How to calculate half-life time (T1/2) release of drugs from capsules?

Please share for a first-order kinetics how to find out half-life time (T1/2) release of drugs from micro-capsule? Thanz !

01 February 2018 370 3 View

How I prepare nano encapsulation of hydrophobic drugs using Polyethylene glycol as a coating agent?

I want to prepare nano encapsulation of hydrophobic drugs using polyethylene glycol (molecular weight below 1000) as a coating agent. Which method will be good option like inter facial...

10 November 2017 881 2 View

How many types of botanical pesticide can be formulated ?

In botanical pesticide formulation most of the active ingredients (plants parts) are water soluble. Like so many types of synthetic pesticides formulation (eg. soluble granuls, soluble powder,...

09 October 2017 4,868 7 View

What is the maximum plagiarism percentage acceptable for a research article?

When we writing a review or paper, there would not be about question about plagiarism just write in our own words. Though when we writing introduction or background part of any articles sometimes...

09 October 2017 2,175 34 View

Should I use the Xanthan gum for the preparation of Plant Oil based emulgel?

Is this possible to prepare emulgel using Xanthan gum? Is there any available protocol for the emulsion gel formulation using Xanthan gum?

08 September 2017 6,324 4 View

Is aqueous extract of medicinal plant called essential oil?

07 August 2017 3,697 35 View

How I increased the efficacy of botanical pesticides?

06 July 2017 3,842 9 View

Buffer to disrupt platelet alpha granules for PF4 quantification?

Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...

03 March 2021 1,499 2 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 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

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View