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https://www.readbyqxmd.com/read/28729532/doping-porous-silicon-with-erbium-pores-filling-as-a-method-to-limit-the-er-clustering-effects-and-increasing-its-light-emission
#1
Guido Mula, Tony Printemps, Christophe Licitra, Elisa Sogne, Francesco D'Acapito, Narciso Gambacorti, Nicola Sestu, Michele Saba, Elisa Pinna, Daniele Chiriu, Pier Carlo Ricci, Alberto Casu, Francesco Quochi, Andrea Mura, Giovanni Bongiovanni, Andrea Falqui
Er clustering plays a major role in hindering sufficient optical gain in Er-doped Si materials. For porous Si, the long-standing failure to govern the clustering has been attributed to insufficient knowledge of the several, concomitant and complex processes occurring during the electrochemical Er-doping. We propose here an alternative road to solve the issue: instead of looking for an equilibrium between Er content and light emission using 1-2% Er, we propose to significantly increase the electrochemical doping level to reach the filling the porous silicon pores with luminescent Er-rich material...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724422/assessment-of-eating-disorders-with-the-diabetes-eating-problems-survey-revised-deps-r-in-a-representative-sample-of-insulin-treated-diabetic-patients-a-validation-study-in-italy
#2
Federica Pinna, Enrica Diana, Lucia Sanna, Valeria Deiana, Mirko Manchia, Eraldo Nicotra, Andrea Fiorillo, Umberto Albert, Alessandra Nivoli, Umberto Volpe, Anna Rita Atti, Silvia Ferrari, Federica Medda, Maria Gloria Atzeni, Daniela Manca, Elisa Mascia, Fernando Farci, Mariangela Ghiani, Rossella Cau, Marta Tuveri, Efisio Cossu, Elena Loy, Alessandra Mereu, Stefano Mariotti, Bernardo Carpiniello
BACKGROUND: The purpose of the study was to evaluate in a sample of insulin-treated diabetic patients, with type 1 or type 2 diabetes, the psychometric characteristics of the Italian version of the DEPS-R scale, a diabetes-specific self-report questionnaire used to analyze disordered eating behaviors. METHODS: The study was performed on 211 consecutive insulin-treated diabetic patients attending two specialist centers. Lifetime prevalence of eating disorders (EDs) according to DSM-IV and DSM-5 criteria were assessed by means of the Module H of the Structured Clinical Interview for DSM IV Axis I Disorder and the Module H modified, according to DSM-5 criteria...
July 19, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28722128/solar-insolation-in-springtime-influences-age-of-onset-of-bipolar-i-disorder
#3
M Bauer, T Glenn, M Alda, M A Aleksandrovich, O A Andreassen, E Angelopoulos, R Ardau, Y Ayhan, C Baethge, S R Bharathram, R Bauer, B T Baune, C Becerra-Palars, F Bellivier, R H Belmaker, M Berk, Y Bersudsky, Ş Bicakci, H Birabwa-Oketcho, T D Bjella, L Bossini, J Cabrera, E Y W Cheung, M Del Zompo, S Dodd, M Donix, B Etain, A Fagiolini, K N Fountoulakis, M A Frye, A Gonzalez-Pinto, J F Gottlieb, P Grof, H Harima, C Henry, E T Isometsä, S Janno, F Kapczinski, M Kardell, S Khaldi, S Kliwicki, B König, T L Kot, R Krogh, M Kunz, B Lafer, M Landén, E R Larsen, U Lewitzka, R W Licht, C Lopez-Jaramillo, G MacQueen, M Manchia, W Marsh, M Martinez-Cengotitabengoa, I Melle, F Meza-Urzúa, M Yee Ming, S Monteith, G Morken, E Mosca, R Munoz, S V Mythri, F Nacef, R K Nadella, F G Nery, R E Nielsen, C O'Donovan, A Omrani, Y Osher, H Østermark Sørensen, U Ouali, Y Pica Ruiz, M Pilhatsch, M Pinna, F D R da Ponte, D Quiroz, R Ramesar, N Rasgon, M S Reddy, A Reif, P Ritter, J K Rybakowski, K Sagduyu, Â M Scippa, E Severus, C Simhandl, D J Stein, S Strejilevich, M Subramaniam, A H Sulaiman, K Suominen, H Tagata, Y Tatebayashi, L Tondo, C Torrent, A E Vaaler, J Veeh, E Vieta, B Viswanath, M Yoldi-Negrete, M Zetin, Y Zgueb, P C Whybrow
OBJECTIVE: To confirm prior findings that the larger the maximum monthly increase in solar insolation in springtime, the younger the age of onset of bipolar disorder. METHOD: Data were collected from 5536 patients at 50 sites in 32 countries on six continents. Onset occurred at 456 locations in 57 countries. Variables included solar insolation, birth-cohort, family history, polarity of first episode and country physician density. RESULTS: There was a significant, inverse association between the maximum monthly increase in solar insolation at the onset location, and the age of onset...
July 19, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28718994/hemifacial-microsomia-in-a-cat
#4
R B Song, M Kent, E N Glass, G J Davis, F A Castro, A de Lahunta
A 7-month-old domestic medium hair cat presented with facial asymmetry affecting the bony and soft tissue structures of the right side of the head including the maxilla, nose, eye and pinna of the ear. Additionally, neurological dysfunction of the facial and vestibulocochlear nerves on the affected side was present. A congenital malformation affecting the first and second embryologic pharyngeal arches was suspected. This is the first case of hemifacial microsomia of likely congenital origin reported in a cat...
July 18, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28704491/phyto-toponyms-of-arbutus-unedo-l-and-their-distribution-in-sardinia-italy
#5
Claudia Pinna, Luisa Carta, Vitale Deiana, Ignazio Camarda
The study shows the results of an inventory of place names connected to Arbutus unedo L., a Mediterranean species, widespread throughout Sardinia. The main aim was to compare the past distribution of place names, referring to the strawberry tree, to the current distribution of the species on the island. In addition, we investigated the meaning and the diversity of these local place names in the various communities. The result was a collection of 432 phyto-toponyms. 248 of them were used for an analysis of their distribution in the habitats, indicated on the Map of the Nature System in Sardinia, defined on the basis of the current vegetation typology...
2017: PloS One
https://www.readbyqxmd.com/read/28700701/development-and-validation-of-the-maugeri-sleep-quality-and-distress-inventory-masqudi-17
#6
Elisa Morrone, Cinzia Sguazzin, Giorgio Bertolotti, Andrea Giordano, Alberto Braghiroli, Gian Luigi Balestroni, Raffaele Manni, Luigi Ferini Strambi, Vincenza Castronovo, Marco Zucconi, Fabrizio De Carli, Eleonora Pinna, Marcella Ottonello, Ines Giorgi, Michele Terzaghi, Sara Marelli, Francesco Fanfulla
OBJECTIVES: The aim of this study was to develop and validate a questionnaire designed to measure the impact of sleep impairment on emotional distress in patients with various sleep disorders. METHODS: Five experts created an item data-bank pertaining to sleep-related psychological symptoms and somatic perceptions. Fifty patients in two focus groups examined each item for: a) word clarity (indicating any ambiguity of interpretation) and b) appropriateness for the target population...
2017: PloS One
https://www.readbyqxmd.com/read/28692071/-charges-and-convictions-of-psychiatrists-for-the-violent-behavior-of-the-patient-psychiatric-forensic-remarks
#7
Giancarlo Nivoli, Liliana Lorettu, Bernardo Carpiniello, Paolo Milia, Federica Pinna, Andrea Lepretti, Cristiano Depalmas, Alessandra M A Nivoli
Purpose of the present study is to point-out a number of psychiatric-forensic remarks about the management of violent behavior against the person (VBP) amongst psychiatric patients. The study is the authors' personal contribution based on clinical and forensic experience as experts in the management of psychiatric patients with VBP. Twelve psychiatric-forensic remarks have been highlighted in the present study: 1) VBP is a multifactorial event; 2) the risk of VBP against the person may change rapidly over time in quantity and quality; 3) there are no methods for reliable prediction of VBP in a single clinical-case; 4) there are no medications with an indication of "heal" the VBP; 5) there are no therapeutic measures that neutralize always, quickly and without recurrences VBP; 6) there exist clinical hypotheses to assess VBP; 7) there exist principles of victimology to assess VBP; 8) there are emotional reactions that can affect the evaluation and clinical and forensic management of VBP; 9) the responsibility of the psychiatrist has to be evaluated at the moment of the events; 10) the responsibility of the psychiatrist must be contextualized in the single clinical-case; 11) there is the need to clarify the individual professional responsibility of psychiatrists who treated a patient; 12) there is the need to clarify the criteria for the definition of the guarantee role...
May 2017: Rivista di Psichiatria
https://www.readbyqxmd.com/read/28685087/heterogeneity-in-the-colorectal-primary-tumor-and-the-synchronous-resected-liver-metastases-prior-to-and-after-treatment-with-an-anti-egfr-monoclonal-antibody
#8
Daniela Adua, Francesca Di Fabio, Giorgio Ercolani, Michelangelo Fiorentino, Elisa Gruppioni, Annalisa Altimari, Fabiola Lorena Rojas Limpe, Nicola Normanno, Antonio Daniele Pinna, Carmine Pinto
Molecular heterogeneity between primary tumors (PTs) and synchronous resected liver metastasis in colorectal cancer (CRC) has potential relevance in treatment strategies. Next-generation sequencing (NGS) may be able to increase the chances of identifying multiple molecular driver alterations, calling for therapy. The aim of the present study was to evaluate mutations in PT and synchronous resected liver metastases for patients with Kirsten rat sarcoma 2 viral oncogene homolog (KRAS) exon 2 wild-type metastatic (m)CRC who underwent chemotherapy (CT) featuring an anti-epidermal growth factor receptor (EGFR) monoclonal antibody...
July 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28681343/detectable-cerebrospinal-fluid-jcv-dna-in-late-presenting-hiv-positive-patients-beyond-progressive-multifocal-leukoencephalopathy
#9
S Mornese Pinna, E Scarvaglieri, M G Milia, D Imperiale, V Ghisetti, S Audagnotto, A Prochet, F Lipani, S Bonora, G Di Perri, A Calcagno
In the absence of effective prophylaxis and treatment, therapeutic options in HIV-positive patients with progressive multifocal leukoencephalopathy (PML) are limited to antiretroviral therapy: nevertheless, outcome is poor. We conducted a retrospective study (2009-2015) describing the outcome of 25 HIV-positive patients with detectable cerebrospinal fluid JC virus DNA: 14 had a probable PML while the others had evidence of other inflammatory central nervous system (CNS) affecting disorders. In the former group, 6-month mortality was 45...
July 5, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28675787/novel-pyrrolocycloalkylpyrazole-analogues-as-cb1-ligands
#10
Battistina Asproni, Ilaria Manca, Giansalvo Pinna, Elena Cichero, Paola Fossa, Gabriele Murineddu, Paolo Lazzari, Giovanni Loriga, Gérard A Pinna
Novel 1,4-dihydropyrazolo[3,4-a]pyrrolizine-, 4,5-dihydro-1H-pyrazolo[4,3-g]indolizine- and 1,4,5,6-tetrahydropyrazolo[3,4-c]pyrrolo[1,2-a]azepine-3-carboxamide based compounds were designed and synthesized for cannabinoid CB1 and CB2 receptor interaction. Any of the new synthesized compounds showed high affinity for CB2 receptor with Ki values superior to 314 nM, whereas some of them showed moderate affinity for CB1 receptor with Ki values inferior to 400 nM. 7-Chloro-1-(2,4-dichlorophenyl)-N-(homopiperidin-1-yl)-4,5-dihydro-1H-pyrazolo[4,3-g]indolizine-3-carboxamide (2j) exhibited good affinity for CB1 receptor (Ki CB1 = 81 nM) and the highest CB2 /CB1 selectively ratio (>12)...
July 4, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28669119/mri-volumetric-morphometry-in-vascular-parkinsonism
#11
Vincent Dunet, Jeremy Deverdun, Celine Charroud, Emmanuelle Le Bars, Francois Molino, Sophie Menjot de Champfleur, Florence Maury, Mahmoud Charif, Xavier Ayrignac, Pierre Labauge, Giovanni Castelnovo, Frederic Pinna, Alain Bonafe, Christian Geny, Nicolas Menjot de Champfleur
Vascular parkinsonism is a difficult clinical differential diagnosis in elderly subjects. We aimed at identifying morphometric markers in the brain of elderly patients with vascular parkinsonism (VP) compared with age-matched patients with Parkinson's disease (PD) and healthy controls. In this multicenter prospective study, 46 patients (80 ± 5 years old; male 32) with parkinsonism (32 PD and 14 VP) and 29 controls (mean age 78 ± 3 years; male 21) underwent brain MRI on a 3-T scanner including T1 MPRAGE and FLAIR sequences...
July 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28668736/toward-an-accurate-quantification-in-atom-probe-tomography-reconstruction-by-correlative-electron-tomography-approach-on-nanoporous-materials
#12
Isabelle Mouton, Tony Printemps, Adeline Grenier, Narciso Gambacorti, Elisa Pinna, Mariavitalia Tiddia, Annalisa Vacca, Guido Mula
In this contribution, we propose a protocol for analysis and accurate reconstruction of nanoporous materials by atom probe tomography (APT). The existence of several holes in porous materials makes both the direct APT analysis and reconstruction almost inaccessible. In the past, a solution has been proposed by filling pores with electron beam-induced deposition. Here, we present an alternative solution using an electro-chemical method allowing to fill even small and dense pores, making APT analysis possible...
June 12, 2017: Ultramicroscopy
https://www.readbyqxmd.com/read/28653161/the-post-sir-spheres-surgery-study-p4s-retrospective-analysis-of-safety-following-hepatic-resection-or-transplantation-in-patients-previously-treated-with-selective-internal-radiation-therapy-with-yttrium-90-resin-microspheres
#13
Fernando Pardo, Bruno Sangro, Rheun-Chuan Lee, Derek Manas, Rohan Jeyarajah, Vincent Donckier, Geert Maleux, Antonio D Pinna, Lourens Bester, David L Morris, David Iannitti, Pierce K Chow, Richard Stubbs, Paul J Gow, Gianluca Masi, Kevin T Fisher, Wan Y Lau, Konstantinos Kouladouros, Georgios Katsanos, Giorgio Ercolani, Fernando Rotellar, José I Bilbao, Michael Schoen
BACKGROUND: Reports show that selective internal radiation therapy (SIRT) may downsize inoperable liver tumors to resection or transplantation, or enable a bridge-to-transplant. A small-cohort study found that long-term survival in patients undergoing resection following SIRT appears possible but no robust studies on postsurgical safety outcomes exist. The Post-SIR-Spheres Surgery Study was an international, multicenter, retrospective study to assess safety outcomes of liver resection or transplantation following SIRT with yttrium-90 (Y-90) resin microspheres (SIR-Spheres(®); Sirtex)...
June 26, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28650108/a-matched-pair-analysis-of-multicenter-long-term-follow-up-after-split-liver-transplantation-with-extended-right-grafts
#14
M W Ross, M Cescon, R Angelico, E Andorno, G Rossi, A Pinna, L De Carlis, U Baccarani, U Cillo, M Colledan, V Mazzaferro, G Tisone, M Rossi, F Tuzzolino, D Pagano, S Gruttadauria, G Mazariegos, B Gridelli, M Spada
Split liver transplantation has been proposed as an alternative to whole liver transplantation to expand the donor pool, but studies comparing adult long-term outcomes between the two methods are conflicting and limited. This is the first Italian multicenter study that retrospectively analyzed 119 matched-pair recipients of whole and extended right grafts for long-term survival outcomes. In the overall population, whole liver recipients showed higher patient survival at one- (93% vs. 73%), five- (87% vs. 65%) and ten-year (83% vs...
June 26, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28640530/how-does-age-affect-the-outcome-of-kidney-transplantation-in-elderly-recipients
#15
Flavia Neri, Lucrezia Furian, Francesco Cavallin, Matteo Ravaioli, Cristina Silvestre, Paola Donato, Gaetano La Manna, Antonio Daniele Pinna, Paolo Rigotti
The aging of the on-dialysis population raises the issue of whether to propose elderly patients for kidney transplantation and how to manage their immunosuppression. This study aims to analyze the outcome of kidney transplantation on an Italian series of elderly recipients. We included in this retrospective study all patients over 60 years, receiving a deceased-donor kidney transplantation from January 2004 to December 2014 in two north Italian Centers. We analyzed the correlation of recipient age with graft's and patient's survival, delayed graft function (DGF), acute cellular rejection (ACR), surgical complications, infections and glomerular filtration rate (GFR)...
June 22, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28632205/speckle-modulating-optical-coherence-tomography-in-living-mice-and-humans
#16
Orly Liba, Matthew D Lew, Elliott D SoRelle, Rebecca Dutta, Debasish Sen, Darius M Moshfeghi, Steven Chu, Adam de la Zerda
Optical coherence tomography (OCT) is a powerful biomedical imaging technology that relies on the coherent detection of backscattered light to image tissue morphology in vivo. As a consequence, OCT is susceptible to coherent noise (speckle noise), which imposes significant limitations on its diagnostic capabilities. Here we show speckle-modulating OCT (SM-OCT), a method based purely on light manipulation that virtually eliminates speckle noise originating from a sample. SM-OCT accomplishes this by creating and averaging an unlimited number of scans with uncorrelated speckle patterns without compromising spatial resolution...
June 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28611376/allopregnanolone-mediates-the-exacerbation-of-tourette-like-responses-by-acute-stress-in-mouse-models
#17
Laura J Mosher, Sean C Godar, Marianela Nelson, Stephen C Fowler, Graziano Pinna, Marco Bortolato
Tourette syndrome (TS) is a neuropsychiatric disorder characterized by multiple tics and sensorimotor abnormalities, the severity of which is typically increased by stress. The neurobiological underpinnings of this exacerbation, however, remain elusive. We recently reported that spatial confinement (SC), a moderate environmental stressor, increases tic-like responses and elicits TS-like sensorimotor gating deficits in the D1CT-7 mouse, one of the best-validated models of TS. Here, we hypothesized that these adverse effects may be mediated by neurosteroids, given their well-documented role in stress-response orchestration...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28608193/do-alternating-color-words-facilitate-reading-aloud-text-in-chinese-evidence-with-developing-and-adult-readers
#18
Manuel Perea, Xiaoyun Wang
Prior research has shown that colors induce perceptual grouping and, hence, colors can be used as word dividers during reading (Pinna & Deiana, 2014). This issue is particularly important for those writing systems that do not employ interword spaces (e.g., Chinese). The rationale is that alternating colors across words in these scripts may facilitate the process of word identification without altering the spatial distribution of text. Here, we tested whether color alternation across words produces a benefit in a reading-aloud task in native speakers of Chinese...
June 12, 2017: Memory & Cognition
https://www.readbyqxmd.com/read/28604275/the-italian-version-of-the-borderline-personality-disorder-severity-index-iv-psychometric-properties-clinical-usefulness-and-possible-diagnostic-implications
#19
Ester di Giacomo, Arnoud Arntz, Maria Fotiadou, Eugenio Aguglia, Lavinia Barone, Silvio Bellino, Bernardo Carpiniello, Fabrizia Colmegna, Marina Lazzari, Liliana Lorettu, Federica Pinna, Aldo Sicaro, Maria Salvina Signorelli, Massimo Clerici
Borderline personality disorder (BPD) has a core embodied in affective and behavioral dysregulations, impulsivity, and relational disturbance. Clinical presentation might be heterogeneous due to a combination of different symptoms listed in the DSM-5. Clinical diagnosis and assessment of the severity of manifestations might be improved through the administration of structured interviews such as the Borderline Personality Disorder Severity Index, 4th edition (BPDSI-IV). The psychometric properties of the Italian version of the BPDSI-IV were examined for the first time in 248 patients affected by BPD and 113 patients affected by bipolar disorder, proving to be a valid and accurate instrument with good internal consistency and high accuracy...
June 12, 2017: Journal of Personality Disorders
https://www.readbyqxmd.com/read/28603101/pancreatic-head-excavation-for-tissue-diagnosis-may-reduce-unnecessary-pancreaticoduodenectomies-in-the-setting-of-chronic-pancreatitis
#20
Alessandro Fancellu, Giorgio C Ginesu, Claudio F Feo, Maria L Cossu, Marco Puledda, Antonio Pinna, Alberto Porcu
BACKGROUND: The necessity to obtain a tissue diagnosis of cancer prior to pancreatic surgery still remains an open debate. In fact, a non-negligible percentage of patients undergoing pancreaticoduodenectomy (PD) for suspected cancer has a benign lesion at final histology. We describe an approach for patients with diagnostic uncertainty between cancer and chronic pancreatitis, with the aim of minimizing the incidence of PD for suspicious malignancy finally diagnosed as benign disease. METHODS: Eighty-eight patients (85...
June 2017: Hepatobiliary & Pancreatic Diseases International: HBPD INT
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