Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12104/41926
Title: Highly hydrophobic wood surfaces prepared by treatment with atmospheric pressure dielectric barrier discharges
Author: García-Ortiz, J.E.
Sandoval-Ramirez, L.
Rangel-Villalobos, H.
Maldonado-Torres, H.
Cox, S.
García-Sepulveda, C.A.
Figuera, L.E.
Marsh, S.G.E.
Little, A.M.
Madrigal, J.A.
Moscoso, J.
Arnaiz-Villena, A.
Arguello, J.R.
Issue Date: 2006
Abstract: We describe for the first time the high-resolution profiling of HLA-A, -B, -C, -DRB1, -DQB1 and -DPB1 in a culturally and geographically distinct Mexican ethnic group, the Tarahumaras. The alleles most frequently found by reference strand-mediated conformational analysis in this population were for class I: HLA-A*240201, *020101/09, *0206, *310102, *680102; HLA-B*4002, *1501, *510201, *3501/02/03, *4005, *4801; HLA-Cw*0304, *0801, *0102, *040101; and for class II: HLA-DRB1*080201, *1402, *040701; HLA-DQB1*0402, *0301, *0302/07; HLA-DPB1*0402, *0401, *020102. In addition, a novel allele, HLA-A*0257, was found. Based on comparison of presently known HLA-DRB1 and -DQB1 allele frequencies in Amerindian groups and worldwide populations, the Tarahumaras are unexpectedly more related to the geographically and linguistically distant Aymara and Terena Amerindian groups than they are to neighbouring tribes. " 2006 The Authors.",,,,,,"10.1111/j.1399-0039.2006.00636.x",,,"http://hdl.handle.net/20.500.12104/41926","http://www.scopus.com/inward/record.url?eid=2-s2.0-33747198504&partnerID=40&md5=708deb2f425261c7da37e7db2c2e017f",,,,,,"2",,"Tissue Antigens",,"135
146",,"68",,"Scopus
WOS",,,,,,"Amerindian; HLA alleles; MHC; RSCA; Tarahumara",,,,,,"High-resolution molecular characterization of the HLA class I and class II in the Tarahumara Amerindian population",,"Article" "43714","123456789/35008",,"Bañuelos Pineda, J., Departament of Medicine Veterinary, University of Guadalajara, Carretera Guadalajara-Nogales, Zapopan, Jalisco 45110, Mexico; Nolasco-Rodríguez, G., Departament of Medicine Veterinary, University of Guadalajara, Carretera Guadalajara-Nogales, Zapopan, Jalisco 45110, Mexico; Monteon, J.A., Departament of Medicine Veterinary, University of Guadalajara, Carretera Guadalajara-Nogales, Zapopan, Jalisco 45110, Mexico; García López, P.M., Departament of Botanic and Zoology, University of Guadalajara, Carretera Guadalajara-Nogales, Zapopan, Jalisco 45110, Mexico; Ruiz Lopez, M.A., Departament of Botanic and Zoology, University of Guadalajara, Carretera Guadalajara-Nogales, Zapopan, Jalisco 45110, Mexico; García Estrada, J., Research Biomedical of Western Center, Mexican Institute of Social Security, Mexico, Mexico",,"Banuelos Pineda, J.
Nolasco-Rodriguez, G.
Monteon, J.A.
García Lopez, P.M.
Ruiz Lopez, M.A.
García Estrada, J.",,"2005",,"The effects of the intracerebroventricular (ICV) administration of crude extracts of lupin quinolizidine alkaloids (LQAs) were studied in adult rat brain tissue. Mature L. exaltatus and L. montanus seeds were collected in western Mexico, and the LQAs from these seeds were extracted and analyzed by capillary gas chromatography. This LQA extract was administered to the right lateral ventricle of adult rats through a stainless steel cannula on five consecutive days. While control animals received 10 ?l of sesame oil daily (vehicle), the experimental rats (10 per group) received 20 ng of LQA from either L. exaltatus or from L. montanus. All the animals were sacrificed 40 h after receiving the last dose of alkaloids, and their brains were removed, fixed and coronal paraffin sections were stained with haematoxylin and eosin. Immediately after the administration of LQA the animals began grooming and suffered tachycardia, tachypnea, piloerection, tail erection, muscular contractions, loss of equilibrium, excitation, and unsteady walk. In the brains of the animals treated with LQA damaged neurons were identified. The most frequent abnormalities observed in this brain tissue were "red neurons" with shrunken eosinophilic cytoplasm, strongly stained pyknotic nuclei, neuronal swelling, spongiform neuropil, "ghost cells" (hypochromasia), and abundant neuronophagic figures in numerous brain areas. While some alterations in neurons were observed in control tissues, unlike those found in the animals treated with LQA these were not significant. Thus, the histopathological changes observed can be principally attributed to the administration of sparteine and lupanine present in the alkaloid extracts.",,,,,,,,,"http://hdl.handle.net/20.500.12104/41935","http://www.scopus.com/inward/record.url?eid=2-s2.0-27144533957&partnerID=40&md5=85cf88b3c0fabeac93c910dfd8df4e39",,,,,,"4",,"Histology and Histopathology",,"1147
1153",,"20",,"Scopus
WOS",,,,,,"Brain damage; Lupaine; Quinolizidine alkaloids; Sparteine; Wild lupines",,,,,,"Histological evaluation of brain damage caused by crude quinolizidine alkaloid extracts from lupines",,"Article" "43703","123456789/35008",,"Toriz, G., Wood, Cellulose and Paper Research Department, University of Guadalajara, Km 15.5 Carretera Guadalajara-Nogales, Zapopan, Jalisco 45110, Mexico; Gutiérrez, M.G., Wood, Cellulose and Paper Research Department, University of Guadalajara, Km 15.5 Carretera Guadalajara-Nogales, Zapopan, Jalisco 45110, Mexico; González-Alvarez, V., Department of Chemical Engineering, University of Guadalajara, Blvd. Marcelino García Barragán 1421, Guadalajara, Jalisco 44430, Mexico; Wendel, A., Biopolymer Technology, Department of Chemical and Biological Engineering, Chalmers University of Technology, SE 41296 Goteborg, Sweden; Gatenholm, P., Biopolymer Technology, Department of Chemical and Biological Engineering, Chalmers University of Technology, SE 41296 Goteborg, Sweden; Martínez-Gómez, A.D.J., Wood, Cellulose and Paper Research Department, University of Guadalajara, Km 15.5 Carretera Guadalajara-Nogales, Zapopan, Jalisco 45110, Mexico, Department of Chemical Engineering, University of Guadalajara, Blvd. Marcelino García Barragán 1421, Guadalajara, Jalisco 44430, Mexico",,"Toriz, G.
Gutierrez, M.G.
Gonzalez-Alvarez, V.
Wendel, A.
Gatenholm, P.
Martinez-Gomez, A.D.J.",,"2008",,"Atmospheric dielectric barrier discharge (DBD) treatments of wood were done to attain water repellency on wood surfaces. A specially designed frequency controlled parallel-plate DBD reactor was utilized to produce the discharges. Ethylene, methane, chlorotrifluoroethylene and hexafluoropropylene were used as DBD reagents. Contact angle, water absorption, X-ray photoelectron spectroscopy (XPS) and atomic force microscopy (AFM) measurements on the modified surfaces were performed. For methane and ethylene, XPS data showed an increased surface atomic concentration of carbon from 72.7% on untreated samples up to 80.7 and 96%, respectively, whereas nearly 50% fluorine concentration was observed with fluorinated reagents. The C1s spectrum of hexafluoropropylene-DBD- treated wood sample showed that the CF3 group was introduced in a relative amount of 19%. AFM images showed distinct features for each of the DBD treatments, such as a deposit of a thin uniform film in the case of ethylene-DBD treatment, whereas the hexafluoropropylene-DBD treatment resulted in the nucleation of plasma-derived entities at the fiber surface and the subsequent growth of a film. Under optimized conditions the water contact angle was in the range of 139 -145 . The combination of depositing a low surface energy polymer on an already rough surface gave the surface-treated wood a highly hydrophobic character. " 2008 VSP.
URI: http://hdl.handle.net/20.500.12104/41924
http://www.scopus.com/inward/record.url?eid=2-s2.0-68949136942&partnerID=40&md5=c230e697eb6a5d8fc6d96511dc0651af
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