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- 저자 : Sosa-Vargas, Lydia (검색결과 4 건)
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Sosa-Vargas, Lydia,Kim, Eunkyoung,Attias, André,-Jean The Royal Society of Chemistry 2017 Materials horizons Vol.4 No.4
<▼1><P>Designing new molecular building blocks for functional supramolecular self-assembly at surfaces.</P></▼1><▼2><P>2D supramolecular self-assembly has emerged as a powerful tool in nanoscience for bottom-up fabrication of well-defined and long-range ordered two-dimensional (2D) molecular nanostructures at surfaces. Following an overview of the principles of this distinctive self-assembly process, this review focuses on recent strategies developed to go beyond surface nanopatterning and to provide functional surfaces. With an emphasis on the chemical engineering of the molecular building blocks constituting the adlayer, we show that besides supported nanoporous networks, a more promising approach lies in the upstanding 3D functional building blocks mounted on the substrate. We highlight the opportunities offered by graphene, a substrate for which non-covalent functionalization by supramolecular self-assembly represents a way to either control its electronic properties or provide a new functionality. Finally, future perspectives are addressed.</P></▼2>
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Background of Peruvian gastronomy and its perspectives: an assessment of its current growth
Aguirre-Sosa Joaquín,Dextre Maria Luisa,Lozada-Urbano Michellle,Vargas-Merino Jorge Alberto 한국식품연구원 2023 Journal of Ethnic Foods Vol.10 No.50
Peruvian gastronomy is continuously expanding throughout the world, captivating various regions and major cities with its flavors, textures, colors, and culinary excellence. The objective of this research is to describe the background of Peruvian gastronomy and its perspectives, in order to assess its current growth. A bibliographic and exploratory analysis was conducted, delving into its significance throughout history. The culinary background was delineated from the Pre-Inca, Inca, Colonial, Republican eras, up to the present day. Additionally, the perspectives from the government, private sector, and citizens were explored to evaluate the current status achieved worldwide. Given the importance of the current position held by Peruvian gastronomy, this study holds international relevance in assessing our legacy and paying tribute to the individuals from the past, present, and future whose strategic work enables the expansion of the Peruvian gastronomy. It is concluded that Peruvians must continue striving for continuous improvement in the key links of our gastronomy’s production chain.
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Tick-borne rickettsial pathogens in questing ticks, removed from humans and animals in Mexico
Carolina G. Sosa-Gutierrez,Margarita Vargas-Sandoval,Javier Torres,Guadalupe Gordillo-Pérez 대한수의학회 2016 Journal of Veterinary Science Vol.17 No.3
Tick-borne rickettsial diseases (TBRD) are commonly encountered in medical and veterinary clinical settings. The control of these diseases is difficult, requiring disruption of a complex transmission chain involving a vertebrate host and ticks. The geographical distribution of the diseases is related to distribution of the vector, which is an indicator of risk for the population. A total of 1,107 ticks were collected by tick dragging from forests, ecotourism parks and hosts at 101 sites in 22 of the 32 states of Mexico. Collected ticks were placed in 1.5 mL cryovials containing 70% ethanol and were identified to species. Ticks were pooled according to location/host of collection, date of collection, sex, and stage of development. A total of 51 ticks were assayed by polymerase chain reaction (PCR) to confirm species identification using morphological methods. A total of 477 pools of ticks were assayed using PCR techniques for selected tick-borne pathogens. Anaplasma phagocytophilum was the most commonly detected pathogen (45 pools), followed by, Ehrlichia (E.) canis (42), Rickettsia (R.) rickettsii (11), E. chaffeensis (8), and R. amblyommii (1). Rhipicephalus sanguineus was the tick most frequently positive for selected pathogens. Overall, our results indicate that potential tick vectors positive for rickettsial pathogens are distributed throughout the area surveyed in Mexico.
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Photoactive Organic/Inorganic Hybrid Materials with Nanosegregated Donor–Acceptor Arrays
Fabrice Mathevet,Xiaolei Zhu,Cheriehan Hessin,Aude Salam,Lydia Sosa-Vargas,David Kreher,Chihaya Adachi,Anna Proust,Pierre Mialane,Jerome Marrot,Aude Bouchet,Michel Sliwa,Stephane Mery,Benoit Heinrich 한국고분자학회 2021 한국고분자학회 학술대회 연구논문 초록집 Vol.46 No.2
We designed and synthesized a first example of mesogenic donor-acceptor polyoxometalate (POM)-based hybrid. The structural and electronic properties of the hybrid compound were evaluated through combination of small- and wide-angle X-ray scattering, optical microscopy, electrochemistry and photoluminescence. In the solid state, the compound behaves as a birefringent solid, displaying a lamellar organization in which double-layers of POMs and bis(thiophene)thienothiophene organic donors alternate regularly. Noticeably, the subunit organizations in the composite are similar to that observed for the individual POM and organic donor precursors. Photophysical studies showed that in the hybrid, the fluorescence of the organic donor unit is considerably quenched both in solution and in the solid state, which is attributed to occurrence of intramolecular charge-separated state.
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