Biocompatibility assessment of titanium dioxide nanoparticles in mice fetoplacental unit.

As the applications of titanium dioxide nanomaterials (nTiO ) are growing with an ever-increasing speed, the hazardous risks of this material have become a major concern. Several recent studies have reported that nTiO can cross the placental barrier in pregnant mice and cause neurotoxicity in their offspring. However, the influence of these nanoparticles on the fetoplacental unit during the pregnancy is yet to be studied.

An overview of (124)I production at a medical cyclotron by ALICE/ASH, EMPIRE-3.2.2 and TALYS-1.6 codes.

Excitation functions of proton, deuteron and alpha induced nuclear reactions on enriched tellurium and antimony isotopes and also natural antimony were calculated by ALICE/ASH, EMPIRE-3.2.2 and TALYS-1.

Silica-encapsulated magnetic nanoparticles: enzyme immobilization and cytotoxic study.

Silica-encapsulated magnetic nanoparticles (MNPs) were prepared via microemulsion method. The products were characterized by high resolution transmission electron microscopy (HRTEM) and energy-dispersive X-ray spectrum (EDS). MNPs with no observed cytotoxic activity against human lung carcinoma cell and brine shrimp lethality were used as suitable support for glucose oxidase (GOD) immobilization.

Preconcentration and separation of ultra-trace beryllium using quinalizarine-modified magnetic microparticles.

Magnetically-assisted chemical separation/preconcentration method for the analysis of beryllium from aqueous solutions was developed. According to this method several extractants were coated on certain magnetic microparticles to assist the extraction of beryllium from the aqueous solutions. The influence of different parameters (type and amount of extractant, pH, equilibrium time and ionic strength) was investigated.

An efficient method for recovery of target ssDNA based on amino-modified silica-coated magnetic nanoparticles.

In this paper, an improved recovery method for target ssDNA using amino-modified silica-coated magnetic nanoparticles (ASMNPs) is reported. This method takes advantages of the amino-modified silica-coated magnetic nanoparticles prepared using water-in-oil microemulsion technique, which employs amino-modified silica as the shell and iron oxide as the core of the magnetic nanoparticles. The nanoparticles have a silica surface with amino groups and can be conjugated with any desired bio-molecules through many existing amino group chemistry.