Gráinne Gilmore, Andrew Robson, Sister Helen Prejean, Janice Turner, Victor Fainberg, Johnny Davis, Bel Mooney, Yepoka Yeebo, Amanda Ursell, Simon Barnes, Simon Hills, John Mulvey, Lyudmila Alekseeva, Bernard-Henri LÉvy, Carol Midgley, Melissa Katsoulis, Lucia Van Der Post, Geoff Brown, Elena Kudimova, Lord Judd, Alexei Simonov, Jack Malvern, Dominic Walsh, Aidan White, Elisabeth Rehn, José María Olazábal, Robert Thomson, Helen Monks, Elizabeth Kostova, Jenny MacArthur, Baroness Kennedy, Ben Machell, Sophie Harris, Andrew Ellson Personal Finance Editor, Tina Gaudoin, Steve Hall, Marie Helvin, Helen Rumbelow, Jonathan Sacks, Lucy Sweeney, Tim Teeman, Oliver Kay, Stephen Anderton, Martin Johnson, Ariel Dorfman, Pete Paphides, Jane Fearnley-Whittingstall, Christina Koning, Nicholas Noe, Suzi Godson, Rupert Penry-Jones, Matthew Pryor, Kate Saunders, John Mayer, Rebecca O'connor, Margaret Reynolds, Lord Rea, Nigel Kendall, Jo Darke, Noam Chomsky, Matthew Parris, Mark Bridge, George Caulkin, Lewis Hyde, Russell Jenkins, Caitlin Moran, Iain Finlayson, Peter Riddell, Ben MacIntyre, Mike Atherton, Ben Webster, David Hutcheon, Meg Wolitzer, Baroness Meacher, Anna Shepard, Rick Broadbent Athletics Correspondent, Martin Amis, John Sweeney, Natasha Kandic, Bill Edgar, Michael Evans, Lisa Tuttle, Wangari Maathai, Asma Jahangir, Amit Chaudhurl, Martiin Samuel Chief Football Correspondent, Charles Saumarez Smith, Patrick Rothfuss, Sarah Urwin Jones, Julia Brookes, Severiano Ballesteros, David Cordingly, Clive Davis, Sergey Kovalyov, Richard Hobson One-Day Cricket Correspondent, Elizabeth Judge, Gabrielle Starkey, Patrick Kidd, Graham Stewart, Polly Beard, Elizabeth Frank, Robin Pagnamenta, Caroline Hendrie, Terry Waite, CBE, Harold Pinter, Mitchell Platts, Nancy Durrant, Lord Giddens, Siobhan Kennedy, Francis Elliott, Dan Sabbagh Media Editor, Eve Ensler, Mike Pattenden, Victoria Segal, Tim Reid, Libby Purves, Chris Riley, Heidi Bradner, Phoebe Greenwood, John D. Panitza, Alan Hamilton, Steve Harries, Anne Corbett, Gloria Steinem, Martin Symington, Will Lawrence, Professor Yakin Erturk, Dan Whitcombe, Ed Potton, Ross Clark, Victor Navasky, Mark Henderson Science Editor, John Westerby, Holly Near, Simon de Bruxelles, Magnus Grimond, Gabriel Rozenberg, Anne Nivat, Jeremy Page, Rick Jones, Erica Wagner, Roger Boyes, Marina Litvinenko, Owen Slot Chief Sports Reporter, David Hands Rugby Correspondent, Paul Simons, Steve Jelbert, Dominic Kennedy, Richard Ehrlich, Mel Webb, Dominic Maxwell, David Madel, Elena Bonner, Philip Webster, Stella Rimington, Mark Henderson, Tom McCarthy, Julian Bell, Jody Williams, Ashling O'Connor, Benedict Nightingale, Dr Thomas Stuttaford, Stephen Dalton, Richard Morrison, Simon Herbert, Henry Malt, Philip Oltermann, Olav Bjortomt, Baroness Williams, Peter Ryde, Christopher Irvine, Marianne Gray, Jane MacQuitty, David Hills, Sandra Smith, Sandra Hebron, Robert Lindsay, Peter Kinsley, Jane Knight, Tony Turnbull, Philip Howard, Ben Hoyle Arts Reporter, Rachel Campbell-Johnston, Martin Aston, Kevin Eason, Michael Young, Edward Fuller, Tatiana Yankelevich, Chris Griggs, Deborah Haynes, Tom Bawden, Ruth Gledhill, Gary Jacob, Dubravka Ugresic, Tom Charity, Virginia Nicholson, Daniel Finkelstein, Rosemary Bennett, Dalya Alberge Arts Correspondent, Jo Morris, Irène Némirovsky, Rhys Blakely, Jonathan Schell, Charles Bremner, Ron Lewis, James Mottram, Sir Alexander Macara Chairman, Bincho Yakitori, Aggie MacKenzie, Philip Perry, President Vaclav Havel, Sarah Vine, Mark Atherton, Jane Wheatley, Rick Broadbent, Sally Baker, Jane Knight Deputy Travel Editor, David Baddiel, Rob Wright, Stuart Miles, Edward Gorman Motor Racing Correspondent, Raymond Keene, Luke Leitch, Rebecca O'Connor, Patrick Hosking, Robert Elms, Marcus Leroux, David Mattin, Kenneth Denby, Nick Hasell, Thomasina Miers, Kevin Maher, Tom Dart, Archbishop Desmond Tutu, Nicholas Clee, Joanna Pitman, Robert Crampton, Steve Hawkes, Lord Ahmed, Sir Sigmund Sternberg Honorary Life President, Alan Franks, Sister Marya Grathwohl, Neil Fisher, Michael Austin, Richard Beeston, John Naish, Martin Waller, Chris Ayres, Louise Cohen, Rigoberta MenchÚ Tum, Ellen Khouri, Judith Heywood Deputy Property Editor, Susan Sarandon, Alan Lee Racing Correspondent, Betty Williams, Mariane Pearl, Will Hide, Miles Costello, Giles Smith, Christina Hardyment, Terry Pratchett, Zahid Hussain, John Chave Secretary, The Hon Zbigniew Brzezinski, Brian Selznick, Mark Souster, Clare Lazaro, Gillian Slovo, Simon Cambers, David Chater, Chris Harding, Vladimir Bukovsky, Matthew Michael Carnahan, Michael Cunningham, Andre Glucksmann, Wendy Ide, John Bungey, Lucy Bannerman, Chris Sullivan, Desmond O'malley, Andrew Norfolk, Giles Coren, Vivienne Parry, Sathnam Sanghera, Ray Price Chairman, Ben Webster Transport Correspondent, Mairead Maguire, John H. Hanson, Vinny Lee, Cathy Shelbourne, Sue Townsend, Debra Craine, G. Cummings, Ian Beck, Allan Simmons, Ruth Gledhill Religion Correspondent, Rodney Legg, Richard Ford Home Correspondent, Nick Wyke, Stuart McGurk, Jonathan Richards, Lisa Armstrong Fashion Editor, Derwent May, Kate Muir, Tom Whitwell, David Kitchen, Lisa Armstrong, Tom Baldwin, John Hopkins, Craig Tregurtha, Mark Stratton, Adam Sage, Felipe Fernández-Armesto, Katrina Vanden Heuvel, Esther Chavez, Gordon Ramsay, Roger Phillips, Fran Yeoman, Meglena Kuneva, Jill Sherman, Paul Bentley, Hattie Garlick, Laura Deeley, Damian Whitworth, Ross Leckie, Vanessa Redgrave, James Charles, Peter Dixon, Marek Edelman, Ruth Scurr, Paul Chesters, Philip Webster Political Editor, Lewis Stuart, Caroline McCormick, Ben Hoyle, James Christopher, Robert Cole Personal Investor, Shirin Ebadi, Mike Mitchell, John Sharpe, Alan Jackson, Alex Bellos,
... Factfile Classic Finals Niclas Fasth Anders Hansen Factfile Andrés Romero Soren Hansen Factfile Classic Finals HSBC Index ...
2007 - Gale Group | TDA
... throughout the nineteenth century. Besides Rodríguez, Alicia Hernández Chávez, Andrés Reséndez, Robert H. Duncan, William H. Beezley, Brian ...
Tópico(s): Politics and Society in Latin America
2006 - Duke University Press | Hispanic American Historical Review
Produção Nacional
Revisado por pares
Wesley Dáttilo, Nathalia Barrozo‐Chávez, Andrés Lira‐Noriega, Roger Guevara, Fabricio Villalobos, Diego Santiago‐Alarcón, Frederico S. Neves, Thiago J. Izzo, Sérvio Pontes Ribeiro,
Traditionally, most studies have described the organization of host-parasite interaction networks by considering only few host groups at limited geographical extents. However, host-parasite relationships are merged within different taxonomic groups and factors shaping these interactions likely differ between host and parasite groups, making group-level differences important to better understand the ecological and evolutionary dynamics of these interactive communities. Here we used a dataset of 629 ...
Tópico(s): Parasite Biology and Host Interactions
2020 - Wiley | Journal of Animal Ecology
Eliana Buenaventura, César Valverde-Castro, Marta Wolff, Omar Triana‐Chávez, Andrés Gómez‐Palacio,
The first step for a successful use of any insect as indicator in forensic sciences is providing a precise taxonomic identification at species level. Due to morphology-based identification of Sarcophaginae flies (Diptera, Sarcophagidae) is often difficult and requires strong taxonomic expertise, their use as forensic indicators has been limited. Consequently, molecular-based approaches have been accepted as alternative means of identification. Thus, we aimed testing the efficiency of the barcode ...
Tópico(s): Insect behavior and control techniques
2018 - Elsevier BV | Acta Tropica
Jeiczon Jaimes-Dueñez, Omar Triana‐Chávez, Andrés F. Holguin-Rocha, Alberto Tobón-Castaño, Ana María Mejía‐Jaramillo,
Babesia bigemina and B. bovis are two economically important hemoparasites affecting both cattle and buffaloes involved in dairy and beef production. In Colombia, although some parasitological and serological studies suggest an endemicity of these pathogens in areas under 1000 m, little is known about its molecular prevalence in different host. The objective of this study was to estimate the prevalence and molecular traits of these parasites in cattle and buffaloes from two Colombian regions. Between ...
Tópico(s): Viral Infections and Vectors
2018 - BioMed Central | Parasites & Vectors
Roberto O. Chávez, Andrés Moreira‐Muñoz, Mauricio Galleguillos, Matías Olea, Juan David Gonzalez Aguayo, Abigail J. Latin, Isabella Aguilera‐Betti, Ariel A. Muñoz, Hermann Manríquez,
The “blooming desert”, or the explosive development and flowering of ephemeral herbaceous and some woody desert species during years with abnormally high accumulated rainfall, is a spectacular biological phenomenon of the hyper-arid Atacama Desert (northern Chile) attracting botanists, ecologists, geo-scientists, and the general public from all over the world. However, the number of “blooming deserts”, their geographical distribution and spatio-temporal patterns have not been quantitatively assessed ...
Tópico(s): Tree-ring climate responses
2018 - Elsevier BV | International Journal of Applied Earth Observation and Geoinformation
Jeiczon Jaimes-Dueñez, Omar Triana‐Chávez, Andrés Felipe Valencia Hernández, Diana Cristina Sánchez Arévalo, Alba Miriam Poche-Ceballos, José Ortíz-Álvarez, Ana María Mejía‐Jaramillo,
Surra disease is a zoonosis caused by Trypanosoma (Trypanozoon) evansi, a salivary trypanosome, originally from Africa, which affects a wide range of mammalian worldwide. Dogs are highly susceptible to T. evansi infection and they often exhibit strong clinical signs than can lead to death, even within weeks in untreated acute cases. The present survey is the first report through clinical, parasitological and molecular approaches, of two fatal cases of T. evansi in Colombian dogs. After analysing ...
Tópico(s): Parasitic Infections and Diagnostics
2017 - Elsevier BV | Preventive Veterinary Medicine
Jeiczon Jaimes-Dueñez, Sair Arboleda, Omar Triana‐Chávez, Andrés Gómez‐Palacio,
Background Aedes aegypti is the primary vector of the four serotypes of dengue virus (DENV1-4), Chikungunya and yellow fever virus to humans. Previous population genetic studies have revealed a particular genetic structure among the vector populations in the Americas that suggests differences in the ability to transmit DENV. In Colombia, despite its high epidemiologic importance, the genetic population structure and the phylogeographic depiction of Ae. aegypti, as well as its relationship with the ...
Tópico(s): Insect symbiosis and bacterial influences
2015 - Public Library of Science | PLoS neglected tropical diseases
Diego Santos-García, Carlos Vargas-Chávez, Andrés Moyá, Amparo Latorre, Francisco J. Silva,
Whiteflies are important agricultural insect pests, whose evolutionary success is related to a long-term association with a bacterial endosymbiont, Candidatus Portiera aleyrodidarum. To completely characterize this endosymbiont clade, we sequenced the genomes of three new Portiera strains covering the two extant whitefly subfamilies. Using endosymbiont and mitochondrial sequences we estimated the divergence dates in the clade and used these values to understand the molecular evolution of the endosymbiont ...
Tópico(s): Entomopathogenic Microorganisms in Pest Control
2015 - Oxford University Press | Genome Biology and Evolution
Gerardo Suzán, Gabriel E. García‐Peña, Iván Castro-Arellano, Oscar Rico‐Chávez, André V. Rubio, María J. Tolsá, Benjamín Roche, Parviez R. Hosseini, Annapaola Rizzoli, Kris A. Murray, Carlos Zambrana‐Torrelio, Marion Vittecoq, Xavier Bailly, A. Alonso Aguirre, Peter Daszak, Anne‐Hélène Prieur‐Richard, James N. Mills, Jean‐François Guégan,
Abstract The potential for disease transmission at the interface of wildlife, domestic animals and humans has become a major concern for public health and conservation biology. Research in this subject is commonly conducted at local scales while the regional context is neglected. We argue that prevalence of infection at local and regional levels is influenced by three mechanisms occurring at the landscape level in a metacommunity context. First, (1) dispersal, colonization, and extinction of pathogens, ...
Tópico(s): Animal Disease Management and Epidemiology
2015 - Wiley | Ecology and Evolution
Sebastián Pérez Díaz, Francisco Panzera, Nicolás Jaramillo, Ruben Pérez, Rosina Fernández, Gustavo Adolfo Vallejo, Azäel Saldaña, José E. Calzada, Omar Triana‐Chávez, Andrés Gómez‐Palacio,
The Rhodnius Pacific group is composed of three species: Rhodnius pallescens, R. colombiensis and R. ecuadoriensis, which are considered important vectors of trypanosomes (Trypanosoma cruzi and T. rangeli) infecting humans. This group is considered as a recent trans-Andean lineage derived from the widespread distributed sister taxa R. pictipes during the later uplift of northern Andes mountain range. The widest spread species R. pallescens may be a complex of two divergent lineages with different ...
Tópico(s): Parasite Biology and Host Interactions
2014 - Public Library of Science | PLoS ONE
Martín Iglesias, Andrea Ortega-Rojo, Miriam N. García-Álvarez, Florencia Vargas-Vorácková, Alberto Manuel González-Chávez, Mario Andrés González-Chávez, Patricia Butrón, Karen Pineda‐Solís,
Few reports about body contouring surgery after massive weight loss (MWL) have been produced in the developing countries. As Mexico is considered a developing country, we performed a retrospective analysis of medical records of patients who underwent this type of surgery to evaluate their demographic characteristics as well as their outcomes and complications. Results from 684 patients with MWL, 69 (10%) had abdominoplasty; the type of abdominoplasty influenced the operative time, bleeding, and complications ( ...
Tópico(s): Lymphatic System and Diseases
2011 - Lippincott Williams & Wilkins | Annals of Plastic Surgery
Claudia Arango-Galván, Brenda De la Torre-González, René E. Chávez, Andrés Tejero‐Andrade, Gerardo Cifuentes‐Nava, Esteban Hernández-Quintero,
La mayor parte de la zona urbana de la Cuenca de México está construida sobre los sedimentos de los antiguos lagos de Chalco, Xochimilco, México, Texcoco, Xaltocan y Zumpango, lo cual ofrece poca resistencia a las obras civiles que se asientan sobre ella. Adicionalmente, los requerimientos para el abastecimiento de agua potable para la población han generado la sobreexplotación de los acuíferos, exacerbando el fenómeno de subsidencia y el colapso de edificios, unidades habitacionales y caminos. ...
Tópico(s): Geological and Tectonic Studies in Latin America
2011 - National Autonomous University of Mexico | Geofísica Internacional
Produção Nacional
Revisado por pares
Simone Gonçalves Moretto, Nilton Azambuja, Victor E. Arana‐Chavez, André Figueiredo Reis, Marcelo Giannini, Carlos Eduardo, Patrícia Moreira de Freitas,
Abstract Dentin irradiation with erbium lasers has been reported to alter the composite resin bond to this treated surface. There is still a lack of studies reporting the effect of erbium lasers on dentin organic content and elucidating how laser treatment could interfere in the quality of the resin–dentin interface. This study aimed to evaluate the effect of erbium laser irradiation on dentin morphology and microtensile bond strength (μTBS) of an adhesive to dentin. Seventy‐two dentin disks were ...
Tópico(s): Dental Erosion and Treatment
2010 - Wiley | Microscopy Research and Technique
Hélène Gaillard, Cristina Tous, Javier Botet, Cristina González‐Aguilera, Maria Quintero, Laia Viladevall, María L. García-Rubio, Alfonso Rodríguez‐Gil, Antonio Marín García, Joaquı́n Ariño, José Luis Revuelta, Sebastián Chávez, Andrés Aguilera,
RNA polymerases frequently deal with a number of obstacles during transcription elongation that need to be removed for transcription resumption. One important type of hindrance consists of DNA lesions, which are removed by transcription-coupled repair (TC-NER), a specific sub-pathway of nucleotide excision repair. To improve our knowledge of transcription elongation and its coupling to TC-NER, we used the yeast library of non-essential knock-out mutations to screen for genes conferring resistance ...
Tópico(s): CRISPR and Genetic Engineering
2009 - Public Library of Science | PLoS Genetics
José I. Piruat, Sebastián Chávez, Andrés Aguilera,
We provide genetic evidence that HRS1/PGD1, a yeast gene previously identified as a suppressor of the hyper-recombination phenotype of hpr1, has positive and negative roles in transcriptional regulation. We have analyzed three differently regulated promoters, GAL1, PHO5 and HSP26, by beta-galactosidase assays of lacZ-fused promoters and by Northern analysis of the endogenous genes. Transcription of these promoters was derepressed in hrs1delta mutants under conditions in which it is normally repressed ...
Tópico(s): RNA and protein synthesis mechanisms
1997 - Oxford University Press | Genetics
Sebastián Chávez, Andrés Aguilera,
The yeast HPR1 gene plays an important role in genome stability, as indicated by the observation that hpr1 mutants have high frequencies of DNA repeat recombination and chromosome loss. Here we report that HPR1 is required for transcriptional elongation. Transcription driven from constitutive and regulated yeast promoters cannot elongate through the bacterial lacZ coding region in hpr1Δ cells, but progresses efficiently through other sequences such as yeast PHO5. We show that HPR1 is not required ...
Tópico(s): Genomics and Chromatin Dynamics
1997 - Cold Spring Harbor Laboratory Press | Genes & Development
Deepak Thrithamarassery Gangadharan, David A. Valverde-Chávez, Andrés‐Felipe Castro‐Méndez, Vivek Prakash, Ricardo Izquierdo, Carlos Silva, Dongling Ma, Juan‐Pablo Correa‐Baena,
The commercial feasibility of perovskite solar cells (PSCs) is not guaranteed as long as lead (Pb) is present in the active material, halide perovskites. Mixed halide tin (Sn)-based alloyed perovskites with optimal band gaps ranging from 1.15 to 3.55 eV are excellent alternatives to Pb-based perovskites. In this work, we find that the addition of a bulky phenylethyl ammonium (PEA) cation in the precursor solution leads to an improved solar cell performance and optoelectronic properties. A prolonged ...
Tópico(s): Chalcogenide Semiconductor Thin Films
2021 - American Chemical Society | ACS Applied Energy Materials
René E. Chávez, Andrés Tejero‐Andrade, Gerardo Cifuentes‐Nava, Denisse L. Argote, Esteban Hernández-Quintero,
Currently, archaeologists perform excavations determined by previous geophysical studies to accurately establish the prospective targets and minimize site disturbance. Among others, one of the methods most widely employed is the Electrical Resistivity Tomography (ERT-2D, -3D). However, investigation of the subsoil of archaeological buildings is not possible to carry out with traditional geophysical methods, because the structure itself prevents it. Therefore, it is necessary to design non-invasive ...
Tópico(s): Earthquake Detection and Analysis
2018 - Nature Portfolio | Scientific Reports
Produção Nacional
Revisado por pares
Gérson Ferrari, Juan Guzmán-Habinger, Javiera L. Chávez, André O. Werneck, Danilo R. Silva, Irina Kovalskys, Georgina Gómez, Attilio Rigotti, Lilia Yadira Cortés, Martha Cecilia Yépez García, Rossina G. Pareja, Marianella Herrera‐Cuenca, Clemens Drenowatz, Carlos Cristi‐Montero, Adilson Marques, Miguel Peralta, Ana Carolina Barco Leme, Mauro Fisberg,
Active transportation is a crucial sort of physical activity for developing sustainable environments and provides essential health benefits. This is particularly important in Latin American countries because they present the highest burden of non-communicable diseases relative to other worldwide regions. This study aimed to examine the patterns of active transportation and its association with sociodemographic inequities in Latin American countries.This cross-sectional study was conducted in eight ...
Tópico(s): Physical Activity and Health
2021 - BioMed Central | International Journal for Equity in Health
Produção Nacional
Revisado por pares
Octavio Córdova‐Chávez, André Aptroot, Gonzalo Castillo-Camposa, Marcela Eugenia da Silva Cáceres, Rosa Emilia Pérez‐Pérez,
The following new lichen species are described: Astrothelium coccineum, with ascomata immersed in groups in pseudostromata that are red outside and yellow pigmented inside, ostioles black, and ascospores 3-septate, 25-30 × 10-12.5 µm. Micarea viridicapitata, with olive green thallus with many pale green globose soredia and brown ascomata that are often in botryose groups, and ascospores bacillar with rounded ends, (l-)3-septate, ( 11-) 15-17 × 3-3.5 µm. Protoparmelia microspore, a corticolous Protoparmelia ...
Tópico(s): Botany and Plant Ecology Studies
2014 - | Cryptogamie Mycologie
Miguel García‐Grimshaw, Santa Elizabeth Ceballos‐Liceaga, Laura E. Hernández‐Vanegas, Isaac Núñez, Noé Hernández-Valdivia, Daniel Amado Carrillo-García, Anaclara Michel‐Chávez, Javier Andrés Galnares‐Olalde, Guillermo Carbajal‐Sandoval, María del Mar Saniger‐Alba, Roger Carrillo‐Mezo, Sergio Fragoso-Saavedra, Alba Espino-Ojeda, Carlos Blaisdell-Vidal, Juan Luis Mosqueda-Gómez, Juan Sierra‐Madero, Rogelio Pérez‐Padilla, José Luis Alomía-Zegarra, Hugo López‐Gatell, José Luis Díaz‐Ortega, Gustavo Reyes‐Terán, Antonio Araúz, Sergio Iván Valdés‐Ferrer,
mRNA vaccines against SARS-CoV-2 are remarkably effective. Limited information exists about the incidence of adverse events following immunization (AEFI) with their use. We conducted a prospective observational study including data from 704,003 first-doses recipients; 6536 AEFI were reported, of whom 65.1% had at least one neurologic AEFI (non-serious 99.6%). Thirty-three serious events were reported; 17 (51.5%) were neurologic (observed frequency, 2.4/100,000 doses). At the time of writing this report, ...
Tópico(s): Long-Term Effects of COVID-19
2021 - Elsevier BV | Clinical Immunology
Andrés Chávez‐Salazar, Cristina I. Álvarez‐Barreto, Javier D. Hoyos‐Leyva, Luís A. Bello‐Pérez, Francisco Javier Castellanos Galeano,
In the production of starch, the drying process is a unit operation that can affect its functional properties; however, there is scarce information about the effect of dying process on modified starches such as OSA (2-octenyl-succinic anhydride) plantain starch. The modified starch was dried by convection (50 °C) and spray drying (Ti = 150 °C). The physicochemical, morphological, functional and digestibility characteristics of the samples were assessed. The gelatinized samples showed an increase in the ...
Tópico(s): Phytase and its Applications
2021 - Elsevier BV | LWT
Javier D. Hoyos‐Leyva, Andrés Chávez‐Salazar, Francisco Javier Castellanos Galeano, Luís A. Bello‐Pérez, José Álvarez‐Ramírez,
Taro starch spherical aggregates are potential wall material for microencapsulation of biocompounds. The present work considered microencapsulation of l-ascorbic acid into taro starch spherical aggregates. Physical and chemical characteristics of microcapsules, as well as their stability were assessed. SEM images showed spherical microcapsules produced by the aggregation of starch granules. The range Dx50 of the particle size distribution was 14.5 μm for microcapsules and 18.7 μm for taro starch ...
Tópico(s): Proteins in Food Systems
2018 - Elsevier BV | Food Hydrocolloids
Long He, Ana P. Gomes, Xin Wang, Sang Oh Yoon, Gina Lee, Michal J. Nagiec, Sungyun Cho, Andre Chavez, Tasnia Islam, Yonghao Yu, John M. Asara, Bo Yeon Kim, John Blenis,
The mammalian Target of Rapamycin Complex 1 (mTORC1)-signaling system plays a critical role in the maintenance of cellular homeostasis by sensing and integrating multiple extracellular and intracellular cues. Therefore, uncovering the effectors of mTORC1 signaling is pivotal to understanding its pathophysiological effects. Here we report that the transcription factor forkhead/winged helix family k1 (Foxk1) is a mediator of mTORC1-regulated gene expression. Surprisingly, Foxk1 phosphorylation is increased ...
Tópico(s): Ubiquitin and proteasome pathways
2018 - Elsevier BV | Molecular Cell
Gina Lee, Yu-Xiang Zheng, Sungyun Cho, Cholsoon Jang, Christina England, Jamie M. Dempsey, Yonghao Yu, Xiaolei Liu, Long He, Paola Cavaliere, Andre Chavez, Erik Zhang, Meltem Isik, Anthony D. Couvillon, Noah Dephoure, T. Keith Blackwell, Jane Yu, Joshua D. Rabinowitz, Lewis C. Cantley, John Blenis,
mTORC1 is a signal integrator and master regulator of cellular anabolic processes linked to cell growth and survival. Here, we demonstrate that mTORC1 promotes lipid biogenesis via SRPK2, a key regulator of RNA-binding SR proteins. mTORC1-activated S6K1 phosphorylates SRPK2 at Ser494, which primes Ser497 phosphorylation by CK1. These phosphorylation events promote SRPK2 nuclear translocation and phosphorylation of SR proteins. Genome-wide transcriptome analysis reveals that lipid biosynthetic enzymes ...
Tópico(s): Lipid metabolism and biosynthesis
2017 - Cell Press | Cell
Cruz Ángel Figueroa‐Torres, José Luis Medina‐Monroy, Humberto Lobato‐Morales, Ricardo A. Chavez‐Perez, Andrés Calvillo Téllez,
ABSTRACT In this article, a novel structure of a planar monopole antenna for Super Wide‐band applications is proposed. The structure is based on the complementary Sierpinski triangle surrounded by two semi‐circular sectors. The ground plane of the antenna has been modified including some slots to improve the operating bandwidth and coupling. The simulated and experimental results show that the antenna achieves a ratio impedance bandwidth >15:1 (from 1.68 to 26 GHz) for S 11 ≤ −10dB. © 2017 Wiley Periodicals, ...
Tópico(s): Advanced Antenna and Metasurface Technologies
2017 - Wiley | Microwave and Optical Technology Letters
Andrés Chávez‐Salazar, Luís A. Bello‐Pérez, Edith Agama‐Acevedo, Francisco Javier Castellanos Galeano, Cristina I. Álvarez‐Barreto, Glenda Pacheco‐Vargas,
Banana starch is resistant to hydrolysis by digestive enzymes due to its structure and dietary fibre content. Starch was isolated from the following three cultivars of Colombian Musaceae: Gros Michel (dessert), Dominico Harton and FHIA 20 (cooking); also, the amylose and amylopectin contents, morphology of the granules, thermal properties, pasting, molecular characteristics and digestibility were determined. The total starch content, amylose content and digestibility (gelatinized starch) were higher ...
Tópico(s): Phytase and its Applications
2017 - Elsevier BV | International Journal of Biological Macromolecules
Freddy Contreras, María de Fátima Gonçalves Sánchez, María Sofía Martínez, Mervin Chávez-Castillo, Andres Mindiola, Valmore Bermúdez, Manuel Velasco,
Patients with Diabetes Mellitus (DM) can actively participate in the management of this disease, with therapeutic education playing an essential role in the optimization of knowledge, resources and skills required to achieve targets of metabolic control, reduce the onset of acute and chronic complications, and preserve quality of life. In this context, the management of DM becomes a holistic endeavor, by promoting the reasonable use of therapeutic resources by the patient's themselves-involving self- ...
Tópico(s): Chronic Disease Management Strategies
2017 - | Medical & Clinical Reviews
Francisco E. Rangel-Patiño, José L. Chávez‐Hurtado, Andrés Viveros-Wacher, José E. Rayas‐Sánchez, Nagib Hakim,
There is an increasingly higher number of mixed-signal circuits within microprocessors. A significant portion of them corresponds to high-speed input/output (HSIO) links. Post-silicon validation of HSIO links is critical to provide a release qualification decision. One of the major challenges in HSIO electrical validation is the physical layer (PHY) tuning process, where equalization techniques are typically used to cancel any undesired effect. Current industrial practices for PHY tuning in HSIO links ...
Tópico(s): Advanced Multi-Objective Optimization Algorithms
2017 - IEEE Microwave Theory and Techniques Society | IEEE Transactions on Microwave Theory and Techniques