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Browsing by Subject "Supramolecular chemistry"

Now showing items 1-19 of 19

A photoactivated molecular gate

Agostini, Alessandro (Universitat Politècnica de València, 2016-02-02)

A novel capped silica nanoscopic mesoporous hybrid material for photo-driven cargo release applications has been designed and prepared. The capped system, which shows a zero release, contains a photo-cleavable bulky ...
A Simple System Based on a Thiourea-Modified Fluorescein for w-Amino Acid Discrimination

Marti, A.; Costero Nieto, Ana María; Gaviña, P.; Parra Álvarez, Margarita (Wiley-VCH Verlag, 2015-09-22)

A thiourea-modified fluorescein derivative was synthesized by reaction of fluorescein isothiocyanate with 2-(2-aminoethoxy)ethan-1-ol. UV/Vis absorption and fluorescence emission spectroscopy studies demonstrated that this ...
Autonomous artificial nanomotor powered by sunlight

Balzani, V.; Clemente-Leon, M.; Credi, A.; Ferrer Ribera, Rosa Belén; Venturi, M.; Flood, A.H.; Stoddart, J.F. (National Academy of Sciences, 2006-01-31)

Light excitation powers the reversible shuttling movement of the ring component of a rotaxane between two stations located at a 1.3-nm distance on its dumbbell-shaped component. The photoinduced shuttling movement, which ...
Biomolecular conjugation inside synthetic polymer nanopores via glycoprotein-lectin interactions

Mubarak, Ali; Ramirez Hoyos, Patricio; Tahir, Muhammad Nawaz; Mafé, Salvador; Siwy, Zuzanna S.; Neumann, Reinhard; Tremel, W.; Ensinger, Wolfgang J. (Royal Society of Chemistry, 2011-03-18)

We demonstrate the supramolecular bioconjugation of concanavalin A (Con A) protein with glycoenzyme horseradish peroxidase (HRP) inside single nanopores, fabricated in heavy ion tracked polymer membranes. Firstly, the ...
Communication between iron(II) building blocks in cooperative spin transition phenomena

Real, J. A.; Gaspar, A. B.; Niel, V.; Muñoz Roca, María Del Carmen (Elsevier, 2003-01)

[EN] In the present article we discuss the cooperative nature of the spin crossover phenomenon in iron(II) complexes, providing a perspective of the state of the art in this area. The first aspect we discuss is the role ...
Computational Modeling of Supramolecular Metallo-organic Cages-Challenges and Opportunities

Piskorz, Tomasz K.; Martí-Centelles, Vicente; Young, Tom A.; Lusby, Paul J.; Duarte, Fernanda (American Chemical Society, 2022-05-20)

[EN] Self-assembled metallo-organic cages have emerged as promising biomimetic platforms that can encapsulate whole substrates akin to an enzyme active site. Extensive experimental work has enabled access to a variety of ...
Functional hybrid materials for the optical recognition of nitroaromatic explosives involving supramolecular interactions

Salinas Soler, Yolanda (Editorial Universitat Politècnica de València, 2013-09-02)

La presente tesis doctoral titulada ¿Materiales funcionales híbridos para el reconocimiento óptico de explosivos nitroaromáticos mediante interacciones supramoleculares¿ se basa en la combinación de principios de Química ...
Functional silica materials for controlled release, sensing and elimination of target molecules

Candel Busquets, Inmaculada (Universitat Politècnica de València, 2014-07-29)

La presente tesis doctoral titulada “Materiales de sílice funcionales para la liberación controlada, detección y eliminación de moléculas de interés” se centra en el diseño y desarrollo de materiales híbridos ...
Host guest complexes between cucurbit[n]urils and acetanilides having aminopropyl units

Buaki-Sogo, Mireia; Montes Navajas, Pedro Manuel; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Elsevier, 2013)

[EN] 2-(Propylamino)acetamide of aniline (1a), and bis-2-(propylamino)acetamide of ortho- (1b) and para-(1c) phenylenediamine form host-guest complexes with CB[6], CB[7] and CB[8] as evidenced by the variations in the H-1 ...
Influence of CB[n] complexation on the quenching of 2,4,6-triphenylpyrylium excited states by Fe2+ ions

Montes Navajas, Pedro Manuel; García Gómez, Hermenegildo (Elsevier, 2013)

[EN] This manuscript focuses on the influence that the addition of Fe2+ as electron donor quencher exerts on the photophysics of 2,4,6-triphenylpyrylium (TP+) depending on the formation or not of supramolecular inclusion ...
Iodinated ortho-Carboranes as Versatile Building Blocks to Design Intermolecular Interactions in Crystal Lattices

Puga, Alberto V.; Teixidor, Francesc; Sillanpaa, Reijo; Kivekas, Raikko; Viñas, Clara (Wiley, 2009)

[EN] The crystal structures of numerous iodinated ortho-carboranes have been studied, which has revealed the diversity of intermolecular interactions that these substances can adopt in the solid state. The nature-mostly ...
Kinetic and thermodynamic concepts as synthetic tools in supramolecular chemistry for preparing macrocycles and molecular cages

Martí-Centelles, Vicente (Elsevier, 2022-02-16)

[EN] Macrocyclic and cage structures preorganize functional groups around a central cavity providing unique properties in the field of supramolecular chemistry. Their synthesis requires an appropriate design of the building ...
Mimicking tricks from nature with sensory organic-inorganic hybrid materials

Martínez Mañez, Ramón; Sancenón Galarza, Félix; Biyikal, M.; Hecht, M.; Rurack, Knut (Royal Society of Chemistry, 2011)

Design strategies for (bio)chemical systems that are inspired by nature's accomplishments in system design and operation on various levels of complexity are increasingly gaining in importance. Within the broad field of ...
Nanoscopic optical sensors based on functional supramolecular hybrid materials

Martínez Mañez, Ramón; Sancenón Galarza, Félix; Hecht, Mandy; Biyikal, Mustafa; Rurack, Knut (Springer Verlag, 2011)

[EN] This review highlights how the combination of supramolecular principles and nanoscopic solid structures enables the design of new hybrid sensing ensembles with improved sensitivity and/or selectivity and for the ...
New approaches for the development of chromo-fluorogenic sensors for chemical species of biological, industrial and environmental interest

Santos Figueroa, Luis Enrique (Universitat Politècnica de València, 2015-03-23)

El presente proyecto de investigación está enfocado al desarrollo de sensores químicos fluoro-cromogénicos, para la detección y determinación de especies químicas de interés biológico, industrial y medioambiental de forma ...
NO2-controlled cargo delivery from gated silica mesoporous nanoparticles

Juarez, L. Alberto; Costero, Ana M.; Parra Alvarez, Margarita; Gaviña, Pablo; Gil Grau, Salvador; Martínez-Máñez, Ramón; Sancenón Galarza, Félix (The Royal Society of Chemistry, 2017-01-11)

[EN] Cargo delivery from mesoporous silica nanoparticles loaded with sulforhodamine B and capped with a difluoroboron-dipyrromethene (BODIPY) derivative was triggered by a NO2-induced oxidative process.
Optical detection of chemical species of environmental and biological relevance using molecular sensors and hybrid materials

Lo Presti, Maria (Universitat Politècnica de València, 2021-09-02)

[ES] La presente tesis doctoral titulada "Detección óptica de especies químicas de importancia ambiental y biológica utilizando sensores moleculares y materiales híbridos" se centra en el diseño, preparación, caracterización ...
Photoinduced electron flow in a self-assembling supramolecular extension cable

Ferrer Ribera, Rosa Belén; Rogez, Guillaume; Credi, Alberto; Ballardini, Roberto; Gandolfi, Maria Teresa; Balzani, Vincenzo; Liu, Yi; Tseng, Hsian-Rong; Stoddart, J. Fraser (National Academy of Sciences, 2006-07-28)

We report the design, bottom-up construction, characterization, and operation of a supramolecular system capable of mimicking the function played by a macroscopic electrical extension cable. The system is made up of a ...
Size-Tunable Micron-Bubbles Based on Fluorous-Fluorous Interactions of Perfluorinated Dendritic Polyglycerols

Zieringer, Maximilian; García Bernabé, Abel; Costisella, Burkhard; Glatz, Heiko; Bannwarth, Willi; Haag, Rainer (John Wiley & Sons, 2010)

[EN] This paper describes the behavior of various generations of polyglycerol dendrimers that contain a perfluorinated shell. The aggregation in organic solvents is based on supramolecular fluorous-fluorous interactions, ...