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Amyloid β25–35 (Aβ25–35) peptide is a peculiar peptide for its rapid aggregation properties and high neurotoxicity in Alzheimer's disease. Here, the interactions between gold nanoparticles (GNPs) and Aβ25–35 monomers, oligomers and fibrils are explored under different molar ratio, temperature and pH by ultraviolet–visible and circular dichroism spectra, thioflavin T fluorescence assay and transmission...
Glutathione peroxidase (GPx) and other selenoproteins (SeP) are involved in the detoxification of reactive oxygen species (ROS). ROS is implicated in preeclampsia (PE). Generation of ROS and antioxidant effect of total GPx in women with PE was estimated. Since we found a significant decrease in total GPx level of women with PE, we were motivated to characterize at a molecular level SeP present in...
We have improved real-time immuno-PCR (IPCR) with nanoparticle based amplification. Gold magnetic particles were functionalized with antibodies against the HIV capsid protein p24 and gold nanoparticles were functionalized with both oligonucleotide barcodes and antibodies against a non- overlapping region of the cognate p24. In the presence of p24, the gold magnetic particles and the gold nanoparticles...
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