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Drug Delivery Systems

 

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Nanotechnology tackles problems with noninvasive glucose monitoring

4 May 2016 | By , ,

For diabetes mellitus patients who treat themselves with insulin, the need to self-monitor blood glucose in order to establish their insulin dose is a major burden, and highlights the need to develop non-invasive glucose measurement technologies. Up until now, such non-invasive systems that also have adequate measurement performance under daily…

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Four trends that will transform healthcare in Europe in 2016

29 February 2016 | By Warren Hochfeld, Jenna Riffell and Neil Levinson from Kaiser Associates

With 2015 giving some hints of what is to come, the Kaiser Associates European Healthcare team are predicting another year of big disruptions, transformations and innovations as the healthcare industry continues to overhaul outmoded business models...

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The role of drug transporters at the blood brain barrier

29 February 2016 | By Jasminder Sahi and Yi Li, Sanofi R&D

The human brain is the most highly perfused organ in the body, being composed of over 100 billion capillaries with an average inter-capillary distance of 50μm and a length greater than 600km. This extensive network of blood vessels facilitates the delivery of nutrients and oxygen to the brain, while providing…

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Polyelectrolyte complexes as nanoparticulate drug delivery systems

3 July 2015 | By Anita Umerska, University of Anger and Lidia Tajber, Trinity College Dublin

Polyelectrolyte complexes at the nanoscale (polyelectrolyte complex nanoparticles; PECNs) can be harnessed as drug delivery systems for a range of low molecular weight drugs as well as peptides and proteins. The mild method of manufacture of PECNs results in the protection of the loaded bioactive and the choice of polyions…

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Evaluating inhaler performance using idealised throats

10 March 2015 | By Andrew R. Martin and Warren H. Finlay, University of Alberta

The development of orally-inhaled drug products is a complex endeavour spanning multiple technical and medical fields. For the treatment of respiratory diseases such as asthma and chronic obstructive pulmonary disease (COPD), the inhalation delivery route permits the drug to be directly targeted to the afflicted organ, namely the lung. As…

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Particle characterisation in drug delivery

5 September 2014 | By Driton Vllasaliu and Ishwar Singh, University of Lincoln

The use of materials in nano-scale dimensions is proving to be a promising approach to overcome drug delivery challenges. ‘Nanomedicine’ technologies are gradually achieving commercial success and reaching the clinic. Sub-micron nanocarriers have the potential to ferry the therapeutic to its site of action and in this process overcome the…

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Applications of MRI to controlled drug delivery devices

22 October 2012 | By Mick Mantle, Department of Chemical Engineering & Biotechnology, University of Cambridge

Magnetic resonance imaging (MRI) is a technique that is traditionally used as a diagnostic clinical imaging tool. However, there are now an increasing number of non-medial applications where MRI has seen unrivalled success. One of those areas is in its application to pharmaceutical research. The aim of this article is…

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Pulmonary inhalation aerosols for targeted antibiotics drug delivery

16 February 2011 | By Chun-Woong Park & Heidi M. Mansour, University of Kentucky, College of Pharmacy and Don Hayes Jr, University of Kentucky, College of Medicine

Targeted pulmonary drug delivery of antibiotics by inhalation aerosols can play significant roles in the treatment of cystic fibrosis (CF), chronic obstructive pulmonary disease (COPD) and in other pulmonary diseases where chronic airway infections exist. Direct administration to the lung as targeted pulmonary inhalation aerosol delivery is uniquely able to…

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Development of stabilised vaccines with needle-free devices for targeted skin immunisation

16 December 2010 | By Abina M. Crean & Anne C. Moore, School of Pharmacy, University College Cork and Conor O’Mahony, Tyndall National Institute, University College Cork

Vaccination represents the primary public health measure to combat infectious diseases. However, limitations of cold-chain storage, vaccine wastage, hazardous sharps-waste and the requirements for trained personnel add significant and unsustainable financial and logistic costs to immunisation programmes. Developments of needle-free methods should aim to overcome these logistics issues from the…

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Protein PEGylation: An overview of chemistry and process considerations

22 February 2010 | By ,

Innovative drug delivery technologies are key components of drug development, with commercial and intellectual values. PEGylation is an excellent example of a delivery system that has scientific and multi-billion dollar commercial importance due to the remarkable improvement in the circulatory half lives of therapeutics, especially for proteins and peptides but…