nanoparticle – Page 9 – TechConnect Briefs

Design of a Small, Battery-Operated Nanoparticle Sizer

Erickson K., Johnson J., Grose M., Kolb J., Morell S., Caldow R., TSI Incorporated, US

A small, portable nanoparticle sizer has been developed to provide an affordable method to measure nanoparticle size distributions. The new nanoparticle sizer incorporates a SMPS Spectrometer into a chassis that is <1 cu.ft. The instrument [...]

Multi-Parameter Characterization of Nanoparticle Dispersions by Size, Count and Scattering Intensity

Griffiths D., Bernt W., Hole P., NanoSight USA, US

Nanoparticle Tracking Analysis (NTA) is a method that has gained increasing popularity for the study of nanoparticle dispersions, providing high-resolution particle size analysis as well as a direct measure of particle count or concentration. By [...]

Comparison of Anchoring Materials for High Performance Sensors Modified with Nanoparticles and Enzymes

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

We have previously developed some of the most sensitive biosensors/electrodes modified by Au nanoparticles and enzymes that are capable of detecting concentration levels below ppb. These sensors were fabricated with composite layers of nanomaterials and [...]

Microwave assisted synthesis of CaO nanoparticles and use in waste water treatment

Roy A., Bhattacharya J., Indian Institute of Technology, Kharagpur, IN

Clean water (i.e., water that is free of toxic chemicals and pathogens) is essential to human health. Advances in nanoscale science and engineering are providing unprecedented opportunities to develop more cost effective and environmentally acceptable [...]

Microwave assisted synthesis of CaO nanoparticles and use in waste water treatment

Roy A., Bhattacharya J., Indian Institute of Technology, Kharagpur, IN

Clean water (i.e., water that is free of toxic chemicals and pathogens) is essential to human health. Advances in nanoscale science and engineering are providing unprecedented opportunities to develop more cost effective and environmentally acceptable [...]

The Development of a Portable Arsenic Detector Based on Surface-Enhanced Raman Spectroscopy for Rapid on-Site Testing of Groundwater

Wang K.Q., Wang Y., Pan G., Wang K.Q., Wang Y., Agiltron, Inc., US

The combination of high toxicity and widespread occurrence has created a pressing need for effective monitoring of arsenic in groundwater. Although laboratory analysis has been used to measure arsenic in collected groundwater samples, the time [...]

Effects of Chitosan and Nanoparticles on Survival of Schwann Cells and Dorsal Root Ganglion Neurons

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

We have systematically examined the effects of chitosan film or chitosan in combination with nanometal particles (nanogold or nanosilver particles) on the growth of Schwann cells (S16) and DRG neurons (50 B 11). Results of [...]

In-vitro testing of realgar nanoparticles for treatment of multiple myeloma cells

Balaz P., Sedlak J., Pastorek M., Cholujova D., Bujnakova Z., Institute of Geotechnics, Slovak Academy of Sciences, SK

Realgar As4S4 has been used in traditional Chinese medicine externally or even orally to treat psoriasis,syphilis and malaria.However,its broader healing effect was documented recently.The possibility to synthesize realgar particles as nanosuspensions brings new therapeutic strategies [...]

Nano-ELISA using gold nanoparticle-DNA complex for the detection of pathogenic microbe

Kim H-S, Oh B.-K., Sogang Univeristy, KR

In this study, we report on the rational design of a nano-complex that consists of gold nanoparticle (AuNP), antibody, oligonucleotides and horseradish peroxidase (HRP) for the detection of pathogen. The AuNP was functionalized with a [...]

Topical Sensory Nanoparticles for in vivo Biomarker Detection

Patrone J., Benkoski J., Patchan M., Calderon-Colon X., Le H., Sample J., JHU/APL, US

We have recently developed a non-toxic, topically applied biosensor using solid lipid nanoparticles (SLN). This diagnostic platform is currently designed to continuously monitor hydrogen peroxide levels in skin. Overproduction of hydrogen peroxide is implicated in [...]