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Adv Colloid Interface Sci 2021 Jun 9;294:102465. Epub 2021 Jun 9.

State Key Laboratory of Frozen Soil Engineering, Beilu'He Observation and Research Station on Tibetan Plateau, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China; Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN 47907, USA; Center for Permafrost (CENPERM), University of Copenhagen, DK1350 Copenhagen, Denmark.

The physical behaviors of water in the interface are the fundamental to discovering the engineering properties and environmental effects of aqueous porous media (e.g., soils). Read More

Adv Colloid Interface Sci 2021 May 27;294:102453. Epub 2021 May 27.

Department of Chemical Engineering, Indian Institute of Technology Guwahati, Assam 781039, India; Centre for Nanotechnology, Indian Institute of Technology Guwahati, Assam 781039, India. Electronic address:

Over the past century, rapid miniaturization of technologies has helped in the development of efficient, flexible, portable, robust, and compact applications with minimal wastage of materials. In this direction, of late, the usage of mesoscale liquid droplets has emerged as an alternative platform because of the following advantages: (i) a droplet is incompressible and at the same time deformable, (ii) interfacial area of a spherical droplet is minimum for a given amount of mass; and (iii) a droplet interface allows facile mass, momentum, and energy transfer. Subsequently, such attributes have aided towards the design of diverse droplet-based microfluidic technologies. Read More

Adv Colloid Interface Sci 2021 May 1;294:102407. Epub 2021 May 1.

Harangoutte Institute, 68160 Ste Croix-aux-Mines, France.

After the protocol-related indecisive clinical trial of Oxygent, a perfluorooctylbromide/phospholipid nanoemulsion, in cardiac surgery, that often unduly assigned the observed untoward effects to the product, the development of perfluorocarbon (PFC)-based O nanoemulsions ("blood substitutes") has come to a low. Yet, significant further demonstrations of PFC O-delivery efficacy have continuously been reported, such as relief of hypoxia after myocardial infarction or stroke; protection of vital organs during surgery; potentiation of O-dependent cancer therapies, including radio-, photodynamic-, chemo- and immunotherapies; regeneration of damaged nerve, bone or cartilage; preservation of organ grafts destined for transplantation; and control of gas supply in tissue engineering and biotechnological productions. PFC colloids capable of augmenting O delivery include primarily injectable PFC nanoemulsions, microbubbles and phase-shift nanoemulsions. Read More

Adv Colloid Interface Sci 2021 May 17;294:102442. Epub 2021 May 17.

Leibniz-Institut für Polymerforschung Dresden e.V, Hohe Straße 6, Dresden 01069, Germany; Max-Planck-Institut für Polymerforschung, Ackermannweg 10, Mainz 55128, Germany. Electronic address:

Densely packed polymer chains grafted to a substrate, especially polymer brushes, have been studied intensively. Of special interest are systems that react to changes in external conditions or"remember" previous conditions. With this focus, we explore the properties of PNiPAAm brushes and relate published work to own results. Read More

Adv Colloid Interface Sci 2021 May 31;294:102456. Epub 2021 May 31.

MTA-SZTE Lendület Biocolloids Research Group, Interdisciplinary Excellence Center, Department of Physical Chemistry and Materials Science, University of Szeged, 1 Rerrich Béla tér, 6720 Szeged, Hungary. Electronic address:

Homoaggregation of dispersed particles, i.e., aggregation of particles of the same shape, charge, size, and composition, is a well-studied field and various theoretical and experimental approaches exist to understand the major phenomena involved in such processes. Read More

Adv Colloid Interface Sci 2021 May 27;294:102454. Epub 2021 May 27.

Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University in Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic.

Efforts to widen the scope of ionic liquids applications across diverse research areas have flourished in the last two decades with developments in understanding and tailoring their physical, chemical, and biological properties. The promising applications of ionic liquids-based materials as antimicrobial systems is due to their ability and flexibility to be tailored in varying sizes, morphologies, and surface charges. Ionic liquids are also considered as greener materials. Read More

Adv Colloid Interface Sci 2021 May 30;294:102455. Epub 2021 May 30.

Ugelstad Laboratory, Norwegian University of Science and Technology, 7491 Trondheim, Norway; Anvendt Teknologi AS, Munkvollvegen 56, 7022 Trondheim, Norway.

Water is co-produced with crude oils, generally in the form of water-in-crude oil emulsions. The oil and water phases need to be separated before export. Separation is performed in gravity separators with the addition of chemical demulsifiers and, sometimes, with the application of an electric field by using an electrocoalescer. Read More

Adv Colloid Interface Sci 2021 May 25;294:102451. Epub 2021 May 25.

Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, 20-031 Lublin, Poland.

In recent decades synthetic polymers have gained increasing popularity, and nowadays they are an integral part of people's daily lives. In addition, owing to their competitive advantage and being susceptible to modification, polymers have stimulated the fast development of innovative technologies in many areas of science. Biopolymers are of particular interest in various branches of medicine, such as implantology of bones, cartilage and skin tissues as well as blood vessels. Read More

Adv Colloid Interface Sci 2021 May 21;294:102450. Epub 2021 May 21.

School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; Department of Mechanical Engineering, Center for Nanotechnology in Renewable Energies, Ferdowsi University of Mashhad, Mashhad, Iran.

The enhancement of heat transfer between parallel surfaces, including parallel plates, parallel disks, and two concentric pipes, is vital because of their wide applications ranging from lubrication systems to water purification processes. Various techniques can be utilized to enhance heat transfer in such systems. Adding nanoparticles to the conventional working fluids is an effective solution that could remarkably enhance the heat transfer rate. Read More

Adv Colloid Interface Sci 2021 May 10;293:102439. Epub 2021 May 10.

IEC Group, ISIRYM, Universitat Politècnica de València, Camí de Vera s/n, 46022, P.O. Box 22012, València E-46071, Spain. Electronic address:

Electrodialysis is mostly used for drinking water production but it has gained applicability in different new fields in recent decades. Membrane characteristics and ion transport properties strongly influence the efficiency of electrodialysis and must be evaluated to avoid an intense energy consumption and ensure long membrane times of usage. To this aim, conducting studies on ion transport across membranes is essential. Read More

Adv Colloid Interface Sci 2021 May 19;293:102441. Epub 2021 May 19.

Center for Integrative Petroleum Research, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Saudi Arabia. Electronic address:

Magnetic surfactants are a special class of surfactants with magneto-responsive properties. These surfactants possess lower critical micelle concentrations and are more effective in reducing surface tension as compared to conventional surfactants. Such surfactants' ability to manipulate self-assembly in a controlled way by tuning the magnetic field makes them an attractive choice for several applications, including drug delivery, catalysis, separation, oilfield, and water treatment. Read More

Adv Colloid Interface Sci 2021 May 18;293:102449. Epub 2021 May 18.

Department of Petroleum Engineering, College of Engineering and Applied Science, University of Wyoming, 1000 E. University Avenue, Laramie, WY 82071-2000, USA. Electronic address:

Nearly half of the world's oil reserves are found in carbonate reservoirs, which have heterogeneous formation characteristics and are naturally fractured. Because of the permeability contrast between the matrix and fracture network in these reservoirs, primary and secondary oil recovery processes are ineffective. Consequently, there has been a growing interest in enhanced oil recovery (EOR) from fractured carbonate reservoirs (FCRs) over the past years and many successful attempts have involved the use of different thermal or non-thermal EOR methods to improve oil recovery. Read More

Adv Colloid Interface Sci 2021 May 8;293:102436. Epub 2021 May 8.

Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark N J 07102, USA.

Recently, three-dimensional (3D) printing (also known as additive manufacturing) has received unprecedented consideration in various fields owing to many advantages compared to conventional manufacturing equipment such as reduced fabrication time, one-step production, and the ability for rapid prototyping. This promising technology, as the next manufacturing revolution and universal industrial method, allows the user to fabricate desired 3D objects using a layer-by-layer deposition of material and a 3D printer. Alginate, a versatile polysaccharide derived from seaweed, is popularly used for this advanced bio-fabrication technique due to its printability, biodegradability, biocompatibility, excellent availability, low degree of toxicity, being a relatively inexpensive, rapid gelation in the presence of Ca divalent, and having fascinating chemical structure. Read More

Adv Colloid Interface Sci 2021 May 8;293:102438. Epub 2021 May 8.

Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico. Electronic address:

The synergistic integration of bio-catalysis engineering with nanostructured materials, as unique multifunctional carrier matrices, has emerged as a new interface of nanobiocatalysis (NBC). NBC is an emerging innovation that offers significant considerations to expand the designing and fabrication of robust catalysts at the nanoscale with improved catalytic characteristics for multipurpose bioprocessing applications. In addition, nanostructured materials with unique structural, physical, chemical, and functional entities have manifested significant contributions in mimicking the enzyme microenvironment. Read More

Adv Colloid Interface Sci 2021 May 11;293:102437. Epub 2021 May 11.

University of Milano-Bicocca, Department of Biotechnology and Bioscience, Piazza della Scienza 2, 20126 Milano, Italy. Electronic address:

The role of cosmetic products is rapidly evolving in our society, with their use increasingly seen as an essential contribution to personal wellness. This suggests the necessity of a detailed elucidation of the use of nanoparticles (NPs) in cosmetics. The aim of the present work is to offer a critical and comprehensive review discussing the impact of exploiting nanomaterials in advanced cosmetic formulations, emphasizing the beneficial effects of their extensive use in next-generation products despite a persisting prejudice around the application of nanotechnology in cosmetics. Read More

Adv Colloid Interface Sci 2021 May 6;293:102434. Epub 2021 May 6.

Institut Laue - Langevin, 71 Avenue des Martyrs, 38000 Grenoble, France.

This review focuses on the description of the structure and composition of a variety of Langmuir monolayers (LMs) deposited at the air/water interface by using ellipsometry, Brewster Angle microscopy and scattering techniques, mainly neutron and X-ray reflectometry. Since the first experiment done by Angels Pockels with a homemade trough in her home kitchen until today, LMs of different materials have been extensively studied providing not only relevant model systems in biology, physics and chemistry but also precursors of novel materials via their deposition on solid substrates. There is a vast amount of surface-active materials that can form LMs and, therefore, far from a revision of the state-of-the-art, we will emphasize here: (i) some fundamental aspects to understand the physics behind the molecular deposition at the air/water interface; (ii) the advantages in using in situ techniques, such as reflectometry or ellipsometry, to resolve the interfacial architecture and conformation of molecular films; and, finally, (iii) a summary of several systems that have certain interest from the experimental or conceptual point of view. Read More

Adv Colloid Interface Sci 2021 May 12;293:102440. Epub 2021 May 12.

Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Science and Natural Resources, Gorgan, Iran. Electronic address:

Employing new strategies to develop novel composite systems has become a popular area of interest among researchers. Raising people's awareness and their attention to the health and safety issues are key parameters to achieve this purpose. One of the recommended strategies is the utilization of nanoparticles within the matrix of composite materials to improve their physical, mechanical, structural and antimicrobial characteristics. Read More

Adv Colloid Interface Sci 2021 Jun 29;292:102435. Epub 2021 Apr 29.

Department of Mechanical Engineering, University of Hawaii at Manoa, Honolulu, HI 96822, United States; Department of Pediatrics, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96826, United States. Electronic address:

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus responsible for the novel coronavirus disease 2019 (COVID-19), has caused a global pandemic on a scale not seen for over a century. Increasing evidence suggests that respiratory droplets and aerosols are likely the most common route of transmission for SARS-CoV-2. Since the virus can be spread by presymptomatic and asymptomatic individuals, universal face masking has been recommended as a straightforward and low-cost strategy to mitigate virus transmission. Read More

Adv Colloid Interface Sci 2021 Jun 17;292:102421. Epub 2021 Apr 17.

Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University in Lublin, Maria Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland.

The adsorption of Zonyl FSN-100 (FSN100, having an average 14 oxyethylene units and 6 -CF groups) and Zonyl FSO-100 (FSO100, having an average 10 oxyethylene units and 5 -CF groups) as well as of their mixtures with p-(1,1,3,3-tetramethylbutyl) phenoxypoly(ethylene glycols) having 10, 16 and 8 oxyethylene groups in molecule (TX100, TX165, TX114) and cetyltrimethylammonium bromide (CTAB) at the solution-air and polytetrafluoroethylene (PTFE)-solution and polymethyl methacrylate (PMMA)-solution interfaces as well as the composition of the surface mixed layer was discussed based on the literature data. The adsorption properties of nonionic fluorocarbon surfactants were compared to those of the classical ones on the basis of the Gibbs standard free energy of adsorption determined by different ways and the intermolecular interactions of the surfactant molecules through the water phase. The synergetic effect in the reduction of the water surface tension by the mixture of fluorocarbon and classical nonionic surfactant was shown and explained by the comparison of the composition of the mixed surface layer to those in the bulk phase. Read More

Adv Colloid Interface Sci 2021 Jun 15;292:102420. Epub 2021 Apr 15.

Instituto de Carboquímica (ICB-CSIC), Miguel Luesma Castán 4, E-50018 Zaragoza, Spain.

Recently, 3D graphene aerogel has garnered a high interest aiming at benefiting of the excellent properties of graphene in devices for energy storage or environmental remediation. Hydrothermal gelation of GO dispersion is a straightforward method that offers many opportunities for tuning its properties and for processing it to devices. By adjusting hydrothermal gelation and drying conditions, it is possible to tune the density (from ~3 mg cm to ~2 g cm), pore volume, pores size (micro to macropores), pore distribution, surface chemical polarity (hydrophobic or hydrophilic), and electrical conductivity (from ~0. Read More

Adv Colloid Interface Sci 2021 Jun 16;292:102419. Epub 2021 Apr 16.

Wageningen University, Food Process Engineering group, Wageningen, the Netherlands. Electronic address:

Although the discovery of plastic has revolutionized materials used in many industries and by consumers, their non-biodegradable nature has led to one of the greatest problems of our times: plastic waste in the environment. Bioplastics which are biobased and biodegradable, have been suggested as alternatives for their fossil based counterparts, but their properties often do not meet the requirements that standard plastics would, and are in clear need of improvement. One way to do so is by the addition of nanoparticles which, when homogeneously dispersed, have been reported to result in great improvements. Read More

Adv Colloid Interface Sci 2021 Jun 27;292:102432. Epub 2021 Apr 27.

The Research Group of Food Colloids and Nanotechnology, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China. Electronic address:

Nanoencapsulation of hydrophobic nutraceuticals with food ingredients has become one of topical research subjects in food science and pharmaceutical fields. To fabricate food protein-based nano-architectures as nanovehicles is one of effective strategies or approaches to improve water solubility, stability, bioavailability and bioactivities of poorly soluble or hydrophobic nutraceuticals. Milk proteins or their components exhibit a great potential to assemble or co-assemble with other components into a variety of nano-architectures (e. Read More

Adv Colloid Interface Sci 2021 Jun 9;292:102408. Epub 2021 Apr 9.

Key Laboratory of Colloid and Interface Chemistry & Key Laboratory of Special Functional Aggregated Materials (Shandong University), Ministry of Education, Jinan, Jinan 250100, China; State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China. Electronic address:

Since emerging in 1960, the artificial hydrogels have garnered enormous attentions in scientific community due to their high level of similarities to biological soft tissues in both structures and properties. With the proceeding of research, the concern of hydrogels is gradually shifted from fundamental investigation to abundant functionalization. In contrast to the natural soft tissues, the current artificial hydrogels still possess relatively simple structures and unsatisfactory environmental adaptability, extremely limiting their practical applications in complex environments. Read More

Adv Colloid Interface Sci 2021 Mar 3:102398. Epub 2021 Mar 3.

Instituto Politécnico Nacional, CICATA-IPN Querétaro, Cerro Blanco No. 141, Col. Colinas del Cimatario, C.P. 76090 Santiago de Querétaro, Querétaro, Mexico. Electronic address:

Studying the interactions of biopolymers like polysaccharides and proteins is quite important mainly due to the wide number of applications such as the stabilization and encapsulation of active compounds in complex systems. Complexation takes place when materials like proteins and polysaccharides are blended to promote the entrapment of active compounds. The interaction forces between the charged groups in the polymeric chains allow the miscibility of the components in the complex system. Read More

Adv Colloid Interface Sci 2021 Jun 20;292:102415. Epub 2021 Apr 20.

Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, NJ 07102, USA.

3D printing technology has grown exponentially since its introduction due to its ability to print complex structures quickly and simply. The ink used in 3D printers is one of the most discussed areas and a variety of hydrogel-based inks were developed. Carboxymethyl cellulose (CMC) is derived from cellulose, which is a natural, biocompatible, biodegradable, and wildly abounded biopolymer. Read More

Adv Colloid Interface Sci 2021 Jun 17;292:102416. Epub 2021 Apr 17.

Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Science and Natural Resources, Gorgan, Iran. Electronic address:

The unique properties of graphene and graphene oxide (GO) nanocomposites make them suitable for a wide range of medical, industrial, and agricultural applications. The addition of graphene or GO to a polymeric matrix can ameliorate its thermo-mechanical, electrical, and barrier characteristics. The present paper reviews the literature on graphene/GO-based bio-nanocomposites and examines the various fabrication methods, such as chemical vapor deposition, chemical synthesis, microwave synthesis, the solvothermal method, molecular beam epitaxy, and colloidal suspension. Read More

Adv Colloid Interface Sci 2021 May 20;291:102404. Epub 2021 Mar 20.

Department of Chemistry, University of Hull, Hull HU6 7RX, UK.

The area of oil foams although important industrially has received little academic attention until the last decade. The early work using molecular surfactants for stabilisation was limited and as such it is difficult to obtain general rules of thumb. Recently however, interest has grown in the area partly fuelled by the understanding gained in the general area of colloidal particles at fluid interfaces. Read More

Adv Colloid Interface Sci 2021 Apr 3;290:102380. Epub 2021 Feb 3.

Center for MicroElectroMechanics Systems (CMEMS), University of Minho, Campus de Azurém, 4800-058 Guimarães, Portugal.

Ferrite magnetic nanoparticles (FMNPs) are gaining popularity to design biosensors for high-performance clinical diagnosis. The fusion of information shows that FMNPs based biosensors require well-tuned FMNPs as detection probes to produce large and specific biological signals with minimal non-specific binding. Nevertheless, there is a noticeable lacuna of information to solve the issues related to suitable synthesis route, particle size reduction, functionalization, sensitivity towards targeted intercellular biological tiny particles, and lower signal-to-noise ratio. Read More

Adv Colloid Interface Sci 2021 May 29;291:102405. Epub 2021 Mar 29.

Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Science and Natural Resources, Gorgan, Iran. Electronic address:

New packaging materials are an emerging field in the food industry. Poor thermal, mechanical, chemical, and physical properties of biopolymers, and also their inherent permeability to gases and vapor have increased this interest. Biopolymeric materials (matrix) require fillers, which can react/interact with available matrix in order to provide new formulations with improved properties. Read More

Adv Colloid Interface Sci 2021 May 29;291:102406. Epub 2021 Mar 29.

Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Azinhaga Sta. Comba, 3000-548 Coimbra, Portugal; LAQV, REQUIMTE, Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Azinhaga Sta. Comba, 3000-548 Coimbra, Portugal. Electronic address:

The natural world holds useful resources that can be exploited to design effective therapeutic approaches. Ready-to-use tubular nanoclays, such as halloysite clay nanotubes (HNTs), are widely available, cost-effective, and sustainable submicron crystalline materials that have been showing great potential towards chronic multifactorial and malignant diseases, standing out as a promising anticancer nanotherapeutic strategy. Currently, several preclinical studies have reported the application of HNTs in cancer research, diagnosis, monitoring, and therapeutics. Read More