Optical Technologies for Improving Healthcare in Low-Resource Settings: introduction to the feature issue

Audrey K. Bowden, Nicholas J. Durr, David Erickson, Aydogan Ozcan, Nirmala Ramanujam, and Paulino Vacas Jacques

Biomed. Opt. Express 11(6), 3091-3094 (2020)  View: HTML | PDF

In vivo imaging of cervical precancer using a low-cost and easy-to-use confocal microendoscope

Yubo Tang, Alex Kortum, Sonia G. Parra, Imran Vohra, Andrea Milbourne, Preetha Ramalingam, Paul A. Toscano, Kathleen M. Schmeler, and Rebecca R. Richards-Kortum

Biomed. Opt. Express 11(1), 269-280 (2020)  View: HTML | PDF

Generative optical modeling of whole blood for detecting platelets in lens-free images

Benjamin D. Haeffele, Christian Pick, Ziduo Lin, Evelien Mathieu, Stuart C. Ray, and René Vidal

Biomed. Opt. Express 11(4), 1808-1818 (2020)  View: HTML | PDF

Compact off-axis holographic slide microscope: design guidelines

Teresa Cacace, Vittorio Bianco, Biagio Mandracchia, Vito Pagliarulo, Emilia Oleandro, Melania Paturzo, and Pietro Ferraro

Biomed. Opt. Express 11(5), 2511-2532 (2020)  View: HTML | PDF  [Suppl. Mat. (1)]

Smartphone epifluorescence microscopy for cellular imaging of fresh tissue in low-resource settings

Wenbin Zhu, Giacomo Pirovano, Patrick K. O’Neal, Cheng Gong, Nachiket Kulkarni, Christopher D. Nguyen, Christian Brand, Thomas Reiner, and Dongkyun Kang

Biomed. Opt. Express 11(1), 89-98 (2020)  View: HTML | PDF

Whole slide imaging system using deep learning-based automated focusing

Tathagato Rai Dastidar and Renu Ethirajan

Biomed. Opt. Express 11(1), 480-491 (2020)  View: HTML | PDF

Frugal filtering optical lenses for point-of-care diagnostics

Joanna Long, Helen E. Parker, Katjana Ehrlich, Michael G. Tanner, Kevin Dhaliwal, and Bethany Mills

Biomed. Opt. Express 11(4), 1864-1875 (2020)  View: HTML | PDF

Visualization of blood cell contrast in nailfold capillaries with high-speed reverse lens mobile phone microscopy

Gregory N. McKay, Nela Mohan, Ian Butterworth, Aurélien Bourquard, Álvaro Sánchez-Ferro, Carlos Castro-González, and Nicholas J. Durr

Biomed. Opt. Express 11(4), 2268-2276 (2020)  View: HTML | PDF  [Suppl. Mat. (2)]

Robotic microscopy for everyone: the OpenFlexure microscope

Joel T. Collins, Joe Knapper, Julian Stirling, Joram Mduda, Catherine Mkindi, Valeriana Mayagaya, Grace A. Mwakajinga, Paul T. Nyakyi, Valerian L. Sanga, Dave Carbery, Leah White, Sara Dale, Zhen Jieh Lim, Jeremy J. Baumberg, Pietro Cicuta, Samuel McDermott, Boyko Vodenicharski, and Richard Bowman

Biomed. Opt. Express 11(5), 2447-2460 (2020)  View: HTML | PDF

Fluorometric optical sensor arrays for the detection of urinary bladder cancer specific volatile organic compounds in the urine of patients with frank hematuria: a prospective case-control study

Simian Zhu, Zhihong Huang, and Ghulam Nabi

Biomed. Opt. Express 11(2), 1175-1185 (2020)  View: HTML | PDF

Fiber optic interferometric immunosensor based on polydimethilsiloxane (PDMS) and bioactive lipids

Mildred S. Cano-Velázquez, Luz M. López-Marín, and Juan Hernández-Cordero

Biomed. Opt. Express 11(3), 1316-1326 (2020)  View: HTML | PDF

Geometrical-optics approach to measure the optical density of bacterial cultures using a LED-based photometer

Massimiliano Lucidi, Marco Marsan, Francesco Pudda, Mattia Pirolo, Emanuela Frangipani, Paolo Visca, and Gabriella Cincotti

Biomed. Opt. Express 10(11), 5600-5610 (2019)  View: HTML | PDF

Cell phone digital microscopy using an oil droplet

Nicole Anna Szydlowski, Haoran Jing, Mohamed Alqashmi, and Ying Samuel Hu

Biomed. Opt. Express 11(5), 2328-2338 (2020)  View: HTML | PDF

Detail-preserving pulse wave extraction from facial videos using consumer-level camera

Dingliang Wang, Xuezhi Yang, Xuenan Liu, Jin Jing, and Shuai Fang

Biomed. Opt. Express 11(4), 1876-1891 (2020)  View: HTML | PDF

Hyperspectral imaging enabled by an unmodified smartphone for analyzing skin morphological features and monitoring hemodynamics

Qinghua He and Ruikang Wang

Biomed. Opt. Express 11(2), 895-910 (2020)  View: HTML | PDF

Simple and affordable imaging of multiple physiological parameters with RGB camera-based diffuse reflectance spectroscopy

Izumi Nishidate, Masashi Minakawa, Daniel McDuff, MD. Abdul Wares, Kazuya Nakano, Hideaki Haneishi, Yoshihisa Aizu, and Kyuichi Niizeki

Biomed. Opt. Express 11(2), 1073-1091 (2020)  View: HTML | PDF

Prefrontal functional connectivity analysis of cognitive decline for early diagnosis of mild cognitive impairment: a functional near-infrared spectroscopy study

Jin-Woo Yu, Sung-Ho Lim, Bomin Kim, Eunho Kim, Kyungsoo Kim, Sung Kyu Park, Young Seok Byun, Joon Sakong, and Ji-Woong Choi

Biomed. Opt. Express 11(4), 1725-1741 (2020)  View: HTML | PDF

Trans-pars-planar illumination enables a 200° ultra-wide field pediatric fundus camera for easy examination of the retina

Devrim Toslak, Felix Chau, Muhammet Kazim Erol, Changgeng Liu, R. V. Paul Chan, Taeyoon Son, and Xincheng Yao

Biomed. Opt. Express 11(1), 68-76 (2020)  View: HTML | PDF  [Suppl. Mat. (1)]