems.

Dr. Thibault Roques-Carmes
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • interfacial rheology
  • rheology
  • emulsions
  • foams
  • gels
  • soft matter
  • colloids
  • surfactants
  • proteins

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Published Papers (3 papers)

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Research

18 pages, 2635 KiB  
Article
Rescaling Flow Curves of Protein-Stabilized Emulsions
by Santiago F. Velandia, Philippe Marchal, Véronique Sadtler, Cécile Lemaitre, Daniel Bonn and Thibault Roques-Carmes
Nanomaterials 2025, 15(9), 650; https://doi.org/10.3390/nano15090650 - 25 Apr 2025
Viewed by 230
Abstract
In this study, we investigate the flow behavior of oil-in-water Pickering emulsions stabilized with bovine serum albumin (BSA). Through the use of a phase transition analogy and scaling parameters previously applied to surfactant-stabilized emulsions, we successfully describe the flow behavior, suggesting remarkable similarity [...] Read more.
In this study, we investigate the flow behavior of oil-in-water Pickering emulsions stabilized with bovine serum albumin (BSA). Through the use of a phase transition analogy and scaling parameters previously applied to surfactant-stabilized emulsions, we successfully describe the flow behavior, suggesting remarkable similarity in the rheology of these emulsion categories. Additionally, we explore the possibility of extending this modeling framework to the oscillatory mode. Above the jamming fraction, the scaled data in the oscillatory regime present a similar trend as the rotational rheology curves. However, upon closer examination of the scaling conditions, it becomes evident that the rescaling does not accurately describe the behavior of G*. Despite this, our findings shed light on the universality of scaling parameters and provide valuable insights into the rheological behavior of these complex fluids. Full article
(This article belongs to the Special Issue Characterization and Properties of Nanostructures in Liquids and Liquid/Liquid Interfaces)
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21 pages, 5788 KiB  
Article
Using Femtosecond Laser Light to Investigate the Concentration- and Size-Dependent Nonlinear Optical Properties of Laser-Ablated CuO Quantum Dots
by Mohamed Ashour, Rasha Ibrahim, Yasmin Abd El-Salam, Fatma Abdel Samad, Alaa Mahmoud and Tarek Mohamed
Nanomaterials 2024, 14(20), 1674; https://doi.org/10.3390/nano14201674 - 18 Oct 2024
Cited by 4 | Viewed by 1062
Abstract
In this work, the nonlinear optical (NLO) properties of CuO nanoparticles (CuO NPs) were studied experimentally using the pulsed laser ablation (PLA) technique. A nanosecond Nd: YAG laser was employed as the ablation excitation source to create CuO NPs in distilled water. Various [...] Read more.
In this work, the nonlinear optical (NLO) properties of CuO nanoparticles (CuO NPs) were studied experimentally using the pulsed laser ablation (PLA) technique. A nanosecond Nd: YAG laser was employed as the ablation excitation source to create CuO NPs in distilled water. Various CuO NPs samples were prepared at ablation periods of 20, 30, and 40 min. Utilizing HR-TEM, the structure of the synthesized CuO NPs samples was verified. In addition, a UV–VIS spectrophotometer was used to investigate the linear features of the samples. The Z-scan technique was utilized to explore the NLO properties of CuO NPs samples, including the nonlinear absorption coefficient (β) and nonlinear refractive index (n2). An experimental study on the NLO features was conducted at a variety of excitation wavelengths (750–850 nm), average excitation powers (0.8–1.2 W), and CuO NPs sample concentrations and sizes. The reverse saturable absorption (RSA) behavior of all CuO NPs samples differed with the excitation wavelength and average excitation power. In addition, the CuO NPs samples demonstrated excellent optical limiters at various excitation wavelengths, with limitations dependent on the size and concentration of CuO NPs. Full article
(This article belongs to the Special Issue Characterization and Properties of Nanostructures in Liquids and Liquid/Liquid Interfaces)
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27 pages, 19012 KiB  
Article
Rheology of Suspensions Thickened by Cellulose Nanocrystals
by Rajinder Pal and Karthika Pattath
Nanomaterials 2024, 14(13), 1122; https://doi.org/10.3390/nano14131122 - 29 Jun 2024
Cited by 4 | Viewed by 1678
Abstract
The steady rheological behavior of suspensions of solid particles thickened by cellulose nanocrystals is investigated. Two different types and sizes of particles are used in the preparation of suspensions, namely, TG hollow spheres of 69 µm in Sauter mean diameter and solospheres S-32 [...] Read more.
The steady rheological behavior of suspensions of solid particles thickened by cellulose nanocrystals is investigated. Two different types and sizes of particles are used in the preparation of suspensions, namely, TG hollow spheres of 69 µm in Sauter mean diameter and solospheres S-32 of 14 µm in Sauter mean diameter. The nanocrystal concentration varies from 0 to 3.5 wt% and the particle concentration varies from 0 to 57.2 vol%. The influence of salt (NaCl) concentration and pH on the rheology of suspensions is also investigated. The suspensions generally exhibit shear-thinning behavior. The degree of shear-thinning is stronger in suspensions of smaller size particles. The experimental viscosity data are adequately described by a power-law model. The variations in power-law parameters (consistency index and flow behavior index) under different conditions are determined and discussed in detail. Full article
(This article belongs to the Special Issue Characterization and Properties of Nanostructures in Liquids and Liquid/Liquid Interfaces)
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