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Gonzalez-Cabrera Jaime,Moreno-Carrillo Gabriel,Lopez-Juarez Alejandro A.,Anguiano-Amezcua Juan A.,Sanchez-Gonzalez Jorge A.,Mendoza-Ceballos Mario Y.,Arredondo-Bernal Hugo C. 한국응용곤충학회 2023 Journal of Asia-Pacific Entomology Vol.26 No.2
Two colonies of the parasitoid Trichopria drosophilae (Perkins) (Hymenoptera: Diapriidae) are reproduced using a mass rearing approach in Mexico. The first colony uses the worldwide commercial host Drosophila melanogaster Meigen (Diptera: Drosophilidae) reared on an artificial diet (=T. drosophilae-Dm), while the second colony uses D. suzukii Matsumura reared on fresh banana (=T. drosophilae-Ds). Since theoretically the type of colony host affects parasitoid field performance, we conducted concatenated laboratory and field studies of both parasitoid lines. In the laboratory trials, T. drosophilae-Ds exhibited greater longevity, larger adult size, and higher fecundity than T. drosophilae-Dm. Both lines of parasitoids oviposited indistinctly in three drosophilid species commonly found in the berry zones of Colima: D. melanogaster, D. suzukii, and Zaprionus indianus Gupta. In the field trials, T. drosophilae-Ds had a larger population size and provided 2.4-fold higher pest reduction compared to T. drosophilae-Dm. Under the particular conditions of these field trials (berry fields separate from each other ≤ 3 km, and intensive agronomic management), these results demonstrate that T. drosophilae-Ds can significantly contribute more to the integrated management of D. suzukii than when reared on the commercial host D. melanogaster.
Observation de sites de rencontre en ligne: Réflexion théorico-méthodologique
Felipe TELLO,Jaime Gonzalez 고려대학교 응용문화연구소 2019 에피스테메 Vol.0 No.22
Le présent article établit une réflexion au niveau théorique et méthodologique sur les sites de rencontre en ligne en tant que sujet d'étude. En qualité de contexte social émergeant, les nouvelles technologies de la communication et de l'information fournissent un nouveau domaine d'étude pour l’ethnographie. Le travail est fondé sur une étude de cas autour des interactions symboliques affectives destinées à « l'amour romantique », sur un ensemble de sites de rencontre en ligne sélectionnés préalablement. On conclut qu'observer ce champ analytique exige de définir clairement les sujets d'étude, autant depuis la construction de l'objet, que depuis la définition des méthodes de recherche et d'analyse.
Image and Learning : Opioid-induced Lower Esophageal Sphincter Dysfunction
( Esteban Saez Gonzalez ),( Vicente Ortiz Bellver ),( Francia Carolina Diaz Jaime ),( Juan Antonio Ortuno Cortes ),( Vicente Garrigues Gil ) 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 2015 Journal of Neurogastroenterology and Motility (JNM Vol.21 No.4
( Dixie May ),( Jose F Calderon ),( Victor M Gonzalez ),( Martin Montano ),( Alejandro Plascencia ),( Jaime Salinas-chavira ),( Noemi Torrentera ),( Richard A Zinn ) 한국동물자원과학회(구 한국축산학회) 2014 한국축산학회지 Vol.56 No.14
Two trials were conducted to evaluate the influence of supplemental urea withdrawal on characteristics of digestion (Trial 1) and growth performance (Trial 2) of feedlot cattle during the last 40 days on feed. Treatments consisted of a steam-flaked corn-based finishing diet supplemented with urea to provide urea fermentation potential (UFP) of 0, 0.6, and 1.2%. In Trial 1, six Holstein steers (160 ± 10 kg) with cannulas in the rumen and proximal duodenum were used in a replicated 3 × 3 Latin square experiment. Decreasing supplemental urea decreased (linear effect, P ≤ 0.05) ruminal OM digestion. This effect was mediated by decreases (linear effect, P ≤ 0.05) in ruminal digestibility of NDF and N. Passage of non-ammonia and microbial N (MN) to the small intestine decreased (linear effect, P = 0.04) with decreasing dietary urea level. Total tract digestion of OM (linear effect, P = 0.06), NDF (linear effect, P = 0.07), N (linear effect, P = 0.04) and dietary DE (linear effect, P = 0.05) decreased with decreasing urea level. Treatment effects on total tract starch digestion, although numerically small, likewise tended (linear effect, P = 0.11) to decrease with decreasing urea level. Decreased fiber digestion accounted for 51% of the variation in OM digestion. Ruminal pH was not affected by treatments averaging 5.82. Decreasing urea level decreased (linear effect, P ≤ 0.05) ruminal N-NH and blood urea nitrogen. In Trial 2, 90 crossbred steers (468 kg ± 8), were used in a 40 d feeding trial (5 steers/pen, 6 pens/ treatment) to evaluate treatment effects on final-phase growth performance. Decreasing urea level did not affect DMI, but decreased (linear effect, P ≤ 0.03) ADG, gain efficiency, and dietary NE. It is concluded that in addition to effects on metabolizable amino acid flow to the small intestine, depriving cattle of otherwise ruminally degradable N (RDP) during the late finishing phase may negatively impact site and extent of digestion of OM, depressing ADG, gain efficiency, and dietary NE.
Serrano-Olvera, Alberto,Cetina, Lucely,Coronel, Jaime,Duenas-Gonzalez, Alfonso Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.20
Purpose: This study aimed to determine the patterns of follow-up visits for cervix cancer in a national cancer center in Mexico. Materials and Methods: The National Cancer Institute of Mexico is cancer center with 119 beds that mostly cares for an underserved and socially disadvantaged population. The medical records of cases of cervical cancer that had at least one year of clinical follow-up after being in complete response at the end of primary treatment were analyzed. We recorded the numbers of total and yearly follow-up visits and these were compared with the number of follow-up visits recommended by the National Comprehensive Cancer Network 2013, version 2 for cervical cancer. Results: Between March and June 2007, the medical records of 96 consecutive patients were reviewed. Twenty (21%) of these met inclusion criteria and were selected. In the first year the median number of visits was 11 (4-20). In the ensuing years, $2^{nd}$, $3^{rd}$, $4^{th}$ and $5^{th}$, the number of analyzed patients remaining in follow-up decreased to 17, 14, 13 and 9 respectively. There were 462 follow-up visits to primary treating services (Gynecology Oncology, Radiation Oncology and Medical Oncology) as compared to 220 suggested by the NCCN guidelines ($X^2$ test p<0.0001). There were 150 additional visits to other services. Conclusions: Our results suggest that in our institution there is an overuse of oncological services by cervical cancer patients once treatment is completed.
May, Dixie,Calderon, Jose F.,Gonzalez, Victor M.,Montano, Martin,Plascencia, Alejandro,Salinas-Chavira, Jaime,Torrentera, Noemi,Zinn, Richard A. Korean Society of Animal Sciences and Technology 2014 한국축산학회지 Vol.56 No.4
Two trials were conducted to evaluate the influence of supplemental urea withdrawal on characteristics of digestion (Trial 1) and growth performance (Trial 2) of feedlot cattle during the last 40 days on feed. Treatments consisted of a steam-flaked corn-based finishing diet supplemented with urea to provide urea fermentation potential (UFP) of 0, 0.6, and 1.2%. In Trial 1, six Holstein steers ($160{\pm}10kg$) with cannulas in the rumen and proximal duodenum were used in a replicated $3{\times}3$ Latin square experiment. Decreasing supplemental urea decreased (linear effect, $P{\leq}0.05$) ruminal OM digestion. This effect was mediated by decreases (linear effect, $P{\leq}0.05$) in ruminal digestibility of NDF and N. Passage of non-ammonia and microbial N (MN) to the small intestine decreased (linear effect, P = 0.04) with decreasing dietary urea level. Total tract digestion of OM (linear effect, P = 0.06), NDF (linear effect, P = 0.07), N (linear effect, P = 0.04) and dietary DE (linear effect, P = 0.05) decreased with decreasing urea level. Treatment effects on total tract starch digestion, although numerically small, likewise tended (linear effect, P = 0.11) to decrease with decreasing urea level. Decreased fiber digestion accounted for 51% of the variation in OM digestion. Ruminal pH was not affected by treatments averaging 5.82. Decreasing urea level decreased (linear effect, $P{\leq}0.05$) ruminal N-NH and blood urea nitrogen. In Trial 2, 90 crossbred steers ($468kg{\pm}8$), were used in a 40 d feeding trial (5 steers/pen, 6 pens/treatment) to evaluate treatment effects on final-phase growth performance. Decreasing urea level did not affect DMI, but decreased (linear effect, $P{\leq}0.03$) ADG, gain efficiency, and dietary NE. It is concluded that in addition to effects on metabolizable amino acid flow to the small intestine, depriving cattle of otherwise ruminally degradable N (RDP) during the late finishing phase may negatively impact site and extent of digestion of OM, depressing ADG, gain efficiency, and dietary NE.
Decreased Esophageal Sensitivity to Acid in Morbidly Obese Patients: A Cause for Concern?
( Vicente Ortiz ),( Diego Alvarez-sotomayor ),( Esteban Saez-gonzalez ),( Francia Carolina Diaz-jaime ),( Marisa Iborra ),( Julio Ponce ),( Vicente Garrigues ) 대한간학회 2017 Gut and Liver Vol.11 No.3
Background/Aims: To evaluate esophageal sensitivity to acid between morbidly obese (MO) patients and non-MO controls with abnormal esophageal acid exposure. Methods: We conducted a cross-sectional study of 58 patients: 30 MO (cases) and 28 non-MO (controls). Esophageal symptoms and esophageal sensitivity to 0.1 M hydrochloric acid solution (Bernstein test) were compared between MO and non- MO patients with a prior diagnosis of abnormal esophageal acid exposure. Results: MO patients were less symptomatic than non-MO controls (14% vs 96%; odds ratio [OR], 0.006; 95% confidence interval [CI], 0.001 to 0.075; p=0.000). MO patients were more likely to present with decreased esophageal sensitivity to the instillation of acid than non-MO controls (57% vs 14%; OR, 8; 95% CI, 1.79 to 35.74; p=0.009). Subgroup analysis revealed no differences in esophageal sensitivity in MO patients with and without abnormal esophageal acid exposure (43% vs 31%; p=0.707). Conclusions: Silent gastroesophageal reflux disease (GERD) is common among MO individuals, likely due to decreased esophageal sensitivity to acid. The absence of typical GERD symptoms in these patients may delay discovery of precancerous conditions, such as Barrett`s esophagus. We believe that these patients may require a more aggressive diagnostic work-up to rule out the presence of silent GERD. (Gut Liver 2017;11:358-362)
Bandala, Cindy,De la Garza-Montano, Paloma,Cortes-Algara, Alfredo,Cruz-Lopez, Jaime,Dominguez-Rubio, Rene,Gonzalez-Lopez, Nelly Judith,Cardenas-Rodriguez, Noemi,Alfaro-Rodriguez, A,Salcedo, M,Floriano Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.18
Background: Breast cancer (BCa) is the most common malignancy in Mexican women. A set of histopathological markers has been established to guide BCa diagnosis, prognosis and treatment. Nevertheless, in only a few Mexican health services, such as that of the Secretariat of National Defense (SEDENA for its acronym in Spanish), are these markers commonly employed for assessing BCa. The aim of this study was to explore the association of Ki67, TP53, HER2/neu, estrogenic receptors (ERs) and progesterone receptors (PRs) with BCa risk factors. Materials and Methods: Clinical histories provided background patient information. Immunohistochemical (IHC) analysis was conducted on 48 tissue samples from women diagnosed with BCa and treated with radical mastectomy. The Chi square test or Fisher exact test together with the Pearson and Spearman correlation were applied. Results: On average, patients were $58{\pm}10.4$ years old. It was most common to find invasive ductal carcinoma (95.8%), histological grade 3 (45.8%), with a poor Nottingham Prognostic Index (NPI; 80.4%). ERs and PRs were associated with smoking and alcohol consumption, metastasis at diagnosis and Ki67 expression (p<0.05). PR+ was also related to urea and ER+ (p<0.05). Ki67 was associated with TP53 and elevated triglycerides (p<0.05), and HER2/neu with ER+, the number of pregnancies and tumor size (p<0.05). TP53 was also associated with a poor NPI (p<0.05) and CD34 with smoking (p<0.05). The triple negative status (ER-/PR-/HER2/neu-) was related to smoking, alcohol consumption, exposure to biomass, number of pregnancies, metastasis and a poor NPI (p<0.05). Moreover, the luminal B subty was associated with histological type (p=0.007), tumor size (p=0.03) and high cholesterol (p=0.02). Conclusions: Ki67, TP53, HER2/neu, ER and PR proved to be related to several clinical and pathological factors. Hence, it is crucial to determine this IHC profile in women at risk for BCa. Certain associations require further study to understand physiological/biochemical/molecular processes.
Design of Two-Stage Class AB CMOS Buffers: A Systematic Approach
Antonio Lopez Martin,Jose Maria Algueta Algueta,Lucia Acosta,Jaime Ramirez-Angulo,Ramon Gonzalez Carvajal 한국전자통신연구원 2011 ETRI Journal Vol.33 No.3
A systematic approach for the design of two-stage class AB CMOS unity-gain buffers is proposed. It is based on the inclusion of a class AB operation to class A Miller amplifier topologies in unity-gain negative feedback by a simple technique that does not modify quiescent currents, supply requirements, noise performance, or static power. Three design examples are fabricated in a 0.5 μm CMOS process. Measurement results show slew rate improvement factors of approximately 100 for the class AB buffers versus their class A counterparts for the same quiescent power consumption (< 200 μW).
Establishment of the Latin American Soil Information System Case Colombia - IRAKA
Araujo-Carrillo Gustavo Alfons,Martinez-Maldonado Fabio Ernes,Varon-Ramirez Viviana Marcela,Gomez-Latorre Douglas Andres,Estupinan-Casallas Jhon Mauric,Silva-Arero Elias Alexander,Gonzalez-Jaimes Edua 한국토양비료학회 2019 한국토양비료학회 학술발표회 초록집 Vol.2019 No.8