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浅析元宇宙时代下数字服装对现代创意设计的推动

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染整技术 2024年第1期46卷 108-110页

作者：赵培生陈梦祎上海理工大学上海200093

随着数字技术的发展,网络社交媒体中的游戏动画、虚拟角色、虚拟服饰等也开始受到关注。过去,服装设计的主要关注点在于功能性,满足人们的基本需求。然而,如今服装设计的发展趋势已经逐渐转向个性化和创意性,数字服装在元宇宙时代更是... 详细信息

随着数字技术的发展,网络社交媒体中的游戏动画、虚拟角色、虚拟服饰等也开始受到关注。过去,服装设计的主要关注点在于功能性,满足人们的基本需求。然而,如今服装设计的发展趋势已经逐渐转向个性化和创意性,数字服装在元宇宙时代更是大放异彩,为时尚界注入了新的活力。在这个背景下,数字服装设计师们纷纷把人们对服装的幻想通过虚拟现实技术呈现出来,让越来越多的创意得以淋漓尽致地表达。

关键词：数字服装元宇宙创意设计

一流食品人才多维度融合培养体系的构建与实施——以成都大学食品科学与工程专业为例

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食品工业科技 2024年第3期45卷 346-353页

作者：文永平王新惠胡晓红刘达玉徐漪沙郝理陈卫军陈梦伊成都大学食品与生物工程学院四川成都610106

近年来,我国食品产业发展迅速加快,对食品人才的质量提出了更高的需求。本文立足于习近平新时代中国特色社会主义思想,论述了一流食品人才多维度融合培养体系构建的必要性;指出高校是人才培育的主载体,从德育与智育融合、学科与专业融... 详细信息

近年来,我国食品产业发展迅速加快,对食品人才的质量提出了更高的需求。本文立足于习近平新时代中国特色社会主义思想,论述了一流食品人才多维度融合培养体系构建的必要性;指出高校是人才培育的主载体,从德育与智育融合、学科与专业融合、科研与教学融合,探索“德育与智育、学科与专业、产业与专业”等多维度融合育人体系的构建方法和途径。通过党建引领课程思政,协同培育立德树人;学科专业齐头发展,教学科研共助学生培养;优化课程资源配置,助力学生多元发展,回答“培养什么人?”、“如何培养人?”,以期为食品产业的发展提供强有力的人才资源支撑。

关键词：食品人才多维度融合培养体系产业发展

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电感耦合等离子体原子发射光谱法测定铜铬合金中镧

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冶金分析 2024年第8期44卷 86-90页

作者：唐丽尖杨红艳陈梦祎解紫嫣陕西斯瑞铜合金创新中心有限公司陕西西安710000

铜铬合金中加入镧元素可提高各项性能、降低偏析,但过量加入镧也会影响材料质量。实验采用分步加入盐酸和硝酸溶解样品,选择镧的分析谱线为La 408.672 nm,使用电感耦合等离子体原子发射光谱法(ICP-AES)测定铜铬合金中镧。镧在质量浓度为... 详细信息

铜铬合金中加入镧元素可提高各项性能、降低偏析,但过量加入镧也会影响材料质量。实验采用分步加入盐酸和硝酸溶解样品,选择镧的分析谱线为La 408.672 nm,使用电感耦合等离子体原子发射光谱法(ICP-AES)测定铜铬合金中镧。镧在质量浓度为0.050~2.00μg/mL范围内与发射强度呈较好的线性关系,线性相关系数为0.999 97;方法的检出限为0.000 27%。考察了基体效应和共存元素的干扰,结果表明,铜铬合金中铜基体和其他元素对镧的测定无显著影响。采用实验方法测定铜铬合金样品中镧,结果的相对标准偏差(RSD,n=11)为1.5%~2.0%;加标回收率为96%~104%。

关键词：铜铬合金稀土元素镧电感耦合等离子体原子发射光谱法(ICP-AES)

Radiation synthesis and characterization of 3-（trimethoxysilyl） propyl methacrylate silanized silica-graft-vinyl imidazole for Hg（Ⅱ） adsorption

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Nuclear Science and Techniques 2013年第B12期24卷 43-47页

作者： SUN Jian chen Zhimin GE mengyi XU Ling Beijing Key Laboratory for Solid Waste Utilization and Management Department of Energy and Resources Engineering College of Engineering Peking University Beijing 100871 China

Silica-based adsorbent was prepared by radiation induced grafting of vinyl imidazole (VIM) onto the silanized silica, which was silanized by 3-(trimethoxysilyl) propyl methacrylate. The effects of monomer composition and absorbed dose on the grafting yield were investigated to optimize the reaction conditions. The results showed that a VIM concentration of 2.5 mol·dm-3 and an absorbed dose of 50 kGy were the optimal reaction conditions. FT IR and XPS spectra manifested that VIM was successfully grafted onto the silica surface. The SS-g-VIM adsorbent had excellent selectivity for Hg(II) adsorption in mixture divalent cationic metal solution and a maximum adsorption capacity of ca. 78 mg/g to Hg(II) at pH 5. The adsorption isotherm was investigated and the adsorption of Hg(II) fitted well with Langmuir mode. These results suggested that SS-g-VIM adsorbent has potential application for the removal of Hg(II) from wastewater. © 2013, Science Press. All rights reserved.

关键词：甲基丙烯酸酯二氧化硅三甲氧基吸附剂接枝率硅烷化乙烯基除汞

Theoretical Study on the Structures,Spectral Properties,and Drugability of Xenicane-type Diterpenoids from Dictyota dichotoma

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Chemical Research in Chinese Universities 2022年第2期38卷 622-631页

作者： HUANG Luoyi SUN Xiang chen mengyi YAN Pengcheng WANG Chaojie School of Pharmaceutical Sciences Wenzhou Medical UniversityWenzhou 325035P.R.China Department of Pharmacy The First Affiliated Hospital of Wenzhou Medical UniversityWenzhou 325000P.R.China

There are few reports on the relationship between the biological activity and structure of secondary metabolites from Dictyota dichotoma. In this work, the geometric and electronic structures, infrared spectra, ultraviolet spectra, 13C and 1H NMR spectra of 16 xenicane-type diterpenoids extracted from Dictyota dichotoma were studied by the density functional theory ωB97XD/6-311+G(2d,p) method. The analysis of the reactivity indices was carried out via the conceptual density functional theory. Furthermore, a pharmacodynamic evaluation was performed using ADME/Tox. The geometric structure analysis found that all 16 diterpenoids had the same unsaturated, branched chains and could be divided into two categories according to the ring size, including nine-membered and eight-membered rings. A hydroxyl group on the lactone ring reduced the stability of the compound. In contrast, a hydroxyl group on the parent ring had little effect on the compound's stability. The electrostatic potential results preliminarily predicted active sites for nucleophilic/electrophilic reactions. The fitting results of infrared and nuclear magnetic resonance(NMR) data showed that the theoretical values obtained by this method were consistent with the experimental values. The UV-visible absorption spectra showed that the solvent effects caused different redshifts of the absorption peaks. The absorption strength was enhanced. The sixteen diterpenoids displayed a strong absorption peak in the range of 180―200 nm, but the compound containing a carbonyl group presents a weaker absorption peak in the field of 200―240 nm. Compounds 9―11, 14, and 15 have better stability and reactivity with lower chemical potentials and higher electronegativity, electrophilic index, and hardness values. The local reactivity descriptors further identified nucleophilic/electrophilic reaction sites for the sixteen compounds. Finally, the pharmacodynamic evaluation results predicted that compounds 2, 4, 8, 11, and 14―16 have

关键词： Dictyota dichotoma Diterpenoid Conceptual density functional theory

不同光质对彩叶芋再生植株生长和色素积累的影响

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广东农业科学 2024年第7期51卷 118-128页

作者：陈梦仪谢江江黄海英陈双艳赵锐官锦燕张逸飞广东省科学院南繁种业研究所广东广州510316 广东省科学院南繁种业研究所湛江研究中心广东湛江524300 广东省科学院湛江研究院广东湛江524000

【目的】彩叶芋是一种天南星科观叶植物,其叶片色彩丰富、斑纹多样,被广泛用于室内外观赏,具有较好的经济价值。彩叶芋常在无补光措施的大棚中栽培,其成苗质量和效率受限于天气情况,难以保障商品苗的生产效率和标准化。光照是彩叶芋生... 详细信息

【目的】彩叶芋是一种天南星科观叶植物,其叶片色彩丰富、斑纹多样,被广泛用于室内外观赏,具有较好的经济价值。彩叶芋常在无补光措施的大棚中栽培,其成苗质量和效率受限于天气情况,难以保障商品苗的生产效率和标准化。光照是彩叶芋生长和色素积累的重要因子,该研究旨在探索适合彩叶芋组培苗的光质类型,为提高彩叶芋生产效率和商品苗质量提供理论参考。【方法】以白色荧光灯为对照,采用LED白光、LED红光、LED蓝光、LED红蓝白1︰1︰1、LED红蓝绿1︰1︰1、LED红蓝白绿1︰1︰1︰1等7种不同光质类型处理彩叶芋组培再生植株,测定不同光质处理后彩叶芋的叶片大小、叶片厚度、株高、根数及色素含量等相关生长指标,评价筛选能够提高彩叶芋商品苗质量的有效光质。【结果】与荧光灯相比,LED红光处理不利于彩叶芋叶片数量、叶柄粗的增加,分别为5.3片和3.42 mm;不利于总叶绿素含量和叶面相对花青素含量积累,分别为2.0 mg/g和1.0 U/g;不利于PSⅡ最大光化学效率Fv/Fm和实际光量子产量Y(Ⅱ),仅为0.64和0.60。LED蓝光处理有利于彩叶芋植株增高、叶柄粗及叶柄相对花青素含量的积累,分别为21 cm、4.6 mm和6.1 U/g,但不利于彩叶芋根系数量的增加。对组合光而言,LED红蓝白绿1︰1︰1︰1处理有利于彩叶芋叶面积的增加、为98.8 cm^(2),该处理下彩叶芋叶面相对花青素含量最高、达到8.23 U/g。LED红蓝绿1︰1︰1处理不利于彩叶芋株高、叶柄粗及叶片厚度的增加,分别为10.6 cm、3.9 mm及0.70 mm。LED红蓝白1︰1︰1、LED红蓝绿1︰1︰1及LED红蓝白绿1︰1︰1︰1处理彩叶芋叶柄的相对花青素含量均显著低于白色荧光灯处理。【结论】不同光质影响彩叶芋再生植株的生长和色素含量的积累,LED蓝光处理在提高彩叶芋株高、叶柄粗及相对花青素含量方面效果最好,LED红蓝白绿1︰1︰1︰1在提高彩叶芋叶面积和叶面相对花青素含量方面效果最好,生产中结合实际情况选择合适的光质配比能有效提高彩叶芋商品苗标准化生产效率。

关键词：观赏植物光质彩叶芋再生植株形态建成花青素

Automatic analytical approach for the determination of 12 illicit drugs and nicotine metabolites in wastewater using on-line SPE-UHPLC-MS/MS

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Journal of Pharmaceutical Analysis 2021年第6期11卷 739-745页

作者： Jingyuan Wang Likai Qia chenzhi Hou Tingting Zhang mengyi chen Haitao Meng Mengxiang Su Hui Xu Zhendong Hua Youmei Wang Bin Di Department of Pharmacy China Pharmaceutical UniversityNanjing210009China China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control Nanjing210009China Key Laboratory of Drug Monitoring and Control The Ministry of Public Security of the People's Republic of ChinaBeijing100741China Analytical Applications Center Analytical Instruments DivisionShimadzu(China)Co.Ltd.Nanjing BranchBeijing100741China Drug Control Information and Technology Center The Ministry of Public Security of the People's Republic of ChinaNanjing210000China

In this study,we developed a novel on-line solid phase extraction(SPE)-ultra-high-performance liquid chromatography tandem mass spectrometry(UHPLC-MS/MS)-based analytical method for simultaneously quantifying 12 illicit drugs and metabolites(methamphetamine,amphetamine,morphine,codeine,6-monoacetylmorphine,benzoylecgonine,3,4-methylenedioxymethamphetamine,3,4-methylenedioxyamphetamine,cocaine,ketamine,norketamine,and methcathinone)and cotinine(COT)in wastewater *** analysis was performed by loading 2 m L of the sample onto an Oasis hydrophilic-lipophilic balance cartridge and using a cleanup step(5%methanol)to eliminate interference with a total run time of 13 *** isotope-labeled internal standard method was used to quantify the target substances and correct for unavoidable losses and matrix effects during the on-line SPE *** analytical characteristics used for method validation were sensitivity,linearity,precision,repeatability,recovery,and matrix *** limit of detection(LOD)and limit of quantification(LOQ)of each target were set at 0.20 ng/L and 0.50 ng/L,*** linearity was between 0.5 ng/L and250 ng/L,except for that of *** intra-and inter-day precisions were<10.45%and 25.64%,respectively,and the relative recovery ranged from 83.74%to 162.26%.The method was used to analyze various wastewater samples from 33 cities in China,and the results were compared with the experimental results of identical samples analyzed using off-line *** difference rate was between 19.91%and-20.44%,and the error range could be considered *** findings showed that on-line SPE is a suitable alternative to off-line SPE for the analysis of illicit drugs in samples.

关键词： Illicit drugs and metabolites Wastewater analysis On-line solid phase extraction Ultra-high-performance liquid chromatography Mass spectrometry

Multichannel microneedle dry electrode patches for minimally invasive transdermal recording of electrophysiological signals

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Microsystems & Nanoengineering 2024年第3期10卷 119-136页

作者： Zhengjie Liu Xingyuan Xu Shuang Huang Xinshuo Huang Zhibo Liu Chuanjie Yao mengyi He Jiayi chen Hui-jiuan chen Jing Liu Xi Xie State Key Laboratory of Optoelectronic Materials and Technologies School of Electronics and Information TechnologyGuangdong Province Key Laboratory of Display Material and TechnologySun Yat-Sen UniversityGuangzhouChina School of Biomedical Engineering Sun Yat-Sen UniversityGuangzhouChina The First Affiliated Hospital of Sun Yat-Sen University GuangzhouChina

The collection of multiple-channel electrophysiological signals enables a comprehensive understanding of the spatial distribution and temporal features of electrophysiological *** approach can help to distinguish the traits and patterns of different ailments to enhance diagnostic *** array electrodes,which can penetrate skin without pain,can lessen the impedance between the electrodes and skin;however,current microneedle methods are limited to single channels and cannot achieve multichannel collection in small ***,a multichannel(32 channels)microneedle dry electrode patch device was developed via a dimensionality reduction fabrication and integration approach and supported by a self-developed circuit system to record weak electrophysiological signals,including electroencephalography(EEG),electrocardiogram(ECG),and electromyography(EMG)*** microneedles reduced the electrode–skin contact impedance by penetrating the nonconducting stratum corneum in a painless *** multichannel microneedle array(MMA)enabled painless transdermal recording of multichannel electrophysiological signals from the subcutaneous space,with high temporal and spatial resolution,reaching the level of a single microneedle in terms of signal *** MMA demonstrated the detection of the spatial distribution of ECG,EMG and EEG signals in live rabbit models,and the microneedle electrode(MNE)achieved better signal quality in the transcutaneous detection of EEG signals than did the conventional flat dry electrode *** work offers a promising opportunity to develop advanced tools for neural interface technology and electrophysiological recording.

关键词： needle rabbit electrode

Transferrin receptor-targeted immunostimulant for photodynamic immunotherapy against metastatic tumors through b-catenin/CREB interruption

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Acta Pharmaceutica Sinica B 2024年第9期14卷 4118-4133页

作者： mengyi Yan Xiayun chen Xiaotong Li Qianqian Liu Baixue Yu Yi Cen Wei Zhang Yibin Liu Xinxuan Li Ying chen Tao Wang Shiying Li The Fifth Affiliated Hospital Guangdong Provincial Key Laboratory of Molecular Target&Clinical Pharmacologythe NMPA and State Key Laboratory of Respiratory Diseasethe School of Pharmaceutical SciencesGuangzhou Medical UniversityGuangzhou 511436China Department of Anesthesiology the Second Clinical School of Guangzhou Medical UniversityGuangzhou 511436China State Key Laboratory of Respiratory Diseases Guangdong Key Laboratory of Vascular DiseasesGuangzhou Institute of Respiratory Healththe first Affiliated HospitalGuangzhou Medical UniversityGuangzhou 510120China Department of Pulmonary and Critical Care Medicine Zhujiang HospitalSouthern Medical UniversityGuangzhou 510280China

The immunosuppressive phenotype of tumor cells extensively attenuates the immune activation effects of traditional *** this work,a transferrin receptor(TfR)targeted immunostimulant(PTI)is fabricated for photodynamic immunotherapy against metastatic tumors by interrupting b-catenin signal *** synthesize PTI,the photosensitizer conjugated TfR targeting peptide moiety(Palmitic-K(PpIX)-HAIYPRH)is unitized to encapsulate the transcription interrupter of *** the one hand,the recognition of PTI and TfR can promote drug delivery into tumor cells to destruct primary tumors through photodynamic therapy and initiate an immunogenic cell death with the release of tumorassociated *** the other hand,PTI will interrupt the binding between b-catenin andcAMP response element-binding protein(CREB),regulating the gene transcription to downregulate programmed death ligand 1(PD-L1)while upregulating CeC motif chemokine ligand 4(CCL4).Furthermore,the elevated CCL4 can recruit the dendritic cells to present tumor-specific antigens and promote T cells activation and infiltration,and the downregulated PD-L1 can avoid the immune evasion of tumor cells and activate systemic anti-tumor immunity to eradicate lung *** work may inspire the development of antibody antibody-free strategy to activate systemic immune response in consideration of immunosuppressive conditions.

关键词： Transferrin receptor b-Catenin signal pathway Tumor targeting Photodynamic therapy Immunotherapy Immunogenic cell death Programmed death ligand 1