Search results for " sistema."
showing 10 items of 1920 documents
Vascular flora evolution in the Soqotra Archipelago (Indian Ocean)
2012
The main floristic and vegetational features of the Soqotra Archipelago are outlined. The theories of vicariance and dispersal are commented with the support of examples suggesting the idea that both are complementary in the establishment and evolution of the flora of Soqotra. Finally the relation of alien vs natural elements of the flora is analyzed.
Biodiversity and evolution of the dendroflora in the Mediterranean
2012
The main old representatives of the Mediterranean dendroflora, their origin and distribution are treated. Relevant threats and strategy for in situ and ex situ conservation are also discussed here.
Geophytes and evolution in the Sicilian Archipelago
2012
Geophytes occurring in the Sicilian archipelago are examined with respect to their distribution and evolution, and also taking into account correlations with the inner parts of this territory and other regions in the central Mediterranean.
Understanding disease mechanisms with statistical models of signaling pathway activities
2016
Hoy en día, uno de los temas más candentes en la investigación biomédica es entender los procesos que producen enfermedades. En el pasado, la mayor parte las enfermedades génicas fueron asociadas al mal funcionamiento de un solo gen, pero hay muchas enfermedades que sólo pueden ser explicadas por el mal funcionamiento de un conjunto de genes. Una vez el genoma humano fue secuenciado, se hizo evidente que los genes no actúan solos en la célula, si no que están unidos por una intrincada red de interacciones que determinan su actividad. Este descubrimiento dio lugar al inicio de la biología de sistemas, que trata de entender cómo los componentes celulares se relacionan entre ellos para dar lug…
BIOMONITORIG ACTIVITIES OF “COMPRENSORIO DI PACE DEL MELA”.ANALYSES OF AIR QUALITY DATA
2007
The “Assessorato Territorio e Ambiente” of the Regional Sicilian Government and the “Ingegneria e Tecnologie Agro Forestali” (ITAF) Department, Palermo University, have been involved in a study (D.R.S. N° 473) concerning the occurrence of environmental pollution by heavy metals in the "Comprensorio territoriale di Pace del Mela". The involved local administrations (“comuni”) in the area of interest are: Condrò, Gualtieri Sicaminò, Milazzo, Pace del Mela, S.Filippo del Mela, Santa Lucia del Mela, San Pier Niceto. Naturalistic aspects and landscape relevance of the “Pace del Mela” area is supported by the existence of three Natural Reserves, twelve Sites of Community Interest (S.I.C.) and a Z…
Real-time estimation of plasma insulin concentration from continuous glucose monitor measurements
2015
Continuous glucose monitors can measure interstitial glucose concentration in real time for closed-loop glucose control systems, known as artificial pancreas. These control systems use an insulin feedback to maintain plasma glucose concentration within a narrow and safe range, and thus to avoid health complications. As it is not possible to measure plasma insulin concentration in real time, insulin models have been used in literature to estimate them. Nevertheless, the significant interand intra-patient variability of insulin absorption jeopardizes the accuracy of these estimations. In order to reduce these limitations, our objective is to perform a real-time estimation of plasma insulin co…
Extensive Assessment of Blood Glucose Monitoring During Postprandial Period and Its Impact on Closed-Loop Performance.
2017
[EN] Background: Closed-loop (CL) systems aims to outperform usual treatments in blood glucose control and continuous glucose monitors (CGM) are a key component in such systems. Meals represents one of the main disturbances in blood glucose control, and postprandial period (PP) is a challenging situation for both CL system and CGM accuracy. Methods: We performed an extensive analysis of sensor¿s performance by numerical accuracy and precision during PP, as well as its influence in blood glucose control under CL therapy. Results: During PP the mean absolute relative difference (MARD) for both sensors presented lower accuracy in the hypoglycemic range (19.4 ± 12.8%) than in other ranges (12.2…
Studies on the genus Capparis L. (Capparaceae) in Lao PDR. VI: a new species from the Bolikhamxai Province
2022
A new species of Capparis, C. phatadke, is described and illustrated from the Bolikhamxai Province, central Lao PDR. The new species is characterized by lianous habit, brown-reddish indumentum, straight stipular thorns, laminar bracts, large flowers arranged in terminal corymbs or subumbels, long filaments and large ovary. It is so far known from a single locality, where has been observed in mixed deciduous forest and secondary forest in a limestone area. Its ecology and phenology are discussed, and its conservation status is assessed.
Limonium cedrorumsp. nov. (Plumbaginaceae) from Lebanon
2012
Limonium cedrorum Domina & Ramondo, a new species belonging to the L. palmare aggr., is described and illustrated from the inland near Becharre (Lebanon). Its relationships with morphologically close taxa are discussed. Limonium cedrorum differs from L. sieberi and L. postii mainly by looser inflorescences and larger flowers. It differs from L. galilaeum by longer outer bract and longer scale below the first inflorescence branch, few sterile branches, thicker base of the inflorescence and denser spikes, and from L. graecum by the shape of the infl orescence, longer basal internodes and the shape of the calyx.
Typification of names inDrabasect.Aizopsis(Cruciferae, Arabideae) based on material from Italy
2013
Names of 20 presumed taxa in Draba sect. Aizopsis, all based on material from Italy, are considered. Full synonymies are provided, and types are designated (for 14 names) or indicated. Most of the taxa are currently considered unworthy of recognition, of which 16 belong to D. aspera sensu lato. However, the question of whether the Sicilian populations might be distinct from the peninsular populations is still unsettled.