RESEARCH GROUP
Structural Chemistry (GIQUE)
Science Faculty
.
.
Minciencias Classification : A
The Structural Chemistry Research Group (GIQUE) focuses on the study, synthesis, and characterization of new materials through crystallographic and structural characterization, employing X-Ray diffraction, nuclear magnetic resonance, infrared spectroscopy, differential thermal analysis, and thermogravimetric analysis techniques.
The purpose of GIQUE is to train committed and qualified professionals in chemistry and related sciences, contributing to the improvement of teaching, research, and social projection through the development of new knowledge, the diffusion of specialized information, and the offer of specialized services to the community.
We are
classified as A
by Miniciencias






OUR
Research lines
EXTENSION
Services
-
Identification of crystalline phases by X-Ray Diffraction.
-
Identification of crystalline phases by X-Ray Diffraction (BULK, interlaminar displacement tests by ethylene glycol addition to check the presence of expandable material).
-
Quantification of crystalline phases by X-ray diffraction.
-
Quantification of crystalline phases by X-Ray Diffraction (BULK, interlamellar displacement tests by addition of ethylene glycol to check for the presence of expandable material).
Read more
-
Data recording and qualitative analysis by X-Ray Diffraction at grazing incidence.
-
X-Ray Diffraction data logging for qualitative and quantitative analysis.
-
Data logging with customer specifications.
-
Comparative analysis of Active Ingredients by superimposition of XRD profiles, without polymorph identification-Data logging.
-
Identification of polymorphs in Active Pharmaceutical Ingredients by X-ray Diffraction.
-
Advice on the Identification of Polymorphic Forms (Tablets – patent infringement case) by X-Ray Diffraction.
-
Identification of crystalline phases by X-Ray Diffraction (BULK, decantation separation: normal, ethylene glycol to check for the presence of expandable material, calcined at 550 °C).
-
Quantification of crystalline phases by X-Ray Diffraction (BULK, decantation separation: normal, ethylene glycol to check for the presence of expandable material, calcined at 550 °C).
-
Data logging by thermodiffraction.
-
Data logging: non-oriented clay samples (Bulk) and oriented samples: normal, glycol and calcined – Without sample preparation.
-
Identification of polymorphs in Active Pharmaceutical Ingredients by X-Ray Diffraction, without data recording.
-
Comparative analysis of Active Pharmaceutical Ingredients / finished products by superimposition of XRD profiles, without data logging.
-
Identification of the crystalline form present in a finished and semi-finished product by X-Ray Diffraction.
-
Differential Scanning Calorimetry – DSC analysis.
-
Thermogravimetric Analysis -TGA.
-
Simultaneous DSC-TGA analysis.
-
Data logging: Unoriented clay samples (Bulk) and oriented samples: normal, glycol and calcined.
-
Magaldrate identification by X-Ray Diffraction, according to USP specifications.
-
Identification of Diosmectite by Powder X-Ray Diffraction.
-
Quantification of crystalline phases by X-Ray Diffraction – No data recorded.
-
Identification of Aluminum and Magnesium Silicate by X-Ray Diffraction, according to USP-NF criteria 1 and 2.
-
Qualitative Analysis of Amorphous Active Pharmaceutical Ingredients.
-
Identification of cristobalite and other impurities in diosmectite by X-Ray Diffraction.
-
Quantitative elemental analysis by wavelength dispersive X-ray fluorescence. Combustible samples.
-
Quantitative elemental analysis by wavelength dispersive X-Ray Fluorescence in the Na-U range. Mineral and inorganic samples.
-
Quantitative elemental analysis by wavelength dispersive X-Ray Fluorescence in the Na-U range. Metallic Samples.
-
Quantitative analysis of SiO2 and Al2O3 by X-Ray Fluorescence in mineral Active Pharmaceutical Ingredients and in Diosmectite in suspension sachet.
-
Quantitative analysis of SiO2 and Al2O3 by X-Ray Fluorescence in finished mineral products and in Diosmectite in suspension sachets.
-
Data logging of single crystalline samples.
-
Resolution and structural refinement of single crystalline samples.

Our
researchers team
OUR
Recognitions
-
Microwave-assisted synthesis, biological assessment, and molecular modeling of aza-heterocycles: Potential inhibitory capacity of cholinergic enzymes to Alzheimer's disease
Scientific Article | 2021 | Journal of Molecular Structure
-
Polymorphism in the Anti-inflammatory Drug Flunixin and Its Relationship with Clonixin
Scientific Article | 2020 | Crystal Growth and Design
-
Co-crystal of succinic acid with imidazolidin-2-one: Crystal structure and hirshfeld surface analysis
Scientific Article | 2020 | Scientific Study and Research: Chemistry and Chemical Engineering, Biotechnology and Food Industry
-
IV Meeting of the Latin American Association of Crystallography
Scientific Event - Dissemination of Knowledge | 2019 | IV Reunion LACA 2019
-
II School of the Latin American Association of Crystallography
Scientific Event - Dissemination of Knowledge | 2019 | IV Reunion LACA 2019
AGREEMENTS
and allies
The UIS has established different agreements with national and international entities in order to have a greater impact on their training, teaching, research and related processes in the articulation of the public university with the different social actors.













































































































Do you want more information?
Contact Us

Research Group in Structural Chemistry (GIQUE)
Sede UIS Guatiguará
Kilómetro 2, vía Refugio (Piedecuesta, Santander)
Edificio de Investigaciones – Laboratorio 104
Email: calidadrx@uis.edu.co
PBX: +57 (607) 634 4000
Phone extension: 3512

José Antonio Henao Martínez
Group coordinator
PBX: +57 (607) 634 4000
Phone extension: 3512
Email: jahenao@uis.edu.co

Office hours:
Monday to Friday
7:00 a.m. a 12:00 m.
2:00 p.m. a 5:00 p.m.
Do you want more information?
Contact Us

Research Group in Structural Chemistry (GIQUE)
Sede UIS Guatiguará
Kilómetro 2, vía Refugio (Piedecuesta, Santander)
Edificio de Investigaciones – Laboratorio 104
Email: calidadrx@uis.edu.co
PBX: +57 (607) 634 4000
Phone extension: 3512

José Antonio Henao Martínez
Group coordinator
PBX: +57 (607) 634 4000
Phone extension: 3512
Email: jahenao@uis.edu.co

Office hours:
Monday to Friday
7:00 a.m. a 12:00 m.
2:00 p.m. a 5:00 p.m.
Do you want more information?
Contact Us

Research Group in Structural Chemistry (GIQUE)
Sede UIS Guatiguará
Kilómetro 2, vía Refugio (Piedecuesta, Santander)
Edificio de Investigaciones – Laboratorio 104
Email: calidadrx@uis.edu.co
PBX: +57 (607) 634 4000
Phone extension: 3512

José Antonio Henao Martínez
Group coordinator
PBX: +57 (607) 634 4000
Phone extension: 3512
Email: jahenao@uis.edu.co

Office hours:
Monday to Friday
7:00 a.m. a 12:00 m.
2:00 p.m. a 5:00 p.m.