Journal articles
NTDscope: A multi-contrast portable microscope for disease diagnosis
PLOS Global Public Health (2026); DOI: 10.1371/journal.pgph.0005937
Díaz de León Derby M, Moussa ZL, Ng CF, Bhuiya AM, Cabrera JP, Banik D, Delahunt CB, Keller MD, Le Ny ALM, Garcia-Villena J, Dacal E, Bermejo-Peláez D, Cuadrado D, Luengo-Oroz M, Djeunga HCN, Kamgno J, Yemeli LD, Pahl V, Davi SD, Manego RZ, Ramharter M, Bogoch II, Coulibaly JT, Khatun A, Kabir M, Noor Z, Haque R, Switz NA, Friedman DH, D’Ambrosio MV, Fletcher DA
Multi-contrast machine learning improves schistosomiasis diagnostic performance
PLOS Neglected Tropical Diseases (2025); DOI: 10.1371/journal.pntd.0012879
Díaz de León Derby M, Delahunt CB, Spencer E, Coulibaly JT, Silue KD, Bogoch II, Le Ny ALM, Fletcher DA
Point-of-Care Sample Preparation and Automated Quantitative Detection of Schistosoma haematobium Using Mobile Phone Microscopy
American Journal of Tropical Medicine and Hygiene (2022); DOI: 10.4269/ajtmh.21-1071
Armstrong M, Harris AR, D’Ambrosio MV, Coulibaly JT, Essien-Baidoo S, Ephraim RKD, Andrews JR, Bogoch II, Fletcher DA
A Test-and-Not-Treat Strategy for Onchocerciasis in Loa loa–Endemic Areas
N Engl J Med (2017); 377:2044-2052
Kamgno J, Pion SD, Chesnais CB, Bakalar MH, D’Ambrosio MV, Mackenzie CD, Nana-Djeunga HC, Gounoue-Kamkumo R, Njitchouang GR, Nwane P, Tchatchueng-Mbouga JB, Wanji S, Stolk WA, Fletcher DA, Klion AD, Nutman TB, and Boussinesq M
Accuracy of Mobile Phone and Handheld Light Microscopy for the Diagnosis of Schistosomiasis and Intestinal Protozoa Infections in Côte d’Ivoire
PLoS Negl Trop Dis. 10(6), eCollection (2016)
Coulibaly JT, Ouattara M, D’Ambrosio MV, Fletcher DA, Keiser J, Utzinger J, N’Goran EK, Andrews JR, Bogoch II
Evaluation of mobile digital light-emitting diode fluorescence microscopy in Hanoi, Viet Nam
Int J Tuberc Lung Dis. 19(9) 1068-72 (2015)
L.H Chaisson, C. Reber, H. Phan, N. Switz, L.M. Nilsson, F. Myers, N.V. Nhung, L. Luu, T. Pham, C. Vu, H. Nguyen, A. Nguyen, T. Dinh, P. Nahid , D.A. Fletcher, A. Cattamanchi
Point-of-care quantification of blood-borne filarial parasites with a mobile phone microscope
Sci Transl Med. 7(286) 286re4. (2015)
M.V. D’Ambrosio, M. Bakalar, S. Bennuru, C. Reber, A. Skandarajah, L. Nilsson, N. Switz, J. Kamgno, S. Pion, M. Boussinesq, T.B. Nutman, D.A. Fletcher
A lateral electrophoretic flow diagnostic assay
Lab Chip. 15, 1488-1496 (2015)
R. Lin, A. Skandarajah, R.E. Gerver, H.D. Neira, D.A. Fletcher, A.E. Herr
Novel telemedicine device for diagnosis of corneal abrasions and ulcers in resource-poor settings
JAMA Ophthalmol 132, 894–895 (2014)
R.N. Maamari, S. Ausayakhun, T.P. Margolis, D.A. Fletcher, J.D. Keenan
Low-cost mobile phone microscopy with a reversed mobile phone camera lens
PLOS ONE 9, e95330 (2014)
N.A. Switz, M.V. D’Ambrosio, D.A. Fletcher
Quantitative imaging with a mobile phone microscope
PLOS ONE 9, e96906 (2014)
A. Skandarajah, C.D. Reber, N.A. Switz, D.A. Fletcher
A mobile phone-based retinal camera for portable wide field imaging
Br J Ophthalmol 98, 438–441 (2014)
R.N. Maamari, J.D. Keenan, D.A. Fletcher, T.P. Margolis
Mobile Digital Fluorescence Microscopy for Diagnosis of Tuberculosis
J. Clin. Microbiol. 51, 1774–1778 (2013)
A. Tapley, N. Switz, C. Reber, J.L. Davis, C. Miller, J.B. Matovu, W. Worodria, L. Huang, D.A. Fletcher, A. Cattamanchi
Automated tuberculosis diagnosis using fluorescence images from a mobile microscope
Med Image Comput Comput Assist Interv. 15, 345-52 (2012)
J. Chang, P. Arbeláez, N. Switz, C. Reber, A. Tapley, J.L. Davis, A. Cattamanchi, D.A. Fletcher, J. Malik
Mobile phone based clinical microscopy for global health applications
PLOS ONE 4, e6320 (2009)
D.N. Breslauer, R.N. Maamari, N.A. Switz, W.A. Lam, D.A. Fletcher
Selected Press
The health lab in your pocket
Berkeley Engineer magazine. Spring 2021
Video: La Nuit du Vivant
Series of of 21 short films using CellScope to illustrate the beauty of decomposing.
December 2014
Audio: The Future of U.S. Foreign Aid
Rajiv Shah of USAID talking about CellScope on The Nnamdi Kojo Show, part of WAMU 88.5, American University Radio.
(CellScope starts at 28:00). May 2013
Mobile Microscopes: Turning cell phones into basic research tools can improve health care in the developing world
The Scientist, June 2013
Why Your iPhone Upgrade is Good for the Poor
Wall Street Journal, Prof. Daniel Fletcher. September 2013
Mobile medicine on The Colbert Report
Otoscope from CellScope Inc. is featured on The Colbert Report on Comedy Central. CellScope starts at 4:19). March 2013
Video: Education at ASCB
The American Society of Cell Biology (ASCB) interviews Dr. Eva Schmid on CellScope and education. December 2012
Medical photo sharing app could change the world
SFGate. June 2011
Video: Elementary education at the California Academy of Sciences
The California Academy of Sciences in San Francisco interviews Dr. Eva Schmid, Dr. Oliver Hoeller and Middle school teacher Saber Khan on the use of CellScope for education. October 2011
UC Berkeley researchers bring fluorescent imaging to mobile phones for low-cost screening in the field
Press Release, UC Berkeley News, by Sarah Yang. July 2009
CellScope Wins Intel Inspire-Empower Challenge
Press Release, UC Berkeley, Bioengineering Department. April 2009
Fletcher Funded by Microsoft to Develop CellScope
Press Release, UC Berkeley, Bioengineering Department. January 2008