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Facile Fabrication of Silk Fibroin/Konjac Glucomannan Composite Membranes 丝素/魔芋葡甘聚糖复合膜的简易制备
IF 0.7 4区 工程技术
AATCC Journal of Research Pub Date : 2021-12-01 DOI: 10.14504/ajr.8.S2.5
Zhanao Hu, W. Akram, Shixian Chen, Shuqin Yan, Qiang Zhang
{"title":"Facile Fabrication of Silk Fibroin/Konjac Glucomannan Composite Membranes","authors":"Zhanao Hu, W. Akram, Shixian Chen, Shuqin Yan, Qiang Zhang","doi":"10.14504/ajr.8.S2.5","DOIUrl":"https://doi.org/10.14504/ajr.8.S2.5","url":null,"abstract":"Silk fibroin (SF)-based biocomposites have attracted considerable attention for several decades, due to excellent biocompatibility and mechanical toughness. However, insufficient hydrophilicity and mechanical brittleness limit its practical application, especially in tissue engineering. In this study, by blending konjac glucomannan (KGM) with SF, along with the water-insoluble treatment of ethanol and ammonia, SF/KGM composite membranes were generated with good flexibility and water adsorption capacity. Scanning electron microscopy (SEM) showed that KGM/SF membrane surfaces were uniform and dense. Fourier transform infrared spectroscopy (FTIR) showed that the silk II structure was dominant. Contact angle and mechanical testing showed that the use of KGM with SF in membranes helped to form more flexible and hydrophilic membranes for potential use in biomaterials and devices.","PeriodicalId":6955,"journal":{"name":"AATCC Journal of Research","volume":"8 1","pages":"23 - 27"},"PeriodicalIF":0.7,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46472561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of Compression Socks on Muscle Recovery after Induced Fatigue 压缩袜对疲劳后肌肉恢复的影响
IF 0.7 4区 工程技术
AATCC Journal of Research Pub Date : 2021-12-01 DOI: 10.14504/ajr.8.S2.14
Yunping Shen, Jianmei Sui, Hong Xie
{"title":"Effects of Compression Socks on Muscle Recovery after Induced Fatigue","authors":"Yunping Shen, Jianmei Sui, Hong Xie","doi":"10.14504/ajr.8.S2.14","DOIUrl":"https://doi.org/10.14504/ajr.8.S2.14","url":null,"abstract":"The purpose of this study was to determine the influence of the compression on muscle recovery after sports. Four kinds of gradient pressure socks were randomly ordered into 24 groups. Each subject needed to complete six experiments of all. The experiment was divided into two parts including a fatigue induced experiment and an intermittent fatigue induced experiment. The vertical jump height, blood oxygen saturation, local hemoglobin, blood flow, and Visual Analogue Score (VAS) were tested in each experiment. It was found that high pressure level has a significant effect on the vertical height after intermittent induced fatigue; however, the analysis showed no difference among sock pressure levels on blood oxygen saturation, local hemoglobin, blood flow, or VAS subjective feeling evaluation. The effect of compression socks was better than that of non-pressure socks. If the exercise intensity is strong, high-pressure socks can make contributions on recovery. If the exercise intensity is low, low-pressure socks contribute to greater comfort. This study concluded that different exercise intensities required different sock pressures to promote the muscle recovery after sports.","PeriodicalId":6955,"journal":{"name":"AATCC Journal of Research","volume":"8 1","pages":"68 - 71"},"PeriodicalIF":0.7,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48464725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Predicting the Mechanical Strength of Fire Protective Fabrics after Thermal Aging using Machine Learning 用机器学习预测防火织物热老化后的力学强度
IF 0.7 4区 工程技术
AATCC Journal of Research Pub Date : 2021-12-01 DOI: 10.14504/ajr.8.S2.9
Xiaohan Liu, Miao Tian, Yun Su, Yunyi Wang, Jun Li
{"title":"Predicting the Mechanical Strength of Fire Protective Fabrics after Thermal Aging using Machine Learning","authors":"Xiaohan Liu, Miao Tian, Yun Su, Yunyi Wang, Jun Li","doi":"10.14504/ajr.8.S2.9","DOIUrl":"https://doi.org/10.14504/ajr.8.S2.9","url":null,"abstract":"Thermal aging leads to a reduction in the tensile strength of fire protective fabrics, which increases the skin burn risks of the wearer. Standardized test methods are generally destructive. In this study, machine learning was applied to predict the tensile strength after heat exposure. Training data was obtained from published articles, and seven features that affect the tensile strength of the fabric were determined. The results indicated that the average R2 and RMSE of machine learning models was 0.83 and 135.40, respectively, which was better than the traditional statistical model (R2 = 0.45, RMSE = 238.41). Among all the models, GBR produced the best prediction result (R2 = 0.95, RMSE = 77.42). Five features (fiber, weight, testing direction, exposure time, and heat flux density) were sufficient to achieve a better prediction.","PeriodicalId":6955,"journal":{"name":"AATCC Journal of Research","volume":"8 1","pages":"46 - 50"},"PeriodicalIF":0.7,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47538006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Clothing Pressure on Exercise Fatigue Based on EEG 基于脑电图的服装压力对运动性疲劳的影响
IF 0.7 4区 工程技术
AATCC Journal of Research Pub Date : 2021-12-01 DOI: 10.14504/ajr.8.S2.8
Jiacheng Wang, Yanmei Li
{"title":"Effect of Clothing Pressure on Exercise Fatigue Based on EEG","authors":"Jiacheng Wang, Yanmei Li","doi":"10.14504/ajr.8.S2.8","DOIUrl":"https://doi.org/10.14504/ajr.8.S2.8","url":null,"abstract":"To optimize the use of compression clothing to alleviate sports fatigue, this review discusses the current research status on clothing pressure and fatigue relief, and the principle of clothing pressure to relieve fatigue. In addition, research developments on the application of electroencephalography (EEG) in clothing pressure and sports fatigue are discussed and the relationship between the clothing pressure, EEG, and sports fatigue is analyzed. The mechanism of sports fatigue can be understood more comprehensively via EEG. Building a garment pressure evaluation system provides avenues for the research and development of apparel to relieve fatigue.","PeriodicalId":6955,"journal":{"name":"AATCC Journal of Research","volume":"8 1","pages":"40 - 45"},"PeriodicalIF":0.7,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48475906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fiber Identification in Cross Section of Blended Yarn on Back Propagation Neural Network 基于反向传播神经网络的混纺纱截面纤维识别
IF 0.7 4区 工程技术
AATCC Journal of Research Pub Date : 2021-12-01 DOI: 10.14504/ajr.8.s2.19
Zhang Rui, Na Ding, Xinfeng Lu, Yingqi Xu, Bin-jie Xin
{"title":"Fiber Identification in Cross Section of Blended Yarn on Back Propagation Neural Network","authors":"Zhang Rui, Na Ding, Xinfeng Lu, Yingqi Xu, Bin-jie Xin","doi":"10.14504/ajr.8.s2.19","DOIUrl":"https://doi.org/10.14504/ajr.8.s2.19","url":null,"abstract":"An intelligent recognition algorithm was developed to identify fibers in the cross sections of blended yarn containing meta-aramid 1313 (Nomex), poly(phenylene-1,3,4-oxadiazole) (POD), flame resistant viscose, and flame-resistant vinylon. The yarn cross section image was obtained at x400 magnification. Drawing software was used to manually isolate single fiber images for training the back propagation (BP) neural network model in Matlab language image processing software. The GrabCut algorithm was used to de-noise the image and separate the target from the background. Finally, single fiber images and fiber distributions were obtained through the program. The result showed that the BP neural network model with the GrabCut algorithm can identify fiber type in a complex background more easily and more accurately than traditional algorithms.","PeriodicalId":6955,"journal":{"name":"AATCC Journal of Research","volume":"8 1","pages":"95 - 99"},"PeriodicalIF":0.7,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46900484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Extraction of Tea Natural Dye and its Dyeing Properties on Cotton Fabrics 茶天然染料的提取及其在棉织物上的染色性能
IF 0.7 4区 工程技术
AATCC Journal of Research Pub Date : 2021-12-01 DOI: 10.14504/ajr.8.s2.17
Yunguo Zhao, Jie Liu
{"title":"Extraction of Tea Natural Dye and its Dyeing Properties on Cotton Fabrics","authors":"Yunguo Zhao, Jie Liu","doi":"10.14504/ajr.8.s2.17","DOIUrl":"https://doi.org/10.14504/ajr.8.s2.17","url":null,"abstract":"Natural dyestuffs are evaluated as green sources to color the fabric in the textile industry. In this study, tea natural dye extracted from Longjing tea was applied to dye cotton fabrics by different dyeing processes. The extraction process was investigated thoroughly according to orthogonal experiments to obtain the optimum results. The acid-base stability, storage stability, heat-resistance, and other properties of Longjing tea natural dye were studied. The rubbing fastness, washing fastness and color difference of natural tea dyed cotton fabrics using different dyeing processes were measured. It has been proved that pre-mordant dyeing process and reactive dyeing process are more suitable for Longjing tea natural dye. The rubbing fastness and washing fastness of the dyed cotton fabrics are both very good, fully meeting the dressing requirements.","PeriodicalId":6955,"journal":{"name":"AATCC Journal of Research","volume":"8 1","pages":"86 - 90"},"PeriodicalIF":0.7,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43226626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation of Natural Silk Nanofiber/Graphene Conductive Film 天然丝纳米纤维/石墨烯导电膜的制备
IF 0.7 4区 工程技术
AATCC Journal of Research Pub Date : 2021-12-01 DOI: 10.14504/ajr.8.s2.11
Ao Huang, Shuqin Yan, Hongdou Fan, Zhanao Hu, Qiang Zhang
{"title":"Preparation of Natural Silk Nanofiber/Graphene Conductive Film","authors":"Ao Huang, Shuqin Yan, Hongdou Fan, Zhanao Hu, Qiang Zhang","doi":"10.14504/ajr.8.s2.11","DOIUrl":"https://doi.org/10.14504/ajr.8.s2.11","url":null,"abstract":"The use of natural silk nanofibers (SNFs) in flexible materials has been widely studied in recent years. However, the reported preparation methods are not suitable for commercial consideration. We report a method for rapid preparation of silk nanofibers in water. Silk nanofibers were mixed with graphene to prepare composite conductive silk films (CSF) with good flexibility and conductivity. Micro-morphology shows that graphene is embedded and modified between silk nanofibers to form a stable structure. Infrared analysis showed that graphene compounds do not alter silk formation, especially in the stable silk structure. Resistance tests show that the process is most effective when the ratio of SNFs to graphene is 1:3. This study offers a new approach to fabricating bioelectric devices.","PeriodicalId":6955,"journal":{"name":"AATCC Journal of Research","volume":"8 1","pages":"55 - 58"},"PeriodicalIF":0.7,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46477120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Antibacterial Property of Cotton Fabric Dyed with Vaccinium bracteatum Thunb. Leaves 苞片酸铵染色棉织物的抗菌性能。叶子
IF 0.7 4区 工程技术
AATCC Journal of Research Pub Date : 2021-12-01 DOI: 10.14504/ajr.8.S2.6
Guangguo Tian, Rongrong Cui, Xiaowei Hu, Yan Feng
{"title":"Antibacterial Property of Cotton Fabric Dyed with Vaccinium bracteatum Thunb. Leaves","authors":"Guangguo Tian, Rongrong Cui, Xiaowei Hu, Yan Feng","doi":"10.14504/ajr.8.S2.6","DOIUrl":"https://doi.org/10.14504/ajr.8.S2.6","url":null,"abstract":"Vaccinium bracteatum Thumb. leaves have a variety of nutritional values and physiological functions, and are rich in useful resources. In this study, these leaves were used as a raw material to make vegetable dyes. Cotton fabric was then dyed with them by the direct staining method. Good dyeing effects and antibacterial properties of the resulting fabrics could be obtained using an optimized dyeing process. The antibacterial properties of the fabric were directly proportional to the dye uptake (K/S value) of the fabric. To improve dyeing, mordant and chitosan were used separately to pretreat the cotton fabrics. The K/S value and antibacterial properties of the pretreated dyed cotton fabrics were improved after pretreatment.","PeriodicalId":6955,"journal":{"name":"AATCC Journal of Research","volume":"2017 8","pages":"28 - 33"},"PeriodicalIF":0.7,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41262824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation and Application of Ag-In/ZnO Nanorods 银银/氧化锌纳米棒的制备与应用
IF 0.7 4区 工程技术
AATCC Journal of Research Pub Date : 2021-12-01 DOI: 10.14504/ajr.8.S2.7
M. Xie, Liming Wang, Lihui Xu, Yong Shen
{"title":"Preparation and Application of Ag-In/ZnO Nanorods","authors":"M. Xie, Liming Wang, Lihui Xu, Yong Shen","doi":"10.14504/ajr.8.S2.7","DOIUrl":"https://doi.org/10.14504/ajr.8.S2.7","url":null,"abstract":"In this paper, one-dimensional rod-shaped nano zinc oxide (ZnO) and Ag-In co-doped ZnO complexes with different doping ratios were prepared by hydrothermal method with C6H12N4, Zn(NO3)2·6(H2O), AgNO3, and In(NO3)3 as raw materials. The samples were characterized by X-ray diffractometry (XRD), scanning electron microscopy (SEM), and ultraviolet protection factor (UPF). The results showed that the degradation rate of methylene blue (MB) in aqueous solution reached 90.17% after being dispersed with 10%Ag-4%In/ZnO and exposed to ultraviolet light for 120 min., furthermore, MB was almost completely degraded after 180 min. of UV irradiation, thus the ZnO sample was provided with splendid photocatalysis activity. After 10% Ag-4%In/ZnO processing on modified polyester fabric, UPF of the treated Dacron was 50+ in accordance with the standard GB/T18830-2009 and considered to possess excellent UV resistance.","PeriodicalId":6955,"journal":{"name":"AATCC Journal of Research","volume":"8 1","pages":"34 - 39"},"PeriodicalIF":0.7,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49170595","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In Vitro Degradation of Silk Fibroin/Hyaluronic Acid Composite Hydrogels 丝素/透明质酸复合水凝胶的体外降解
IF 0.7 4区 工程技术
AATCC Journal of Research Pub Date : 2021-12-01 DOI: 10.14504/ajr.8.S2.10
Shixian Chen, Wen-Ke Yang, Shuqin Yan, G. Han, Qiang Zhang
{"title":"In Vitro Degradation of Silk Fibroin/Hyaluronic Acid Composite Hydrogels","authors":"Shixian Chen, Wen-Ke Yang, Shuqin Yan, G. Han, Qiang Zhang","doi":"10.14504/ajr.8.S2.10","DOIUrl":"https://doi.org/10.14504/ajr.8.S2.10","url":null,"abstract":"Protein-polysaccharide scaffolds are usually used in tissue engineering; however, matching regeneration rate with healing modes is a challenge because of unpredictable scaffold degradation profiles. We investigated the effect of the blend ratio on degradation behavior of silk fibroin (SF)/hyaluronic acid (HA) hydrogels by varying weight ratios. The hydrogels were incubated in 1 U/mL collagenase IA at 37 °C to create an in vitro model of proteolytic degradation. Samples were harvested at designated time points up to 21 days and scanning electron microscopy (SEM), digital photos, and mass loss were investigated. Control samples were incubated in phosphate-buffered saline. The results showed regular and controllable degradability. The higher the HA content, the stronger the degradability of the hydrogel. When the HA content increased from 20% to 40%, the mass loss of the hydrogel increased from 22% to 35% after 21 days of degradation.","PeriodicalId":6955,"journal":{"name":"AATCC Journal of Research","volume":"8 1","pages":"51 - 54"},"PeriodicalIF":0.7,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45488248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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