نتایج جستجو برای: bio based surfactant

تعداد نتایج: 2995077  

Journal: :Advanced Functional Materials 2023

A seamless and tough interface to integrate incompatible/immiscible soft materials is highly desired for flexible/wearable electronics many devices with multi-layer structures. Here, a surfactant-mediated interfacial chemistry introduced achieve interfaces in structures, an ultra-high toughness up ≈1300 J m−2 the architectural gel hybrid (AGH). The reversible noncovalent interactions efficientl...

The aim of this study was to develop a microemulsion system as a medium for laccase-catalyzed reactions. Phase behavior studies were conducted by constructing partial pseudo-ternary phase diagrams for systems comprising of cetyltrimethylammonium bromide (CTAB), various organic solvents as the oil phase (i.e., hexane, cyclohexane, heptane, octane, isooctane, toluene, isopropyl myristate), two co...

2014
Nina Nouraeyan Alicia Lambrinakos-Raymond Marisa Leone Guilherme Sant’Anna

Surfactant has revolutionized the treatment of respiratory distress syndrome and some other respiratory conditions that affect the fragile neonatal lung. Despite its widespread use, the optimal method of surfactant administration in preterm infants has yet to be clearly determined. The present article reviews several aspects of administration techniques that can influence surfactant delivery in...

Journal: :Polimeros-ciencia E Tecnologia 2023

The surfactant-polymer-based (S/P) fracturing fluid combines the advantages of surfactant-based and polymer-based fluids. In this study, synergistic tackifying cationic surfactants carboxymethyl hydroxyethyl cellulose potential application in hydraulic was investigated. Firstly, cetyltrimethylammonium chloride (CTAC) salicylic acid (SA) with a weight ratio 4:1 were optimized as main agent small...

Journal: :International Journal of Advances in Medical Biotechnology - IJAMB 2019

Journal: :Macromol 2022

Among numerous synthetic macromolecules, polyurethane in its different forms has proven sheer dominance and established a reputation as reliable trusted material due to proficiency terms of superior properties, which include: high mechanical strength abrasion resistance, good durability, adhesion, thermal stability, excellent chemical weathering resistance. Synthetic materials are non-biodegrad...

2017
Julia Catalán Hannu Norppa

Moving towards a bio-based and circular economy implies a major focus on the responsible and sustainable utilization of bio-resources. The emergence of nanotechnology has opened multiple possibilities, not only in the existing industrial sectors, but also for completely novel applications of nanoscale bio-materials, the commercial exploitation of which has only begun during the last few years. ...

Journal: :Journal of controlled release : official journal of the Controlled Release Society 2010
Fulden Buyukozturk James C Benneyan Rebecca L Carrier

Lipid based drug delivery systems, and in particular self-emulsifying drug delivery systems (SEDDS), show great potential for enhancing oral bioavailability but have not been broadly applied, largely due to lack of general formulation guidance. To help understand how formulation design influences physicochemical emulsion properties and associated function in the gastrointestinal environment, a ...

2011
M. A. Salehi S. A. Milani N. Rahgozar

In this article cloud-point extraction (CPE) was used with chelating agent to extract uranium from aqueous solutions. The methodology used is based on the formation of metal complexes soluble in a micellar phase of surfactant. The metal ions complexes are then extracted into the surfactant-rich phase at a temperature above the cloud-point temperature. The effect of type of surfactants and ligan...

Journal: :Nanoscale 2012
Alessandra Quarta Alberto Curcio Hamilton Kakwere Teresa Pellegrino

The use of inorganic nanoparticles in biomedicine, in particular in the field of diagnosis and therapy of human diseases, has rapidly grown in the last few decades. Water solubilisation of the nanoparticles, especially for particles synthesized in non-polar solvents, is an essential prerequisite for their biological exploitation. The encapsulation of surfactant coated nanoparticles into polymer...

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