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Video-rate multimodal multiphoton imaging and three-dimensional characterization of cellular dynamics in wounded skin

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Journal of Innovative Optical Health Sciences 2020年第2期13卷 70-80页

作者： Joanne Li Madison N.Wilson Andrew J.Bower marina marjanovic Eric J.Chaney Ronit Barkalifa Stephen A.Boppart Department of Bioengineering University of Illinois at Urbana-Champaign Urbana ILU.S.A Department of Electrical and Computer Engineering University of Illinois at Urbana-Champaign Urbana ILU.S.A Beckman Institute for Advanced Science and Technology University of Illinois at Urbana-Champaign Urbana ILU.S.A Carle Illinois College of Medicine University of Illinois at Urbana-Champaign Urbana ILU.S.A

To date,numerous studies have been performed to elucidate the complex cellular dynamics in skin diseases,but few have attempted to characterize these cellular events under conditions similar to the native *** address this challenge,a three-dimensional(3D)multimodal analysis platform was developed for characterizing in vivo cellular dynamics in skin,which was then utilized to process in vivo wound healing data to demonstrate its *** attention is focused on in vivo biological parameters that are difficult to study with ex vivo analysis,including 3D cell tracking and techniques to connect biological information obtained from different imaging *** results here open new possibilities for evaluating 3D cellular dynamics in vivo,and can potentially provide new tools for characterizing the skin microenvironment and pathologies in the future.

关键词： Cellular dynamics multimodal imaging multiphoton microscopy

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FC-DIRECTED ANTIBODY CONJUGATION OF MAGNETIC NANOPARTICLES FOR ENHANCED MOLECULAR TARGETING

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Journal of Innovative Optical Health Sciences 2009年第4期2卷 387-396页

作者： ROBABEH REZAEIPOOR RENU JOHN STEVEN G.ADIE ERIC J.CHANEY marina marjanovic AMY L.OLDENBURG STEPHANIE A.RINNE STEPHEN A.BOPPART Biophotonics Imaging Laboratory Beckman Institute for Advanced Science and Technology University of Illinois at Urbana-Champaign UrbanaILUSA Departments of Electrical and Computer Engineering Bioengineeringand Internal Medicine University of Illinois at Urbana-Champaign UrbanaILUSA

In this study, we report the fabrication of engineered iron oxide magnetic nanoparticles (MNPs)functionalized with anti-human epidermal growth factor receptor type 2 (HER2) antibody totarget the tumor antigen HER2. The Fc-directed conjugation of antibodies to the MNPs aidstheir efficient immunospecific targeting through free Fab portions. The directional specificity ofconjugation was verified on a macrophage cell line. Immunofluorescence studies on macrophagestreated with functionalized MNPs and free anti-HER2 antibody revealed that the antibodymolecules bind to the MNPs predominantly through their Fc portion. Different cell lines with different HER2 expression levels were used to test the specificity of our functionalized nanoprobe formolecular targeting applications. The results of cell line targeting demonstrate that these engineered MNPs are able to differentiate between cell lines with different levels of HER2 expression.

关键词： Nanoprobe molecular imaging cancer

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