نتایج جستجو برای: zeolitecollagen nano particles

تعداد نتایج: 201027  

Journal: :international journal of nanoscience and nanotechnology 2014
s. shams sh. pourseyedi h. hashemipour rafsanjani

silver nano-particles have different biological applications due to their compatibility. chemical methodsusually result in remaining some amounts of toxic reactions on the nano-particles. for this reason, the useof plants as sustainable and accessible resources in preparation of compatible nano-particles has attracteda lot of attention in the recent years. this research investigated the green s...

Journal: :پژوهش های زراعی ایران 0
حسن فیضی پرویز رضوانی مقدم علی اصغر برهمند

in order to study the effects of magnetic field, silver nano particles and micronutrient fertilizers on sugar beet, an experiment was conducted at razavi research and technology institute, mashhad, iran. experiment carried out with seven treatments based on randomized complete block design with three replications. treatments included (t1) magnetic field and silver nano particles + kemira fertil...

Journal: :journal of nanostructures 2012
a. akbari f. mohamadzadeh

nowdays,  iron  nanoparticles  due  to  their  unique  characteristics  are used  in  all  of  sciences  and  technology.  these  nano  particles  due  to their  electrical, magnetic,  optical  and  catalytic  properties  and  having high  area  and  activity  that  is  promped  by  their  small  size  and most importantly  many  scientists  from  the  entire  world  are  interested  in their  ...

Journal: :آب و خاک 0
موسی حسینی موسی حسینی خلقی خلقی عطایی آشتیانی عطایی آشتیانی باقری محققی باقری محققی

abstract the aim of this study is laboratory investigation of nitrate reduction in water using fe/cu nano particles. in this regards, nano fe0 (54±4 nm) and fe/cu particles (75±3 nm) was synthesized and characterized by x-ray diffraction pattern (xrd), scanning electron microscope (sem) and transmission electron microscopy (tem) photographs. the effects of coating load of nano-fe0 by cu (0, 5, ...

Journal: :annals of military and health science research 0
رویا احمدی roya ahmadi no 10, shahid sakhaii st., rabazeh st., east zam-zam st., abouzar blvd, piroozi st., tehran, iran. ماندانا پیراهن فروش mandana pirahan- foroush department of chemistry, faculty of basic sciences, islamic azad university, yadegar emam khomeini branch, tehran,iran.

purpose: to evaluate the effect of fullerene on chemical properties of naphazoline drug in   water by density functional theory (dft) methods.   materials and methods: naphazoline belongs to the imidazoline class of sympathomimetics.   the present study on naphazoline drug and its fullerene connected form were carried out using   computerized calculations of gaussian program in b3lyp/6-31g leve...

Journal: :تولید گیاهان زراعی 0

in order to study the effects of silver nano particles, magnetic field in corporation with barium, lithium and micronutrient fertilizers on wheat, an experiment was conducted at research farm of razavi research and technology institute in 2008. experiment carried out with eigth treatments based on randomized complete block design with four replications. treatments were including (t1) magnetic f...

Journal: :current medical mycology 0
zeinab sadeghi ardestani department of medical parasitology and mycology, school of medicine, iran university of medical sciences, tehran, iran mehraban falahati department of medical parasitology and mycology, school of medicine, iran university of medical sciences, tehran, iran sharareh sayah alborzi department of medical parasitology and mycology, school of medicine, iran university of medical sciences, tehran, iran mahtab ashrafi khozani department of medical parasitology and mycology, school of medicine, iran university of medical sciences, tehran, iran fatemeh rostam khani department of prosthodontics, dental school, shahid beheshti university of medical sciences, tehran, iran abbas bahador department of microbiology, school of medicine, tehran university of medical sciences, tehran, iran

background and purpose: in people wearing dentures, the growth of various candida species under the prosthesis leads to the formation of biofilm, which can play the role of a reservoir for candida and other kinds of microbes. since nano-chitosan particles can cause lasting antimicrobial activity, a more recent approach that utilizes acrylic resins with nano-chitosan particles is proposed. there...

Journal: :international journal of nanoscience and nanotechnology(ijnn 0
t. iqbal department of physics, faculty of science, university of gujrat, hafiz hayat campus, gujrat, 50700, pakistan s. tufail department of physics, faculty of science, university of gujrat, hafiz hayat campus, gujrat, 50700, pakistan s. ghazal department of physics, faculty of science, university of gujrat, hafiz hayat campus, gujrat, 50700, pakistan

nano technology has a large number of applications in different fields of science and technology. nano particle are the tiny particles which are being used in upcoming technology due to their small size and high capability. the properties of nanoparticles depend largely on their synthesis procedures. there are different methods for the synthesis of nano particles using different conditions. in ...

Journal: :journal of dental research, dental clinics, dental prospects 0
farzin heravi dental research center, school of d mohammad ramezani pharmaceutical and biotechnology research center, school of pharmacy, mashhad university of medical sciences, mashhad, iran maryam poosti assistant professor, department of orthodontics, school of dentistry, islamic azad university, tehran, iran mohsen hosseini achool of dentistry, mashhad university of medical sciences, mashhad, iran arezoo shajiei farzaneh ahrari dental research center, school of dentistry, mashhad university of medical sciences, mashhad, iran

background and aims. incorporation of nano-particles to orthodontic bonding systems has been considered to prevent enamel demineralization around appliances. this study investigated cytotoxicity of transbond xt adhesive containing 1 wt% titanium dioxide (tio2) nano-particles. materials and methods. ten composite disks were prepared from each of the conventional and tio2-containg composites and ...

Journal: :journal of ultrafine grained and nanostructured materials 0
ibrahim sharifi nanotechnology and advance materials department, materials and energy research center (merc), p.o. box 31787-316, karaj, iran. ali zamanian nanotechnology and advance materials department, materials and energy research center (merc), p.o. box 31787-316, karaj, iran. aliasghar behnamghader nanotechnology and advance materials department, materials and energy research center (merc), p.o. box 31787-316, karaj, iran.

magnetic nanoparticles attracted a great deal of attention in the medical applications due to their unique properties. the most exceptional property of magnetic particles is their response to a magnetic force, and this property has been utilized in applications such as drug targeting, bioseparation, contrast agents in magnetic resonance imaging (mri) and heating mediators for cancer therapy. in...

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