Lead Selenide Quantum Dots
Product: lead selenide quantum dots (PbSe, Diameter: 4-5nm, Wavelength: 700nm)
Quality Control: Each lot of NANOSHELLead Selenide Quantum Dots was tested successfully.
|Materials||Lead Selenide Quantum Dots|
|Linear Formula||PbSe (Lead Selenide)|
|Dispersing Agent||Toluene/Aliphatic Amine|
|Fluorescence||λem 485 nm|
Dr. Bruce Perrault, Ph.D (Georgia Institute of Technology (Georgia Tech), USA)
In recent years, much attention has been paid to the synthesis and study of nanoparticles because of wide range of potential applications. Particularly, magnetic nanoparticles can have the special characteristic of exhibiting single-domain magnetism and can be used in magnetic tapes, ferrofluid, magnetic refrigerants, etc, because of their ultra fine size dimensioned with magnetic domain size. Oxide coated iron nanoparticles are non-toxic materials and due to enhanced magnetic properties can be more effective as compare with magnetite nanoparticles for biomedical application.
Dr. Myron Rubenstein, Ph.D (Polytechnic University of Turin, Italy)
The particles that are used in the pharmaceutical industry are still micron size only because the nano powders in the pharmaceutical industry are still in the research stage for most of the cases but in some cases of laparoscopy and angioscopy nano powders have been used but it are not cost effective. In the recent years the demand for nano powders are increased drastically because of its wide range of applications by producing Nano powder with metals like aluminum, iron and copper. This Novel technology is used in the production of aluminum powder which has applications in aviation industry.
Dr. Huojin Chan (University of Science and Technology of China, Hefei, Anhui, China)
Production of metal-based nanoparticles had been developed by gas phase synthesis through the pyrolysis of organometallic precursors. We adjust this method as the method for industrial synthesis of commercially available nanopowder of mean size of 6-100 nm. This method runs without vacuum and gives a relative high productivity of laboratory equipment.
Dr. Ms. Yi Yen Shi, (King Mongkut’s University of Technology Thonburi,Bangkok, Thailand)
Nano powders have wide range of applications and different methods are available for production. In the paper the three methods discussed are mainly used in pharmaceutical industries and electronic industries for the production of nano powder. If we compare the two processes (PGSS) and (DELOS) Process there is difference between the shapes of the powder in (PGSS) Powder is spherical and in (DELOS) there are cylindrical and dendrite. The powder produced in (PGSS) is in amorphous form where has in (DELOS) it is crystalline form. In the above methods (PGSS) process is more advantageous than any other process because it is flexible as we can control the size of the powder produced by controlling the amount of super critical fluid used in the process and we can maximize and minimize the yield of the production.
Dr. Hans Roelofs Ph.D (National Technical University of Athens, Greece)
Nano powder has many applications in different fields. Ceramics used in nano sized powders are more ductile at elevated temperatures compared to coarse grained ceramics and can be sintered at low temperatures. Nano sized powders of iron and copper have hardness about 4-6 times higher than the bulk materials because bulk materials have dislocations. Nano sized copper and silver are used in conducting ink and polymers. In Magnetic mono domains which increases the coercively compared to large particles these increases the storage capacities of the hard disks in the computers without increasing the physical dimensions. Nano powder has various applications in the pharmaceutical and medical field. Drug delivery has impacted by the advancement in nano powders smaller particles are able to be delivered in new ways to patients, through solutions, oral or injected, and aerosol, inhaler or respirator. New production processes allow for encapsulation of pharmaceuticals which allow for drug delivery where needed with in the body. From nanotechnology we can be able to understand the living cells and used in studies like, enhanced spectroscopic techniques, biochips, and protein and enzyme analysis.
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