Code for Manuscript: Oesophageal Tissue Screening system for Assessing the Retention and Mucosal Absorption of Biologics Christina Karavasili1,2,3, Thomas Young2,4, Alvin Chan1,2,5,6,7, Nikhil Lal2,5,8, Charmaine Jacqueline Chang2,9, Lena Neufeld1,5, Shriya Rangaswamy1, Yuebin Huang1, Jonathan Woo2,10, Stephanie Owyang1,2, Andrew Pettinari5, Ashley Guevara1, Ben Laidlaw1, Niora Fabian1,5,11, Alison Hayward1,5, Giovanni Traverso1,2,5,12* 1David H. Koch Institute for Integrative Cancer Research and Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA 2Division of Gastroenterology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA 3Department of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece 4Department of Bioengineering, Northeastern University, Boston, MA 02120, USA 5Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA 6College of Computing and Data Science, Nanyang Technological University, Singapore 639798, Singapore 7Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 639798, Singapore 8Massachusetts Institute of Technology Media Lab, 75 Amherst Street, Cambridge, MA 02142, USA 9Department of Pharmacology and Toxicology, University of Toronto, Ontario, Canada 10Division of Engineering Science, University of Toronto, Toronto, ON M5S 1A1, Canada. 11Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139, USA 12Broad Institute of MIT and Harvard, Cambridge, MA 02139, USA *Corresponding author: E-mail: ctraverso@bwh.harvard.edu, cgt20@mit.edu (G.T.)