How do we fix particle optical properties in malvern mastersizer?

how do we fix particle optical properties in malvern mastersizer?

07 August 2018 7,105 0 View

How the Span in particle size distribution effects the invitro dissolution?

08 September 2017 480 1 View

How to prepare 30 mM of acetate buffer solution ( Sodium acetate + Glacial acetic acid)?

how to prepare 30 mM of acetate buffer solution ( Sodium acetate + Glacial acetic acid)?

04 May 2017 4,127 3 View

How to measure zetapotential for Iron complex injectable formulations ?

How to measure zetapotential for Iron complex injectable formulations?

04 May 2017 3,634 1 View

How to set the absorption index in malvern master 3000 for nanosuspension?

How to fix the absorption index for nanosuspension in mastersizer for particle size development.

02 March 2017 8,840 0 View

How to measure the specific surface area for the nano crystal particle?

02 March 2017 7,283 0 View

How to get desired particle size of an parenteral nanosuspension?

currently am developing parental nano suspension by using media milling process but the problem is am unable to achieve the desired particle size range and in my formulation am using tween as...

10 November 2016 295 10 View

How to select the molecular weight cutoff membrane filters from Ophthalmic emulsion in vitro release studies?

i am preparing ophthalmic nano emulsions to prove the in vitro release fro formulation. i need to select the proper MWCO membrane.will it depend on the Molecular weight of drug molecule or any...

08 September 2016 5,812 7 View

An anyone suggest how to estimate drug distribution in all the phases of a oil-in-water nanoemulsion?

01 January 1970 3,509 12 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

How does an antibody have full intact antibody + half antibody?

Hello, I was just wondering how does a antibody have full intact antibody + half antibody? Is it because of the drug conjugation?

28 February 2021 1,577 1 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

How do I choose contrasts in SPM8?

I am learning how to use SPM for PET and PET-MR analysis, but I haven't found any great resources that explain how contrasts work. I have a series of PET images where our hypothesis argues that...

24 February 2021 1,534 2 View

To date, according to health authorities, 30% of the population's diseases are initiated by drinking water pollution. Do you know this problem?

The main studies are as follows: * regular and timely receipt of information about the state of the environment using automated systems (stationary and mobile); * operational analysis of the...

23 February 2021 912 5 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View