Autor
Cargando información...
Fundadores:
Producto desarrollado por:
@colav
Contacto
ImpactU:
Acerca de ImpactU
Manual de usuario
Código Abierto
Datos Abiertos
Apidocs
Estadísticas de uso
Indicadores de Cooperación
Información:
ImpactU Versión 3.10.0
Última actualización:
Interfaz de Usuario: 26/06/2025
Base de Datos: 26/06/2025
Hecho en Colombia
Alejandro Ramirez Velez
Universidad de Antioquia
Instituto de Química
Facultad de Ciencias Exactas y Naturales
Ciencia de Materiales Avanzados
Ciencia de los Materiales
Sistemas Complejos y Química del Silicio
Universidad Nacional de Colombia
Perfil externo:
2
2
Citaciones:
224
Productos:
49
Filtros
Investigación
Cooperación
Productos
Patentes
Proyectos
Noticias
i
Coautorías según país de afiliación
Cargando información...
i
Evolución anual según la clasificación del ScienTI (Top 20)
Cargando información...
49 Productos
Más citado
CSV
API
Preparation of micron-sized spherical particles of mesoporous silica from a triblock copolymer surfactant, usable as a stationary phase for liquid chromatography
Acceso Cerrado
Fuente: Solid State Sciences
Monica Mesa Cadavid
Ligia Sierra Garcia
Betty Lucy Lopez Osorio
Alejandro Ramirez Velez
Jean‐Louis Guth
Jean Louis Guth
Temas:
Copolymer
Pulmonary surfactant
Chemical engineering
Poloxamer
Mesoporous material
Micelle
Dilution
Phase (matter)
Mesoporous silica
Materials science
Bromide
Chemistry
Chromatography
Inorganic chemistry
Organic chemistry
Catalysis
Thermodynamics
Aqueous solution
Engineering
Polymer
Physics
Publicado: 2003
Citaciones:
69
Altmétricas:
0
Artículo de revista
Study of the Acidic Sites and Their Modifications in Mesoporous Silica Synthesized in Acidic Medium under Quiescent Conditions
Acceso Cerrado
Fuente: The Journal of Physical Chemistry B
Alejandro Ramirez Velez
Betty Lucy Lopez Osorio
Ligia Sierra Garcia
Temas:
Silanol
Thermogravimetric analysis
Chemistry
Calcination
Mesoporous silica
Hydrogen bromide
Pyridine
Thermogravimetry
Inorganic chemistry
Bromide
Mesoporous material
Organic chemistry
Catalysis
Bromine
Publicado: 2003
Citaciones:
61
Altmétricas:
0
Artículo de revista
Simulation of nitrogen adsorption–desorption isotherms. Hysteresis as an effect of pore connectivity
Acceso Cerrado
Fuente: Chemical Engineering Science
Alejandro Ramirez Velez
Ligia Sierra Garcia
Monica Mesa Cadavid
Johans Restrepo Cardenas
John Jairo Castaneda Cardona
Temas:
Capillary condensation
Desorption
Hysteresis
Adsorption
Percolation (cognitive psychology)
Percolation threshold
Thermodynamics
Materials science
Porosity
Sorption
Monolayer
Porous medium
Chemical physics
Chemistry
Nanotechnology
Physics
Physical chemistry
Condensed matter physics
Composite material
Quantum mechanics
Neuroscience
Electrical resistivity and conductivity
Biology
Publicado: 2005
Citaciones:
38
Altmétricas:
0
Artículo de revista
Truncated pore network model for the methane and hydrogen adsorption in disordered nanoporous carbons
Acceso Cerrado
ART-ART_A1
ID Minciencias: ART-0000085901-35
Fuente: Computational Materials Science
Alejandro Ramirez Velez
Temas:
Nanoporous
Gravimetric analysis
Porosity
Adsorption
Methane
Materials science
Work (physics)
Hydrogen
Porous medium
Chemical engineering
Specific surface area
Hydrogen storage
Thermodynamics
Chemistry
Physical chemistry
Nanotechnology
Composite material
Physics
Organic chemistry
Catalysis
Engineering
Publicado: 2010
Citaciones:
10
Altmétricas:
0
Artículo de revista
Simulation of nitrogen sorption processes in materials with cylindrical mesopores: Hysteresis as a thermodynamic and connectivity phenomenon
Acceso Cerrado
Fuente: Chemical Engineering Science
Alejandro Ramirez Velez
Ligia Sierra Garcia
Temas:
Capillary condensation
Sorption
Mesoporous material
Hysteresis
Percolation (cognitive psychology)
Materials science
Thermodynamics
Phase transition
Work (physics)
Adsorption
Porous medium
Square lattice
Nitrogen
Porosity
Condensation
Chemical physics
Chemistry
Statistical physics
Composite material
Physical chemistry
Physics
Condensed matter physics
Organic chemistry
Neuroscience
Ising model
Biology
Catalysis
Publicado: 2006
Citaciones:
10
Altmétricas:
0
Artículo de revista
Synthesis of micron-sized particles of mesoporous silica from tri-block surfactants in presence of fluoride, usable as stationary phase in HPLC
Acceso Cerrado
Fuente: Studies in surface science and catalysis
Ligia Sierra Garcia
Monica Mesa Cadavid
Alejandro Ramirez Velez
Beatriz Julian Lopez
J L Gut
Jean Louis Guth
Betty Lucy Lopez Osorio
Temas:
USable
Fluoride
Mesoporous silica
Stationary phase
High-performance liquid chromatography
Mesoporous material
Chromatography
Phase (matter)
Block (permutation group theory)
Chemistry
Chemical engineering
Organic chemistry
Inorganic chemistry
Computer science
Catalysis
Mathematics
Engineering
Geometry
World Wide Web
Publicado: 2004
Citaciones:
7
Altmétricas:
0
Capítulo de libro
Formation of Si–H groups during the functionalization of mesoporous silica with Grignard reagents
Acceso Cerrado
ART-ART_A1
ID Minciencias: ART-0000085812-6381
Fuente: Microporous and Mesoporous Materials
Alejandro Ramirez Velez
Ligia Sierra Garcia
Bénédicte Lebeau
Jean‐Louis Guth
Jean Louis Guth
Temas:
Grignard reaction
Chemistry
Alkyl
Mesoporous material
Silicon
Reagent
Fluorine
Grignard reagent
Molecule
Mesoporous silica
Surface modification
Ring (chemistry)
Organic chemistry
Catalysis
Physical chemistry
Publicado: 2006
Citaciones:
7
Altmétricas:
0
Artículo de revista
A kinetic Monte Carlo approach to diffusion in disordered nanoporous carbons
Acceso Cerrado
Fuente: Chemical Engineering Science
Alejandro Ramirez Velez
Temas:
Nanoporous
Diffusion
Kinetic Monte Carlo
Monte Carlo method
Knudsen number
Methane
Work (physics)
Thermodynamics
Knudsen diffusion
Hydrogen
Kinetic energy
Chemistry
Materials science
Statistical physics
Nanotechnology
Physics
Mathematics
Statistics
Organic chemistry
Quantum mechanics
Publicado: 2011
Citaciones:
5
Altmétricas:
0
Artículo de revista
Adaptation of silanol groups in mesoporous silica to be silylated and their evaluation by ftir
Acceso Cerrado
Fuente: Studies in surface science and catalysis
Monica Mesa Cadavid
Alejandro Ramirez Velez
Guth J L
Ligia Sierra Garcia
Jean Louis Guth
Temas:
Silanol
Mesoporous silica
Silylation
Pyridine
Mesoporous material
Chemistry
Fourier transform infrared spectroscopy
Reagent
Infrared spectroscopy
Calcination
Organic chemistry
Polymer chemistry
Chemical engineering
Catalysis
Engineering
Publicado: 2004
Citaciones:
4
Altmétricas:
0
Capítulo de libro
Porous media generated by using an immiscible lattice-gas model
Acceso Cerrado
ART-ART_A1
ID Minciencias: ART-0001370328-1
Fuente: Computational Materials Science
Alejandro Ramirez Velez
Daniel Esteban Jaramillo Ruiz
Temas:
Isotropy
Microstructure
Lattice (music)
Porous medium
Anisotropy
Materials science
Representation (politics)
Statistical physics
Porosity
Embedding
Ceramic
Mechanics
Condensed matter physics
Geometry
Chemical physics
Mineralogy
Physics
Mathematics
Composite material
Chemistry
Computer science
Optics
Artificial intelligence
Politics
Political science
Acoustics
Law
Publicado: 2012
Citaciones:
3
Altmétricas:
0
Artículo de revista
1
NaN
NaN / pág.
