ArticleCurrent drug delivery2025
Lignin Nanoparticles as pH-responsive Nanocarriers for Gastric-Irritant Oral Drug Aspirin.
Article in Current drug delivery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Application of Nanomaterials in Early Imaging and Advanced Treatment of Atherosclerosis.Chemical & biomedical imaging · 2025Review
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Authors and funding
3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
introductionAlthough lignin is one of the most naturally abundant biopolymers, the overall status of its utilization has long been subpar. The ability of Lignin to readily self-assemble into nanoparticles, along with its good biocompatibility and minimal toxicity, makes it a perfect agent for nanocarriers and drug delivery.
methodHence, in this study, we have attempted to examine lignin nanoparticles (LNPs) as an efficient pH-responsive nanocarrier for gastric-irritant oral NSAID, aspirin. Alkali lignin (AL) was extracted from rice straw via alkaline treatment, and the lignin nanoparticles were synthesized from lignin using the acid precipitation method. The average particle size was 201.37 ± 1.20 nm, and the synthesized LNPs exhibited a spherical shape and smooth outer surface along with high polydispersity (PDI= 0.284 ± 0.012). The LNPs showed moderate hemocompatibility during in vitro hemolysis studies. The nanoparticles presented nearly similar chemical structures to the AL from which they were developed, and the FT-IR absorption spectra confirmed the similarity of this chemical structure to the LNPs and AL. Aspirin was successfully loaded into the LNPs with a satisfactory drug loading value of 39.12 ± 1.50 and an excellent encapsulation efficiency value of 91.44 ± 0.59.
resultsFinally, the LNPs were capable of protecting the loaded drug at the acidic pH of the stomach (1.2) with just 29.20% release of the loaded aspirin after 10 h of observation in vitro. Contrarily, the LNPs were capable of rapidly releasing the aspirin at the basic pH of the intestine (7.4) with nearly 90% release of the loaded drug after 10 h observation
conclusionThese findings substantiate that the LNPs carry the potential to be an apt and safe nanocarrier for oral drugs like aspirin as well as parenteral drugs, and LNPs can be utilized as an efficient alternative to enteric coating.
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