Riga-Fede Disease and Neonatal Teeth

AIM: The aim of this study is to present a case of Riga-Fede disease (RFD). RFD is a benign and uncommon mucosal disorder, characterized by an ulceration of the tongue, often caused by repetitive traumatic injuries due to backward and forward movements of the tongue over the mandibular anterior incisors. RFD is most commonly associated with the eruption of primary lower incisor in older infants or natal-neonatal teeth in newborns. METHODS: A 2-month-old female infant was referred to our Paediatric Dentistry Unit for ulceration (13 mm diameter) on the ventral surface of the tongue and neonatal teeth. The extraction of neonatal teeth was selected as treatment of choice, over more conservative treatments, for the rapid resolution of the lesion and for the limited risk of inadequate nutrients intake. The extracted teeth underwent a macroscopic/microscopic examination. The complete healing of the lesion took 4 weeks; subsequently, the infant, revised at the 1-year follow-up visit. CONCLUSION: Early detection of RFD is recommended because such lesions properly may induce deformity or mutilation of tongue, dehydration, inadequate nutrients intake by the infant and growth retardatio

Thermal-induced phase transitions in self-assembled mesostructured films studied by small-angle X-ray scattering

Two examples of phase transition in self-assembled mesostructured hybrid thin films are reported. The materials have been synthesized using tetraethoxysilane as the silica source hydrolyzed with or without the addition of methyltriethoxysilane. The combined use of transmission electron microscopy, small-angle X-ray scattering and computer simulation has been introduced to achieve a clear identification of the organized phases. A structural study of the self-assembled mesophases as a function of thermal treatment has allowed the overall phase transition to be followed. The initial symmetries of mesophases in as-deposited films have been linked to those observed in samples after thermal treatment. The monodimensional shrinkage of silica films during calcination has induced a phase transition from face-centered orthorhombic to body-centered cubic. In hybrid films, instead, the phase transition has not involved a change in the unit cell but a contraction of the cell parameter normal to the substrate

Childhood obesity and skeletal-dental maturity

The aim of this cross-sectional study was to evaluate the skeletal maturation assessed through cervical vertebral maturation (CVM) and dental age, in normal weight, pre-obese and obese patients, using the Body Mass Index (BMI) and the Dual energy X-ray Absorptiometry (DXA)

Acoustophoresis in Variously Shaped Liquid Droplets

The ability to precisely trap, transport and manipulate micrometer-sized objects, including biological cells, DNA-coated microspheres and microorganisms, is very important in life science studies and biomedical applications. In this study, acoustic radiation force in an ultrasonic standing wave field is used for micro-objects manipulation, a technique termed as acoustophoresis. Free surfaces of liquid droplets are used as sound reflectors to confine sound waves inside the droplets. Two techniques were developed for precise control of droplet shapes: edge pinning and hydrophilic/hydrophobic interface pinning. For all tested droplet shapes, including circular, annular and rectangular, our experiments show that polymer micro particles can be manipulated by ultrasound and form into a variety of patterns, for example, concentric rings and radial lines in an annular droplet. The complexity of the pattern increases with increasing frequency, and the observations are in line with simulation results. The acoustic manipulation technique developed here has the potential to be integrated into a more complex on-chip microfluidic circuit. Especially because our method is well compatible with electrowetting technology, which is a powerful tool for manipulating droplets with free surfaces, the combination of the two methods can provide more versatile manipulation abilities and may bring a wealth of novel applications. In the end, we demonstrate for the first time that acoustophoresis can be used for manipulating Caenorhabditis elegans

On the stable homotopy of a Z₂-Moore space

Silica-germania thin films are important materials for photonic applications, but synthesis of these films is quite difficult to achieve especially with the task of obtaining a homogeneous structure. We have prepared mesoporous silica-germania films via evaporation-induced self-assembly from ethanolic solutions of Si and Ge chlorides, using a triblock copolymer as the templating agent. The mesostructure has been found to have tetragonal symmetry, and the degree of order decreased with increasing Ge content. X-ray photoelectron spectroscopy has shown that the chemical composition of the films is close to the nominal composition. Infrared analysis has revealed that the pore walls are highly condensed and residual hydroxyls are present as isolated. or hydrogen bonded silanols in short chains. UV-vis absorption and photoluminescence spectra have been correlated with the presence of photoactive oxygen-deficient Ge2+ centers which can give rise to a variation in the refractive index upon high-power density UV irradiation

The effect of promotional push notifications from supermarket branded apps on purchase behavior

Mestrado em MarketingA adoção de dispositivos móveis no mundo presenciou um aumento exponencial nos últimos anos, o que também se refletiu no número de aplicações móveis, ou apps. Muitas empresas desenvolveram suas próprias apps para exibir suas entidades de marca e começaram a usá-las como um canal de marketing direto com notificações push, mensagens exibidas no ecrã do dispositivo móvel. Esta pesquisa procura compreender a dimensão do impacto no comportamento de compra das notificações push enviadas por aplicações de marca das redes de supermercados portuguesas. Além disso visa segmentar os resultados para diferentes grupos de compradores com base em variáveis psicográficas. Esta pesquisa foi realizada adotando-se uma abordagem quantitativa e amostragem não probabilística. Com um questionário online, foram coletados de 265 respostas, que foram tratadas com procedimentos estatísticos, como análise descritiva, multivariada e de cluster. As descobertas confirmam que os clientes que receberam notificações push têm uma média superior nos gastos mensais nos supermercados, em comparação com os clientes com aplicativos de marca que não receberam nenhuma notificação push. Entretanto, esses resultados foram observados apenas nos compradores envolvidos profundamente em todos os atributos da compra e nos compradores com uma maior preocupação com os produtos. Academicamente, esta dissertação contribui para a discussão sobre notificações push como um canal de marketing direto e sobre os efeitos das características do cliente no efeito do marketing direto. Essa investigação também oferece informações para o profissional de marketing, afirmando que as notificações por push podem ser usadas para impulsionar compras offline dos usuários.Mobile adoption has seen an exponential increase worldwide in recent years, which has also been reflected in the number of mobile applications, or apps. Many companies have developed their own apps to display their brand entities and have started using them as a direct marketing channel with push notifications, messages displayed on their mobile device screen. This research seeks to understand the extent of the impact on purchasing behavior of push notifications sent by branded applications from Portuguese supermarket chains. It also aims to segment the results to different buyer groups based on psychographic variables. This research was conducted by adopting a quantitative approach and non-probabilistic sampling. With an online questionnaire, 265 responses were collected and treated with statistical procedures such as descriptive, multivariate and cluster analysis. The findings confirm that customers who received push notifications had a higher average monthly spend in supermarkets than customers with branded apps who received no push notifications. However, these results were observed only for buyers deeply involved in all attributes of the purchase and for buyers with a greater concern for the products. Academically, this dissertation contributes to the discussion of push notifications as a direct marketing channel and the effects of customer characteristics on the effect of direct marketing. This research also provides insight to the marketer, stating that push notifications can be used to drive users' offline purchases.info:eu-repo/semantics/publishedVersio

Genetic improvement for crossbreeding in table grape varieties

Genetic improvement by crossbreeding of table grape varieties was realized at the Istituto Sperimentale per la Viticoltura for the achievement of the following main targets: early species, seedless species, species with high content of fructose in grapes and, at the same time, a research concerning the hereditary transmission of these features. The results are the followings: Registration in the National Catalogue of the varieties of 4 new table grape varieties that are interesting for their ripening (IC. 199, LC. 218, IC. 120, IC. 213).Information concerning the heritability of earliness, average weight of grape and bunch for the varieties examined.Achievement of varieties that have a ratio between the two monosaccharides considerably tending towards fructose. This feature remains constant throughout the years

Rapporto tra domanda di adempimento e domanda di risoluzione del contratto per inadempimento

La tesi si occupa del rapporto esistente tra la domanda di adempimento del contratto e la domanda di risoluzione del contratto per inadempimento alla luce del disposto dell\u2019art. 1453 c.c. In particolare la tesi si propone di individuare se esistano e quali siano i limiti oltre i quali la sostituzione di una domanda all\u2019altra non \ue8 pi\uf9 possibile, sia da dal punto di vista processuale che dal punto di vista sostanziale. L\u2019analisi continua con lo studio del rapporto esistente tra le due domande nell\u2019ambito dell\u2019ordinamento giuridico francese, alla luce del disposto dell\u2019art. 1184 del Code Civil, allo scopo di verificare se la questione esista anche in tale ordinamento ed in che termini. Segue il confronto tra i due sistemi allo scopo di verificare se, pur a fronte delle differenze apparentemente esistenti e la maggiore libert\ue0 esistente nell\u2019ordinamento francese nel passaggio da una domanda all\u2019altra, i principi e le conclusioni applicabili nei due ordinamenti siano gli stessi.The doctoral thesis concerns the relationship existing between the claim for the fulfilment of the agreement and the claim for its resolution according to article 1453 of the Italian Civil Code. In particular, the thesis tries to check if there are any limits (and, in this case, what kind of limits there are) beyond which the substitution of a claim to the other one is no more possible during the trial and also from a substantial point of view. The analysis goes on with the consideration of the relationship existing between the two claims in the French private law, according to article 1184 of the French Code Civil, in order to check if in that system there is a similar question. The thesis goes on with the comparison of the rules existing in the two systems in order to verify if beyond the differences and beyond the fact that in the French system there is much more freedom for the substitution of a claim to the other one, the principles and the conclusions are quite the same

Motor Planning in Autism Spectrum Disorder

openLo scopo del presente studio è quello di analizzare la performance motoria in bambini con Disturbo dello Spettro Autistico in età scolare e prescolare (età media 75 mesi) in una prova di anticipazione motoria confrontandola con la performance di bambini a sviluppo tipico in età prescolare (età media 34 mesi) e con la loro abilità di pianificazione nella vita quotidiana