Hongjie An

ORCID: 0000-0003-4095-1751
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About
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Research Areas
  • Minerals Flotation and Separation Techniques
  • Force Microscopy Techniques and Applications
  • Advanced biosensing and bioanalysis techniques
  • Microfluidic and Bio-sensing Technologies
  • Pickering emulsions and particle stabilization
  • Characterization and Applications of Magnetic Nanoparticles
  • nanoparticles nucleation surface interactions
  • Iron oxide chemistry and applications
  • Polysaccharides and Plant Cell Walls
  • Innovative Microfluidic and Catalytic Techniques Innovation
  • Nanopore and Nanochannel Transport Studies
  • Microfluidic and Capillary Electrophoresis Applications
  • Electrohydrodynamics and Fluid Dynamics
  • Surface Modification and Superhydrophobicity
  • Calcium Carbonate Crystallization and Inhibition
  • Polysaccharides Composition and Applications
  • Postharvest Quality and Shelf Life Management
  • Plasma Applications and Diagnostics
  • Molecular Biology Techniques and Applications
  • Nanocomposite Films for Food Packaging
  • Nanoparticles: synthesis and applications
  • Food composition and properties
  • Graphene research and applications
  • RNA Interference and Gene Delivery
  • Ultrasound and Cavitation Phenomena

Griffith University
2019-2025

Nanyang Technological University
2016-2019

Australian National University
2014-2016

The University of Adelaide
2010-2014

Tianjin University of Science and Technology
2007-2013

Shanghai Jiao Tong University
2004-2010

Xingtai University
2010

Tianjin University
2010

Flinders University
2010

Henan University of Technology
2007-2008

Nanosilver is increasingly used in the food industry and biomedical applications. A lot of studies have been done to investigate potential toxicity nanosilver. But information on whether or how nanosilver particles bring changes genetic materials remains scant. In this study, replication fidelity rpsL gene was quantified when were present polymerase chain reactions (PCRs) cell cultures E. coli transformed with wild-type gene. Three types (silver nanopowder, SN; silver–copper SCN; colloidal...

10.1088/0957-4484/20/8/085102 article EN Nanotechnology 2009-02-02

The electrolysis of aqueous solutions produces that are supersaturated in oxygen and hydrogen gas. This results the formation gas bubbles, including nanobubbles ∼100 nm size stable for ∼24 h. These containing bubbles have been evaluated cleaning efficacy removal model contaminants bovine serum albumin lysozyme from surfaces prevention fouling by these same proteins. Hydrophilic hydrophobic were investigated. It is shown can prevent they also clean already fouled surfaces. argued practical...

10.1021/acs.langmuir.6b01004 article EN Langmuir 2016-04-23

Micro-nanoscale core–shell particles are distinguishable from other particle types because of their unique composition. Core-shell combine the features both core and shell materials, while exhibiting smart properties resulting materials. In past few years, research community has paid increasing attention to generation application structures. The present review focuses on microparticles, which have found practical applications in various fields. novel microparticles make them extremely...

10.1016/j.jsamd.2020.09.001 article EN cc-by Journal of Science Advanced Materials and Devices 2020-09-10

Nanogold may not glitter, but its presence significantly improves the specificity and yield of PCR reactions owing to greater affinity gold nanoparticles single-stranded DNA than double-stranded which helps reduce mispairing. Indeed, gel electrophoresis shows a single predominant band for target obtained by this method, in contrast streaking bands products conventional (lanes 1 2; see image).

10.1002/anie.200500403 article EN Angewandte Chemie International Edition 2005-06-08

The existence of bulk nanobubbles has long been regarded with scepticism, due to the limitations experimental techniques and widespread assumption that spherical bubbles cannot achieve stable equilibrium. We develop a model for stability based on observation zeta potential abruptly diverges from planar value below 10 μm. Our calculations recover three persistently reported-but disputed-properties nanobubbles: they stabilize at typical radius ∼100 nm, this is bounded 1 μm, it increases ionic...

10.1103/physrevlett.124.134503 article EN Physical Review Letters 2020-04-03

10.1016/j.cocis.2021.101428 article EN Current Opinion in Colloid & Interface Science 2021-02-10

Currently there is no widespread agreement on an explanation for the stability of surface nanobubbles. One means by which several explanations can be differentiated through predictions they make about degree permeability gas-solution interface. Here we test hypothesis that interface nanobubbles permeable experimental measurements exchange carbon dioxide. We present attenuated total reflection Fourier transform infrared (ATR-FTIR) and atomic force microscopy (AFM), demonstrating gas inside...

10.1021/nn5016049 article EN ACS Nano 2014-05-26

We study systematically the cavitation-induced wall shear stress on rigid boundaries as a function of liquid viscosity $\mu$ and stand-off distance $\gamma$ using axisymmetric volume fluid (VoF) simulations. Here, $\gamma =d/R_{max}$ is defined with initial bubble centre from $d$ equivalent radius at its maximum expansion $R_{max}$ . The simulations predict accurately overall dynamics time-dependent film thickness between prior to collapse. spatial temporal discussed in detail inverse...

10.1017/jfm.2021.997 article EN Journal of Fluid Mechanics 2021-12-02

Inertial microfluidics functions solely based on the fluid dynamics at relatively high flow speed. Thus, channel geometry is critical design parameter that contributes to performance of device. Four basic geometries (i.e., straight, expansion-contraction, spiral and serpentine) have been proposed extensively studied. To further enhance performance, innovative through combining two or more promising. This work explores embedding periodic concave convex obstacle microstructures in sinusoidal...

10.1039/d2lc00197g article EN Lab on a Chip 2022-01-01

An integrated theoretical-experimental investigation is performed to understand the photocatalytic and optical properties of Ag/SrTiO3 nanocomposite (Ag/STO). Theoretical reveals that catalytic activity Ag/STO increased when Ag particle size smaller, while opposite correlation observed for its visible-light absorbance efficiency. These insights suggest efficient photocatalyst needs be balanced between active interfacial site density intensity by carefully controlling dosage. Furthermore,...

10.1016/j.jallcom.2024.175322 article EN cc-by Journal of Alloys and Compounds 2024-06-24

Surface nanobubbles produced by supersaturation during the exchange of ethanol for water are routinely observed on hydrophobic surfaces, stable days, and have contact angles that very much greater than macroscopically. Here, we test hypothesis can also be in nonaqueous solvents order to ascertain if their anomalous lifetimes related properties solvent. Nanobubbles were seen protic formamide, ethylammonium nitrate, propylammonium but not propylene carbonate or dimethyl sulfoxide. Solvents...

10.1021/acsnano.5b02915 article EN ACS Nano 2015-07-08

The remarkably long lifetime of surface nanobubbles has perplexed researchers for two decades. current understanding is that both contact line pinning and supersaturation the ambient liquid are strictly required stability nanobubbles, yet experiments show surviving in open systems undersaturated environments. We find this discrepancy can be addressed if effects an attractive hydrophobic potential at solid substrate on spatial distribution gas concentration taken into account. also that, our...

10.1103/physrevlett.120.164502 article EN Physical Review Letters 2018-04-19

Many of the remarkable properties surface nanobubbles, such as unusually small contact angles and long lifetimes, are related to force that pins them onto their substrates. This pinning is yet be quantified experimentally. Here, surface-attached nanobubbles pulled with an atomic microscope tip while mechanical responses observed total internal reflection fluorescence microscopy. We estimate a on order $0.1\ensuremath{\mu}\mathrm{N}$ required unpin nanobubble from its substrate. The maximum...

10.1103/physrevlett.118.054501 article EN Physical Review Letters 2017-01-31

Viscoelastic microfluidics achieves separation of ternary submicron particle mixture and extracellular vesicles with enhanced resolution up to 100 nm.

10.1039/d3nr05410a article EN Nanoscale 2024-01-01
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