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Effect of Senescence Retardants on the Quality of Persian Lime Fruits

Phyton-International Journal of Experimental Botany 2024年第8期93卷 1805-1818页

作者： Rafael Ariza-Flores Rafael Ambriz-Cervantes Pedro Cadena-Iñiguez Luis A.Gálvez-Marroquín Miguel A.Cano-García National Institute of Forestry Agriculture and Livestock Research(INIFAP)South Pacific Regional CenterSanto Domingo Barrio BajoVilla de EtlaOaxaca68200México National Institute of Forestry Agriculture and Livestock Research(INIFAP)Zacatepec Research StationZacatepecMorelos62780México National Institute of Forestry Agriculture and Livestock Research(INIFAP)Central Chiapas Research StationOcozocoautlaChis29140México National Institute of Forestry Agriculture and Livestock Research(INIFAP)Oaxaca Central Valley Research StationSanto Domingo Barrio BajoVilla de EtlaOaxaca68200México

The objective of this study consisted of evaluating the effect of the application of chitosan(Q),1-methylcyclopropene(1-MCP)under two controlled temperatures on some physical,physiological,and chemical parameters contributing to the quality of Persian lime Citrus latifolia *** treatments were evaluated,resulting from the combination of four senescence retardant applications(Q,1-MCP,1-MCP+Q,and without application)on fruits stored at two temperatures(12/20℃.Epidermis color(luminosity,chromaticity,and hue),fruit appearance,respiration,weight loss,total juice content,total soluble solids,and titratable acidity were registered during the *** results indicate that the 1-MCP and Q combination favored fruit postharvest quality conditions such as reducing respiration rate;maintaining fruit good appearance,turgidity,and brighter fruit chromaticity;fruits treated with chitosan and stored at 12℃,favored total soluble *** the other hand,Variables such as weight loss,juice content,acidity,phenols,flavonoids,antioxidant activity,and hue values were favored by a 12℃ storing temperature regardless of the *** general,the use of modified atmospheres,senescence retardants,and refrigeration as postharvest methods,can increase Persian lime shelf life.

关键词： Citrus latifolia quality conservation organic alternatives

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Reduction of the closure time of postoperative enterocutaneous fistulas with fibrin sealant

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World Journal of Gastroenterology 2010年第22期16卷 2793-2800页

作者： Jorge Avalos-González Eliseo Portilla-deBuen Caridad Aurea Leal-Cortés Abel Orozco-Mosqueda María del Carmen Estrada-Aguilar Gabriela Abigail Velázquez-Ramírez Gabriela Ambriz-González Clotilde Fuentes-Orozco Aldo Emmerson Guzmán-Gurrola Alejandro González-Ojeda Research Unit in Clinical Epidemiology High Specialized Medical Unit Surgical Research Division National Western Medical Center Department of Surgery Regional General Hospital #1 of the Mexican Institute for Social Security Avenida Héroes de Nocupetaro y Nicolás de Regules Colonia Centro Department of Pediatric Surgery Children's Hospital National Western Medical Center

AIM: To assess whether the use of fibrin sealantshortens the closure time of postoperative enterocutaneous fistulas (ECFs). METHODS: The prospective case-control study included 70 patients with postoperative ECFs with an output of 2 cm and without any local complication. They were divided into study (n = 23) and control groups (n = 47). Esophageal, gastric and colocutaneous fistulas were monitored under endoscopic visualization, which also allowed fibrin glue application directly through the external hole. Outcome variables included closure time, time to resume oral feeding and morbidity related to nutritional support. RESULTS: There were no differences in mean age, fistula output, and follow-up. Closure-time for all patients of the study group was 12.5 ± 14.2 d and 32.5 ± 17.9 d for the control group (P < 0.001), and morbidity related to nutritional support was 8.6% and 42.5%, respectively (P < 0.01). In patients with colonic fistulas, complete closure occurred 23.5 ± 19.5 d after the first application of fibrin glue, and spontaneous closure was observed after 36.2 ± 22.8 d in the control group (P = 0.36). Recurrences were observed in 2 patients because of residual disease. One patient of each group died during follow-up as a consequence of septic complications related to parenteral nutrition. CONCLUSION: Closure time was significantly reduced with the use of fibrin sealant, and oral feeding was resumed faster. We suggest the use of fibrin sealant for the management of stable enterocutaneous fistulas.

关键词： Enterocutaneous fistulas Fibrin sealant Spontaneous closure

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Factors associated with tobacco, alcohol, and other drug use among youth living in West Central Mexico

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World Journal of Psychiatry 2018年第1期8卷 33-42页

作者： Octavio Campollo Payam Sheikhattari Cesar Alvarez Jaime Toro-Guerrero Hector Sanchez Avila Fernando A Wagner Center of Studies on Alcohol and Addictions Antiguo Hospital Civil de Guadalajara Department of Medical ClinicsUniversidad de Guadalajara Prevention Sciences Research Center and School of Community Health and Policy Morgan State University Charité-Universit?tsmedizin Berlin NeuroCure Clinical Research Center School of Social Work University of Maryland

AIM To determine the prevalence of drug and substance abuse among high school students in Jalisco and its association with the severity of health, behavior and psychosocial problems in order to provide evidence for possible prevention and treatment needs. METHODS A multi-stage random sample of Jalisco high school students was given a paper-and-pencil survey based upon an adapted version of the drug use screening inventory(DUSI)(n = 24699; n = 2832). The DUSI showed adequate psychometric characteristics in this population. The statistical analyses accommodated the complex survey design with attention to unequal probability of selection and clustering of participants within schools and regions. RESULTS An estimated 44% of the students had smoked tobacco, one in five students was a current smoker, and one in four students used to smoke but had not smoked for one year or more. By contrast, 6.8% of the students reported having used marijuana, cocaine, or both. Behavioral problems, deviant peer affiliation, and troubled families were independently associated with drug use. One in two students who used tobacco or alcohol had used these drugs in the past year(46% and 54%, respectively), and one in four students who used marijuana or cocaine in their lifetime had used those drugs in the past year(28% in both cases). CONCLUSION The rates of cocaine use as well as the proportion of current users were higher than expected among high school students and indicate changing patterns of drug use in Mexico. These results corroborate that the general trend of drug use by youth in Mexico is increasing. Results from this study help us better understand the needs of at-risk youth and the need for new treatment and prevention strategies.

关键词： Tobacco Alcohol Marijuana Illegal drugs Mexico Students Epidemiology

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Rapid,Efficient and High-Performance Protocol for Agrobacterium rhizogenes-Mediated Hairy Root Transformation of the Common Bean Phaseolus vulgaris

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Advances in Bioscience and Biotechnology 2014年第4期5卷 333-339页

作者： Sanghamitra Khandual Pallavolu Maheswara Reddy Centro de Investigacion y Asistencia en Tecnologia y Diseno del Estado de Jalisco(CIATEJ) GuadalajaraMéxico The Energy and Resources Institute New DelhiIndia

A rapid, efficient and high-performance transformation protocol employing Agrobacterium rhizogenes was developed for the common bean Phaseolus vulgaris. In this study, we examined competencies of various protocols to induce and explants that respond to hairy root transformation in bean plants. Utilizing young seedlings with severed radicles/hypocotyls, we developed a highly efficient procedure for achieving hairy root transformation frequencies as high as 100% as visualized by GUS reporter gene expression system. Transgenic hairy roots in these young composite plants were susceptible to nodulation by rhizobia, and form an excellent system for high throughput genomic analysis to study root biology and endosymbiosis in common bean.

关键词： Phaseolus vulgaris Agrobacterium rhizogenes Hairy Root Transformation GUS Expression

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