Chemical Reactivity in Microheterogeneous Media

A special issue of Compounds (ISSN 2673-6918).

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 8831

Special Issue Editors


E-Mail Website1 Website2
Guest Editor
Department of Physical Chemistry, Faculty of Science, University of Vigo, Ourense, Spain
Interests: physical organic and physical inorganic chemistry; reactivity mechanisms in homogeneous and microheterogeneous media; stability of self-assembly aggregates, and supramolecular chemistry
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
1. UCIBIO, REQUIMTE, Departamento de Química, Facultade de Ciencia e Tecnologia, Universidade Nova de Lisboa, Lisboa, Portugal
2. LAQV, REQUIMTE, Departamento de Química, Facultade de Ciencia e Tecnologia, Universidade Nova de Lisboa, Lisboa, Portugal
Interests: colloids; interfaces; kinetics; physical chemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

If something has happened in the last decades it is a true revolution in the science of colloids and especially those that can be used to reproduce "in vitro" certain biological aspects, such as chemical reactions that can take place at the cellular level, the movements of substances through membranes or the behavior of finished molecules in restricted media.

On the other hand, these colloidal aggregates have a great capacity to solubilize compounds and have hydrophobic and hydrophilic properties depending on the loci of the compounds in these microheterogeneous systems, thus constituting an interesting alternative to phase transfer catalysts. They also constitute a chemical nanoreactor of a scalable size that is ideal for its use in the synthesis of new nanomaterials.

In this special issue of Compounds, we intend to compile original scientific contributions or bibliographic reviews that deal precisely with reactivity (both organic and inorganic) in these microheterogeneous media, as well as different catalytic processes that take place when chemical reactions are carried out using them as means of reaction.

Prof. Dr. Juan Mejuto
Dr. Antonio Cid-Samamed
Guest Editors

Manuscript Submission Information

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Keywords

  • microheterogeneous catalysis
  • colloids
  • nanoreactors
  • micelles
  • vesicles
  • microemulsions
  • chemical reactivity

Published Papers (3 papers)

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Editorial

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3 pages, 395 KiB  
Editorial
Chemical Reactivity in Microheterogeneous Media
by Juan C. Mejuto and Antonio Cid-Samamed
Compounds 2022, 2(3), 193-195; https://0-doi-org.brum.beds.ac.uk/10.3390/compounds2030015 - 02 Aug 2022
Viewed by 1297
Abstract
Since the second half of the last century, the science of colloids has undergone a true revolution, from being little more than a collection of qualitative observations of the macroscopic behavior of some complex systems to becoming a discipline with substantial theoretical foundations [...] Read more.
Since the second half of the last century, the science of colloids has undergone a true revolution, from being little more than a collection of qualitative observations of the macroscopic behavior of some complex systems to becoming a discipline with substantial theoretical foundations [...] Full article
(This article belongs to the Special Issue Chemical Reactivity in Microheterogeneous Media)
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Research

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19 pages, 3228 KiB  
Article
Formulation and Evaluation of Olmesartan Medoxomil Tablets
by Rocío González, María Ángeles Peña and Guillermo Torrado
Compounds 2022, 2(4), 334-352; https://0-doi-org.brum.beds.ac.uk/10.3390/compounds2040028 - 15 Nov 2022
Cited by 2 | Viewed by 4255
Abstract
This work proposes a methodology for the design, development, and characterization of tablets prepared by the direct compression method of olmesartan medoxomil. The main objective was to ensure a high dissolution rate of the active ingredient. Therefore, a rigorous selection of excipients was [...] Read more.
This work proposes a methodology for the design, development, and characterization of tablets prepared by the direct compression method of olmesartan medoxomil. The main objective was to ensure a high dissolution rate of the active ingredient. Therefore, a rigorous selection of excipients was carried out to ensure their physical and chemical compatibility with the active ingredient by scanning electron microscopy (SEM), differential scanning calorimetry (DSC) and Fourier-transform infrared spectroscopy (FT-IR) studies. The suitability of the mixture for use in direct compression was performed using SeDeM methodology. The tablets met pharmacopoeia specifications for content uniformity, breaking strength, friability, and disintegration time. Full article
(This article belongs to the Special Issue Chemical Reactivity in Microheterogeneous Media)
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Review

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13 pages, 2148 KiB  
Review
Humic Acids Aggregates as Microheterogeneous Reaction Media: Alkaline Hydrolysis Reactions
by Antonio Cid-Samamed, Luis García-Río, Juan C. Mejuto and Alejandro Saavedra
Compounds 2022, 2(2), 131-143; https://0-doi-org.brum.beds.ac.uk/10.3390/compounds2020010 - 28 Apr 2022
Viewed by 2203
Abstract
The influence of humic aggregates in a water solution upon the chemical stability under basic conditions of different substrates was reviewed. The kinetic behavior of each substrate was modeled in terms of a micellar pseudophase model. Full article
(This article belongs to the Special Issue Chemical Reactivity in Microheterogeneous Media)
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