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Effect of electrical stimulation on red meat Neu5Gc content reduction: a combined experimental and DFT study

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Food Science and Human Wellness 2022年第4期11卷 982-991页

作者： Aqi Xu rui chang Qiujin Zhu School of Liquor and Food Engineering Guizhou UniversityKey Laboratory of Agricultural and Animal Products Store and Processing of Guizhou ProvinceGuiyang 550025China

The hazardous substance Neu5Gc(N-glycolylneuraminic acid), which is rich in red meat, is related to chronic inflammation but is hard to eliminate. Here, electrical stimulation, as a food-friendly nonthermal processing technology, was applied to red meat samples to reduce the Neu5Gc content. To explore the Neu5Gc structure changes during this process, electronic structure parameters were evaluated, and AIM( atom in molecules) theory and DFT(density function theory) calculations were further used. The results showed that the content of Nue5Gc in red meat can be reduced by(74.24 ± 0.69)% at 120 V for 50 s, with little impact on the meat texture and color. Theoretical calculations indicated that the Neu5Gc molecule becomes very unstable under electrical stimulation by increasing the O-H bond length, reactive activity, strength of intermolecular dipole forces and total energy through reducing the values of bond dissociation energy and strength of intramolecular hydrogen bonds. Overall, this research provides an economical method to effectively control red meat safety.

关键词： Electrical stimulation Neu5Gc Inflammation Electronic structure Density function theory

A TrustEnclave-Based Architecture for Ensuring Run-Time Security in Embedded Terminals

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Tsinghua Science and Technology 2017年第5期22卷 447-457页

作者： rui chang Liehui Jiang Wenzhi Chen Yaobin Xie Zhongyong Lu the State Key Laboratory of Mathematic Engineering and Advanced Computing the Department of Computer Zhejiang University

The run-time security guarantee is a hotspot in current cyberspace security research, especially on embedded terminals, such as smart hardware as well as wearable and mobile devices. Typically, these devices use universal hardware and software to connect with public networks via the Internet, and are probably open to security threats from Trojan viruses and other malware. As a result, the security of sensitive personal data is threatened and economic interests in the industry are compromised. To address the run-time security problems efficiently, first, a TrustEnclave-based secure architecture is proposed, and the trusted execution environment is constructed by hardware isolation technology. Then the prototype system is implemented on real TrustZone-enabled hardware devices. Finally, both analytical and experimental evaluations are provided. The experimental results demonstrate the effectiveness and feasibility of the proposed security scheme.

关键词： run-time security trusted execution environment hardware isolation TrustZone

Cross-cultural adaptation of the Management of Aggression and Violence Attitude Scale for nurse in emergency department

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Frontiers of Nursing 2019年第2期6卷 107-114页

作者： rui chang Hui Yang Shanxi Medical University

Objective: To follow the guidelines of intercultural adaptation provided by the American Academy of Orthopedic Surgeons’(AAOS) Evidence-Based Medicine Committee, translating the original scale and evaluating the reliability and validity, and then to compile the Chinese version of the Management of Aggression and Violence Attitude Scale (MAVAS) for nurses in emergency room in the mainland of China. Methods: This study consists of two phases of testing:(1) translation: forward translation, synthesis, back translation, expert committee review, and pretesting;(2) psychometric properties: content and construct validity, internal consistency, and test–retest reliability. Results: The Chinese version of MAVAS and the original version showed excellent similarities and equivalence. The average Scalelevel Content Validity Index was 0.904, and the Item-level Content Validity Index ranged from 0.80 to 1.00. The construct validity was tested using confirmatory factor analysis by LISREL 8.7;χ2/df of the scale was 4.7810.90, indicating that the scale’s factor structure model fitted better. The internal consistency was satisfactory (scale, Cronbach’s α=0.94;subscales, Cronbach’s α=0.74–0.90), and the test–retest reliability over 2 weeks was good (scale, Pearson’s coefficient=0.996;subscales, Pearson’s coefficient=0.801–0.963). Conclusions: The Chinese version of MAVAS had an excellent feasibility. It was found to be a valid and reliable tool to assess nurses’ attitude toward patients’ violence in emergency department.

关键词： violence cross-cultural adaptation MAVAS emergency department, ED psychometric properties

Synthesis and photoreaction mechanism of a novel bifunctional photochromic compound

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Chinese Chemical Letters 2007年第5期18卷 519-522页

作者： chang rui Zhang Wen Peng Yan Mei Gong Fan Technical Institute of Physics and Chemistry Chinese Academy of Sciences （CAS） Beijing 100080 China Graduate School of Chinese Academy of Sciences （GSCAS） Beijing 100039 China

New functionalized spiroxazine containing azo group has been prepared and its photochromic mechanism has been investigated by laser induced time-resolved techniques.

关键词： Spiroxazine Azobenzene Photochromism

Assessment of wind and photovoltaic power potential in China

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Carbon Neutrality 2022年第1期1卷 428-438页

作者： Yang Wang Qingchen Chao Lin Zhao rui chang National Climate Center China Meteorological AdministrationBeijing 100081China China National Offshore Oil Corporation Research Institute Beijing 100028China

Decarbonization of the energy system is the key to China’s goal of achieving carbon neutrality by ***,the potential of wind and photovoltaic(PV)to power China remains unclear,hindering the holistic layout of the renewable energy development ***,we used the wind and PV power generation potential assessment system based on the Geographic Information Systems(GIS)method to investigate the wind and PV power generation potential in ***,the high spatial-temporal resolution climate data and the mainstream wind turbines and PV modules,were used to assess the theoretical wind and PV power ***,the technical,policy and economic(i.e.,theoretical power generation)constraints for wind and PV energy development were comprehensively considered to evaluate the wind and solar PV power generation potential of China in *** results showed that,under the current technological level,the wind and PV installed capacity potential of China is about 56.55 billion kW,which is approximately 9 times of those required under the carbon neutral *** wind and PV power generation potential of China is about 95.84 PWh,which is approximately 13 times the electricity demand of China in *** rich areas of wind power generation are mainly distributed in the western,northern,and coastal provinces of *** the rich areas of PV power generation are mainly distributed in western and northern ***,the degree of tapping wind and PV potential in China is not high,and the installed capacity of most provinces in China accounted for no more than 1%of the capacity potential,especially in the wind and PV potential-rich areas.

关键词： Wind Photovoltaic Capacity potential Power potential Carbon neutrality

Semaphorin 3A expression in spinal cord injured rats after olfactory ensheathing cell transplantation

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Neural Regeneration Research 2011年第10期6卷 756-761页

作者： Guoyu Wang Xijing He Puwei Yuan Haopeng Li rui chang Second Department of Orthopedics Second Hospital of Xi'an Jiaotong University Xi'an 710004 Shaanxi Province China

Semaphorin 3A expression is thought to increase following spinal cord *** impact of olfactory ensheathing cell transplantation remains *** current study demonstrated that spinal cord hemorrhage,edema,degeneration,necrosis,cyst formation,proliferation of glial cells,regeneration of nerve fibers and various pathological reactions occurred following a simple cross-section of spinal cord *** of olfactory ensheathing cells was found to significantly relieve the pathological reactions in the spinal cord described above,decrease the extent of necrosis in damaged neurons and nerve fibers,and downregulate semaphorin 3A expression in the injured *** results confirmed that olfactory ensheathing cell transplantation plays a protective role on the injured spinal cord by reducing the expression of semaphorin 3A.

关键词： olfactory ensheathing cells cell transplantation spinal cord injury tissue pathology semaphorin 3A neural regeneration

A Premonitory Sign of Anomalous SSTs over the Eastern Equatorial Pacific and a Forecasting Experiment

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Atmospheric and Oceanic Science Letters 2009年第5期2卷 255-260页

作者： ZHANG Qing-Yun chang rui State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China Center for Disastrous Climate Research and Prediction Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China

A premonitory sign of an anomalous SST over the eastern equatorial Pacific shows up in the North Pacific Subtropical Mode Water (STMW) 18 months earlier,and the air-sea relationship between the STMW and the anomalous SST over the eastern equatorial Pacific is *** premonitory connection involves an air-sea coupling between the longtime persistent mid-latitude sea surface temperature anomaly (SSTA) induced by the remote re-emergence of the STMW and the following spring subtropical atmospheric circulation *** examination of the air-sea interaction reveals that the following spring subtropical atmospheric circulation,which responds to the longtime persistent SSTA,is dominated by the anomalous negative (positive) geopotential height downstream of the negative (positive) SSTA in the strong (weak) STMW ***,the tropics adjust to these anomalies through coupled dynamics,producing positive (negative) SST anomalies over the eastern equatorial Pacific.A cold water event that occurred over the eastern equatorial Pacific during winter 2008-09 was successfully forecasted by the weak summer STMW index in *** evolution of this process for the air-sea interactions from the autumn of 2007 to December 2008 is presented.

关键词： premonitory sign Nino3 index STMW airsea interact

The Role of the Equatorial Currents on the Evolution of SSTA in the Eastern Pacific during Two Different Kinds of El Nio Events

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Atmospheric and Oceanic Science Letters 2008年第1期1卷 57-63页

作者： chang rui ZHANG Qing-Yun Centre for Disastrous Climate Research and Prediction Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029 China Graduate Universiry of Chinese Academy of Sciences Beijing 100049 China State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029. China

Based on the Simple Ocean Data Assimilation （SODA） from 1970 to 2001, equatorial currents and their association with the warm water propagation mechanism during two patterns of El Nifio events are studied. In this study, the middle-pattern of E1 Nifio （ME） and the eastern-pattern of E1 Nifio （EE） events are defined as anomalous warm water originating first to the west and the east of 120°W, respectively. It is pointed out that the westerly and eastward anomalous currents in the western Pacific are stronger during the ME event than the EE event, which is conducive to the eastward migration of warm water from western Pacific by zon＇al advection of temperature. In contrast, the weaker westerly and the west- ward anomalous currents east of the dateline would be unfavorable for the eastward migration of warm water during EE events. More importantly, another propagation mechanism of the warm water is attributed to the anomalous convergence of the surface currents, as well as the anomalous divergence of the subsurface currents, which obstruct the upwelling of colder water from the deep ocean. Meanwhile, the anomalous convergence of the surface currents and the anomalous divergence of the subsurface currents maintain eastward migration, which plays an important role in the eastward migration of the warm water during ME events. Although there is anomalous convergence in the upper ocean and anomalous divergence in the subsurface ocean during EE events, they appear quasi-stationary in the western Pacific. The warm water over the eastern Pacific during EE events is caused by the local anomalous convergence of surface currents and the anomalous divergence of subsurface currents.

关键词： middle-pattern of E1 Nifio eastern-pattern of E1 Nifio equatorial currents

Prolonged milk provisioning and extended maternal care in the milking spider Toxeus magnus: biological implications and questions unresolved

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Zoological Research 2019年第4期40卷 241-243页

作者： Bing Dong rui-chang Quan Zhan-Qi Chen CAS Key Laboratory of Tropical Forest Ecology Xishuangbanna Tropical Botanical GardenChinese Academy of SciencesXishuangbanna Yunnan 666303China Center for Integrative Conservation Xishuangbanna Tropical Botanical GardenChinese Academy of SciencesXishuangbanna Yunnan 666303China University of Chinese Academy of Sciences Beijing 100049China

Prolonged milk provisioning and extended parental care for nutritionally independent offspring, previously considered to only co-occur in long-lived mammals (Clutton-Brock, 1991;Royle et al., 2012), were recently reported in the reproduction of the milking spider, Toxeus magnus (Chen et al. 2018). Newly hatched T. magnus spiderlings require 53 days to develop to maturity, with an average adult body length of 6.6 mm.

关键词： milking spider Toxeus magnus biological implications Prolonged milk provisioning