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Rochester Institute of Technology

7 ARTICLES PUBLISHED IN JoVE

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Biology

Functional Complementation Analysis (FCA): A Laboratory Exercise Designed and Implemented to Supplement the Teaching of Biochemical Pathways
André O. Hudson 1, Taylor C.M. Harkness 1, Michael A. Savka 1
1Thomas H. Gosnell School of Life Sciences, Rochester Institute of Technology

The validation of enzymatic activities involved in biochemical pathways can be elucidated using functional complementation analysis (FCA). Described in this manuscript is the FCA assay demonstrating the enzymatic activity of enzymes involved in the metabolism of amino acids, bacterial stringent response and bacterial peptidoglycan biosynthesis.

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Engineering

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
Jeffrey A. Steidle 1, Michael L. Fanto 1,2, Stefan F. Preble 1, Christopher C. Tison 2,3,4, Gregory A. Howland 2, Zihao Wang 1, Paul M. Alsing 2
1Microsystems Engineering, Rochester Institute of Technology, 2Air Force Research Laboratory, Rome, NY, 3Department of Physics, Florida Atlantic University, 4Quanterion Solutions Incorporated

Silicon photonic chips have the potential to realize complex integrated quantum systems. Presented here is a method for preparing and testing a silicon photonic chip for quantum measurements.

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Bioengineering

Manufacturing Abdominal Aorta Hydrogel Tissue-Mimicking Phantoms for Ultrasound Elastography Validation
Doran S. Mix 1, Michael C. Stoner 1, Steven W. Day 2, Michael S. Richards 3
1Division of Vascular Surgery, University of Rochester Medical Center, 2Department of Biomedical Engineering, Rochester Institute of Technology, 3Department of Surgery, University of Rochester Medical Center

Here we describe a method to manufacture aneurysmal, aortic tissue-mimicking phantoms for the use in testing ultrasound elastography. The combined use of computer-aided design (CAD) and 3-dimensional (3D) printing techniques produce aortic phantoms with predictable, complex geometries to validate the elastographic imaging algorithms with controlled experiments.

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Behavior

Exploring Infant Sensitivity to Visual Language using Eye Tracking and the Preferential Looking Paradigm
Adam Stone 1, Rain G. Bosworth 2
1Convo Communications, 2National Technical Institute for the Deaf, Rochester Institute of Technology

Eye tracking studies using a preferential looking paradigm can be used to study infants' emerging understanding of, and attention to, their external visual world.

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Bioengineering

Microengineering 3D Collagen Hydrogels with Long-Range Fiber Alignment
Adeel Ahmed 1, Indranil M. Joshi 1, Madeleine R. Goulet 1, Justin A. Vidas 1, Ann M. Byerley 1, Mehran Mansouri 1, Steven W. Day 1, Vinay V. Abhyankar 1
1Department of Biomedical Engineering, Kate Gleason College of Engineering, Rochester Institute of Technology

This protocol demonstrates the use of a microfluidic channel with changing geometry along the fluid flow direction to generate extensional strain (stretching) to align fibers in a 3D collagen hydrogel (<250 µm in thickness). The resulting alignment extends across several millimeters and is influenced by the extensional strain rate.

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Bioengineering

Use of the MicroSiM (µSiM) Barrier Tissue Platform for Modeling the Blood-Brain Barrier
Molly C. McCloskey 1, Pelin Kasap 2, Michelle Trempel 1, Louis P. Widom 3, Julia Kuebel 1, Kaihua Chen 1, Thomas R. Gaborski 3, Britta Engelhardt 2, James L. McGrath 1
1Department of Biomedical Engineering, University of Rochester, 2Theodor Kocher Institute, University of Bern, 3Department of Biomedical Engineering, Rochester Institute of Technology

This report provides protocols for assembly, cell culture, and assays on the µSiM platform for the construction of blood-brain barrier models.

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Bioengineering

Transforming Static Barrier Tissue Models into Dynamic Microphysiological Systems
Mehran Mansouri 1, Aidan R. Hughes 1, Lauren A. Audi 1, Anna E. Carter 1, Justin A. Vidas 1, James L. McGrath 2, Vinay V. Abhyankar 1
1Department of Biomedical Engineering, Rochester Institute of Technology, 2Department of Biomedical Engineering, University of Rochester

This protocol describes a reconfigurable membrane-based cell culture platform that integrates the open-well format with fluid flow capabilities. This platform is compatible with standard protocols and allows for reversible transitions between open-well and microfluidic culture modes, accommodating the needs of both engineering and bioscience laboratories.

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