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Vapor Phase Decarbonylation of Furfural to Furan over Nickel Supported on SBA-15 Silica Catalysts

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Modern Research in Catalysis 2016年第3期5卷 85-94页

作者： Diana Vargas-Hernández Juan Miguel Rubio-Caballero Ramon moreno-Tost josefa María Mérida-Robles josé Santamaría-González antonio Jiménez-López María Ana Pérez-Cruz Rosario Hernández-Huesca Pedro Maireles-Torres Catedrática CONACYT—Universidad de Sonora Hermosillo México Departamento de Química Inorgánica Cristalografía y Minerología (Unidad Asociada al ICP-CSIC) Facultad de Ciencias Universidad de Málaga Málaga Spain Facultad de Ciencias Químicas Benemérita Universidad Autónoma de Puebla Puebla México

Vapor-phase transformations of furfural over SBA-15 silica supported Ni catalysts under H2 in a continuous-flow reactor at atmospheric pressure and 170°C and 230°C were investigated. Two different samples having Ni loadings of 5 and 20 wt% (denoted here by SBA-5Ni and SBA-20Ni, respectively) were prepared by impregnation and characterized by atomic absorption spectroscopy, N2 sorption analysis, X-ray diffraction, X-ray photoelectron spectroscopy, and transmission electron microscopy. Furan and furfuryl alcohol were two primary products resulting, respectively, from decarbonylation and hydrogenation of furfural. Under the conditions of the study, both reactions exhibited structure sensitivity evidenced by changes in product selectivities with variable Ni loadings. Compared with SBA-20Ni, the 5 wt% Ni catalyst showed better catalytic activity, reaching a furfural conversion of 100 mol% and a selectivity to furan of 98 mol%, after 5 h of time-on-stream at 230°C.

关键词： Ni-SBA-15 Furfural Hydrogenation Furan Furfuryl Alcohol

Comparison of six human anti-transglutaminase ELISA-tests in the diagnosis of celiac disease in the Saharawi population

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World Journal of Gastroenterology 2005年第24期11卷 3762-3766页

作者： Eloy Fernández Sabino Riestra Luis Rodrigo Carlos Blanco antonio López-Vázquez Dolores Fuentes Maria moreno Carlos López-Larrea Biochemistry Service Gastroenterology Service Immunology Service

AIM: Celiac disease (CD) is an enteropathic disorder very prevalent in Saharawi people. Our aim was to investigate the diagnostic accuracy of six human tissue transglutaminase (tTG) based ELISA tests in Saharawi CD patients. METHODS: Fifty-two CD patients and 23 controls were selected from the Saharawi refugee camps in Tinduf. CD patients were divided into two groups according to their anti-endomysium (EmA) status: 41 EmA positive and 11 EmA negative. Sera from patients and controls were tested for human tTG using six commercial ELISA kits. We used receiver operating characteristics (ROC) curves and areas under the curve to compare the diagnostic accuracies of the six assays. RESULTS: In general, there are differences in the sensitivity and specificity of the human tTG ELISA assays used. Diagnostic accuracy of tests was significantly improved by adjusting the cut-off thresholds according to ROC plot analysis; the correction of the cut-off with the employment of the ROC curve analysis modifies the decision limit in more than 50% in five of the six kits evaluated. CONCLUSION: Some of the human tTG ELISAs used in this study have a diagnostic accuracy similar to EmA determination for diagnosis of CD in Saharawi people. However, it is necessary to select the assay with a higher sensitivity and specificity, and recalculate the cut-off threshold using samples from the referral population.

关键词： Anti-transglutaminase tests Comparative study Celiac diagnosis Saharawi population

Surgical Excision of Ischiorectal Fossa Tumors

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Surgical Science 2016年第10期7卷 461-465页

作者： Javier Die Trill Juan Carlos García Irene moreno Juan Diego Pina Estela Tobaruela jose Barquin Juan Ocaña antonio Rey Department of Surgery Hospital Ramón y Cajal Madrid Spain

Background: Ischiorectal Fossa Tumors are rare and their management has not been protocolized. Patients: We retrospectively review four consecutive cases treated in our department, from January 2015 to July 2015. All of them were discussed in a multidisciplinary team meeting. None of them were secondary to an inflammatory process. Results: A Magnetic Resonance Imaging was performed in all the four patients, and as it was not a malignant diagnosis made in any of them, we proceeded to resecate the lesions. None biopsies were performed and the benign diagnoses were confirmed by the pathologist. All the patients underwent a local posterior or perineal approach, because all the lesions (epidermoid cyst, hamartoma, lipoma and an aggressive angiomyxoma) were localized purely in the ischiorectal fossa, under the levator ani muscle and not invading any adjacent structures. In all of them, an R0 resection was performed. Conclusions: Ischiorectal fossa tumors are rare and there are few cases already published. Non-inflammatory lesions located in the ischiorectal fossa, with none invasion of rectum or levator ani muscle, are mainly benign lesions prone to their complete excision by a posterior approach. Biopsy is not always necessary unless there’s a suspicion of a malignancy or invasion of adjacent structures, and only in that case a biopsy should be made, because in some of them, a neo-adjuvant treatment can be useful to reduce the tumor and to perform an R0 resection.

关键词： Ischiorectal Fossa Tumors Aggressive Angiomyxoma

Acceptability Properties and Antioxidant Pontential of Desi Chickpea (<i>Cicer arietinum</i>L.) Cultivars

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Food and Nutrition Sciences 2012年第9期3卷 1281-1289页

作者： josé antonio Garzón-Tiznado Mirna Isabel Ochoa-Lugo Mar de Jesús Heiras-Palazuelos Dulce María Domínguez-Arispuro Edith Oliva Cuevas Rodríguez Roberto Gutiérrez-Dorado Jorge Milán-Carrillo Cuauhtémoc Reyes-moreno Maestria en Ciencia y Tecnología de Alimentos Facultad de Ciencias Químico-Biológicas Universidad Autónoma de Sinaloa Sinaloa México Master in Food Science and Technology Faculty of Chemical-Biological Sciences Autonomous University of Sinaloa Sinaloa Mexico Programa Regional del Noroeste para el Doctorado en Biotecnología Universidad Autónoma de Sinaloa Sinaloa México

The acceptability properties, total phenolic content, and antioxidant potential of four (red, green, brown, cream) desi chickpea (Cicer arietinum L.) cultivars from the World Germplasm Bank were evaluated. Protein content of the grains varied from 20.12% to 28.85% (dw), highest for Cream ICC3421. The water absorption capacity (WAC) and cooking time (CT) of the whole grains ranged from 97.7 to 117.5 g water/100 g seeds (ww) and from 109.5 to 193.5 min, respectively;the highest WAC and lowest CT corresponded to Cream ICC3421 cultivar. The total phenolic content (TPC) and total hydrophilic antioxidant activity (AoxA) [oxygen radical absorbance capacity (ORAC) value] of desi chickpea cultivars varied from 746 to 1.286 μg gallic acid equivalents (GAE)/g sample (dw) and from 43.9 to 53.9 μmol Trolox equivalents (TE)/g sample (dw);Brown ICC3512 showed the highest ORAC value. Chickpea cultivars could contribute significantly to the management and/or prevention of degenerative diseases associated with free radical damage.

关键词： Desi Chickpeas Cultivars Acceptability Properties Antioxidant Activity Total Phenolic Content

Usefulness of applying lidocaine in esophagogastroduodenoscopy performed under sedation with propofol

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World Journal of Gastrointestinal Endoscopy 2013年第5期5卷 231-239页

作者： Felipe de la Morena Cecilio Santander Carlos Esteban Beatriz de Cuenca Juan antonio García Javier Sánchez Ricardo moreno Endoscopy Unit Department of GastroenterologyHospital Universitario Infanta CristinaCP 28981 ParlaMadridSpain Department of Gastroenterology Hospital Universitario de la PrincesaCP 28006 MadridSpain Department of Anaesthesiology Hospital Universitario Infanta CristinaCP 28981 ParlaMadridSpain Department of Pharmacology Hospital Universitario Infanta CristinaCP 28981 ParlaMadridSpain

AIM:To determine whether topical lidocaine benefits esophagogastroduoduenoscopy(EGD) by decreasing propofol dose necessary for sedation or procedurerelated ***:The study was designed as a prospective,single centre,double blind,randomised clinical trial and was conducted in 2012 between January and May(NCT01489891).Consecutive patients undergoing EGD were randomly assigned to receive supplemental topical lidocaine(L;50 mg in an excipient solution which was applied as a spray to the oropharynx) or placebo(P;taste excipients solution without active substance,similarly delivered) prior to the standard propofol sedation *** propofol was administered as a bolus intravenous(iv) dose,with patients in the L and P groups receiving initial doses based on the patient’s American Society of Anaesthesiologists(ASA) classification(ASAⅠ-Ⅱ:0.50-0.60 mg/kg;ASA Ⅲ-Ⅳ:0.25-0.35 mg/kg),followed by 10-20 mg iv dose every 30-60 s at the anaesthetist’s *** signs,anthropometric measurements,amount of propofol administered,sedation level reached,examination time,and the subjective assessments of the endoscopist’s and anaesthetist’s satisfaction(based upon a four point Likert scale) were *** statistical tests were performed by the Stata statistical software suite(Release 11,2009;StataCorp,LP,College Station,TX,United States).RESULTS:No significant differences were found between the groups treated with lidocaine or placebo in terms of total propofol dose(310.7 ± 139.2 mg/kg per minute vs 280.1 ± 87.7 mg/kg per minute,P = 0.15) or intraprocedural propofol dose(135.3 ± 151.7 mg/kg per minute vs 122.7 ± 96.5 mg/kg per minute,P = 0.58).Only when the L and P groups were analysed with the particular subgroups of female,< 65-year-old,and lower anaesthetic risk level(ASA Ⅰ-Ⅱ) was a statistically significant difference found(L:336.5 ± 141.2 mg/kg per minute vs P:284.6 ± 91.2 mg/kg per minute,P = 0.03) for greater total propofol requirements).The total i

关键词： Lidocaine Propofol Esophagogastroduodenoscopy Sedation Adverse effects

Spanish Initiative for the Automation in Urban Transport: AutoMOST

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Journal of Transportation Technologies 2018年第1期8卷 1-10页

作者： Jesús Murgoitio Rafael Durbán joshué M. Pérez antonio García jose A. moreno Ray A. Lattarulo Industry & Transport Division Tecnalia Derio Spain Grupo Avanza Madrid Spain

The progressive automation of transport will imply a new paradigm in mobility, which will profoundly affect people, logistics of goods, as well as other sectors dependent on transport. It is precise within this automation where the development of new driving technologies is going to cause a great impact on the mobility of the near future, and that will have an effect on the economic, natural and social environment. It is therefore a primary issue at the global level, as it is reflected in the work programs of the European Commission in relation to the road transport [1] [2]. Thus, the size impact is caused by the following novelties and advantages: 1) Safety: Accidents reduction caused by human error;2) Efficiency increase in transportation, both in energy consumption and time;3) Comfort for users and professionals who will increase their operational availability to execute other more valuable tasks, both for them and enterprises;4) Social Inclusion: enabling mobility easily for everybody during more time;5) Accessibility, to get to city centers and other difficult reach places. It should be noted that the economic impact projected for automated driving for the years to come ranges up to €71 bn in 2030, when estimated global market for automated vehicles is 44 million vehicles, as is reflected in document Automated Driving Roadmap by ERTRAC [3], European Road Transport Research Advisory Council (http://***/uploads/documentsearch/id38/ERTRAC_***). As background that already anticipates these im-provements, the Advance Driver Assistance System (ADAs) have already showed the safety increase in the last ten years, but always maintain a leading role for the driver. Related to the efficiency increase, automated driving offers great opportunities for those companies where mobility is a key factor in operating costs, and affects the whole value chain. The project opportunity is consistent with ERTRAC vision, especially in applications focus

关键词： Urban Transport Automated Vehicles Dual Mode

Colloidal and rheological characterization of SWCNT in biological media

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International Journal of Smart and Nano Materials 2019年第4期10卷 300-315页

作者： Arisbel Cerpa Isabel Lado Oriella Quiroga Rodrigo moreno Rosario García Sebastián Cerdán Nehal I.Abu-Lail Industrial and Aerospace Engineering Department European UniversityMadridSpain Synthesis and Colloidal Processing Group Institute of Ceramics and GlassICV-CSICMadridSpain Geology and Geochemical Department.Science Faculty Autonomous University of MadridMadridSpain Department of Endocrine and Nervous System Pathophysiology Institute of Biomedical Research“Alberto Sols”CSICMadridSpain Department of Biomedical Engineering University of Texas at San AntonioSan AntonioTXUSA

Wereport on the colloidal and rheological characterization of suspensions of commercial single-walled carbon nanotubes(SWCNT)and oxidized single walled carbon nanotubes(SWCNT-oxi24h),in water and fetal bovine serum(FBS).The effects of two surfactants,dodecyl-benzene sodium sulfonate(SBDS)and sodium dodecyl sulfate(SDS)at different concentrations(0.5-2.0%)on the zeta potential and the rheology of the suspensions is also *** suspensions were characterized by Transmission Electron Microscopy(TEM)and Atomic Force Microscopy(AFM).The colloidal stability was determined by measurements of zeta potential in the physiological pH range 6.0

关键词： SWCNT viscosity zeta potential surfactant molecular dynamics simulation

Prognostic role of selection criteria for liver transplantation in patients with hepatocellular carcinoma:Review and bibliometric

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iLIVER 2024年第1期3卷 52-61页

作者： Pamela Scarlett Espinoza Loyola Diana Laura Muratalla Bautista Karen Adela Hernández Bautista Elizabeth Gil White joséantonio González moreno Daniel Angel Torres del Real Víctor Manuel Páez Zayas Carla Escorza-Molina Fernando Mondragón Rodríguez Omar Vásquez Gómez Luis Jorge Fernández López Paul Santiago Mogrovejo Vázquez Isidoro Aczel Sánchez-Cedillo Víctor jose Visag Castillo Social Service Internship Universidad Nacional Autónoma de MéxicoMexico City 04510Mexico Social Service Internship Universidad AnahuacMexico City 04510Mexico Department of Surgery Division of Transplantation Surgery Hospital General de MéxicoMexico City 06720Mexico Departament of Gastroenterology Division of HepatologyHospital General de MéxicoMexico City 06720Mexico Departmanet of Anesthesiology Hospital General de MéxicoMexico City 06720Mexico

Hepatocellular carcinoma(HCC)is one of the most common cancers in the world and is one of the leading indications for liver transplantation,liver transplantation is the gold standard treatment for end stage liver *** is based up on radiological characteristics and rarely biopsy *** treatment must be individualized to each patient to improve recurrences and *** this article,we focus on the different selection criteria for liver *** study aimed to investigate the distribution laws and research frontiers of international literature,so as to present holistic bibliometric evaluation of the studies on 5-year survival and disease-free recurrence in 5 years,according to hepatocarcinoma criteria for liver *** paper aims to review and analyze 5-year survival and disease-free recurrence based on hepatocarcinoma criteria for liver *** systematically examines and summarizes distribution characteristics and research frontiers through bibliometric analysis.A bibliographic search was implemented in PubMed/Medline,Clinical Key,Science Direct and Index Medicus with MESH terms,from the year 1996–*** selected for transplantation using the Metroticket 2.0(MT2)criteria had the highest overall survival along with patients selected for transplantation using the Milan Criteria had the best 5-year disease-free *** Metroticket 2.0 criteria(MT2)and Milan Criteria(MC)have shown the most favorable post-transplant outcomes for patients with hepatocellular carcinoma(HCC).However,MC demonstrated the best 5-year disease-free recurrence rate,underscoring the significance of taking into account tumor morphology and biology when determining the eligibility of HCC patients for liver *** distribution characteristics and research frontiers by bibliometrics concerning prognostic role of selection criteria for liver transplantation in patients with hepatocellular carcinoma the collaboration

关键词： Hepatocellular carcinoma Liver transplantation Survival Criteria Recurrence Bibliometrics

Conditioned Taste Aversion Diminishes Sugar Intake

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Food and Nutrition Sciences 2014年第11期5卷 997-1004页

作者： Alma Gabriela Martínez moreno antonio López-Espinoza Imelda de León López Laura Vanesa Solano Santos Fernando Hernández- Leonardo Behavioral Feeding and Nutrition Research Center CUSur University of Guadalajara Ciudad Guzmán México

Animals learn to avoid particular food when some of its sensory properties are associated with gastrointestinal discomfort. Twenty rats were exposed to free access to food and a sugar solution for ten days in first phase. During second phase, experimental group received a dose of LiCl. Control group received an injection without LiCl. Both groups had free access to a sugar solution and food restriction for three days. In the final phase, both groups returned to the conditions of first phase. Results showed a significant decrease in sugar intake after aversive conditioning regarding the intake registered in the initial phase in experimental group. Control group did not show any differences in its sugar intake before and after the experimental manipulation. The procedure carried out is discussed as a means to decrease sugar intake.

关键词： Sugar LiCl Conditioned Taste Aversion Rats