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Various nanoparticles have raised significant interest over the past decades for their unique physical and optical properties and biological utilities. Here we summarize the vast applications of advanced nanoparticles with a focus on carbon nanotube (CNT)‐based or CNT‐catalyzed contrast agents for photoacoustic (PA) imaging, cytometry and theranostics applications based on the photothermal (PT) effect...
Single walled carbon nanotubes (SWNT) have shown tremendous promise as agents for diagnostic and therapeutic intervention in vivo. We demonstrate how Dextran sulfate (DS) can render SWNT transparent to macrophages, a vital component of the innate immunity. We also demonstrate a site specific attachment strategy to conjugate antibodies to DS for downstream applications. DS was compared to Polyethylene...
This paper reports a multi-walled carbon nanotube (MWNT) cluster-based process for removing bacteria by uniquely combining the two excellent properties of carbon nanotubes (CNTs): magnetic susceptibility and bacterial affinity. The reaction system consisted of large clusters of MWNTs for bacterial capture and an external magnet for bio-separation. The designed system was tested using four different...
Molecular wire construction using DNA-directed self-assembly of multi-walled carbon nanotubes (MWNTs) has been attempted. MWNTs were selected owing to their exceptional electrical and structural properties. DNA, which possesses specific molecular recognition properties, served as the engine for the assembly. Non-crosshybridizing (NCH) sequences were designed to impart specificity and high throughput...
This paper reports the design and fabrication of a biosensor based on aligned side-wall functionalized multiwalled carbon nanotubes with integrated single-strand DNAs (ssDNA). Due to their direction dependent physical properties and size, electrically conducting multi-wall carbon nanotubes (MWCNTs) with attached complementary ssDNA show promise to function as next-generation nanoscale sensors for...
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