electrophoresis – TechConnect Briefs

High Performance Supercapacitors Based on Thermal Reduced Graphene Oxide

Perego D., Franz S., Bestetti M., Borioli C., Politecnico di Milano, IT

THERMALLY REDUCED GRAPHENE OXIDE BASED SUPERCAPACITORS HAVE BEEN FABRICATED AND TESTED. ELECTRODES BASED ON METAL SUBSTRATE (TI, AISI304, NI, AL) WERE FABRICATED BY EITHER BY ELECTROPHORESIS AND SPRAY COATING OF GRAPHENE OXIDE SOLUTIONS. ELECTROCHEMICAL TEST [...]

High Performance Supercapacitors Based on Thermal Reduced Graphene Oxide

Perego D., Franz S., Bestetti M., Borioli C., Politecnico di Milano, IT

THERMALLY REDUCED GRAPHENE OXIDE BASED SUPERCAPACITORS HAVE BEEN FABRICATED AND TESTED. ELECTRODES BASED ON METAL SUBSTRATE (TI, AISI304, NI, AL) WERE FABRICATED BY EITHER BY ELECTROPHORESIS AND SPRAY COATING OF GRAPHENE OXIDE SOLUTIONS. ELECTROCHEMICAL TEST [...]

Capillary Electrophoresis in Nanofluidic Channels

Atzberger P.J., Gibou F., Pennathur S., university of california, santa barbara, US

Electrophoretic separation in nanofluidic channels exhibits significant differences with microfluidics. We discuss a theoretical / experimental collaboration investigating particle separation by electropohoresis in nanochannels. Recent experimental results in the laboratory of our collaborator Dr. Pennathur [...]

Single Particle Resolution Zeta Potential Technique

Griffiths D., Bernt W., Hole P., Sullivan J., Malloy A., Carr B., NanoSight USA, US

A novel addition to a technique for the analysis of nanoparticles in a suspension is described. The Nanoparticle Tracking Analysis (NTA) technique visualizes then sizes individual nanoparticles, based on their Brownian motion. Unlike classical light [...]

Simulation of Droplet Based Microfluidics Devices using a Volume of Fluid (VOF) Approach

Chandorkar A., Palit S., Flow Science, US

This paper demonstrates that CFD simulations can be used to study important physical phenomena in Droplet based Microfluidics Devices. The Volume of Fluid (TruVOFTM) method in FLOW-3D® (a general purpose CFD software) has been used [...]

Autonomous Nanoscale Motion Through Catalysis

Sen A., Pennsylvania State University, US

Nanoscale moving systems are currently the subject of intense interest due in part to their potential applications in nanomachinery, nanoscale assembly, robotics, tribology, fluidics, and chemical/biochemical sensing. Most of the research in this area has [...]

Particle Electrophoresis in Closed-both-end Capillary and Likely Charged Particle Aggregation Induced by AC Electric Field

Qiu Z.Y., Shen Y., City College of New York, US

Electroosmosis flow (EOF) is a critical issue in electrophoresis separation techniques. The magnitude of EOF problems and difficult level of its solution are demonstrated by 33 issued US Patents on different methods to suppress or [...]

Dynamics and distribution of counterions in the vicinity of a flexible polyelectrolyte

Lo T.S., Khusid B., Koplik J., Acrivos A., New Jersey Institute of Technology, US

Transport properties of polyelectrolytes in solution, such as electrophoretic mobilities, are strongly related to the distribution of the counterions in the vicinity of the molecules. When the charge density of the polyelectrolyte is above a [...]

Modular Design Approaches for MicroFluidic Systems

Gilde M.J., van den Vlekkert H., Leeuwis H., Prak A., CapiliX BV, NL

The possibilities promised by microfluidic systems have not only interested scientists, but also industries, especially in the areas of the Life Sciences (food, medical, biotech) and fine chemistry (pharma) [2]. Microfluidics is the MEMS-field in [...]

Enhanced Separation Performance in Microfabricated Electrophoresis Devices by Electric Field Induced Collection and Metering of DNA

Shaikh F.A., Ugaz V.M., Texas A&M University, US

Microfluidic technology is a key component in the development of microfabricated lab-on- a-chip systems for use in bioanalytical and biosensing applications. These devices continue to be developed to perform a variety of DNA analysis assays, [...]