[HTML][HTML] Active probing of the mechanical properties of biological and synthetic vesicles

MC Piontek, RB Lira, WH Roos - Biochimica et Biophysica Acta (BBA) …, 2021 - Elsevier
Background The interest in mechanics of synthetic and biological vesicles has been
continuously growing during the last decades. Liposomes serve as model systems for …

Regulation of nanoliposome rigidity and bioavailability of oligomeric proanthocyanidin with phytosterols containing different C3 branches

G Liu, P Sun, J Yan, P Shao, S Feng - ACS Applied Materials & …, 2023 - ACS Publications
The rigidity of nanoliposomes significantly influences their physical stability and in vitro and
in vivo behaviors (eg, cellular uptake, blood circulation, biodistribution, etc.). This study …

Atomic force microscopic analysis of the effect of lipid composition on liposome membrane rigidity

Y Takechi-Haraya, K Sakai-Kato, Y Abe, T Kawanishi… - Langmuir, 2016 - ACS Publications
Mechanical rigidity of the liposome membrane is often defined by the membrane bending
modulus and is one of the determinants of liposome stability, but the quantitative …

Effect of cholesterol content of lipid composition in mRNA-LNPs on the protein expression in the injected site and liver after local administration in mice

M Kawaguchi, M Noda, A Ono, M Kamiya… - Journal of …, 2023 - Elsevier
Delivery of messenger RNA (mRNA) using lipid nanoparticles (LNPs) is expected to be
applied to various diseases following the successful clinical use of the mRNA COVID-19 …

Atomic force microscopic imaging of mRNA-lipid nanoparticles in aqueous medium

Y Takechi-Haraya, A Usui, K Izutsu, Y Abe - Journal of Pharmaceutical …, 2023 - Elsevier
The efficacy of mRNA-lipid nanoparticles (mRNA-LNPs) depends on several factors,
including their size and morphology. This study presents a new technique to characterize …

Control of liposomal penetration into three-dimensional multicellular tumor spheroids by modulating liposomal membrane rigidity

Y Takechi-Haraya, Y Goda… - Molecular …, 2017 - ACS Publications
Effective penetration of drug-carrying nanoparticles into solid tumors is a major challenge in
cancer therapy. Exploration of the physicochemical properties of nanoparticles that affect …

Atomic force microscopy study on the stiffness of nanosized liposomes containing charged lipids

Y Takechi-Haraya, Y Goda, K Sakai-Kato - Langmuir, 2018 - ACS Publications
It has recently been recognized that the mechanical properties of lipid nanoparticles play an
important role during in vitro and in vivo behaviors such as cellular uptake, blood circulation …

Membrane rigidity determined by atomic force microscopy is a parameter of the permeability of liposomal membranes to the hydrophilic compound calcein

Y Takechi-Haraya, K Sakai-Kato, Y Goda - AAPS pharmscitech, 2017 - Springer
We determined the permeability coefficient of a model hydrophilic drug, calcein,
encapsulated within saturated lipid-based nano-sized liposomes of various lipid profiles. We …

Improved atomic force microscopy stiffness measurements of nanoscale liposomes by cantilever tip shape evaluation

Y Takechi-Haraya, Y Goda, K Izutsu… - Analytical …, 2019 - ACS Publications
The stiffness of nanoscale liposomes, as measured by atomic force microscopy (AFM), was
investigated as a function of temperature, immobilization on solid substrates, and cantilever …

Tuning the membrane fluidity of liposomes for desirable in vivo fate with enhanced drug delivery

J Zhao, S Mao - Advances in biomembranes and lipid self-assembly, 2021 - Elsevier
Liposomes are a widely used as drug loaded carriers in different drug administration routes.
Membrane fluidity is a fundamental physicochemical property of liposomes which describes …