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ChemEngineering
Special Issues
Supramolecular Synthesis in Chemical Engineering
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Supramolecular Synthesis in Chemical Engineering

A special issue of ChemEngineering (ISSN 2305-7084).

Deadline for manuscript submissions: 30 June 2024 | Viewed by 2292

Special Issue Editor

Dr. Pathik Sahoo

E-Mail Website
Guest Editor
International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki Tsukuba, Ibaraki 305-0044, Japan
Interests: crystal engineering; polymorphism; supramolecular gel; photocatalysis; environmental chemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The exploitation of supramolecular bonding behind designing a series of supramolecular materials for a wide range of applications promotes the chemical society in developing some exciting fields of chemical technologies. The movement with the host-guest systems was initiated by Donald J. Cram, Jean-Marie Lehn and Charles J. Pedersen, recognized by the Noble prize in Chemistry 1987 "for their development and use of molecules with structure-specific interactions of high selectivity" and now materialized by different fields of scientists for the advancement of civilization. We aim to bring this special issue to developing the chemical engineering technologies by exploring supramolecular materials like MOF, supramolecular gels, pharmaceutical co-crystals, supramolecular containers, etc.

Here we invite authors to submit review articles, novel and original works to this special issue which could increasingly spread and advance our scientific understanding. This issue will emphasize the following areas mentioned as keywords, but could even be diversified further. 

Before submission authors are requested to read carefully the journal declines for authors. Review papers can only be submitted by editorial invitation. Please note that the papers that match with the scope of this Special Issue will only be considered.

Dr. Pathik Sahoo
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. ChemEngineering is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • supramolecular materials
  • metal-organic framework for catalysis, sensing, gas storage
  • supramolecular gels for drug delivery, bio-medical applications, oil removal etc.
  • pharmaceutical co-crystals for medical purposes
  • artificial biomaterials
  • supramolecular catalysts

Published Papers (1 paper)

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11 pages, 1125 KiB  
Perspective
Designing Heat-Set Gels for Crystallizing APIs at Different Temperatures: A Crystal Engineering Approach
by Pathik Sahoo
ChemEngineering 2022, 6(5), 65; https://doi.org/10.3390/chemengineering6050065 - 26 Aug 2022
Cited by 5 | Viewed by 1703
Abstract
An organic salt crystallizes through different kinds of charge-assisted hydrogen-bonded networks depending on carboxylic functionality number and the degree of amine. These H-bonded packing patterns are often robust and predictable, so one can design a supramolecular salt with a certain purpose. In some [...] Read more.
An organic salt crystallizes through different kinds of charge-assisted hydrogen-bonded networks depending on carboxylic functionality number and the degree of amine. These H-bonded packing patterns are often robust and predictable, so one can design a supramolecular salt with a certain purpose. In some cases, two different crystalline packing patterns can be found in Primary Ammonium Dicarboxylate (PAD) salts at different temperatures. Two kinds of supramolecular bonding, namely, charge-assisted hydrogen bonding and weak van der Waals interactions stabilize the two states. A small increase in the carbon chain length in a primary amine enhances the additional van der Waals interactions with the packing so that the 2D hydrogen-bonded network (HBN) transforms into a 1D HBN at room temperature. Such van der Waals interactions can be controlled by external heat, so a temperature-dependent 1D to 2D phase change is feasible. When certain moieties, such as azo and bipyridine, are introduced into the carboxylic acid backbone, the acids become insoluble in most organic solvents, raising their melting point, and resulting in heat-set gels. In the presence of an API, temperature and solvent-dependent polymorphic crystals can be grown in the heat-set gel medium and by simply cooling down the mixture, the API crystals can be separated easily. Full article
(This article belongs to the Special Issue Supramolecular Synthesis in Chemical Engineering)
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