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3 results on '"Huang, Xinning"'

1. All-optical phase regeneration in free-space optical communication networks

Author

孙 悦 Sun Yue, 谢小平 Xie Xiaoping, 黄新宁 Huang Xinning, and 温 钰 Wen Yu

Subjects
All optical, Materials science, Space and Planetary Science, business.industry, Regeneration (biology), Phase (waves), Aerospace Engineering, Optoelectronics, Electrical and Electronic Engineering, business, Atomic and Molecular Physics, and Optics, Free-space optical communication
Published
2019

2. Enzymatic degradation of aliphatic nitriles by Rhodococcus rhodochrous BX2, a versatile nitrile-degrading bacterium

Author

Feng Lu, Xuejiao An, Chunyan Li, Ning Hou, Huang Xinning, Cheng Yi, Liu Hongyuan, and Shumei Fang

Subjects
Environmental Engineering, Nitrile, Bioengineering, Nitrilase, Amidase, Amidohydrolases, Water Purification, chemistry.chemical_compound, Species Specificity, Nitrile hydratase, Aminohydrolases, Nitriles, Organic chemistry, Rhodococcus, Microbial biodegradation, Acetonitrile, Waste Management and Disposal, Hydro-Lyases, biology, Renewable Energy, Sustainability and the Environment, General Medicine, Rhodococcus rhodochrous, biology.organism_classification, Biodegradation, Environmental, chemistry, Acrylonitrile, Water Pollutants, Chemical
Abstract

Nitriles are common environmental pollutants, and their removal has attracted increasing attention. Microbial degradation is considered to be the most acceptable method for removal. In this work, we investigated the biodegradation of three aliphatic nitriles (acetonitrile, acrylonitrile and crotononitrile) by Rhodococcus rhodochrous BX2 and the expression of their corresponding metabolic enzymes. This organism can utilize all three aliphatic nitriles as sole carbon and nitrogen sources, resulting in the complete degradation of these compounds. The degradation kinetics were described using a first-order model. The degradation efficiency was ranked according to t1/2 as follows: acetonitrile>trans-crotononitrile>acrylonitrile>cis-crotononitrile. Only ammonia accumulated following the three nitriles degradation, while amides and carboxylic acids were transient and disappeared by the end of the assay. mRNA expression and enzyme activity indicated that the tested aliphatic nitriles were degraded via both the inducible NHase/amidase and the constitutive nitrilase pathways, with the former most likely preferred.

Published
2014

3. Theoretical and Experimental Research of Polarization Insensitive Optical Wavelength Convertor in a Photonic Crystal Fiber

Author

Wang Wei, Han Biao, Feng Huan, Xie Xiaoping, Huang Xinning, Qian Fengchen, Su Yulong, Hu Hui, and Duan Tao

Subjects
Materials science, business.industry, Polarization-maintaining optical fiber, Microstructured optical fiber, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Optics, Zero-dispersion wavelength, Nonlinear photonic crystal, Dispersion-shifted fiber, Electrical and Electronic Engineering, Plastic optical fiber, business, Photonic-crystal fiber, Photonic crystal
Published
2015

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