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Towards high-strength cold spray additive manufactured metals:Methods,mechanisms,and properties

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Journal of Materials Science & Technology 2024年第3期170卷 47-64页

作者： Shuo Yin Ningsong Fan Chunjie Huang Yingchun Xie Chao Zhang rocco Lupoi Wenya Li Department of Mechanical Manufacturing&Biomedical EngineeringParsons BuildingTrinity College DublinThe University of DublinDublin 2Ireland Institute of Materials Technology Helmut-Schmidt-University/University of the Federal Armed Forces HamburgHamburg 22043Germany The Key Lab of Guangdong for Modern Surface Engineering Technology National Engineering Laboratory for Modern Materials Surface Engineering TechnologyInstitute of New MaterialsGuangdong Academy of SciencesGuangzhou 510651China College of Mechanical Engineering Yangzhou UniversityYangzhou 225127China State Key Laboratory of Solidification Processing Shaanxi Key Laboratory of Friction Welding TechnologiesNorthwestern Polytechnical UniversityXi’an 720072China

Cold spray,as a solid-state additive manufacturing process,has been attracting increasing attention from both scientific and industrial ***,cold-sprayed deposits generally have unfavorable mechanical properties in their as-fabricated state compared to conventionally manufactured and fusion-based additive-manufactured counterparts due to the inherent microstructural defects in the deposits(e.g.,porosity and incomplete interparticle bonding).This downside reduces its competitiveness and limits its wide applications as an additive manufacturing *** the past years,many strengthening technologies have been developed or introduced to adjust the microstructure and improve the mechanical properties of cold-sprayed *** term“strengthening”in this work specifically refers to improving the mechanical strength,particularly the tensile strength of the cold-sprayed bulk *** to the stage that the strengthening technologies are used in the cold spray process,they can be classified into three categories:pre-process(e.g.,powder heat treatment),in-process(e.g.,powder heating,in-situ micro-forging,laser-assisted cold spray),and post-process(e.g.,post heat treatment,hot isostatic pressing,hot rolling,friction stir processing).Therefore,a comprehensive review of these strengthening technolo-gies is conducted to illuminate the possible correlations between the strengthening mechanisms and the resultant deposit microstructures and mechanical *** review paper aims to help researchers and engineers well understand the different strengthening methods and provide guidance for the cold spray community to develop new strengthening strategies for future high-quality mass production.

关键词： Cold spray Additive manufacturing Strengthening Microstructure Ductility Tensile strength

A giant scrotal pendulous fibroma mimicking a supernumerary testis

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Asian Journal of Andrology 2024年第2期26卷 227-228页

作者： Luigi Quaresima rocco Francesco Delle Fave Giordano Polisini Daniela Fasanella Willy Giannubilo Urology Division Civitanova Marche HospitalCivitanova Marche 62012Italy Department of Clinical and Specialist Sciences Division of UrologyPolytechnic University of the Marche Region Medical SchoolAncona 60126Italy Department of Life Health and Environmental SciencesUniversity of L'AquilaL'Aquila 67100Italy

DearEditor,Pendulous fibroma,also called acrochordon,is a benign skin neoplasm,originating from the ***,small in size,it can arise from any point of the dermis(frequently from the axillary area,inguinal region,eyelid,or neck),and in some cases,it can be *** fibromas are more frequent in obese subjects,and most of the time,they are sporadic,although sometimes,they can be observed in Birt-Hogg-Dube *** some rare cases,they can reach considerable ***,they are associated with diabetes mellitus,obesity,and intestinal ***,the pedicle undergoes torsion,causing pain and ischemic necrosis of the fibroma,which requires rapid removal of the *** present a case of giant pendulous fibroma of the *** patient has given his consent to the publication of his clinical information and photographic images in an anonymous form.

关键词： frequent obesity clinical

Application of ultrasonography-elastography score to suspect porto-sinusoidal vascular disease in patients with portal vein thrombosis

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Hepatobiliary & Pancreatic Diseases International 2024年第1期23卷 20-24页

作者： Stefania Gioia Adriano De Santis Giulia d’Amati Silvia Nardelli Alessandra Spagnoli Arianna Di rocco Lorenzo Ridola Oliviero Riggio Department of Translational and Precision Medicine Sapienza University of RomeRomeItaly Department of Radiological Oncologicaland Pathological SciencesSapienza University of RomeRomeItaly Department of Public Health and Infectious Diseases Sapienza University of RomeRomeItaly

Background:Porto-sinusoidal vascular disease(PSVD)and portal vein thrombosis(PVT)are causes of portal hypertension characterized respectively by an intrahepatic and a pre-hepatic obstacle to the flow in the portal *** PVT may be a consequence of PSVD,in PVT patients at presentation,a pre-existing PSVD should be *** these patients the identification of an underlying PSVD would have relevant implication regarding follow-up and therapeutic management,but it could be *** this setting ultrasonography may be valuable in differential *** aim of the study was to use ultrasonography to identify parameters to discriminate between PSVD and“pure”PVT and then to suspect PVT secondary to a pre-existing ***:Fifty-three patients with histologically proven PSVD and forty-eight patients affected by chronic PVT were enrolled and submitted to abdominal ultrasonography with elastography by acoustic radiation force impulse(ARFI).Results:ARFI was higher and superior mesenteric vein(SMV)diameter was wider in PSVD patients than in PVT ***,a prognostic score was obtained as linear combinations of the two parameters with a good discrimination capacity between PSVD and PVT(the area under the curve=0.780;95%confidence interval:0.690-0.869).Conclusions:A score based on ARFI and SMV diameter may be useful to suspect an underlying PSVD in patients with PVT and to identify a subgroup of patients to be submitted to liver biopsy.

关键词： Non-cirrhotic portal hypertension Porto-sinusoidal vascular disease Chronic portal vein thrombosis Liver stiffness Portal hypertension Acoustic radiation force impulse

Evaluating Pharmacological and Rehabilitation Strategies for Effective Management of Bipolar Disorder: A Comprehensive Clinical Study

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Advances in Bioscience and Biotechnology 2024年第7期15卷 406-431页

作者： rocco de Filippis Abdullah Al Foysal Department of Neuroscience Institute of Psychopathology Rome Italy Department of Computer Engineering (AI) University of Genova Genova Italy

Bipolar disorder presents significant challenges in clinical management, characterized by recurrent episodes of depression and mania often accompanied by impairment in functioning. This study investigates the efficacy of pharmacological interventions and rehabilitation strategies to improve patient outcomes and quality of life. Utilizing a randomized controlled trial with multiple treatment arms, participants will receive pharmacotherapy, polypharmacotherapy, rehabilitation interventions, or combination treatments. Outcome measures will be assessed using standardized scales, including the Hamilton Depression Scale, Yale-Brown Obsessive Compulsive Scale (Y-BOCS), and Mania Scale. Preliminary data suggest improvements in symptom severity and functional outcomes with combination treatments. This research aims to inform clinical practice, guide treatment decisions, and ultimately enhance the quality of care for individuals living with bipolar disorder. Findings will be disseminated through peer-reviewed journals and scientific conferences to advance knowledge in this field.

关键词： Bipolar Disorder (BD) Pharmacotherapy (PT) Rehabilitation Interventions (RI) Hamilton Depression Scale (HAM-D) Yale-Brown Obsessive Compulsive Scale (Y-BOCS) Mania Scale (MS) Machine learning (ML) and Artificial Intelligence (AI).

Harnessing the Power of Artificial Intelligence in Neuromuscular Disease Rehabilitation: A Comprehensive Review and Algorithmic Approach

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Advances in Bioscience and Biotechnology 2024年第5期15卷 289-309页

作者： rocco de Filippis Abdullah Al Foysal Institute of Psychopathology Rome Italy Computer Engineering (AI) University of Genova Genova Italy

Neuromuscular diseases present profound challenges to individuals and healthcare systems worldwide, profoundly impacting motor functions. This research provides a comprehensive exploration of how artificial intelligence (AI) technology is revolutionizing rehabilitation for individuals with neuromuscular disorders. Through an extensive review, this paper elucidates a wide array of AI-driven interventions spanning robotic-assisted therapy, virtual reality rehabilitation, and intricately tailored machine learning algorithms. The aim is to delve into the nuanced applications of AI, unlocking its transformative potential in optimizing personalized treatment plans for those grappling with the complexities of neuromuscular diseases. By examining the multifaceted intersection of AI and rehabilitation, this paper not only contributes to our understanding of cutting-edge advancements but also envisions a future where technological innovations play a pivotal role in alleviating the challenges posed by neuromuscular diseases. From employing neural-fuzzy adaptive controllers for precise trajectory tracking amidst uncertainties to utilizing machine learning algorithms for recognizing patient motor intentions and adapting training accordingly, this research encompasses a holistic approach towards harnessing AI for enhanced rehabilitation outcomes. By embracing the synergy between AI and rehabilitation, we pave the way for a future where individuals with neuromuscular disorders can access tailored, effective, and technologically-driven interventions to improve their quality of life and functional independence.

关键词： Neuromuscular Diseases Rehabilitation Artificial Intelligence Machine Learning Robotic-Assisted Therapy Virtual Reality Personalized Treatment Motor Function Assistive Technologies Algorithmic Rehabilitation

Long-term assessment of collagenase treatment for Dupuytren’s contracture:A 10-year follow-up study

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World Journal of Orthopedics 2024年第4期15卷 355-362页

作者： Marco Passiatore Vitale Cilli Adriano Cannella Ludovico Caruso Giulia Maria Sassara Giuseppe Taccardo rocco De Vitis Department of Bone and Joint Surgery ASST-Spedali CiviliBrescia 25123Italy Department of Chirurgie de la Main Centre Hospitalier Interregional Edith CavellBruxelles 1160Belgium Department of Orthopedics Fondazione Policlinico Universitario Agostino Gemelli IRCSSRome 00168Italy

BACKGROUND Enzymatic fasciotomy with collagenase clostridium histolyticum(CCH)has revolutionized the treatment for Dupuytren’s contracture(DC).Despite its benefits,the long-term outcomes remain *** study presented a comprehensive 10-year follow-up assessment of the enduring effects of CCH on patients with *** To compare the short-term(12 wk)and long-term(10 years)outcomes on CCH treatment in patients with *** A cohort of 45 patients was treated with CCH at the metacarpophalangeal(MCP)joint and the proximal interphalangeal(PIP)joint and underwent systematic *** study adhered to multicenter trial protocols,and assessments were conducted at 12 wk,7 years,and 10 years *** Thirty-seven patients completed the 10-year *** 10 years,patients treated at the PIP joint exhibited a 100%***,patients treated at the MCP joint only showed a 50%*** satisfaction varied,with a lower satisfaction reported in PIP joint *** exceeding 20 degrees on the total passive extension deficit was observed,indicating a challenge for sustained *** differences were noted between outcomes at the 7-year and 10-year *** CCH demonstrated sustained efficacy when applied to the MCP ***,caution is warranted for CCH treatment at the PIP joint due to a high level of recurrence and low patient ***-intervention is needed within a decade of treatment.

关键词： Collagenase Xiapex Dupuytren disease Dupuytren recurrence Long term follow-up

Hemiarthroplasty for irreparable distal radius fractures in the elderly:A comprehensive review

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World Journal of Orthopedics 2024年第6期15卷 578-584页

作者： Adriano Cannella Ludovico Caruso Giulia Maria Sassara Giuseppe Taccardo Marco Passiatore Marina Marescalchi rocco De Vitis Department of Orthopaedics Fondazione Policlinico Universitario A Gemelli IRCCSRome 00168Italy Department of Bone and Joint Surgery ASST-Spedali CiviliBrescia 25123Italy

BACKGROUND Elderly patients maintaining functional independence can now be candidates for primary wrist hemiarthroplasty to manage acute irreparable distal radius fractures(DRFs).However,further investigation with long-term follow-up is required to validate these initial *** To review the literature on the outcomes of distal radius hemiarthroplasty with available implants to assess its viability as a treatment *** A comprehensive review of the literature was conducted using electronic databases,including PubMed,Medline,and *** search terms employed were"distal radius fracture","hemiarthroplasty","wrist arthroplasty",and related *** search was restricted to articles published in English from 1980 until June *** criteria encompassed cases or case series of DRF treated with hemiarthroplasty,providing clinical or radiographic outcomes,and published in peer-reviewed *** A total of 2508 articles from PubMed and 883 from Scopus were identified *** screening and removal of duplicates,13 articles met the inclusion *** articles,predominantly clinical retrospective studies,provided insights into hemiarthroplasty outcomes,including functional improvements and *** was a treatment option for complex DRF,particularly those cases with severe comminution,intraarticular involvement,or severe *** outcomes demonstrated improvements in pain relief,wrist mobility,and grip strength,with variability across *** included implant loosening,infection,nerve injury,and stiffness,with varying incidence rates influenced by surgical techniques and implant ***-term outcomes were inadequately documented,warranting further *** Hemiarthroplasty is a promising treatment for irreparable DRF in the ***-term outcomes and complications require further study.

关键词： Irreparable distal radius fracture Hemiarthroplasty Osteoporosis Wrist prosthesis Elderly

Discorsi parlamentari

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2005年

作者： rocco Alfredo

来源：畅想之星图书光盘版（南... 评论

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生物液体燃料可持续发展评价系统

农业工程学报 2009年第12期25卷 218-223页

作者：孟海波赵立欣高新星田宜水 rocco De Miglio Evasio Lavagno 农业部规划设计研究院北京100125 意大利都灵理工大学

该文分析了国内外生物液体燃料能量平衡研究现状。在综合考虑能量平衡、污染物排放、土地、水资源成本等各种因素的基础上,基于线性规划法和电子数据表工具(SPREADSHEET),利用生命周期理论研究开发了生物液体燃料可持续评价系统(BSAS),... 详细信息

该文分析了国内外生物液体燃料能量平衡研究现状。在综合考虑能量平衡、污染物排放、土地、水资源成本等各种因素的基础上,基于线性规划法和电子数据表工具(SPREADSHEET),利用生命周期理论研究开发了生物液体燃料可持续评价系统(BSAS),该系统主要有基础数据库、分析模块和优化模块3部分组成,以中国内蒙古和黑龙江两地发展甜高粱茎秆燃料乙醇为案例,利用该系统进行了可持续性评价。研究表明,利用该系统可实现国家、省以及特定地区等多个层面对发展生物液体燃料的可持续性进行优化分析和综合评价,得出选定地区在满足设定情景条件下优化的生物液体燃料产业发展规划,为政府部门科学决策提供技术支撑。

关键词：生物燃料可持续发展生物质评价系统