The conjugation of 14 nm diameter CoFe2O4 nanoparticles to the surface of biotinylated microtubules enables their manipulation with externally applied magnetic fields of small, permanent NdFeB magnets. Microtubules are selectively patterned on kinesin motor-modified glass surfaces in coparallel arrays that mimic the orientation of the magnetic field lines over millimeter distances. The magnetic...

despite development of new approaches for the treatment of cancer disease, it is the second cause of mortality in world. annually, 30000 persons die in iran due to cancer diseases. eighty percent of cancer patients are children which about 50% children lead to death. given the high rate of cancer-related death, the new approaches for prevention, control, early diagnosis, and treatment of this d...

The modification of porosity and surface silanization are efficient methods to improve physicochemical biological properties bioactive glass. For sol-gel-derived glasses, the use surfactant in synthesis medium allows pattern may significantly impact their vitro bioactivity. Additionally, functionalization by be a key method for grafting drugs or biomolecules glass surface. In this work, we real...

in this study, kinetics and mechanism of the sulfur dioxide adsorption on the single-walled carbon nanotubes (cnt) are investigated. three single-walled carbon nanotubes, including the armchair (6,6), chiral (6,5) and zigzag (6,0) cnts were chosen as the models and the different orientations of so2 molecule relative to the cnt axis were considered. the b3lyp functional within the 6-31g(d) basis...

In this study, we report on a simple and versatile plug-n-play microfluidic system that is fabricated from flexible assembly of glass-based flow-control modules for flexibly manipulating flows for versatile emulsion generation. The microfluidic system consists of three basic functional units: a flow-control module, a positioning groove, and a connection fastener. The flow-control module that is...

The tricarboxylate reagent benzene-1,3,5-triacetic acid (BTA) was used to attach 5'-aminated DNA primers and templates on an aminosilanized glass surface for subsequent generation of DNA colonies by in situ solid-phase amplification. We have characterized the derivatized surfaces for the chemical attachment of oligonucleotides and evaluate the properties relevant for the amplification process: ...