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13篇 您的检索式:作者名="Vignolini"
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1Scalable and controlled self-assembly of aluminum-based random plasmonic metasurfaces显示文摘Subwavelength metal-dielectric plasmonic metasurfaces enable light management beyond the diffraction limit.However,a costeffective and reliable fabrication method for such structures remains a major challenge hindering their full exploitation.Here,we propose a simple yet powerful manufacturing route for plasmonic metasurfaces based on a bottom-up approach.The fabricated metasurfaces consist of a dense distribution of randomly oriented nanoscale scatterers composed of aluminum(Al)nanohole-disk pairs,which exhibit angle-independent scattering that is tunable across the entire visible spectrum.The macroscopic response of the metasurfaces is controlled via the properties of an isolated Al nanohole-disk pair at the nanoscale.In addition,the optical field confinement at the scatterers and their random distribution of sizes result in a strongly enhanced Raman signal that enables broadly tunable excitation using a single substrate.This unique combination of a reliable and lithography-free methodology with the use of aluminum permits the exploitation of the full potential of random plasmonic metasurfaces for diagnostics and coloration.Radwanul Hasan Siddique Jan Mertens Hendrik Hölscher Silvia Vignolini 2017Light(Science & Applications)2017,6,1:5
2Simple extraction and rapid quantitative analysis of isoflavones in soybean seads 显示文摘Heimler D Vignolini P Galardi C 2004Chromatographia2004,59,:1
3Simple extraction and rapid quantitative analysis of lsoflavones in soybean seeds 显示文摘Heimler D Vignolini P Galardi C 2004Chroma- tographia2004,59,:1
4Treatment of rats with Dexamethasone or Thyroxine reverses zinc deficiency-induced intestinal damage显示文摘Nobili F Vignolini F Figus E 1997J Nutr1997,127,:1
5A 3D optical metamaterial made by self-assembly显示文摘Silvia Vignolini Nataliya A Yufa Pedro S Cunha 2012Adv Ma- ter2012,24,10:1
6HPLC/DAD/MS and antioxidant activity of isoflavone-based food supplements显示文摘Romani A Vignolini P Tanini A 2010Natural Product Communications2010,5,11:1
7Contemporary techniques and outcomes of surgery for locally advanced renal cell carcinoma with focus on inferior vena cava thrombectomy:The value of a multidisciplinary team显示文摘Objective:To report the outcomes of surgery for a contemporary series of patients with locally advanced non-metastatic renal cell carcinoma(RCC)treated at a referral academic centre,focusing on technical nuances and on the value of a multidisciplinary team.Methods:We queried our prospective institutional database to identify patients undergoing surgical treatment for locally advanced(cT3-T4 N0-1 M0)renal masses suspected of RCC at our centre between January 2017 and December 2020.Results:Overall,32 patients were included in the analytic cohort.Of these,12(37.5%)tumours were staged as cT3a,8(25.0%)as cT3b,5(15.6%)as cT3c,and 7(21.9%)as cT4;6(18.8%)patients had preoperative evidence of lymph node involvement.Nine(28.1%)patients underwent nephron-sparing surgery while 23(71.9%)received radical nephrectomy.A template-based lymphadenectomy was performed in 12 cases,with evidence of disease in 3(25.0%)at definitive histopathological analysis.Four cases of RCC with level IV inferior vena cava thrombosis were successfully treated using liver transplant techniques without the need for extracorporeal circulation.While intraoperative complications were recorded in 3(9.4%)patients,no postoperative major complications(Clavien-Dindo3)were observed.At histopathological analysis,2(6.2%)patients who underwent partial nephrectomy harboured oncocytoma,while the most common malignant histotype was clear cell RCC(62.5%),with a median Leibovich score of 6(interquartile range 5e7).Conclusion:Locally advanced RCC is a complex and heterogenous disease posing several challenges to surgical teams.Our experience confirms that provided careful patient selection,surgery in experienced hands can achieve favourable perioperative,oncological,and functional outcomes.Riccardo Campi Paolo Barzaghi Alessio Pecoraro Maria Lucia Gallo Damiano Stracci Alberto Mariotti Saverio Giancane Simone Agostini Vincenzo Li Marzi Arcangelo Sebastianelli Pietro Spatafora Mauro Gacci Graziano Vignolini Francesco Sessa Paolo Muiesan Sergio Serni 2022Asian Journal of Urology2022,9,3:1
8Polyphenol content and antiradical activity of Cichorium intybus L. from biodynamic and conventional farming显示文摘Daniela Heimler Laura Isolani Pamela Vignolini Annalisa Romani 2008Food Chemistry2008,,3:1
9Simple extraction and rapid quantitative analysis of isoflavones in soybean seads 显示文摘HEIMLER D VIGNOLINI P GALARDI C 2004Chromatographia2004,59,:1
10Structural Color and Iridescence in Transparent Sheared Cellulosic Films 显示文摘Fernandes S N Geng Y Vignolini S 2013Macromolecular Chemistry and Physics2013,214,1:1
11Pointillist Structural Color in Pollia Fruit 显示文摘Vignolini S Rudall P J Rowland A V 2012Proceedings of the National Academy of Sciences of the United States of America2012,109,15:1
12Robot-assisted kidney transplantation:Is it getting ready for prime time?显示文摘Kidney transplantation(KT)is the treatment of choice for patients with end-stage renal disease,providing a better survival rate and quality of life compared to dialysis.Despite the progress in the medical management of KT patients,from a purely surgical standpoint,KT has resisted innovations during the last 50 years.Recently,robot-assisted KT(RAKT)has been proposed as an alternative approach to open surgery,especially due to its potential benefits for fragile and immunocompromised recipients.It was not until 2014 that the role of RAKT has found value thanks to the pioneering Vattikuti Urology Institute-Medanta collaboration that conceptualized and developed a new surgical technique for RAKT following the Idea,Development,Exploration,Assessment,Long-term follow-up recommendations for introducing surgical innovations into real-life practice.During the last years,mirroring the Vattikuti-Medanta technique,several centers developed RAKT program worldwide,providing strong evidence about the safety and the feasibility of this procedure.However,the majority of RAKT are still performed in the living donor setting,as an“eligible”procedure,while only a few centers have realized KT through a robotic approach in the challenging scenario of cadaver donation.In addition,despite the spread of minimally-invasive(predominantly robotic)surgery worldwide,many KTs are still performed in an open fashion.Regardless of the type of incision employed by surgeons,open KT may lead to nonnegligible risks of wound complications,especially among obese patients.Particularly,the assessment for KT should consider not only the added surgical technical challenges but also the higher risk of postoperative complications.In this context,robotic surgery could offer several benefits,including providing a better exposure of the surgical field and better instrument maneuverability,as well as the possibility to integrate other technological nuances,such as the use of intraoperative fluorescence vascular imaging with indocyanine green to assess the ureteral vascularization before the uretero-vesical anastomosis.Therefore,our review aims to report the more significant experiences regarding RAKT,focusing on the results and future perspectives.Vincenzo Li Marzi Alessio Pecoraro Maria Lucia Gallo Leonardo Caroti Adriano Peris Graziano Vignolini Sergio Serni Riccardo Campi 2022World Journal of Transplantation2022,12,7:0
13Carotenoids,Polyphenols and Antioxidant Activity Evaluation in Stone-Grinded Wheat Semolina显示文摘The functional quality of stone grinded grain semolina,also related to the presence of secondary antioxidant metabolites,was evaluated by HPLC/DAD(high performance liquid chromatography/diode array detection)analysis and by in vitro spectrophotometric techniques.The total polyphenol content was determined with the Folin-Ciocalteau spectrophotometric method,while carotenoid content evaluation was performed by HPLC/DAD chromatographic analysis:the presence of lutein as the main compound ranging between 75 and 78.5%of total carotenoids was pointed out.The chromatographic analyses identified the presence of an indolacetic acid derivative whose content changed between 0.097 and 0.108 mg/g.Pamela Vignolini Silvia Urciuoli Daniela Heimler Annalisa Romani 2018Journal of Health Science2018,6,6:0
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