Methods of developing nano particles at a normal simple methods any one has a good idea
You can prepare by simple coprecipitation and selfprecipitation methods..
But can you get them in solid form or a suspension form
the problem here is in the process of development we need a good freeze dryer to get in solid if the nano particles are in suspension state
Had you have personal experience in nano particulate system if you have i have some problem with my work pls reply
Normal filtration followed by drying (air/ hot air oven) gives us solid product. Yes , i prepared nanoparticles by this method as a part of my research.
my article is not yet published, it was accepted in DDIP. i'll send the copy after it gets published
Actually i have prepared through the ionic gelation but i am getting a colloidal dispersion i think i can not go for filteration as per the literature the works has been done by freez drying
Which procedure u have undergone???and the method???solvent nano precipitation would be best fr the preparation of nano particles.
Ionic gelation i have used using stpp as the ionic compound in the solution state i am getting nano particles but not in solid i am getting in colloidal dispersion i am facing problem since i require a freez dryer
Ok...yeah u need to go for freeze drying for any nanoparticle also for SEM characterization...U dnt have any facility of freeze dryer????
Ya we dont have for sem photography there is no need to have the same in solid state for dsc thermal gravimetry we will need in solid state
u can do SEM's for your samples from instituitions like IICT. i did the same....we have some universities and companies where lyophilization facility is there like JNTU..
high speed homoginiza..........and y u dnt try spray drying.......
Our inst have freeze dryer and spray dryer also if any won need help to carry work i can help them but have to pay stated institute fees....
Nano zeta sizer is also there which will give zeta potential, particle size molecular weight.....etc.
Yeah try for IICT s and CCMB in hyd for SEM.....Lyophilization facilities are also available in universities like Manipal...also check for any ICMR regional branches.They also may have lyophilizers.
High speed homogenisation is the recent technique provided u can control the speed of it.And i dont think v can get tnano size by Spray drynig since it gives only micro particles size range as far as i know.....!
Spray dring is for solvent evaporation nd hsh for size reduction......make this clear in your mind....
I am using chitosan with out freez drying is this not possible it is possible to conduct dissolution with out having a solid particles
IICT takes samples from outsiders..u need to pay in the form of DD..500-600/- per sample. Even I used chitosan,but I didn't understand your last post..what is your work exactly?
Can please send the feez and other particulars of sample analysis pls send the link or file
I have heard a lecture by Prof. N. Hashimoto from SETSUNAN University in Japan. They use zirconia balls. http://pubget.com/paper/19801859
Prof Hashimoto paper is wonderful ,it suggests lot of alternative as well,great.
Solvent diffusion tech, high pressure homoginization, h speed homogi,
Nilesh I am a novice in it .I think most of these methods must be working.
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