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Assistive Technologies for Supporting Elderly People at Home: Telegerontology?
P. Su?rez,J. C. Mill?n-Calenti,A. L?pez-Vilar?n,I. Gonz?lez-Abraldes,M. Villanueva-Sampayo,A. Maseda 한국노년학연구회 2010 한국 노년학연구 Vol.19 No.-
The aging of the population worldwide implies an increase in the number of cognitive impairment associated diseases in the elderly. On the other hand, the number of informal caregivers is decreasing and consequently, we must guarantee the existence of enough social and health services for all the population in the immediate future. The new technologies allow us the development of more advanced instruments for gerontological intervention for both patients and caregivers. These new systems help to prevent the lack of home assistance, and thanks to the Internet connection, we avoid the disadvantages of the geographic dispersion of the population. In this article, we describe Telegerontology?, a new home attention tool for patients and caregivers. It integrates different functionalities related to physical, cognitive and medical intervention it works like a family support thanks to the professionals/patients communication, and integrates an advanced emergency system within a domotic environment. This system improves the traditional telecare since it, actually, has more sophisticated services and a higher quality of home support.
Agrobacterium tumefaciens-mediated genetic transformation of Digitalis purpurea L.
Naivy Pe´rez-Alonso,Elio Jime´nez,Borys Chong-Pe´rez,Alina Capote,Anabel Pe´rez,Yovanny Izquierdo,Geert Angenon 한국식물생명공학회 2014 Plant biotechnology reports Vol.8 No.5
Genetic transformation is a tool of specialinterest for developing new biotechnological strategies forthe production of bio-active compounds such as cardenolides,which are exclusively obtained from plants. To date,Digitalis plants are the main economically viable source ofcardenolides for the pharmaceutical industry. This studydescribes the development of efficient plant regenerationand Agrobacterium-mediated genetic transformation protocolsfor Digitalis purpurea L. First, a plant regenerationprocedure starting from leaf segments of in vitro-cultivatedplants was established and the minimal inhibitory concentrationof G-418 (geneticin) for callus induction wasdetermined. Both leaf segments and callus tissue weresensitive to G-418 70 mg l-1. Afterwards, two Agrobacteriumstrains were used to test their T-DNA transferability on D. purpurea leaf tissues, EHA105 andC58C1RifR (pMP90), both harboring the binary vectorpTJK136. Strain C58C1RifR (pMP90) yielded a highernumber of transformed plants than EHA105. Successfultransformation was confirmed by histochemical b-glucuronidase(GUS) assays of the putative transgenic tissuesand PCR analyses using b-glucuronidase (uidA)- andneomycin phosphotransferase II (nptII)-specific primers. Southern blot hybridization confirmed the stable integrationof the nptII gene in the transgenic plants. In total, 518independent transgenic lines were regenerated with anaverage of 6.91 transgenic lines per initial leaf segmentinfected with A. tumefaciens strain C58C1RifR (pMP90). To date, only a few studies have been published on thegenetic transformation of Digitalis species. The protocolsfor plant regeneration and genetic transformation describedin this paper will contribute to functional studies for abetter understanding of cardenolide biosynthetic pathwaysand the metabolic engineering of cardenolides to develophigh-yielding improved genotypes.
J.F. Ramı´rez-Pe´ rez,R. Herna´ndez-Altamirano,J.M. Martı´nez-Magada´n,R. Cartas-Rosado,E. Soto-Castruita,R. Cisneros-Devora,L.A. Alca´ zar-Vara,R. Oviedo-Roa,V.Y. Mena-Cervantes,L.S. Zamudio-Rivera 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.45 No.-
A new class of branched geminal zwitterionic liquids (BGZLs) betaine base with a long alkyl chains witheither 8 (BGZL-ZW8) or 12 (BGZL-ZW12) carbons was synthesized and characterized by nuclearmagnetic resonance (NMR) and Fourier transform infrared (FTIR) spectroscopic techniques. The BGZLsmolecules presents functionality as viscosity reducer and wettability modifier with application inenhanced oil recovery (EOR) processes with good oil recovery factors (ORF). The above is demonstratedby performing spontaneous imbibition tests on embedded limestone cores with light and heavy crudeoils in Amott cells at high temperature (90 8C) and different concentrations of BGZLs in presence ofconnate water with high salinity and hardness (36,275 ppm as NaCl and 6700 ppm hardness as CaCO3). The rheological behavior of BGZLs was also determined as viscosity reducers in heavy crude oil atconcentrations of 2000, 1000 and 500 ppm at temperatures of 25 and 40 8C, in the range of 36.11% to25 8C and 43.31% to 40 8C. To explain the mechanism through BGZLs act as viscosity reducers, werealized theoretical studies using the density functional theory (DFT), also as wettability modifierstaking BGZL-ZW8 and BGZL-ZW12 behavior, observed in the experimental part. The interaction energiesshow that BGZLs can disaggregate asphaltene (Asph) dimmer (Asph:Asph) by the formation ofsupramolecular sandwich complex (Asph:BGZL:Asph) among BGZLs and Asph:Asph, modifying theproperties of crude oil such as viscosity, is possible to support the fact of the BGZLs can desorbs Asphmolecules of the rock surface, modifying the calcite surface (Cs) wettability of oil-wet to water-wet. Theresults of this research show that it is feasible the use of zwitterionic liquids as viscosity and wettabilitymodifier in EOR process.
Macrina Pe´rez-Lo´pez,Rodolfo Garcı´a-Contreras,Marcos Soto-Herna´ndez,Jose´ Salud Rodrı´guez-Zavala,Mariano Martı´nez-Va´zquez,Francisco Javier Prado-Galbarro,Israel Castillo-Jua´rez 한국식품영양과학회 2018 Journal of medicinal food Vol.21 No.4
Seed oils from oleaginous plants are rich in fatty acids (FAs) that play important roles in the health of the consumers. Recent studies indicate that FA also can play an important role in communication and regulation of virulence in bacteria. Nevertheless, evidence demonstrating protection against bacterial infections mediated by their quorum sensing inhibition (QSI) activity is scarce. In this study, sunflower, chia, and amaranth oils, were assayed for their QSI capacity by inhibiting violacein production and alkaline exoprotease activity of Chromobacterium violaceum. In vitro assays revealed that the oils exhibited QSI activities, whereas in vivo they delayed death of mice inoculated intraperitoneally with the bacterium. Gas chromatography coupled with mass spectrometry analysis of the oils indicated the presence of saturated FA (SAFA) and unsaturated FA as main components. Through a structure–activity relationship study of free FAs, bactericidal effect was identified mainly for polyunsaturated FAs, whereas QSI activity was restricted to SAFA of chains 12–18 carbon atoms in length. These data correlate with a possible interaction suggested by molecular docking analysis of lauric, myristic, and stearic acids with the CviR protein. Our study highlights the antiquorum sensing potential of SAFA, which may be future antivirulence therapeutic agents for the treatment of bacterial infections.
Marco Antonio Sa´ntiz-Go´mez,Miguel Angel Mazorra-Manzano,Hugo Enrique Ramı´rez-Guerra,Susana Marı´a Scheuren-Acevedo,Gerardo Navarro-Garcı´a,Ramo´n Pacheco-Aguilar,Juan Carlos Ramı´rez-Sua´rez 한국식품과학회 2019 Food Science and Biotechnology Vol.28 No.3
Chemical properties of fish gelatins differ fromthose of conventional mammalian sources, representing anattractive technological alternative for the food industry. Ray filleting generates a considerable amount of skin wastethat can be used as a collagen source for gelatin extraction. Thus, this research evaluated the HCl and CH3COOHeffect, at 0.01, 0.025, 0.05, 0.075, 0.1, 0.15, and 0.2 M, onextraction yield, molecular weight distribution, and gelstrength (GS) of whiptail stingray (Dasyatis brevis) skingelatins. Results showed differences (P\0.05) betweenacid type and concentration used. CH3COOH (0.15 M)gave the highest extraction yield (7.0% vs. 5.5% at 0.15 MHCl) and GS (653 ± 71 g vs. 619.5 ± 82 g at 0.2 M HCl). Gelatin electrophoretic profile from CH3COOH revealeda-/b-components and high molecular weight ([200 kDa)polymers. Ray gelatin GS was higher than commercialbovine gelatin, suggesting its possible use for technologicalfood applications.
REAL HYPERSURFACES OF QUATERNIONIC PROJECTIVE SPACE SATISFYING ▽_(U_(i))R=O
Pe´rez, Juan de Dios,Suh, Young Jin 경북대학교 위상수학 기하학연구센터 1995 硏究論文集 Vol.5 No.-
we classify real hypersurfaces of quaternionic projective space satisfying ▽_(Ui) R=0, i=1, 2, 3.
LA HISTORIA DE UNA NACION Y OTRAS HISTORIAS CANTADAS EN LAS CALLES
Rami´rez R., A. Eduardo 한국외국어대학교 중남미연구소 2001 중남미연구 Vol.20 No.1
El corrido es un tipo de cancio´n mexicans que contiene una clara expesio´n popular referenfe a los acontecimientos que se iban y se van sucediendo en la nacio´n y a veces hasta de sucesos internacionales, come es le caso del Corrido de Bin Laden y del atentado terrorista de 11 de septiembre on Estados Unidos. (Lo llaman corrido Black 11 en EE. UU) Diversos estudiosos han abordado el tema del corrido mexicano bajo diferentes aspectos. No es mi intencio´n abarcar exhaustivamente todo to referente a los corridors, pero si´ quiero hacer una presentacio´n general del corrido e incluir algo sobre los narcocorridos, por ser de actualidad.