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Featured researches published by Epifania Bono.


Journal of Laboratory Automation | 2016

Standardized 3D Bioprinting of Soft Tissue Models with Human Primary Cells.

Markus Rimann; Epifania Bono; Helene Annaheim; Matthias Bleisch; Ursula Graf-Hausner

Cells grown in 3D are more physiologically relevant than cells cultured in 2D. To use 3D models in substance testing and regenerative medicine, reproducibility and standardization are important. Bioprinting offers not only automated standardizable processes but also the production of complex tissue-like structures in an additive manner. We developed an all-in-one bioprinting solution to produce soft tissue models. The holistic approach included (1) a bioprinter in a sterile environment, (2) a light-induced bioink polymerization unit, (3) a user-friendly software, (4) the capability to print in standard labware for high-throughput screening, (5) cell-compatible inkjet-based printheads, (6) a cell-compatible ready-to-use BioInk, and (7) standard operating procedures. In a proof-of-concept study, skin as a reference soft tissue model was printed. To produce dermal equivalents, primary human dermal fibroblasts were printed in alternating layers with BioInk and cultured for up to 7 weeks. During long-term cultures, the models were remodeled and fully populated with viable and spreaded fibroblasts. Primary human dermal keratinocytes were seeded on top of dermal equivalents, and epidermis-like structures were formed as verified with hematoxylin and eosin staining and immunostaining. However, a fully stratified epidermis was not achieved. Nevertheless, this is one of the first reports of an integrative bioprinting strategy for industrial routine application.


TEDD Annual Meeting, Waedenswil, November 8-9 2017 | 2017

In vitro characterization of a new composite material for biomedical applications and 3D (bio)printing

Epifania Bono; Christoph Evers; Franca Schmid; Ursula Graf-Hausner; Markus Rimann

biomedical applications and 3D (bio)printing Epifania Bono1, Christoph Evers2, Franca Schmid2, Ursula Graf-Hausner3, Markus Rimann1 1Zurich University of Applied Sciences ZHAW, Institute of Chemistry and Biotechnology ICBT, Einsiedlerstrasse 31, 8820 Waedenswil, Switzerland 2Saremco Dental AG, Gewerbestrasse 4, 9445 Rebstein, Switzerland 3graf3dcellculture, Bühlackerweg 5, 8405 Winterthur, Switzerland


Biospektrum | 2014

Aktuelle Trends bei der in vitro-Substanztestung in Deutschland und der Schweiz

Ralf Pörtner; Ilka Wagner; Tamara Atanasova; Richa Gautam; Jasmin Gattlen; Markus Rimann; Epifania Bono; Ursula Graf-Hausner; Uwe Marx

o Der Bedarf an Testsystemen fur chemische und pharmakologisch aktive Substanzen ist aufgrund regulatorischer Vorgaben (EU-Chemikalienverordnung REACH, Kosmetikverordnung) immens gestiegen. Anstelle der heute noch ublichen Tierversuche sollen kunftig organotypische Gewebekulturen treten, deren Aussagekraft eine hohere Relevanz verspricht. Tierversuche werfen zur ethischen Problematik weitere Limitierungen wie die unzureichende Verfugbarkeit oder die haufig nicht gewahrleistete Ubertragbarkeit von Daten aus dem Tiermodell auf den Menschen auf. Es wird erwartet, dass durch organotypische Gewebekulturen die Medikamentenentwicklung und Wirkstofftestung sicherer und vorhersehbarer werden. Die neuen Testverfahren sind des Weiteren durch die Verwendung von patientenspezifischem Material als Erganzung zu klinischen Studien zu sehen, da dadurch die genetische Vielfalt der Patienten besser berucksichtigt werden kann. Nach einer DECHEMA-Umfrage im Jahr 2009 zu akademischen und industriellen Forschungsaktivitaten auf dem Gebiet der Zellund Gewebekulturtechnik fur die regenerative Medizin und Substanzprufungen in Deutschland [1] wurde im Jahr 2013 eine Neubewertung der Aktivitaten in diesem Bereich durchgefuhrt und um die Aktivitaten in der Schweiz erweitert. Die Umfrage wurde zudem starker auf die in vitro-Substanztestung einschlieslich der Nutzung systembiologischer Methoden ausgerichtet. Auf deutscher Seite wurde die Studie durch die Beirate der Fachgruppen „Zellkulturtechnologie“ und „Medizinische Biotechnologie“ der DECHEMA e. V., auf schweizerischer Seite vom nationalen Kompetenzzentrum TEDD (Tissue Engineering for Drug Development and Substance Testing) getragen.


3D Cell Culture Congress, Zurich, March 14 -16, 2012 | 2012

Tissue engineering for drug development : defined organotypic skin models

Diego Santini; Epifania Bono; Daniel Schmid; Stephanie Mathes; Ursula Graf-Hausner

Diabetis is a widespread disease and numbers of patients are supposed to rise to 380 million within the next 20 years. Therefore products, which are able to minimize secondary effects of diabetis, will be of demanding interest. As the blood sugar level in diabetic patients is increased, expanded occurance of advanced glycated end (AGE) products can be observed. These products are generated when sugars interact with lysine residues of amino acids in a non-enzymantic reaction and result in a crosslinking of proteins. In skin collagen I is the most prominent matrix protein. AGE formation in collagen structures result in a decreased matrix elasticity. The aim of the project presented here was to establish and characterize a three dimensional skin model, which exhibits a glycated dermal compartment, similar to diabetic skin. Such a specialized model is intended to serve as a tool to study the cellular pathways of skin cell answers as well as the impact of potent drugs.


European Cells & Materials | 2009

Cell-seeded polyurethane-fibrin structures--a possible system for intervertebral disc regeneration.

Corinna Mauth; Epifania Bono; S Haas; G. Paesold; H. Wiese; G. Maier; Norbert Boos; Ursula Graf-Hausner


Archives of Toxicology | 2017

Multiparameter toxicity assessment of novel DOPO-derived organophosphorus flame retardants

Cordula Hirsch; Britta Striegl; Stephanie Mathes; Christian Adlhart; Michael Edelmann; Epifania Bono; Sabyasachi Gaan; Khalifah Salmeia; Lisa Hoelting; Alice Krebs; Johanna Nyffeler; Regina Pape; Alexander Bürkle; Marcel Leist; Peter Wick; Stefan Schildknecht


Chimia | 2010

Tissue Engineering: The Gateway to Regenerative Medicine

Epifania Bono; Stephanie Mathes; Nicola Franscini; Ursula Graf-Hausner


TERMIS EU-Meeting, Davos, June 26-30, 2017 | 2017

Evaluation of 3D hepatic tissue models for bioprinting

Epifania Bono; Stephanie Mathes; Markus Rimann


Swiss MedTech Day, Bern, 13 June 2017 | 2017

Development of a matrix-based technology platform for the high throughput analysis of 3D cell cultures

Markus Rimann; Epifania Bono; Armin Picenoni; Emanuela Felley-Bosco; Andreas Meyer; René Pelleaux; Corinna Hund


SLAS 2017: International Conference and Exhibition, Society for Laboratory Automation and Screening (SLAS), Washington, 4–8 February 2017 | 2017

3D bioprinted tissue models for substance testing

Markus Rimann; Epifania Bono; Sandra Laternser; Michael Nosswitz; Alexandre Morel; Hansjörg Keller; Olivier Leupin; Carsten Wagner; Ursula Graf-Hausner; Michael Raghunath

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David Eglin

Nottingham Trent University

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Marianna Peroglio

Institut national des sciences Appliquées de Lyon

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Anke Bossen

Bern University of Applied Sciences

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