Which chitosan should I use for electrospinning?

Azizah Mainal @Azizah-Mainal

14 August 2012 1 3K Report

I would like to electrospin chitosan. Should I use the high, mid or low molecular weight chitosan for the best result?

Azizah Mainal

Thank you Devraj.

Badges
Science method

More Azizah Mainal's questions See All

Why my colony PCR results of my recombinant bacterial not showing any results?

I am performing ligation of the plasmid and a target gene. The steps I have taken are: 1. Double digestion of the plasmid and target gene 2. Ligation of the plasmid with the target gene 3....

05 August 2024 2,570 3 View

How is the correct procedure for making the nitrogen-rich g-C3N4?

I have followed the procedure outlined in the article titled "One-step thermal polymerization synthesis of nitrogen-rich g-C3N4 nanosheets enhances photocatalytic redox activity" by Pang et al....

29 April 2024 3,896 0 View

Do you measure the pitch length of chiral nematics in your lab? Is measuring the distance between two lines in the fingerprint texture reliable?

Hi, I would like to seek advice/collaboration with anyone who measures the helical twisting power of chiral nematic liquid crystals. I would like to contact you directly.

26 November 2023 2,031 4 View

The difference between fermentor/bioreactor and magnetic mixer system?

Can a fermentor be used as a magnetic mixer system, or are these two systems fundamentally different despite sharing some common parameters?

20 March 2023 3,140 2 View

I would like to see if an existing office management software would be of interest in organizations with flexible working space in the United Kingdom?

I am conducting a UK market research for a Dutch IT company. I would like to see the prospect of it in the UK market, by getting opinions from facilities management of organizations, of whether it...

09 April 2019 8,748 2 View

How can one successfully run a liquid crystalline/solid state sample in a liquid state NMR spectrometer?

Hi everyone. Is is possible to run a liquid crystal/solid state sample in a liquid state NMR spectrometer (JEOL ECA 400)? If so, how do I set up the parameters? What are the precautions I need...

14 October 2018 8,685 2 View

What risk associate with monocyte based therapy in clinical use?

My definition of risk is a potential unfavourable effect tha can be attributed to the clinical use of cel therapy which derived from monocyte. The monocyte will be cultured eg more than 4 days in...

14 February 2017 5,004 1 View

Why do most regeneration medium use NAA as auxine source than 2,4-D?

Hello, I am studying about somatic embryogenesis in indica rice as it is my interest. I already learned in many papers looking for the effect of NAA in callus induction. but most paper used 2,4-D...

12 January 2016 4,551 14 View

What is the role of Hsfb to arabidopsis seed dormancy?

I need some explanations about the role of Heat Shock factor in arabidopsis seed to the dormancy. So far, I just know the role of heat shock factor in a plant organ and it has little information...

06 November 2014 6,256 3 View

What is the the range reference for CD45+ absolute count?

In this publication, it just compares between young and adult CD45, but I need the reference for normal range of CD45+ absolute count.

29 March 2014 4,511 1 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

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

What method is good for doing in vitro degradation study of PCL microsphere by change in weight calculation or change in diameter (from microscope)?

I have prepared some polymeric microspheres from chitosan and PCL. However while performing in vitro degradation study, I found difficulties in both above mentioned methods. Here I am mentioning...

20 May 2024 6,114 4 View

Silver chitosan nanoparticles were synthesized using cold plasma, we observed that the solution reverted to being transparent after one day. Reasons?

We prepared a solution using silver nitrate, chitosan, and sodium tripolyphosphate to synthesize silver chitosan nanoparticles. This solution was subjected to cold atmospheric pressure plasma for...

19 May 2024 9,317 2 View