Excluded volume calculation?

24 November 2018 0 6K Report

How to calculate the excluded volume of a Crowder, say dextran-40? If it is 4×volume of the molecule. If we calculate for 1 ml , then at a moderate concentration, the value exceeds 1ml! How? The radius of dextran 40 is 48 angstrom?

Badges
Science topic

More Nilimesh Das's questions See All

For an in-vitro drug release study, what molecular weight cut-off (MWCO) dialysis bag is required for a 117 kDa protein?

kindly reply me. Thanking you in advance.

05 August 2024 7,727 4 View

How can we identify (in silico) the interacting amino acid residues or the nucleotides involved in the Protein-Protein / Protein-RNA interaction?

Hello! everyone, I am trying to study in silico Protein-Protein and Protein-RNA interactions. Now, is there any tool with which I can identify the interacting amino acid residues or the...

14 July 2024 950 2 View

Any suitable Animal models to evaluate Mast cell stabilizers?

I am looking for an in-vivo model to evaluate standardized herbal extract for its potential as a mast cell stabilizer.

14 July 2024 779 0 View

What is the mathematical expressionof theoretical yield strength calculated considering solution strengthening in stainless steel 316L?

In the expression for solid solution strengthening model that has been widely used in the literature use a linear form consisting of strength coefficient, and concentration of elements in wt.%....

11 July 2024 4,476 3 View

How to insert cholesterol inside DPPC membrane by replacing same number of DPPC molecules in GROMACS?

I am trying to insert cholesterol inside the DPPC membrane by using gmx insert_molecules -replace. But number of DPPC molecules replaced is much higher than the number of cholesterol inserted?...

30 June 2024 4,160 2 View

How to synthesize Dichloro(p-cymene)ruthenium(II) dimer in a good yield?

Suggest some procedure where i can synthesize [Ru(p-cymene)Cl2]2 in a good yield.

23 June 2024 9,244 2 View

Analysis of microbial biomass for nutrient cycling?

It will be an honor, if anyone can suggest the standard methodology for analyzing nutrients(N,P,K) in soil microbial biomass

23 June 2024 3,850 4 View

Can i use polystyrene as a matrix in a hybrid COMPOSITE?

fiber powders will be used as a reinforcement.

23 June 2024 10,027 3 View

After expert validation of the research tool for data collection, what should be done first after piloting. Reliability analysis or factor analysis?

Which would be prefered first (factor analysis or reliability analysis of a Likert type scale)

19 June 2024 9,378 4 View

Which media will produce more biomass in saccharomyces cerevisiae?

Dear all, For higher biomass for saccharomyces cerevisiae which media is suitable in shake flask? 1. YPD media 2. Basal salt media and what is the optimum C/N ratio ( 5:1 /10:1). Thanks &...

18 June 2024 2,106 0 View

How Do Length of Pylon and Rotor Disk Radius Impact Angular Frequency and Torsional Stiffness in Whirl Flutter Analysis for a 2 DOF Propeller System?

Actually, I'm having trouble implementing the plot of the flutter region for the whirl prop system with 2 DOF (Influences of structural damping and propeller—pivot point distance on whirl flutter...

21 July 2024 5,047 2 View

How to get discharge capacity of a bole well?

No data regarding radius of influence is provided and no pumping test data available.

10 July 2024 7,168 0 View

How can I find the absolute maximum value of the Lamb-Oseen vortex with a no-slip condition?

R(t) = the propagation function of the vortex, where R=sqrt(4vt + R0^2) R0 = initial radius. w0 = initial angular velocity. Rf = the radius of the boundary confining the fluid. The Lamb-Oseen...

07 July 2024 3,680 0 View

Which software is the best for running SEM with several Moderation Variables?

Hello guys, I Have a question, I have structural equation model with multiple mediators, 2 mediator variables are dummy and 2 are continuous. I also heard that there is different manners of...

28 June 2024 6,186 1 View

What if the moderate variable demonstrates significance solely along the b path in Model 15 of the Process Macro?

I employed Process Macro Model 15 to investigate a moderated mediation effect. The moderating variable significantly influences the indirect effect (path B), but does not show significance on the...

24 June 2024 5,181 2 View

How do I justify my moderation analysis without literature?

Hi all, I'm currently doing my masterthesis and I'm a bit stuck. My thesis researches the link between self-esteem and social relationships and how anxiety and depression influence this relation...

21 June 2024 2,822 3 View

My conditional effects are significant but my moderation analysis is not, how come?

So I am doing my thesis on the relation between cyberbullying perpetration and life satisfaction and if physical activity is a moderator. But in my moderation analysis the interaction is...

17 June 2024 6,400 2 View

Any insight into this issue with moderated mediation - Hayes Process Model 7?

I ran Process (Model 7) for my research and I found a significant interaction on the A path. I tested for the indirect effect and got a significant indirect effect, but the index of moderated...

15 June 2024 6,794 3 View

How can I interpret the results of moderation analysis using PROCESS macro model 3?

I did a moderation analysis using SPSS and Process macro model 3, whereby the interaction between X Z W was not significant, but the interaction between X and Z was. I am confused in how to...

13 June 2024 4,921 3 View

ImageJ Concentric Circles?

Hi there! We are trying to use the Concentric Circles Plugin on ImageJ to determine signal intensity in neurosphere cryosections after immunocytochemistry/confocal analysis. We determined the...

12 June 2024 7,332 0 View