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Surface-Modified Zinc Oxide Nanoparticles for Antialgal and Antiyeast Applications (2020)
Journal Article
Halbus, A. F., Horozov, T. S., & Paunov, V. N. (2020). Surface-Modified Zinc Oxide Nanoparticles for Antialgal and Antiyeast Applications. ACS Applied Nano Materials, 3(1), 440-451. https://doi.org/10.1021/acsanm.9b02045

We explored the factors and mechanisms of the anti-yeast and anti-algal effect of zinc oxide nanoparticles (ZnONPs) coated with zinc sulfide (ZnS), silica (SiO2), poly(sodium 4-styrene sulfonate) sodium salt (PSS) and poly(allylamine hydrochloride) (... Read More about Surface-Modified Zinc Oxide Nanoparticles for Antialgal and Antiyeast Applications.

"Ghost" silica nanoparticles of "host"-inherited antibacterial action (2019)
Journal Article
Halbus, A. F., Horozov, T. S., & Paunov, V. N. (2019). "Ghost" silica nanoparticles of "host"-inherited antibacterial action. ACS applied materials & interfaces, 11(42), 38519−38530. https://doi.org/10.1021/acsami.9b14403

Copyright © 2019 American Chemical Society. We fabricated surface-rough mesoporous silica nanoparticles ("ghost" SiO2NPs) by using composite mesoporous copper oxide nanoparticles ("host" CuONPs) as templates, which allowed us to mimic their surface m... Read More about "Ghost" silica nanoparticles of "host"-inherited antibacterial action.

Controlling the antimicrobial action of surface modified magnesium hydroxide nanoparticles (2019)
Journal Article
Halbus, A. F., Horozov, T. S., & Paunov, V. N. (2019). Controlling the antimicrobial action of surface modified magnesium hydroxide nanoparticles. Biomimetics, 4(2), https://doi.org/10.3390/biomimetics4020041

Magnesium hydroxide nanoparticles (Mg(OH)2NPs) have recently attracted significant attention due to their wide applications as environmentally friendly antimicrobial nanomaterials, with potentially low toxicity and low fabrication cost. Here, we desc... Read More about Controlling the antimicrobial action of surface modified magnesium hydroxide nanoparticles.

Efficient preparation of macroporous poly(methyl methacrylate) materials from high internal phase emulsion templates (2019)
Journal Article
Althubeiti, K., & Horozov, T. (2019). Efficient preparation of macroporous poly(methyl methacrylate) materials from high internal phase emulsion templates. Reactive and functional polymers, 142, 207–212. https://doi.org/10.1016...tfunctpolym.2019.06.015

Thermo- and photo-initiated polymerization of emulsion templates for making macroporous poly(methyl methacrylate) materials both suffer from low energy efficiency and require tedious sample preparation (removal of inhibitors, inert atmosphere) or s... Read More about Efficient preparation of macroporous poly(methyl methacrylate) materials from high internal phase emulsion templates.

Self-grafting copper oxide nanoparticles show a strong enhancement of their anti-algal and anti-yeast action (2019)
Journal Article
Halbus, A. F., Horozov, T. S., & Paunov, V. N. (2019). Self-grafting copper oxide nanoparticles show a strong enhancement of their anti-algal and anti-yeast action. Nanoscale advances, 1(6), 2323-2336. https://doi.org/10.1039/c9na00099b

© 2019 The Royal Society of Chemistry. We have developed and tested copper oxide nanoparticles (CuONPs) grafted with (3-glycidyloxypropyl)trimethoxysilane (GLYMO) and coupled with 4-hydroxyphenylboronic acid (4-HPBA), which provides a very strong boo... Read More about Self-grafting copper oxide nanoparticles show a strong enhancement of their anti-algal and anti-yeast action.

Hierarchically structured composites and porous materials from soft templates: fabrication and applications (2019)
Journal Article
Thompson, B. R., Horozov, T. S., Stoyanov, S. D., & Paunov, V. N. (in press). Hierarchically structured composites and porous materials from soft templates: fabrication and applications. Journal of materials chemistry. publ. by The Royal Society of Chemistry. A, Materials for energy and sustainability /, 7(14), 8030-8049. https://doi.org/10.1039/c8ta09750j

Recent experimental methods for fabrication of hierarchically porous and structured composites are reviewed. The main focus is on recent examples of how different soft templating materials, like emulsions, surfactant phases, breath figures, biologica... Read More about Hierarchically structured composites and porous materials from soft templates: fabrication and applications.

Strongly Enhanced Antibacterial Action of Copper Oxide Nanoparticles with Boronic Acid Surface Functionality (2019)
Journal Article
Halbus, A. F., Horozov, T. S., & Paunov, V. N. (2019). Strongly Enhanced Antibacterial Action of Copper Oxide Nanoparticles with Boronic Acid Surface Functionality. ACS applied materials & interfaces, 11(13), 12232-12243. https://doi.org/10.1021/acsami.8b21862

Copper oxide nanoparticles (CuONPs) have been widely recognized as good antimicrobial agents but are heavily regulated due to environmental concerns of their postuse. In this work, we have developed and tested a novel type of formulation for copper o... Read More about Strongly Enhanced Antibacterial Action of Copper Oxide Nanoparticles with Boronic Acid Surface Functionality.

Density functional theory for the crystallization of two-dimensional dipolar colloidal alloys (2018)
Journal Article
Somerville, W. R., Stokes, J. L., Adawi, A. M., Horozov, T. S., Archer, A. J., & Buzza, D. M. (2018). Density functional theory for the crystallization of two-dimensional dipolar colloidal alloys. Journal of physics. an Institute of Physics journal. Condensed matter, 30(40), doi:10.1088/1361-648X/aaddc9

Two-dimensional mixtures of dipolar colloidal particles with different dipole moments exhibit extremely rich self-assembly behaviour and are relevant to a wide range of experimental systems, including charged and super-paramagnetic colloids at liquid... Read More about Density functional theory for the crystallization of two-dimensional dipolar colloidal alloys.

Smart soaps: stimulus responsive soap–hydrogel bead composites for controlled dissolution and release of actives (2018)
Journal Article
Thompson, B. R., Rutkevičius, M., Horozov, T. S., Stoyanov, S. D., & Paunov, V. N. (2018). Smart soaps: stimulus responsive soap–hydrogel bead composites for controlled dissolution and release of actives. Materials Chemistry Frontiers, 2(2), 402-409. https://doi.org/10.1039/c7qm00556c

We designed pressure responsive soap–hydrogel bead composites by incorporating agar hydrogel beads of different size distributions within a molten soap matrix at various volume fractions. Upon cooling, the combined suspension of hydrogel beads into t... Read More about Smart soaps: stimulus responsive soap–hydrogel bead composites for controlled dissolution and release of actives.

Sound transmission loss of hierarchically porous composites produced by hydrogel templating and viscous trapping techniques (2017)
Journal Article
Thompson, B. R., Taylor, B. L., Qin, Q., Stoyanov, S. D., Horozov, T. S., & Paunov, V. N. (2017). Sound transmission loss of hierarchically porous composites produced by hydrogel templating and viscous trapping techniques. Materials Chemistry Frontiers, 1(12), 2627-2637. https://doi.org/10.1039/c7qm00371d

© 2017 the Partner Organisations. We have developed two different methods for fabrication of hierarchically porous composites which are environmentally friendly, inexpensive and give a large amount of control over the composite microstructure. The hy... Read More about Sound transmission loss of hierarchically porous composites produced by hydrogel templating and viscous trapping techniques.

Hierarchically porous composites fabricated by hydrogel templating and viscous trapping techniques (2017)
Journal Article
Thompson, B. R., Horozov, T. S., Stoyanov, S. D., & Paunov, V. N. (2018). Hierarchically porous composites fabricated by hydrogel templating and viscous trapping techniques. Materials & design, 137, 384-393. https://doi.org/10.1016/j.matdes.2017.10.046

© 2017 Elsevier Ltd Two methods for the preparation of hierarchically porous composites have been developed and explored. The first involved templating mixed slurries of hydrogel beads with two different average bead size distributions with gypsum sl... Read More about Hierarchically porous composites fabricated by hydrogel templating and viscous trapping techniques.

An ultra melt-resistant hydrogel from food grade carbohydrates (2017)
Journal Article
Thompson, B. R., Horozov, T. S., Stoyanov, S. D., & Paunov, V. N. (2017). An ultra melt-resistant hydrogel from food grade carbohydrates. RSC advances, 7(72), 45535-45544. https://doi.org/10.1039/c7ra08590g

© 2017 The Royal Society of Chemistry. We report a binary hydrogel system made from two food grade biopolymers, agar and methylcellulose (agar-MC), which does not require addition of salt for gelation to occur and has very unusual rheological and the... Read More about An ultra melt-resistant hydrogel from food grade carbohydrates.

Structuring and calorie control of bakery products by templating batter with ultra melt-resistant food-grade hydrogel beads (2017)
Journal Article
Thompson, B. R., Horozov, T. S., Stoyanov, S. D., & Paunov, V. N. (2017). Structuring and calorie control of bakery products by templating batter with ultra melt-resistant food-grade hydrogel beads. Food and Function, 8(8), 2967-2973. https://doi.org/10.1039/c7fo00867h

This journal is © The Royal Society of Chemistry. We report the use of a temperature insensitive, food-grade hydrogel to reduce the caloric density of pancakes that were prepared at temperatures much higher than the boiling point of water. This cheap... Read More about Structuring and calorie control of bakery products by templating batter with ultra melt-resistant food-grade hydrogel beads.

Colloid particle formulations for antimicrobial applications (2017)
Journal Article
Halbus, A. F., Horozov, T. S., & Paunov, V. N. (2017). Colloid particle formulations for antimicrobial applications. Advances in Colloid and Interface Science, 249, 134-148. https://doi.org/10.1016/j.cis.2017.05.012

Colloidal particles are being extensively studied in various antimicrobial applications due to their small size to volume ratio and ability to exhibit a wide spectrum of antibacterial, antifungal, antialgal and antiviral action. The present review fo... Read More about Colloid particle formulations for antimicrobial applications.

Preparation and attachment of liquid-infused porous supra-particles to liquid interfaces (2016)
Journal Article
Al-Shehri, H., Horozov, T. S., & Paunov, V. N. (2016). Preparation and attachment of liquid-infused porous supra-particles to liquid interfaces. Soft matter, 12(40), 8375-8387. https://doi.org/10.1039/c6sm01651k

© 2016 The Royal Society of Chemistry. We prepared model porous composite supra-particles and investigated the effect of the initial infused fluid phase on their attachment at the liquid-fluid interface. We used a simple method for fabrication of mil... Read More about Preparation and attachment of liquid-infused porous supra-particles to liquid interfaces.

Attachment of composite porous supra-particles to air–water and oil–water interfaces: theory and experiment (2016)
Journal Article
Paunov, V. N., Al-Shehri, H., & Horozov, T. S. (2016). Attachment of composite porous supra-particles to air–water and oil–water interfaces: theory and experiment. Physical chemistry chemical physics : PCCP, 18(38), 26495-26508. https://doi.org/10.1039/c6cp05453f

We developed and tested a theoretical model for the attachment of fluid-infused porous supra-particles to a fluid–liquid interface. We considered the wetting behaviour of agglomerated clusters of particles, typical of powdered materials dispersed in... Read More about Attachment of composite porous supra-particles to air–water and oil–water interfaces: theory and experiment.

Adsorption of carboxylic modified latex particles at liquid interfaces studied by the gel trapping technique (2014)
Journal Article
Al-Shehri, H., Horozov, T. S., & Paunov, V. N. (2014). Adsorption of carboxylic modified latex particles at liquid interfaces studied by the gel trapping technique. Soft matter, 10(34), 6433-6441. https://doi.org/10.1039/c4sm01030b

We have studied how carboxylic modified latex (CML) microparticles adsorb at liquid surfaces and the preferred type of emulsion they can stabilise depending on the particle size and the surface density of carboxylic groups. We measured the particle c... Read More about Adsorption of carboxylic modified latex particles at liquid interfaces studied by the gel trapping technique.

Adsorption of shape-anisotropic and porous particles at the air–water and the decane–water interface studied by the gel trapping technique (2013)
Journal Article
Sharp, E. L., Al-Shehri, H., Horozov, T., Stoyanov, S. D., & Paunov, V. N. (2014). Adsorption of shape-anisotropic and porous particles at the air–water and the decane–water interface studied by the gel trapping technique. RSC advances, 4(5), 2205-2213. https://doi.org/10.1039/c3ra44563a

We have studied the attachment and orientation of anisotropic and porous microparticles at liquid surfaces by using the gel trapping technique (GTT). This technique involves spreading of the microparticles of interest at the liquid interface, subsequ... Read More about Adsorption of shape-anisotropic and porous particles at the air–water and the decane–water interface studied by the gel trapping technique.

Self-assembly of two-dimensional colloidal clusters by tuning the hydrophobicity, composition, and packing geometry (2013)
Journal Article
Law, A. D., Auriol, M., Smith, D., Horozov, T. S., & Buzza, D. M. A. (2013). Self-assembly of two-dimensional colloidal clusters by tuning the hydrophobicity, composition, and packing geometry. Physical review letters, 110(13), 0 - 0. doi:10.1103/physrevlett.110.138301

We study the structure of binary monolayers of large (3 m diameter) very hydrophobic (A) and large (3 m diameter) hydrophilic (B) or small (1 m diameter) hydrophilic (C) silica particles at an octanewater interface. By tuning the composition and pack... Read More about Self-assembly of two-dimensional colloidal clusters by tuning the hydrophobicity, composition, and packing geometry.

Adsorption of sterically stabilized latex particles at liquid surfaces: Effects of steric stabilizer surface coverage, particle size, and chain length on particle wettability (2012)
Journal Article
Horozov, T. S., Paunov, V. N., Armes, S. P., Borovicka, J., Reed, K. M., Thompson, K. L., & Walsh, A. (2012). Adsorption of sterically stabilized latex particles at liquid surfaces: Effects of steric stabilizer surface coverage, particle size, and chain length on particle wettability. Langmuir : the ACS journal of surfaces and colloids, 28(18), 7291-7298. https://doi.org/10.1021/la300735u

A series of five near-monodisperse sterically stabilized polystyrene (PS) latexes were synthesized using three well-defined poly(glycerol monomethacrylate) (PGMA) macromonomers with mean degrees of polymerization (DP) of 30, 50, or 70. The surface co... Read More about Adsorption of sterically stabilized latex particles at liquid surfaces: Effects of steric stabilizer surface coverage, particle size, and chain length on particle wettability.