Supplementary Materials

Supplementary Material for:

A smartphone dongle for diagnosis of infectious diseases at the point of care

Tassaneewan Laksanasopin, Tiffany W. Guo, Samiksha Nayak, Archana A. Sridhara, Shi Xie, Owolabi O. Olowookere, Paolo Cadinu, Fanxing Meng, Natalie H. Chee, Jiyoon Kim, Curtis D. Chin, Elisaphane Munyazesa, Placidie Mugwaneza, Alex J. Rai, Veronicah Mugisha, Arnold R. Castro, David Steinmiller, Vincent Linder, Jessica E. Justman, Sabin Nsanzimana, Samuel K. Sia*

*Corresponding author. E-mail: ss2735{at}

Published 4 February 2015, Sci. Transl. Med. 7, 273re1 (2015)
DOI: 10.1126/scitranslmed.aaa0056

This PDF file includes:

  • Materials and Methods
  • Fig. S1. User-activated negative pressure–driven flow.
  • Fig. S2. Smartphone-dongle interface and comparison with benchtop analyzer.
  • Fig. S3. Stability of functionalized protein on microfluidic cassette.
  • Fig. S4. Comparison of blocking agents.
  • Fig. S5. Step-by-step illustration of dongle testing.
  • Fig. S6. Optimization of dongle HIV assay using undiluted whole-blood samples.
  • Fig. S7. Circuit diagram of dongle.
  • Table S1. Bill of dongle materials and cost per component.
  • Table S2. Raw data from field testing in three Rwandan clinics with reference results.
  • Table S3. Raw data from venipuncture whole blood from Columbia University Medical Center (CUMC) with reference results for optimization of HIV antigen concentration.

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