Linjiang Li Li

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We demonstrate for 24 metal oxide (MOx) nanoparticles that it is possible to use conduction band energy levels to delineate their toxicological potential at cellular and whole animal levels. Among the materials, the overlap of conduction band energy (E(c)) levels with the cellular redox potential (-4.12 to -4.84 eV) was strongly correlated to the ability of(More)
We recently described that there is a feedback amplification of cytochrome c release from mitochondria by caspases. Here we investigated how caspases impact on mitochondria to induce cytochrome c release and found that recombinant caspase-3 induced opening of permeability transition pore and reduction of membrane potential in vitro. These events were(More)
We investigated and compared nanosize Ag spheres, plates, and wires in a fish gill epithelial cell line (RT-W1) and in zebrafish embryos to understand the mechanism of toxicity of an engineered nanomaterial raising considerable environmental concern. While most of the Ag nanoparticles induced N-acetyl cysteine sensitive oxidative stress effects in RT-W1, Ag(More)
While it is well known that there are interspecies differences in Ag sensitivity, differences in the cytotoxic responses of mammalian cells to silver nanoparticles (Ag NPs) are also observed. In order to explore these response outcomes, six cell lines, including epithelial cells (Caco-2, NHBE, RLE-6TN, and BEAS-2B) and macrophages (RAW 264.7 and THP-1) of(More)
UV-light-induced electron-hole (e(-)/h(+)) pair generation with free radical production in TiO(2)-based nanoparticles is a major conceptual paradigm for biological injury. However, to date, this hypothesis has been difficult to experimentally verify due to the high energy of UV light that is intrinsically highly toxic to biological systems. Here, a(More)
We demonstrate through PdO doping that creation of heterojunctions on Co3O4 nanoparticles can quantitatively adjust band-gap and Fermi energy levels to study the impact of metal oxide nanoparticle semiconductor properties on cellular redox homeostasis and hazard potential. Flame spray pyrolysis (FSP) was used to synthesize a nanoparticle library in which(More)
The purpose of this proposes an improved prediction of protein secondary structures based on a multi-mold integrated neural network. A structure of modified artificial neural network based on built a 5-child network integrated multi-mold neural networks in which a child for each network using neural network classification is divided into two-level network(More)
OBJECTIVE To estimate the value of blastocyst culture for preimplantation genetic diagnosis (PGD). METHODS Day 3 embryos were biopsied and analyzed with fluorescence in situ hybridization (FISH) technique. Embryos with normal FISH results were cultured into blastocysts, and the ones with better morphology scores were transferred. Fourteen embryos with(More)
A nano-structured film composed of TiO2 and reduced graphite oxide (GO) was synthesized on ITO glass via a typical electrochemical route. A mixed solvent of Ti(SO4)2 and GO was prepared, with the addition of H2O2, HNO3 and DMF at different ratio. A setup of two electrodes of ITO glass in a plastic cell and an electrochemical analyzer is used for the film(More)
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