Thermodynamics of micellization of multiheaded single-chain cationic surfactants

Langmuir : the ACS Journal of Surfaces and Colloids
Santanu Bhattacharya, Jayanta Haldar

Abstract

The energetics of micelle formation of three single-chain cationic surfactants bearing single (h = 1), double (h = 2), and triple (h = 3) trimethylammonium [(+)N(CH(3))(3)] headgroups have been investigated by microcalorimetry. The results were compared with the microcalorimetric data obtained from well-known cationic surfactant, cetyl trimethylammonium bromide (CTAB), bearing a single chain and single headgroup. The critical micellar concentrations (cmc's) and the degrees of counterion dissociation (alpha) of micelles of these surfactants were also determined by conductometry. The cmc and the alpha values increased with the increase in the number of headgroups of the surfactant. The relationship between the cmc of the surfactant in solution and its free energy of micellization (DeltaG(m)) was derived for each surfactant. Exothermic enthalpies of micellization (DeltaH(m)) and positive entropies of micellization (DeltaS(m)) were observed for all the surfactants. Negative DeltaH(m) values increased from CTAB to h = 1 to h = 2 and decreased for h = 3 whereas DeltaS(m) values decreased with increase in the number of headgroups. The DeltaG(m) values progressively became less negative with the increase in the number of headgroups. Th...Continue Reading

References

Aug 15, 2000·Angewandte Chemie·F M Menger, J S Keiper

❮ Previous
Next ❯

Citations

Mar 7, 2013·Bioconjugate Chemistry·Defu ZhiDefeng Zhao
Jul 31, 2009·Chemical Communications : Chem Comm·Santanu Bhattacharya, Avinash Bajaj
Jun 24, 2014·Journal of Agricultural and Food Chemistry·Zhi-Li WanXiao-Quan Yang
Oct 12, 2014·Colloids and Surfaces. B, Biointerfaces·Joana F FangueiroEliana B Souto
Oct 28, 2011·The Journal of Physical Chemistry. B·K Srinivasa RaoArvind Kumar
Aug 10, 2012·Langmuir : the ACS Journal of Surfaces and Colloids·Aparna RoySumita Roy
Oct 30, 2012·Colloids and Surfaces. B, Biointerfaces·Wei Wang, Wensheng Lu
Jan 3, 2009·Journal of Colloid and Interface Science·Karolina Z RoszakKevin L Caran
Nov 10, 2013·Colloids and Surfaces. B, Biointerfaces·Victoria Isabel MartínMaría Luisa Moyá
May 31, 2011·Journal of Colloid and Interface Science·Aurélie LavergneJean-Marie Aubry
Mar 2, 2012·Journal of Colloid and Interface Science·Tomokazu YoshimuraKeisuke Matsuoka
Jul 19, 2011·Journal of Colloid and Interface Science·Qun ZhangYilin Wang
Nov 24, 2012·Organic & Biomolecular Chemistry·M CepedaM Pessêgo
Jun 9, 2016·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Nilanjan Dey, Santanu Bhattacharya
Jul 14, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Rita Ghosh, Joykrishna Dey
Oct 22, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Santanu Bhattacharya, Joydeep Biswas
Sep 25, 2009·The Journal of Physical Chemistry. B·Suman K SamantaPrabal K Maiti
Oct 12, 2007·The Journal of Physical Chemistry. B·Xu HuangYilin Wang
Apr 30, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Chunxian WuYilin Wang
Apr 21, 2011·The Journal of Physical Chemistry Letters·Santanu Bhattacharya, Suman K Samanta
Nov 12, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Swati DeS Ramakrishnan
Feb 7, 2015·Journal of Medicinal Chemistry·Bogdan Draghici, Marc A Ilies
Feb 5, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Santanu Bhattacharya, Joydeep Biswas
Aug 14, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Liangying JiaXu Wang
Aug 24, 2021·Food Chemistry·Guoxiu ZhaoXiuying Liu
Nov 3, 2005·Langmuir : the ACS Journal of Surfaces and Colloids·Sumita Roy, Joykrishna Dey
Dec 14, 2005·Langmuir : the ACS Journal of Surfaces and Colloids·Rajendra Narayan MitraPrasanta Kumar Das
Jun 15, 2005·Langmuir : the ACS Journal of Surfaces and Colloids·Santanu Bhattacharya, Jayanta Haldar
Oct 4, 2006·Langmuir : the ACS Journal of Surfaces and Colloids·Sisir DebnathPrasanta Kumar Das
Mar 6, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·B Vijai Shankar, Archita Patnaik
Mar 10, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·Bin DongTohru Inoue

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.