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Listar por palabra clave "Chirality"

Mostrando ítems 1-10 de 10

A Look at the Importance of Chirality in Drug Activity: Some Significative Examples

Ceramella, Jessica; Iacopetta, Domenico; Franchini, Angelica; De Luca, Michele; Saturnino, Carmela; Andreu, Inmaculada; Sinicropi, Maria Stefania; Catalano, Alessia (MDPI AG, 2022-11)

[EN] Chirality plays an important role in the development of many pharmaceuticals, being a general property of 'handedness'; nevertheless, a large number of pharmaceuticals are still marketed and administered as racemates. ...
An Na8 Cluster in the Structure of a Novel oxamato-bridged Na'Cu'' three-Dimensional Coordination Polymer

Aukauloo, A.; Ottenwaelder, X.; Ruiz, R.; Journaux, Y.; Pei, Y.; Riviére, E.; Cervera, B.; Muñoz Roca, María Del Carmen (John Wiley & Sons, 1999-01-18)

[EN] The new heterometallic sodium(I)¿copper(II) compound Na4Cu2 (2) · 10.5 H2O (3), where H8[2] stands for N,N',N'',N'''-methanetetrayltetrakismethylenetetrakis(oxamic acid), has been synthesized and its crystal structure ...
Chiral forces in longitudinally invariant dielectric photonic waveguides

Martínez-Romeu, Josep; Rodriguez-Díez, Iago; Golat, Sebastian; Rodríguez-Fortuño, Francisco J.; Martínez, Alejandro (Optical Society of America, 2024-03-01)

[EN] We calculate numerically the optical chiral forces in rectangular cross-section dielectric waveguides for potential enantiomer separation. Our study considers force strength and time needed for separating chiral ...
Efficient chirality switching in the addition of diethylzinc to aldehydes in the presence of simple chiral alpha-amino amides

Burguete, M.I.; Collado, M.; Escorihuela Fuentes, Jorge; Luis Lafuente, Santiago (Wiley, 2007-09)
Influence of the Framework Topology on the Reactivity of Chiral Pyrrolidine Units Inserted in Different Porous Organosilicas

Llopis-Perez, Sebastian; Velty, Alexandra; DÍAZ MORALES, URBANO MANUEL (MDPI AG, 2019-08)

[EN] Three families of organosiliceous materials with different structuration level, order, and textural properties (non-ordered, M41S, and SBA-15 type materials) were prepared incorporating in their structural framework ...
Longitudinal chiral forces in photonic integrated waveguides to separate particles with realistically small chirality

Martínez-Romeu, Josep; Rodriguez-Díez, Iago; Golat, Sebastian; Rodríguez-Fortuño, Francisco J.; Martínez, Alejandro (Walter de Gruyter GmbH, 2024-09)

[EN] Chiral optical forces exhibit opposite signs for the two enantiomeric versions of a chiral molecule or particle. If large enough, these forces might be able to separate enantiomers all optically, which would find ...
Role of association in chiral catalysis: from asymmetric synthesis to spin selectivity

Ageeva, A.A.; Khramtsova, E.A.; Magin, I.M.; Purtov, P.A.; Miranda Alonso, Miguel Ángel; Leshina, T.V. (John Wiley & Sons, 2018-12-12)

[EN] The origin of biomolecules in the pre-biological period is still a matter of debate, as is the unclarified nature of the differences in enantiomer properties, especially for the medically important activity of chiral ...
Simulation of left-right asymmetry in heart morphogenesis

Pérez Meroño, Ignacio (Universitat Politècnica de València, 2022-10-11)

[ES] Existen varios estudios sobre la morfogénesis del corazón en el embrión de los vertebrados, y en particular sobre cómo durante el desarrollo del tubo cardíaco se rompe la simetría bilateral dando lugar a una morfogénesis ...
Spin Selectivity in Chiral Linked Systems

Ageeva, A.A.; Khramtsova, E.A.; Magin, I.M.; Richkov, D.A.; Purtov, P.A.; Miranda Alonso, Miguel Ángel; Leshina, T.V. (John Wiley & Sons, 2018-03-12)

[EN] This work has shown spin selectivity in electron transfer (ET) of diastereomers of (R,S)-naproxen-(S)-N-methylpyrrolidine and (R,S)-naproxen-(S)-tryptophan dyads. Photoinduced ET in these dyads is interesting because ...
Supramolecular Transcription of Guanosine Monophosphate into Mesostructured Silica

Bueno Alejo, Carlos Javier; Villaescusa Alonso, Luis Angel; García Bennet, Alfonso E. (Wiley-VCH Verlag, 2014-11-03)

There is large interest in replicating biological supramolecular structures in inorganic materials that are capable of mimicking biological properties. The use of 5- guanosine monophosphate in the presence of Na+ and ...