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A disadvantage of the lead strains used in electron microscopy is the amount of time required for their preparation. One of the more stable and reliable stains, commonly called the lead citrate stain or Reynolds' stain (Reynolds, 1963), is made by mixing lead nitrate and sodium citrate in distilled water, allowing time for lead citrate to form, then adding(More)
Prior research has identified the similarity of Action Research (AR) and Design Science Research (DSR). This paper analyses AR and DSR from several perspectives, including paradigmatic assumptions of ontology, epistemology, methodology, and ethics, their research interests, and activities. We identify that often AR does not share the paradigmatic(More)
Notice: Changes introduced as a result of publishing processes such as copy-editing and formatting may not be reflected in this document. For a definitive version of this work, please refer to the published source: Abstract This paper proposes a new research method, Participatory Action Design Research (PADR), for studies in the Urban Informatics domain.(More)