PMID- 24555838
OWN - NLM
STAT- MEDLINE
DCOM- 20141113
LR  - 20181202
IS  - 1520-5207 (Electronic)
IS  - 1520-5207 (Linking)
VI  - 118
IP  - 11
DP  - 2014 Mar 20
TI  - Micellization of cetyltrimethylammonium bromide: effect of small chain Bola 
      electrolytes.
PG  - 3041-52
LID - 10.1021/jp4108427 [doi]
AB  - Sodium dicarboxylates (or Bola salts) with methylene spacers 0, 2, 4, 6, 8, and 
      10 were studied in aqueous solution to investigate their influence on the 
      micellization of cetyltrimethylammonium bromide (CTAB). Since bolas with spacer 
      length </=12 are known not to micellize in general, the herein used sodium 
      dicarboxylates were treated as 2:1 amphiphilic electrolytes which reduced surface 
      tension of water (except sodium oxalate with zero spacer) without 
      self-association. Their concentration dependent conductance was also linear 
      without breaks. The bolas affected the micellization of CTAB but acted like salts 
      to decrease its CMC. Their combinations did not form bilayer aggregates as found 
      in vesicles. Nevertheless, they synergistically interacted with CTAB at the 
      air/water interface as revealed from Rosen's thermodynamic model. Hydrodynamic 
      radius (Rh), Zeta-potential (zeta), and electrical double layer behavior of bola 
      interacted CTAB micelles were assessed. From SANS measurements, micelle shape, 
      shape parameters, aggregation number (Nagg), surface charge of the bola 
      influenced CTAB micelles were also determined. NMR study as well supported the 
      non-mixing of bolas with the CTAB micelles. They interacted in solution like 
      "amphiphilic electrolytes" to influence the surface and micelle forming 
      properties of CTAB.
FAU - Pan, Animesh
AU  - Pan A
AD  - Centre for Surface Science and  section signIndian Society for Surface Science & Technology, 
      Department of Chemistry, Jadavpur University , Kolkata 700 032, India.
FAU - Sil, Pallabi
AU  - Sil P
FAU - Dutta, Sounak
AU  - Dutta S
FAU - Das, Prasanta Kumar
AU  - Das PK
FAU - Bhattacharya, Subhash Chandra
AU  - Bhattacharya SC
FAU - Rakshit, Animesh Kumar
AU  - Rakshit AK
FAU - Aswal, Vinod Kumar
AU  - Aswal VK
FAU - Moulik, Satya Priya
AU  - Moulik SP
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20140310
PL  - United States
TA  - J Phys Chem B
JT  - The journal of physical chemistry. B
JID - 101157530
RN  - 0 (Cetrimonium Compounds)
RN  - 0 (Electrolytes)
RN  - 0 (Micelles)
RN  - Z7FF1XKL7A (Cetrimonium)
SB  - IM
MH  - Cetrimonium
MH  - Cetrimonium Compounds/*chemistry
MH  - Electrolytes/*chemistry
MH  - *Micelles
MH  - Models, Biological
MH  - Models, Molecular
EDAT- 2014/02/22 06:00
MHDA- 2014/11/14 06:00
CRDT- 2014/02/22 06:00
PHST- 2014/02/22 06:00 [entrez]
PHST- 2014/02/22 06:00 [pubmed]
PHST- 2014/11/14 06:00 [medline]
AID - 10.1021/jp4108427 [doi]
PST - ppublish
SO  - J Phys Chem B. 2014 Mar 20;118(11):3041-52. doi: 10.1021/jp4108427. Epub 2014 Mar 
      10.