gold nanoparticles – Page 2 – TechConnect Briefs

Peptide Functionalized Gold and Silver Nanoparticles Inhibit Respiratory Syncytial Virus (RSV) In Vitro

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

Human respiratory syncytial virus (RSV) is a major cause of severe upper and lower respiratory tract infections in infants, and in high-risk adults. Currently, there is no vaccine and the available therapeutic agents have limited [...]

Synergistic response of ionic liquid ([bmim][BF4]) entrapped in BHDC reverse micelles for gold nanoparticles synthesis. Size and morphology control

Blach D., Martinez F., Universidad Industrial de Santander, CO

Nanoparticles (NPs) have been extensively investigated for many application due to their unique properties, particularly gold nanoparticles (AuNPs) stand out because their properties triggered by small changes in their size and morphology. Nowadays, the great [...]

Room-temperature printing of thin-film devices for flexible electronics

Minari T., Kanehara M., National Institute for Materials Science (NIMS), JP

We have established 'Room-Temperature Printed Electronics (RTPE)' as the new fabrication method for thin-film electronic devices, which can be carried out under ambient atmospheric condition at room temperature without application of heat. Thermal damage is [...]

Mitochondria-targeting Gold Nanoparticles for Improved Therapeutic Efficacy of Photodynamic Therapy of Breast Cancer

Yang Y., Gao N., Hu Y., Jia C., Du H., Wang H., Stevens Institute of Technology, US

Photodynamic therapy (PDT) is an emerging minimally invasive therapeutic modality for a variety of oncologic diseases. In recognition of their superior optical and surface plasmonic properties, gold nanoparticles (Au NPs) can be utilized as the [...]

Fluorescent-Plasmonic Quantum Dot-Gold based Nanohybrids: Basic Research for Next Generation Materials and Tracking of Biological Events

Merkl J.-P., Schmidtke C., Aldeek F., Safi M., Strelow C., Feld A., Kloust H., Heidari H., Bals S., Lange H., Mattoussi H., Weller H., University of Hamburg, DE

A novel hybrid nanoparticle is presented based on encapsulated fluorescent CdSe/ZnSe/ZnS core/shell/shell quantum dots (QDs) with zwitterionic capped gold nanoparticles (AuNPs). This hybrid is fully characterizes by variouse techniques including optical spectroscopy, (cryo) transmission electron [...]

Surface Chemistry of Metal Oxide Nanoparticles and Attachment of Metal Nanoclusters: Sensor, Optoelectronic, and Catalytic Applications

Whitten J.E., University of Massachusetts-Lowell, US

Metal oxide nanoparticles are surprisingly reactive, and some undergo changes in color or in their photoluminescence (PL) spectra upon reaction. In the latter case, visible emission arises from electron decay from surface related states, and [...]

Cytotoxic Effects of Silver and Gold Nanoparticles in Human Glioblastoma U87 Cells

Gao W., Leung S.W., Bhushan A., Lai J.C.K., Idaho State University College of Pharmacy, US

Nanoparticles have contributed significantly to the design of new drug delivery and targeting in cancer chemotherapy. Consequently, some of the desirable qualities of silver and gold nanoparticles have prompted their novel applications in cancer nanobiotechnology. [...]

Using single particle ICP-MS as a tool for understanding metallonanoparticles transformation during nanotoxicity assays

Johnson M.E., Hanna S.K., Petersen E.J., Nelson B.C., Yu L.L., National Institute of Standards and Technology, US

The work presented will establish a method for employing SP-ICP-MS toward the characterization of ENPs following their exposure to a model organism, C. elegans. Sample preparation, SP-ICP-MS analysis, data processing, particulate transport efficiency evaluation, and [...]

Near-Infrared Laser Actuated Cantilevers with Wavelength-Dependent Response

Lucas T.M., James K.T., Beharic J., Moiseeva E.V., Keynton R.S., O’Toole M.G., Harnett C.K., University of Louisville, US

Development of microscale actuating technologies has been critical for interacting with natural components at the cellular level. Small-scale actuators and switches have potential in areas such as microscale pumping and particle manipulation. Thermal actuation has [...]

Scale-up of Novel Gold Nanoparticle-Wool Fiber Composites: A Commercialisation Success Story

Nilsson T.W., Johnston J.H., Victoria University of Wellington and MacDiarmid Institute of Advanced Materials and Nanotechnology, NZ

The development of novel nanocomposites of metal nanoparticles and natural fibers has allowed the engineering of flexible materials with the desirable properties of metal nanoparticles for numerous applications. One class of novel nanocomposites uses gold [...]