From raw crustacean exoskeleton to chitosan ?

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How to control the relative humidity levels in a biological experiment involving grains as substrates ?

I'm conducting an experiment to evaluate the effect of different humidity levels on a specific treatment of grains (rice grains), I'm looking for a reliable method to control the relative humidity...

06 July 2016 4,107 7 View

Is there an easy way to prepare colloidal chitin to be used for bacterial media ?

I wanna check the ability of one bacteria to produce chitinase enzyme, in the literature it showed some methods to obtain the colloidal chitin, but last time I tried it, it failed, maybe because...

02 March 2015 5,483 4 View

Does anybody know why my chitosan/pva/gelatin hydrogel dissolve in PBS?

My final research is about making chitosan/pva hydrogel for wound healing using gelatin as crosslinker. Last month, i made the thin film hydrogel and it turn well. It was okay. Last week, i make...

28 July 2024 2,794 6 View

How i figuer out the weight of curcumin powder?

I am trying to load curcumin emulsion in 4% chitosan gel but i don not know how many mg powder is needed ?

10 July 2024 2,462 1 View

What are the strategies to improve the stability of chitosan nanoparticles in DMEM (cell culture media)?

Hi, I am synthesising chitosan nanoparticles using the ionic gelation method and I am characterising the nanoparticles in distilled water and in DMEM (cell culture), however the zeta potential in...

01 July 2024 1,526 1 View

How to load Remedesivir drug into mesoporous nanoparticles?

Hello, I want to load Remedesivir (RNA polymerase inhibitor) into mesoporous nanoparticles (MSNs). The issue is drug is temperature and pH sensitive and it degrades quickly. I need advice on its...

01 July 2024 889 3 View

Any better protocol for entrapment efficiency of curcumin?

I am currently trying to measure the entrapment efficiency of curcumin in liposomes. Typically, this measurement can be done by centrifugation, and I have followed the protocol outlined by Asif et...

01 July 2024 7,007 1 View

Could anyone share me the following article?

Liu, R.; Wang, Y. (1987). Studies on Chinese species of the genus Parapenaeopsis (Decapoda, Crustacea). Oceanologia et Limnologia Sinica. 18(6): 523-539.

12 June 2024 3,701 0 View

What species of ostracod is this?

from Pakistan coast

09 June 2024 4,378 0 View

Can I magnetic stirrer chitosan 24 hours hours but 6 hours stirring 10 hours break like that?

I need to magnetic stirrer chitosan for 24 hours. In this case, if I magnetic stirrer the chitosan solution for 6 hours, then I take 10 hours of breaks. I followed this 4 times so that the overall...

31 May 2024 9,202 0 View

How to solubilize Chitosan( high molecular weight) in a aqueous solution ?

Hi everyone, there is my issue: I try to synthetize nanoparticule of Chitosan according with this study doi: 10.1016/j.colsurfb.2011.09.042 I try it with HMW Chitosan (340-360kDa) but when I put...

29 May 2024 1,763 2 View

Problem while making hydrogel from chitosan and gelatin ?

A uniform mixture of chitosan and gelatin is made by dissolving in acetic acid, after that the mixture is transferred to a plastic petri plate kept at -20 C for 24h and then lyophilized. But i am...

29 May 2024 7,367 4 View