Conference proceedings and presentations • “Review of Double Beta Decay Experiments”, APS-DNP, Oakland, CA, USA, October 23-25, 2008. • “Borexino: real time detection of low energy solar neutrinos”, SLAC Summer Institute 2008, Menlo Park, CA, USA, August 4-15, 2008. • “The Borexino Scintillator Purification and Containment”, poster (with F. Calaprice, F. Dalnoki- Veress, C. Galbiati, A. Goretti and A. Ianni), TAUP 2007, Sendai, Japan, September 10-15, 2007. • “EXO-200: a LXe Detector for Double Beta Decay” (with J. Wodin), poster, Neutrino 2006, Santa Fe, NM, USA, June 13-19 2006. • “The EXO-200 detector”, invited talk, Double Beta Decay and Neutrino Mass Workshop, HAW05 APS-JNP second joint meeting, Maui, HI, USA, September 16-22 2005. • “Low background techniques for the Borexino nylon vessels”, Low Radioactivity Techniques 2004, Laurentian University, Sudbury, Canada, December 12-14, 2004, AIP Conf. Proc. 785, 153 (2005); arXiv:physics/0503243v1. • “11C background in liquid scintillator detectors”, Low Radioactivity Techniques 2004, Laurentian University, Sudbury, Canada, December 12-14 2004, AIP Conf. Proc. 785, 248 (2005). • “Borexino and the solar neutrino puzzle” (with A. Ianni), contributed poster, INPC2001, Berkeley, CA, USA, July 30 – August 3 2001. • “The radon filtering VSA system”, contributed talk, “Radon backgrounds in rare-event experiments” pre-conference symposium to Neutrino 2000, Sudbury, ON, Canada, June 14 2000. • “Progress in radon removal from air”, contributed talk, APS Centennial Meeting, Atlanta GA, USA, May 1999.

Seminars and Colloquia • “Flat Cables for EXO-200”, SLAC, Menlo Park, CA, USA, December 10, 2008. • “Latest Results from the Borexino Experiment at Gran Sasso”, Caltech, Pasadena, CA, USA, November 11, 2008. • “Latest Results from the Borexino Experiment at Gran Sasso”, LBL, Berkeley, CA, USA, October 31, 2008. • “Latest Results from the Borexino Experiment at Gran Sasso”, SLAC, Menlo Park, CA, USA, September 23, 2008. • “EXO and Borexino: ultra-low background experiments for neutrino physics”, Laurentian University, Sudbury ON, Canada, April 10 2008. • “The enriched xenon observatory for double beta decay”, University of Oregon, Eugene OR, USA, April 7 2008. • “EXO and Borexino: ultra-low background experiments for neutrino physics”, MIT, Cambridge MA, USA, March 7 2008. • “EXO and Borexino: ultra-low background experiments for neutrino physics”, University of Massachusetts, Amherst MA, USA, February 19 2008. • “EXO and Borexino: ultra-low background experiments for neutrino physics”, Queen’s University, Kingston ON, Canada, December 10 2007. • “The enriched xenon observatory for double beta decay”, University of Chicago, Chicago IL, USA, November 28 2007. • “Borexino: first real-time detection of sub-MeV solar neutrinos”, The George Washington University, Washington DC, USA, November 8 2007. • “Borexino: first real-time detection of sub-MeV solar neutrinos”, University of Maryland, College Park MD, USA, November 7 2007. • “EXO: The enriched xenon observatory for double beta decay”, Caltech, Pasadena CA, USA, October 9 2007. • “The enriched xenon observatory (EXO) for double beta decay”, Gran Sasso National Laboratory (LNGS), Assergi, Italy, July 4 2007. • “Radon suppression for the Borexino nylon vessels”, LBL, Berkeley CA, USA, May 23 2007. • “The enriched xenon observatory for double beta decay”, Fermilab, Batavia IL, USA, April 24 2007. • “The enriched xenon observatory for double beta decay”, UCLA, Los Angeles CA, USA, April 17 2007.