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https://www.readbyqxmd.com/read/28759450/performance-of-air-cathode-stacked-microbial-fuel-cells-systems-for-wastewater-treatment-and-electricity-production
#1
Edson Baltazar Estrada-Arriaga, Yvonne Guillen-Alonso, Cornelio Morales-Morales, Liliana García-Sánchez, Erick Obed Bahena-Bahena, Oscar Guadarrama-Pérez, Félix Loyola-Morales
Two different air-cathode stacked microbial fuel cell (MFC) configurations were evaluated under continuous flow during the treatment of municipal wastewater and electricity production at a hydraulic retention time (HRT) of 3, 1, and 0.5 d. Stacked MFC 1 was formed by 20 individual air-cathode MFC units. The second stacked MFC (stacked MFC 2) consisted of 40 air-cathode MFC units placed in a shared reactor. The maximum voltages produced at closed circuit (1,000 Ω) were 170 mV for stacked MFC 1 and 94 mV for stacked MFC 2...
July 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28728969/a-nanoporous-titanium-surface-promotes-the-maturation-of-focal-adhesions-and-the-formation-of-filopodia-with-distinctive-nanoscale-protrusions-by-osteogenic-cells
#2
Dainelys Guadarrama Bello, Aurélien Fouillen, Antonella Badia, Antonio Nanci
While topography is a key determinant of the cellular response to biomaterials the mechanisms implicated in the cell-surface interactions are complex and still not fully elucidated. In this context, we have examined the effect of nanoscale topography on the formation of filopodia, focal adhesions, and on gene expression of proteins associated with cell adhesion and sensing. Commercially pure titanium discs were treated for oxidative nanopatterning with a solution of H2SO4/H2O2 50:50 (v/v). Scanning electron microscopy and atomic force microscopy characterizations showed that this facile chemical treatment efficiently creates a unique nanoporous surface with a root-mean-square roughness of 11...
July 17, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28617052/neotomodon-alstoni-mice-present-sex-differences-between-lean-and-obese-in-daily-hypothalamic-leptin-signaling
#3
Moisés Pérez-Mendoza, Dalia Luna-Moreno, Agustín Carmona-Castro, Hugo A Rodríguez-Guadarrama, Luis M Montoya-Gómez, Mauricio Díaz-Muñoz, Manuel Miranda-Anaya
This article compared the effects of spontaneous obesity on the daily profile in the relative amount of the leptin receptor (LepRb), and its output. That is the precursor Pro-opiomelanocortin (POMC) over a 24-hour period and compared with differences in locomotion and food intake in periods of artificial light. Differences between lean and obese mice were examined, as were sex differences. Body weight, food intake and locomotor activity were monitored in freely moving lean and obese mice. Hypothalamic tissue was collected at 5 h, 10 h, 15 h, 19 h and 24 h...
June 15, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28587203/effect-of-n-3-polyunsaturated-fatty-acid-supplementation-on-metabolic-and-inflammatory-biomarkers-in-type-2-diabetes-mellitus-patients
#4
M Gorety Jacobo-Cejudo, Roxana Valdés-Ramos, Ana L Guadarrama-López, Rosa-Virgen Pardo-Morales, Beatriz E Martínez-Carrillo, Laurence S Harbige
BACKGROUND: Type 2 diabetes mellitus (T2DM) is accompanied by chronic low-grade inflammation, with an imbalance in the secretion of adipokines and, worsening insulin resistance. Supplementation with n-3 PUFA in T2DM decreases inflammatory markers, the purpose of the study was to investigate the effect of n-3 PUFA supplementation on adipokines, metabolic control, and lipid profile in T2DM Mexican adults. METHODS: In a randomized, single-blind, placebo-controlled pilot study, 54 patients with T2DM received 520 mg of DHA + EPA-enriched fish-oil (FOG) or a placebo (PG) daily...
June 3, 2017: Nutrients
https://www.readbyqxmd.com/read/28551213/betalains-and-phenolic-compounds-profiling-and-antioxidant-capacity-of-pitaya-stenocereus-spp-fruit-from-two-species-s-pruinosus-and-s-stellatus
#5
Leticia García-Cruz, Montserrat Dueñas, Celestino Santos-Buelgas, Salvador Valle-Guadarrama, Yolanda Salinas-Moreno
Pitaya fruits (Stenocereus spp.) contain betalains and phenolic compounds that have not been completely characterized. Fruits of two ecotypes of S. pruinosus, red-fleshed (SpR) and orange-fleshed (SpO), and two of S. stellatus, red-fleshed (SsR) and white-fleshed (SsW), were characterized in their betalains and phenolic compounds. The chromatographic profile of betalains was similar in SpR, SpO, and SsR, where indicaxanthin, gomphrenin I, phyllocacthin, and their isomers predominated. Betaxanthins content was higher than betacyanins and ranged from 17,706...
November 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28546574/corrigendum-a-study-of-allelic-diversity-underlying-flowering-time-adaptation-in-maize-landraces
#6
J Alberto Romero Navarro, Martha Wilcox, Juan Burgueño, Cinta Romay, Kelly Swarts, Samuel Trachsel, Ernesto Preciado, Arturo Terron, Humberto Vallejo Delgado, Victor Vidal, Alejandro Ortega, Armando Espinoza Banda, Noel Orlando Gómez Montiel, Ivan Ortiz-Monasterio, Félix San Vicente, Armando Guadarrama Espinoza, Gary Atlin, Peter Wenzl, Sarah Hearne, Edward S Buckler
No abstract text is available yet for this article.
May 26, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28507635/salivary-immunoglobulin-gene-expression-in-patients-with-caries
#7
Gema Regina Guadarrama Santín, Angel Visoso Salgado, Norma Margarita Montiel Bastida, Isaías de la Rosa Gómez, Jonnathan Guadalupe Santillán Benítez, Hugo Mendieta Zerón
BACKGROUND: Immunoglobulins mediate the host's humoral immune response are expressed in saliva. AIM: To quantify the FcαR, FcγRIIB, and FcαμR gene expression in the saliva of Mexican patients with caries in mixed and permanent dentition. SUBJECTS AND METHODS: This was a comparative cross-sectional study. mRNA was isolated from 200 μL of saliva following the RNA III Tissue Fresh-frozen protocol of the MagNA Pure LC Instrument 2.0 (Roche Diagnostics GmbH, Nederland BV) and the FcαR, FcαμR and FcγRIIB were quantified through TaqMan Assays...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28465094/enhancement-of-vp6-immunogenicity-and-protective-efficacy-against-rotavirus-by-vp2-in-a-genetic-immunization
#8
D V Lopez-Guerrero, N Arias, L Gutierrez-Xicotencatl, L Chihu-Amparan, A González, A Pedroza-Saavedra, G Rosas-Salgado, J C Villegas-Garcia, O Badillo-Godinez, G Fernandez, S Lopez, F Esquivel-Guadarrama
VP2/VP6 virus like particles (VLPs) are very effective in inducing protection against the rotavirus infection in animal models. Individually, VP6 can also induce protection. However, there is no information about the immunogenicity of VP2. The aim of this work was to evaluate the efficacy of DNA vaccines codifying for VP2 or VP6, alone or combined, to induce protection against the rotavirus infection. Murine rotavirus VP2 and VP6 genes were cloned into the pcDNA3 vector. Adult BALB/c mice were inoculated three times by intramuscular (i...
April 29, 2017: Vaccine
https://www.readbyqxmd.com/read/28389163/-integration-of-the-nursing-process-in-the-electronic-health-record-in-an-university-hospital
#9
D Guadarrama-Ortega, P Delgado-Sánchez, M Martínez-Piedrola, E M López-Poves, M Acevedo-García, C Noguera-Quijada, J L Camacho-Pastor
AIM: To describe the process of implementation of Individualized Care Plan in the Electronic Health Record and its impact on the University Hospital Alcorcón Foundation. METHODOLOGY: Working groups of staff nurses who analyzed activities usually performed to create a catalog of diagnoses, outcomes and interventions. A group of referents that refined the catalog to make it manageable was created. A training plan, nursing assessment forms and the Nursing Discharge Report were designed...
April 4, 2017: Revista de Calidad Asistencial: Organo de la Sociedad Española de Calidad Asistencial
https://www.readbyqxmd.com/read/28253282/identification-of-extensive-drug-resistant-pseudomonas-aeruginosa-strains-new-clone-st1725-and-high-risk-clone-st233
#10
Pamela Aguilar-Rodea, Gerardo Zúñiga, Benjamín Antonio Rodríguez-Espino, Alma Lidia Olivares Cervantes, Ana Estela Gamiño Arroyo, Sarbelio Moreno-Espinosa, Daniela de la Rosa Zamboni, Briceida López Martínez, María Del Carmen Castellanos-Cruz, Israel Parra-Ortega, Verónica Leticia Jiménez Rojas, Juan Carlos Vigueras Galindo, Norma Velázquez-Guadarrama
Several microorganisms produce nosocomial infections (NIs), among which Pseudomonas aeruginosa stands out as an opportunist pathogen with the capacity to develop multiresistance to first-choice antibiotics. From 2007 to 2013, forty-six NIs produced by P. aeruginosa were detected at a pediatric tertiary care hospital in Mexico with a significant mortality rate (17.39%). All isolates (n = 58/46 patients) were characterized by evaluating their response to several antibiotics as panresistant (PDR), extensively resistant (XDR), multiresistant (MDR) or sensitive (S)...
2017: PloS One
https://www.readbyqxmd.com/read/28166591/search-of-the-p-m918t-mutation-in-the-ret-oncogene-in-mexican-adult-patients-with-medullary-thyroid-carcinoma
#11
Erika Ruiz-Garcia, Silvia Vidal-Millan, Alicia Lopez-Yañez, José Antonio Posada Torres, Jorge Alberto Guadarrama-Orozco, Leonardo Saul Lino-Silva, Abelardo Meneses-Garcia, Horacio Astudillo-de la Vega, Martin Granados Garcia
Inherited mutations in the RET proto-oncogene, which encodes a receptor tyrosine kinase, predispose individuals to the multiple endocrine neoplasia type 2 (MEN 2) cancer syndromes. The major component tumor of these syndromes is medullary thyroid carcinoma (MTC). To date, somatic mutations in RET have been identified in tumors from individuals with MEN 2 finding. RET M918T mutation is present in 95% of the MEN2B cases, and approximately 50% of sporadic MTCs harbor this mutation. We performed a mutational analysis in 17 cases of Medullary thyroid carcinoma, the somatic missense mutation at codon 918 of RET was found in 2 of the 17 MTCs, and one case presented MEN2 phenotype including MTC...
April 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28166212/a-study-of-allelic-diversity-underlying-flowering-time-adaptation-in-maize-landraces
#12
J Alberto Romero Navarro, Martha Willcox, Juan Burgueño, Cinta Romay, Kelly Swarts, Samuel Trachsel, Ernesto Preciado, Arturo Terron, Humberto Vallejo Delgado, Victor Vidal, Alejandro Ortega, Armando Espinoza Banda, Noel Orlando Gómez Montiel, Ivan Ortiz-Monasterio, Félix San Vicente, Armando Guadarrama Espinoza, Gary Atlin, Peter Wenzl, Sarah Hearne, Edward S Buckler
Landraces (traditional varieties) of domesticated species preserve useful genetic variation, yet they remain untapped due to the genetic linkage between the few useful alleles and hundreds of undesirable alleles. We integrated two approaches to characterize the diversity of 4,471 maize landraces. First, we mapped genomic regions controlling latitudinal and altitudinal adaptation and identified 1,498 genes. Second, we used F-one association mapping (FOAM) to map the genes that control flowering time, across 22 environments, and identified 1,005 genes...
March 2017: Nature Genetics
https://www.readbyqxmd.com/read/28119080/allopregnanolone-promotes-proliferation-and-differential-gene-expression-in-human-glioblastoma-cells
#13
Carmen J Zamora-Sánchez, Valeria Hansberg-Pastor, Ivan Salido-Guadarrama, Mauricio Rodríguez-Dorantes, Ignacio Camacho-Arroyo
Allopregnanolone (3α-THP) is one of the main reduced progesterone (P4) metabolites that is recognized as a neuroprotective and myelinating agent. 3α-THP also induces proliferation of different neural cells. It has been shown that P4 favors the progression of glioblastomas (GBM), the most common and aggressive primary brain tumors. However, the role of 3α-THP in the growth of GBMs is unknown. Here, we studied the effects of 3α-THP on the number of cells, proliferation and gene expression in U87 cell line derived from a human GBM...
January 22, 2017: Steroids
https://www.readbyqxmd.com/read/28069520/conditioned-medium-from-persistently-rsv-infected-macrophages-alters-transcriptional-profile-and-inflammatory-response-of-non-infected-macrophages
#14
Evelyn Rivera-Toledo, Iván Salido-Guadarrama, Mauricio Rodríguez-Dorantes, Laura Torres-González, Carlos Santiago-Olivares, Beatriz Gómez
Cells susceptible to persistent viral infections undergo important changes in their biological functions as a consequence of the expression of viral gene products that are capable of altering the gene expression profile of the host cell. Previously, we reported that persistence of the RSV genome in a mouse macrophage cell line induces important alterations in cell homeostasis, including constitutive expression of IFN-β and other pro-inflammatory cytokines. Here, we postulated that changes in the homeostasis of non-infected macrophages could be induced by soluble factors secreted by persistently RSV- infected macrophages...
January 6, 2017: Virus Research
https://www.readbyqxmd.com/read/28035155/effect-of-gelatinized-flour-fraction-on-thermal-and-rheological-properties-of-wheat-based-dough-and-bread
#15
H Carrillo-Navas, A Y Guadarrama-Lezama, E J Vernon-Carter, S García-Díaz, I Reyes, J Alvarez-Ramírez
This work considered gelatinized wheat flour fraction with properties similar to hydrocolloid to enhance the strength of dough network by improving water retention and rheological characteristics. The gelatinized (90 °C) fraction of the wheat flour was incorporated in the dough formulation at different levels (5, 10, and 20% w/w). The effects of the gelatinized flour (GF) fraction on the dough rheology and thermal properties were studied. The incorporation of GF induced a moderate increase of dough viscoelasticity and reduced the freezing and melting enthalpies...
November 2016: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28026017/chemical-characterization-and-in-vitro-colonic-fermentation-of-grape-pomace-extracts
#16
Irene Gil-Sánchez, Begoña Ayuda-Durán, Susana González-Manzano, Celestino Santos-Buelga, Carolina Cueva, M Angeles Martín-Cabrejas, Marisa Sanz-Buenhombre, Alberto Guadarrama, M Victoria Moreno-Arribas, Begoña Bartolomé
BACKGROUND: Currently, there is growing interest in extracts derived from winery by-products because of their beneficial health properties, which are associated with the presence of bioactive compounds. In this paper, we have carried out the chemical characterization and in vitro colonic fermentation of four grape pomace (GP) extracts rich in polyphenols and dietary fibre. RESULT: Firstly, phenolic and dietary fibre composition of the GP extracts was determined...
December 27, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28017482/presence-of-environmental-coagulase-positive-staphylococci-their-clonal-relationship-resistance-factors-and-ability-to-form-biofilm
#17
Norma Velázquez-Guadarrama, Alma L Olivares-Cervantes, Eva Salinas, Leticia Martínez, Magdalena Escorcia, Ricardo Oropeza, Irma Rosas
Coagulase-positive staphylococci (CoPS) are opportunistic pathogens carrying various mechanisms of resistance that have a large number of virulence factors, and whose ability to induce illness is associated with the host. This study aimed to investigate the presence of environmental coagulase-positive staphylococci, their susceptibility profile, clonal relationship and ability to form biofilm. The 16S rRNA genes from CoPS isolates were analyzed, and their antibiotic susceptibility was evaluated using the agar dilution method in accordance with Clinical and Laboratory Standards Institute guidelines...
December 22, 2016: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/27987718/a-two-step-synthetic-strategy-to-obtain-a-water-soluble-derivative-of-curcumin-with-improved-antioxidant-capacity-and-in-vitro-cytotoxicity-in-c6-glioma-cells
#18
José M Landeros, Fernando Belmont-Bernal, Alma Teresa Pérez-González, Mario Israel Pérez-Padrón, Patricia Guevara-Salazar, Irma Gabriela González-Herrera, Patricia Guadarrama
A novel water-soluble derivative of curcumin (Cur-[G-2]-OH) was designed and synthesized from accessible raw materials in only two steps with an overall yield of 80%. The modification of curcumin phenol groups with second-generation polyester dendrons (dendronization) as a strategy to achieve an optimal hydrophilic/hydrophobic balance allows the complete water solubilization of the new curcumin derivative (5mg/ml) at room temperature. The therapeutic potential of Cur-[G-2]-OH was investigated in terms of antioxidant capacity, intracellular uptake and cytotoxicity in both rat glioblastoma cells and normal human dermal fibroblasts...
February 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27975667/anti-inflammatory-activity-and-chemical-composition-of-croton-ciliatoglandulifer
#19
L Díaz Peralta, M Y Rios, A B Aguilar-Guadarrama, J J Acevedo Fernández
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27975597/anxiolytic-like-effects-of-brickellia-cavanillesii-and-their-bioactive-compounds-nicotiflorin-and-acacetin-in-experimental-models-in-mice
#20
G M Avila-Villarreal, B Aguilar-Guadarrama, P Castillo-España, M E González-Trujano, C Villalobos Azucena Ibeth, S Estrada-Soto
No abstract text is available yet for this article.
December 2016: Planta Medica
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