Is it possible to identfy the difference between Methyl alcohol, ethyl alcohol and ethyl acetate extract,if so how?

I am working in the column chromatography for extracting plant extracts in Methyl alcohol, ethyl alcohol and ethyl acetate extracts I got confused with the columns that what column I placed which...

31 July 2020 4,937 3 View

How do we apply a bending stiffness on to a wire model in abaqus?

I was trying to mimic the deflection of a cantilever beam in wire on to a model with a portion of the beam replaced by a spring which provides a bending stiffness. I gave a usual spring with...

01 July 2020 6,869 4 View

How to rectify the"DIsplacement Increment for contact is too big" warning in abaqus?

I am currently modelling a joint of a geodesic dome. I previously ran an analysis only with preload of bolts ignoring all contact surfaces of the shank of the bolt and other geometry . This time...

03 June 2019 4,811 5 View

How to fit multiple curves on same data using the curve fitting toolbox in matlab.?

I have a data set and I want to fit multiple curves (say polynomial of order 4, 5, 6 etc) to the same curve using the cftool. While using curve fitting toolbox, it allows to fit only one type of...

21 December 2018 9,333 1 View

Can chitosan metal (Ag and Au) nano composite encapsulate DNA?

I have done DNA encapsulation using chitosan nano particle. Also I found many referee for that. But i couldn't find any references for encapsulation of DNA with chitosan metal nano composite.

26 October 2017 6,883 3 View

How to get K1 and K2 from J-integral for mixed mode?

17 February 2017 4,486 3 View

Why do damaged cells give high fluorescence intensity with rhodamine 123?

16 March 2016 4,380 2 View

Can someone help me to identify this SAED pattern for silver nanoparticle?

16 December 2015 1,022 6 View

How do you apply a sinusoidal load in ANSYS APDL?

I would like to apply a sinusoidal load to a rectangular plate in ANSYS.

29 July 2014 3,284 4 View

Is there any way to export the finite element meshes created in ANSYS (Mechanical APDL) to ABAQUS?

Ansys to abaqus

08 May 2014 1,327 8 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Does any one can help me choose a reasonable basis set for intermediate metal ions interactions with guanine (i.e Fe2+, Mn2+, Cu2+ and exc.)?

Hello every body Does any one has any idea to help me choose a reasonable basis set for intermediate metal ions (i.e Fe2+, Mn2+, Cu2+ and exc.) interactions with guanine or other DNA organic...

01 March 2021 6,187 2 View

Why do we need to neutralize the charge of the system by adding ions before we proceed to energy minimization step in GROMACS ?

I am learning MD simulations using GROMACS and while I was doing a protein in water MD simulation a doubt raised. I was following the steps mentioned on the tutorials page and it said The system...

15 February 2021 5,514 4 View

Anyone who used chelating agents during DNA extraction?

I am struggling to extract DNA from mine tailings even after enrichment due to suspected metal ions degrading DNA or inhibiting PCR reactions. I have used the following DNA extraction kits Zymo...

26 January 2021 4,542 2 View

MS/MS protein analysis?

Hi Everyone: I want to quantify the relative amount of a protein in 2 samples. I will first digest the sample with trypsin, and subject the resulting peptides to LC-MS/MS analysis. I will then...

25 January 2021 8,333 3 View

Why and how to avoid negative values in optical density by spectrophotometry when measurements corrected by blank solvent?

I am trying to assess chlorophyll-a content from coral tissue using spectrophotometry (with SPECTROstar Nano, BMG). However, I always seem to obtain some negative values in my optical density raw...

20 January 2021 1,542 4 View

What is the difference between soluble ions and exchangeable cations? And How to determine each of them?

I used percolation columns to reclamation saline-sodic clay soils . And my question is, What is the difference between soluble ions and exchangeable cations?

18 January 2021 6,868 3 View

What does the resolution of quadrupole mass analyzer depend on?

Hi, I was curious to know what factors affect the resolution of a quadrupole mass analyzer. I find a lot of electrical settings that may affect the mass of the ions that are being transmitted. Is...

17 January 2021 5,724 1 View

How can i calculate diffusion barrier of Li ion on graphene nanoribon using SIESTA?

I'm a new siesta learner, I'm working on lithium-ion batteries, I have calculated adsorption energy but i am not able to calculate diffusion barrier of Li ion. kindly help me how to calculate...

14 January 2021 2,688 1 View

Can anyone provide me with a procedure for determining chloride ions in soil samples?

I want to test the chloride ion concentration in the soil sample where I am conducting a research, but I cannot find a procedure to proceed. Thanks in advance!

07 January 2021 5,646 9 View