A comparison of DNA collection and retrieval from two swab types (cotton and nylon flocked swab) when processed using three QIAGEN extraction methods

The Metropolitan Police Service currently uses cotton swabs to retrieve DNA for forensic profiling. Recently, a new nylon flocked swab type has become available from Copan (MicroRheologics, Brescia, Italy) that it is claimed, offers increased sample recovery and release yields. If true, the flocked swab may have important applications in DNA evidence retrieval. This study examines the DNA retrieval capability of cotton and nylon flocked swabs when extracted using three common extraction platforms (QIAcube, BioRobot EZ1 and manually processed QIAamp DNA investigator kit). Results indicate that both swab types are capable of recovering high percentages of DNA (>50%); however, the extraction platform selected was shown to have a significant effect upon DNA retrieval. Across all experiments, the cotton swab combined with the spin-column extractions was shown to be most effective, with the nylon swab and BioRobot EZ1 combination being the least effective. These findings illustrate the importance of extraction method selection.     

The MFA in Arts Management

Arts administration/management (AA/M) has evolved to the point of emerging as a mature academic field, increasingly institutionalized within higher education and demanding a larger and more highly credentialed faculty. Examining Master of Fine Arts (MFA) AA/M programs in North America, this brief study asks whether the MFA can serve as the viable credential for academically trained arts managers. The analysis suggests that no consensus about which advanced degree best reflects academic expertise relevant to all components of the field has been reached and that standards remain too unclear for the MFA to serve as a viable credential across artistic disciplines.     

Health insurance without provider influence: the limits of cost containment

In our previous paper, we showed that market forces can play a significant role in controlling health care costs and that a considerable amount of cost containment effort was pursued by third-party insurers in Oregon in the 1930s and 1940s. Although physicians were able to thwart this cost-control effort, a 1986 Supreme Court decision, FTC v. Indiana Federation of Dentists, found that a boycott of insurers by dentists violated Section 5 of the Federal Trade Commission Act. Further investigation of recent developments, including the recent Wickline v. California decision, indicates that the primary barriers to cost containment today are not obstructive tactics by providers or provider-controlled health insurance plans. Rather, the primary barriers are increases in the development and diffusion of new technology and society's apparent preference for paying for new tests and procedures regardless of economic efficiency.     

“Relational goods” and participation: Incorporating sociability into a theory of rational action

Theoretical explanations of why rational individuals would participate in politics remain unsatisfactory. This paper addresses the problem by developing and analyzing models which include among citizens' payoffs “relational goods,” objectives which depend upon interactions among persons. The models predict more participation than do the standard approaches. For example, under some circumstances persons will be more likely to act if they believe others will act, contrary to free-rider logic. More importantly, conditions are identified under which leaders could increase mass activity. Thus, a model is provided of “mobilization” in terms of the preferences and decisions of a rational individual. The author thanks the Russell Sage Foundation for support as a Visiting Fellow during 1986–87. The paper has benefited from the comments of Patricia Gurin, Steve Brams, Jane Mansbridge, Linda Cohen, Tyler Cowen, Ami Glazer, and seminar participants at the University of Rochester.