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Vinícius Bianchi Soares,Luis Antonio Polaci da Silva,Gabriela Martins de Araújo,Fábio Ruiz Simões 대한금속·재료학회 2020 ELECTRONIC MATERIALS LETTERS Vol.16 No.6
In this study, composites based on poly(o-ethoxyaniline), POEA, and its composites grafted with functionalized multiwalledcarbon nanotubes (MWCNT) were obtained by the oxidative in situ chemical polymerization varying the mass ratio ofo-ethoxyaniline:MWCNT of 100:1 and 100:5. POEA and its POEA-MWCNT grafted composites were used to prepare selfassembled(SA) deposited onto indium tin oxide (ITO) substrates with alternating layers of polystyrene sulfonate (PSS). Thestructure and morphology of the samples were characterized by Fourier transform infrared spectroscopy and scanning electronmicroscopy. The SA films were characterized by cyclic voltammetry, UV–Vis and electrochemical impedance spectroscopy(EIS). The EIS results showed expressive decrease of the polarization resistance (Rp), from 13,342 Ω, for POEA/PSS, to 568Ω for POEA-MWCNT(100:1)/PSS (about 23 times lower) and to 240 Ω for POEA-MWCNT(100:5)/PSS film. Consideringthat higher mass proportions of MWCNT can affect the final morphology and the oxidation ratio of POEA chains and aiming strong interactions between the POEA and MWCNT as well the significant reduction of charge transfer resistance, the SA film POEA-MWCNT(100:1)/PSS has potential for future applications as sensors and charge storage devices.
Salvatori, Pietro,Mincione, Antonio,Rizzi, Lucio,Costantini, Fabrizio,Bianchi, Alessandro,Grecchi, Emma,Garagiola, Umberto,Grecchi, Francesco Korean Association of Maxillofacial Plastic and Re 2017 Maxillofacial Plastic Reconstructive Surgery Vol.39 No.-
Background: Oronasal/antral communication, loss of teeth and/or tooth-supporting bone, and facial contour deformity may occur as a consequence of maxillectomy for cancer. As a result, speaking, chewing, swallowing, and appearance are variably affected. The restoration is focused on rebuilding the oronasal wall, using either flaps (local or free) for primary closure, either prosthetic obturator. Postoperative radiotherapy surely postpones every dental procedure aimed to set fixed devices, often makes it difficult and risky, even unfeasible. Regular prosthesis, tooth-bearing obturator, and endosseous implants (in native and/or transplanted bone) are used in order to complete dental rehabilitation. Zygomatic implantology (ZI) is a valid, usually delayed, multi-staged procedure, either after having primarily closed the oronasal/antral communication or after left it untreated or amended with obturator. The present paper is an early report of a relatively new, one-stage approach for rehabilitation of patients after tumour resection, with palatal repair with loco-regional flaps and zygomatic implant insertion: supposed advantages are concentration of surgical procedures, reduced time of rehabilitation, and lowered patient discomfort. Cases presentation: We report three patients who underwent alveolo-maxillary resection for cancer and had the resulting oroantral communication directly closed with loco-regional flaps. Simultaneous zygomatic implant insertion was added, in view of granting the optimal dental rehabilitation. Conclusions: All surgical procedures were successful in terms of oroantral separation and implant survival. One patient had the fixed dental restoration just after 3 months, and the others had to receive postoperative radiotherapy; thus, rehabilitation timing was longer, as expected. We think this approach could improve the outcome in selected patients.
Birth Weight and the Development of Functional Gastrointestinal Disorders in Infants
Maria Elisabetta Baldassarre,Antonio Di Mauro,Silvia Salvatore,Silvio Tafuri,Francesco Paolo Bianchi,Enzo Dattoli,Lucia Morando,Licia Pensabene,Fabio Meneghin,Dario Dilillo,Valentina Mancini,Valentina 대한소아소화기영양학회 2020 Pediatric gastroenterology, hepatology & nutrition Vol.23 No.4
Purpose: To assess the association between birth weight and the development of functional gastrointestinal disorders (FGIDs) in the first year of life. Methods: This is a secondary analysis of a prospective cohort multicenter study including neonates, consecutively enrolled at birth, and followed up for one year. At birth all infants were classified by birth weight as extremely low (ELBW), very low, or low when <1,000, <1,500, and <2,500 g, respectively, and by birth weight for gestational age as appropriate (AGA, weight in the 10–90th percentile), small (SGA, weight <10th percentile), and large (LGA, weight >90th percentile) for gestational age. FGIDs were classified according to the Rome III criteria and assessed at 1, 3, 6, and 12 months of life. Results: Among 1,152 newborns enrolled, 934 (81.1%) completed the study: 302 (32.3%) were preterm, 35 (3.7%) were ELBW, 104 (11.1%) were SGA, 782 (83.7%) were AGA, and 48 (5.1%) were LGA infants. Overall, throughout the first year of life, 718 (76.9%) reported at least one FGID. The proportion of infants presenting with at least one FGID was significantly higher in ELBW (97%) compared to LBW (74%) (p=0.01) and in LGA (85.4%) and SGA (85.6%) compared to AGA (75.2%) (p=0.0001). On multivariate analysis, SGA was significantly associated with infantile colic. Conclusion: We observed an increased risk of FGIDs in ELBW, SGA, and LGA neonates. Our results suggest that prenatal factors determining birth weight may influence the development of FGIDs in infants. Understanding the role of all potential risk factors may provide new insights and targeted approaches for FGIDs.
Birth Weight and the Development of Functional Gastrointestinal Disorders in Infants
Baldassarre, Maria Elisabetta,Di Mauro, Antonio,Salvatore, Silvia,Tafuri, Silvio,Bianchi, Francesco Paolo,Dattoli, Enzo,Morando, Lucia,Pensabene, Licia,Meneghin, Fabio,Dilillo, Dario,Mancini, Valentin The Korean Society of Pediatric Gastroenterology 2020 Pediatric gastroenterology, hepatology & nutrition Vol.23 No.4
Purpose: To assess the association between birth weight and the development of functional gastrointestinal disorders (FGIDs) in the first year of life. Methods: This is a secondary analysis of a prospective cohort multicenter study including neonates, consecutively enrolled at birth, and followed up for one year. At birth all infants were classified by birth weight as extremely low (ELBW), very low, or low when <1,000, <1,500, and <2,500 g, respectively, and by birth weight for gestational age as appropriate (AGA, weight in the 10-90th percentile), small (SGA, weight <10th percentile), and large (LGA, weight >90th percentile) for gestational age. FGIDs were classified according to the Rome III criteria and assessed at 1, 3, 6, and 12 months of life. Results: Among 1,152 newborns enrolled, 934 (81.1%) completed the study: 302 (32.3%) were preterm, 35 (3.7%) were ELBW, 104 (11.1%) were SGA, 782 (83.7%) were AGA, and 48 (5.1%) were LGA infants. Overall, throughout the first year of life, 718 (76.9%) reported at least one FGID. The proportion of infants presenting with at least one FGID was significantly higher in ELBW (97%) compared to LBW (74%) (p=0.01) and in LGA (85.4%) and SGA (85.6%) compared to AGA (75.2%) (p=0.0001). On multivariate analysis, SGA was significantly associated with infantile colic. Conclusion: We observed an increased risk of FGIDs in ELBW, SGA, and LGA neonates. Our results suggest that prenatal factors determining birth weight may influence the development of FGIDs in infants. Understanding the role of all potential risk factors may provide new insights and targeted approaches for FGIDs.