{"id":2713,"date":"2024-10-02T08:57:00","date_gmt":"2024-10-02T06:57:00","guid":{"rendered":"https:\/\/inablab.org\/silence-in-biological-environments\/"},"modified":"2026-05-29T09:40:42","modified_gmt":"2026-05-29T07:40:42","slug":"silence-in-biological-environments","status":"publish","type":"post","link":"https:\/\/inablab.org\/en\/silence-in-biological-environments\/","title":{"rendered":"Silence in biological environments"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">This study presents a new sound-absorbing material made from plastic bottles and biocompatible PET felt.<br\/><br\/><strong>Abstract<\/strong><br\/><br\/>Noise pollution negatively impacts people\u2019s mental and physiological health. Unfortunately, not only is noise present in hospital environments, but its level frequently exceeds recommended thresholds. The efficacy of passive acoustic absorbers in reducing indoor noise in these scenarios has been well-documented. Conversely, given their inorganic composition and their origin in the petrochemical industry, most of these materials present a risk to human health. <br\/>   <\/p>\n\n<p class=\"wp-block-paragraph\">Over the last few years, there has been a notable increase in research on eco-friendly, low-toxicity, and biocompatible materials. This work outlines a methodology for fabricating recycled acoustic panels from plastic bottles and PET felt composites. This study encompasses three key objectives: (i) a comprehensive biocompatibility assessment of the panels, (ii) an evaluation of their thermal and acoustic properties, and (iii) their applicability in several case studies to evaluate potential acoustic enhancements.     <\/p>\n\n<p class=\"wp-block-paragraph\">Specifically, antifungal resistance tests, Volatile Organic Compound (VOC) emission assessment, and cell viability experiments were conducted successfully. Additionally, experimental procedures were performed to determine the thermal conductivity and thermal resistance of the proposed material, along with its sound absorption coefficients in diffuse field conditions. <\/p>\n\n<p class=\"wp-block-paragraph\">Finally, the potential benefits of using this biomaterial in healthcare environments to reduce noise and improve acoustic comfort were demonstrated.<br\/><\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.mdpi.com\/2075-5309\/14\/10\/3151\" target=\"_blank\" rel=\"noreferrer noopener\">See publication<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This study presents a new sound-absorbing material made from plastic bottles and biocompatible PET felt.<\/p>\n","protected":false},"author":8,"featured_media":755,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[44],"tags":[],"class_list":["post-2713","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-scientific-paper"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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