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The textile products labelling analysis and requirements
Luna Santos-Roldán,Beatriz Palacios-Florencio,Juan Manuel Berbel-Pineda 한국의류학회 2020 Fashion and Textiles Vol.7 No.1
The textile sector is one of the most representative of Spanish industry, contributing to the wealth of the country with close to 10% of the business fabric in Spain. However, in spite of this daily consumption little is known about the guarantees of traceability clothes labelling must inform about. The purpose of this study is to present a work of analysis of the compliance with the content of the labelling in this sector. For his objective, a research was developed through the consideration of 32 businesses of the textile sector in the city of Córdoba (Spain) where were photographed each label for its later analysis and a confirmation of the regulation. The results show that the majority of labels are incomplete and insufficient. Therefore, it’s necessary the existence of an European public organism with a competence to accredit the manufacturing, distribution and commercialization of textile garments, protecting the rights of workers and the consumers’ access to information.
An Interactive 3-D Audio System With Loudspeakers
Myung-Suk Song,Cha Zhang,Florencio, D.,Hong-Goo Kang IEEE 2011 IEEE transactions on multimedia Vol.13 No.5
<P>Traditional 3-D audio systems using two loudspeakers often have a limited sweet spot and may suffer from poor performance in reverberant environments. This paper presents a novel binaural 3-D audio system that actively combines head tracking and room modeling into 3-D audio synthesis. The user's head position and orientation are first tracked by a webcam-based 3-D head tracker. The system then improves its robustness to head movement and strong early reflections by incorporating the tracking information and an explicit room model into the binaural synthesis and crosstalk cancellation process. Sensitivity analysis on the room model shows that the method is reasonably robust to modeling errors. Subjective listening tests confirm that the proposed 3-D audio system significantly improves the users' perception and ability for localization.</P>
Carbohydrate-electrolyte drinks exhibit risks for human enamel surface loss
Mary Anne Sampaio de Melo,Vanara Florencio Passos,Juliana Paiva Marques Lima,Sergio Lima Santiago,Lidiany Karla Azevedo Rodrigues 대한치과보존학회 2016 Restorative Dentistry & Endodontics Vol.41 No.4
Objectives: The aim of this investigation was to give insights into the impact of carbohydrate-electrolyte drinks on the likely capacity of enamel surface dissolution and the influence of human saliva exposure as a biological protective factor. Materials and Methods: The pH, titratable acidity (TA) to pH 7.0, and buffer capacity (β) of common beverages ingested by patients under physical activity were analyzed. Then, we randomly distributed 50 specimens of human enamel into 5 groups. Processed and natural coconut water served as controls for testing three carbohydrate-electrolyte drinks. In all specimens, we measured surface microhardness (Knoop hardness numbers) and enamel loss (profilometry, μm) for baseline and after simulated intake cycling exposure model. We also prepared areas of specimens to be exposed to human saliva overnight prior to the simulated intake cycling exposure. The cycles were performed by alternated immersions in beverages and artificial saliva. ANOVA two-way and Tukey HDS tests were used. Results: The range of pH, TA, and β were 2.85 - 4.81, 8.33 - 46.66 mM/L and 3.48 - 10.25 mM/L × pH, respectively. The highest capacity of enamel surface dissolution was found for commercially available sports drinks for all variables. Single time human saliva exposure failed to significantly promote protective effect for the acidic attack of beverages. Conclusions: In this study, carbohydrate-electrolyte drinks usually consumed during endurance training may have a greater capacity of dissolution of enamel surface depending on their physicochemical proprieties associated with pH and titratable acidity.
Carbohydrate-electrolyte drinks exhibit risks for human enamel surface loss
de Melo, Mary Anne Sampaio,Passos, Vanara Florencio,Lima, Juliana Paiva Marques,Santiago, Sergio Lima,Rodrigues, Lidiany Karla Azevedo The Korean Academy of Conservative Dentistry 2016 Restorative Dentistry & Endodontics Vol.41 No.4
Objectives: The aim of this investigation was to give insights into the impact of carbohydrate-electrolyte drinks on the likely capacity of enamel surface dissolution and the influence of human saliva exposure as a biological protective factor. Materials and Methods: The pH, titratable acidity (TA) to pH 7.0, and buffer capacity (${\beta}$) of common beverages ingested by patients under physical activity were analyzed. Then, we randomly distributed 50 specimens of human enamel into 5 groups. Processed and natural coconut water served as controls for testing three carbohydrate-electrolyte drinks. In all specimens, we measured surface microhardness (Knoop hardness numbers) and enamel loss (profilometry, ${\mu}m$) for baseline and after simulated intake cycling exposure model. We also prepared areas of specimens to be exposed to human saliva overnight prior to the simulated intake cycling exposure. The cycles were performed by alternated immersions in beverages and artificial saliva. ANOVA two-way and Tukey HDS tests were used. Results: The range of pH, TA, and ${\beta}$ were 2.85 - 4.81, 8.33 - 46.66 mM/L and 3.48 - $10.25mM/L{\times}pH$, respectively. The highest capacity of enamel surface dissolution was found for commercially available sports drinks for all variables. Single time human saliva exposure failed to significantly promote protective effect for the acidic attack of beverages. Conclusions: In this study, carbohydrate-electrolyte drinks usually consumed during endurance training may have a greater capacity of dissolution of enamel surface depending on their physicochemical proprieties associated with pH and titratable acidity.
Material Recovery by Informal E-waste Processing in the Philippines
( Atsushi Terazono ),( Masahiro Oguchi ),( Shunsuke Kuzuhara ),( Aya Yoshida ),( Ruji P. Medina ),( Florencio C. Ballesteros Jr ) 한국폐기물자원순환학회(구 한국폐기물학회) 2015 한국폐기물자원순환학회 3RINCs초록집 Vol.2015 No.-
Waste electrical and electronic equipment, i.e. e-waste, is a great concern among researchers and policymakers, due to its potential as a source of serious environmental pollution. In order to understand processes and issues by informal e-waste processing in the Philippines, informal smelting process for gold was clarified from the field survey at several smelters. Metal recovery tests were conducted at one site with actual e-waste samples. Three types of e-wastes were tested: computer memory boards, boards for hard disk drives, and boards for video cards. Among three e-waste samples tested, memory boards contained the highest amount of gold. Since the gold content of non-segregated e-waste is not high, pre-processing is essential for gold extraction to raise cost-effectiveness. With regard to health and environmental effect, many issues were found including protective equipment for workers.
Nanomedicine and nanoparticle-based delivery systems in plastic and reconstructive surgery
Jea Giezl N. Solidum,Jeremy A. Ceriales,Erika P. Ong,Eric David B. Ornos,Ruth Joy L. Relador,Elgin Paul B. Quebral,Jose Florencio F. Lapeña Jr.,Ourlad Alzeus G. Tantengco,Ka Yiu Lee 대한악안면성형재건외과학회 2023 Maxillofacial Plastic Reconstructive Surgery Vol.45 No.-
Background Nanotechnology and nanomedicine are rising novel fields in plastic and reconstructive surgery (PRS). The use of nanomaterials often goes with regenerative medicine. Due to their nanoscale, these materials stimulate repair at the cellular and molecular levels. Nanomaterials may be placed as components of nanocomposite polymers allowing enhancement of overall biochemical and biomechanical properties with improved scaffold properties, cellular attachment, and tissue regeneration. They may also be formulated as nanoparticle-based delivery systems for controlled release of signal factors or antimicrobials, for example. However, more studies on nanoparticle-based delivery systems still need to be done in this field. Nanomaterials are also used as frameworks for nerves, tendons, and other soft tissues. Main body In this mini-review, we focus on nanoparticle-based delivery systems and nanoparticles targeting cells for response and regeneration in PRS. Specifically, we investigate their roles in various tissue regeneration, skin and wound healing, and infection control. Cell surface-targeted, controlled-release, and inorganic nanoparticle formulations with inherent biological properties have enabled enhanced wound healing, tumor visualization/imaging, tissue viability, and decreased infection, and graft/transplantation rejection through immunosuppression. Conclusions Nanomedicine is also now being applied with electronics, theranostics, and advanced bioengineering technologies. Overall, it is a promising field that can improve patient clinical outcomes in PRS.