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World Journal of Gastroenterology 2008年第27期14卷 4407-4409页

作者： sergio Zepeda-Gómez Jesús camacho Edgar Oviedo-Cárdenas Carmen Lome-Maldonado Department of Gastrointestinal Endoscopy Instituto Nacional de Ciencias Médicas y Nutrición "Salvador Zubirán" Department of Pathology Instituto Nacional de Ciencias Médicas y Nutrición "Salvador Zubirán"

Diffuse large B-cell lymphoma (DLBCL) is the most common histologic subtype of the non-Hodgkin’s lymphoma (NHL) accounting for about 40% of all NHLs. This is a case report about the endoscopic appearance of a DLBCL with infiltration to the stomach in a 39-year-old female. she had a 6-mo history of lumbar and left upper quadrant pain with intermittent episodes of melena. A computer tomograghy (CT) scan showed mural thickening of the gastric antrum. Endoscopic examination revealed multiple gastric ulcers. Definite diagnosis could be made by endoscopic biopsies and the patient had a good response to chemotherapy. This response correlated well with a further endoscopic follow-up. A follow-up endoscopic examination could be considered to evaluate a good response to chemotherapy in DLBCL patients with secondary gastric dissemination.

关键词： Diffuse large B-cell lymphoma Non-Hodgkin's lymphoma Gastric infiltration

Factors that influence outcome in non-invasive and invasive treatment in polycystic liver disease patients

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World Journal of Gastroenterology 2008年第20期14卷 3195-3200页

作者： Josué Barahona-Garrido Jesús camacho-Escobedo Eduardo Cerda-Contreras Jorge Hernández-Calleros Jesús K Yamamoto-Furusho Aldo Torre Misael Uribe Department of Gastroenterology National Institute of Health Sciences and Nutrition "Salvador Zubirán" Mexico City 14000 Mexico

AIM: To evaluate the factors that influence outcome of both non-invasive and invasive treatment of polycystic liver disease. METHODs: Analysis of clinical files of patients with complete follow-up from July 1986 to June 2006. REsULTs: Forty-one patients (male, 7; female, 34), 47.8 ± 11.9 years age, and 5.7 ± 6.7 years follow-up, were studied. Alkaline phosphatase (AP) elevation (15% of patients) was associated with the requirement of invasive treatment (IT, P = 0.005). IT rate was higher in symptomatic than non-symptomatic patients (65.4% vs 14.3%, P = 0.002), and in women taking hormonal replacement therapy (HRT) (P = 0.001). Cysts complications (CC) were more frequent (22%) in the symptomatic patients group (P = 0.023). Patients with body mass index (BMI) > 25 (59%) had a trend to complications after IT (P = 0.075). Abdominal pain was the most common symptom (56%) and indication for IT (78%). Nineteen patients (46%) required a first IT: 12 open fenestration (OF), 4 laparoscopic fenestration (LF) and 3 fenestration with hepatic resection (FHR). Three required a second IT, and one required a third procedure. Complications due to first IT were found in 32% (OF 16.7%, LF 25%, FHR 66.7%), and in thesecond IT in 66.7% (OF 100%). Follow-up mortality rate was 0. CONCLUsION: Presence of symptoms, elevated AP, and CC are associated with IT requirement. HRT is associated with presence of symptoms and IT requirement. Patients with BMI > 25 have a trend be susceptible to IT complications. The proportions of complications are higher in FHR and second IT groups. Rs is more frequent after OF.

关键词： Hepatic cysts Open fenestration Laparoscopic fenestration Hepatic resection Recurrenceof symptoms Hormonal replacement therapy

Thermokinetic and conductivity analyzes of the high CO2 chemisorption on Li5AlO4 and alkaline carbonate impregnated Li5AlO4 samples:Effects produced by the use of CO2 partial pressures and oxygen addition

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Journal of Energy Chemistry 2017年第5期26卷 919-926页

作者： Pedro sánchez-camacho J.Francisco Gómez-García Heriberto Pfeiffer Laboratorio de Fisicoquímica y Reactividad de superficies(LaFRes) Instituto de Investigaciones en MaterialesUniversidad Nacional Autońoma de MexicoCircuito exterior s/nCd.UniversitariaDel.Coyoacan C.P.04510Ciudad de Me´xicoMexico

The effect of COpartial pressure was evaluated during the COchemisorption in penta lithium aluminate（LiAlO）, using different COand Opartial pressures in the presence or absence of alkaline carbonates. Results showed that using low PO（0.1） did not affect the kinetic and final COchemisorption process. Moreover, small additions of oxygen（PO= 0.05） into the mixture flue gas, seemed to increase the COchemisorption. Additionally, the presence of alkaline carbonates modified the COcapture temperature range. COchemisorption kinetic parameters were determined assuming a double exponential model where direct COchemisorption and COchemisorption controlled by diffusion processes are ***, ionic diffusion was analyzed by ionic conduction analysis, where all the gravimetric and ionic measurements were in good agreement showing different diffusion processes depending on ***, the oxygen and alkaline carbonate additions have positive effects during the COchemisorption process in LiAlO, and a possible reaction mechanism is presented.

关键词： CO2 capture Thermogravimetric analysis Partial pressure Ionic conduction

Phosphate-activated glutaminase activity is enhanced in brain, intestine and kidneys of rats following portacaval anastomosis

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World Journal of Gastroenterology 2006年第15期12卷 2406-2411页

作者： Manuel Romero-Gómez María Jover Daniel Díaz-Gómez Laura Collantes de Terán Regina Rodrigo inés camacho Miriam Echevarría Vicente Felipo Juan D Bautista Unit for the Clinical Management of Digestive Diseases Hospital Universitario de Valme SevillaSpain Department of Biochemistry Bromatology and Toxicology Faculty of PharmacyUniversity of SevilleSpain Laboratory of Neurobiology Fundación Valenciana de Investigaciones Biomédicas ValenciaSpain Biochemistry Unit Hospital Universitario de Valme SevillaSpain Instituto de Investigaciones Biomédicas Departament of Physiology University of SevilleSpain Laboratory of Neurobiology Fundación Valenciana de Investigaciones Biomédicas ValenciaSpain

AIM： To assess whether portacaval anastomosis （PCA） in rats affects the protein expression and/or activity of glutaminase in kidneys, intestines and in three brain areas of cortex, basal ganglia and cerebellum and to explain the neurological alterations found in hepatic encephalopathy （HE）. METHODs： sixteen male Wistar rats weighing 250-350 g were grouped into sham-operation control （n=8） or portacaval shunt （n = 8）. Twenty-eight days after the procedure, the animals were sacrificed. The duodenum, kidney and brain were removed, homogenised and mitochondria were isolated. Ammonia was measured in brain and blood. Phosphate-activated glutaminase （PAG） activity was determined by measuring ammonia production following incubation for one hour at 37 ℃ with O-phthalaldehyde （OPA） and specific activity expressed in units per gram of protein （pkat/g of protein）. Protein expression was measured by immunoblotting. REsULTs： Duodenal and kidney PAG activities together with protein content were significantly higher in PCA group than in control or sham-operated rats （duodenum PAG activity was 976.95±268.87μkat/g of protein in PCA rats vs 429.19±126.92.μkat/g of protein in shamoperated rats; kidneys PAG activity was 1259.18±228.79 μkat/g protein in PCA rats vs 669.67±400.8 μkat/g of protein in controls, P〈0.05; duodenal protein content： 173% in PCA vs sham-operated rats; in kidneys the content of protein was 152% in PCA vs sham-operated rats）. PAG activity and protein expression in PCA rats were higher in cortex and basal ganglia than those in shamoperated rats （cortex： 6646.6 ±1870.4 μkat/g of protein vs 3573.8± 2037.4 μkat/g of protein in control rats, P〈 0.01; basal ganglia, PAG activity was 3657.3± 1469.6 μkat/g of protein in PCA rats vs 2271.2±384 μkat/g of protein in sham operated rats, P〈0.05; In the cerebellum, the PAG activity was 2471.6±701.4 μkat/g of protein vs 1452.9 ±567.8 μkat/g of protein in the PCA and sham rats, respectively, P〈0.05; content of protein： cerebral co

关键词： Hyperammonaemia Minimal hepaticencephalopathy Glutamine Protein content shamoperated

safety of digoxin in nonagenarian patients with atrial fibrillation:lessons from the spanish Multicenter Registry

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Journal of Geriatric Cardiology 2021年第10期18卷 809-815页

作者： Pablo Domínguez-Erquicia sergio Raposeiras-Roubín Emad Abu-Assi María Cespón-Fernández David Alonso-Rodríguez santiago Jesús camacho-Freire Naiara Cubelos-Fernández Álvaro López-Masjuán Ríos María Melendo-Viu AndrésÍñiguez-Romo Department of Cardiology University HospitalÁlvaro CunqueiroVigoSpain Health Research Institute Galicia sur VigoSpain Department of Cardiology University Hospital of LeónLeónSpain Department of Cardiology University Hospital Juan Ramón JiménezHuelvaSpain

BACKGROUND The association between digoxin and mortality is an unclear *** older patients with atrial fibrillation(AF),where use of digoxin is frequent,the evidence of its safety is *** aim is to assess the safety of digoxin in nonagenarian patients with *** We evaluated data from 795 nonagenarian patients with non-valvular AF from the spanish Multicenter *** analyzed the relationship between digoxin and all-cause mortality with the Cox proportional-hazards *** Follow-up was 27.7±18.3 *** age was 92.5±3.8 years,and 71%of nonagenarian patients were *** was not associated with increased risk of mortality[adjusted hazard ratio(aHR)=1.16,95%CI:0.96−1.41,P=0.130].However,we found a significant increase in mortality in the subgroup with estimated glomerular filtration rate(eGFR)subgroups of eGFR(30−59 mL/min per 1.73 m^(2) and≥60 mL/min per 1.73 m^(2)).When exploring the risk of mortality according to sex,male subgroup was associated with an in-crease in mortality(aHR=1.48,95%CI:1.02−2.14,P=0.041).This was not observed in females subgroup(aHR=1.03,95%CI:0.81−1.29,P=0.829).Based on the presence or absence of heart failure,we did not find significant differences(aHR=1.20,95%CI:0.87−1.65,P=0.268 ***=1.15,95%CI:0.90−1.47,P=0.273,respectively).CONCLUsIONs In our large registry of nonagenarian patients with AF,we did not find an association between digoxin and mortality in the total ***,in the subgroup analyses,we found an increase in mortality with the use of digoxin in men and in patients with an eGFR<30 mL/min per 1.73 m^(2).

关键词： patients digoxin fibrillation

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有工业价值的等离子体炬:工艺现状

江苏锅炉 2021年第3期 34-48,10页

作者： s.L.camacho 杨宜科(译) 等离子体能源公司美国不详

等离子体弧炬当今被用作工业过程中的独突加热工具。在全世界各种生产装备和实验性设备中使用等离子体炬都表明非常有益。这种用途广、质量轻、可控的高焙值、可选择气氛的热源的成功表现正在获得新的应用。现代工业受益于等离子体加热... 详细信息

等离子体弧炬当今被用作工业过程中的独突加热工具。在全世界各种生产装备和实验性设备中使用等离子体炬都表明非常有益。这种用途广、质量轻、可控的高焙值、可选择气氛的热源的成功表现正在获得新的应用。现代工业受益于等离子体加热,这种成熟的加热技术将会衍生更多的效益。等离子体炬可有许多不同的型式。单炬功率为20KW至60MW。功率处于低端及高端的等离子体加热器均用于在大学及国家科研实验室进行基础性的科学研究。工业部门则侧重于其寿命及经济性,所采用的等离子体炬功率为20KW至8MW。出于经济上的原因,等离子体系统的工作寿命是很重要的。在工业过程中所使用的等离子体炬,其连续或累积的工作寿命必须能达到许多小时或许多周,而不像在加利福尼亚的美国国家航空和航天管理局(NAsA)Amec研究中心用于重返大气层模拟加热的60MW等离子体加热器要求的工作寿命为几分钟。本文将介绍等离子体炬的工艺现状并讨论它们的机械结构设计及工作特性。限于篇幅,本文将着重讨论热等离子体装置及其局限性。

关键词：工业部门等离子体炬等离子体加热科研实验室等离子体装置机械结构设计加热技术工艺现状

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长线束等离子弧喷枪在火法冶金中的应用

中国有色冶金 1987年第5期24卷 35-43页

作者： s.L.camacho 夏邦芝

本文叙述了有关等离子能源公司(PEC)长线束等离子弧喷枪的特性。并阐述了常用的50、150、500、1000、3500和4500千瓦规格的喷枪。现在各种规格的喷抢可能是传导电弧式或非传导电弧式的。本文还简述了等离子弧喷枪的启动和变换电源的技... 详细信息

本文叙述了有关等离子能源公司(PEC)长线束等离子弧喷枪的特性。并阐述了常用的50、150、500、1000、3500和4500千瓦规格的喷枪。现在各种规格的喷抢可能是传导电弧式或非传导电弧式的。本文还简述了等离子弧喷枪的启动和变换电源的技术。文章通过一些数字和图象来说明长线束等离子弧喷枪在火法冶金上的应用。还选用其它领域应用等离子弧喷枪的情况来进一步强调此种喷枪的优点及益处。文章还简述了等离子弧喷枪的全部加热系统的辅助设施,包括电力供应、水冷系统、供气系统、控制盘和等离子弧启动装置等。

关键词：等离子弧喷枪加热系统线束等离子束火法冶金干法冶金

sex and habitat differences in size and coloration of an amphibian’s poison glands match differential predator pressures

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Integrative Zoology 2022年第5期17卷 764-776页

作者： Francisco Javier ZAMORA-camacho Department of Phisical Chemical and Natural SystemsPablo de Olavide UniversitySevilleSpain Department of Biodiversity Ecology and EvolutionComplutense University of MadridMadridSpain

Chemical defenses are frequently accompanied by salient color patterns actively avoided by predators,a phe-nomenon referred to as ***,the production of both chemical defenses and pigments is costly,and is thus expected to be reduced under mild predator *** this work,I compared the size and coloration of parotoid glands(2 dorsal,external swollen structures that secrete toxins in toads)of male and female Epidalea calamita toads from agrosystems and from pine groves.I also quantiﬁed the predator attacks received by plas-ticine toad models,whose“parotoid glands”differed in size and color conspicuousness,exposed in each *** avoided models with large and conspicuous parotoid glands,but models in agrosystems were more of-ten *** actual toads,agrosystem and male individuals had larger parotoid glands,presumably implying greater production of chemical defenses than in pine grove and female conspeciﬁ***ﬁndings are aligned with previous research suggesting that both agrosystem toads and males in this system are subjected to a more intense predator *** between parotoid gland and dorsum coloration was greater in agrosys-tem toads.A marked internal pattern could function as an aposematic signal,which could counteract increased predator pressure.

关键词： anuran agrosystem aposematism Epidalea calamita plasticine model

Integrating time progression in ecoimmunology studies: beyond immune response intensity

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Current Zoology 2019年第2期65卷 205-212页

作者： Francisco Javier ZAMORA-camacho Department of Biological sciences Dartmouth College Hanover New Hampshire USA Department of Biogeography and Global Change Museo Nacional de Ciencias Naturales (MNCN) Spanish National Research Council (CSIC) Madrid Spain

Habitat alterations in agroecosystems may damage amphibian immune capacity. As agroecosystem extension is increasing worldwide, broader-context knowledge on the effects of agroecosystem stressful conditions on amphibian immune capacity is crucial for understanding and management of amphibian global declines. However, most studies on ecoimmunology assume synchronal amonggroup immune-response peaks, and focus on immune response after standardized time lapses, neglecting its progress!on. Herein, I compared inflamatory response short-term progression of agro ecosystem and n atural-habitat female and male n atterjack toads Epi da lea calamita, by measuri ng swelling response, once per hour, 6 h following an artificial immune challenge with innocuous antigen phytohemagglutinin. I also compared maximum magnitude of swelling response, irrespective of the moment when it was reached. Habitat differences arose only 3 h after challenge, when naturalhabitat toads showed greater swelling response. Maximum magnitude of swelling response was similar in toads from both habitats. However, agroecosystem toads showed a delayed swelling response as compared with natural-habitat conspecifics, probably as a consequenee of agroecosystem stressful conditions. such a delay suggests a weaker immune capacity, and consequently impaired anti-pathogen performance. Regarding sex, swelling response magnitude did not differ between males and females. Female swelling response peaked earlier, but that of males was more sustai ned in time, which con tradicts general across-taxa fin dings that males show impaired immune response. Interestingly, results suggest that measuring swelling response only after some standardized period following stimulation may be a simplistic approach and produce unrealistic results. Consequently, studies on ecoimmunology should implement swelling response progression in order to produce unbiased science.

关键词： agroecosystem amphibian immunocompetence natural habitat immune response progressi on

Plumbing system of Hunga Tonga Hunga Ha'apai Volcano

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Journal of Earth science 2023年第3期34卷 706-716页

作者： Román Alvarez Miguel camacho Instituto de Investigaciones en Matemáticas Aplicadas y en sistemas(IIMAs) Universidad Nacional Autónoma de MéxicoCoyoacán CDMX 04510Mexico Posgrado en Ciencias de la Tierra Universidad Nacional Autónoma de MéxicoCoyoacán CDMX 04510Mexico

The Hunga Tonga Hunga Ha’apai submarine volcano has experienced repeated eruptions in the latest *** recent one,in January 2022,released an enormous amount of energy inducing global perturbations,as tsunamis and atmospheric *** structure of the volcano is poorly understood,especially its internal ***-seated magmatic connections are difficult to define or *** use a high-resolution gravity data set obtained via satellite to calculate the Bouguer anomaly over its structure,to perform a preliminary exploration of its *** 3D gravity inversions,we find a complex plumbing system with various exhaust trajectories and multiple surface pockets of low-density material within the volcanic edifice;some appear to be associated with ring *** is in line with the report of the 2009 eruption,described as beginning from multiple *** found no signs of a magma chamber within 6 km depth,although several volcanic conduits are identified from such depth to the *** variations occur within a plumbing conduit or may vary from one conduit to another in the same *** models yield quantitative estimates for areas of magma-water interaction,constituting a baseline to compare with structural changes to be induced in future eruptions.

关键词： Hunga Tonga Hunga Ha'apai satellite gravity data 3D inversions volcano Tofua Island