The modern ordinary: changing culture of urban living in Egypt's traditional quarters at the turn of the twentieth century

Having experienced social and political structures of the nineteenth century Europe, western-educated Egyptian elite used public institutions to force new legislative structures and procedures that ruled out traditional housing forms and spatial systems. This essay detects direct and indirect impact of these changes that informed the spatial change of modern living in Egypt in the first quarter of the twentieth century. It offers analysis of socio-spatial practices and change in ordinary Cairenes’ modes of everyday living, using social routine and interaction to explain spatial systems and changing house forms during the first quarter of the twentieth century. In doing so, the essay utilized archival documents, accounts, formal decrees and novels of the time as well as conducting survey of house forms and spatial organizations in Old Cairo.     

Does a membership fee foster successful public good provision? An experimental investigation of the provision of a step-level collective good

We report the results of an experiment investigating the provision of a step-level collective good. This experiment compares the behavior of subjects in a public good game with the behavior of subjects in a club good game. In the club good game, players who do not contribute the membership fee are excluded from the consumption of the collective good. The introduction of a small membership fee has surprisingly strong effects: it increases the provision of the collective good, delays provision failures and increases the number of contributors. The experiment also reveals the limits of the introduction of a small fee. At a high threshold level, the membership fee no longer ensures successful provision.     

Off-farm work and food security status of farming households in Ghana

This study assessed the effect of participation in off-farm work on the food security status of farming households in the Northern Region of Ghana. Primary data were solicited from 324 farming households in the Tamale metropolis and Tolon district using semi-structured questionnaires. The treatment effects of both income and food security status were estimated using propensity score matching and double-robust methods. The empirical results suggest that participation in off-farm activities increased household daily calorie consumption. These results have implications for the development of off-farm ventures for the benefit of the farming households.     

Quantification of mitochondrial DNA in human blood cells using an automated detection system

The 4977 bp deletion of mitochondrial DNA (mtDNA) accumulates in postmitotic tissues with advancing age. The purpose of our study was to detect and quantify these deletion even in blood cells with a high turnover activity. Whole venous blood, isolated human platelets and peripheral blood mononuclear cells (PBMCs) were collected from 10 unrelated donors aged 20-71 years and total DNA was extracted. PCR was performed for total and mutated mtDNA using two different primer pairs and two fluorogenic probes labeled with the fluorescent dyes FAM and VIC. Specific PCR products were generated, detected and quantified in a real-time PCR. The amplification products of total and deleted mtDNA could be detected in each sample and did not exhibit any differences in the amount of the deleted mtDNA in whole blood, human platelets or PBMCs. Our data did not show any accumulation of the 4977 bp deletion with increasing age as it was observed for several other tissues.