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Vapor and Gas-Bubble Growth Dynamics around Laser-Irradiated, Water-Immersed Plasmonic Nanoparticles.
The growth dynamics of nucleating bubbles around laser-irradiated, water-immersed Au plasmonic nanoparticles are studied to determine the exact origin of the occurrence and growth of these bubbles.
Deep learning approach to peripheral leukocyte recognition
- Qiwei Wang, S. Bi, Minglei Sun, Yuliang Wang, Di Wang, Shaobao Yang
- Computer SciencePloS one
- 25 June 2019
This paper takes leukocyte recognition as object detection task and applies two remarkable object detection approaches, Single Shot Multibox Detector and An Incremental Improvement Version of You Only Look Once to improve recognition performance.
Boundary slip study on hydrophilic, hydrophobic, and superhydrophobic surfaces with dynamic atomic force microscopy.
Experimental results for hydrophilic, hydrophobic, and superhydrophobic surfaces show that the hydrodynamic damping coefficient decreases from the Hydrophilic surface to the hydphobic surface and from theHydrophobic one to the superhydrophic one.
Boundary slip and nanobubble study in micro/nanofluidics using atomic force microscopy
The boundary condition at the solid–liquid interface on the micro/nanoscale is an important issue in micro/nanofluidic systems, where drag forces between fluids and solid walls need to be minimized.…
Coalescence and movement of nanobubbles studied with tapping mode AFM and tip–bubble interaction analysis
Imaging of a polystyrene (PS) coated silicon wafer immersed in deionized (DI) water was conducted using atomic force microscopy (AFM) in the tapping mode (TMAFM). As reported earlier, spherical…
Atomic force microscopy measurement of boundary slip on hydrophilic, hydrophobic, and superhydrophobic surfaces
Reduction in drag is important in fluid flow applications. So called boundary slip, a measure of relative fluid velocity at the solid-fluid interface, affects the drag. The slip is a function of the…
Segmentation of the Clustered Cells with Optimized Boundary Detection in Negative Phase Contrast Images
An automated cell image segmentation algorithm is developed to get improved cell boundary detection and segmentation of the clustered cells for all cells in the field of view in negative phase contrast images.
Laser impact welding application in joining aluminum to titanium
Thin metal foil joining has wide applications in medical device and microelectronics. In this paper, laser impact welding was implemented to join aluminum foil to titanium sheet. The velocity of Al…
Giant and explosive plasmonic bubbles by delayed nucleation
- Yuliang Wang, M. Zaytsev, D. Lohse
- PhysicsProceedings of the National Academy of Sciences
- 11 July 2018
The nucleation and early life phase of a plasmonic vapor bubble is revealed, which displays the most violent dynamics and is the precursor and origin of all subsequent dynamics, on which the many applications rely.
Plasmonic Bubble Nucleation and Growth in Water: Effect of Dissolved Air
- Xiaolai Li, Yuliang Wang, D. Lohse
- Materials Science, PhysicsThe journal of physical chemistry. C…
- 28 August 2019
This work quantitatively study the effect of the amount of dissolved air on the bubble nucleation and growth dynamics, both for the initial giant bubble, which forms shortly after switching on the laser and is mainly composed of vapor, and for the final life phase, during which it mainly contains air expelled from water.