keyword
https://read.qxmd.com/read/36431699/from-light-powered-motors-to-micro-grippers-to-crawling-caterpillars-snails-and-beyond-light-responsive-oriented-polymers-in-action
#1
REVIEW
Mikołaj Rogóż, Zofia Dziekan, Klaudia Dradrach, Michał Zmyślony, Paweł Nałęcz-Jawecki, Przemysław Grabowski, Bartosz Fabjanowicz, Magdalena Podgórska, Anna Kudzia, Piotr Wasylczyk
"How would you build a robot, the size of a bacteria, powered by light, that would swim towards the light source, escape from it, or could be controlled by means of different light colors, intensities or polarizations?" This was the question that Professor Diederik Wiersma asked PW on a sunny spring day in 2012, when they first met at LENS-the European Laboratory of Nonlinear Spectroscopy-in Sesto Fiorentino, just outside Florence in northern Italy. It was not just a vague question, as Prof. Wiersma, then the LENS director and leader of one of its research groups, already had an idea (and an ERC grant) about how to actually make such micro-robots, using a class of light-responsive oriented polymers, liquid crystal elastomers (LCEs), combined with the most advanced fabrication technique-two-photon 3D laser photolithography...
November 18, 2022: Materials
https://read.qxmd.com/read/34010511/dendritic-like-molecules-built-on-a-pillar-5-arene-core-as-hole-transporting-materials-for-perovskite-solar-cells
#2
JOURNAL ARTICLE
Ottavia Bettucci, Jorge Pascual, Silver-Hamill Turren-Cruz, Andrea Cabrera-Espinoza, Wakana Matsuda, Sebastian F Völker, Hans Köbler, Iwona Nierengarten, Gianna Reginato, Silvia Collavini, Shu Seki, Jean-François Nierengarten, Antonio Abate, Juan Luis Delgado
Invited for the cover of this issue are the groups of S. Seki (Kyoto), G. Reginato (Sesto Fiorentino), J.-F. Nierengarten (Strasbourg), A. Abate (Berlin) and J. L. Delgado (San Sebastian). The image depicts an artistic view of a dendrimer-like hole transporting material at work in a perovskite solar cell. Read the full text of the article at 10.1002/chem.202101110.
May 19, 2021: Chemistry: a European Journal
https://read.qxmd.com/read/33968561/labec-the-infn-ion-beam-laboratory-of-nuclear-techniques-for-environment-and-cultural-heritage
#3
JOURNAL ARTICLE
M Chiari, S Barone, A Bombini, G Calzolai, L Carraresi, L Castelli, C Czelusniak, M E Fedi, N Gelli, F Giambi, F Giardi, L Giuntini, S Lagomarsino, L Liccioli, F Lucarelli, M Manetti, M Massi, A Mazzinghi, S Nava, P Ottanelli, S Sciortino, C Ruberto, L Sodi, F Taccetti, P A Mandò
The LABEC laboratory, the INFN ion beam laboratory of nuclear techniques for environment and cultural heritage, located in the Scientific and Technological Campus of the University of Florence in Sesto Fiorentino, started its operational activities in 2004, after INFN decided in 2001 to provide our applied nuclear physics group with a large laboratory dedicated to applications of accelerator-related analytical techniques, based on a new 3 MV Tandetron accelerator. The new accelerator greatly improved the performance of existing Ion Beam Analysis (IBA) applications (for which we were using since the 1980s an old single-ended Van de Graaff accelerator) and in addition allowed to start a novel activity of Accelerator Mass Spectrometry (AMS), in particular for 14 C dating...
2021: European Physical Journal Plus
https://read.qxmd.com/read/31173160/-corrigendum-analysis-of-a-nanoparticle%C3%A2-enriched-fraction-of-plasma-reveals-mirna-candidates-for-down-syndrome-pathogenesis
#4
JOURNAL ARTICLE
Alessandro Salvi, Marika Vezzoli, Sara Busatto, Lucia Paolini, Teresa Faranda, Edoardo Abeni, Maria Caracausi, Francesca Antonaros, Allison Piovesan, Chiara Locatelli, Guido Cocchi, Gualtiero Alvisi, Giuseppina De Petro, Doris Ricotta, Paolo Bergese, Annalisa Radeghieri
After the publication of the above paper, the authors noted that the names of a couple of the authors listed on the paper were associated with the wrong affliation: Specifically, the eighth and ninth listed authors, Francesca Antonaros and Allison Piovesan, are located at DIMES at the University of Florence (fourth affiliation address), not at CSGI, the Research Center for Colloids and Nanoscience in Florence (third affliation address). Therefore, the author and affiliation details for this paper should have been presented as follows: ALESSANDRO SALVI1, MARIKA VEZZOLI2, SARA BUSATTO1, LUCIA PAOLINI1,3, TERESA FARANDA1, EDOARDO ABENI1, MARIA CARACAUSI4, FRANCESCA ANTONAROS4, ALLISON PIOVESAN4, CHIARA LOCATELLI5, GUIDO COCCHI5,6, GUALTIERO ALVISI7, GIUSEPPINA DE PETRO1, DORIS RICOTTA1, PAOLO BERGESE1,3 and ANNALISA RADEGHIERI1,3...
May 30, 2019: International Journal of Molecular Medicine
https://read.qxmd.com/read/28558821/comparative-evaluation-of-insertion-torque-and-mechanical-stability-for-self-tapping-and-self-drilling-orthodontic-miniscrews-an-in-vitro-study
#5
COMPARATIVE STUDY
Michele Tepedino, Francesco Masedu, Claudio Chimenti
BACKGROUND: The aim of the present study was to evaluate the relationship between insertion torque and stability of miniscrews in terms of resistance against dislocation, then comparing a self-tapping screw with a self-drilling one. METHODS: Insertion torque was measured during placement of 30 self-drilling and 31 self-tapping stainless steel miniscrews (Leone SpA, Sesto Fiorentino, Italy) in synthetic bone blocks. Then, an increasing pulling force was applied at an angle of 90° and 45°, and the displacement of the miniscrews was recorded...
May 30, 2017: Head & Face Medicine
https://read.qxmd.com/read/26038354/variations-in-health-related-quality-of-life-hrqol-and-survival-1-year-after-stroke-five-european-population-based-registers
#6
JOURNAL ARTICLE
Salma Ayis, Ian Wellwood, Anthony G Rudd, Christopher McKevitt, David Parkin, Charles D A Wolfe
OBJECTIVE: There were two main objectives: to describe and compare clinical outcomes and Patient-Reported Outcome Measures (PROMs) collected using standardised procedures across the European Registers of Stroke (EROS) at 3 and 12 months after stroke; and to examine the relationship between patients' Health-Related Quality of Life (HRQoL) at 3 months after stroke and survival up to 1 year across the 5 populations. DESIGN: Analysis of data from population-based stroke registers...
June 1, 2015: BMJ Open
https://read.qxmd.com/read/24135551/gender-differences-in-depression-and-anxiety-the-role-of-age
#7
JOURNAL ARTICLE
Carlo Faravelli, Maria Alessandra Scarpato, Giovanni Castellini, Carolina Lo Sauro
Although females run greater risk for affective disorders, the greater vulnerability of women for these disorders varies with the age. The present study evaluates the lifetime incidence of depressive and anxiety disorders by age and gender in a community sample (2363 subjects; 54.6% females), representative of the general population (Sesto Fiorentino Study). Lifetime prevalence of affective disorders resulted higher in females. The age-sex pattern for affective disorders was observed only before menopause.
December 30, 2013: Psychiatry Research
https://read.qxmd.com/read/23991281/traditional-elastic-ligatures-versus-slide-ligation-system-a-morphological-evaluation
#8
JOURNAL ARTICLE
R Condò, A Casaglia, E Armellin, S G Condò, L Cerroni
OBJECTIVE: Elastomeric materials play an important role in the orthodontic practice, including the retraction force to move teeth into extraction sites, closing diastemas, selective shifting of the midline and generalized space closure. Frictional resistance and ligating strength of archwire-bracket-ligature complex occurs during utilization of elastomeric and metallic ligatures when orthodontic forces are applicated. The aim of this study was to analyze elastic deformation of three types of elastomeric ligatures, after clinical use...
2013: Oral & Implantology
https://read.qxmd.com/read/22578985/generalized-anxiety-disorder-is-there-any-specific-symptom
#9
JOURNAL ARTICLE
Carlo Faravelli, Giovanni Castellini, Laura Benni, Andrea Brugnera, Monica Landi, Carolina Lo Sauro, Francesco Pietrini, Francesco Rotella, Valdo Ricca
OBJECTIVE: The main aim of the present research was to evaluate the coherence of generalized anxiety disorder (GAD) psychopathological pattern, the robustness of its diagnostic criteria, and the clinical utility of considering this disorder as a discrete condition rather than assigning it a dimensional value. METHOD: The study was designed in a purely naturalistic setting and carried out using a community sample; data from the Sesto Fiorentino Study were reanalyzed...
November 2012: Comprehensive Psychiatry
https://read.qxmd.com/read/22408646/are-psychiatric-diagnoses-an-obstacle-for-research-and-practice-reliability-validity-and-the-problem-of-psychiatric-diagnoses-the-case-of-gad
#10
JOURNAL ARTICLE
Carlo Faravelli, Giovanni Castellini, Monica Landi, Andrea Brugnera
The present article focused on the problem of validity, reliability and specificity of psychiatric diagnoses.The authors moved by the concept of syndrome, defined by Sydenham in the 18th century as a constellation of several interrelated symptoms, showing a stable, characteristic structure and a peculiar prognosis, in order to analyse the peculiarity of the current psychiatric nosology. In our opinion, the current nosographic system based on DSM-IV criteria, prevents psychiatry from benefiting of the significant technological progress that has led the rest of medical sciences to important clinical achievements in the last 20 years...
2012: Clinical Practice and Epidemiology in Mental Health: CP & EMH
https://read.qxmd.com/read/21148118/three-month-stroke-outcome-the-european-registers-of-stroke-eros-investigators
#11
MULTICENTER STUDY
P U Heuschmann, S Wiedmann, I Wellwood, A Rudd, A Di Carlo, Y Bejot, D Ryglewicz, D Rastenyte, C D A Wolfe
BACKGROUND: Contemporaneous data on variations in outcome after first-ever-lifetime stroke between European populations are lacking. We compared differences in case fatality rates, functional outcome, and living conditions 3 months after stroke within the European Registers of Stroke Collaboration. METHODS: Population-based stroke registers were established in France (Dijon), Italy (Sesto Fiorentino), Lithuania (Kaunas), the United Kingdom (London), Spain (Menorca), and Poland (Warsaw)...
January 11, 2011: Neurology
https://read.qxmd.com/read/20655131/effect-of-blood-contamination-on-shear-bond-strength-of-orthodontic-brackets-and-disinclusion-buttons
#12
COMPARATIVE STUDY
Maria Francesca Sfondrini, Sara Gatti, Andrea Scribante
Our aim was to assess the effect of blood contamination on the shear bonding strength and sites of failure of orthodontic brackets and bondable buttons. We randomly divided 160 bovine permanent mandibular incisors into 8 groups of 20 specimens each. Both orthodontic brackets (Step brackets, Leone, Sesto Fiorentino, Italy) and bondable buttons (Flat orthodontic buttons, Leone, Sesto Fiorentino, Italy) were tested on four different enamel surfaces: dry; contamination with blood before priming; after priming; and before and after priming...
July 2011: British Journal of Oral & Maxillofacial Surgery
https://read.qxmd.com/read/19325154/incidence-of-stroke-in-europe-at-the-beginning-of-the-21st-century
#13
JOURNAL ARTICLE
Peter U Heuschmann, Antonio Di Carlo, Yannick Bejot, Daiva Rastenyte, Danuta Ryglewicz, Cinzia Sarti, Mattias Torrent, Charles D A Wolfe
BACKGROUND AND PURPOSE: Comparable data on stroke incidence across European countries are lacking because previous studies have used different methods of case ascertainment, different periods of observation, and different age restrictions. METHODS: Population-based stroke registers were established in 6 European countries: France (Dijon); Italy (Sesto Fiorentino); Lithuania (Kaunas); the United Kingdom (London); Spain (Menorca); and Poland (Warsaw). Standardized criteria were used among these register including overlapping sources of notification...
May 2009: Stroke; a Journal of Cerebral Circulation
https://read.qxmd.com/read/18396188/agoraphobia-between-panic-and-phobias-clinical-epidemiology-from-the-sesto-fiorentino-study
#14
JOURNAL ARTICLE
Carlo Faravelli, Fiammetta Cosci, Francesco Rotella, Luca Faravelli, Mario Catena Dell'osso
In the last few decades, there has been a long debate on the existence of agoraphobia (AG) without a history of panic attacks (PAs). In the present study, the problem of the relationships between AG and PAs is addressed trough a reevaluation of the cases who had been diagnosed with AG in the community survey of Sesto Fiorentino. Forty-one of the 75 subjects who met the criterion of AG in the Sesto Fiorentino Study were reinterviewed by experienced clinical psychiatrists. The Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) and the Composite International Diagnostic Interview were used to make the diagnoses...
May 2008: Comprehensive Psychiatry
https://read.qxmd.com/read/17917472/epidemiology-of-life-events-life-events-and-psychiatric-disorders-in-the-sesto-fiorentino-study
#15
JOURNAL ARTICLE
Carlo Faravelli, Mario Catena, Alessandra Scarpato, Valdo Ricca
BACKGROUND: Although life events have been consistently reported as precipitating factors for most psychiatric disorders, there is no comprehensive investigation of the relationship between severe life events and psychiatric disorders in the general population. METHODS: This is a community-based study of psychiatric disorders among a cohort representative of adults in an Italian town. A total of 2,363 subjects out of 2,500 selected to be representative of the population living in Sesto Fiorentino, central Italy, were interviewed by their own general practitioner using the Mini International Neuropsychiatric Interview...
2007: Psychotherapy and Psychosomatics
https://read.qxmd.com/read/17561057/forces-released-by-esthetic-preadjusted-appliances-with-low-friction-and-conventional-elastomeric-ligatures
#16
COMPARATIVE STUDY
Matteo Camporesi, Tiziano Baccetti, Lorenzo Franchi
INTRODUCTION: In this in-vitro study, we compared the forces generated by 2 types of esthetic brackets (Aqua [Leone Orthodontic Products, Sesto Fiorentino, Florence, Italy] and Mystique [GAC International, Bohemia, NY]) in association with low-friction ligature systems (Slide [Leone Orthodontic Products] and Neo-Clips [GAC International], respectively) and by the same brackets combined with conventional elastomeric ligatures (CEL) during the leveling and aligning phases. METHODS: The testing model consisted of 5 esthetic ceramic 0...
June 2007: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/17053339/clinical-epidemiology-of-eating-disorders-results-from-the-sesto-fiorentino-study
#17
JOURNAL ARTICLE
C Faravelli, C Ravaldi, E Truglia, T Zucchi, F Cosci, V Ricca
BACKGROUND: It is speculated that clinical samples do not fully reflect the characteristics of eating disorders (EDs) as they are in the general population, especially in their lowest range of severity. The present article reports the prevalence of EDs in a community sample aged >14 years, their clinical and psychopathological features, and their course and outcome on naturalistic grounds. METHODS: The Sesto Fiorentino Study is a three-phase community-based survey where 2,355 out of 2,500 people representative of the population aged >14 years living in Sesto Fiorentino were evaluated by their own general practitioner using the Mini International Neuropsychiatric Interview plus six additional questions...
2006: Psychotherapy and Psychosomatics
https://read.qxmd.com/read/16701902/threshold-and-subthreshold-bipolar-disorders-in-the-sesto-fiorentino-study
#18
JOURNAL ARTICLE
Carlo Faravelli, Simone Rosi, Maria Alessandra Scarpato, Lorenzo Lampronti, Silvia Gorini Amedei, Nusrat Rana
BACKGROUND: The DSM IV lifetime prevalence for bipolar affective disorders is reported to be between 0.4% and 1% in most surveys. DSM IV, however, fails to identify the cases clinically significant described as bipolar spectrum. The few researches that have attempted to evaluate the prevalence of these disorders in the community report lifetime prevalence figures of 5% to 10% for the whole spectrum. METHOD: The data from the Sesto Fiorentino Study, a community survey conducted by clinical interviewers using a typically clinical instrument, have been re-analysed...
August 2006: Journal of Affective Disorders
https://read.qxmd.com/read/16473721/effect-of-chlorhexidine-application-on-shear-bond-strength-of-brackets-bonded-with-a-resin-modified-glass-ionomer
#19
JOURNAL ARTICLE
Vittorio Cacciafesta, Maria Francesca Sfondrini, Paola Stifanelli, Andrea Scribante, Catherine Klersy
INTRODUCTION: The purpose of study was to assess the effect of chlorhexidine application on the shear bond strength and bond failure site of a resin-modified glass ionomer (Fuji Ortho LC, GC Europe, Leuven, Belgium). METHODS: Forty-five bovine permanent mandibular incisors were randomly divided into 3 groups of 15. Group 1 had no chlorhexidine treatment and served as the control; groups 2 and 3 had chlorhexidine application immediately before and 1 week before bonding, respectively...
February 2006: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/15184717/the-sesto-fiorentino-study-point-and-one-year-prevalences-of-psychiatric-disorders-in-an-italian-community-sample-using-clinical-interviewers
#20
JOURNAL ARTICLE
Carlo Faravelli, Luca Abrardi, Daniela Bartolozzi, Cristiana Cecchi, Fiammetta Cosci, Donato D'Adamo, Beatrice Lo Iacono, Claudia Ravaldi, Maria Alessandra Scarpato, Elisabetta Truglia, Paolo Maria Rossi Prodi, Simone Rosi
BACKGROUND: It has been argued that lay interviewers' use of fully-structured interviews could lead to a diagnostic pattern different to that by treating physicians. Clinical interviewers in community samples should probably identify cases that are closer to those seen in clinical settings. The greatest advantage of using clinical interviewers consists of the immediate assessment of a possible psychopathology, i.e. the evaluation of current disorders. METHODS: Two thousand three hundred and sixty-three citizens from the community of Sesto Fiorentino, Italy, were interviewed by their own general practitioners using the Mini International Neuropsychiatric Interview (MINI)...
July 2004: Psychotherapy and Psychosomatics
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