Belin, Toulouse, France.
Atmospheric Aerosols and Nucleation
Use the link below to share a full-text version of this article with your friends and colleagues. Learn more. The quantification of aerosol particle emission sources is essential for the prediction of anthropogenic impacts on the atmospheric composition. This chapter provides an overview of the theoretical approaches used to describe the nucleation process and subsequent growth of clusters.
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It presents the instrumental techniques used to investigate the physical and chemical properties of clusters and newly formed nanoparticles and the most common metrics used to characterize the process from observations. The main findings resulting from observations reported from different environments and from chamber experiments are summarized. Finally, the chapter evaluates the impact of nucleation in the atmosphere both from the experimental and modeling points of view. The full text of this article hosted at iucr. If you do not receive an email within 10 minutes, your email address may not be registered, and you may need to create a new Wiley Online Library account.
If the address matches an existing account you will receive an email with instructions to retrieve your username. Chapter 2. Belin, Toulouse, France Search for more papers by this author. Tools Request permission Export citation Add to favorites Track citation.
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Share Give access Share full text access. We have suggested that this is the only region of the atmosphere in which water could condense spontaneously from the air without the need for an existing particle Murray and Jensen, JASTP, There is a thriving debate about quite how important this is and we recently developed a technique to quantify diffusion rather than measure viscosity Price et al. Our research indicates that glassy aerosol may have a significant impact on cold cirrus clouds by providing a surface which can nucleate ice crystals Murray et al.
This modelling work makes use of the data from the labs in order to define the ice nucleating efficiency of a range of aerosol types and we then test our predictions against our field measurements of atmospheric ice nucleating particles. An example is where we demonstrated that one particular mineral in desert dusts makes this dust effective at nucleating ice and were able to use this lab data in GLOMAP to predict the global distribution of desert dust ice nucleating particles Atkinson et al.
Aerosol - Wikipedia
Nature, Cryopreservation is used to store biological samples at very low temperatures for periods of up to many years. The efficient and effective storage of cells is key to the success of rapidly expanding industries such as in-vitro fertilization and regenerative medicine as well as for storing natural environmental samples. Its application is limited at present, however, by a lack of suitable ice nucleating materials.
We have a patent application on this work and publications on the survival of cells at low temperatures Morris et al. If you would like to discuss an area of research in more detail please contact: Professor Ben Murray.
Ice nucleation by aerosols from anthropogenic pollution
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