Developing an efficient and reliable dry powder inhaler for pulmonary drug delivery–a review for multidisciplinary researchers

N Islam, MJ Cleary - Medical engineering & physics, 2012 - Elsevier
Pulmonary drug delivery is the focus of much research and development because of its
great potential to produce maximum therapeutic benefit. Among the available options the dry …

Airway geometry, airway flow, and particle measurement methods: implications on pulmonary drug delivery

A Kourmatzis, S Cheng, HK Chan - Expert opinion on drug delivery, 2018 - Taylor & Francis
Introduction: The effectiveness of drug delivery to the lungs is inextricably linked to the
fundamental interactions that occur between particles and flow in the extrathoracic airway …

Flow abilities of powders and granular materials evidenced from dynamical tap density measurement

K Traina, R Cloots, S Bontempi, G Lumay… - Powder technology, 2013 - Elsevier
This paper offers an overview of the flow properties of granular systems, including voids,
granular porosity and random packing characteristics. For the purposes of the study, the …

Simulation of dry powder inhalers: combining micro‐scale, meso‐scale and macro‐scale modeling

B van Wachem, K Thalberg, J Remmelgas… - AIChE …, 2017 - Wiley Online Library
The flow of carrier particles, coated with active drug particles, is studied in a prototype dry
powder inhaler. A novel, multiscale approach consisting of a discrete element model (DEM) …

In-depth comparison of dry particle coating processes used in dpi particle engineering

N Bungert, M Kobler, R Scherließ - Pharmaceutics, 2021 - mdpi.com
High-shear mixer coatings as well as mechanofusion processes are used in the particle-
engineering of dry powder inhalation carrier systems. The aim of coating the carrier particle …

“Pierce and inhale” design in capsule based dry powder inhalers: Effect of capsule piercing and motion on aerodynamic performance of drugs

F Martinelli, AG Balducci, A Rossi, F Sonvico… - International journal of …, 2015 - Elsevier
In this work three capsule-based dry powder inhalers, available for generics product
development, were compared. Two technologically different dry powder formulations were …

Development of a high efficiency dry powder inhaler: effects of capsule chamber design and inhaler surface modifications

SRB Behara, DR Farkas, M Hindle… - Pharmaceutical …, 2014 - Springer
Purpose The objective of this study was to explore the performance of a high efficiency dry
powder inhaler (DPI) intended for excipient enhanced growth (EEG) aerosol delivery based …

Development and comparison of new high-efficiency dry powder inhalers for carrier-free formulations

SRB Behara, PW Longest, DR Farkas… - Journal of Pharmaceutical …, 2014 - Elsevier
High-efficiency dry powder inhalers (DPIs) were developed and tested for use with carrier-
free formulations across a range of different inhalation flow rates. Performance of a …

Detailed evaluation of drug powder deposition in swirl-type dry powder inhalers

M Sommerfeld - Powder Technology, 2022 - Elsevier
Based on numerical simulations by the Euler/Lagrange approach in combination with the
RNG-k-ε turbulence model flow field and particle transport through inhaler devices are …

[HTML][HTML] A new LED-based extinction tomography method for measurement of aerosol surface area

L Milton-McGurk, A Kourmatzis, HK Chan… - Journal of Aerosol …, 2024 - Elsevier
A light-emitting-diode (LED) based optical technique is developed to measure the surface
area per unit volume of particles in aerosols and liquid sprays. The technique uses path …