Results 51 to 60 of about 3,968 (205)

Clay-biosurfactant materials as functional drug delivery systems: Slowing down effect in the in vitro release of cinnamic acid [PDF]

open access: yes, 2017
The main objectives of the present paper were the preparation and characterization of new surfactant-modified clays and the evaluation of their potential applicability as drug delivery systems for the oral administration of the cinnamic acid (CA) drug ...
Calabrese, I   +4 more
core   +1 more source

Ambient Stable Triboelectric Nanogenerator Based on Conductive Filler Modified Silicone Rubber with Gas Barrier Encapsulation for Footstep Energy Conversion

open access: yesAdvanced Science, Volume 13, Issue 10, 18 February 2026.
A humidity‐tolerant triboelectric nanogenerator is developed using conductive carbon black‐modified silicone rubber and a flame‐retardant gas barrier layer. The device efficiently harvests footstep energy while maintaining stable output under 30–90% RH and over 1 million cycles.
Yi Wei   +7 more
wiley   +1 more source

Organoclay interaction response to sedimentary environment and sources in Paleogene shales from the Nanpu Sag: Insights for organic matter accumulation mechanism

open access: yesThe Depositional Record, Volume 12, Issue 1, February 2026.
The deep paleo‐lake, characterised by low energy and moderate salinity, facilitated the input of fine‐grained minerals and the development of aquatic organic matter. Under the combined influence of the sedimentary environment and material source, mineral‐bound organic matter was formed, which played a crucial role in the enrichment of organic matter ...
Rusi Zuo   +6 more
wiley   +1 more source

Development of antibacterial magnetic clay-based nanocomposites for water treatment

open access: yesComptes Rendus. Chimie
Organoclays were prepared using Argentinean montmorillonite (Mt), hexadecyltrimethylammonium, or benzalkonium chloride at different concentrations. Surfactant incorporation, a key factor in biocide capacity, was estimated using interlayer space and ...
Horue, Manuel   +8 more
doaj   +1 more source

SYNTHESIS AND CHARACTERIZATION OF HDTMA-ORGANOCLAYS: INSIGHTS INTO THEIR STRUCTURAL PROPERTIES

open access: yesQuímica Nova, 2015
This study aims to synthesize and characterize organoclays developed from an Argentinian montmorillonite (Bent) using hexadecyltrimethylammonium bromide (HDTMA-Br) as the intercalation agent. Subsequently, an adsorption mechanism is proposed.
Pablo M. Naranjo   +3 more
doaj   +1 more source

New alternatives in photoprotection: Preparation and evaluation of lamellar silicate derivatives and their use as sunscreens

open access: yesInternational Journal of Cosmetic Science, Volume 48, Issue 1, Page 172-185, February 2026.
The use of nanotechnology in sunscreens has increased, with various filters and organoclays tested for new intercalated formulations. As animal toxicity tests decrease, New Approach Methodologies are favoured. The S4 + OMC‐NC improved cell survival under SSL and showed antimutagenic properties, making it a promising candidate for safe photoprotection ...
Daniel Mabundu Kibwila   +6 more
wiley   +1 more source

Green Composites From Plasticized Cellulose Acetate Filled With Inorganic Fillers and Natural Fiber for Rigid Packaging Applications: Effect of Low Acetyl Content and Bio‐Based Plasticizer

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 2, January 10, 2026.
Plasticized cellulose acetate (pCA) composites with talc and a small amount of Luperox show improved strength, flexibility, and barrier properties, making them promising biodegradable materials for rigid packaging applications. ABSTRACT This work aims to improve the processing window and melt strength of cellulose acetate (CA) with low acetyl content ...
Fatemeh Jahangiri   +3 more
wiley   +1 more source

Adsorption kinetics of malachite green and methylene blue from aqueous solutions using surfactant-modified organoclays

open access: yesActa Chimica Slovenica, 2017
The main objective of this research is to study the adsorption behaviour of malachite green and methylene blue dyes onto the surfactant modified natural clays.
Haseeb Ullah   +5 more
doaj   +1 more source

Nanoclay Localization Effect on Melt Rheological Behavior and Microstructure of PP/PET Blend [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2013
Dynamic and transient shear flow experiments along with TEM, SAXS and SEM analyses were performed for 75/25 and 25/75 (wt%/wt%) PP/PET blends containing two types of montmorillonite organoclays namely, Cloisite20A and Cloisite 30B.
Mahdi Entezam   +2 more
doaj   +1 more source

Additional XPS Studies on the Degradation of Poly(Methyl Methacryalte) and Polystyrene Nanocomposites [PDF]

open access: yes, 2004
XPS studies have been undertaken on exfoliated nanocomposites of polystyrene and poly(methyl methacrylate). One can clearly see that carbon is lost and that oxygen, silicon and aluminum accumulate at the surface of the degrading polymer.
Du, Jianxin   +3 more
core   +1 more source

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