Drinking water treatment with ultraviolet light for travelers – Evaluation of a mobile lightweight system  Lisa F. Timmermann, Klaus Ritter, David Hillebrandt, Thomas Küpper  Travel Medicine and Infectious Disease  Volume 13, Issue 6, Pages 466-474 (November 2015) DOI: 10.1016/j.tmaid.2015.10.005 Copyright © 2016 The Authors Terms and Conditions

Figure 1 The SteriPEN® (Photo: L. Timmermann). Travel Medicine and Infectious Disease 2015 13, 466-474DOI: (10.1016/j.tmaid.2015.10.005) Copyright © 2016 The Authors Terms and Conditions

Figure 2 Position of the SteriPEN® in relation to the geometry of different bottle types. Travel Medicine and Infectious Disease 2015 13, 466-474DOI: (10.1016/j.tmaid.2015.10.005) Copyright © 2016 The Authors Terms and Conditions

Figure 3 Electromagnetic spectrum and wavelength dependent inactivation of microorganisms (left), mechanism of DNA damage (right) [16]. Travel Medicine and Infectious Disease 2015 13, 466-474DOI: (10.1016/j.tmaid.2015.10.005) Copyright © 2016 The Authors Terms and Conditions

Figure 4 Use of the rubber plug, SteriPEN® model ”Classic” (Photo: L. Timmermann). Travel Medicine and Infectious Disease 2015 13, 466-474DOI: (10.1016/j.tmaid.2015.10.005) Copyright © 2016 The Authors Terms and Conditions

Figure 5 Test bottles. Travel Medicine and Infectious Disease 2015 13, 466-474DOI: (10.1016/j.tmaid.2015.10.005) Copyright © 2016 The Authors Terms and Conditions

Figure 6 Tests conducted with and without agitating the water during irradiation. Travel Medicine and Infectious Disease 2015 13, 466-474DOI: (10.1016/j.tmaid.2015.10.005) Copyright © 2016 The Authors Terms and Conditions

Figure 7 Spectral analysis. Travel Medicine and Infectious Disease 2015 13, 466-474DOI: (10.1016/j.tmaid.2015.10.005) Copyright © 2016 The Authors Terms and Conditions