<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-04-15T22:09:44Z</responseDate><request verb="GetRecord" identifier="oai:repository.ucc.edu.co:20.500.12494/57840" metadataPrefix="dim">https://repository.ucc.edu.co/server/oai/request</request><GetRecord><record><header><identifier>oai:repository.ucc.edu.co:20.500.12494/57840</identifier><datestamp>2024-12-12T08:02:48Z</datestamp><setSpec>com_20.500.12494_36578</setSpec><setSpec>com_20.500.12494_36577</setSpec><setSpec>col_20.500.12494_41230</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
   <dim:field mdschema="dc" element="contributor" qualifier="author">Delgado, Daniel Ricardo</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author">Castro-Camacho, Jennifer Katiusca</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author">Ortiz, Claudia</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author">Caviedes Rubio, Diego Ivan</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author">Martinez, Fleming</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="researchgroup">Grupo de Investigación de Ingenierías UCC-Neiva</dim:field>
   <dim:field mdschema="dc" element="coverage" qualifier="spatial">Mundial</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="accessioned">2024-12-10T16:08:07Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="available">2024-12-10T16:08:07Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued">2024-11-26</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="citation">MDPI and ACS Style
Delgado, D.R.; Castro-Camacho, J.K.; Ortiz, C.P.; Caviedes-Rubio, D.I.; Martinez, F. Dissolution Thermodynamics of the Solubility of Sulfamethazine in (Acetonitrile + 1-Propanol) Mixtures. Pharmaceuticals 2024, 17, 1594. https://doi.org/10.3390/ph17121594

AMA Style
Delgado DR, Castro-Camacho JK, Ortiz CP, Caviedes-Rubio DI, Martinez F. Dissolution Thermodynamics of the Solubility of Sulfamethazine in (Acetonitrile + 1-Propanol) Mixtures. Pharmaceuticals. 2024; 17(12):1594. https://doi.org/10.3390/ph17121594

Chicago/Turabian Style
Delgado, Daniel Ricardo, Jennifer Katiusca Castro-Camacho, Claudia Patricia Ortiz, Diego Ivan Caviedes-Rubio, and Fleming Martinez. 2024. "Dissolution Thermodynamics of the Solubility of Sulfamethazine in (Acetonitrile + 1-Propanol) Mixtures" Pharmaceuticals 17, no. 12: 1594. https://doi.org/10.3390/ph17121594

APA Style
Delgado, D. R., Castro-Camacho, J. K., Ortiz, C. P., Caviedes-Rubio, D. I., &amp; Martinez, F. (2024). Dissolution Thermodynamics of the Solubility of Sulfamethazine in (Acetonitrile + 1-Propanol) Mixtures. Pharmaceuticals, 17(12), 1594. https://doi.org/10.3390/ph17121594</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="issn">1424-8247</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="uri">https://hdl.handle.net/20.500.12494/57840</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="doi">doi.org/10.3390/ph17121594</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="abstract">Background: Solubility is one of the most important parameters in the research and development processes of the pharmaceutical industry. In this context, cosolubility is one of the most used strategies to improve the solubility of poorly soluble drugs, besides allowing to identify some factors involved in the dissolution process. The aim of this research is to evaluate the solubility of sulfamethazine in acetotinitrile + 1-propanol cosolvent mixtures at 9 temperatures (278.15, 283.15, 288.15, 293.15, 298.15, 303.15, 308.15, 313.15, and 318.15 K); a drug used in human and veterinary therapy and two solvents of great chemical–pharmaceutical interest. Methods: The determination was carried out by the shaking flask method and the drug was quantified by UV/Vis spectrophotometry. Results: The solubility of sulfamethazine increases from pure 1-propanol (solvent in which it reaches its lowest solubility at 278.15 K) to pure acetonitrile (solvent in which it reaches its maximum solubility at 318.15 K), behaving in a logarithmic-linear fashion. Conclusions: The increase in solubility is related to the acid/base character of the cosolvent mixtures and not to the solubility parameter of the mixtures. The dissolution process is endothermic and favored by the solution entropy, and also shows a strong entropic compensation.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="sponsorship">Universidad Cooperativa de Colombia</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="funder">Financiación en dinero y especie</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="researcharea">Energías, agua y medio ambiente</dim:field>
   <dim:field mdschema="dc" element="format" qualifier="extent">pdf</dim:field>
   <dim:field mdschema="dc" element="format" qualifier="mimetype">application/pdf</dim:field>
   <dim:field mdschema="dc" element="language" qualifier="iso">eng</dim:field>
   <dim:field mdschema="dc" element="publisher">Universidad Cooperativa de Colombia</dim:field>
   <dim:field mdschema="dc" element="publisher" qualifier="place">Neiva</dim:field>
   <dim:field mdschema="dc" element="rights" lang="eng">Creative Commons Attribution (CC BY)</dim:field>
   <dim:field mdschema="dc" element="rights" qualifier="uri">http://creativecommons.org/licenses/by/4.0/</dim:field>
   <dim:field mdschema="dc" element="rights" qualifier="accessrights">info:eu-repo/semantics/openAccess</dim:field>
   <dim:field mdschema="dc" element="rights" qualifier="creativecommons" lang="en">Attribution 4.0 International</dim:field>
   <dim:field mdschema="dc" element="rights" qualifier="coar">http://purl.org/coar/access_right/c_abf2</dim:field>
   <dim:field mdschema="dc" element="source">https://www.mdpi.com/1424-8247/17/12/1594</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="ddc">540 - Química y ciencias afines</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="proposal" lang="eng">sulfamethazine</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="proposal" lang="eng">solubility</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="proposal" lang="eng">acetonitrile</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="proposal" lang="eng">1-propanol</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="proposal" lang="eng">cosolvency</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="proposal" lang="eng">solution thermodynamics</dim:field>
   <dim:field mdschema="dc" element="title" lang="eng">Dissolution Thermodynamics of the Solubility of Sulfamethazine in (Acetonitrile + 1-Propanol) Mixtures</dim:field>
   <dim:field mdschema="dc" element="type">Artículo de revista</dim:field>
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   <dim:field mdschema="dc" element="relation" qualifier="citationendpage">16</dim:field>
   <dim:field mdschema="dc" element="relation" qualifier="citationissue">12</dim:field>
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   <dim:field mdschema="dc" element="relation" qualifier="citationvolume">17</dim:field>
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   <dim:field mdschema="oaire" element="awardtitle">ANÁLISIS TERMODINÁMICO DE LA SOLUBILIDAD DE ALGUNOS FÁRMACOS EN SISTEMAS COSOLVENTES DE USO INDUSTRIAL</dim:field>open.access</dim:dim></metadata></record></GetRecord></OAI-PMH>