35 Questions 24 Answers 0 Followers
Questions related from Ravi Teja Reddy
Difference between Multispectral and hyperspectral image analysis in agriculture crops.
08 August 2019 1,512 4 View
how to use buffer equation for preparation of 7.4 pH buffer.
08 August 2016 1,146 3 View
i want remove co2 from buffer
08 August 2016 10,041 3 View
how to find genomics in obese patients with saliva sample
08 August 2015 6,968 3 View
i want know about how healthcare technology affecting people lives
06 June 2015 9,502 2 View
how to implement six sigma in pharma industry
03 March 2015 8,381 3 View
Nanoparticle surface forces are more when compared to body forces so how do drugs get entrapped in to core
09 September 2014 1,377 3 View
Nanoparticles are colloidal range, their stability is depend on the zeta potential that is based on surrounding fluid around particle. when it enter in to stomach or blood medium composition will...
09 September 2014 4,339 7 View
I prepared chitosan nanoparticles. I am conducting stability studies at two different zone temperatures, one is at 2 centigrade and another temperature is 25 centigrade. Nanoparticles at 25...
07 July 2014 906 7 View
several method available for conversion of physical state of the compound among which is best to retain permanent amorphous form
07 July 2014 2,455 14 View
In polymer mixtures during melt extrusion the physical state of polymer is changes (very rapidly to slow) in given time frame. Some are occur in initially nanometer range further spreads bigger in...
07 July 2014 9,461 12 View
In hot melt extrusion, changes in molecular mobility lead to the changes in the physical transition of drugs.
07 July 2014 4,353 1 View
I did chitosan nanoparticles after I obtained solid particles. I did coating with Eudragit s-100 polymer so I want measure surface zeta-potential of both products. Please provide me with the details.
02 February 2014 6,137 0 View
I prepared chitosan nanoparticles some have got 0.2 and others are in the range of 0.4 - 0.5.
02 February 2014 1,131 31 View
I did chitosan nanoparticles, for each sample I did "three replicates malvren zetasizer that the three results are incomparable." What is reason behind it?
02 February 2014 1,168 12 View
I have prepared the pH sensitive nanoparticles and want to check their pH sensitivity.
01 January 2014 9,603 7 View
I am using chitosan polymer for naoparticles and I adopted ionic gelation method, but during particle size analysis it shows two peaks: one at 380nm and another at 4800nm but it does not shows...
01 January 2014 6,667 5 View
I found in an article that if crystallization area below 30 nm DSC can not find the crystallization in solid dispersion, but DSC is a very promising tool for characterizing the polymer blends.
01 January 2014 9,193 1 View
I am doing some work on miscibility and re-crystallization of amorphous drugs. I want to know about the effect of cooling rate on crystalline kinetics.
01 January 2014 8,154 5 View
I want know about the relation between Tα and Tg in both amorphous and crystalline polymers.
01 January 2014 5,102 5 View
I'm struck with these relaxation kinetics and molecular mobility.
01 January 2014 6,061 8 View
I did dsc analysis for my drug and drug-polymer mixture, and seeking to learn about interpretation.
01 January 2014 7,931 10 View
Some researchers suggest adding some capping agents to increase the zeta potential. Does anyone have examples of positive zeta potential capping agents?
01 January 2014 6,155 0 View
Apart from from particle size measurements are there any other techniques for agglomeration strengths and agglomerates?
01 January 2014 7,838 10 View
I want to know about the particle shape and either these are mono disperse or agglomerated.
01 January 2014 1,327 7 View
Every time we do any formulation before we conduct interaction studies of a excipients and drugs.
12 December 2013 3,562 3 View
Various solubility parameters are used to determine miscibility of drug in polymer in solid dispersion. How can we conclude miscibility by using solubility parameter?
12 December 2013 2,409 8 View
Some articles show that DSC can not give the details about miscibility of drug and miscibility effect drug release from polymer.
12 December 2013 993 5 View
we use the term Tg for amorphous materials
12 December 2013 2,105 20 View
Solubility and drug absorption in gastrointestinal tract is increased by supersaturation of drug in GI fluids. How can we maintain supersaturated state and without getting the drug being precipitated?
12 December 2013 4,743 1 View
I prepared nanoparticle formulation of Ciprofloxacin hcl for that I want the in vivo accumulation (or) distribution studies in rats.
12 December 2013 6,823 1 View
I select poorly water soluble drug that I want to increase solubility by nano particle formulation by decreasing size of particle solubility is increased so I want to measure solubility practically.
11 November 2013 441 1 View
I am formulating nano-particles so what are different interaction in formulation chemistry perspective. I have FTIR spectra of drug and excipients.
11 November 2013 7,705 6 View
For uniform coating of nanoparticles by using various ratio of core and drug.
10 October 2013 7,223 0 View
Coating of ionic gelation nano particles.
08 August 2013 7,628 1 View