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Innovative Factors Affecting the Diffusion of the New Nanotechnology Paradigm, 1983-2013
Alenka Guzmá,n,Flor Brown,Edgar Acatitla 서울대학교 경제연구소 2021 Seoul journal of economics Vol.34 No.3
By examining innovative factors that could influence the diffusion of the new nanotechnology paradigm (NNP) across countries, we identify several innovative variables that relate positively to high nanotechnology diffusion across countries. In accordance with the Poisson count regression model based on the proposed nanotechnology patent data of the United States Patent and Trademark Office, we find that the lag time of nanotechnology knowledge diffusion, the size of research teams, the invention scope of each nanotechnology patent, and technological cooperation seem to affect the NNP, with the first variable having a massive effect. Our objective is to use patent microdata to contribute to empirical research on nanotechnology diffusion.
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Restoration and conservation of anatomic pieces
Camila Cá,rdenas Guerrero Guzmá,n,Karen Alejandra Pé,rez Dí,az,Marí,a Paula Ruí,z Dí,az,Valentina Dí,az Sá,nchez,André,s Camilo Ariza Aguirre,Laura Catalina Can 대한해부학회 2019 Anatomy & Cell Biology Vol.52 No.3
In this study, a restoration process was developed with potassium hydroxide (KOH), in order to improve each of the structures for their posterior fixation, through the use of new methods such as the Chilean conservative fixative solution (SFCCh), with exceptional results. Restore anatomical pieces corresponding to corpse and organs, being these last set with the SFCCh. In this work dealt with processes of restoration with potassium hydroxide, sodium chloride, and sodium hypochlorite, the process began with the cleanliness and suture of the structures for subsequent fixing in Chilean conservative fixative solution, making use of a corpse and different anatomical parts. Work based on items found in the database, Elsevier, Science Direct, ProQuest, and MEDLINE. At the end of the process of restoration and conservation of the anatomical pieces, was observed an improvement in muscle pigment with decrease of rigidity in the specimen, additionally a recovery of appearance in the vascular-nervous elements was achieved. The organs were much more malleable and the structures facilitate the identification of specific details, its subsequent immersion in SFCCh allows the longer preservation of the obtained results. The restoration with potassium hydroxide allows the improvement in the appearance of the different anatomical structures and simultaneously to facilitate its study. The SFCCh is an alternative that replaces partially the use of formaldehyde. In addition, it presents toxicity reduction.
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