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CHEM2D-OPP linearized ozone photochemistry

CHEM2D-OPP: A new linearized gas-phase ozone photochemistry parameterization for high-altitude NWP and climate models J. P. McCormack, S. D. Eckermann, D. E. Siskind, and T. J. McGee E. O. Hulburt Center for Space Research, Naval Research Laboratory (NRL), Washington DC, USA NASA Goddard Space Flight Center (GSFC), Greenbelt, Maryland, USA Received: 6 June 2006 – Accepted: 8 June 2006 – Publish...

NLO QCD calculations with the OPP method

An algorithm to compute automatically NLO QCD corrections for all momentum, color, and helicity configurations of the external particles is presented. It has been implemented in new package HELAC-1L, using HELAC for the evaluation of tree-level off-shell sub-amplitudes, CutTools for OPP-reduction and OneLOop for the evaluation of one-loop scalar integrals. Some recent results obtained with this...

Intervalli fra numeri primi consecutivi

Cholesterol sulfate stimulates involucrin transcription in keratinocytes by increasing Fra-1, Fra-2, and Jun D.

Lipids that are synthesized de novo in the epidermis, including fatty acids, oxysterols, 1,25-dihydroxyvitamin D(3), and farnesol, can regulate the differentiation of normal human keratinocytes (NHK). Cholesterol sulfate (CS), an epidermal lipid that is produced in the upper nucleated layers of the epidermis coincident with terminal differentiation, has been shown to play a role in the regulati...

High-level pacidamycin resistance in Pseudomonas aeruginosa is mediated by an opp oligopeptide permease encoded by the opp-fabI operon.

Pacidamycins (or uridyl peptide antibiotics) possess selective in vivo activity against Pseudomonas aeruginosa. An important limitation for the therapeutic use of pacidamycins with P. aeruginosa is the high frequency (10(-6) to 10(-7)) at which resistant mutants emerge. To elucidate the mechanism(s) of this resistance, pacidamycin-resistant P. aeruginosa mutants were isolated. Two types of muta...