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Flowering and seeding patterns in pure and mixed Nothofagus forests in Southern Patagonia

Ecological Processes 2016年第1期5卷 261-272页

作者： Monica Toro Manriquez Luciana Mestre Maria Vanessa Lencinas alvaro Promis Guillermo Martinez Pastur Rosina Soler National Scientific and Technical Research Council(CONICET) Austral Center for Scientific Research(CADIC-CONICET)Houssay 2009410 UshuaiaTierra del FuegoArgentina Department of Silviculture and Nature Conservation University of ChileAv.Santa Rosa 113159206 SantiagoLa PintanaChile

Introduction:Variation in reproductive phenology among species is an important mechanism for maintaining species *** mixed forests,the impact of limiting(biotic and abiotic)factors on tree reproductive success regulates the maintenance of species in balanced proportions or the conversion towards monospecific *** study offer a significant first approach to the reproductive phenology of mixed forests,assessing flowering,seeding and loss factors on reproductive success in three forest types(pure deciduous Nothofagus pumilio(Np),evergreen Nothofagus betuloides(Nb)and mixed(M)forests),comparing also between two geographical locations(coast and mountain),during one growing ***:Flowering falling started early in *** fall occurred first and more concentrated in Np,while in Nb,it was progressive during *** in M combined both patterns,but with better reproductive performance of both *** production was greater in Nb(42,900,000 ha^(−1))than in Np(710,000 ha^(−1)),while M presented intermediate values(31,900,000 ha^(−1)).Abortion was greatest in Np(19% of female flowers and 10% of immature fruits),while fruit predation was low(7-9%)in all forest *** seed was the main loss factor,but with low net values for each species in *** geographical location,sea proximity generated a quick starting of the growing season in coast compared to mountain ***,we detected forest types×location interactions in flowering and seeding patterns(*** male flower production and in empty and viable seeds),with differences in species response according to ***:Both deciduous and evergreen species have reproductive advantages in mixed compared to pure ***,mixed were more similar to pure evergreen forests in their reproductive traits and the incidence of the limiting *** study of only one growing season does not allow us to conclude whether mixed forests are stable communities,but we cont

关键词： Broadleaved Mixed forest Geographical location Leaf habit Reproductive phenology Seed quality

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The Characteristics of Near-surface Velocity During the Upwelling Season on the Northern Portugal Shelf

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Journal of Ocean University of China 2007年第3期6卷 213-225页

作者： ZUO Juncheng DU Ling alvaro Peliz A. Miguel Santos YU Yifa College of Physical and Environmental Oceanography Ocean University of China Qingdao 266100 P. R. China Institute of Sea and Fisheries Research of Portugal Lisbon 1449-006 Portugal

Observations made on the northern Portugal mid-shelf between May 13 and June 15,2002 were used to characterise the near-surface velocity during one upwelling season. It was found that in the surface mixed layer,the 'tidal current' was diurnal,but the tidal elevation was semi-diurnal. Both the residual current and the major axes of all tidal constituents were nearly perpendicular to the isobaths and the tidal current ellipses rotated clockwise;the major axis of the major tidal ellipse was about 3 cm s-1. The extremely strong diurnal current in the surface layer was probably due to diurnal heating,cooling,and wind mixing that induced diurnal oscillations,including the diurnal oscillation of wind stress. This is a case different from the results measured in the other layers in this area. The near-inertial spectral peaks occurred with periods ranging from 1 047 min to 1 170 min,the longest periods being observed in deeper layers,and the shortest in the surface layer. Weak inertial events appeared during strong upwelling events,while strong inertial events appeared during downwelling or weak subinertial events. The near-inertial currents were out of phase between 5 m and 35 m layers for almost the entire measurement period,but such relationship was very weak during periods of irregular weak wind. Strong persistent southerly wind blew from May 12 to 17 and forced a significant water transport onshore and established a strong barotropic poleward jet with a surface speed exceeding 20 cm s-1. The subinertial current was related to wind variation,especially in the middle layers of 15 m and 35 m,the maximum correlation between alongshore current and alongshore wind was about 0.5 at the 5 m layer and 0.8 at the 35 m layer. The alongshore current reacted more rapidly than the cross-shore current. The strongest correlation was found at a time lag of 20 h in the upper layer and of 30 h in the deeper layer. The wind-driven surface velocity obtained from the PWP model had maximum am

关键词： current variation upwelling northern Portugal shelf subinertial current tidal current

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Role of artificial intelligence in multidisciplinary imaging diagnosis of gastrointestinal diseases

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World Journal of Gastroenterology 2021年第27期27卷 4395-4412页

作者： M alvaro Berbís José Aneiros-Fernández F Javier Mendoza Olivares Enrique Nava Antonio Luna Department of R&D HT MédicaMadrid 28046MadridSpain Department of Pathology Hospital Universitario Clínico San CecilioGranada 18012Spain Department of Gastroenterology Fatima ClinicSevilla 41012Spain Department of Communications Engineering University of MálagaMalaga 29016Spain MRI Unit Department of RadiologyHT MédicaJaén 23007Spain

The use of artificial intelligence-based tools is regarded as a promising approach to increase clinical efficiency in diagnostic imaging,improve the interpretability of results,and support decision-making for the detection and prevention of ***,endoscopy and pathology images are suitable for deep-learning analysis,potentially changing the way care is delivered in *** aim of this review is to examine the key aspects of different neural network architectures used for the evaluation of gastrointestinal conditions,by discussing how different models behave in critical tasks,such as lesion detection or characterization(*** distinction between benign and malignant lesions of the esophagus,the stomach and the colon).To this end,we provide an overview on recent achievements and future prospects in deep learning methods applied to the analysis of radiology,endoscopy and histologic whole-slide images of the gastrointestinal tract.

关键词： Artificial intelligence Machine learning Radiology Endoscopy Pathology Gastroenterology

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Back-table surgery pancreas allograft for transplantation:Implications in complications

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World Journal of Transplantation 2021年第1期11卷 1-6页

作者： Javier Briceño Juan Manuel Sánchez-Hidalgo alvaro Arjona-Sanchez Department of General and Digestive Surgery Reina Sofia University HospitalCordoba 14004Spain

To describe the main aspects of back-table surgery in pancreatic graft and the problems arising from poor ***-table surgery for pancreatic graft is a complex,meticulous and laborious technique on which the success of implant surgery and perioperative results *** technique can be described in the following steps:Preparation of the sterile table,ex-situ inspection of the pancreasspleen block,management of the duodenum,identification of the bile duct,preparation of the portal vein,preparation of the own graft arteries and anastomosis to the arterial graft,spleen management and graft preservation prior to implantation in the recipient.A careful inspection of the pancreas-spleen block should be *** is important to identify the stump of the main bile duct,the portal vein cuff,and the arrangement of the superior mesenteric artery and splenic *** redundant duodenum must be *** availability of a good venous cuff facilitates the portal vein anastomosis and the positioning of the graft,two key points to prevent *** section line of the arteries must be clean,without atherosclerosis,to prevent arterial *** superior and splenic mesenteric arteries are generally separated by dense fibrolymphatic *** artery can be reconstructed by interposing a"Y"graft from the donor iliac artery;or with an end-to-end anastomosis between the splenic artery and the superior mesenteric *** exquisite technique of bench work helps to prevent the most feared complications of pancreas transplantation:Thrombosis and graft pancreatitis.

关键词： Pancreas transplantation Back-bench work Pancreas thrombosis Graft pancreatitis Arterial reconstruction Pancreas allograft

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Mesenchymal stem cells and cell-free preparations for treating atopic dermatitis

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BIOCELL 2022年第11期46卷 2363-2367页

作者： TRINIDAD MONTERO-VILCHEZ MANUEL SANCHEZ-DIAZ CAROLINA MONTERO-VILCHEZ alvaro SIERRA-SANCHEZ SALVADOR ARIAS-SANTIAGO Dermatology Department Virgen de las Nieves University HospitalGranadaSpain Instituto de Investigación Biosanitaria Granada GranadaSpain Pharmacy Department Virgen de las Nieves University HospitalGranadaSpain Dermatology Department Faculty of MedicineUniversity of GranadaGranadaSpain

Atopic dermatitis(AD)is a chronic cutaneous inflammatory disease caused by an interaction between genetic,immune and epidermal barrier *** treatments can be used to treat this disease but there are patients that do not respond to actual ***,there is a need to develop effective therapies for *** stem cells(MSCs)are non-hematopoietic multipotent adult progenitor cells with immunomodulatory power and self-regenerating capacity to repair tissue damage,so they could be a potential effective treatment for ***-Conditioned Medium(CM)and MSCs-exosomes are cell-free preparation with molecules secreted by stem cells that could be also beneficial for *** viewpoint reviews the actual development of MSCs,MSCs-CM and MSCs-exosomes for treating patients with AD.

关键词： Atopic dermatitis Conditioned medium Dermatology Mesenchymal stem cells Stem cells

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Electrochemical Corrosion Study in H₂SO₄ of NiAl with Cu Additions, Microstructure and Micro-Hardness at Room Temperature

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Journal of Minerals and Materials Characterization and Engineering 2022年第3期10卷 225-241页

作者： Jesús M. Colín de la Cruz Sergio A. Serna Barquera alvaro Torres-Islas Arturo Molina-ocampo Edgar Valenzuela José G. González Rodríguez Universidad Autónoma del Estado de Morelos Facultad de Ciencias Químicas e Ingeniería UAEM-FCQeI. Av. Universidad 1001Colonia Chamilpa Cuernavaca Morelos México Universidad Autónoma del Estado de Morelos Centro de Investigación en Ingeniería y Ciencias Aplicadas UAEM-CIICAp Cuernavaca Morelos México UABC Baja California Sur México

For many years, intermetallic materials promise applications in a wide variety of technology areas. NiAl intermetallic compound is material that exhibits important characteristics such as high corrosion resistance and low density besides its ability to retain strength and stiffness at elevated temperatures. However NiAl intermetallic is too hard, brittle and exhibits very low ductility at room temperature being the reason because this material is not yet available for structural applications. In order to increase the ductility of the NiAl intermetallic compound, the addition of a third alloying element has been proved, nevertheless it is important to determine if such additions decrease or increase the hardness and the corrosion resistance of the alloy. So, the present investigation reports the corrosion performance of the NiAl intermetallic compound modified with Cu, emphasizing the EIS analysis and the relation between physical parameters and the modelling equations used in the Equivalent Electric Circuit. It was found that the addition of Cu promotes the formation of the γ’-Ni3Al phase in Cu contents greater than 15 at. %, in addition to a decrease in micro hardness and an increment in the Icorr values. In this way, the electrochemical characterization evidenced a high corrosion resistance of these intermetallic alloys.

关键词： NiAl-Cu Corrosion Behavior Electrochemical Impedance Spectrum Vickers Micro Hardness Microstructure

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Clinical impact of artificial intelligence-based solutions on imaging of the pancreas and liver

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World Journal of Gastroenterology 2023年第9期29卷 1427-1445页

作者： M alvaro Berbís Felix Paulano Godino Javier Royuela del Val Lidia AlcaláMata Antonio Luna Department of Radiology HT MédicaSan Juan de Dios HospitalCórdoba 14960Spain Faculty of Medicine Autonomous University of MadridMadrid 28049Spain Department of Radiology HT MédicaClínica las NievesJaén 23007Spain

Artificial intelligence(AI)has experienced substantial progress over the last ten years in many fields of application,including *** hepatology and pancreatology,major attention to date has been paid to its application to the assisted or even automated interpretation of radiological images,where AI can generate accurate and reproducible imaging diagnosis,reducing the physicians’*** can provide automatic or semi-automatic segmentation and registration of the liver and pancreatic glands and ***,using radiomics,AI can introduce new quantitative information which is not visible to the human eye to radiological *** has been applied in the detection and characterization of focal lesions and diffuse diseases of the liver and pancreas,such as neoplasms,chronic hepatic disease,or acute or chronic pancreatitis,among *** solutions have been applied to different imaging techniques commonly used to diagnose liver and pancreatic diseases,such as ultrasound,endoscopic ultrasonography,computerized tomography(CT),magnetic resonance imaging,and positron emission tomography/***,AI is also applied in this context to many other relevant steps involved in a comprehensive clinical scenario to manage a gastroenterological *** can also be applied to choose the most convenient test prescription,to improve image quality or accelerate its acquisition,and to predict patient prognosis and treatment *** this review,we summarize the current evidence on the application of AI to hepatic and pancreatic radiology,not only in regard to the interpretation of images,but also to all the steps involved in the radiological workflow in a broader ***,we discuss the challenges and future directions of the clinical application of AI methods.

关键词： Artificial intelligence Machine learning Deep learning Imaging Liver Pancreas

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Humanized bone facilitates prostate cancer metastasis and recapitulates therapeutic effects of zoledronic acid in vivo

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Bone Research 2019年第4期7卷 388-398页

作者： Marietta Landgraf Christoph ALahr alvaro Sanchez-Herrero Christoph Meinert Ali Shokoohmand Pamela MPollock Dietmar WHutmacher Abbas Shafiee Jacqui AMcGovern Centre in Regenerative Medicine Institute of Health and Biomedical InnovationQueensland University of TechnologyBrisbaneAustralia School of Biomedical Science Institute of Health and Biomedical InnovationTranslational Research InstituteQueensland University of TechnologyBrisbaneAustralia Australian Research Council(ARC)Training Centre in Additive Biomanufacturing Queensland University of TechnologyBrisbaneAustralia UQ Diamantina Institute Translational Research InstituteThe University of QueenslandBrisbaneQLDAustralia

Advanced prostate cancer(PCa)is known for its high prevalence to metastasize to bone,at which point it is considered *** significant effort,there is no animal model capable of recapitulating the complexity of PCa bone *** humanized mouse model for PCa bone metastasis used in this study aims to provide a platform for the assessment of new drugs by recapitulating the human–human cell interactions relevant for disease development and *** humanized tissueengineered bone construct(hTEBC)was created within NOD-scid IL2rgnull(NSG)mice and was used for the study of experimental PC3-Luc bone *** was confirmed that PC3-Luc cells preferentially grew in the hTEBC compared with murine *** translational potential of the humanized mouse model for PCa bone metastasis was evaluated with two clinically approved osteoprotective therapies,the non-species-specific bisphosphonate zoledronic acid(ZA)or the human-specific antibody Denosumab,both targeting Receptor Activator of Nuclear Factor Kappa-Β***,but not Denosumab,significantly decreased metastases in hTEBCs,but not murine *** results highlight the importance of humanized models for the preclinical research on PCa bone metastasis and indicate the potential of the bioengineered mouse model to closely mimic the metastatic cascade of PCa cells to human ***,it will enable the development of new effective antimetastatic treatments.

关键词： metastasis PC3 drugs

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The digital‘connected’earth:open technology for providing location-based services on degraded communication environments

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International Journal of Digital Earth 2018年第8期11卷 761-782页

作者： Ramón Piedrafita Rubén Béjar Rubén Blasco alvaro Marco F.Javier Zarazaga-Soria Aragón Aragón Institute of Engineering Research Universidad de ZaragozaZaragozaSpain

n the current world,it is easy to listen that everybody and everything is *** this connected world,the concept of location-based services has grown in order to provide digital services in everyplace and at every ***,this is not 100%true because the connection is not guaranteed for many people and in many *** are the Degraded Communications Environments(DCE),environments where the availability of high-speed communications is not guaranteed in at least the 75%of the *** paper works over the experience of a previous work in developing light protocols that do not need broadband for *** work provides an extension of these protocols for the inclusion of mobile devices as elements of the communication process and a set of libraries to allow the development of applications in *** work done has involved the development of two frameworks:an Android framework that makes the incorporation of Android devices easier and a server-based framework that provides the server side for the development of the referred applications.A use case that uses these two frameworks has been ***,all technology developed is available throw a public Git repository.

关键词： Location-based services degraded communications environments open technology

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The need to develop tailored tools for improving the quality of thematic bibliometric analyses: Evidence from papers published in Sustainability and Scientometrics

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Journal of Data and Information Science 2023年第4期8卷 10-35页

作者： alvaro Cabezas-Clavijo Yusnelkis Milanés-Guisado Ruben Alba-Ruiz Ángel MDelgado-Vázquez Universidad Internacional de La Rioja(UNIR) Avenida de la Paz137Logroño26006Spain Universidad Pablo de Olavide Ctra.de UtreraKm 1Sevilla41013Spain Hospital Universitario Virgen de las Nieves Avenida de las Fuerzas Armadas2Granada 18014Spain

Purpose: The aim of this article is to explore up to seven parameters related to the methodological quality and reproducibility of thematic bibliometric research published in the two most productive journals in bibliometrics, Sustainability(a journal outside the discipline) and Scientometrics, the flagship journal in the ***/methodology/approach: The study identifies the need for developing tailored tools for improving the quality of thematic bibliometric analyses, and presents a framework that can guide the development of such tools. A total of 508 papers are analysed, 77% of Sustainability, and 23% published in Scientometrics, for the 2019-2021 ***: An average of 2.6 shortcomings per paper was found for the whole sample, with an almost identical number of flaws in both journals. Sustainability has more flaws than Scientometrics in four of the seven parameters studied, while Scientometrics has more shortcomings in the remaining three *** limitations: The first limitation of this work is that it is a study of two scientific journals, so the results cannot be directly extrapolated to the set of thematic bibliometric analyses published in journals from all *** implications: We propose the adoption of protocols, guidelines, and other similar tools, adapted to bibliometric practice, which could increase the thoroughness, transparency, and reproducibility of this type of ***/value: These results show considerable room for improvement in terms of the adequate use and breakdown of methodological procedures in thematic bibliometric research, both in journals in the Information Science area and journals outside the discipline.

关键词： Thematic bibliometric analyses Sustainability Scientometrics Reproducibility Methodological quality

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