Advanced oxidation (H₂O₂ and/or UV) of functionalized carbon nanotubes (CNT-OH and CNT-COOH) and its influence on the stabilization of CNTs in water and tannic acid solution

Environmental Pollution
Bożena CzechAgnieszka Wiącek

Abstract

The properties of carbon nanotubes (CNTs) functionalized with -OH and -COOH groups during simulated water treatment with H2O2 and/or UV were tested. There following properties of CNTs were investigated: specific surface area, elemental composition (CHN), dynamic light scattering, Raman spectroscopy, X-ray photoelectron spectroscopy and changes in the CNTs structure were observed using transmission electron microscopy. Treatment of CNTs with H2O2 and/or UV affected their properties. This effect, however, was different depending on the functionalization of CNTs and also on the factor used (UV and/or H2O2). H2O2 plays a key role as a factor modifying the surface of CNT-OHs, whereas the properties of CNT-COOHs were most affected by UV rays. A shortening of the nanotubes, exfoliation, the opening of their ends, and changes in the surface charge were observed as a result of the action of UV and/or H2O2. The changes in observed parameters may influence the stability of the aqueous suspensions of CNTs.

References

Jul 26, 2008·Nature Nanotechnology·Dan LiGordon G Wallace
Sep 5, 2008·Environmental Science & Technology·Daohui Lin, Baoshan Xing
Dec 17, 2009·Environmental Science & Technology·Lingjun KongRichard G Zepp
Mar 27, 2010·Environmental Science & Technology·Yu Sik Hwang, Qilin Li
Aug 7, 2010·Environmental Science & Technology·Adamo R PetosaNathalie Tufenkji
Dec 1, 2010·Nanoscale·Julie RussierAlberto Bianco
Feb 26, 2011·The Journal of Physical Chemistry. a·Yong ZhaoAlexander Star
Mar 10, 2011·Journal of Environmental Monitoring : JEM·Fadri Gottschalk, Bernd Nowack
Oct 13, 2011·Environmental Science & Technology·Elijah J PetersenKai Loon Chen
Nov 1, 2011·Environmental Toxicology and Chemistry·Bernd NowackStephen J Klaine
Jan 3, 2012·Environment International·Geoffrey S SimateLubinda F Walubita
Apr 30, 2013·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Gregg P KotcheyAlexander Star
Jul 17, 2013·Advanced Drug Delivery Reviews·Gregg P KotcheyAlexander Star
Oct 2, 2013·Environmental Science & Technology·Peng Yi, Kai Loon Chen
Jan 1, 2013·Environmental Science. Processes & Impacts·Nicole C MuellerBernd Nowack

❮ 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.