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10.1016/j.jmbbm.2020.104175 http://scihub22266oqcxt.onion/10.1016/j.jmbbm.2020.104175 33214107!7660972!33214107     free     free     free Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       J+Mech+Behav+Biomed+Mater 2021 ; 114 (ä): 104175 Nephropedia Template TP {{tp|p=33214107|t=2021. 3D printed auxetic nasopharyngeal swabs for COVID-19 sample collection |pdf=|usr=}}{{33214107}} gab.com Text 3D printed auxetic nasopharyngeal swabs for COVID-19 sample collection JO: J Mech Behav Biomed Mater http://www.kidney.de/pget.php?&tw=1&pmid=33214107 #FOAvip The COVID-19 pandemic has resulted in worldwide shortages of nasopharyngeal swabs required for sample collection. While the shortages are becoming acute due to supply chain disruptions, the demand for testing has increased both as a prerequisite to lifting restrictions and in preparation for the second wave. One of the potential solutions to this crisis is the development of 3D printed nasopharyngeal swabs that behave like traditional swabs. However, the opportunity to digitally conceive and fabricate swabs allows for design improvements that can potentially reduce patient pain and discomfort. The study reports the progress that has been made on the development of auxetic nasopharyngeal swabs that can shrink under axial resistance. This allows the swab to navigate through the nasal cavity with significantly less stress on the surrounding tissues. This is achieved through systematically conceived negative Poisson's ratio (-upsilon) structures in a biocompatible material. Finite element (FE) and surrogate modelling techniques were employed to identify the most optimal swab shape that allows for the highest negative strain (-epsilon(lat)) under safe stress (sigma(von)). The influence and interaction effects of the geometrical parameters on the swab's performance were also characterised. The research demonstrates a new viewpoint for the development of functional nasopharyngeal swabs that can be 3D printed to reduce patient discomfort. The methodology can be further exploited to address various challenges in biomedical devices and redistributed manufacturing. Twit Text FOAVip 3D printed auxetic nasopharyngeal swabs for COVID-19 sample collection ????J Mech Behav Biomed Mater http://www.kidney.de/pget.php?&tw=1&pmid=33214107 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33214107 #FOAvip English Wikipedia <ref>{{Cite pmid|33214107}}</ref> 3D printed auxetic nasopharyngeal swabs for COVID-19 sample collection #MMPMID33214107 Arjunan A; Zahid S; Baroutaji A; Robinson J J Mech Behav Biomed Mater 2021[Feb]; 114 (ä): 104175 PMID33214107show ga The COVID-19 pandemic has resulted in worldwide shortages of nasopharyngeal swabs required for sample collection. While the shortages are becoming acute due to supply chain disruptions, the demand for testing has increased both as a prerequisite to lifting restrictions and in preparation for the second wave. One of the potential solutions to this crisis is the development of 3D printed nasopharyngeal swabs that behave like traditional swabs. However, the opportunity to digitally conceive and fabricate swabs allows for design improvements that can potentially reduce patient pain and discomfort. The study reports the progress that has been made on the development of auxetic nasopharyngeal swabs that can shrink under axial resistance. This allows the swab to navigate through the nasal cavity with significantly less stress on the surrounding tissues. This is achieved through systematically conceived negative Poisson's ratio (-upsilon) structures in a biocompatible material. Finite element (FE) and surrogate modelling techniques were employed to identify the most optimal swab shape that allows for the highest negative strain (-epsilon(lat)) under safe stress (sigma(von)). The influence and interaction effects of the geometrical parameters on the swab's performance were also characterised. The research demonstrates a new viewpoint for the development of functional nasopharyngeal swabs that can be 3D printed to reduce patient discomfort. The methodology can be further exploited to address various challenges in biomedical devices and redistributed manufacturing. |*Printing, Three-Dimensional[MESH] |COVID-19 Testing/instrumentation[MESH] |COVID-19/*diagnosis[MESH] |Equipment Design[MESH] |Mechanical Phenomena[MESH] |Nasopharynx/*virology[MESH]3D printed auxetic nasopharyngeal swabs for COVID-19 sample collection(epmc).pdf DeepDyve Pubget Overpricing