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Related papers: Miniaturised Spotter-Compatible Multicapillary Sta…

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The Scanning Tunneling Microscope is a powerful tool for studying the electronic properties at the atomic level, however it's relatively small scanning range and the fact that it can only operate on conducting samples prevents its…

Scanning probe microscopes scan and manipulate a sharp tip in the immediate vicinity of a sample surface. The limited bandwidth of the feedback mechanism used for stabilizing the separation between the tip and the sample makes the fragile…

Micro/nanoliter droplet is capable of achieving versatile applications with tiny volume and substantial surface energy, which is a big plus over bulk liquid. Yet, the contradiction of elaborate manipulation and enough power is still a…

Applied Physics · Physics 2021-07-16 Han Zhang , Jun Yang , Yun Zhou , Jianfeng Zheng , Yong Cheng , Bichao Bai , Guoxin Zhang , Yisheng Lv

We present Monte Carlo (MC) simulation results from a study of a compact plastic-scintillator detector suitable for imaging fast neutrons in the 1 -- 10 MeV energy range: the miniTimeCube (mTC). Originally designed for antineutrino…

The results obtained in laboratory tests, using scintillator bars read by silicon photomultipliers are reported. The present approach is the first step for designing a precision tracking system to be placed inside a free magnetized volume…

Instrumentation and Detectors · Physics 2017-01-04 S. Cecchini , I. D'Antone , L. Degli Esposti , I. Lax , G. Mandrioli , N. Mauri , L. Pasqualini , L. Patrizii , M. Pozzato , G. Sirri , M. Tenti

Iris recognition systems are vulnerable to the presentation attacks, such as textured contact lenses or printed images. In this paper, we propose a lightweight framework to detect iris presentation attacks by extracting multiple…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Meiling Fang , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

The development of an aptamer-based impedimetric sensor for typing of bacteria (AIST-B) is presented. Highly specific DNA aptamers to Salmonella enteritidis were selected via Cell-SELEX technique. Twelve rounds of selection were performed;…

A preconcentrating surface-enhanced Raman scattering (SERS) sensor for the analysis of liquid-soaked tissue, tiny liquid droplets and thin liquid films without the necessity to collect the analyte is reported. The SERS sensor is based on a…

Mesoscale and Nanoscale Physics · Physics 2017-11-27 Longjian Xue , Wei Xie , Leonie Driessen , Katrin F. Domke , Yong Wang , Sebastian Schlücker , Stanislav N. Gorb , Martin Steinhart

Microbubble whispering-gallery resonators have shown great promise in fiber-optic communications because of their low confinement loss and hollow cores, which allow for facile stress-based tunability. Usually, the transmission spectrum of…

Applied Physics · Physics 2020-01-14 Royce Dong , Zheng Fan , Jie Liao , Abraham Qavi , Gui-Lu Long , Lan Yang

The objective of this project is to develop an automated device used to spot protein samples on a hydrophobic membrane to be used for the patented electrophoresis method developed by Chang and Yonan in 2008 [1]. This novel method performs…

Other Quantitative Biology · Quantitative Biology 2023-03-13 Christopher M. Altenderfer , Frank N. Chang , Parsaoran Hutapea

Microfluidics is an established multidisciplinary research domain with widespread applications in the fields of medicine, biotechnology and engineering. Conventional production methods of microfluidic chips have been limited to planar…

A low cost fluorescence-based optical system is developed for detecting the presence of certain microorganisms and molecules within a diluted sample. A specifically designed device setup compatible with conventional 96 well plates is chosen…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Zhendong Cao , Katrina G. Salvante , Ash Parameswaran , Pablo A. Nepomnaschy , Hongji Dai

Reliable measurement of droplet/bubble size and velocity distributions in dense flows is desired in a variety of research fields, both for laboratory and industrial use. A new type of single-mode monofiber optical probe manufactured by A2…

Applied Physics · Physics 2021-10-26 Mathieu Alonzo , Anthony Lefebvre , Zhujun Huang , Stéphane Gluck , Alain Cartellier

We show experimentally that a cheap glass microcapillary can accumulate {\lambda}-phage DNA at its tip and deliver the DNA into the capillary using a combination of electro-osmotic flow, pressure-driven flow, and electrophoresis. We develop…

Portable and cost-effective gas sensors are gaining demand for a number of environmental, biomedical and industrial applications, yet current devices are confined into specialized labs and cannot be extended to general use. Here, we…

Instrumentation and Detectors · Physics 2020-04-10 Giuseppe Antonacci , Jeroen Goyvaerts , Haolan Zhao , Bettina Baumgartner , Bernhard Lendl , Roel Baets

We present the development of the miniTimeCube (mTC), a novel compact neutrino detector. The mTC is a multipurpose detector, aiming to detect not only neutrinos but also fast/thermal neutrons. Potential applications include the…

Detection and characterization of individual nano-scale particles, virions, and pathogens are of paramount importance to human health, homeland security, diagnostic and environmental monitoring[1]. There is a strong demand for…

Optics · Physics 2011-07-06 Lina He , Sahin Kaya Ozdemir , Jiangang Zhu , Woosung Kim , Lan Yang

-This paper presents an inkjet printing capacitive microwave sensor for toxic vapor detection. The designed sensors were presented and fabricated with success. The experiments show sensitivity to ethanol vapor according to the S parameters.…

Instrumentation and Detectors · Physics 2018-02-07 P. Bahoumina , H. Hallil , K Pieper , J Lachaud , D. Rebière , C. Dejous , A Abdelghani , K Frigui , S Bila , D Baillargeat , Q Zhang , P Coquet , E Pichonat , H Happy

The resonant slow light structures created along a thin-walled optical capillary by nanoscale deformation of its surface can perform comprehensive simultaneous detection and manipulation of microfluidic components. This concept is…

Optics · Physics 2023-07-19 M. Sumetsky

A way forward for high throughput fabrication of microcapsules with uniform size and mechanical properties was reported irrespective of the kinetic process of shell assembly. Microcapsules were produced using lab-scale emulsification…

Soft Condensed Matter · Physics 2021-02-12 Mehdi Maleki , Clément de Loubens , Kaili Xie , Emeline Talansier , Hugues Bodiguel , Marc Leonetti