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The Probe-Particle Model combine theories designed for the simulation of scanning probe microscopy experiments, employing non-reactive, flexible tip apices to achieve sub-molecular resolution. In the article we present the latest version of…

Mesoscale and Nanoscale Physics · Physics 2024-07-02 Niko Oinonen , Aliaksandr V. Yakutovich , Aurelio Gallardo , Martin Ondracek , Prokop Hapala , Ondrej Krejci

We present a detailed modeling and characterization of our scalable microwave nanoprobe, which is a micro-fabricated cantilever-based scanning microwave probe with separated excitation and sensing electrodes. Using finite-element analysis,…

Other Condensed Matter · Physics 2008-09-24 K. Lai , W. Kundhikanjana , M. Kelly , Z. X. Shen

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

Sample preparation is an indispensable component of almost all biochemical protocols, and it involves, among others, making dilutions and mixtures of fluids in certain ratios. Recent microfluidic technologies offer suitable platforms for…

Emerging Technologies · Computer Science 2019-01-03 Sudip Poddar , Robert Wille , Hafizur Rahaman , Bhargab B. Bhattacharya

Large-scale microfluidic microsystems with complex three-dimensional (3D) configurations are highly in demand by both fundamental research and industrial application, holding the potentials for fostering a wide range of innovative…

Applied Physics · Physics 2020-01-13 Zijie Lin , Jian Xu , Yunpeng Song , Xiaolong Li , Peng Wang , Wei Chu , Zhenhua Wang , Ya Cheng

Surface Force Apparatus (SFA) allows to accurately resolve the interfacial properties of fluids confined between extended surfaces. The accuracy of the SFA makes it an ubiquitous tool for the nanoscale mechanical characterization of soft…

Instrumentation and Detectors · Physics 2019-05-22 Antoine Lainé , Laetitia Jubin , Luca Canale , Lydéric Bocquet , Alessandro Siria , Stephen H. Donaldson , Antoine Niguès

This paper presents the design and fabrication of batch-processed cantilever probes with electrical shielding for scanning microwave impedance microscopy. The diameter of the tip apex, which defines the electrical resolution, is less than…

Instrumentation and Detectors · Physics 2013-01-14 Yongliang Yang , Keji Lai , Qiaochu Tang , Worasom Kundhikanjana , Michael A Kelly , Kun Zhang , Zhi-xun Shen , Xinxin Li

Photoacoustic (PA) endoscopy has shown significant potential for clinical diagnosis and surgical guidance. Multimode fibres (MMFs) are becoming increasing attractive for the development of miniature endoscopy probes owing to ultrathin size,…

The combination of microwave and microfluidic technologies has the potential to enable wireless monitoring and interaction with bioparticles, facilitating in this way the exploration of a still largely uncharted territory at the…

Systems and Control · Electrical Eng. & Systems 2022-09-21 Cesar Palacios , Marc Jofre , Lluis Jofre , Jordi Romeu , Luis Jofre-Roca

Modern interfacial science is increasingly multi-disciplinary. Unique insight into interfacial interactions requires new multimodal techniques for interrogating surfaces with simultaneous complementary physical and chemical measurements. We…

Instrumentation and Detectors · Physics 2019-07-23 Hilton B. de Aguiar , Joshua D. McGraw , Stephen H. Donaldson

Small volume fluid handling in single and multiphase microfluidics provides a promising strategy for efficient bio-chemical assays, low-cost point-of-care diagnostics and new approaches to scientific discoveries. However multiple barriers…

Instrumentation and Detectors · Physics 2015-06-22 George Korir , Manu Prakash

Advances in chip-scale photonic-electronic integration are enabling a new generation of foundry-manufacturable implantable silicon neural probes incorporating nanophotonic waveguides and microelectrodes for optogenetic stimulation and…

Scanning probe microscopy (SPM) images of regularly arranged spatially periodic objects can be processed crystallographically. The resulting information may be used to remove from the SPM image distortions that are due to a less than…

Materials Science · Physics 2020-12-16 Peter Moeck

Computational Cannula Microscopy (CCM) is a high-resolution widefield fluorescence imaging approach deep inside tissue, which is minimally invasive. Rather than using conventional lenses, a surgical cannula acts as a lightpipe for both…

Image and Video Processing · Electrical Eng. & Systems 2020-12-02 Ruipeng Guo , Zhimeng Pan , Andrew Taibi , Jason Shepherd , Rajesh Menon

We experimentally demonstrate the fabrication of optical micro/nanofibers (MNFs) using chemical etching and gas-flame techniques. In the chemical etching technique, a two-step process involves 40% and 24% of hydrofluoric acid solutions for…

Blood-mimicking fluids (BMFs) play a critical role in ultrasonic imaging and Doppler flow studies by replicating the physical and acoustic properties of blood. This study introduces a novel soybean oil-in-water emulsion as a BMF with…

Design of microfluidic biochips has led to newer challenges to the EDA community due to the availability of various flow-based architectures and the need for catering to diverse applications such as sample preparation, personalized…

Emerging Technologies · Computer Science 2021-07-28 Tapalina Banerjee , Sudip Poddar , Tsung-Yi Ho , Bhargab B. Bhattacharya

We present an alternative switching-magnetization magnetic force microscopy (SM- MFM) method using planar tip-on-chip probes. Unlike traditional needle-like tips, the planar probe approach integrates a microdevice near the tip apex with…

Microplasmas can be used for a wide range of technological applications and to improve our understanding of fundamental physics. Scanning electron microscopy, on the other hand, provides insights into the sample morphology and chemistry of…

For over three decades, scanning probe microscopy (SPM) has been a key method for exploring material structures and functionalities at nanometer and often atomic scales in ambient, liquid, and vacuum environments. Historically, SPM…