{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T05:04:04Z","timestamp":1789621444605,"version":"build-2803163510"},"reference-count":100,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T00:00:00Z","timestamp":1789430400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Mol. Sci.","IJMS"],"abstract":"<jats:p>Ammonia (NH3) is a valuable resource for agriculture and a promising carbon-neutral hydrogen carrier, but current industrial emissions result in excessive environmental\/health impacts. Popular approaches to removal\u2014such as acid\/water scrubbing and ionic liquids\u2014are limited due to solvent volatility, costly regeneration, secondary salt wastes, or costly synthesis. Deep eutectic solvents (DESs) represent a sustainable and task-specific alternative, characterized by low vapor pressure and the capacity for straightforward, low-cost chemical customization. This review presents a digest of literature synthesis combining molecular design strategies, thermodynamic\/atomistic mechanisms of absorption, process-scale modeling, and sensing applications for NH3, together with a classification of key DES synthesis protocols, including protic, multiacid\/weak acid, azole-based, non-halide, supramolecular host\u2013guest, and metal-coordinated systems. These synthesis strategies are designed to optimize absorption capacity, selectivity for NH3\/CO2, transfer efficiency, and ease of regeneration. Molecular dynamics simulations and spectroscopies have been examined to elucidate the overall mechanism of absorption for a two-phase system (specific H-bonding, followed by weak physical dissolution), which dominates within DESs using specific atomistic interactions (hydroxyl-, amino-, or ammonium-residue) and van der Waals forces. Emerging sensing methods of DES have been briefly investigated (microextraction techniques: AALLME, DLLME; mobile phone colorimetry; and chemoresistive sensors). This work highlights the need for closer alignment between the atomistic models and the design of the sensor.<\/jats:p>","DOI":"10.3390\/ijms27188206","type":"journal-article","created":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T11:57:34Z","timestamp":1789473454000},"page":"8206","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Deep Eutectic Solvents for Ammonia Capture and Detection: Molecular Design, Absorption Mechanisms, and Analytical Applications: A Brief Review"],"prefix":"10.3390","volume":"27","author":[{"given":"Balzhan","family":"Satanova","sequence":"first","affiliation":[{"name":"Institute of Physical and Technical Sciences, L. N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dinara","family":"Kalmanova","sequence":"additional","affiliation":[{"name":"Institute of Physical and Technical Sciences, L. N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aizhan","family":"Zhexembayeva","sequence":"additional","affiliation":[{"name":"Institute of Physical and Technical Sciences, L. N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7621-5444","authenticated-orcid":false,"given":"Omirzak","family":"Abdirashev","sequence":"additional","affiliation":[{"name":"Institute of Physical and Technical Sciences, L. N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aisulu","family":"Abuova","sequence":"additional","affiliation":[{"name":"Institute of Physical and Technical Sciences, L. N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fatima","family":"Abuova","sequence":"additional","affiliation":[{"name":"Institute of Physical and Technical Sciences, L. N. 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N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan"},{"name":"Institute of Solid State Physics, University of Latvia, LV-1063 Riga, Latvia"},{"name":"Ventspils International Radio Astronomy Centre, Ventspils University of Applied Sciences, LV-3601 Ventspils, Latvia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,9,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"113307","DOI":"10.1016\/j.microc.2025.113307","article-title":"An eco-friendly method using NADES as catalyst in the derivatization of ammonia for air quality determination","volume":"212","author":"Moreira","year":"2025","journal-title":"Microchem. 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