Essential Presence

The contemporary presidency: the political utility of empathy in presidential leadership.(Report)
Presidential Studies Quarterly; 12/1/2009; 10279 words; ...his pronouncement) Obama's belief that empathy plays an essential role in political judgment is worthy of headlines because...sacrificed in a large republic (1989, 124). However, the presence of empathy in democratic leadership might help mitigate Montesquieu...

Pinning down superconductivity to a single layer.
NewsRx Health & Science; 11/22/2009; 1140 words; ...layer where the zinc's presence had a suppressing effect...clearly identified as essential to superconductivity...The layer identified as essential to the superconductivity...scientists found that the presence of zinc had no effect...

Research from University of Leicester, Department of Genetics has provided new data on campylobacter.
Obesity, Fitness & Wellness Week; 11/21/2009; 981 words; ...support growth of some Campylobacter jejuni strains and the presence of homologues of Escherichia coli fhuABD genes was proposed...protein. While it may be assumed that all systems are not essential, there is growing evidence supporting the need for multiple...

Reports from A.M.G. Psarra and co-researchers add new data to research in biochemistry.
Chemicals & Chemistry; 11/20/2009; 859 words; ...mitochondrial thioredoxin) is an antioxidant and antiapoptotic factor essential for cell viability. Trx1 (cytoplasmic thioredoxin) is a...proteins. The interaction of Trx2 with GR is independent of the presence of GR ligand and of redox conditions. The p65 subunit of...

Studies from Yokohama City University add new findings in the area of drug resistance.(Report)
Gene Therapy Weekly; 11/19/2009; 1111 words; ...bp palindromic sequence. Culture of P. aeruginosa in the presence of tetracycline induced higher levels of MexX and MexZ, as...the mexXY operon. PA5471 protein has been reported to be essential for drug-induced MexXY production. Similarly to that report...