All Outputs (68)

Water and ions in electrified silica nano-pores: a molecular dynamics study (2024)
Journal Article
Tavakol, M., & Voïtchovsky, K. (2024). Water and ions in electrified silica nano-pores: a molecular dynamics study. Physical Chemistry Chemical Physics, 26(33), 22062-22072. https://doi.org/10.1039/d4cp00750f

Solid–liquid interfaces (SLIs) are ubiquitous in science and technology from the development of energy storage devices to the chemical reactions occurring in the biological milieu. In systems involving aqueous saline solutions as the liquid, both the... Read More about Water and ions in electrified silica nano-pores: a molecular dynamics study.

Local probing of the nanoscale hydration landscape of kaolinite basal facets in the presence of ions (2024)
Journal Article
Cafolla, C., Bui, T., Bao Le, T. T., Zen, A., Tay, W. J., Striolo, A., Michaelides, A., Greenwell, H. C., & Voïtchovsky, K. (2024). Local probing of the nanoscale hydration landscape of kaolinite basal facets in the presence of ions. Materials Today Physics, 46, Article 101504. https://doi.org/10.1016/j.mtphys.2024.101504

The interface between aqueous solutions and the facets of kaolinite plays an important role in a wide range of technological applications including tribology, paper production, oil recovery, waste water treatment and medical devices. This is made pos... Read More about Local probing of the nanoscale hydration landscape of kaolinite basal facets in the presence of ions.

Towards local tracking of solvated metal ions at solid-liquid interfaces (2024)
Journal Article
Trewby, W., Tavakol, M., Jaques, Y. M., & Voïtchovsky, K. (2024). Towards local tracking of solvated metal ions at solid-liquid interfaces. Materials Today Physics, 44, Article 101441. https://doi.org/10.1016/j.mtphys.2024.101441

The dynamics of individual solvated ions near solid surfaces is the driving force behind numerous interfacial processes, from electrochemical reactions to charge storage, mineral growth, biosignalling and bioenergetics. The precise system behaviour i... Read More about Towards local tracking of solvated metal ions at solid-liquid interfaces.

Quantitative Detection of Biological Nanovesicles in Drops of Saliva Using Microcantilevers (2023)
Journal Article
Cafolla, C., Philpott-Robson, J., Elbourne, A., & Voïtchovsky, K. (2024). Quantitative Detection of Biological Nanovesicles in Drops of Saliva Using Microcantilevers. ACS Applied Materials and Interfaces, 16(1), 44-53. https://doi.org/10.1021/acsami.3c12035

Extracellular nanovesicles (EVs) are lipid-based vesicles secreted by cells and are present in all bodily fluids. They play a central role in communication between distant cells and have been proposed as potential indicators for the early detection o... Read More about Quantitative Detection of Biological Nanovesicles in Drops of Saliva Using Microcantilevers.

Ions Adsorbed at Amorphous Solid/Solution Interfaces Form Wigner Crystal-like Structures. (2023)
Journal Article
Wang, J., Li, H., Tavakol, M., Serva, A., Nener, B., Parish, G., …Atkin, R. (2024). Ions Adsorbed at Amorphous Solid/Solution Interfaces Form Wigner Crystal-like Structures. ACS Nano, 18(1), 1181-1194. https://doi.org/10.1021/acsnano.3c11349

When a surface is immersed in a solution, it usually acquires a charge, which attracts counterions and repels co-ions to form an electrical double layer. The ions directly adsorbed to the surface are referred to as the Stern layer. The structure of t... Read More about Ions Adsorbed at Amorphous Solid/Solution Interfaces Form Wigner Crystal-like Structures..

Simultaneous quantification of Young’s modulus and dispersion forces with nanoscale spatial resolution (2023)
Journal Article
Cafolla, C., Voïtchovsky, K., & Payam, A. F. (2023). Simultaneous quantification of Young’s modulus and dispersion forces with nanoscale spatial resolution. Nanotechnology, 34(50), Article 505714. https://doi.org/10.1088/1361-6528/acf8ce

Many advances in polymers and layered materials rely on a precise understanding of the local interactions between adjacent molecular or atomic layers. Quantifying dispersion forces at the nanoscale is particularly challenging with existing methods of... Read More about Simultaneous quantification of Young’s modulus and dispersion forces with nanoscale spatial resolution.

Lipid bilayer fluidity and degree of order regulates small EVs adsorption on model cell membrane (2023)
Journal Article
Paba, C., Dorigo, V., Senigagliesi, B., Tormena, N., Parisse, P., Voitchovsky, K., & Casalis, L. (2023). Lipid bilayer fluidity and degree of order regulates small EVs adsorption on model cell membrane. Journal of Colloid and Interface Science, 652(B), 1937-1943. https://doi.org/10.1016/j.jcis.2023.08.117

Small extracellular vesicles (sEVs) are known to play an important role in the communication between distant cells and to deliver biological information throughout the body. To date, many studies have focused on the role of sEVs characteristics such... Read More about Lipid bilayer fluidity and degree of order regulates small EVs adsorption on model cell membrane.

Nanoscale probing of local dielectric changes at the interface between solids and aqueous saline solutions (2023)
Journal Article
Trewby, W., & Voïtchovsky, K. (2023). Nanoscale probing of local dielectric changes at the interface between solids and aqueous saline solutions. Faraday Discussions, 246, 387-406. https://doi.org/10.1039/d3fd00021d

The mobility of dissolved ions and charged molecules at interfaces underpins countless processes in science and technology. Experimentally, this is typically measured from the averaged response of the charges to an electrical potential. High-resoluti... Read More about Nanoscale probing of local dielectric changes at the interface between solids and aqueous saline solutions.

Behavior of Citrate-Capped Ultrasmall Gold Nanoparticles on a Supported Lipid Bilayer Interface at Atomic Resolution (2022)
Journal Article
Kariuki, R., Penman, R., Bryant, S. J., Orrell-Trigg, R., Meftahi, N., Crawford, R. J., McConville, C. F., Bryant, G., Voïtchovsky, K., Conn, C. E., Christofferson, A. J., & Elbourne, A. (2022). Behavior of Citrate-Capped Ultrasmall Gold Nanoparticles on a Supported Lipid Bilayer Interface at Atomic Resolution. ACS Nano, 16(10), 17179-17196. https://doi.org/10.1021/acsnano.2c07751

Nanomaterials have the potential to transform biological and biomedical research, with applications ranging from drug delivery and diagnostics to targeted interference of specific biological processes. Most existing research is aimed at developing na... Read More about Behavior of Citrate-Capped Ultrasmall Gold Nanoparticles on a Supported Lipid Bilayer Interface at Atomic Resolution.

Hydroxide films on mica form charge-stabilized microphases that circumvent nucleation barriers (2022)
Journal Article
Legg, B., Voïtchovsky, K., & De Yoreo, J. (2022). Hydroxide films on mica form charge-stabilized microphases that circumvent nucleation barriers. Science Advances, 8(35), Article eabn7087. https://doi.org/10.1126/sciadv.abn7087

Crystal nucleation is facilitated by transient, nanoscale fluctuations that are extraordinarily difficult to observe. Here, we use high-speed atomic force microscopy to directly observe the growth of an aluminum hydroxide film from an aqueous solutio... Read More about Hydroxide films on mica form charge-stabilized microphases that circumvent nucleation barriers.

Development of a setup to characterize capillary liquid bridges between liquid infused surfaces (2022)
Journal Article
Goodband, S. J., Kusumaatmaja, H., & Voïtchovsky, K. (2022). Development of a setup to characterize capillary liquid bridges between liquid infused surfaces. AIP Advances, 12(1), Article 015120. https://doi.org/10.1063/5.0072548

Capillary liquid bridges are ubiquitous in nature and are present in many industrial processes. In order to model their behavior, it is essential to develop suitable experimental tools that are able to characterize the bridges’ geometry and the assoc... Read More about Development of a setup to characterize capillary liquid bridges between liquid infused surfaces.

Real-time tracking of ionic nano-domains under shear flow (2021)
Journal Article
Cafolla, C., & Voïtchovsky, K. (2021). Real-time tracking of ionic nano-domains under shear flow. Scientific Reports, 11, Article 19540. https://doi.org/10.1038/s41598-021-98137-y

The behaviour of ions at solid–liquid interfaces underpins countless phenomena, from the conduction of nervous impulses to charge transfer in solar cells. In most cases, ions do not operate as isolated entities, but in conjunction with neighbouring i... Read More about Real-time tracking of ionic nano-domains under shear flow.

Development of a flexure-based nano-actuator for high-frequency in-plane directional sensing with atomic force microscopy (2021)
Journal Article
Payam, A., Piantanida, L., & Voïtchovsky, K. (2021). Development of a flexure-based nano-actuator for high-frequency in-plane directional sensing with atomic force microscopy. Review of Scientific Instruments, 92(9), Article 093703. https://doi.org/10.1063/5.0057032

Scanning probe microscopies typically rely on the high-precision positioning of a nanoscale probe in order to gain local information about the properties of a sample. At a given location, the probe is used to interrogate a minute region of the sample... Read More about Development of a flexure-based nano-actuator for high-frequency in-plane directional sensing with atomic force microscopy.

Gold surface cleaning by etching polishing: Optimization of polycrystalline film topography and surface functionality for biosensing (2020)
Journal Article
Snopok, B., Laroussi, A., Cafolla, C., Voïtchovsky, K., Snopok, T., & Mirsky, V. M. (2021). Gold surface cleaning by etching polishing: Optimization of polycrystalline film topography and surface functionality for biosensing. Surfaces and Interfaces, 22, Article 100818. https://doi.org/10.1016/j.surfin.2020.100818

Modern bio-chemical sensors rely on functional interfacial architectures with well-defined structural nano-motifs over a physical transducer. Gold-coated interfaces are of particular interest for their desirable chemical (functionalization) and optic... Read More about Gold surface cleaning by etching polishing: Optimization of polycrystalline film topography and surface functionality for biosensing.

Impact of water on the lubricating properties of hexadecane at the nanoscale (2020)
Journal Article
Cafolla, C., & Voïtchovsky, K. (2020). Impact of water on the lubricating properties of hexadecane at the nanoscale. Nanoscale, 12(27), 14504-14513. https://doi.org/10.1039/d0nr03642k

Fluid lubricants are routinely used to reduce friction in a wide range of applications, from car engines to machinery and hard-disk drives. However, their efficiency can be significantly influenced by the ambient conditions they are exposed to, in pa... Read More about Impact of water on the lubricating properties of hexadecane at the nanoscale.

Nanoscale mapping of the directional flow patterns at liquid-solid interfaces (2020)
Journal Article
Piantanida, L., Payam, A., Zhong, J., & Voïtchovsky, K. (2020). Nanoscale mapping of the directional flow patterns at liquid-solid interfaces. Physical Review Applied, 13(6), Article 064003. https://doi.org/10.1103/physrevapplied.13.064003

The nanoscale behavior of liquid molecules and solutes along the interface with solids controls many processes such as molecular exchanges, wetting, electrochemistry, nanofluidics, biomolecular function, and lubrication. Experimentally, several techn... Read More about Nanoscale mapping of the directional flow patterns at liquid-solid interfaces.

Co-transcriptional folding of a bio-orthogonal fluorescent scaffolded RNA origami (2020)
Journal Article
Torelli, E., Kozyra, J., Shirt-Ediss, B., Piantanida, L., Voïtchovsky, K., & Krasnogor, N. (2020). Co-transcriptional folding of a bio-orthogonal fluorescent scaffolded RNA origami. ACS Synthetic Biology, 9(7), 1682-1692. https://doi.org/10.1021/acssynbio.0c00009

The scaffolded origami technique is an attractive tool for engineering nucleic acid nanostructures. This paper demonstrates scaffolded RNA origami folding in vitro in which, for the first time, all components are transcribed simultaneously in a singl... Read More about Co-transcriptional folding of a bio-orthogonal fluorescent scaffolded RNA origami.

Lubricated friction around nano-defects (2020)
Journal Article
Cafolla, C., Foster, W., & Voïtchovsky, K. (2020). Lubricated friction around nano-defects. Science Advances, 6(14), Article eaaz3673. https://doi.org/10.1126/sciadv.aaz3673

The lubrication properties of nano-confined liquids underpin countless natural and industrial processes. However, our current understanding of lubricated friction is still limited, especially for non-ideal interfaces exhibiting nanoscale chemical and... Read More about Lubricated friction around nano-defects.

The Effect of Ageing on the Structure and Properties of Model Liquid Infused Surfaces (2020)
Journal Article
Goodband, S., Armstrong, S., Kusumaatmaja, H., & Voïtchovsky, K. (2020). The Effect of Ageing on the Structure and Properties of Model Liquid Infused Surfaces. Langmuir, 36(13), 3461-3470. https://doi.org/10.1021/acs.langmuir.0c00059

Liquid infused surfaces (LIS) exhibit unique properties that make them ideal candidates for a wide range of applications, from anti-fouling and anti-icing coatings to self-healing surfaces and controlled wetting. However, when exposed to realistic en... Read More about The Effect of Ageing on the Structure and Properties of Model Liquid Infused Surfaces.

Coating and Stabilization of Liposomes by Clathrin-Inspired DNA Self-Assembly (2020)
Journal Article
Baumann, K., Piantanida, L., García-Nafría, J., Sobota, D., Voïtchovsky, K., Knowles, T., & Hernández-Ainsa, S. (2020). Coating and Stabilization of Liposomes by Clathrin-Inspired DNA Self-Assembly. ACS Nano, 14(2), 2316-2323. https://doi.org/10.1021/acsnano.9b09453

The self-assembly of the protein clathrin on biological membranes facilitates essential processes of endocytosis and has provided a source of inspiration for materials design by the highly ordered structural appearance. By mimicking the architecture... Read More about Coating and Stabilization of Liposomes by Clathrin-Inspired DNA Self-Assembly.