Sterile chitosan folat polymer?

Hi, I want to start my cell culture to run a MTT assay , how can I sterilize my polymer?

15 December 2020 1,813 1 View

Solving chitosan folate nanoparticles in dmem?

Hi there, I have been struggling with solving my chitosan folate coated nanoseleniums in dmem culture media sincr it is only soluble in acetic acid , and hardly soluble in basic media. What can I do?

19 November 2020 5,636 3 View

TEM and SEM of chitosan coated nanoselenium?

Hi, I have a 25 ml sample of chitosan coated nanoselenium with average diametere of 112 nm, considering the fact that chitosan after being kept in water media swelles, how can I send a sample for...

08 November 2020 6,859 3 View

Addition of glycerol in measuring zeta potential?

Hi there I wanted to know if it is ok to add 2 or 3 drops of glycerol for suspending the nanoparticles in water before measuring the zeta potential?

26 October 2020 2,146 3 View

Chitosan coated nanoselenium ?

I'm running a MTT test for evaluation the effect of chitosan coated nanoselenium versus bare nanoseleniums, what are the controls for MTT assay? Should I test bare nanochitosans as well as...

27 September 2020 9,525 2 View

How we can remove the primer dimer, wihout alternation of desired band?

Hello everybody, I was wondering to know how we can remove the primer dimer from PCR product in a way that, the quality and sharpness of the desired band remains unchanged.

09 October 2017 9,219 9 View

Hello, if we want determine which epitopes are presented by tumor cells. what method is appliable?

18 April 2017 4,399 3 View

Can any body tell me how can i disperse Fe3o4@sio2 in water?

I synthesize Fe3o4 nanoparticles and then i modified it by Sio2, how can i make stable dispersion of this coreshell (Fe3o4@Sio2) in water? should i use any surfactant?or should i functionalized it...

14 December 2016 7,516 2 View

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

I have tried to download the 64-bit version of MGLtools however, as many times as I have downloaded and uninstall the programs, an error arises that the app needs to be updated. Thank you.

03 March 2021 5,997 2 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View

I'm using AMOS for SEM--Why does my chi-square value change when I specify groups?

My study involves 2 groups (Black and Latinx participants, N=816). I've run my structural equation models with the data all together and will get a completely different chi-square when I specify...

22 February 2021 9,342 4 View