ABSTRACT
The vaccines against COVID-19 arrived in Spain at the end of 2020 along with vaccination campaigns which were not free of controversy. The debate was fueled by the adverse effects following the administration of the AstraZeneca-Oxford (AZ) vaccine in some European countries, eventually leading to its temporary suspension as a precautionary measure. In the present study, we analyze the healthcare professionals' conversations, sentiment, polarity, and intensity on social media during two periods in 2021: the one closest to the suspension of the AZ vaccine and the same time frame 30 days later. We also analyzed whether there were differences between Spain and the rest of the world. Results: The negative sentiment ratio was higher (U = 87; p = 0.048) in Spain in March (Med = 0.396), as well as the daily intensity (U = 86; p = 0.044; Med = 0.440). The opposite happened with polarity (U = 86; p = 0.044), which was higher in the rest of the world (Med = -0.264). Conclusions: There was a general increase in messages and interactions between March and April. In Spain, there was a higher incidence of negative messages and intensity compared to the rest of the world during the March period that disappeared in April. Finally, it was found that the dissemination of messages linked to negative emotions towards vaccines against COVID-19 from healthcare professionals contributed to a negative approach to primary prevention campaigns in the middle of the pandemic.
Subject(s)
COVID-19 , Social Media , Vaccines , Humans , Sentiment Analysis , COVID-19/epidemiology , COVID-19/prevention & control , COVID-19 Vaccines , Delivery of Health CareABSTRACT
Bactrocera oleae, the olive fruit fly, is one of the most important pests affecting the olive fruit, causing serious quantitative and qualitative damage to olive oil production. In this study, the changes induced by B. oleae infestation in the biosynthesis of volatile and phenolic compounds in olive (cvs. Picual, Manzanilla, and Hojiblanca) have been analyzed. Despite cultivar differences, the oils obtained from infested fruits showed a significant increase in the content of certain volatile compounds such as (E)-hex-2-enal, ethanol, ethyl acetate, and ß-ocimene and a drastic decrease of the phenolic contents. The impact of those changes on the inferred quality of the oils has been studied. In parallel, the changes induced by the attack of the olive fly on the expression of some key genes in the biosynthesis of volatile and phenolic compounds, such as lipoxygenase, ß-glucosidase, and polyphenol oxidase, have been analyzed. The strong induction of a new olive polyphenol oxidase gene (OePPO2) explains the reduction of phenolic content in the oils obtained from infested fruits and suggest the existence of a PPO-mediated oxidative defense system in olives.
Subject(s)
OleaABSTRACT
RESUMEN En este trabajo se describió el protocolo diagnóstico, quirúrgico y protésico de la cirugía guiada mínimamente invasiva para la colocación de implantes dentales; se ilustró con un caso clínico de alto requerimiento en precisión, a partir de las tomografías de la férula y copia de la futura prótesis. Se realizó una conversión informática para poder utilizar el software de planificación ideal de los implantes en función de la prótesis; se obtuvo la guía quirúrgica que dirige las perforaciones y la colocación de los implantes. Este tipo de cirugía puede ser una alternativa exitosa para el posicionamiento ideal de los implantes dentales según los requerimientos anatómicos y protésicos de los pacientes.
ABSTRACT A prosthetic, surgical and diagnostic protocol of the minimally invasive guided surgery for the placement of dental implants was described in this work; it was illustrated with a clinical case of high precision requirement, from the tomographies of the splint and a copy of the future prosthesis. A computer conversion was carried out to be able to use the ideal dental implant planning software according to the prosthesis; the surgical guide that directs the perforations and the placement of the implants was obtained. This type of surgery can be a successful alternative for the ideal positioning of dental implants according to the anatomical and prosthetic requirements of patients.
Subject(s)
Dental Implants , Surgery, Computer-AssistedABSTRACT
En este trabajo se describió el protocolo diagnóstico, quirúrgico y protésico de la cirugía guiada mínimamente invasiva para la colocación de implantes dentales; se ilustró con un caso clínico de alto requerimiento en precisión, a partir de las tomografías de la férula y copia de la futura prótesis. Se realizó una conversión informática para poder utilizar el software de planificación ideal de los implantes en función de la prótesis; se obtuvo la guía quirúrgica que dirige las perforaciones y la colocación de los implantes. Este tipo de cirugía puede ser una alternativa exitosa para el posicionamiento ideal de los implantes dentales según los requerimientos anatómicos y protésicos de los pacientes.
