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article Figure 1 Schematic illustration of a particle stabilised by a steric stabiliser. Note that it has been reported that both the degree of adsorption and the density / thickness of the steric barrier are essential factors to mitigate freezing and drying stresses

Stabilisation of nanoparticles during freeze drying: The difference to proteins

31 August 2011 | By Jakob Beirowski and Henning Gieseler, University of Erlangen-Nuremberg, Division of Pharmaceutics, Freeze Drying Focus Group

The underlying concept for the stabilisation of proteins during freeze drying is the formation of a glassy matrix in which the macromolecules remain isolated and immobilised. The concept relies on the so-called ‘vitrification hypothesis’ which assumes that the formation of an amorphous phase by lyoprotectants is mandatory to interact with…

article Figure 1 The HIV-1 genome

microRNAs and their potential involvement in HIV infection

20 June 2011 | By Guihua Sun, Irell & Manella Graduate School of Biological Science and Department of Molecular and Cellular Biology, Beckman Research Institute of the City of Hope and John J. Rossi. Department of Molecular and Cellular Biology Beckman Research Institute of the City of Hope

Treatment and cure of human immunodeficiency virus-1(HIV-1) infection remains one of the greatest therapeutic challenges due to its persistent infection, often leading to acquired immunodeficiency syndrome (AIDS). Although it has been 28 years since the discovery of the virus, the development of an effective vaccine is still far away. Relatively…

article Figure 1. Engineering the Stem Cell Niche. The ability to assembly natural and manmade components into idealized biosynthetic 3D architectures requires a detailed understanding of the environment, along with the technology and expertise to manipulate them. This multiscale and multi-expertise approach is expected to lead to unprecedented breakthroughs in tissue engineering and biofabrication that benefit human health for an improved quality of life.

In search of the Holy Grail: Engineering the stem cell niche

19 April 2011 | By Janet L. Paluh, Associate Professor Nanobioscience, College of Nanoscale Science and Engineering, University at Albany SUNY and Guohao Dai and Douglas B. Chrisey, Biomedical Engineering, Rensselaer Polytechnic Institute

There is no other biomedical frontier that offers the stunning potential of human pluripotent stem cells and their progenitors in therapeutic applications to ease human suffering or in their ability to provide insights into development and diseases. Cell plasticity for reprogramming has revealed new opportunities in cell-based therapies and informed…

article Figure 1The autophagy pathway. Autophagy proceeds in three steps: initiation by protein kinase complexes

Molecular drug targets in autophagy

19 April 2011 | By Robin Ketteler, MRC LMCB, University College London

Autophagy is a cellular stress response to diverse stimuli such as starvation, infection and DNA damage. Autophagy plays important roles in the progression of various diseases including cancer, neurodegenerative diseases and Crohn’s disease. Despite recent advances in our understanding of the autophagy machinery, surprisingly little effort has been undertaken towards…

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DiscoveRx Interview

19 April 2011 | By Sailaja Kuchibhatla, Senior Vice President Business Development DiscoveRx Corporation

“The goal of DiscoveRx has always been centred on creating technologies that enable the highest levels of innovation and development to enrich drug discovery,” Sailaja Kuchibhatla, Senior Vice President Business Development, asserts. Founded in 2000, DiscoveRx solved an unmet need within the GPCR industry by commercialising a functional, naturally coupled…

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