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Frontiers of Chemical Science and Engineering 2024年第8期18卷 1-13页

作者： Xiaoling Xian Biying Li Shiyong Feng Jiale Huang Xinyuan Fu Ting Wu xiaoqing Lin School of Chemical Engineering and Light Industry Guangdong Provincial Key Laboratory of Plant Resources BiorefineryGuangdong University of TechnologyGuangzhou 510006China

In the present study,a sustainable pretreatment methodology combining liquid hot water and deep eutectic solvent is proposed for the efficient fractionation of hemicellulose,cellulose,and lignin from sugarcane bagasse,thereby facilitating the comprehensive utilization of both C5 and C6 *** application of this combined pretreatment strategy to sugarcane bagasse led to notable enhancements in enzymatic saccharification and subsequent *** results demonstrate that liquid hot water-deep eutectic solvent pretreatment yielded 85.05±0.66 g·L^(-1)of total fermentable sugar(glucose:60.96±0.21 g·L^(-1),xylose:24.09±0.87 g·L^(-1))through enzymatic saccharification of sugarcane ***,fermentation of the pretreated sugarcane bagasse hydrolysate yielded 34.33±3.15 g·L^(-1)of *** findings confirm the effectiveness of liquid hot water-deep eutectic solvent pretreatment in separating lignocellulosic components,thus presenting a sustainable and promising pretreatment method for maximizing the valuable utilization of biomass resources.

关键词： sugar cane bagasse synergistic pretreatment enzymatic saccharification ethanol

Gut microbiota intervention attenuates thermogenesis in broilers exposed to high temperature through modulation of the hypothalamic 5‑HT pathway

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Journal of Animal Science and Biotechnology 2024年第2期15卷 679-698页

作者： Sheng Li xiaoqing Li Kai Wang Yansen Li Kentaro Nagaoka Chunmei Li Research Centre for Livestock Environmental Control and Smart Production College of Animal Science and TechnologyNanjing Agricultural UniversityNanjing 210095China Laboratory of Veterinary Physiology Department of Veterinary MedicineFaculty of AgricultureTokyo University of Agriculture and TechnologyTokyo 183‑8509Japan

Background Broilers have a robust metabolism and high body temperature,which make them less tolerant to hightemperature(HT)environments and more susceptible to challenges from elevated *** microbes,functioning as symbionts within the host,possess the capacity to significantly regulate the physiological functions and environmental adaptability of the *** study aims to investigate the effects of gut microbial intervention on the body temperature and thermogenesis of broilers at different ambient temperatures,as well as the underlying mechanism involving the"gut-brain"*** Broilers were subjected to gut microbiota interference with or without antibiotics(control or ABX)starting at 1 day of *** 21 day of age,they were divided into 4 groups and exposed to different environments for 7 d:The control and ABX groups at room temperature(RT,24±1℃,60%relative humidity(RH),24 h/d)and the control-HT and ABX-HT groups at high temperature(HT,32±1℃,60%RH,24 h/d).Results The results demonstrated that the antibiotic-induced gut microbiota intervention increased body weight and improved feed conversion in broiler chickens(Phe microbiota intervention reduced the rectal temperature of broiler chickens(Phe expression of avUCP and thermogenesisrelated genes in breast muscle and liver(Phermogenesis ***,the gut microbiota intervention blunted the hypothalamic‒pituitary‒adrenal axis and hypothalamic–pituitary–thyroid axis activation induced by HT *** analyzing the cecal microbiota composition of control and ABX chickens maintained under HT conditions,we found that Alistipes was enriched in control *** contrast,antibioticinduced gut microbiota intervention resulted in a decrease in the relative abundance of Alistipes(P<0.05).Moreover,this difference was accompanied by increased hypothalamic 5-hydroxytryptamine(5-HT)content and TPH2 expression(P<0.05).Conclus

关键词： 5-HT Broiler chickens Gut microbiota Thermogenesis Thermoregulation

Optical manipulation of ratio-designable Janus microspheres

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Photonics Research 2024年第6期12卷 1239-1249页

作者： YULU CheN CONG ZHAI xiaoqing GAO HAN WANG ZUZENG LIN XIAOWEI ZHOU CHUNGUANG HU State Key Laboratory of Precision Measuring Technology and Instruments Tianjin UniversityTianjin 300072China

Angular optical trapping based on Janus microspheres has been proven to be a novel method to achieve controllable *** contrast to natural birefringent crystals,Janus microspheres are chemically synthesized of two compositions with different refractive ***,their structures can be artificially regulated,which brings excellent potential for fine and multi-degree-of-freedom manipulation in the optical ***,it is a considerable challenge to model the interaction of heterogeneous particles with the optical field,and there has also been no experimental study on the optical manipulation of microspheres with such designable refractive index *** the specific structure affects the kinematic properties of Janus microspheres remains ***,we report systematic research on the optical trapping and rotating of various ratio-designable Janus *** employ an efficient T-matrix method to rapidly calculate the optical force and torque on Janus microspheres to obtain their trapped postures and rotational characteristics in the optical *** have developed a robust microfluidic-based scheme to prepare Janus *** experimental results demonstrate that within a specific ratio range,the rotation radii of microspheres vary linearly and the orientations of microsphere are always aligned with the light polarization *** is of great importance in guiding the design of Janus *** their orientations flip at a particular ratio,all consistent with the *** work provides a reliable theoretical analysis and experimental strategy for studying the interaction of heterogeneous particles with the optical field and further expands the diverse manipulation capabilities of optical tweezers.

关键词： polarization ratio refractive

Polar materials for photocatalytic applications:A critical review

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Interdisciplinary Materials 2024年第4期3卷 530-564页

作者： xiaoqing Liu Yu Zhang Cong Wang Lei Shen Department of Mechanical Engineering National University of SingaporeSingaporeSingapore School of Physics Harbin Institute of TechnologyHarbinPR China School of Materials Science and Engineering Engineering Research Center of Optoelectronic Functional MaterialsMinistry of EducationChangchun University of Science and TechnologyChangchunPR China

The critical challenges of the energy crisis and environmental degradation promote innovative approaches for energy ***-based photocatalytic technology,which transforms solar energy into chemical energy,emerges as a promising ***,the practical application of this technology faces several challenges,such as the rapid recombination of photogenerated electrons and holes,significantly limiting photocatalytic *** this review,we provide a detailed discussion,an insightful perspective,and a critical evaluation of recent advances,challenges,and opportunities in the field of photocatalysis using polar *** present a comprehensive examination of the photocatalytic mechanisms,activity,and diverse applications of photocatalysts based on polar *** also briefly discuss the engineering design of polar photocatalysis in experiments and its scalability in the *** review outlines future trends and potential breakthroughs in the photocatalytic field using polar materials,projecting their transformative impact on environmental chemistry and energy engineering.

关键词： 2D Janus structures ferroelectric materials heterostructures photocatalysts polar materials

Surface engineering of carbon dots for highly sensitive α-glucosidase assay and inhibition evaluation

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Chinese Chemical Letters 2024年第3期35卷 193-197页

作者： Meijuan Liang Gege Song Yeqing Wan Yingying Chen Fuan Wang xiaoqing Liu College of Chemistry and Molecular Sciences Wuhan UniversityWuhan 430072China Oil Crops Research Institute Chinese Academy of Agricultural SciencesWuhan 430062China

Monitoringα-glucosidase(α-Glu)activity is of great significance for the early diagnosis of typeⅡ*** the blue fluorescent carbon dots(CDs)were integrated with two different recognizing molecules,β-cyclodextrin and phenylboronic acid,for assembling a multifunctional CDs(mCDs)nanoplatform for sensitively analyzingα-Glu and its *** hydrolyzed product of 4-nitrophenyl-α-D-glucopyranoside(α-Glu substrate),p-nitrophenol,could efficiently quench the fluorescence of mCDs due to its cooperative molecular recognition withβ-cyclodextrin and phenylboronic *** mCDs could be utilized for the detection ofα-Glu activity with the limit of detection of 0.030 U/***,the presentα-Glu detection platform revealed a high selectivity,and other natural enzymes showed scarcely any effect on the present mCDs *** proposed method could be facilely used to screenα-Glu inhibitors with satisfying *** rational mCDs is expected to supplement more comprehensive biosensing platforms for highly sensitive and specific recognition of disease-relevant biomarkers with clinical importance.

关键词： α-Glucosidase Carbon dots Fluorescent sensor Inhibitor β-Cyclodextrin

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RISC-V处理器嵌入式开发概述

单片机与嵌入式系统应用 2020年第11期20卷 1-6页

作者：何小庆嵌入式系统联谊会北京100191

本文介绍了RISC-V指令集的起源和发展历史;讨论了各种RISC-V CPU核、SoC设计平台和芯片产品的技术特点及选型要点;重点阐述了RISC-V给嵌入式系统带来的益处、RISC-V指令扩展的特点与安全应用,介绍了支持RISC-V开源和商业软件开发工具和... 详细信息

本文介绍了RISC-V指令集的起源和发展历史;讨论了各种RISC-V CPU核、SoC设计平台和芯片产品的技术特点及选型要点;重点阐述了RISC-V给嵌入式系统带来的益处、RISC-V指令扩展的特点与安全应用,介绍了支持RISC-V开源和商业软件开发工具和操作系统的现况;最后展望了RISC-V在教育和产业应用方面的发展趋势。

关键词： RISC-V 开源指令集 K210 SiFive 蜂鸟E200 FreeRTOS

How can we establish animal models of HIV-associated lymphoma?

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Animal Models and Experimental Medicine 2024年第4期7卷 484-496页

作者： Qing Xiao Liuyue Zhai Xiaomei Zhang Yi Liu Jun Li xiaoqing Xie Guofa Xu Sanxiu he Huihui Fu Yifeng Tang Fujie Zhang Yao Liu Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment Department of Hematology-OncologyChongqing University Cancer HospitalChongqingChina Beijing Ditan Hospital Capital Medical UniversityBeijingChina

Human immunodeficiency virus(HIV)infection is strongly associated with a height-ened incidence of *** mirror the natural course of human HIV infection,animal models have been *** models serve as valuable tools to inves-tigate disease pathobiology,assess antiretroviral and immunomodulatory drugs,ex-plore viral reservoirs,and develop eradication ***,there are currently no validated in vivo models of HIV-associated lymphoma(HAL),hampering progress in this crucial domain,and scant attention has been given to developing animal models dedicated to studying HAL,despite their pivotal role in advancing *** re-view provides a comprehensive overview of the existing animal models of HAL,which may enhance our understanding of the underlying pathogenesis and approaches for malignancies linked to HIV infection.

关键词： animal model HIV-associated lymphoma(HAL) human immunodeficiency virus(HIV) immunodeficient mice primate model

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3种物联网操作系统分析与比较

微纳电子与智能制造 2020年第1期2卷 65-72页

作者：何小庆北京麦克泰软件技术有限公司北京100191

阐述物联网操作系统的起源和发展历程,总结了物联网操作系统的5大技术特征。笔者对3种物联网操作系统Huawei LiteOS、Amazon FreeRTOS和RT-Thread进行实际使用和评测,并就功能指标进行比较。通过评测和比较得出,3种物联网操作系统具备... 详细信息

阐述物联网操作系统的起源和发展历程,总结了物联网操作系统的5大技术特征。笔者对3种物联网操作系统Huawei LiteOS、Amazon FreeRTOS和RT-Thread进行实际使用和评测,并就功能指标进行比较。通过评测和比较得出,3种物联网操作系统具备物联网系统开发所需要的基本功能,可以满足多数物联网边缘节点项目开发需求,相对Huawei LiteOS和RT-Thread,Amazon FreeRTOS无论在功能上、产品成熟度和支持硬件架构上都有相当的优势。最后展望了物联网操作系统在边缘计算和物联网安全方面的最新发展,并指出物联网操作系统的成长生态建设是关键因素。

关键词：物联网操作系统 IoT OS Amazon FreeRTOS 边缘计算物联网安全

Significantly enhanced ion-migration and sodium-storage capability derived by strongly coupled dual interfacial engineering in heterogeneous bimetallic sulfides with densified carbon matrix

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SusMat 2024年第3期4卷 175-191页

作者： Wenxi Zhao xiaoqing Ma Guangzhao Wang Linglin Tan Xinqin Wang Xun he Yan Wang Yongsong Luo Dongdong Zheng Shengjun Sun Qian Liu Luming Li Wei Chu Xuping Sun School of Electronic Information Engineering Yangtze Normal UniversityFulingChongqingChina Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of ChinaChengduSichuanChina School of Electronic Engineering Lanzhou City UniversityLanzhouGansuChina College of Chemistry Chemical Engineering and Materials ScienceShandong Normal UniversityJinanShandongChina Institute for Advanced Study Chengdu UniversityChengduSichuanChina

The development of highly efficient sodium-ion batteries depends critically on the successful exploitation of advanced anode hosts that is capable of overcoming sluggish reaction kinetics while also withstanding severe structural deformation triggered by the large radius of Na^(+)-***,a hierarchically hybrid material with hetero-Co_(3)S_(4)/NiS hollow nanosphere packaged into a densified N-doped carbonmatrix(Co_(3)S_(4)/NiS@N-C)was designed and fabricated utilizing CoNi-glycerate as the self-sacrifice template,making the utmost of the synergistic effect of hetero-Co_(3)S_(4)/NiS with strong electric field and rich reaction active-sites together with the densified outer-carbon scaffolds with remarkable electronic conductivity and robust mechanical *** anticipated,as-fabricated Co_(3)S_(4)/NiS@N-C anode affords remarkable specific capacity,prolonged cycle lifespan up to 2400 cycles with an only 0.05%fading each cycle at 20.0 A g^(−1),and excellent rate feature(354.9 mAh g^(−1)at 30.0 A g^(−1)),one of the best performances for most existing Co_(3)S_(4)/NiS-based *** situ structural characterizations in tandem with theoretical analysis demonstrate the reversible insertion-conversion mechanism of initially proceeding with Na^(+)de-/intercalation and superior heterogeneous interfacial reaction behavior with strong Na^(+)-adsorption ***,sodium-ion full cell and hybrid capacitor based on Co_(3)S_(4)/NiS@N-C anode exhibit impressive electrochemical characteristics on cycling performance and rate capability,showcasing its outstanding feasibility toward practical use.

关键词： anode materials bimetallic metal sulfides heterogeneous interface outer-carbon skeleton sodium ion battery

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高职院校数字化工业中心系统设计

高等工程教育研究 2008年第4期56卷 131-134页

作者：柯和平何晓青深圳职业技术学院电教信息中心

实践教学是高职教育的基本特征,工业训练中心是高职院校实践教学的主要场所。但由于办学规模的不断扩大和经费的不足,工业训练中心不能很好地满足教学实践的需求。数字化工业中心则基于网络信息技术,搭建网上实训实验平台,部署实践教学... 详细信息

实践教学是高职教育的基本特征,工业训练中心是高职院校实践教学的主要场所。但由于办学规模的不断扩大和经费的不足,工业训练中心不能很好地满足教学实践的需求。数字化工业中心则基于网络信息技术,搭建网上实训实验平台,部署实践教学内容资源,充分利用网络交互功能,进行实践教学应用。特别是虚拟实验功能,一方面可有效缓解实践教学资源不足的矛盾,另一方面可推进实践教学改革,提升教学质量,还有助于学生进行各类职业资格技能认证的培训与考核。

关键词：数字化工业中心面向对象实训实验平台技能认证平台