Zwitterionic Surfactant Micelle-Directed Self-Assembly of Eu-Containing Polyoxometalate into Organized Nanobelts with Improved Emission and pH Responsiveness

Langmuir : the ACS Journal of Surfaces and Colloids
Nana LeiXiao Chen

Abstract

Recently, hybrid coassembly between polyoxometalates (POMs) and cationic building blocks provides an efficient strategy to greatly optimize POMs' functionality as well as their aggregate structural diversity. Adaptive hybrid supramolecular materials with enhanced luminescence have then been obtained from lanthanide-containing POMs. In this work, a commercially available and pH-switchable zwitterionic surfactant, tetradecyldimethylamine oxide (C14DMAO), was chosen to coassemble with a lanthanide-containing anionic POM [Na9(EuW10O36)·32H2O, abbreviated as EuW10] in water. The much improved red-emitting luminescent nanobelts at a C14DMAO/EuW10 molar ratio ( R) of 20 were obtained, which exhibited longer luminescence lifetime and higher quantum yield compared with EuW10 aqueous solution. After careful characterization of morphology and structure of nanobelts, an unusual axial lamellar aggregation arrangement mechanism was proposed. It was the partial protonation of C14DMAO at the solution pH of about 6.5 that led to positively charged micelles, being bridged by anionic EuW10 clusters to aggregate into such novel nanobelts under the synergetic effects of appropriate electrostatic, hydrogen-bonding, and hydrophobic interactions. The ...Continue Reading

References

Feb 24, 2001·Advances in Colloid and Interface Science·H Maeda, R Kakehashi
Jun 15, 2005·Langmuir : the ACS Journal of Surfaces and Colloids·Hideya KawasakiHiroshi Maeda
Apr 6, 2006·Langmuir : the ACS Journal of Surfaces and Colloids·Arthur Goldsipe, Daniel Blankschtein
Dec 18, 2008·Dalton Transactions : an International Journal of Inorganic Chemistry·Kyra LunstrootAndré Vioux
Feb 11, 2010·Physical Chemistry Chemical Physics : PCCP·Kyra LunstrootKoen Binnemans
Sep 22, 2011·Journal of the American Chemical Society·Jing LiuNobuo Kimizuka
Aug 2, 2012·Chemical Society Reviews·Yu-Fei Song, Ryo Tsunashima
Oct 1, 2013·Langmuir : the ACS Journal of Surfaces and Colloids·Masa-Aki MorikawaNobuo Kimizuka
Apr 9, 2015·ACS Applied Materials & Interfaces·Lu XuShuli Dong
May 13, 2015·Langmuir : the ACS Journal of Surfaces and Colloids·Wenrong ZhaoJingcheng Hao
Aug 25, 2015·Journal of the American Chemical Society·Pangkuan ChenNiels Holten-Andersen
Aug 20, 2016·Soft Matter·Lei FengJingcheng Hao
Aug 23, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Yongxian GuoLi Yu
Sep 9, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Teng ZhangLixin Wu
Oct 7, 2016·Chemical Communications : Chem Comm·Xiaofeng SunHongguang Li
May 17, 2017·Accounts of Chemical Research·Bao LiLixin Wu
Feb 27, 2018·ACS Applied Materials & Interfaces·Qingdi ZhuNiels Holten-Andersen
Nov 21, 2018·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Xiaofeng SunJingcheng Hao

❮ 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.