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Université Pierre et Marie Curie, Ecole Normale Supérieure, CNRS

3 ARTICLES PUBLISHED IN JoVE

Medicine

Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function

Ronald X. Xu¹, Kun Huang², Ruogu Qin¹, Jiwei Huang¹, Jeff S. Xu¹, Liya Ding², Urmila S. Gnyawali³, Gayle M. Gordillo³, Surya C. Gnyawali^3,4, Chandan K. Sen³

¹Department of Biomedical Engineering, The Ohio State University, ²Department of Biomedical Informatics, The Ohio State University, ³Comprehensive Wound Center, The Ohio State University, ⁴Department of Surgery, The Ohio State University

A dual-mode imaging system was developed for non-contact assessment of cutaneous tissue oxygenation and vascular function.

JoVE Core

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Olivier Morin¹, Jianli Liu¹, Kun Huang^1,2, Felippe Barbosa³, Claude Fabre¹, Julien Laurat¹

¹Laboratoire Kastler Brossel, Université Pierre et Marie Curie, Ecole Normale Supérieure, CNRS, ²State Key Laboratory of Precision Spectroscopy, East China Normal University, ³Instituto de Física, Universidade de São Paulo

We describe the reliable generation of non-Gaussian states of traveling optical fields, including single-photon states and coherent state superpositions, using a conditional preparation method operated on the non-classical light emitted by optical parametric oscillators. Type-I and type-II phase-matched oscillators are considered and common procedures, such as the required frequency filtering or the high-efficiency quantum state characterization by homodyning, are detailed.

Neuroscience

A Mouse Model of Direct Anastomosis via the Prespinal Route for Crossing Nerve Transfer Surgery

Zhengrun Gao^*1,2, Gaowei Lei^*1, Zhen Pang^*1, Yiming Chen¹, Shuai Zhu¹, Kun Huang¹, Weishan Lin¹, Yundong Shen^1,2,3,4,5, Wendong Xu^1,2,3,4,5

¹Department of Hand Surgery, Huashan Hospital, Fudan University, ²Department of Hand and Upper Extremity Surgery, Jing‘an District Central Hospital, Fudan University, ³The National Clinical Research Center for Aging and Medicine, Fudan University, ⁴Institutes of Brain Science, Fudan University, ⁵State Key Laboratory of Medical Neurobiology, Collaborative Innovation Center of Brain Science, Fudan University

We simulated clinical surgery to establish a protocol of direct anastomosis of bilateral brachial plexus nerves via the prespinal route in mice, contributing to the study of the neural mechanisms underlying rehabilitation upon crossing nerve transfer after central and peripheral nervous system injuries.