Results 231 to 240 of about 81,239 (311)

Synergistic Physicochemical Inhibition of Reactive Shale Formations Using Hydrothermally Synthesized Hydroxyapatite Nickel Tungstate Nanocomposites in Water‐Based Drilling Fluids

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Wellbore instability driven by the volumetric expansion of reactive shale formations remains a primary operational challenge in modern drilling engineering, causing severe mechanical failures and substantial economic deficits. The objective of this study is to formulate and evaluate a novel dual‐action chemical additive capable of ...
Ghaleb Oriquat   +8 more
wiley   +1 more source

Advances in Chitosan Nanoparticles: A Comprehensive Review of Properties, Synthesis, Characterization, Multidisciplinary Applications, and Future Perspectives

open access: yesJournal of Applied Polymer Science, EarlyView.
This review highlights the synthesis of chitosan nanoparticles from natural sources, the thorough characterization of them, and use of microscopic and spectroscopic methods. It emphasizes that it has some indispensable properties such as being non‐toxic, antimicrobial, and capable of controlled drug release.
Mariam Sohail Mansoor   +6 more
wiley   +1 more source

Quantification of Sulfonated Polyacrylamides by SEC‐UV in Produced Water: Validation and Oilfield Case Study

open access: yesJournal of Applied Polymer Science, EarlyView.
Size exclusion chromatography with UV–vis detection, combined with ultrasonication pretreatment, enables sensitive detection and quantification of back‐produced polymer at very low concentrations in produced water. This approach supports reliable polymer monitoring and offers a practical route to improve surveillance of polymer flooding performance ...
Eduardo José Creatto   +6 more
wiley   +1 more source

Development and Characterization of Ribes nigrum Extract‐Loaded PLGA/Chitosan Nanoparticles as a Vaginal Drug Delivery System for Vulvovaginal Candidiasis

open access: yesJournal of Applied Polymer Science, EarlyView.
Ribes nigrum extract‐loaded PLGA/chitosan nanoparticles is developed as a vaginal drug delivery system for vulvovaginal candidiasis. The chitosan‐coated nanoparticles exhibit favorable physicochemical properties, strong mucoadhesion, sustained release for up to 2 weeks, excellent biocompatibility, and potent antifungal activity against Candida albicans,
Ayca Aslan Aras   +6 more
wiley   +1 more source

Identification Epitope on VP4 Protein of Senecavirus A Recognized by a Monoclonal Antibody

open access: yesAnimal Research and One Health, EarlyView.
This study aims to identify conserved antigenic epitopes on the SVA VP4 protein using monoclonal antibodies, providing valuable tools for further exploring its functions and developing detection methods. SVA VP4 protein was expressed in Escherichia coli and purified with High‐Affinity Ni‐Charged Resin FF.
Liang Meng   +7 more
wiley   +1 more source

Yeast Protein Extract Emulsions Supplemented with Polyphenolic Compounds: Physical, Chemical and Stability Properties of Colorful Emulsions. [PDF]

open access: yesAntioxidants (Basel)
Almeida B   +7 more
europepmc   +1 more source

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