Results 11 to 20 of about 1,324 (150)

Analysis and Quantification of Alkyl (C12-22) Trimethyl Ammonium Chloride Content in Cosmetics: Regulatory Compliance Gap Analysis

open access: yesCosmetics, 2021
Background: Exceeding the recommended Alkyl (C12-22) trimethyl ammonium bromide and chloride levels in cosmetics and personal care products is a serious health threat.
Ammar Abdulrahman Jairoun   +3 more
doaj   +1 more source

Simultaneous determination of compounds in Septalen pellets by derivative spectrophotometry [PDF]

open access: yesJournal of the Serbian Chemical Society, 2000
In this paper, a second-derivative spectrophotometric method of assaying Septalen pellets (Krka, Novo Mesto, Slovenia), which contain lidocaine 1 mg, and cetrimonium bromide 2 mg, is described.
ANDJELIJA MALENOVIC   +2 more
doaj   +2 more sources

Low-Temperature Synthesis of Titanium Oxynitride Nanoparticles

open access: yesNanomaterials, 2021
The synthesis of transition metal oxynitrides is complicated by extreme reaction conditions such as high temperatures and/or high pressures. Here, we show an unprecedented solution-based synthesis of narrowly dispersed titanium oxynitride nanoparticles ...
Felicitas Jansen   +5 more
doaj   +1 more source

Three-dimensional atomic mapping of ligands on palladium nanoparticles by atom probe tomography

open access: yesNature Communications, 2021
Despite the important role of ligands in designing nanoparticles, directly imaging them on the nanoparticle surface remains a challenge. Here, the authors use atom probe tomography to map the spatial distribution of ligands on nanoparticles and reveal ...
Kyuseon Jang   +6 more
doaj   +1 more source

Fabrication of Silver Nanoparticles in Aqueous Solution by Laser Technique and Study of Their Hemocompatibility and Antibacterial Effects Against Dental Decay Bacteria [PDF]

open access: yesEngineering and Technology Journal, 2023
Silver nanoparticles (Ag NPs) were prepared by laser ablation of a silver bulk immersed in cetrimonium bromide (CTAB). The immersed sheet was focused by a pulsed Nd:YAG laser at 1064 nm, 600 mJ at room temperature, a pulse duration of 10 ns, and a ...
Ruaa Abbas   +2 more
doaj   +1 more source

Application of Nanotechnology in Oil and Gas Industry: Synthesis and Characterization of Organo-modified Bentonite from Boane Deposit and its Application in Produced Water Treatment

open access: yesChemical Engineering Transactions, 2020
Ca-bentonite sample from Boane region, Maputo Province, Mozambique exhibiting a white colour was organo-modified and subsequently evaluated for uses as an adsorbent for the treatment of produced water from a natural gas production platform.
Afonso D. Macheca, Bonaventure Uwiragiye
doaj   +1 more source

Stability, thermal conductivity and rheological properties of graphene and MWCNT in nanolubricant using additive surfactants

open access: yesCase Studies in Thermal Engineering, 2021
This study presents the stability, thermal conductivity and rheological properties of Graphene (GR) and Multi-wall carbon nanotube (MWCNT) in SUNISO SL68 Oil with different surfactants.
Aws S. Al-Janabi   +2 more
doaj   +1 more source

Application of dispersive liquid–liquid microextraction and high-performance liquid chromatography for the determination of cetrimonium bromide in water samples [PDF]

open access: yesشیمی کاربردی روز, 2013
A simple, rapid and sensitive method for the determination of cetrimonium bromide at trace levels in water samples was developed by combining a dispersive liquid –liquid microextraction (DLLME) technique with high performance liquid ...
Maryam Rajabi, Mehri Ghazaghi
doaj   +1 more source

Nanoparticle surface coatings produce distinct antibacterial effects that are consistent across diverse bacterial species

open access: yesFrontiers in Toxicology, 2023
Nanoparticles have been proposed as tunable delivery vehicles for targeted treatments and, in some cases, the active therapeutic agents themselves. Despite the promise of such customizable impacts, little evidence exists to support these claims in the ...
Thelma Ameh   +4 more
doaj   +1 more source

Electrical and Thermal Conductivity of Cyclic Natural Rubber/Graphene Nanocomposite Prepared by Solution Mixing Technique

open access: yesIndonesian Journal of Chemistry, 2020
Thermal and electrical conductivity studies of Cyclic Natural Rubber nanocomposite with graphene 1 and 2 phr (G1 and G2) and modified 1 and 2 graphenes (mG1 and mG2) have been carried out.
Vivi Purwandari   +5 more
doaj   +1 more source

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