Outputs (15)

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.

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.

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.

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.

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.

Bioimprint aided cell recognition and depletion of human leukemic HL60 cells from peripheral blood (2019)
Journal Article
Das, A. A., Medlock, J., Liang, H., Nees, D., Allsup, D. J., Madden, L. A., & Paunov, V. N. (2019). Bioimprint aided cell recognition and depletion of human leukemic HL60 cells from peripheral blood. Journal of Materials Chemistry B, 7(22), 3497-3504. https://doi.org/10.1039/c9tb00679f

We report a large scale preparation of bioimprints of layers of cultured human leukemic HL60 cells which can perform cell shape and size recognition from a mixture with peripheral blood mononuclear cells (PBMCs). We demonstrate that the bioimprint-ce... Read More about Bioimprint aided cell recognition and depletion of human leukemic HL60 cells from peripheral blood.

Amplified antimicrobial action of chlorhexidine encapsulated in PDAC-functionalized acrylate copolymer nanogel carriers (2018)
Journal Article
Al-Awady, M. J., Weldrick, P. J., Hardman, M. J., Greenway, G. M., & Paunov, V. N. (2018). Amplified antimicrobial action of chlorhexidine encapsulated in PDAC-functionalized acrylate copolymer nanogel carriers. Materials Chemistry Frontiers, 2(11), 2032-2044. https://doi.org/10.1039/c8qm00343b

We have developed and tested a novel functionalised nanocarrier for chlorhexidine (CHX) which provides a very strong enhancement of its antimicrobial action. The nanocarrier was based on lightly-cross-linked acrylate copolymer nanogel particles loade... Read More about Amplified antimicrobial action of chlorhexidine encapsulated in PDAC-functionalized acrylate copolymer nanogel carriers.

On-chip polyelectrolyte coating onto magnetic droplets – towards continuous flow assembly of drug delivery capsules (2017)
Journal Article
Alorabi, A. Q., Tarn, M. D., Gómez-Pastora, J., Bringas, E., Ortiz, I., Paunov, V. N., & Pamme, N. (2017). On-chip polyelectrolyte coating onto magnetic droplets – towards continuous flow assembly of drug delivery capsules. Lab on a chip, 17(22), 3785-3795. https://doi.org/10.1039/c7lc00918f

Polyelectrolyte (PE) microcapsules for drug delivery are typically fabricated via layer-by-layer (LbL) deposition of PE layers of alternating charge on sacrificial template microparticles, which usually requires multiple incubation and washing steps... Read More about On-chip polyelectrolyte coating onto magnetic droplets – towards continuous flow assembly of drug delivery capsules.

Cancer bioimprinting and cell shape recognition for diagnosis and targeted treatment (2017)
Journal Article
Medlock, J., Das, A. A. K., Madden, L. A., Allsup, D. J., & Paunov, V. N. (2017). Cancer bioimprinting and cell shape recognition for diagnosis and targeted treatment. Chemical Society Reviews, 46(16), 5110-5127. https://doi.org/10.1039/c7cs00179g

Cancer incidence and mortality have both increased in the last decade and are predicted to continue to rise. Diagnosis and treatment of cancers are often hampered by the inability to specifically target neoplastic cells. Bioimprinting is a promising... Read More about Cancer bioimprinting and cell shape recognition for diagnosis and targeted treatment.

Photothermal colloid antibodies for shape-selective recognition and killing of microorganisms (2013)
Journal Article
Borovička, J., Metheringham, W. J., Madden, L. A., Walton, C. D., Stoyanov, S. D., & Paunov, V. N. (2013). Photothermal colloid antibodies for shape-selective recognition and killing of microorganisms. Journal of the American Chemical Society, 135(14), 5282-5285. https://doi.org/10.1021/ja400781f

We have developed a class of selective antimicrobial agents based on the recognition of the shape and size of the bacterial cells. These agents are anisotropic colloid particles fabricated as negative replicas of the target cells which involve templa... Read More about Photothermal colloid antibodies for shape-selective recognition and killing of microorganisms.