Cytotoxicity of zno nanoparticles

... FACS and x-axis is mM concentration of nanoparticle. Role of surface charge/ZP of ZnO NP Role of hydrodynamic size of ZnO NP Role of catalytic activity of ZnO NP • Rhodamine B as a model dye ... cells and ZnO NP Using PI and FACS Using Alamar Blue IC 50 (mM of ZnO NP) Rate constant k (using RhB) Preferential cytotoxicity of ZnO NP to cancer cells Reported...

Ngày tải lên: 05/05/2014, 23:01

... result of EDX analysis of ZnO nanoparticles indicates that the ZnO nanoparticle contains 100% ZnO void of template. 4. Conclusions W e ha ve successfull y s ynthesized ZnO nanoparticles b y a simple wet ... to prepare ZnO nanoparticle. Preparation of ZnO nanoparticles: 100 ml of 0.1 mol solution of Zn(NO 3 ) 2 Á 6H 2 O was stirred constantly for 30 min at 60 1C (s...

Ngày tải lên: 06/05/2014, 13:26

... of Pharmacology, Faculty of Medicine, The University of Hong Kong, Hong Kong, China Corresponding address: Prof. C.H. Cho, Department of Pharmacology, The University of Hong Kong, 21 Sassoon ... the bone marrow and the gastrointestinal tissues from the cytotoxicity of CY in mice. We also profiled the changes of the expression of growth factors in gastric tissues in resp...

Ngày tải lên: 02/11/2012, 10:19

... below a wavelength of 340 nm in curve (a) of Figure 5 is associated with the optical band gap of TiO 2 .In curve (b), a peak indicating the presence of an LSP for the sample made of TiO 2 on Ag NPs ... activity under near UV illumination of such a plasmonic photocatalyst, monitored by decomposition of methylene blue, was enhanced by a factor of 7. The enhancement of the phot...

Ngày tải lên: 18/09/2013, 21:27

... Molecular Basis of Disease 3.1 Oxidative Stress S3.1-1 The role of antioxidants in the cytotoxicity of chemotherapeutic drugs T. Ozben, H. Akbas, I. Akan, S. Akan and M. Timur Department of Biochemistry, ... chemical instability of DNA. To protect the vital genetic information from the deleterious effects of DNA injury a net- work of genome care-taking mechanisms has evolved...

Ngày tải lên: 19/02/2014, 07:20

... crystallization of nano-tetrapods occurs and this leads to the increase of the PL intensity. The increase of the ratio UV/GB is due to the increase of the oxygen concentration of the substrates ... The intensity of each band, the ratio of the peak intensity of UV band to the GB band and the GB band position depend on the experiment conditions. However, the peak position o...

Ngày tải lên: 05/03/2014, 14:20

... the surface of SiO 2 NWs by the flowing mixture of Ar and H 2 . Fe nuclei form by the deposition and segregation of Fe atoms, and further growth of Fe NPs proceeds with the continuous supply of Fe ... we can deduce that the nanoparticles attaching on SiO 2 NWs are composed of Fe atoms. To investigate the formation mechanism of Fe NPs, the distribution and morphology of Fe NP...

Ngày tải lên: 16/03/2014, 15:10

... with coordinates of ð 0; 0; zÞ occupy 2/3 of the octahedral holes in successive oxygen layers, and 1/3 of the octahedral holes with coordinates of ð0; 0; 0Þ are empty. In the case of our samples, ... incomplete understanding of its microstructure characteristics. The structure of a-Fe 2 O 3 (hematite) is based on hexagonal close packing of oxygen with iron in 2/3 of the octa...

Ngày tải lên: 19/03/2014, 16:48

... easy gas evaporation to the formation of WO 3 nanoparticles and firstly studied the sensing properties of gas sensors made of these nanoparticles. The WO 3 nanoparticles deposited under various ... formation of WO 3 nanoparticles. Fig. 3. (a)–(c) FE-SEM images of WO 3 nanoparticles deposited at 1, 3, and 10 kPa, respectively, and annealed at 600 8C. (d)–(f) FE-SEM images of...

Ngày tải lên: 20/03/2014, 13:06

... VNU Journal of Science, Natural Sciences and Technology 24 (2008) 9-15 9 Effects of the conditions of the microemulsion preparation on the properties of Fe 3 O 4 nanoparticles Nguyen ... hydrophobic part of SDS tended to the hydrophobic part of OA, which created a hydrophilic surface on nanoparticles (SDS/OA- coated nanoparticle). Structure analysis of the dried po...

Ngày tải lên: 28/03/2014, 10:20