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Manipulation of small-scale matter is a fundamental topic in micro- and nanorobotics. Numerous magnetic robotic systems have been developed for the manipulation of microparticles in an ambient environment, liquid as well as on the…

In this paper we introduce a proposal to provide students in labs with an alternative to the traditional visible range spectrophotometers, whose acquisition and maintenance entails high costs, based on smartphones. Our solution faced two…

Human-Computer Interaction · Computer Science 2023-12-14 Carlos Balado Sánchez , Rebeca P. Díaz Redondo , Ana Fernández Vilas , Angel M. Sánchez Bermúdez

Pumping fluids without an aid of an external power source are desirable in a number of applications ranging from a cooling of microelectronic circuits to Micro Total Analysis Systems (micro-TAS). Although, several microfluidic pumps exist,…

Applied Physics · Physics 2019-09-25 Prasoon Kumar , Prasanna S Gandhi , Mainak Majumder

We suggest a low cost, non invasive healthcare system that measures haemoglobin levels in patients and can be used as a preliminary diagnostic test for anaemia. A combination of image processing, machine learning and deep learning…

Machine Learning · Computer Science 2020-12-01 Sarah , S. Sidhartha Narayan , Irfaan Arif , Hrithwik Shalu , Juned Kadiwala

Smartphones sensors are now commonly used by a worldwide audience thanks to their availability, high connectivity, and versatility. Here, we present a methodology to use a collection of smartphones, namely a fleet, as a distributed network…

Instrumentation and Detectors · Physics 2026-01-05 J. Zhang , N. Mokus , J. Casoli , A. Eddi , S. Perrard

Laboratory processes involving small volumes of solutions and active ingredients are often performed manually due to challenges in automation, such as high initial costs, semi-structured environments and protocol variability. In this work,…

Robotics · Computer Science 2024-10-27 Daniel Schober , Ronja Güldenring , James Love , Lazaros Nalpantidis

The control of pneumatically driven soft robots typically requires electronics. Microcontrollers are connected to power electronics that switch valves and pumps on and off. As a recent alternative, fluidic control methods have been…

Smartphone-based heart rate (HR) monitoring apps using finger-over-camera photoplethysmography (PPG) face significant challenges in performance evaluation and device compatibility due to device variability and fragmentation. Manual testing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Ming-Zher Poh , Jonathan Wang , Jonathan Hsu , Lawrence Cai , Eric Teasley , James A. Taylor , Jameson K. Rogers , Anupam Pathak , Shwetak Patel

Dielectrophoresis is an electric field-based technique for moving neutral particles through a fluid. When used for particle separation, dielectrophoresis has many advantages compared to other methods, providing label-free operation with…

Objective: We aim to improve operational robustness of liquid scanning probes. Two main failure modes to be addressed are an obstruction of the flow path of the processing liquid and a deviation from the desired gap distance between probe…

Applied Physics · Physics 2019-01-03 David P. Taylor , Govind V. Kaigala

We report on the development of some process capabilities for a polymer-based, multi-layer microelectrofluidic platform, namely: the hot embossing process, metallization on polymer and polymer bonding. Hot embossing experiments were…

Other Computer Science · Computer Science 2007-11-29 S. -H. Ng , Z. -F. Wang , R. -T. Tjeung , N. De Rooij

Accurately measuring cell stiffness is challenging due to the invasiveness of traditional methods like atomic force microscopy (AFM) and optical stretching. We introduce a non-invasive off-axis system using holographic imaging and acoustic…

This fluid dynamics video showcases how optically induced electrowetting can be used to manipulate liquid droplets in open space and particulate phases inside the droplet. A photoconductive layer is added to a conventional…

Fluid Dynamics · Physics 2009-10-20 Han-Sheng Chuang , Aloke Kumar , Steven T. Wereley

We study experimentally the motion of non-deformable microbeads in a linear shear flow close to a wall bearing a thin and soft polymer layer. Combining microfluidics and 3D optical tracking, we demonstrate that the steady-state bead/surface…

Soft Condensed Matter · Physics 2018-05-16 Heather Davies , Delphine Débarre , Nouha El Amri , Claude Verdier , Ralf P Richter , Lionel Bureau

In this paper, a novel fully 3D, microfluidic-oriented, gel-based, and low-cost highly stretchable resistive sensors have been presented. By the proposed method we are able to measure and discriminate all of the stretch, twist, and pressure…

The micromixing process in microfluidic devices is of central importance in quite a few applications, with microfluidic studies on carbon capture and environmental monitoring being two examples. High surface area to volume ratio in…

Fluid Dynamics · Physics 2025-11-21 Seyed Shahriar Riazi , Seyed Mostafa Hosseinalipour

Digital holography (DH) enables non-contact, noninvasive 3D imaging of transparent and moving microscopic samples by capturing amplitude and phase information in a single shot. In this work, we present a compact, low-cost, real-time…

Optics · Physics 2025-03-18 Yuki Nagahama

This article describes the design and manufacturing of a microfluidic chip, allowing for the actuation of a gas-liquid interface and of the neighboring fluid. A first way to control the interface motion is to apply a pressure difference…

Soft Condensed Matter · Physics 2010-01-04 Jie Xu , Daniel Attinger

In this paper we discuss the use of sensors incorporated in mobile devices as possible mobile laboratories at the service of teaching experimental sciences. Mobile devices, smartphones, tablets, laptops, microbit cards, are a resource for…

Physics Education · Physics 2019-01-17 Martin Monteiro , Cecilia Stari , Cecilia Cabeza , Arturo C. Marti

Reliable hardware connectivity is vital in heterogeneous integrated systems. For example, in digital microfluidics lab-on-a-chip systems, there are hundreds of physical connections required between a micro-electro-mechanical fabricated…

Systems and Control · Electrical Eng. & Systems 2020-04-15 Chunjie Zhang , Yang Su , Siyi Hu , Kai Jin , Yuhan Jie , Wenshi Li , Arokia Nathan , Hanbin Ma