Executive Overview Wal-Mart’s emphasis on “Always low prices. Always” has made it the largest retail operation in history. However, this unrelenting mission has also created a way of doing business that draws substantial criticism regarding the company’s employment practices, relationships with suppliers, and the company’s impact on local economies. This paper focuses on a company that delivers...

An efficient palladium-catalyzed Heck-type reaction of secondary trifluoromethylated alkyl bromides has been developed. The reaction proceeds under mild reaction conditions with high efficiency and excellent functional group tolerance, even towards formyl and hydroxy groups. Preliminary mechanistic studies reveal that a secondary trifluoromethylated alkyl radical is involved in the reaction.

The authors show that the glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH) of Saccharomyces cerevisiae, previously thought to be restricted to the cell interior, is also present in the cell wall. GAPDH activity, proportional to cell number and time of incubation, was detected in intact wild-type yeast cells. Intact cells of yeast strains containing insertion mutations in each ...

Methods Reduction of RV wall stress was accomplished by pulmonary endarterectomy (PEA), which is the surgical removal of thrombo-emboli out of the pulmonary arteries. In 13 consecutive patients with CTEPH, MRI myocardial tagging (29 ms temporal resolution) was applied before and after PEA (fig 1). For the left ventricular (LV) free wall, septum (S) and RV free wall, the time to peak (Tpeak) of ...

An extensive literature has established that the synthesis of wall teichoic acid in Bacillus subtilis is essential for cell viability. Paradoxically, we have recently shown that wall teichoic acid biogenesis is dispensable in Staphylococcus aureus (M. A. D'Elia, M. P. Pereira, Y. S. Chung, W. Zhao, A. Chau, T. J. Kenney, M. C. Sulavik, T. A. Black, and E. D. Brown, J. Bacteriol. 188:4183-4189, ...

We have carried out a numerical simulation of a domain-wall model in (2+1)dimensions, in the presence of a dynamical gauge eld only in an extra dimension, corresponding to the weak coupling limit of a ( 2-dimensional ) physical gauge coupling. Using a quenched approximation we have investigated this model at s(= 1=g 2 s) = 0.5 ( \symmetric" phase), 1.0, and 5.0 (\broken" phase), where gs is the...

This paper investigates the characteristics of wall pressure fluctuations in naturally developing boundary layer flows on axisymmetric bodies experimentally. The axisymmetric body has a modified ellipsoidal blunt nose. Flush-mounted microphones are used to measure the wall pressure fluctuations in the boundary layer flow over the body. The measurements are performed in a low noise wind tunnel. ...

laparoscopic surgery is now an integral part of the operative repertoire. single-incision laparoscopic surgery (sils) is a new technique developed for performing operations without a visible scar. pneumoperitoneum, as a necessary precondition of laparoscopic procedures, represents the restriction of the surgeon's freedom of movement and can lead to rare but typical complications. the single inc...

hydatid cyst is a zoonotic disease that is common in the mediterranean region. thoracic wall, rib or extrapulmonary intrathoracic localization of the cysts is very rare. giant extrapulmonary intrathoracic hydatid cysts can lead to both diagnostic and treatment difficulties and can be confused with tumor. we present a case of a hydatid cyst with thoracic wall involvement mimicking tumor. we conf...