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Endogenous electric field (EEF) is weakened in wounds due to electrolyte loss, hindering wound repair. Reshaping and repairing EEF play important roles in accelerating wound healing. The design of antibacterial dressings coupled with an EEF recovery ability to promote wound healing is urgent and significant. Herein, a self‐powered wearable thermoelectric dressing with antibacterial, antioxidant, and EEF reshaping activities for methicillin‐resistant Staphylococcus aureus‐infected wound therapy is fabricated. The dressing is based on a wearable thermoelectric device constructed of a polyanionic thermoelectric hydrogel loaded with tannic acid (TA). By taking advantage of the natural temperature difference between infected wounds and the external environment, the dressing is activated to convert thermal energy into electricity, producing a continuous and compensating electric field to reshape damaged EEF and stimulate tissue regeneration. Combined with the antibacterial and antioxidant properties of the TA released from the thermoelectric hydrogel, the self‐powered dressing can accelerate wound healing in vivo by topical targeted sterilization, reducing inflammation and reshaping the EEF of the wounds. Thus, this dressing provides a promising and facile self‐powered therapeutic strategy without the need for external stimuli to treat infected wounds. [ABSTRACT FROM AUTHOR]

This study aimed to determine the level of acceptability of the developed learning modules in Introduction to Dressmaking and Sewing Machine Operations at Rizal Technological University during the school year 2023-2024. The researcher used the descriptive type of research with diagnostic test as the tool used in the identification of the least mastered topics in Introduction to Dressmaking and Sewing Machine Operations and a survey questionnaire as the main data gathering instrument. The questionnaire focused on the level of acceptability of the developed learning modules in Introduction to Dressmaking and Sewing Machine Operations in terms of objectives, content, visual design, and assessment. The least mastered topics that were used as basis for the development of the learning modules in Introduction to Dressmaking and Sewing Machine Operations was identified based on the results of the diagnostic test conducted by the researcher to the second year GFD Students of Rizal Technological University. The instructor and student respondents evaluated the developed learning modules in Introduction to Dressmaking and Sewing Machine Operations as to objectives, content, visual design, and assessment with grand weighted mean rating of 3.61, verbally interpreted as Very High Level (VHL) leading to no significant difference between the assessment of the two groups of respondents on the developed learning modules. The comments and suggestions offered by the respondents were for the improvement of the product. [ABSTRACT FROM AUTHOR]

Materials engineering has become an important tool in the field of hydrogel dressings used to treat difficult-to-heal wounds. Hydrogels filled with bioactive substances used as a targeted healing system are worthy of attention. Vitamin C has healing and supporting effects in the treatment of many skin problems. The aim of the research was to produce a hydrogel biomaterial enriched with ascorbic acid for use as a dressing for difficult-to-heal wounds. A total of four different dressings were developed, each with different modifications in each layer. The dressing with vitamin C in the third layer was shown to release vitamin C ions more slowly than the dressing with vitamin C in the first layer. The studies conducted have shown that the dressings containing vitamin C have, among other things, a higher compressive strength, are characterised by a lower relative shortening after the application of force and shorten without damage at a lower force than in the case of a dressing without vitamin C. The dressings designed have a very good stability in the temperature range of 18 °C to 60 °C. It was found that the higher the vitamin C content in the dressing, the greater the increase in the specific heat value of the transformations. Therefore, hydrogel dressings containing vitamin C may be candidates for local delivery of vitamin C to the skin and protection of the wound area. [ABSTRACT FROM AUTHOR]

Copyright of Industria Textila is the property of Institutul National de Cercetare-Dezvoltare pentru Textile si Pielarie and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

High-precision dressing of coarse-grained arc-shaped diamond grinding wheels is one of the research hotspots in the field of precision grinding. However, the dressing of coarse-grained grinding wheels is very difficult. The electrical discharge aided grinding (EDAG) dressing technology has been innovatively proposed, which can achieve high efficiency and precision dressing of coarse-grained arc-shaped diamond grinding wheels. The material removal mechanism of the EDAG dressing method has been thoroughly analyzed. Orthogonal experiments were designed to analyze the influence of process parameters on dressing efficiency and tool loss, the rough dressing was carried out to improve dressing efficiency, and the precision dressing was carried out to improve dressing accuracy. For the concave and convex arc-shaped grinding wheel dressing with the design radius of 3 mm, the radius size errors of concave and convex arcs after rough dressing are 4.43% and 2.69%, respectively. The PV value of profile accuracy is 54.34 μm. The radius size errors of concave and convex arcs after precision dressing are 0.17% and 0.053%, respectively. The PV value of profile accuracy is 17.28 μm. Finally, the radius size errors of concave and convex arc-shaped obtained by grinding silicon carbide ceramic specimens are 0.24% and 0.045%, respectively. The surface roughness of workpiece is up to 463 nm. Thus, the EDAG dressing technology can achieve high-precision dressing of arc-shaped coarse-grained diamond grinding wheels. [ABSTRACT FROM AUTHOR]

Purpose: The aim of this paper is to achieve a reasonable microclimate between clothing and the human body and optimize the custom dress pattern. Design/methodology/approach: An interactive design method of 3D modeling, virtual try-on and heat transfer simulation are used. First, a 3D dress is designed with nonuniform rational B-splines curves and tried on virtually. After that, the heat transfer in the body-air-clothing microclimate and temperature distributions on the clothing surface are obtained. Based on the heat transfer in the body-air-clothing system, we design a method to improve the thermal comfort by optimizing the garment pattern digitally. Then, this paper utilized two heat transfer validating indexes to quantify the improvement of thermal comfort, and evaluate the modified model of dress. Findings: The microclimate under the clothing is varied with the air gap distance, and the heat transfer on the area of the clavicle, bust point and front abandon are higher than other parts due to the narrow air gaps. In view of thermal comfort, the pattern optimization changes the distance ease and reforms the air circulating efficiency. The mean heat transfer and its standard variance are changing by about 10% and more than 20%. Thus, the heat transfer evaluation indexes are suitable to represent the heat transfer and thermal comfort in the microclimate system. Research limitations/implications: It can be concluded that the methodology proposed in this paper has the advantage of interactive design, 3D visualization and local heat transfer simulation. This technology meets the need of personalized customization and well-considered garment and has broad application prospects. Originality/value: This study demonstrates that modifying the distance ease on body key girths based on heat transfer is a reliable way to improve thermal comfort. This method meets the consumers' demand of the comfort of body-fit clothing under the condition of daily activities. Highlights: 3D air gap distributions. Heat transfer varies with air gap distance. Thermal comfort can be improved by optimizing garment pattern. [ABSTRACT FROM AUTHOR]

The present study investigated freehand cutting technique in dressmaking as an entrepreneurial skill among secondary school students for sustainable development in Port Harcourt Metropolis. The researcher employed a descriptive survey research design. The study was conducted in Port Harcourt, Rivers State. The population for the study included all students in eight government secondary schools in Rivers State. A sample of 25 students was randomly selected from each of the schools, resulting in a total of 200 respondents. The researcher created a self-made questionnaire. The results emphasized the importance of teaching freehand cutting technique in dressmaking in secondary schools, as well as the need to provide Nigerian youths with training in various skills, such as creativity and innovation, entrepreneurship skills, managerial experience, and record keeping.

The community needs assessment of three adopted barangays of the Asian Institute of Maritime Studies served as a guide for the Center for Outreach Extension Development in enhancing strategic plans and programs, and in preparing necessary resources and funds. In assessing the needs of residents of the three adopted barangays, a descriptive-survey method was applied since it aims to gather the present conditions and situations of the barangays’ residents. The Community Needs Assessment survey instrument involves questions relevant to the subjects of the research and distributed to the respondents. Respondents are representative of each family in the three adopted community beneficiaries. In Barangay 13, there were 21 families; in Barangay Julugan IV, there were 24 families and in Barangay La Isla Bonita, there were 14 families. Convenience sampling was used and families living in the nearby vicinity of the Barangay Hall were the participants. From the result of the survey, most of them were high school graduates and unemployed. Likewise, participants cannot identify their own skills so the majority of the families lack a source of income, and this is a common problem within the three barangays. The suggested trainings that the respondents were willing to attend are training for electronic/ computer/cellphone repair, cooking, dressmaking, and practical electricity. The additional training to the existing program could help families to have a source of income or to be employed. Thus, the members of the adopted community could have a better standard of living through skills trainings. [ABSTRACT FROM AUTHOR]

In order to better meet the personalized customization needs of consumers, the summer dress was taken as die research object, and the principle of kansei engineering and Quantitative Theory I were combined to develop a research program. Firstly, the research sample of summer dress was determined, and the perceptual evaluation was carried out in the form of questionnaire survey. SPSS26. 0 software was used for data analysis of the evaluation remits two perceptual factors were extracted, and a two-dimensional quadrature distribution map of summer dress was constructed. On this basis, the design elements of summer dress were refined, and the prediction model between perceptual factors and style design sub-elements was established by using the principle of Quantitative Theory I. Finally, through the verification experiment and case analysis, it was found that the predicted value and measured value of the two perceptual factors have a high degree of fit, indicating that the prediction model is scientific and response, which can mathematically quantify the perceptual demand of consumers for summer dresses, and then apply it to the style design of summer dresses, providing reference for improving the user satisfaction of summer dress style design. [ABSTRACT FROM AUTHOR]

Copyright of Wool Textile Journal is the property of National Wool Textile Science & Technology Information Center and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The need for affordable effective prehospital hemostatic dressings to control hemorrhage has led to an increased interest in new dressing design approaches. Here we consider the separate components of fabric, fiber, and procoagulant nonexothermic zeolite-based formulations on design approaches to accelerated hemostasis. The design of the fabric formulations was based on incorporation of zeolite Y as the principal procoagulant, with calcium and pectin to adhere and enhance the activity. Unbleached nonwoven cotton when combined with bleached cotton displays enhanced properties related to hemostasis. Here, we compare sodium zeolite with ammonium zeolite formulated on fabrics utilizing pectin with pad versus spray-dry-cure and varied fiber compositions. Notably, ammonium as a counterion resulted in shorter times to fibrin and clot formation comparable to the procoagulant standard. The time to fibrin formation as measured by thromboelastography was found to be within a range consistent with modulating severe hemorrhage control. The results indicate a correlation between fabric add-on and accelerated clotting as measured by both time to fibrin and clot formation. A comparison between the time to fibrin formation in calcium/pectin formulations and pectin alone revealed an enhanced clotting effect with calcium decreasing by one minute the time to fibrin formation. Infra-red spectra were employed to characterize and quantify the zeolite formulations on the dressings. [ABSTRACT FROM AUTHOR]

Drug delivery systems of natural antimicrobial compounds, such as copaiba oil (CO), have become relevant in the scientific community due to the recent prevalence of the public health complications related to antibiotic resistance. Electrospun devices act as an efficient drug delivery system for these bioactive compounds, reducing systemic side effects and increasing the effectiveness of the treatment. In this way, the present study aimed to evaluate the synergistic and antimicrobial effect of the direct incorporation of different concentrations of CO in a poly(L-co-D,L lactic acid) and natural rubber (NR) electrospun membrane. It was observed that CO showed bacteriostatic and antibacterial effects against S. aureus in antibiogram assays. The prevention of biofilm formation was confirmed via scanning electron microscopy. The test with crystal violet demonstrated strong bacteria inhibition in membranes with 75% CO. A decrease in hydrophilicity, observed in the swelling test, presented that the addition of CO promotes a safe environment for the recovery of injured tissue while acting as an antimicrobial agent. In this way, the study showed strong bacteriostatic effects of the CO incorporation in combination with electrospun membranes, a suitable feature desired in wound dressings in order to promote a physical barrier with prophylactic antimicrobial properties to avoid infections during tissue healing. [ABSTRACT FROM AUTHOR]

From the end of the nineteenth century and one hundred years onward, home sewing was an important part of many women's duties, but it was also a pleasure, something that existed parallel with the emerging mass-produced ready-to-wear industry. The paper patterns used for home dressmaking were often sold and distributed through women's magazines. These pattern sections were both a kind of reader service and a conscious strategy to capture the female target group. This article, based on an analysis of three Swedish magazines, is the first in-depth survey of patterns for home sewing of women's clothes in Sweden. The study shows how the magazines adapted to changes in society with increasingly easier patterns and ready-cut fabric for their readers. By highlighting women making their clothes in the home, this article contributes to an often-neglected area of women's memory and fashion history. [ABSTRACT FROM AUTHOR]

Copyright of Piezoelectrics & Acoustooptics is the property of Piezoelectric & Acoustooptic and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Industria Textila is the property of Institutul National de Cercetare-Dezvoltare pentru Textile si Pielarie and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

In order to understand consumers' cognition of clothing style and design clothing products more in line with people's emotional needs, a garment style perceptual image prediction model based on PSO-BP neural network was constructed by taking professional dress as an example. Firstly, the professional dress samples were screened and the style design elements were deconstructed and coded. The Kansei engineering theory and factor analysis method were used to determine the representative adjectives, so as to reduce the cognitive dimension of the target users for the style characteristics and perceptual image of the dress. Then, using the sample style design element code as the input layer and the user's perceptual image evaluation score as the output layer, the PSO-BP neural network's perceptual image prediction model for professional dress styles is constructed. Finally, the sample data were input into the PSO-BP model, BP neural network and GA-BP model for simulation and calculation, and the error analysis of the results proved that the PSO-BP prediction model is effective and advanced. Designers can use this model to quickly transform customers' perceptual needs with dress style design elements, so as to improve the scientificity of design decision-making and better meet customer needs. [ABSTRACT FROM AUTHOR]

Copyright of Revista Chilena de Antropologia is the property of Universidad de Chile and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Espacio, Tiempo y Forma. Serie VII, Historia del Arte is the property of Editorial UNED and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

[Display omitted] • The dressing exhibits liquid-triggered and temperature-controlled shrinkage characteristics. • The dressing can release simvastatin and Zn2+ in pH response under acidic conditions. • The dressing is designed as a unique four-layer composite structure. • The dressing can effectively promote the closure healing of diabetic wounds. The healing process of diabetic wounds is characterized by a slow and arduous progression, making it challenging to achieve wound closure and complete healing through self-contraction, as observed in normal wounds. In this study, an intelligent multi-responsive composite of polytrimethylene carbonate (PTMC)/polyvinylpyrrolidone (PVP) nanofibrous dressing (C-PPZS) loaded with simvastatin-loaded ZIF-8 nanoparticles (ZIF-8@SIM NPs) was fabricated via electrospinning technology. The dressing exhibited liquid-triggered and temperature-controlled shrinkage characteristics, as well as pH-responsive drug release properties. When subjected to a temperature of 37 ℃ for 60 min, the area shrinkage rate of PPZS in PBS was determined to be 78.36 ± 1.14 %, and C-PPZS also reduced the area of isolated mouse skin defects to 38.01 ± 2.33 % of its original size. Furthermore, in vitro studies demonstrated that C-PPZS exhibited favorable biocompatibility and proangiogenic properties, along with significant inhibitory effects against S. aureus and E. coli. In vivo experiments conducted on diabetic mice revealed that C-PPZS facilitated wound closure and healing, attenuated scar formation, stimulated collagen fiber deposition, and promoted vascular regeneration. In conclusion, C-PPZS has great potential as an advanced dressing for the treatment of chronic wounds. [ABSTRACT FROM AUTHOR]

Background: During pregnancy, because of unique changes in the body, pregnant women need access to clothes that meet their biological needs and inspire a positive attitude toward the body. Accordingly, the aim of this study was to investigate the essential criteria for healthy designing maternity clothing. Materials and Methods: The present study was conducted as a narrative review. Searches were performed in MEDLINE, ISI Web of Science, Scopus, PubMed, EMBASE, ERIC, and ProQuest databases for the documents written between 2000 and 2021 regardless of the research methodology and the employed tools. Results: The results of this study were presented in three areas including women's expectations of maternity dress design, psycho-social effects of maternity wear, and maternal clothing designs. Conclusions: The results of this study expand the knowledge of healthy maternity wear designers and, consequently, show that maternity clothing should hold three characteristics, adaptability, comfort, and stylishness, and meanwhile minimize the protrusion of enlarged areas of the body. [ABSTRACT FROM AUTHOR]

According to the characteristics of traditional clothing, clothing identification is studied, and clothing identification and clothing culture learning are effectively combined to find a new method for the inheritance of national culture and strive to make contributions to the inheritance of national culture. According to the requirement of the traditional garment identification watermark monitoring system, a self-synchronous digital watermarking algorithm is designed and implemented. Watermark is embedded in the time domain, and feature information is extracted from traditional clothing by means of mean filtering and replaced by watermark to achieve the purpose of embedding information. Blind detection is realized without the participation of the original image. The difference between the traditional costume embedded with watermark and the original traditional costume is almost imperceptible. It can effectively resist synchronous attacks including clipping and time shifting, showing good robustness. Imperceptibility and robustness can be adjusted freely by embedding strength. The HOG + SVM algorithm is applied to minority clothing classification and recognition. By comparing different classifiers, it is concluded that the classifier trained by the support vector machine algorithm has the best classification effect on ethnic clothing. In order to improve the classification effect, the classical algorithm of color, texture, and shape feature extraction was combined with SVM to conduct experiments on the clothing database collected and sorted out in Yunnan ethnic minority communities, and finally, we verified that the HOG feature combined with the SVM classification algorithm achieved good results in the classification of ethnic clothing. [ABSTRACT FROM AUTHOR]

Hydrogels belong to the group of polymers that are more and more often considered as innovative dressing materials. It is important to develop materials showing the most advantageous properties from the application viewpoint wherein in the case of hydrogels, the type and the amount of the crosslinking agent strongly affect their properties. In this work, PVP-based hydrogels containing Aloe vera juice and L-ascorbic acid were obtained via UV-induced polymerization. Next, their surface morphology (via both optical, digital and scanning electron microscope), sorption capacity, tensile strength, and elongation were characterized. Their structure was analyzed via FT-IR spectroscopy wherein their impact on the simulated body liquids was verified via regular pH and temperature measurements of these liquids during hydrogels' incubation. It was demonstrated that as the amount of the crosslinker increased, the polymer structure was more wrinkled. Next, hydrogels showed relatively smooth and only slightly rough surface, which was probably due to the fact that the modifiers filled also the outer pores of the materials. Hydrogels demonstrated buffering properties in all incubation media, wherein during the incubation the release of Aloe vera juice probably took place as evidenced by the decrease in the pH of the incubation media and the disappearance of the absorption band deriving from the polysaccharides included in the composition of this additive. Next, it was proved that as the amount of the crosslinker increased, hydrogels' crosslinking density increased and thus their swelling ratio decreased. Hydrogels obtained using a crosslinking agent with higher average molecular weight showed higher swelling ability than the materials synthesized using crosslinker with lower average molecular weight. Moreover, as the amount of the crosslinking agent increased, the tensile strength of hydrogels as well as their percentage elongation also increased. [ABSTRACT FROM AUTHOR]

Even in the 21st century, chronic wounds still pose a major challenge due to potentially inappropriate treatment options, so the latest wound dressings are hybrid systems that enable clinical management, such as a hybrid of hydrogels, antibiotics and polymers. These wound dressings are mainly used for chronic and complex wounds, which can easily be infected by bacteria. Six Composite Porous Matrices (CPMs) based on polyurethane (PUR) in alliance with polylactide (PLAs) and poly(vinyl alcohol) (PVA) were prepared and analyzed using optical microscopy. Three different types of hydrogels and their Ciprofloxacin (Cipro) modified variants' ratios were prepared and analyzed using FTIR, SEM and EDX techniques. Six Hybrid Cipro-Releasing Hydrogel Wound Dressings (H-CRWDs) were also prepared and underwent short-term degradation, Cipro release, microbiology and cell viability measurements. Average porosity of CPMs was in the range of 69–81%. The pore size of the obtained CPMs was optimal for skin regeneration. Short-term degradation studies revealed degradability in physiological conditions regardless of sample type. A meaningful release was also observed even in short time (21.76 ​± ​0.64 ​μg/mL after 15 ​min). Microbiological tests showed visible inhibition zones. Cell viability tests proved that the obtained H-CRWDs were biocompatible (over 85% of cells). A promising hybrid wound dressing was labeled. Simple and cost-effective methods were used to obtain microbiologically active and biocompatible dressings. The results were of importance for the design and development of acceptable solutions in the management of chronic wounds of high potential for infection. [Display omitted] [ABSTRACT FROM AUTHOR]

Three-dimensional embroidery technology plays an important role in traditional embroidery. In view of the problems of traditional three-dimensional embroidery technology in the new market under the trend of modern design, the application effect of traditional three-dimensional embroidery technologies in clothing were analyzed in his paper, and the decoration characteristics of different three-dimensional embroidery types were summarized. By using the research methods of case analysis, literature research and comparative analysis, the innovative ways of traditional three-dimensional embroidery in modern decoration technology were analyzed from the perspective of material, pattern, technology and space, and the expression ways of three-dimensional embroidery technology was combed in modern clothing design. Through the innovative practice in material innovation, expression form and application field, the innovative ways of three-dimensional embroidery process were studied by combining theory and practice, so as to make the three-dimensional embroidery process more suitable for modern design and provide new decorative technology ideas for modern clothing design. [ABSTRACT FROM AUTHOR]

Dressings made with polyurethanes have been found to exhibit good and varied biological properties that make them good candidates for this application. However, as has been seen, the wound-healing process is complex, which includes four different stages. So far, the design and evaluation of polyurethane for wound dressing has focused on achieving good properties (mechanical, physicochemical, and biological), but each of them separates from the others or even directed at only one of the stages of skin wound-healing. Therefore, the aim of this systematic review is to explore the applications of polyurethanes in wound dressings and to determine whether could be designed to cover more than one stage of skin wound-healing. The PRISMA guidelines were followed. The current research in this field does not consider each stage separately, and the design of polyurethane dressings is focused on covering all the stages of wound healing with a single material but is necessary to replace polyurethanes in short periods of time. Additionally, little emphasis is placed on the hemostasis stage and further characterization of polyurethanes is still needed to correlate mechanical and physicochemical properties with biological properties at each stage of the wound-healing. Current research demonstrates an effort to characterize the materials physiochemically and mechanically, but in terms of their biological properties, most of the literature is based on the performance of histological tests of explants morphologically probing the compromised tissues, which give an indication of the potential use of polyurethanes in the generation of wound-healing dressings. [ABSTRACT FROM AUTHOR]

Nanomaterials refer to new materials that are constructed from a unit structure of one to one hundred nanometers according to certain organizational rules. The purpose of this paper is to apply nanomaterials in the study of visual effects of ethnic dress pattern design. This paper first gives a brief overview of ethnic costumes, including the status quo, development, characteristics of ethnic costumes, and also studies the pattern design and visual effects of ethnic costumes, as well as the image shaping of pattern design. Then, the content of nanomaterials is elaborated. Finally, nanomaterials are applied in the design of ethnic costumes, and they are compared with traditional ethnic costumes, and the functionalities of the costumes and the visual effects of pattern design are observed, respectively. The results show that the overall average score of the visual effect test of ethnic dress pattern design using nanomaterials reaches 8.54 points, which verifies its effectiveness. [ABSTRACT FROM AUTHOR]

Copyright of Wool Textile Journal is the property of National Wool Textile Science & Technology Information Center and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

To endow the nano-fibrous wound dressing with moisture-absorption, moisture-retention, thermal-management and anti-bacterial performances, a multi-hierarchical assemble process including electro-micro-encapsulation, electro-interpenetration and electro-deposition was used to create a structural integration including core–shell structure, interpenetrated structure and in-situ coating. First, a phase-transition thermal-management electro-spun consisting of PVDF shell and n-hexadecane core was fabricated from the coaxial electro-spinning, the heat-absorbing effect from n-hexadecane melting offers a cool feeling to make burn wounds feel comfortable. Second, an interpenetration process between PVA electro-spun and PVDF@n-hexadecane core–shell electro-spun was carried out by a heterologous co-electro-spinning device. By regulating the area density and the continuity of the hydrophilic phase and hydrophobic phase as well, the moisture-absorption and the moisture-retention performances can be manipulated. Third, a nano-capsule consisting of PCL outer shell and dual-component anti-bacterial agents as core was obtained from coaxial electrospray and then was further electro-deposited on the surface of the obtained interpenetrated membrane. After the melting of the PCL outer shell, not only the in-situ immobilization of anti-bacterial particles on the membrane surface (non-leaching sterilisation) was carried out, but also the exposure of anti-bacterial components. Owing to the collaborative integration of multiple functional ingredients and various structural elements, this composite nano-fibrous dressing displays a good moisture-absorption performance for removing exudate, a desired moisture-retention performance for offering wet surrounding to promote tissue regeneration, a comfortable absorption-heat effect and an excellent anti-bacterial performance. Combined with cytotoxicity and animal experiment evaluations, this multi-functional dressing presents a quicker healing period for second-degree burn compared to existed commercial fibrous dressing. [Display omitted] • Multi-function dressing was designed from interpenetrated-encapsulated-deposited process. • This dressing displays quicker healing rate for burn wound compared to commercial products. • Moisture-management is achieved based on a hydrophilic-hydrophobic interpenetration. • Absorption-evaporation is manipulated via adjusting the continuity of interpenetrated components. • Anti-Bacterial and cooling effects make the healing of burn wound in a safe and comfortable way. [ABSTRACT FROM AUTHOR]