Natural radioactivity and the resulting radiation doses in some kinds of commercially marble collected from different quarries and factories in Egypt
S. Fares, Ali.A.M. Yassene, A. Ashour, M.K. Abu-Assy, M .Abd El-Rahman

Pub. Date: October 21, 2011   DOI: 10.4236/ns.2011.310115

The division and bending of green and red semiconductor laser light at the same time
Remzi Yıldırım

Pub. Date: October 21, 2011   DOI: 10.4236/ns.2011.310114

Deposition of charged nano-particles in the human airways including effects from cartilaginous rings
Hans O. Akerstedt

Pub. Date: October 21, 2011   DOI: 10.4236/ns.2011.310113

Evidence for pentagonal symmetry in living and model cellular systems
John J. Wille

Pub. Date: October 21, 2011   DOI: 10.4236/ns.2011.310112

Syntheses and antimicrobial activities of amide derivatives of 4-[(2-isopropyl-5-methylcyclohexyl)oxo]-4-oxobutanoic acid
Auj e Sana, Sher Wali Khan, Javid H. Zaidi, Nida Ambreen, Khalid Mohammed Khan, Shahnaz Perveen

Pub. Date: October 21, 2011   DOI: 10.4236/ns.2011.310110