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University of Ioannina

4 ARTICLES PUBLISHED IN JoVE

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Biology

Indacenodithienothiophene-Based Ternary Organic Solar Cells: Concept, Devices and Optoelectronic Analysis
Nicola Gasparini 1, Amaranda García-Rodríguez 2, Athanasios Katsouras 3, Apostolos Avgeropoulos 3, Georgia Pagona 4,5, Vasilis G. Gregoriou 4,5, Christos L. Chochos 3,4, Sybille Allard 2, Ulrich Scherf 2, Christoph J. Brabec 1,6, Tayebeh Ameri 1
1Institute of Materials for Electronics and Energy Technology (I-MEET), Friedrich-Alexander-University Erlangen-Nuremberg, 2Macromolecular Chemistry Group (buwmakro) and Institute for Polymer Technology, Bergische Universität Wuppertal, 3Department of Materials Science Engineering, University of Ioannina, 4Advent Technologies SA, 5National Hellenic Research Foundation (NHRF), 6Bavarian Center for Applied Energy Research (ZAE Bayern)

In this study, in addition to the synthesis of a novel polymer, we fully characterize a ternary bulk-heterojunction solar cell, with a power conversion efficiency exceeding 4.6%, with the complementary use of optical and electrical techniques.

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Developmental Biology

Dissection, Culture and Analysis of Primary Cranial Neural Crest Cells from Mouse for the Study of Neural Crest Cell Delamination and Migration
Sandra Guadalupe Gonzalez Malagon *1,2, Lisa Dobson *1,3, Anna M Lopez Muñoz 1, Marcus Dawson 1, William Barrell 1,3, Petros Marangos 2,4, Matthias Krause 3, Karen J Liu 1
1Centre for Craniofacial and Regenerative Biology, King's College London, 2Institute of Molecular Biology and Biotechnology, FORTH, Department of Biomedical Research, University of Ioannina, 3Randall Centre of Cell & Molecular Biophysics, King's College London, 4Department of Biological Applications and Technology, University of Ioannina

This protocol describes the dissection and culture of cranial neural crest cells from mouse models, primarily for the study of cell migration. We describe the live imaging techniques used and the analysis of speed and cell shape changes.

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Neuroscience

Use of a Foot-Induced Digitally Controlled Resistance Device for Functional Magnetic Resonance Imaging Evaluation in Patients with Foot Paresis
Mark P. Ottensmeyer 1,2, Sabrina Elbach 3,4, Loukas Astrakas 3,5, Shasha Li 2,3,4, A. Aria Tzika 2,3,4
1Medical Device & Simulation Laboratory, Department of Radiology, Massachusetts General Hospital, 2Harvard Medical School, Harvard University, 3NMR Surgical Laboratory, Department of Surgery, Shriners Children’s Boston, Massachusetts General Hospital, 4Athinoula A. Martinos Center of Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, 5Medical Physics Laboratory, Faculty of Medicine, University of Ioannina

Chronic stroke patients' insured rehabilitation is generally time limited. Imaging-based study of brain activity from walking-related motor tasks can lead to establishing biomarkers to measure improved outcomes and justify extending tailored therapy. A novel, magnetic resonance-compatible, variable-resistance foot motion device and a protocol for use during functional magnetic resonance imaging are presented.

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Developmental Biology

Detection of DNA Double-Stranded Breaks in Mouse Oocytes
Chrysoula Zorzompokou 1,2, Marios Ipeirotis 1,2, Marios Kaisar Martzoukos 1, Petros Marangos 1,2
1Department of Biological Applications and Technology, University of Ioannina, 2Biomedical Research Institute, Foundation for Research and Technology

Maintaining oocyte genome integrity is necessary to ensure the genetic fidelity in the resulting embryo. Here, we present an accurate protocol for detecting DNA double-strand breaks in mammalian female germ cells.

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