Search Results - "José Yacamán, Miguel"

Electrum, the Gold–Silver Alloy, from the Bulk Scale to the Nanoscale: Synthesis, Properties, and Segregation Rules by Guisbiers, Grégory, Mendoza-Cruz, Rubén, Bazán-Díaz, Lourdes, Velázquez-Salazar, J. Jesús, Mendoza-Perez, Rafael, Robledo-Torres, José Antonio, Rodriguez-Lopez, José-Luis, Montejano-Carrizales, Juan Martín, Whetten, Robert L, José-Yacamán, Miguel

“…The alloy Au–Ag system is an important noble bimetallic phase, both historically (as “Electrum”) and now especially in nanotechnology, as it is applied in…”
Get full text

Controlled Overgrowth of Five-Fold Concave Nanoparticles into Plasmonic Nanostars and Their Single-Particle Scattering Properties by Velázquez-Salazar, J. Jesús, Bazán-Díaz, Lourdes, Zhang, Qingfeng, Mendoza-Cruz, Rubén, Montaño-Priede, Luis, Guisbiers, Grégory, Large, Nicolas, Link, Stephan, José-Yacamán, Miguel

“…Growth of anisotropic nanostructures enables the manipulation of optical properties across the electromagnetic spectrum by fine morphological tuning of the…”
Get full text

Elasticity of MoS2 Sheets by Mechanical Deformation Observed by in Situ Electron Microscopy by Casillas, Gilberto, Santiago, Ulises, Barrón, Héctor, Alducin, Diego, Ponce, Arturo, José-Yacamán, Miguel

“…MoS2 has been the focus of extensive research due to its potential applications. More recently, the mechanical properties of MoS2 layers have raised interest…”
Get full text

High-resolution analytical imaging and electron holography of magnetite particles in amyloid cores of Alzheimer’s disease by Plascencia-Villa, Germán, Ponce, Arturo, Collingwood, Joanna F., Arellano-Jiménez, M. Josefina, Zhu, Xiongwei, Rogers, Jack T., Betancourt, Israel, José-Yacamán, Miguel, Perry, George

“…Abnormal accumulation of brain metals is a key feature of Alzheimer’s disease (AD). Formation of amyloid-β plaque cores (APC) is related to interactions with…”
Get full text

Nano-structured hydroxyapatite and titanium dioxide enriching PENTA /UDMA adhesive as aesthetic coating for tooth enamel by Nevarez-Rascón, Alfredo, Hurtado-Macías, Abel, Esparza-Ponce, Hilda Esperanza, Nevarez-Rascón, Martina Margarita, González-Hernández, Jesús, Yacamán, Miguel José.

“…The aim of this study was to investigate the effect of the nanostructured hydroxyapatite (NHAp) and titanium dioxide nanoparticles (NTiO2) on dispersion in an…”
Get full text

Hidden Components in Aqueous “Gold-144” Fractionated by PAGE: High-Resolution Orbitrap ESI-MS Identifies the Gold-102 and Higher All-Aromatic Au‑pMBA Cluster Compounds by Alvarez, Marcos M, Chen, Jenny, Plascencia-Villa, Germán, Black, David M, Griffith, Wendell P, Garzón, Ignacio L, José-Yacamán, Miguel, Demeler, Borries, Whetten, Robert L

“…Experimental and theoretical evidence reveals the resilience and stability of the larger aqueous gold clusters protected with p-mercaptobenzoic acid ligands…”
Get full text

Experimental High-Resolution Observation of the Truncated Double-Icosahedron Structure: A Stable Twinned Shell in Alloyed Au–Ag Core@Shell Nanoparticles by Mendoza-Cruz, Rubén, Palomares-Báez, Juan Pedro, López-López, Stephan Mario, Montejano-Carrizales, Juan Martín, Rodríguez López, José Luis, José Yacamán, Miguel, Bazán-Díaz, Lourdes

“…Given the binary nature of nanoalloy systems, their properties are dependent on their size, shape, structure, composition, and chemical ordering. When energy…”
Get full text

Analytical Characterization of Size-Dependent Properties of Larger Aqueous Gold Nanoclusters by Plascencia-Villa, Germán, Demeler, Borries, Whetten, Robert L, Griffith, Wendell P, Alvarez, Marcos, Black, David M, José-Yacamán, Miguel

“…Gold nanoclusters (AuNCs) with well-defined structure and arrangement possess particular physical and functional properties. AuNCs that differ only by less…”
Get full text

Biodirected Synthesis and Nanostructural Characterization of Anisotropic Gold Nanoparticles by Plascencia-Villa, Germán, Torrente, Daniel, Marucho, Marcelo, José-Yacamán, Miguel

“…Gold nanoparticles with anisotropic structures have tunable absorption properties and diverse bioapplications as image contrast agents, plasmonics, and…”
Get full text

Soft or Hard? Investigating the Deformation Mechanisms of Au–Pd and Pd Nanocubes under Compression: An Experimental and Molecular Dynamics Study by de la Rosa Abad, Juan A, Londoño-Calderon, Alejandra, Bringa, Eduardo M, Soldano, German J, Paz, Sergio. A, Santiago, Ulises, Mejía-Rosales, Sergio J, Yacamán, Miguel José, Mariscal, Marcelo M

“…In the search for new mechanisms to improve and control the mechanical properties of nanostructures, the idea of tuning the strength through composition is…”
Get full text

Graphene-Supported High-Resolution TEM and STEM Imaging of Silicon Nanocrystals and their Capping Ligands by Panthani, Matthew G, Hessel, Colin M, Reid, Dariya, Casillas, Gilberto, José-Yacamán, Miguel, Korgel, Brian A

“…Using graphene as an ultrathin support, high-resolution transmission and scanning transmission electron microscopy (TEM and STEM) images of organic…”
Get full text

Determination of sialic acid levels by using surface‐enhanced Raman spectroscopy in periodontitis and gingivitis by Hernández‐Cedillo, Alondra, García-Valdivieso, Ma. Guadalupe, Hernández‐Arteaga, Aida Catalina, Patiño-Marín, Nuria, Vértiz-Hernández, Ángel Antonio, José‐Yacamán, Miguel, Navarro‐Contreras, Hugo Ricardo

“…Objectives To compare the sialic acid (SA) levels in saliva among periodontitis‐affected, gingivitis and control patients. Methods The study involved 93…”
Get full text

Comparative toxicity assessment of CeO2 and ZnO nanoparticles towards Sinorhizobium meliloti, a symbiotic alfalfa associated bacterium: Use of advanced microscopic and spectroscopic techniques by Bandyopadhyay, Susmita, Peralta-Videa, Jose R., Plascencia-Villa, Germán, José-Yacamán, Miguel, Gardea-Torresdey, Jorge L.

“…► First cytotoxicity study of CeO2 and ZnO nanoparticles to Sinorhizobium meliloti. ► First report upon the mechanisms of CeO2 and ZnO NPs toxicity to S…”
Get full text

Synthesis and Properties of the Self-Assembly of Gold–Copper Nanoparticles into Nanoribbons by Bazán-Díaz, Lourdes, Mendoza-Cruz, Rubén, Velázquez-Salazar, J. Jesús, Plascencia-Villa, Germán, Ascencio-Aguirre, Francisco Miguel, Ojeda-Galván, H. Joazet, Herrera-Becerra, Raúl, Guisbiers, Grégory, José-Yacamán, Miguel

“…We report the efficient wet-chemical production of self-assembled gold–copper bimetallic nanoparticles (diameter of ∼2 nm) into two-dimensional flexible…”
Get full text

Rebar Graphene from Functionalized Boron Nitride Nanotubes by Li, Yilun, Peng, Zhiwei, Larios, Eduardo, Wang, Gunuk, Lin, Jian, Yan, Zheng, Ruiz-Zepeda, Francisco, José-Yacamán, Miguel, Tour, James M

“…The synthesis of rebar graphene on Cu substrates is described using functionalized boron nitride nanotubes (BNNTs) that were annealed or subjected to chemical…”
Get full text

Magnetic Vortex Domain Wall Observation on Polycrystalline Imperfect Iron−Cobalt Alloy Nanowires Growing on 1050 Aluminum by Londoño-Calderón, César Leandro, Londoño-Calderón, Alejandra, Moscoso-Londoño, Oscar, Galindo, Arturo, Ponce, Arturo, Pampillo, Laura Gabriela, Martínez-García, Ricardo, José Yacamán, Miguel, Knobel, Marcelo

“…Herein, the magnetic vortex domain wall structure of polycrystalline imperfect iron−cobalt alloy nanowires (Nws) growing on 1050 aluminum by pulsed…”
Get full text

Structure of the Thiolated Au130 Cluster by Tlahuice-Flores, Alfredo, Santiago, Ulises, Bahena, Daniel, Vinogradova, Ekaterina, Conroy, Cecil V, Ahuja, Tarushee, Bach, Stephan B. H, Ponce, Arturo, Wang, Gangli, José-Yacamán, Miguel, Whetten, Robert L

“…The structure of the recently discovered Au130-thiolate and -dithiolate clusters is explored in a combined experiment-theory approach. Rapid electron…”
Get full text

Structural Analysis of AuPdAu Nanocubes via Aberration-Corrected STEM and Nanobeam Diffraction by Londono-Calderon, Alejandra, Bruma, Alina, Bahena Uribe, Daniel, Ponce, Arturo, José-Yacamán, Miguel

“…Controlling the morphology of bimetallic nanoscale systems at the atomic level is of utmost importance in fields such as nanocatalysis, plasmonics, or optics…”
Get full text

Plasmon resonance coupling of metal nanoparticles for molecular imaging of carcinogenesis in vivo by Aaron, Jesse, Nitin, Nitin, Travis, Kort, Kumar, Sonia, Collier, Tom, Park, Sun Young, José-Yacamán, Miguel, Coghlan, Lezlee, Follen, Michele, Richards-Kortum, Rebecca, Sokolov, Konstantin

“…An effective cancer control strategy requires improved early detection methods, patient-specific drug selection, and the ability to assess response to targeted…”
Get more information

Surface-Enhanced Raman Spectroscopy of Acetil-neuraminic Acid on Silver Nanoparticles: Role of the Passivating Agent on the Adsorption Efficiency and Amplification of the Raman Signal by Hernández-Arteaga, Aida C, Delgado-Nieblas, Francisco C, Ojeda-Galván, Hiram J, Velázquez-Salazar, J. Jesús, Vinogradova, Ekaterina, José-Yacamán, Miguel, Guirado-López, Ricardo A, Navarro-Contreras, Hugo R

“…We present a combined experimental and theoretical study dedicated to analyzing the surface-enhanced Raman spectra of solutions of citrate-covered silver…”
Get full text