Total Description of Intrinsic Amphiphile Aggregation: Calorimetry Study and Molecular Probing
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F18%3A10386108" target="_blank" >RIV/00216208:11310/18:10386108 - isvavai.cz</a>
Alternative codes found
RIV/61389013:_____/18:00497397
Result on the web
<a href="https://doi.org/10.1021/acs.langmuir.8b03462" target="_blank" >https://doi.org/10.1021/acs.langmuir.8b03462</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1021/acs.langmuir.8b03462" target="_blank" >10.1021/acs.langmuir.8b03462</a>
Alternative languages
Result language
angličtina
Original language name
Total Description of Intrinsic Amphiphile Aggregation: Calorimetry Study and Molecular Probing
Original language description
Isothermal titration calorimetry (ITC) is an apt tool for a total thermodynamic description of self-assembly of atypical amphiphiles such as anionic boron cluster compounds (COSAN) in water. Global fitting of ITC enthalpograms reveals remarkable features that differentiate COSAN from classical amphiphiles: (i) strong enthalpy and weak entropy contribution to the free energy of aggregation, (ii) low degree of counterion binding, and (iii) very low aggregation number, leading to deviations from the ideal closed association model. The counterion condensation obtained from the thermodynamic model was compared with the results of 7Li DOSY NMR of Li[COSAN] micelles, which allows direct tracking of Li cations. The basic thermodynamic study of COSAN alkaline salt aggregation was complemented by NMR and ITC experiments in dilute Li/NaCl and acetonitrile aqueous solutions of COSAN. The strong affinity of acetonitrile molecules to COSAN clusters was microscopically investigated by all-atomic molecular dynamics simulations. The impact of ionic strength on COSAN self-assembling was comparable whereas even a small amount of acetonitrile cosolvent has a pronounced nonclassical character demonstrates that large self-assembling changes are triggered by traces of organic solvents. to the behavior of classical amphiphiles, of COSAN aggregation. It demonstrates that large self-assembling changes are triggered by traces of organic solvents.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10403 - Physical chemistry
Result continuities
Project
<a href="/en/project/GA17-00648S" target="_blank" >GA17-00648S: Chaotrope, hydrotrope or surfactant? Anionic boron cluster compounds in water and in complexes with polymers</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Langmuir: the ACS journal of surfaces and colloids
ISSN
0743-7463
e-ISSN
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Volume of the periodical
34
Issue of the periodical within the volume
47
Country of publishing house
US - UNITED STATES
Number of pages
10
Pages from-to
14448-14457
UT code for WoS article
000451789300037
EID of the result in the Scopus database
2-s2.0-85056887024