Magnetic-Fe/Fe₃O₄-nanoparticle-bound SN38 as carboxylesterase-cleavable prodrug for the delivery to tumors within monocytes/macrophages

• Hongwang Wang,
• Tej B. Shrestha,
• Matthew T. Basel,
• Raj K. Dani,
• Gwi-Moon Seo,
• Sivasai Balivada,
• Marla M. Pyle,
• Heidy Prock,
• Olga B. Koper,
• Prem S. Thapa,
• David Moore,
• Ping Li,
• Viktor Chikan,
• Deryl L. Troyer and
• Stefan H. Bossmann

Beilstein J. Nanotechnol. 2012, 3, 444–455, doi:10.3762/bjnano.3.51

• -binding SN38 prodrug was achieved in a 10-stage synthesis with overall 32% yield. The final product was fully characterized by 1H NMR, 13C NMR, and mass spectrometry. Characterization of the nanoparticles Figure 1a shows a low-resolution transmission electron microscope (TEM) image of the nanoparticles

Structural, electronic and photovoltaic characterization of multiwalled carbon nanotubes grown directly on stainless steel

• Luca Camilli,
• Manuela Scarselli,
• Silvano Del Gobbo,
• Paola Castrucci,
• Eric Gautron and
• Maurizio De Crescenzi

Beilstein J. Nanotechnol. 2012, 3, 360–367, doi:10.3762/bjnano.3.42

• achieved, acetylene gas (200 sccm) is inserted through a nozzle in the chamber under an Ar atmosphere. SEM image of the MWCNTs after growth on a stainless-steel substrate. The MWCNTs are randomly oriented, and no traces of other carbonaceous materials were detected in the large scanned area. (a) Low

• -resolution TEM image assessing the multiwalled nature of the carbon nanotubes synthesized on SS. (b) High-resolution TEM picture of a single MWCNT with 19 walls. The inset displays the Fast Fourier Transform of the TEM image reported in (b). The two spots, at a semidistance of 0.35 nm, represent the parallel

Enhanced visible light photocatalysis through fast crystallization of zinc oxide nanorods

• Sunandan Baruah,
• Mohammad Abbas Mahmood,
• Myo Tay Zar Myint,
• Tanujjal Bora and
• Joydeep Dutta

Beilstein J. Nanotechnol. 2010, 1, 14–20, doi:10.3762/bjnano.1.3

• using microwave irradiation. Results and Discussion The ZnO nanoparticles obtained through the sol–gel synthesis (see section Experimental) are shown in Figure 1a and Figure 1b as transmission electron microscopy (TEM) micrographs. The low-resolution TEM micrograph exhibits spherical nanoparticles with

• the concentration after photoirradiation. (a) Low-resolution TEM micrograph of ZnO nanoparticles, (b) electron diffraction pattern of the ZnO nanoparticles, (c) high-resolution TEM micrograph of a ZnO nanoparticle showing the lattice fringes, (d) low-resolution TEM micrograph of ZnO nanorods, and (e