nanoparticles – Page 4 – TechConnect Briefs

Novel Materials for the Desensitizing and Remineralizing Dentifrices

Sereda G., Rashwan K., Karels B., Fritza A., University of South Dakota, US

Modification of the titania surface with organic and inorganic groups can significantly improve the practical potential of this material as a component of toothpastes. Functionalization of titania and silica nanoparticles improves their adhesion to human [...]

Intense Pulsed Light Sintering and Reduction of Facile Copper Hydroxide Synthesis towards Printable Copper Contacts

Druffel T., Dharmadasa R., Draper G., University of Louisville, US

The printed electronics market is a rapidly growing field, with the market set to reach $3.6B by 2018. Conductive inks are used in a vast variety of technologies. Inks are typically composed of metallic particles [...]

nPortTM Platform Nanotechnology for Liposome Manufacturing:from 20 to 200nm and from Micrograms to Kilograms

Zhu D.M., Chen G.Q., Cureport, Inc., US

Liposome-based drug delivery is one of the clinically advanced technologies for the treatment of human cancer and severe infectious disease.It improves pharmacokinetics, reduces toxicity, and enhances efficacy of the drugs. The complex manufacturing process, poor [...]

Comprehensive Analysis of High Performing Electrochemical Biosensors and Their Applications

Assan D., Lai J.C.K., Leung S.W., Idaho State University, US

We have mounted 5 different biocatalysts on a sensor platform to examine the performance of this electrochemical sensing system for the detection of different biomolecules/metabolites and environmental important molecules, with such we also compared how [...]

Sensing voltage change across a lipid bilayer

Chen Y., Makinen A.J., O’Shaughnessy T.J., Efros A.L., Huston A., Susumu K., Stewart M.H., Delehanty J.B., Naval Research Laboratory, US

Developing nanoscale probes capable of real-time sensing and imaging of neuronal action potentials would be useful in understanding neuronal communication. However, current available tools for imaging action potentials lack either the spatial or temporal sensitivity [...]

Uptake Behavior of Glycoconjugated and Micellar-Encapsulated Quantum Dots on HeLa Cervical Cancer Cells

Merkl J.-P., Schmidtke C., Safi M., Muroski M., Alpers D., Tran H., Ostermann J., Kreuziger A.-M., Strouse G., Mattoussi H., Weller H., University of Hamburg, DE

Glyconanomaterials are of great interest for bio-imaging to understand biological processes, for instance metabolism, cell-cell or virus-cell interactions, gluconeogenesis, and cancer. Herein, we present a strategy for the biofunctionalization of fluorescent quantum dots (QDs) from [...]

Peptide RF482 Encapsulated Chitosan – PLGA Nanoparticles Inhibit Respiratory Syncytial Virus

Bawage S.S., Tiwari P.M., Dennis V.A., Singh S.R., Alabama State University, US

Worldwide, human respiratory syncytial virus (RSV) is one of the leading causes of lower respiratory tract infections in children and older adults. Currently, an anti-viral drug ribavirin and RSV neutralizing monoclonal antibody- palivizumab are the [...]

Cavitation Disintegration of Microparticles and Nanoparticles in Dense Liquid Dispersions

Dvorsky R., Svoboda L., Trojková J., Bednář J., Mančík P., Kostura B., Vysoká škola báňská – Technická univerzita Ostrava, CZ

With the current rapid development of nanotechnology, top-down preparation of nanoparticles by various disintegration techniques became an important industrial sector. In addition to the presently common high speed bead mills working with particles in liquid [...]

Controlled synthesis of metal@fullerene nanoarchitectures for catalysis

Leng F.Q., Axet M.R., Serp P., Universite de Toulouse UPS-INP-LCC, FR

Nanomaterials and nanostructures play a very important role for applications of nanoscience and nanotechnology in the field of fabrication, such as information and techniques, energy sources, environments, health and medical treatments. It is extremely challenging [...]

Concern-Driven Approach to human health risk assessment of nanomaterials: A Nanoparticle Screening Assessment Framework

Bernatchez S., Afghan A., Lai D., Sayre P., Hill M., New Substances Assessment and Control Bureau, CA

The framework proposed here was developed under the Canada-US Regulatory Cooperation Council (RCC) Nanotechnology Initiative and represents a concern-driven approach to focus human health concerns and additional testing requirements for nanoparticles based on their physical [...]