Bioadhesive polysaccharide in protein delivery system: chitosan nanoparticles improve the intestinal absorption of insulin in vivo

Y Pan, Y Li, H Zhao, J Zheng, H Xu, G Wei… - International journal of …, 2002 - Elsevier
There are many ongoing investigations to improve the oral bioavailability of peptide and
protein formulations. Bioadhesive polysaccharide chitosan nanoparticles (CS-NPs) would …

Co-delivery of a hydrophobic small molecule and a hydrophilic peptide by porous silicon nanoparticles

D Liu, LM Bimbo, E Mäkilä, F Villanova… - Journal of Controlled …, 2013 - Elsevier
Nanoparticulate drug delivery systems offer remarkable opportunities for clinical treatment.
However, there are several challenges when they are employed to deliver multiple …

Effective insulin delivery using starch nanoparticles as a potential trans-nasal mucoadhesive carrier

AK Jain, RK Khar, FJ Ahmed, PV Diwan - European Journal of …, 2008 - Elsevier
Mucoadhesive nanoparticles (NPs) could be an exciting prospect for trans-nasal insulin
delivery as they have higher surface area to cover highly vascularised nasal absorptive area …

Preparation and characterization of mucus-penetrating papain/poly (acrylic acid) nanoparticles for oral drug delivery applications

C Müller, K Leithner, S Hauptstein, F Hintzen… - Journal of nanoparticle …, 2013 - Springer
Particle diffusion through the intestinal mucosal barrier is restricted by the viscoelastic and
adhesive properties of the mucus gel layer, preventing their penetration to the underlying …

Enhanced oral absorption of hydrophobic and hydrophilic drugs using quaternary ammonium palmitoyl glycol chitosan nanoparticles

A Siew, H Le, M Thiovolet, P Gellert… - Molecular …, 2012 - ACS Publications
As 95% of all prescriptions are for orally administered drugs, the issue of oral absorption is
central to the development of pharmaceuticals. Oral absorption is limited by a high …

Preparation, characterization, and oral delivery of insulin loaded carboxylated chitosan grafted poly (methyl methacrylate) nanoparticles

F Cui, F Qian, Z Zhao, L Yin, C Tang, C Yin - Biomacromolecules, 2009 - ACS Publications
To improve the efficiency of insulin via oral administration, pH-sensitive carboxylated
chitosan grafted poly (methyl methacrylate) nanoparticles (CCGN) were prepared. CCGN …

Functional lipid polymeric nanoparticles for oral drug delivery: Rapid mucus penetration and improved cell entry and cellular transport

Y Liu, Z Jiang, X Hou, X Xie, J Shi, J Shen, Y He… - … , Biology and Medicine, 2019 - Elsevier
Abstract To improve Biopharmaceutics Classification System class IV drug bioavailability,
mucus and underlying intestinal epithelial barriers must be overcome. Hydrophilic …

Carboxymethyl β-cyclodextrin grafted carboxymethyl chitosan hydrogel-based microparticles for oral insulin delivery

Y Yang, Y Liu, S Chen, KL Cheong, B Teng - Carbohydrate polymers, 2020 - Elsevier
This study was aimed at utilizing polysaccharides for the development of effective hydrogel
microparticles for oral insulin delivery that has a controlled, and sustained release to …

Vitamin B12 functionalized layer by layer calcium phosphate nanoparticles: A mucoadhesive and pH responsive carrier for improved oral delivery of insulin

A Verma, S Sharma, PK Gupta, A Singh, BV Teja… - Acta biomaterialia, 2016 - Elsevier
The present study investigates the potential of layer by layer coated calcium phosphate
nanoparticles–for oral delivery of insulin where Vitamin B12 grafted chitosan and sodium …

Thiolation and cell‐penetrating peptide surface functionalization of porous silicon nanoparticles for oral delivery of insulin

N Shrestha, F Araujo, MA Shahbazi… - Advanced Functional …, 2016 - Wiley Online Library
During the last decades, advanced oral delivery systems to enhance the intestinal
absorption of widely applicable proteins and peptides, particularly insulin, have been …