All Outputs (88)

Enhanced anticancer effect of lysozyme-functionalized metformin-loaded shellac nanoparticles on a 3D cell model: role of the nanoparticle and payload concentrations (2024)
Journal Article
Wang, A., Madden, L. A., & Paunov, V. N. (online). Enhanced anticancer effect of lysozyme-functionalized metformin-loaded shellac nanoparticles on a 3D cell model: role of the nanoparticle and payload concentrations. Biomaterials science / Royal Society of Chemistry, https://doi.org/10.1039/d4bm00692e

Here we used a 3D human hepatic tumour cell culture model to assess the in vitro efficacy of “active” metformin-loaded nanoparticles (NPs) as anticancer therapeutics. The metformin nanocarrier design was repurposed from previous studies targeting bac... Read More about Enhanced anticancer effect of lysozyme-functionalized metformin-loaded shellac nanoparticles on a 3D cell model: role of the nanoparticle and payload concentrations.

Advanced biomedical applications of cell clusteroids based on aqueous twophase Pickering emulsion systems (2022)
Thesis
Wang, A. Advanced biomedical applications of cell clusteroids based on aqueous twophase Pickering emulsion systems. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4249064

The development of in vitro models for advancing the research of cell biology and cell physiology is of great importance to the fields of biotechnology, cancer study, drug testing, toxicity study. The emerging field includes tissue engineering and re... Read More about Advanced biomedical applications of cell clusteroids based on aqueous twophase Pickering emulsion systems.

Fabrication of Angiogenic Sprouting Coculture of Cell Clusteroids Using an Aqueous Two-Phase Pickering Emulsion System (2022)
Journal Article
Wang, A., Madden, L. A., & Paunov, V. N. (2022). Fabrication of Angiogenic Sprouting Coculture of Cell Clusteroids Using an Aqueous Two-Phase Pickering Emulsion System. ACS Applied Bio Materials, https://doi.org/10.1021/acsabm.2c00168

Tumor cell spheroids and 3D cell culture have generated a lot of interest in the past decade due to their relative ease of production and biomedical research applications. To date, the frontier in tumor 3D models has been pushed to the level of perso... Read More about Fabrication of Angiogenic Sprouting Coculture of Cell Clusteroids Using an Aqueous Two-Phase Pickering Emulsion System.

Vascularized Co‐Culture Clusteroids of Primary Endothelial and Hep‐G2 Cells Based on Aqueous Two‐Phase Pickering Emulsions (2022)
Journal Article
Wang, A., Madden, L. A., & Paunov, V. N. (2022). Vascularized Co‐Culture Clusteroids of Primary Endothelial and Hep‐G2 Cells Based on Aqueous Two‐Phase Pickering Emulsions. Bioengineering, 9(3), Article 126. https://doi.org/10.3390/bioengineering9030126

Three‐dimensional cell culture has been extensively involved in biomedical applications due to its high availability and relatively mature biochemical properties. However, single 3D cell culture models based on hydrogel or various scaffolds do not me... Read More about Vascularized Co‐Culture Clusteroids of Primary Endothelial and Hep‐G2 Cells Based on Aqueous Two‐Phase Pickering Emulsions.

Enhanced clearing of Candida biofilms on a 3D urothelial cell in vitro model using lysozyme-functionalized fluconazole-loaded shellac nanoparticles (2021)
Journal Article
Wang, A., Weldrick, P. J., Madden, L. A., & Paunov, V. N. (2021). Enhanced clearing of Candida biofilms on a 3D urothelial cell in vitro model using lysozyme-functionalized fluconazole-loaded shellac nanoparticles. Biomaterials science / Royal Society of Chemistry, 9(20), 6927-6939. https://doi.org/10.1039/d1bm01035b

Candida urinary tract biofilms are increasingly witnessed in nosocomial infections due to reduced immunity of patients and the hospital ecosystem. The indwelling devices utilized to support patients with urethral diseases that connect the unsterilize... Read More about Enhanced clearing of Candida biofilms on a 3D urothelial cell in vitro model using lysozyme-functionalized fluconazole-loaded shellac nanoparticles.

Biofilm-Infected Human Clusteroid Three-Dimensional Coculture Platform to Replace Animal Models in Testing Antimicrobial Nanotechnologies (2021)
Journal Article
Wang, A., Weldrick, P., Madden, L. A., & Paunov, V. N. (2021). Biofilm-Infected Human Clusteroid Three-Dimensional Coculture Platform to Replace Animal Models in Testing Antimicrobial Nanotechnologies. ACS Applied Materials & Interfaces, 13(19), 22182-22194. https://doi.org/10.1021/acsami.1c02679

Microbial biofilms are a major concern in wound care, implant devices, and organ infections. Biofilms allow higher tolerance to antimicrobial drugs, can impair wound healing, and potentially lead to sepsis. There has been a recent focus on developing... Read More about Biofilm-Infected Human Clusteroid Three-Dimensional Coculture Platform to Replace Animal Models in Testing Antimicrobial Nanotechnologies.

Smart active antibiotic nanocarriers with protease surface functionality can overcome biofilms of resistant bacteria (2020)
Journal Article
Weldrick, P. J., Hardman, M. J., & Paunov, V. N. (2021). Smart active antibiotic nanocarriers with protease surface functionality can overcome biofilms of resistant bacteria. Materials Chemistry Frontiers, 5(2), 961-972. https://doi.org/10.1039/d0qm00874e

Treating bacterial infections with species demonstrating antibiotic resistance to the chosen antibiotic is often hindered due to the ability of certain bacteria to grow biofilms where they can effectively hide and resist the antibiotic action. We rep... Read More about Smart active antibiotic nanocarriers with protease surface functionality can overcome biofilms of resistant bacteria.

High-throughput fabrication of hepatic cell clusteroids with enhanced growth and functionality for tissue engineering applications (2020)
Journal Article
Wang, A., Madden, L. A., & Paunov, V. N. (2020). High-throughput fabrication of hepatic cell clusteroids with enhanced growth and functionality for tissue engineering applications. Materials Advances, 1(8), 3022-3032. https://doi.org/10.1039/d0ma00635a

Culturing of cells as three-dimensional (3D) clusters can enhance in vitro tests for basic biological research as well as for therapeutics development. Such 3D culture models, however, are often more complicated, cumbersome and expensive than two-dim... Read More about High-throughput fabrication of hepatic cell clusteroids with enhanced growth and functionality for tissue engineering applications.

Advanced biomedical applications based on emerging 3D cell culturing platforms (2020)
Journal Article
Wang, A., Madden, L. A., & Paunov, V. N. (2020). Advanced biomedical applications based on emerging 3D cell culturing platforms. Journal of Materials Chemistry B, 8(46), 10487-10501. https://doi.org/10.1039/d0tb01658f

It is of great value to develop reliable in vitro models for cell biology and toxicology. However, ethical issues and the decreasing number of donors restrict the further use of traditional animal models in various fields, including the emerging fiel... Read More about Advanced biomedical applications based on emerging 3D cell culturing platforms.

Bioimprint Mediated Label-Free Isolation of Pancreatic Tumor Cells from a Healthy Peripheral Blood Cell Population (2020)
Journal Article
Pelle, M., Das, A. A. K., Madden, L. A., & Paunov, V. N. (in press). Bioimprint Mediated Label-Free Isolation of Pancreatic Tumor Cells from a Healthy Peripheral Blood Cell Population. Advanced Biosystems, Article 2000054. https://doi.org/10.1002/adbi.202000054

New techniques are required for earlier diagnosis and response to treatment of pancreatic cancer. Here, a label-free approach is reported in which circulating pancreatic tumor cells are isolated from healthy peripheral blood cells via cell bioimprint... Read More about Bioimprint Mediated Label-Free Isolation of Pancreatic Tumor Cells from a Healthy Peripheral Blood Cell Population.

Toxicity of polyelectrolyte-functionalized titania nanoparticles in zebrafish (Danio rerio) embryos (2020)
Journal Article
Arabeyyat, Z. H., Al-Awady, M. J., Greenway, G. M., Paunov, V. N., & Rotchell, J. M. (2020). Toxicity of polyelectrolyte-functionalized titania nanoparticles in zebrafish (Danio rerio) embryos. SN Applied Sciences, 2(7), Article 1312. https://doi.org/10.1007/s42452-020-3137-x

We investigated the effects of short-term exposure of bare TiO2NPs and polyelectrolyte-coated TiO2NPs in the 5–25nm size range, at relatively high concentrations (of 500 and 1000mg/L) under light or dark conditions, in D. rerio embryos. The biologica... Read More about Toxicity of polyelectrolyte-functionalized titania nanoparticles in zebrafish (Danio rerio) embryos.

Silver nanoparticles in Zebrafish (Danio rerio) embryos: Uptake, growth and molecular responses (2020)
Journal Article
Qiang, L., Arabeyyat, Z. H., Xin, Q., Paunov, V. N., Dale, I. J., Lloyd Mills, R. I., Rotchell, J. M., & Cheng, J. (2020). Silver nanoparticles in Zebrafish (Danio rerio) embryos: Uptake, growth and molecular responses. International Journal of Molecular Sciences, 21(5), Article 1876. https://doi.org/10.3390/ijms21051876

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Silver nanoparticles (AgNPs) are widely used in commercial applications as antimicrobial agents, but there have recently been increasing concerns raised about their possible environmental and... Read More about Silver nanoparticles in Zebrafish (Danio rerio) embryos: Uptake, growth and molecular responses.

Removal of Human Leukemic Cells from Peripheral Blood Mononuclear Cells by Cell Recognition Chromatography with Size Matched Particle Imprints (2020)
Journal Article
Chester, R., Das, A. A. K., Medlock, J., Nees, D., Allsup, D. J., Madden, L. A., & Paunov, V. N. (2020). Removal of Human Leukemic Cells from Peripheral Blood Mononuclear Cells by Cell Recognition Chromatography with Size Matched Particle Imprints. ACS Applied Bio Materials, 3(2), 789-800. https://doi.org/10.1021/acsabm.9b00770

We report a cell recognition chromatography approach for blood cancer cell separation from healthy peripheral blood mononuclear cells (PBMCs) based on sizematched functionalized particle imprints. Negative imprints were prepared from layers of 15 μm... Read More about Removal of Human Leukemic Cells from Peripheral Blood Mononuclear Cells by Cell Recognition Chromatography with Size Matched Particle Imprints.

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.

Targeted removal of blood cancer cells from mixed cell populations by cell recognition with matching particle imprints (2019)
Journal Article
Das, A. A., Remaud, P., Medlock, J., Das, A. A. K., Allsup, D. J., Madden, L. A., Nees, D., Weldrick, P. J., & Paunov, V. N. (2019). Targeted removal of blood cancer cells from mixed cell populations by cell recognition with matching particle imprints. Materials Chemistry Frontiers, 4(1), 197-205. https://doi.org/10.1039/c9qm00531e

We report a new approach for separation of blood cancer cells from healthy white blood cells based on cell recognition by surface functionalised particle imprints. We prepared polymeric particle imprints from a layer of suspension of monodisperse PMM... Read More about Targeted removal of blood cancer cells from mixed cell populations by cell recognition with matching particle imprints.

Enhanced Clearing of Wound-Related Pathogenic Bacterial Biofilms Using Protease-Functionalized Antibiotic Nanocarriers (2019)
Journal Article
Weldrick, P. J., Hardman, M. J., & Paunov, V. N. (2019). Enhanced Clearing of Wound-Related Pathogenic Bacterial Biofilms Using Protease-Functionalized Antibiotic Nanocarriers. ACS Applied Materials & Interfaces, 11(47), 43902-43919. https://doi.org/10.1021/acsami.9b16119

© 2019 American Chemical Society. Biofilms are prevalent in chronic wounds and once formed are very hard to remove, which is associated with poor outcomes and high mortality rates. Biofilms are comprised of surface-attached bacteria embedded in an ex... Read More about Enhanced Clearing of Wound-Related Pathogenic Bacterial Biofilms Using Protease-Functionalized Antibiotic Nanocarriers.

"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.

Fabrication of Human Keratinocyte Cell Clusters for Skin Graft Applications by Templating Water-in-Water Pickering Emulsions (2019)
Journal Article
Celik, S., Dominici, S., Filby, B., Das, A., Madden, L. A., & Paunov, V. N. (2019). Fabrication of Human Keratinocyte Cell Clusters for Skin Graft Applications by Templating Water-in-Water Pickering Emulsions. Biomimetics, 4(3), Article 50. https://doi.org/10.3390/biomimetics4030050

Most current methods for the preparation of tissue spheroids require complex materials, involve tedious physical steps and are generally not scalable. We report a novel alternative, which is both inexpensive and up-scalable, to produce large quantiti... Read More about Fabrication of Human Keratinocyte Cell Clusters for Skin Graft Applications by Templating Water-in-Water Pickering Emulsions.

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), Article 41. 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.

Breathing new life into old antibiotics: Overcoming antibacterial resistance by antibiotic-loaded nanogel carriers with cationic surface functionality (2019)
Journal Article
Weldrick, P. J., Iveson, S., Hardman, M. J., & Paunov, V. N. (2019). Breathing new life into old antibiotics: Overcoming antibacterial resistance by antibiotic-loaded nanogel carriers with cationic surface functionality. Nanoscale, 11(21), 10472-10485. https://doi.org/10.1039/c8nr10022e

Multidrug-resistant pathogens are prevalent in chronic wounds. There is an urgent need to develop novel antimicrobials and formulation strategies that can overcome antibiotic resistance and provide a safe alternative to traditional antibiotics. This... Read More about Breathing new life into old antibiotics: Overcoming antibacterial resistance by antibiotic-loaded nanogel carriers with cationic surface functionality.