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Harbin Institute of Technology

3 ARTICLES PUBLISHED IN JoVE

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Bioengineering

Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography
Wei Song *1,2, Qing Wei *1, Shuliang Jiao 3, Hao F. Zhang 1,4
1Department of Biomedical Engineering, Northwestern University, 2Department of Physics, Harbin Institute of Technology, 3Department of Ophthalmology, University of Southern California, 4Department of Ophthalmology, Northwestern University

Photoacoustic ophthalmology (PAOM), an optical-absorption-based imaging modality, provides the complementary evaluation of the retina to the currently available ophthalmic imaging technologies. We report the using of PAOM integrated with spectral-domain optical coherence tomography (SD-OCT) for simultaneous multimodal retinal imaging in rats.

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Chemistry

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions
Xiaojing Lai 1,2, Feng Zhu 2, Jin S. Zhang 3, Dongzhou Zhang 2,4, Sergey Tkachev 4, Vitali B. Prakapenka 4, Bin Chen 2
1Gemmological Institute, China University of Geosciences (Wuhan), 2Hawai'i Institute of Geophysics and Planetology, University of Hawai'i at Mānoa, 3Department of Earth and Planetary Sciences, University of New Mexico, 4Center for Advanced Radiation Sources, University of Chicago

This work focuses on the standard protocol for preparing the externally-heated diamond anvil cell (EHDAC) for generating high-pressure and high-temperature (HPHT) conditions. The EHDAC is employed to investigate materials in Earth and planetary interiors under extreme conditions, which can be also used in solid state physics and chemistry studies.

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JoVE Core

Determining the Mechanical Strength of Ultra-Fine-Grained Metals
Jianing Xu *1,2, Yanju Wang *2, Jinyuan Yan 3, Bin Chen 1,2
1School of Science, Harbin Institute of Technology, 2Center for High Pressure Science and Technology Advanced Research, 3Advanced Light Source, Lawrence Berkeley National Lab

The protocol presented here describes the high-pressure radial diamond-anvil-cell experiments and analyzing the related data, which are essential for obtaining the mechanical strength of the nanomaterials with a significant breakthrough to the traditional approach.

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