Results 131 to 140 of about 8,951,121 (298)

Geologists of Russian origin in Latin America [PDF]

open access: yes, 2018
Se describe la vida y trayectoria de geólogos que más allá de su nacionalidad (rusa, ucraniana, tártara, alemana, etc.), nacieron en territorios que pertenecieron al Imperio Ruso, la Unión Soviética o la Federación Rusa, y de sus descendientes graduados ...
Alonso, Ricardo   +7 more
core   +1 more source

ATP13A2 is involved in intracellular polyamine transport in lung epithelial cells

open access: yesFEBS Open Bio, EarlyView.
Spermidine transport in lung epithelial cells involves the polyamine transporter ATP13A2. Cell proliferation is associated with the upregulation of ATP13A2. Polyamines are present in all living cells and are implicated in various crucial cellular processes such as proliferation, apoptosis and autophagy.
Yuta Hatori   +8 more
wiley   +1 more source

De violencia a más violencia en América Central [PDF]

open access: yes, 2014
Muchos migrantes centroamericanos huyen de sus países producto de la violencia y las amenazas por parte de las pandillas. Una gran cantidad de ellos encuentran en la ruta migratoria de México el mismo tipo de violencia del que están ...
Medina, Israel
core   +1 more source

Engineering tandem VHHs to target different epitopes to enhance antibody‐dependent cell‐mediated cytotoxicity

open access: yesFEBS Open Bio, EarlyView.
Tandem VHH targeting distinct EGFR epitopes were engineered into a monovalent bispecific antibody (7D12‐EGA1‐Fc) with more potent ADCC without increasing affinity to EGFR. Structural modeling of 7D12‐EGA1‐Fc showed cross‐linking of separate EGFR domains to enhance CD16a engagement on NK cells.
Yuqiang Xu   +5 more
wiley   +1 more source

Historiografía de los queros, pajchas y otras vasijas lígneas andinas de época incaica y colonial del Museo de América (Madrid) [PDF]

open access: yes
Este articulo analiza les diferentes estudios que han tratado de los `queros', `pajehas' y otros recipientes de madera del Area Central Andina de la época Inca y colonial que se encuentran en el Museo de América de Madrid.This artiele analyse different ...
Ramos Gómez, Luis J.
core   +1 more source

Sustainable bioplastics manufacturing from renewable sources

open access: yesFEBS Open Bio, EarlyView.
Bioplastics are manufactured by using polymers from different bio‐based sources. These novel materials not only offer biodegradability but also possess various functional properties that make them suitable for diverse applications. Recent developments in the preparation of bioplastics are reported, highlighting the distinct properties of each type of ...
C. Valeria L. Giosafatto   +6 more
wiley   +1 more source

Pioglitazone plus (−)‐epigallocatechin gallate: a novel approach to enhance osteogenic performance in aged bone marrow mesenchymal stem cells

open access: yesFEBS Open Bio, EarlyView.
Aged human bmMSCs are seeded in the scaffold. Osteoblastic induction can slightly increase cell's bone‐forming activity to produce bone‐like tissues, shown as the sporadic xylenol orange‐stained spots (the lower left image). Notably, pioglitazone plus EGCG co‐treatment dramatically increases cell's bone‐forming activity and bone‐like tissue production (
Ching‐Yun Chen   +6 more
wiley   +1 more source

Vicente Sáenz: el antifascismo itinerante o los fantasmas del patriarca

open access: yesCuadernos Inter.c.a.mbio sobre Centroamérica y el Caribe, 2012
El artículo explica el papel y la vivencia del intelectual costarricense Vicente Sáenz en la era antifascista, planteando para ello dos hipótesis: que el caso de Sáenz resulta un contrapunto para hacer lectura de la evolución y desenlace del ...
Dennis Arias Mora
doaj  

A pregnant woman with COVID-19 in Central America

open access: yesTravel Medicine and Infectious Disease, 2020
L. Zambrano   +11 more
semanticscholar   +1 more source

A ANALYSIS OF EVOLUTION OF BRAZIL´S TRADE RELATIONS WITH MERCOSUR AND OTHER ECONOMIC BLOCS [PDF]

open access: yes
O objetivo central deste trabalho é fazer uma retrospectiva histórica do processo de formação do Mercosul, o desenvolvimento das relações comerciais, bem como o conseqüente processo de convergência e divergência neste contexto. E ainda avaliar a eficácia
Braun, Mirian Beatriz Schneider   +2 more
core   +1 more source

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