Secondly, to assess whether and how researchers explain the number of focus groups they carry out.
Methods: We searched PubMed for studies that had used focus groups and that had been published in open access journals during 2008, and extracted data on the
number of focus groups and on any explanation authors gave for this number. We also did a qualitative assessment of the papers with regard to how number of groups was explained and discussed.
Results: We identified 220 papers published in 117 journals. In these 5-Fluoracil chemical structure papers insufficient reporting of sample sizes was common. The number of focus groups conducted varied greatly (mean 8.4, median 5, range 1 to 96). Thirty seven (17%) studies attempted to explain the number of groups. Six studies referred to rules of thumb in the literature, three stated that they were unable to organize more groups for practical reasons, while 28 studies stated that they had reached a point of saturation. Among those stating that they had reached a point of saturation, several appeared not to have followed principles from grounded theory where data collection and analysis is an iterative process until saturation is reached. Studies with high numbers of focus groups did not offer explanations for number of groups. Too
much data as a study weakness was not an issue discussed in any of the reviewed papers.
Conclusions: Based on these findings we suggest that journals R788 cost adopt more stringent requirements for focus group method reporting. The often poor and GNS-1480 solubility dmso inconsistent reporting seen in these studies may also reflect the
lack of clear, evidence-based guidance about deciding on sample size. More empirical research is needed to develop focus group methodology.”
“The human ADAMTS-18, a disintegrin and metalloproteinase with thrombospondin type-1 modules 18, is a secreted Zn-metalloproteinase. The C-terminal 385-amino acid fragment of ADAMTS-18 (AD18C) is highly effective at promoting platelet thrombus dissolution in vivo. Therefore, polyclonal antibody (pAb) against AD18C fragment should be able to keep platelet thrombus stability, which has direct clinical relevance. In this report, pAb against AD18C fragment was generated from rabbit immunized with AD18C recombinant protein (rAD18C). The pAb showed specific binding with rAD18C and natural ADAMTS-18 protein by ELISA and Western blot assay. It shortens the mouse tail bleeding time in a dose-dependent manner. Thus, anti-AD18C pAb contributes to the regulation of platelet thrombus stability.”
“The environmental factors driving the recent increase in the prevalence of food allergy (FA) are unclear. Since associations have been demonstrated between microbial exposure and the likelihood of eczema and respiratory allergies, we reviewed the evidence for FA.