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7T Magnetic Resonance Imaging Quantification of Brain Glutamate in Acute Ischaemic Stroke
John-Paul Nicolo,Bradford Moffat,David K. Wright,Benjamin Sinclair,Andrew Neal,Elaine Lui,Patricia Desmond,Rebecca Glarin,Kathryn A. Davis,Ravinder Reddy,Bernard Yan,Terence J. O’Brien,Patrick Kwan 대한뇌졸중학회 2021 Journal of stroke Vol.23 No.2
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EXISTENCE OF THREE SOLUTIONS FOR A MIXED BOUNDARY VALUE PROBLEM WITH THE STURM-LIOUVILLE EQUATION
Diego Averna,Nicolo Giovannelli,Elisabetta Tornatore 대한수학회 2012 대한수학회보 Vol.49 No.6
The aim of this paper is to establish the existence of three solutions for a Sturm-Liouville mixed boundary value problem. The approach is based on multiple critical points theorems.
EXISTENCE OF THREE SOLUTIONS FOR A MIXED BOUNDARY VALUE PROBLEM WITH THE STURM-LIOUVILLE EQUATION
Averna, Diego,Giovannelli, Nicolo,Tornatore, Elisabetta Korean Mathematical Society 2012 대한수학회보 Vol.49 No.6
The aim of this paper is to establish the existence of three solutions for a Sturm-Liouville mixed boundary value problem. The approach is based on multiple critical points theorems.
미세다공성 PVDF 분리막의 형성 중 열 유도 상전이 변수들의 영향
왕호현,정준태,김정,Emanuele di Nicolo,Enrico Drioli,이영무 한국막학회 2016 한국막학회 총회 및 학술발표회 Vol.2016 No.11
The thermally induced phase separation(TIPS) method offers higher reproducibility with lower tendency for defect formation and narrower pore size distribution, rendering the method more suitable for microfiltration(MF) and ultrafiltration(UF) applications. PVDF is widely used in membrane technology due to their excellent chemical resistance and strong mechanical properties. In case of MF and UF applications, the stretching method has been applied for increasing the performance of membrane by extending pore size. In this work, the effects of dope and bore flow rates and dope composition on the tensile strength of membranes was investigated. A design of experiment(DOE) analysis was used to understand the effects of the stretching parameters such as temperature, stretching ratio and holding time on the membrane performance.
열 유도 상전이와 비 용매 상전이 현상을 이용한 막 형태의 조절
정준태,김정,왕호현,Emanuele di Nicolo,Enrico Drioli,이영무 한국막학회 2016 한국막학회 총회 및 학술발표회 Vol.2016 No.11
Since Loeb and Sourirajan has introduced phase inversion method for membrane fabrication, the phase separation technique became the mainstream of membrane fabrication methods. Phase inversion includes solvent evaporation, vapor induced phase separation, thermally induced phase separation (TIPS) and nonsolvent induced phase separation (NIPS). Among those, NIPS and TIPS process is widely studied and employed for membrane fabrication. Depending on the membrane fabrication processes such as NIPS and TIPS, corresponding morphology differs from macrovoid structure to spherulitic structure, respectively. In this presentation, comparison of NIPS and TIPS effect on the final membrane morphology and controlling the membrane morphology by tuning the NIPS and TIPS effect will be presented.
Francetti, Luca,Rodolfi, Andrea,Barbaro, Bruno,Taschieri, Silvio,Cavalli, Nicolo,Corbella, Stefano Korean Academy of Periodontology 2015 Journal of Periodontal & Implant Science Vol.45 No.6
Purpose: The aim of this retrospective study was to investigate the cumulative success rate, the implant survival rate, and the occurrence of biological complications in implants supporting full-arch immediately loaded rehabilitations supported by upright and tilted implants. Methods: The clinical records and periapical radiographs of patients who attended follow-up visits were collected, and information was recorded regarding marginal bone loss resorption, the occurrence of peri-implant infectious diseases, and the implant survival rate. Implants were classified as successful or not successful according to two distinct classifications for implant success. Results: A total of 53 maxillary and mandibular restorations including 212 implants were analysed, of which 56 implants were studied over the full five-year follow-up period. After five years, the cumulative success rate was 76.04% according to the Misch classification and 56.34% according to the Albrektsson classification. The cumulative implant survival rate was 100%, although one implant was found to be affected by peri-implantitis at the second follow-up visit. Conclusions: The cumulative success rate of the implants dropped over time, corresponding to the progression of marginal bone resorption. The prevalence of peri-implantitis was very low, and the implant survival rate was not found to be related to the cumulative success rate.
Jung, J.T.,Kim, J.F.,Wang, H.H.,di Nicolo, E.,Drioli, E.,Lee, Y.M. Elsevier Scientific Pub. Co 2016 Journal of membrane science Vol.514 No.-
The thermally induced phase separation (TIPS) method is regaining momentum as a competitive platform to fabricate highly porous microporous membranes. In membrane technology, there has been an active search for more sustainable ways to fabricate polymeric membranes using green solvents. Rhodiasolv PolarClean® is a recently identified environmentally friendly TIPS solvent that shows high potential for the preparation of microporous PVDF membranes. Interestingly, its high miscibility with water induces a nonsolvent-induced phase separation (NIPS) effect on the membrane surface and this simultaneous NIPS-TIPS effect is referred to as the combined NIPS-TIPS (N-TIPS) method. In this work, a thorough investigation was carried out to understand the underlying phenomena in the membrane formation kinetics during the N-TIPS process. It was found that the NIPS and TIPS morphology can be tailored to control the mechanical properties, pore size distribution, and flux of the prepared membranes. For instance, increasing the coagulation bath solvent concentration facilitated the formation of a spherulitic morphology, whereas increasing the bath temperature induced the formation of a bicontinuous morphology free of macrovoids. It was determined that by controlling the phase separation kinetics, the mechanical properties of the prepared PVDF membranes could be remarkably improved from 0.9MPa to 6.1MPa. Several pore-forming additives including polyvinylpyrrolidone, Pluronics F-127, LiCl, and glycerol were employed to induce surface pores and their effects were thoroughly characterized. The membranes prepared with Pluronic additives exhibited high water permeabilities up to 2800Lm<SUP>-2</SUP>h<SUP>-1</SUP>bar<SUP>-1</SUP> with narrow pore size distributions.
da Rocha, Daniel Maranha,Tribst, Joao Paulo Mendes,Ausiello, Pietro,Dal Piva, Amanda Maria de Oliveira,Rocha, Milena Cerqueira da,Di Nicolo, Rebeca,Borges, Alexandre Luiz Souto The Korean Academy of Conservative Dentistry 2019 Restorative Dentistry & Endodontics Vol.44 No.3
Objectives: To evaluate the influence of the restorative technique on the mechanical response of endodontically-treated upper premolars with mesio-occluso-distal (MOD) cavity. Materials and Methods: Forty-eight premolars received MOD preparation (4 groups, n = 12) with different restorative techniques: glass ionomer cement + composite resin (the GIC group), a metallic post + composite resin (the MP group), a fiberglass post + composite resin (the FGP group), or no endodontic treatment + restoration with composite resin (the CR group). Cusp strain and load-bearing capacity were evaluated. One-way analysis of variance and the Tukey test were used with ${\alpha}=5%$. Finite element analysis (FEA) was used to calculate displacement and tensile stress for the teeth and restorations. Results: MP showed the highest cusp (p = 0.027) deflection ($24.28{\pm}5.09{\mu}m/{\mu}m$), followed by FGP ($20.61{\pm}5.05{\mu}m/{\mu}m$), CR ($17.62{\pm}7.00{\mu}m/{\mu}m$), and GIC ($17.62{\pm}7.00{\mu}m/{\mu}m$). For load-bearing, CR ($38.89{\pm}3.24N$) showed the highest, followed by GIC ($37.51{\pm}6.69N$), FGP ($29.80{\pm}10.03N$), and MP ($18.41{\pm}4.15N$) (p = 0.001) value. FEA showed similar behavior in the restorations in all groups, while MP showed the highest stress concentration in the tooth and post. Conclusions: There is no mechanical advantage in using intraradicular posts for endodontically-treated premolars requiring MOD restoration. Filling the pulp chamber with GIC and restoring the tooth with only CR showed the most promising results for cusp deflection, failure load, and stress distribution.