Sequential drug release via chemical diffusion and physical barriers enabled by hollow multishelled structures

D Zhao, N Yang, Y Wei, Q Jin, Y Wang, H He… - Nature …, 2020 - nature.com
… More importantly, the HoMS system provides a smart responsive release mechanism that …
diffusion- and physical barrier-driven temporally-spatially ordered drug release, providing a …

Controlled release for local delivery of drugs: barriers and models

JR Weiser, WM Saltzman - Journal of Controlled Release, 2014 - Elsevier
… a) An example of numerical modeling of local drug release from the struts of a drug-eluting
stent. Each of the white circular regions in the main image represents a stent strut, which is …

Drug release from hydrogel devices with ratecontrolling barriers

ES Lee, SW Kim, SH Kim, JR Cardinal… - Journal of membrane …, 1980 - Elsevier
release studies demonstrated a zero order release from devices with the crosslinked outer
layer. Drug release … the drug release rate should be dependent only upon the permeation …

“Targeting” nanoparticles: the constraints of physical laws and physical barriers

AT Florence - Journal of Controlled Release, 2012 - Elsevier
… in the tumor site, and the drug loading level is 50%, … of the drug be released, this further
reduces the available drug to 2.5%. We have of course yet to construe what rate of drug release

[HTML][HTML] Breaking through the barrier: Modelling and exploiting the physical microenvironment to enhance drug transport and efficacy

MZ Gładysz, M Stevanoska… - Advanced Drug Delivery …, 2022 - Elsevier
physical barriers in the body restrict the quantity of drugs that can pass through, mainly as a
consequence of the barrier … also be exploited as a mechanism to control drug release. This …

Physical barriers to drug delivery in tumors

BD Curti - Critical Reviews in Oncology/Hematology, 1993 - Elsevier
… The microenvironment of tumor nodules can generate a number of physical barriers to
resist a wide range of therapeutic agents. These treatment barriers cannot be ignored when …

The effect of physical barriers and properties on the oral absorption of particulates

DA Norris, N Puri, PJ Sinko - Advanced drug delivery reviews, 1998 - Elsevier
… can have a large effect on T g and therefore drug release. Chains based on Si–O, P–N, C–C…
increases the drug release because the diffusion coefficient (D) and solubility of the drug in …

Overcoming ocular drug delivery barriers through the use of physical forces

D Huang, YS Chen, ID Rupenthal - Advanced drug delivery reviews, 2018 - Elsevier
… To sustain drug release and maintain therapeutic concentrations at the target site over
prolonged periods, transcorneal iontophoresis has recently been combined with the delivery of …

Engineering the drug carrier biointerface to overcome biological barriers to drug delivery

JA Finbloom, F Sousa, MM Stevens… - Advanced drug delivery …, 2020 - Elsevier
… materials for barrier navigation. We then discuss essential … barriers and how biointerface
engineering can enable drug carriers to better navigate and overcome these barriers to drug

Devices for overcoming biological barriers: the use of physical forces to disrupt the barriers

S Mitragotri - Advanced drug delivery reviews, 2013 - Elsevier
… Collectively, these barriers serve to protect the body from invading pathogens and … barriers
also limit our ability to deliver drugs. Accordingly, approaches to knock down these barriers