83,925 research outputs found
Dataset of mRNA levels for dopaminergic receptors, adrenoceptors and tyrosine hydroxylase in lymphocytes from subjects with clinically isolated syndromes
No full textThis data article presents a dataset of mRNA levels for dopaminergic receptors, adrenoceptors and for tyrosine hydoxylase, the rate-limiting enzyme in the synthesis of catecholamines, in peripheral blood mononuclear cells as well as in CD4+ T effector and regulatory cells from subjects with clinically isolated syndromes (CIS), which is a first episode of neurological disturbance(s) suggestive of multiple sclerosis. CIS subjects are divided into two groups according to their eventual progression, after 12 months from CIS, to clinically established multiple sclerosis. The data reported are related to the article entitled "Dopaminergic receptors and adrenoceptors in circulating lymphocytes as putative biomarkers for the early onset and progression of multiple sclerosis" (M. Cosentino, M. Zaffaroni, M. Legnaro, R. Bombelli, L. Schembri, D. Baroncini, A. Bianchi, R. Clerici, M. Guidotti, P. Banfi, G. Bono, F. Marino, 2016
From twists and shifts to L‐R asymmetric D‐branes
No full textIn the first part of the talk, we discuss non-geometric twists and shifts and briefly review asymmetric orbifolds and free fermion constructions. These allow us to build Type IIB models with N = 1(L) + 1(R) and N = 1(L) + 0(R) models having few or no moduli. We then consider unoriented projections of the former and ('exotic') D-branes in the latter.In the second part, devoted to L-R asymmetric D-branes, we review how extended supergravity vacua in D = 4 can be embedded in Type II superstrings. We then identify bound states of D-branes with residual susy and non-trivial R-R couplings. We discuss the N = 6 = 2(L) + 4(R) case in detail and sketch other extended susy cases. Finally we describe the resulting open string excitations.We conclude with some speculations and possible interesting developments
Influenza della PAC nell'evoluzione della meccanizzazione europea in Columba P; Crescimanno M; De Castro P, La politica agricola comunitaria e lo sviluppo della meccanizzazione agricola: un profilo storico-evolutivo
No full textIl lavoro è frutto della riflessione congiunta delle Autrici. Tuttavia, nella distinzione dei paragrafi, Bianchi R. è specificamente autrice di "Influenza della PAC nell'evoluzione della meccanizzazione europea", (PP. 30-36)
Bound-states of D-branes in L-R asymmetric superstring vacua
No full textWe discuss bound-states of D-branes in truly L-R asymmetric and thus non-geometric Type II vacuum configurations with extended supersymmetry. We argue for their stability as a result of residual supersymmetry and coupling to R-R potentials surviving in the massless spectrum. We then identify the open string excitations of these L-R asymmetric BPS D-branes. Finally, we briefly comment on possible applications and extensions.We discuss bound-states of D-branes in truly L-R asymmetric and thus non-geometric Type II vacuum configurations with extended supersymmetry. We argue for their stability as a result of residual supersymmetry and coupling to R-R potentials surviving in the massless spectrum. We then identify the open string excitations of these L-R asymmetric BPS D-branes. Finally, we briefly comment on possible applications and extensions.We discuss bound-states of D-branes in truly L–R asymmetric and thus non-geometric Type II vacuum configurations with extended supersymmetry. We argue for their stability as a result of residual supersymmetry and coupling to R–R potentials surviving in the massless spectrum. We then identify the open string excitations of these L–R asymmetric BPS D-branes. Finally, we briefly comment on possible applications and extensions
La malattia di Paget-Schroetter : Considerazioni clinico terapeutiche.
No full text[Paget-Schroetter disease: clinical and therapeutic considerations]. Fornaro R, Canaletti M, Terrizzi A, Davi MD, Bianchi M, Sticchi C, Fornaro M, Ferraris R. Cattedra di semeiotica Chirurgica I, Dipartimento di Discipline Chirurgiche e Metodologie Integrate, Università degli Studi di Genova.
A case of subclavian-axillary vein thrombosis prompted us to review the recentliterature on the subject. Paget-Shroetter disease is an uncommon disease, which is still associated with high early and late morbidity rates and the prevention of which requires early diagnosis and treatment. The importance of trauma (in the form of physical strain) in determining the symptoms of the disease is universally accepted. We observed subclavian-axillary vein thrombosis in a young
22-year-old athlete who complained of unexpected onset of pain in the left armpit, spreading to the arm and to the shoulder on the same side, functional impotence of the upper arm and swelling of the hand and forearm, and engorgement
of the vessels in the arm, shoulder and clavipectoral region, which in the course of time developed the characteristics of a collateral circulation. The patient underwent phlebography which documented lack of opacification of the axillo-subclavian axis and showed the presence of a collateral circulation with dilation of the vein of the shoulder and arm. We first attempted to dissolve the thrombus by locoregional infusion of urochinase and later started anticoagulative
therapy with an intravenous infusion of heparin (10,000 IU/h after a bolus of 500 units). Because of the poor result of thrombolysis and anticoagulative therapy and the progressive worsening of the disease, the patient underwent surgery to
restore the continuity of the venous axis. The surgical procedure was performed through a skin incision along the upper edge of the collar-bone. This was dissected and the two stumps were well separated to allow a clear view of the
subclavian vein. Phlebotomy, thrombectomy and reconstruction of the venous axis with an expanded polytetrafluoroethylene patch were performed. The postoperative course was uneventful and the patient underwent phlebography again on postoperative day 8, which demonstrated complete patency of the subclavian vein,
and was discharged on postoperative day 20 on oral anticoagulative therapy
King III Report and CSR
No full textHome Encyclopedia of Sustainable Management Living reference work entry
King III Report and CSR
Silvio Bianchi Martini, Antonio Corvino, Federica Doni & Marika Intenza
Living reference work entry
First Online: 24 March 2023
12 Accesses
Synonyms
Corporate Governance (CG); Corporate Social Responsibility (CSR); King Reports
Definition
The purpose of the chapter is to investigate the “state of the art” on sustainability reporting, in South Africa. Such country represents a worldwide unicum as a consequence of the publication and adoption of the King Reports that significantly improved corporate social responsibility (CSR) disclosure practices
Exact Solutions for Bianchi Type-I Cosmological Models in f(R) Theory of Gravity
No full textIn this paper, we attempt to study spatially homogeneous Bianchi type-I cosmological models in f(R) theory of gravity. The exact solutions of the Einstein’s field equations (EFEs) have been obtained by assuming that the expansion θ is proportional to the shear δ and by using a special form of Hubble parameter (HP). Here we find two exact solutions by using the variation law of H based on two different values of n. The physical and geometrical properties of these models have been discussed and the function f(R) of the Ricci scalar R is obtained for each case
Piccole imprese e politiche industriali in un contesto aperto
No full textIndubbiamente oggi la piccola e media impresa (Pmi) è un soggetto economico non più trascurato in ambito accademico e di cui molto si discute tra i responsabili delle politiche a livello locale, nazionale ed internazionale. Tale attenzione ha alimentato un intenso dibattito che si è caratterizzato per il proliferare di riflessioni sulla natura della piccola impresa, sui suoi punti di forza e di debolezza negli attuali meccanismi concorrenziali e sulle misure di politica esplicitamente rivolte a tale tipologia d’imprese.
Come è noto, le ragioni di questo ormai più che consolidato interesse sono dovute a quanto è emerso dalle analisi relative ad alcune specifiche realtà storiche. L’esperienza italiana, più in generale quella europea e forse in misura maggiore i modelli stilizzati ex post riferendosi a tali esperienze, hanno aperto la strada ad un nuovo modo di considerare la piccola impresa e quindi ad un nuovo approccio di policy making.
Tale cambiamento di atteggiamento ha significato abbandonare alcune delle certezze su cui gli economisti tradizionalmente basavano le proprie raccomandazioni di politica industriale, accettando la complessità del rapporto di causalità tra dimensione e performances d’impresa.
Inoltre il nuovo approccio di policy riconosce il ruolo sociale delle Pmi: le Pmi infatti in molte circostanze facilitano il coinvolgimento di nuovi soggetti in attività produttive e, contribuendo alla creazione di lavoro e alla diffusione di nuovi skills imprenditoriali, costituiscono anche una fonte im-portante di stabilità sociale.
Tuttavia, nonostante la sempre crescente popolarità delle Pmi tra scienziati sociali e policy makers, il dibattito continua ad evidenziare zone d’ombra; in particolare in questa sede si sostiene si sia ancora raggiunta una sufficiente chiarezza (terminologica e concettuale) nel definire la categoria stessa di “piccola e media impresa”.
In quest’ottica, abbiamo ritenuto quindi che fosse importante sviluppare alcune riflessioni su una possibile griglia interpretativa, un framework analitico quanto più possibile capace di iniziare ad evidenziare le complessità e le diversità all’interno della troppo generica categoria Pmi. Si tratta infatti a nostro avviso, in particolare quando ci si muove in un’ottica comparata, di uno dei presupposti dell’intero dibattito su cui bisogna continuare ad insistere.
Obiettivo di questo capitolo è quindi quello di offrire un possibile stru-mento di lettura, quanto più possibile vicino al mondo reale, che possa aiutare lo studioso e il policy maker in sede di analisi positiva e normativa, ad identificare le specificità della pluralità dei soggetti che vengono ricompresi nella categoria piccola e media impresa
Modular symbols over number fields
No full textLet K be a number field, R its ring of integers. For some classes of fields, spaces of cusp forms of weight 2 for GL(2;K) have been computed using methods based on modular symbols. J.E. Cremona [9] began the programme of extending the classical methods over Q to the case of imaginary quadratic fields. This work was continued by some of his Ph.D. students [35, 6, 22], and results have been obtained for some imaginary quadratic fields with small class number. More recently, P. Gunnells and D. Yasaki [18] have developed related algorithms for real quadratic fields.
The aim of this thesis is to contribute to the extension of the modular symbols method, when possible developing algorithms and implementations for effective computations. Some parts of the theory are purely algebraic and can be extended to all number fields. We generalise the theory for cusps and Manin symbols; we also describe a generalisation of Atkin-Lehner involutions and study other normaliser elements. On the other hand, all previous explicit computations for the imaginary quadratic field case were done only for specific fields. In the last part of this thesis we begin work towards a general implementation of the techniques used in this case. In particular, we are able to compute a fundamental domain of the hyperbolic 3-space for any imaginary quadratic field.
Implementations of the algorithms described in this thesis have been written by the author in the open-source mathematics software Sage [31]
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