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Characterization and catalytic activity of soft-templated Ni0-CeO_(2) mixed oxides for CO and CO_(2) co-methanation

Frontiers of Chemical Science and Engineering 2021年第2期15卷 251-268页

作者： Luciano Atzori maria Giorgia Cutrufello Daniela Meloni Barbara Onida Delia Gazzoli Andrea Ardu Roberto Monaci maria franca sini Elisabetta Rombi Department of Chemical and Geological Sciences University of Cagliari09042 Monserrato(CA)Italy Department of Materials Science and Chemical Engineering CR-INSTM for Materials with Controlled PorosityPolytechnic of Turin10129 TurinItaly Department of Chemistry University of Rome“La Sapienza”00185 RomeItaly

Nanosized NiO,CeO_(2) and NiO-CeO_(2) mixed oxides with different Ni/Ce molar ratios were prepared by the soft template *** the samples were characterized by different techniques as to their chemical composition,structure,morphology and *** the catalysts submitted to the same reduction pretreatment adopted for the activity tests the surface basic properties and specific metal surface area were also *** and CeO_(2) nanocrystals of about 4 nm in size were obtained,regardless of the Ni/Ce molar *** Raman and X-ray photoelectron spectroscopy results proved the formation of defective sites at the NiO-CeO_(2) interface,where Ni species are in strong interaction with the *** microcalorimetric and Fourier transform infrared analyses of the reduced samples highlighted that,unlike metallic nickel,CeO_(2) is able to effectively adsorb CO_(2),forming carbonates and hydrogen *** reduction in H2 at 400°C for 1 h,the catalytic performance was studied in the CO and CO_(2) co-methanation *** tests were performed at atmospheric pressure and 300°C,using CO/CO_(2)/H_(2) molar compositions of 1/1/7 or 1/1/5,and space velocities equal to 72000 or 450000 cm^(3)∙h^(-1)∙gcat^(-1).Whereas CO was almost completely hydrogenated in any investigated experimental conditions,CO_(2) conversion was strongly affected by both the CO/CO_(2)/H_(2) ratio and the space *** faster and definitely preferred CO hydrogenation was explained in the light of the different mechanisms of CO and CO_(2) *** a selected sample,the influence of the reaction temperature and of a higher number of space velocity values,as well as the stability,were also *** that the Ni content is optimized,the NiCe system investigated was very promising,being highly active for the CO_(x) co-methanation reaction in a wide range of operating conditions and stable(up to 50 h)also when submitted to thermal stress.

关键词： soft template method Ni0-CeO_(2)catalystss CO and CO_(2)co-mtharation synthetic natural gas production

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Melanocortin 3,5 receptors immunohistochemical expression in colonic mucosa of inflammatory bowel disease patients:A matter of disease activity?

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World Journal of Gastroenterology 2024年第9期30卷 1132-1142页

作者： Antonietta Gerarda Gravina Iacopo Panarese maria Consiglia Trotta Michele D'Amico Raffaele Pellegrino franca Ferraraccio Marilena Galdiero Roberto Alfano Paolo Grieco Alessandro Federico Hepatogastroenterology Division Department of Precision MedicineUniversity of Campania Luigi VanvitelliNaples 80138Italy Pathology Division Department of Mental and Physical Health and Preventive MedicineUniversity of Campania Luigi VanvitelliNaples 80138Italy Department of Experimental Medicine Division of PharmacologyUniversity of Campania Luigi VanvitelliNaples 80138Italy Department of Advanced Medical and Surgical Sciences(DAMSS) University of Campania Luigi VanvitelliNaples 80138Italy Department of Pharmacy University of Naples Federico IINaples 80131Italy

BACKGROUND Melanocortin 3 and 5 receptors(i.e.,MC3R and MC5R)belong to the melanocortin ***,data regarding their role in inflammatory bowel diseases(IBD)are currently *** This study aims to ascertain their expression profiles in the colonic mucosa of Crohn’s disease(CD)and ulcerative colitis(UC),aligning them with IBD disease endoscopic and histologic *** Colonic mucosal biopsies from CD/UC patients were sampled,and immunohisto-chemical analyses were conducted to evaluate the expression of MC3R and *** sampling was performed on both traits with endoscopic scores(Mayo endoscopic score and CD endoscopic index of severity)consistent with inflamed mucosa and not consistent with disease activity(i.e.,normal appearing mucosa).RESULTS In both CD and UC inflamed mucosa,MC3R(CD:+7.7 fold vs normal mucosa,P<0.01;UC:+12 fold vs normal mucosa,P<0.01)and MC5R(CD:+5.5 fold vs normal mucosa,P<0.01;UC:+8.1 fold vs normal mucosa,P<0.01)were significantly more expressed compared to normal *** MC3R and MC5R are expressed in the colon of IBD ***,expression may differ according to disease endoscopic activity,with a higher degree of expression in the traits affected by disease activity in both CD and UC,suggesting a potential use of these receptors in IBD pharmacology.

关键词： Melanocortin 3 receptor Melanocortin 5 receptor Ulcerative colitis Crohn's disease Inflammatory bowel disease

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Design and criteria of electrospun fibrous scaffolds for the treatment of spinal cord injury

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Neural Regeneration Research 2017年第11期12卷 1786-1790页

作者： Barbara Vigani Silvia Rossi Giuseppina Sandri maria Cristina Bonferoni franca Ferrari Department of Drug Sciences University of PaviaViale TaramelliPaviaItaly

The complex pathophysiology of spinal cord injury may explain the current lack of an effective therapeutic approach for the regeneration of damaged neuronal cells and the recovery of motor functions. Many efforts have been performed to design and develop suitable scaffolds for spinal cord regeneration, keeping in mind that the reconstruction of a pro-regenerative environment is the key challenge for an effective neurogenesis. The aim of this review is to outline the main features of an ideal scaffold, based on biomaterials, produced by the electrospinning technique and intended for the spinal cord regeneration. An overview of the poly- mers more investigated in the production of neural fibrous scaffolds is also provided.

关键词： spinal cord injury biomaterials electrospun fibers conductive scaffolds morphological properties biodegradability

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Precision medicine in gastric cancer

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World Journal of Gastrointestinal Oncology 2019年第10期11卷 804-829页

作者： Patrizia Bonelli Antonella Borrelli franca maria Tuccillo Lucrezia Silvestro Raffaele Palaia Franco maria Buonaguro Molecular Biology and Viral Oncology Istituto Nazionale Tumori-IRCCS-Fondazione G PascaleNapoli 80131Italy Abdominal Medical Oncology Istituto Nazionale Tumori-IRCCS-Fondazione G PascaleNapoli 80131Italy Gastro-pancreatic Surgery Division Istituto Nazionale Tumori-IRCCS-Fondazione G PascaleNapoli 80131Italy

Gastric cancer(GC)is a complex disease linked to a series of environmental factors and unhealthy lifestyle habits,and especially to genetic *** represents the second leading cause of cancer-related deaths *** onset is subtle,and the majority of patients are diagnosed once the cancer is already *** recent years,there have been innovations in the management of advanced GC including the introduction of new classifications based on its molecular *** to new technologies such as next-generation sequencing and microarray,the Cancer Genome Atlas and Asian Cancer Research Group classifications have also paved the way for precision medicine in GC,making it possible to integrate diagnostic and therapeutic *** the objectives of the subdivision of GC into subtypes is to select patients in whom molecular targeted drugs can achieve the best results;many lines of research have been initiated to this *** phase III clinical trials,trastuzumab,anti-Erb-B2 receptor tyrosine kinase 2(commonly known as ERBB2)and ramucirumab,anti-vascular endothelial growth factor receptor 2(commonly known as VEGFR2)monoclonal antibodies,were approved and introduced into first-and second-line therapies for patients with advanced/metastatic ***,the heterogeneity of this neoplasia makes the practical application of such approaches ***,scientific progress has not been matched by progress in clinical practice in terms of significant improvements in *** continues to be low in contrast to the reduction in deaths from many common cancers such as colorectal,lung,breast,and prostate *** several target molecules have been identified on which targeted drugs can act and novel products have been introduced into experimental therapeutic protocols,the overall approach to treating advanced stage GC has not substantially ***,surgical resection with adjuvant or neoadjuvant radiotherapy and ch

关键词： Gastric cancer Molecular characterization Biomarkers Precision medicine Targeted therapy

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Loco-regional treatment of hepatocellular carcinoma:Role of contrast-enhanced ultrasonography

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World Journal of Hepatology 2022年第5期14卷 911-922页

作者： Agostino Inzerillo maria franca Meloni Adele Taibbi Tommaso Vincenzo Bartolotta Department of Radiology University Hospital"Paolo Giaccone"Palermo 90127Italy Department of Radiology Casa di Cura IgeaMilan 20121Italy Department of Radiology Fondazione Istituto G.Giglio HospitalCefalù90015Italy

Hepatocellular carcinoma(HCC)is one of the few cancers for which locoregional treatments(LRTs)are included in international guidelines and are considered as a valid alternative to conventional *** to Barcelona Clinic Liver Cancer classification,percutaneous treatments such as percutaneous ethanol injection,radiofrequency ablation and microwave ablation are the therapy of choice among curative treatments in patients categorized as very early and early stage,while transcatheter arterial chemoembolization is considered the better option for intermediate stage HCC.A precise assessment of treatment efficacy and surveillance is essential to optimize survival rate,whereas residual tumor requires additional *** modalities play a key role in this ***,contrast-enhanced computed tomography/magnetic resonance imaging are considered the standard imaging modalities for this *** enhanced ultrasound(CEUS),using second generation contrast agents,plays an increasingly important role in detecting residual disease after *** is a straightforward to perform,repeatable and cost-effective imaging modality for patients with renal failure or iodine *** to the ability to focus on single regions,CEUS can also provide high temporal ***,several studies have reported the same or better diagnostic accuracy as contrast-enhanced computed tomography for assessing tumor vascularity 1 mo after LRTs,and recently three-dimensional(3D)-CEUS has been reported as a promising technique to improve the evaluation of tumor response to ***,CEUS could be used early after procedures in monitoring HCC treatments,but nowadays this indication is still debated,and data from literature are conflicting,especially after transcatheter arterial chemoembolization procedure.

关键词： Hepatocellular carcinoma Contrast-enhanced ultrasonography Radiofrequency ablation Transcatheter arterial chemoembolization Ultrasound Liver

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Scoping review on vector-borne diseases in urban areas:transmission dynamics,vectorial capacity and co-infection

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Infectious Diseases of Poverty 2018年第1期7卷 916-939页

作者： Marcus Eder Fanny Cortes Noemia Teixeira de Siqueira Filha Giovanny Vinicius Araujo de franca Stephanie Degroote Cynthia Braga Valery Ridde Celina maria Turchi Martelli Public Health England Sierra Leone Country Office FreetownSierra Leone Aggeu Magalhaes Institute(IAM)/Oswaldo Cruz Foundation(Fiocruz) Avenida Professor Moraes Regos/n.Cidade Universitaria.CEP 50RecifePernambuco 740-465Brazil Universidade de Pernambuco(UPE) RecifePernambucoBrazil Liverpool School Of Tropical Medicine(LSTM) LondonUK Secretariat of Health Surveillance Ministry of HealthBrasiliaBrazil University of Montreal School of Public Health(ESPUM) MontrealQuebecCanada IRD(French Institute For Research on Sustainable Development) CEPED(IRD-UniversiteParis Descartes)Universites Paris Sorbonne CitesERL INSERM SAGESUDParisFrance

Background:Transmission dynamics,vectorial capacity,and co-infections have substantial impacts on vector-borne diseases(VBDs)affecting urban and suburban *** key factors can provide insight into priority research areas and offer suggestions for potential *** body:Through a scoping review,we identify knowledge gaps on transmission dynamics,vectorial capacity,and co-infections regarding VBDs in urban ***-reviewed and grey literature published between 2000 and 2016 was *** screened abstracts and full texts to select *** an extraction grid,we retrieved general data,results,lessons learned and recommendations,future research avenues,and practice *** classified studies by VBD and country/continent and identified relevant knowledge *** 773 articles selected for full-text screening,50 were included in the review:23 based on research in the Americas,15 in Asia,10 in Africa,and one each in Europe and *** largest body of evidence concerning VBD epidemiology in urban areas concerned dengue and *** arboviruses covered included chikungunya and West Nile virus,other parasitic diseases such as leishmaniasis and trypanosomiasis,and bacterial rickettsiosis and *** articles retrieved in our review combined transmission dynamics and vectorial capacity;only two combined transmission dynamics and *** review identified significant knowledge gaps on the role of asymptomatic individuals,the effects of co-infection and other host factors,and the impacts of climatic,environmental,and socioeconomic factors on VBD transmission in urban *** included the trade-off from narrowing the search strategy(missing out on classical modelling studies),a lack of studies on co-infections,most studies being only descriptive,and few offering concrete public health *** research is needed on transmission risk in homes and workplaces,given increasingly dynamic and mobil

关键词： Arboviruses Disease vectors Coinfection Urban population Epidemiology Review

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Venous Catheterization Experimental Model in Rabbits:Histological Alterations in the Catheter Region

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Surgical Science 2015年第12期6卷 532-540页

作者： Bianca Ribeiro Rodrigues Gabriela Samaha franca maria Cecilia Ferro Canabarro Luciana Willy Marcus franca Medical Science and Health Faculty Catholic University of Sao Paulo(FCMSPUC/SP)Sao PauloBrazil University City of Sao Paulo(UNICID) Sao PauloBrazil Faculdade de Ciencias Médicas e da Saúde(FCMS) Pontifícia Universidade Catolica de Sao Paulo(PUC/SP)Sao PauloBrazil

Central venous access is one of the most common surgery procedures worldwide, especially in pediatric surgery. Local and regional complications as the result of venous catheter permanence time are frequently described as: thrombosis, infection, edema and local cellulite, movement and loss of the catheter. Other severe complications such as endocardiac and hemorrhagic lesions are also described and considered the cause of catheter early removal. In the literature few studies have addressed vascular and perivascular lesions and complications as the result of central venous access to peripheral veins, given the difficulty of setting up venous catheterization experimental models to study blood vessels and perivascular tissue alterations after catheterization. In the present venous catheterization experimental model, rabbits were divided into two groups based on the time that the venous catheters were maintained in their veins. Group a composed of 7 New Zealand male rabbits was submitted to a 15-day treatment;and the 6 New Zealand male rabbits of group B were treated during 90 days. Both groups presented similar inflammatory conditions since there was no significant difference between groups. Therefore, the results may well suggest that the endothelial inflammatory reaction could have developed at an early initial short period and by maintaining the catheter, the inflammatory reactions would have decreased or disappeared. Aimed at studying these vascular and perivascular alterations in venous catheterization, the present study proposes an experimental rabbit model that allows the analysis of differences in local vascular and perivascular histological variations and compares histological differences between both venous catheterization groups each of them with different periods of treatment.

关键词： Experimental Surgery Central Venous Catheter Venous Thrombosis Phlebitis

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Antimicrobial Activity and Rates of Tannins in Stryphnodendron adstringens *** Collected in the Brazilian Cerrado

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American Journal of Plant Sciences 2013年第11期4卷 2193-2198页

作者： Giovana maria Lanchoti Fiori Ana Lucia Fachin Valéria SCCorrea Bianca Waleria Bertoni Silvana Giuliatti Saulo franca Amui Suzelei de Castro franca Ana maria Soares Pereira University of Ribeirao Preto—UNAERP Ribeirao PretoBrazil Reserve EcoCerrado Brazil AraxáBrazil Department of Genetics University of Sao Paulo—USPRibeirao PretoBrazil

Inner bark extracts of Stryphnodendron adstringens, a leguminous tree species known as Barbatimão, are often incorporated to phytotherapic formulations due to their antimicrobial and healing activities. In this study, extracts from S. adstringens accessions collected in 12 distinct locations were investigated in order to determine the rates of tannins in inner barks and to validate S. adstringens antibacterial and antifungal effectiveness. Yields of tannins were quantified by colorimetric assay following methodology described in the Brazilian Pharmacopoeia and the antimicrobial activity was determined by microdilution technique proposed by the National Committee for Clinical Laboratory Standards using S. adstringens hydroalcoholic and aqueous extracts and semi-purified fractions. Investigated extracts did not present significant antibacterial activity though aqueous extracts exhibited antifungal effect against both Trichophyton rubrum mutant and clinical strains (MIC 156 μg/mL). A positive correlation between tannin concentration and antifungal activity was observed and the accessions collected in Delfinópolis (MG) were considered elite.

关键词： Cerrado Barbatimao Genetic Diversity Phytoterapy

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Optimization of Biosurfactant Production from Glycerol by Pseudomonas Aeruginosa EQ 109 Using Factorial Design 2^3

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Journal of Chemistry and Chemical Engineering 2010年第10期4卷 1-12页

作者： Francisca Pessoa De franca Flavia Padilha Bastos Dos Santos Lea maria de Almeida Lopes School of Chemistry Federal University of Rio de Janeiro CT BI. E Fundao Island 21949-909 Rio de Janeiro RJ Brazil Institute of Maeromolecules Professora Eloisa Mano /Lapin Federal University of Rio de Janeiro CT Bl. J Fundao Island 21941-598. Rio de Janeiro. RJ. Brazil

One possible application for the excess of glycerol, which is an exceeding byproduct in biodiesel industry, was used as carbon and energy sources for bioproducts synthesis. This work aims to evaluate biosurfactant production from glycerol by Pseudomonas aeruginosa EQ 109 isolated from crude oil-contaminated soil. Factorial design 2^3 was utilized to optimize the amount of biosurfactant produced, by using pH （A）, initial biomass concentration （B）, and initial glycerol concentration （C） as independent factors. The experiments were carried out in flasks containing 100 mL of mineral medium. Biosurfactant production was monitored by increase of the emulsification of aviation kerosene （E24） and surface tension reduction （STr）. The results have shown that, at pH = 7.0, in order to increase E24, variables as B and C are the most influential, leading to a maximum value of E24 = 79%, as well as for an increase of GC （GCmax = 49%）. STR was the variable with the best correlation factor for the proposed linear model （R2=0.96） and its maximum value was 48%. Xfwas not significant to the model, although it was influenced by pH and C, with C = 40g/L （Xfmax = 4.56 g/L）.

关键词： Biodiesel biosurfactant factorial design glycerol Pseudomonas aeruginosa.

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Microwave ablation of liver tumors:initial clinical experience

Microwave ablation of liver tumors:initial clinical experien...

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2009年世界肿瘤介入学术大会

作者： maria franca Melonil Anita Andreanol Elena Meneghell Sergio Lazzaroni Carlo Filice Sandro Sironil Univerisity of Milan-Bicocca Italy Clusone Hospital Bergamo Italy Univeristy of Pavia Italy

＜正＞Aim:To present our initial clinical experience with microwave（MW） percutaneous devices for liver tumor ablation. MW ablation is an emerging technique due to its efficacious heating of tissue without the electrical conductivity dependence that is characteristic of radiofrequency（RF） *** has theoretical advantages over RF such as rapid tissue heating that reduces the problem of heat sinking,higher tissue temperatures and no grounding pads,which eliminates the risk of skin burns.

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