Publications by authors named "Amideddin Mataji-Kojouri"

Article Synopsis
  • Gastrointestinal (GI) barrier dysfunction is a critical early indicator of multiple complex diseases, but current testing methods for saccharide molecules used to assess this function are expensive and time-consuming.
  • A new one-component system utilizing a naphthyl-pyridine core and boronic acid receptor has been developed for the early detection of saccharide biomarkers like lactulose, which indicates GI barrier issues.
  • The innovative design incorporates a scalable 96-well format with gold nanoparticles and combines plasmonics and fluorescence for sensitive lactulose quantification, aiming to create an affordable and portable diagnostic tool for routine GI permeability testing.
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Solid-state optics has been the pillar of modern digital age. Integrating soft hydrogel materials with micro/nanooptics could expand the horizons of photonics for bioengineering. Here, wet-spun multilayer hydrogel fibers are engineered through ionic-crosslinked natural polysaccharides that serve as multifunctional platforms.

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Plasmonic sensors provide real-time and label-free detection of biotargets with unprecedented sensitivity and detection limit. However, they usually lack the ability to estimate the thickness of the target layer formed on top of the sensing surface. Here, we report a sensing modality based on reflection spectroscopy of a nanoplasmonic Fabry-Perot cavity array, which exhibits characteristics of both surface plasmon polaritons and localized plasmon resonances and outperforms its conventional counterparts by providing the thickness of the surface-adsorbed layers.

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