Problemática: No se dispone de un diagnóstico sobre características del comercio informal, condicionado por el aspecto social de los productores y clientes, teniendo en cuenta el sexo, en las microempresas de “cachangas” de la periferia del mercado modelo en Chiclayo. El estudio se realizó durante octubre y diciembre del 2014. Las variables fueron: Variable dependiente, comercio informal; variable independiente, aspectos sociales; variable interviniente: sexo. Objetivos: Contrastar el condicionamiento del sexo de los clientes y productores sobre este comercio informal, describir las características del comercio informal de cachangas, desa-rrollada por los clientes y productores, describir las características de los aspectos sociales desarrolladas por los clientes y productores en el comercio informal de cachangas. Metodología: Se empleó como instrumento de recolección de dat...

Sapovirus is one of the primary viral causes of acute gastroenteritis (AGE), especially where rotavirus vaccination has been implemented. The characteristics and impact of natural infection at the community level, however, have not been well documented.

Problemática: No se dispone de un diagnóstico sobre características del comercio informal, condicionado por el aspecto social de los productores y clientes, teniendo en cuenta el sexo, en las microempresas de “cachangas” de la periferia del mercado modelo en Chiclayo. El estudio se realizó durante octubre y diciembre del 2014. Las variables fueron: Variable dependiente, comercio informal; variable independiente, aspectos sociales; variable interviniente: sexo. Objetivos: Contrastar el condicionamiento del sexo de los clientes y productores sobre este comercio informal, describir las características del comercio informal de cachangas, desa-rrollada por los clientes y productores, describir las características de los aspectos sociales desarrolladas por los clientes y productores en el comercio informal de cachangas. Metodología: Se empleó como instrumento de recolección de dat...

An alternative analytlcal method to the spectrophotometric method AOAC 982.01 has been developed to determine total boron in organic liquid fer1ilizers using emission spectrometry with nitrous oxide-acetylene flame in a wavelength of 249,7 nm. The method could apply to boron concentrations 0f 1,0 - 2,0 % w/w. The results showed 1% deviation to the official method.

An alternative analytlcal method to the spectrophotometric method AOAC 982.01 has been developed to determine total boron in organic liquid fer1ilizers using emission spectrometry with nitrous oxide-acetylene flame in a wavelength of 249,7 nm. The method could apply to boron concentrations 0f 1,0 - 2,0 % w/w. The results showed 1% deviation to the official method.

Esta investigación tuvo como objetivo determinar el ciclo biológico de Plutella xylostella (DBM), criada en brócoli var. Calabrese y coliflor var. Bola de nieve en condiciones de laboratorio con un promedio de 76.1 ° F y 65% RH. El apareamiento de las polillas se realizó en recipientes plásticos de un litro y las posturas se incubaron dentro de vasos de polipropileno de 200 ml, ambos cubiertos con redes. Para proporcionar suministro adecuado a las larvas, las plantas se cultivaron a cubierto para evitar la infestación de plagas. Se utilizaron hojas frescas para alimentar a las larvas hasta la pupación. Los resultados se analizaron con la prueba estadística no paramétrica de Kruskal-Wallis.Se obtuvieron los siguientes parámetros biológicos, criados con hojas de brócoli y coliflor respectivamente: período de incubación 3 días; período larvario 9,76 y 9,69 días; período d...

This study aimed to determine the composition and relative abundance of soil insects associated with lucumo (Pouteria lucuma L.) trees growing in the agricultural fields of the Universidad Nacional Agraria La Molina in Lima, Peru. In total, 12 pitfall traps were installed in a 5-ha lucumo field and samples were collected on a weekly basis for approximately 4 months (March–June). Insects in each sample were separated into morphotypes, and the number of individuals in each morphotype and date of collection were recorded. The collected insects were then identified at the Entomology Museum laboratory in Lima through comparison with museum samples and with the help of identification keys. Individuals in the orders Orthoptera (families Acrididae and Gryllidae), Dermaptera (Anisolabididae), Coleoptera (Carabidae, Staphylinidae, Tenebrionidae, Scarabaeidae and Elateridae), Blattodea (Blatellid...

Sweetpotato (Ipomoea batata L.) is an economically important crop grown in Peru. The present study aimed to determine the soil arthropods associated with sweetpotato and its relative abundance in sweetpotato production fields in La Molina, Lima, Peru. Evaluations were conducted at Universidad Nacional Agraria La Molina, from February to August 2017. Samples were collected using pitfall traps and examined at the Klaus Raven Büller Entomology Museum. Soil morphospecies were extracted and separated from collected samples and then counted, recorded and identified. They were also admitted to the Entomology Museum collection. Eighty morphospecies in the classes Collembola, Insecta, Malacostraca, Arachnida and Chilopoda of phylum Arthropoda were recorded. Within the Collembola class, Entomobryidae was the most abundant family; within Insecta, Gryllus spp. (Gryllidae); within Malacostraca, Porc...

Estrongiloidiasis es una parasitosis cuya presentación endoscópica e histológica es muy variada, se localiza principalmente en duodeno donde la larva madura a adulto hembra e induce varios patrones de reacción inflamatoria . Se revisaron todos las láminas histológicas con diagnóstico de estrongiloidiasis duodenal , y la descripción del reporte endoscópico durante un período de 6 años (enero 1999 a noviembre 2005). Los patrones endoscópicos más frecuentemente descritos fueron pliegues engrosados y de aspecto nodular, se encontró duodenitis severa (según la clasificación de Jenkins) en 57% de los casos, y atrofia de las vellosidades en todos los casos, la mayoría calificada de grado 4 (según la clasificación Drutt), las células plasmáticas no disminuyeron en las duodenitis severas, a diferencia de lo observado en duodenitis péptica. Nuestros hallazgos reflejan un mayo...

The present investigation was made with the objective of determining the response of the raspberry ‘Autumn Bliss’ autumn producer to the application of a biofertilizer (vermicompost) intercropped with lupine, under greenhouse conditions in Montecillo, Mexico. In the experiment 5 vermicompost levels were studied (0, 30, 60, 90 and 120 g pot–1) and 2 intercropping levels (with or without lupine) totalling 10 treatments and an additional treatment that consisted of chemical fertilization (N100: P80: K80). As vegetable material cold-treated adventitious buds of raspberry were used for 60 days at 5 °C. Statistically significant differences were found in the levels of vermicompost incorporated to the substrate, and levels of 60 up to 90 g pot–1 favored greater concentrations of in N and K in raspberry; and when the raspberry intercropped with lupino, permited a bigger accumulation of ...

Este trabajo se realizó con el objetivo de determinar la respuesta de la frambuesa ‘Autumn Bliss’ productora de otoño a la aplicación de un biofertilizante (vermicomposta) asociada con lupino, en condiciones de invernadero en Montecillo, México. En el ensayo se estudiaron 5 niveles de vermicomposta (0, 30, 60, 90 y 120 g maceta–1) y 2 niveles de asociación (con o sin lupino) totalizando 10 tratamientos y un tratamiento adicional que consistió de fertilización química (N100 P80 K80) . Como material vegetal se utilizaron brotes adventicios de frambuesa tratadas con frío durante 60 días a 5 °C. Se encontraron diferencias estadísticamente significativas a los niveles de vermicomposta incorporada al sustrato, y niveles de 60 hasta 90 g maceta–1 favorecieron las mayores concentraciones de N y K en frambuesa. Cuando la frambuesa se asoció con lupino, permitió una mayor acu...

La asociación entre citomegalovirus y colitis ulcerativa ha sido reportada por muchos autores , pero la explicación fisiopatológica de esta relación aún es incierta. Revisamos los casos diagnosticados como Colitis ulcerativa por el Servicio de Anatomía Patológica del Hospital Dos de Mayo, durante los años 2000 a 2005; en ellos se determinó la presencia de Citomegalovirus mediante técnicas de inmunohistoquímica, y se describió las características histológicas de nuestros casos. CMV fue identificado en 22,2% de los casos, ninguno de los cuales había recibido tratamiento inmunosupresor previo, la actividad histológica de la enfermedad se reportó en todos los casos positivos para CMV y en 42,8% de los casos negativos para CMV. La distorsión arquitectural críptica fue la característica histológica más frecuente de CU y se midió una frecuencia de colitis ulcerativa de 1,...

Objective: To determine the predictive value of integrated US study (2D, Doppler color, 3D) in the differentiation of benign and malignant ovarian tumours. Design: Longitudinal comparative study. Setting: Instituto Latinoamericano de Salud Reproductiva (ILSAR). Participants: Women with ovarían tumours referred from Hospital Nacional Dos de Mayo. Interventions: One hundred and one women with ovarian tumour diagnosis were referred to ILSAR between June 2004 and June 2008 for integrated ultrasonographic evaluation in a Voluson Expert 730 using multifrequency abdominal transductor (1,6-5,3MHz) and multifrequency endocavitary transductor (3,7-9,3 MHz); volumetric study included multiplanar assessment. Malignancy high risk was defined as the presence of 2 or more of the following criteria: more than 10 cm size, presence of vegetations or wall thickness more than 3 mm, solid areas, irregular s...

Objective: To determine the predictive value of integrated US study (2D, Doppler color, 3D) in the differentiation of benign and malignant ovarian tumours. Design: Longitudinal comparative study. Setting: Instituto Latinoamericano de Salud Reproductiva (ILSAR). Participants: Women with ovarían tumours referred from Hospital Nacional Dos de Mayo. Interventions: One hundred and one women with ovarian tumour diagnosis were referred to ILSAR between June 2004 and June 2008 for integrated ultrasonographic evaluation in a Voluson Expert 730 using multifrequency abdominal transductor (1,6-5,3MHz) and multifrequency endocavitary transductor (3,7-9,3 MHz); volumetric study included multiplanar assessment. Malignancy high risk was defined as the presence of 2 or more of the following criteria: more than 10 cm size, presence of vegetations or wall thickness more than 3 mm, solid areas, irregular s...

DNA integrity in alpaca spermatozoa was evaluated by flow cytometric analysis in sperm cryopreserved using antioxidants analogues of superoxide dismutase (Tempo and Tempol). Twelve alpaca semen samples were frozen using an extender based on skim milk, fructose, egg yolk, and ethylene glicol. Each sample was divided into three aliquots: Control group, Tempo group (1 mM), and Tempol group (1 mM). Antioxidants were added during cooling at 10 °C. After thawing, samples were fixed using 2% formaldehyde solution and permeabilizated using 0.8% Triton X-100 solution. TUNEL assay and Iodure propidium (PI) were used for evaluation of DNA integrity and cell permeability. Spermatozoa labeled with TUNEL and PI was classified as cells with DNA damaged. Samples were analyzed by flow cytometric using a 488 nm laser, counting at least 10 000 cells per sample, and by epifluorescene microscopy. Frequency ...

Se evaluó la estabilidad del ADN en espermatozoides de alpaca mediante citometría de flujo en muestras congeladas con antioxidantes análogos de superóxido dismutasa (Tempo y Tempol). Doce muestras de semen de alpaca fueron congeladas utilizando un dilutor en base a leche descremada, fructosa, yema de huevo y etilenglicol. Cada muestra fue dividida en tres porciones: grupo control, grupo Tempo (1 mM) y grupo Tempol (1 mM). Los antioxidantes fueron agregados al dilutor durante la curva de enfriamiento (10 °C). Las muestras fueron descongeladas y fijadas en una solución de formaldehido al 2% y permeabilizadas utilizando una solución de Triton X-100 al 0.8%. La integridad del ADN espermático se evaluó con la técnica de TUNEL y una sonda fluorescente para determinar la viabilidad celular (Ioduro de propidio [PI]). Los espermatozoides marcados con la sonda del TUNEL y PI fueron consi...

Overweight and obesity lead the occurrence of comorbidities such as type 2 diabetes mellitus, hypertension, anddyslipidemias. Objectives: To determine the presence of cardiovascular risk in children and adolescents overweight and obese,by gender and age groups. Design: Cross sectional study. Participants: Children and adolescents of both genders, 5-18 year-old.Interventions: Diagnosis of overweight and obesity was done according to Must et al. classification with the following criteria: 85 to 95for overweight and more than 95 percentile for obesity. Serum lipid profile, glucose and insulin were analyzed, and with the latter twoHOMA index was determined to identify insulin resistance (IR), using Matthew´s equation, the metabolic syndrome (MS) with referenceto Cook and dyslipidemias (D) with Friedman and Daniels’ suggestions. Main outcome measures: Cardiovascular risk. Results: Obesechi...

Introduction. Vitamin deficiency is being considered a public health problem. Objectives. To describe vitamin D status in female adolescents with obesity. Design. Observational, descriptive, analytical study. Location. Metropolitan Lima. Participants. Teenagers. Interventions. According to body mass index, 111 adolescents were studied, 58 were obese and 53 non-obese. A food survey was performed including those containing vitamin D and vitamin supplements. Waist circumference and blood pressure were obtained. Glucose, lipid profile and 25 hydroxyvitamin D were determined in serum. Vitamin D status was determined by Holick criteria. Statistical analysis used student-t test, chi-square and ANOVA, with a 95% confidence interval and a significance level of <0.05. Main outcome measures. Averages, confidence interval and prevalence. Results. Vitamin D deficiency (<20 ng/mL) was found in 1...

lt has been determined the some vegetable from llo valley contains lead, cadmium and cooper. Key Words: Metllurgic plants, lead, cadmium, cooper.

lt has been determined the some vegetable from llo valley contains lead, cadmium and cooper. Key Words: Metllurgic plants, lead, cadmium, cooper.