Chen Y. – TechConnect Briefs

Graphene Based Field Effect Transistor Analog/RF Performance Analysis from Non-equilibrium Green’s Function Simulation

Chen Y., He J., He X., Li C., Liu J., He J., He X., Jun P., Hu G., Liu J., Ren Y., Ma X., SoC Key Laboratory, Peking University Shenzhen Institute and PKU-HKUST Shenzhen-Hong Kong Institution, CN

Based on the non-equilibrium Green’s function simulation, the Graphene Field Effect Transistor (GFET) analog/RF performance including the trans-conductance efficiency gm/Id, cutoff frequency ft, and maximum oscillation frequency fmax are analyzed in details. The analysis method [...]

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 [...]

Toxicity and Pharmacokinetics of uPAR-targeted Human ATF-conjugated Iron Oxide Nanoparticles Following Systemic Delivery in Rhesus Monkey

Chen Y., Gao F., West China Hospital, Sichuan University, CN

Increasing evidence support the potential of a novel cell surface receptor-targeted MRI nanoprobe produced by conjugating a recombinant peptide amino-terminal fragment (ATF) of urokinase plasminogen activator (uPA) to magnetic iron oxide nanoparticles (IONP) in targeted [...]

Water Splitting for H2 Production using Visible-light-responsive Photocatalysts

Huang J., Zhang G., Zhang W., Zhang G., Zhang W., Wang P., Minakata D., Chen Y., Crittenden J., New Jersey Institute of Technology, US

Hydrogen (H2) production using visible-light photocatalysis for water splitting has attracted considerable attention owing to the growing demand for environmentally friendly and sustainable energy sources. This presentation will demonstrate our previous study on H2 production [...]

Water Splitting for H2 Production using Visible-light-responsive Photocatalysts

Huang J., Zhang G., Zhang W., Zhang G., Zhang W., Wang P., Minakata D., Chen Y., Crittenden J., New Jersey Institute of Technology, US

Hydrogen (H2) production using visible-light photocatalysis for water splitting has attracted considerable attention owing to the growing demand for environmentally friendly and sustainable energy sources. This presentation will demonstrate our previous study on H2 production [...]

Multi-functionalizations of Mesoporous Hollow Silica Nanospheres and Their HIFU Application

Chen H., Chen Y., Zhang K., Wang X., Chen H., Chen Y., Shi J., Shanghai Institute of Ceramics, CN

High intensity focused ultrasound (HIFU), as a representative non-invasive therapeutic mode, has attracted extensive attentions among biological and medical researchers. In this report, we focused on constructing novel mesoporous hollow silica nanospheres (MHSNs) as innovative [...]

Experimental Determination of Conduction and Valence Bands of Semiconductor Nanoparticles using Kelvin Probe Force Microscopy

Zhang W., Chen Y., Georgia Institute of Technology, US

Determination of the band gaps (Eg), positions of conduction and valence bands (Ev and Ec) is critical for the understanding of many photochemical processes (e.g., photocatalyst synthesis for decomposing organic compounds or splitting water for [...]

Carbon Nanotube/Green Tea Composite for the Electronic Detection of Hydrogen Peroxide

Chen Y., Lee Y.D., Vedala H., Allen B.L., Star A., University of Pittsburgh, US

Single-walled carbon nanotubes (SWNTs) and their composites are ideal candidates for chemical and biological sensing application, due to their unique electronic, chemical and physical properties. Green tea, or more specifically its main antioxidant component, epigallocatechin [...]

Probing Protein-Carbohydrate Interactions using Carbon Nanotube Nanodevices for Rapid Bacterial Detection

Vedala H., Chen Y., Star A., University of Pittsburgh, US

In this work, we demonstrate novel nanoelectronics devices based on single-walled carbon nanotube field-effect transistor (NTFET) to probe the interactions between carbohydrates and their recognition proteins called lectins. These interactions are involved in a wide [...]

The influences of nanoscale titanium dioxide particle size and crystal structure on light absorbance

Zou M., Yang F., Ma J., Chen Y., Cao L., Liu F., Chinese Academy of Inspection and Quarantine, CN

Nanoscale titanium dioxide is an important physical sun-block material and is widely used in sunscreen. In our test, the influences of the particle size and crystal structure on light absorbance were examined. The experiment shows [...]