What modeling software can be used to analyse fate of pesticides using a fugacity multimedia approach?

Hello, I am trying to understand the fate of pesticides based on the fugacity multimedia approach. Is there software for such modelling? I know SWAT can be used for watershed-level pesticide...

15 October 2020 1,424 3 View

How to amplify extremely high GC-rich template?

I am cloning a whole cDNA of a particular gene and I have designed forward primer at start of 1st exon. The region downstream of forward primer is extremely high GC rich (around 85-89%). Because...

17 September 2020 6,571 11 View

How to apply load in abaqus ?

I have created a beam and i dont know, what is the maximum load it can take, Is there any way to increase the load continuously without giving a fixed value, so that at some load the beam will...

02 September 2020 6,246 9 View

I have a list of properties of tool steels here. Please let me know which of the below mentioned properties will change after heat treatment?

16 August 2020 730 8 View

How to define hyper elastic UMAT in a UEL?

Hi all, I am working on Phase-Field UEL for hyperelastic materials. I am using codes of Dr Molnar ( http://www.molnar-research.com/tutorials_videos_3.html) to develop hyperelastic material. I...

07 April 2020 4,243 1 View

Related to Jasco FP-8300 spectrofluorometer?

I used Jasco FP-8300 spectrofluorometer to take a spectra of riboflavin but I got two instead of one. I had changed different solvent but the spectra remained same. Is this instrument fault or...

15 September 2019 633 1 View

What's going wrong with plastic sectioning?

I am doing Aniline blue staining in rice anthers to detect callose signaling. When anthers are squeezed and stained, I could detect the signaling. However, when I do plastic embedding with...

10 April 2019 9,131 15 View

What would be the formula for finding the stretch force for expanding an O ring made of elastic ? On what factors the expansion stretch force depends?

I want to expand an O ring made of elastic material and am looking for the mathematical expression (dynamics) on which the stretch force depends. In addition to this, how does it vary in different...

18 March 2019 4,158 3 View

Getting fewer colonies on SD-gal plates when compared to glu plates.Need help with increasing the transformation efficiency on gal plates?

Hello , I transformed yeast cells with a plasmid containing URA marker and plated on SD-Glucose and Galactose plates.I obtained about 350 colonies on the glucose plates but only 100 on galactose...

10 September 2017 9,431 8 View

Bacmid DNA is not getting dissolved in TE buffer

Hi.I am facing problems in the bacmid isolation step.Currently i am using purelink hipure plasmid miniprep kit for isolating the bacmid.But the problem is,after the isopropanol-ethanol step when i...

13 August 2017 1,069 10 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

How to search for crystal structure for material with atomic position labelled?

I am using the crystallographic open database and materials project to search for cif file but the exact structure is not mentioned or how can I deduce that the given structure and atomic position...

23 February 2021 6,723 2 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

How to formulate Energy minimization in Molecular dynamics simulation for alloys using meam potential?

during MD simulation, the atoms are not moving as per required. The problem (as per my observation) lies in energy minimization technique. upon application of tensile strain in x or y direction,...

22 February 2021 380 5 View

Magnetismic Gravity in the universe?

MAGNETISMIC GRAVITY What is magnetism? Something magnetic has a + and - charge. If 2 + or - are pushed if + and - are pulled. But what is the main reason for this? Why does magnetism have a pull...

21 February 2021 9,538 3 View

Has anyone succeeded in capturing uranium atoms in a fullerene structure?

Additional questions are: What are the encapsulating atoms? How difficult was the process and what rates were achieved? What factors most seriously affect the economics?

20 February 2021 3,134 5 View

How to get the vector of a specific vibration mode in phonon dispersion?

For example, I have this phonon dispersion(Fig. 1), and now I would like get vector of atoms which describes TA1 in P. I know v_sim can show vibrational animation of specific mode, but I do not...

20 February 2021 4,332 4 View