NDLI: J-complexes of retinol formed within the nanoparticles prepared from microemulsions

Content Provider	Springer Nature Link
Author	Destrée, C. George, S. Champagne, B. Guillaume, M. Ghijsen, J. B.Nagy, J.
Copyright Year	2007
Abstract	Retinol nanoparticles have been obtained by direct precipitation of retinol in the inner water cores of AOT/heptane/water microemulsions. The retinol dissolved in chloroform was injected into the microemulsion. The diameter of the so-obtained nanoparticles was measured using transmission electron microscope pictures where the revelation was made thanks to adsorbed iodine on the nanoparticles. The size is ca 6.0 nm, and it is not dependent either on the size of the water droplets or the concentration of the retinol molecules. This phenomenon is explained by the thermodynamic stabilization of the nanoparticles at a certain size. UV-visible spectra of the nanoparticles show a new band the maximum of which has a bathochromic shift with respect to the absorption band of the retinol monomers. If the bathochromic shift is plotted as a function of the line width, a linear correlation is obtained, the line width is decreasing with increasing shift. This behavior is interpreted as being due to an excitonic transition of a J-complex. Quantum chemical calculations have been carried out to confirm the presence of J-complexes. Taking into account the various possible geometries, the results confirm the presence of J-complexes composed of three head-to-tail molecules on the average.
Starting Page	15
Ending Page	30
Page Count	16
File Format	PDF
ISSN	0303402X
Journal	Colloid and Polymer Science
Volume Number	286
Issue Number	1
e-ISSN	14351536
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-06-13
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nanoparticles Microemulsions Food Science Physical Chemistry Characterization and Evaluation of Materials Soft Matter, Complex Fluids Polymer Sciences
Content Type	Text
Resource Type	Article
Subject	Colloid and Surface Chemistry Materials Chemistry Physical and Theoretical Chemistry Polymers and Plastics

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

J-complexes of retinol formed within the nanoparticles prepared from microemulsions

Formation of zinc sulfide and hydroxylapatite nanoparticles in polyelectrolyte-modified microemulsions

Formation of organically and inorganically passivated CdS nanoparticles in reverse microemulsions

Growth of silica nanoparticles in methylmethacrylate-based water-in-oil microemulsions

Surface active inverse micelles

Polyampholyte-modified ionic microemulsions

Styrene and methylmethacrylate oil-in-water microemulsions

Preparation and characterization of cross-linked hyaluronan nanoparticles

Self-assembled ultra-thin coatings of octadecyltrichlorosilane (OTS) formed at the surface of iron oxide nanoparticles

J-complexes of retinol formed within the nanoparticles prepared from microemulsions

Similar Documents

J-complexes of retinol formed within the nanoparticles prepared from microemulsions

Formation of zinc sulfide and hydroxylapatite nanoparticles in polyelectrolyte-modified microemulsions

Formation of organically and inorganically passivated CdS nanoparticles in reverse microemulsions

Growth of silica nanoparticles in methylmethacrylate-based water-in-oil microemulsions

Surface active inverse micelles

Polyampholyte-modified ionic microemulsions

Styrene and methylmethacrylate oil-in-water microemulsions

Preparation and characterization of cross-linked hyaluronan nanoparticles

Self-assembled ultra-thin coatings of octadecyltrichlorosilane (OTS) formed at the surface of iron oxide nanoparticles

J-complexes of retinol formed within the nanoparticles prepared from microemulsions