Procedures may include tissue culture, protein purification, enzyme purification, enzyme assays, membrane protein purification, monoclonal antibody analysis, cytogenic analysis, gel electrophoresis, immunoelectrophoresis, immunofluorescent method, radioimmunoassays, biometry, biofeedback, neurotransmitter analysis, biospectrometry, microtomy, liquid, gas and thin layer chromatography, microspectrophotometry, tissue processing, tissue staining, behavioral testing, anesthetic dosage, neurohistochemistry, animal surgery, immunochemistry, gel electrophoresis, deoxyribonucleic acid (DNA) testing, electron microscopy, and biophysical assays and measurements. Demonstrated expertise in rodent surgery (mice and/or rats), including performing numerous survival surgeries such as transplantation of human intestinal organoids and surgical manipulations of these in vivo transplanted human intestinal organoids with either anastomosis to the native rodent intestine or the implantation of a spring device for distraction enterogenesis.