What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 View

How to isolate the pure Ruthenium DMSO complexes from the reaction mixture?

The reaction between N-S bidentate/ONS tridendate ligand (TSC) and cis[RuCl2(DMSO)4] in ethanol by reflux is complete as seen from TLC chromatography. But removing the excess solvent through...

27 December 2020 6,630 1 View

What may be the reasons for broad spectrum in proton NMR (taken in DMSO-d6) for Pd(II) complexes?

The synthesized Pd(II) complexes involved -NH group attached to C=S moiety. The 1H proton NMR taken in DMSO-d6 solvent consisted of a very broad peak at 4.8 ppm with an integration of 6. They are...

09 December 2020 4,340 3 View

What may be the reasons for broad spectrum at 4.8 ppm in proton NMR (taken in DMSO-d6) for Pd(II) complexes?

The synthesized Pd(II) complexes involved -NH group attached to C=S moiety. The 1H proton NMR taken in DMSO-d6 solvent consisted of a very broad peak at 4.8 ppm with an integration of 6. They are...

09 December 2020 9,960 3 View

How to change the protein chain names X into A, B, C, D after MD simulations in Gromacs?

I am running MD simulations for holoenzyme in Gromacs. The protein has four chains like A, B, C, D. After MD simulations, All the chains are showing as X chain in VMD and even in the PDB file....

12 November 2020 6,228 1 View

I am electroplating Ni on a stainless steel. At temperature and time should I anneal so that Ni thermally diffuses into stainless steel?

I am electroplating Ni on a stainless steel for abrasive application. At temperature and time can I anneal so that Ni thermally diffuses into stainless steel? My intention is to improve the...

20 October 2020 7,092 3 View

Can anyone help me to get all the variables imported in NLogit?

While i try to import the data from excel files to NLogit 4, only 18-19 variables being imported and the rest 6-7 variables is missing in the imported list. I have tried in changing the memory...

12 November 2019 9,760 1 View

Which breast cancer cell line is good for metastasis study in NOD SCID mice model?

13 June 2018 5,388 3 View

I am working on ISSR primers. I get bands for some samples and a smear in others. Why?

Hi, I am currently working on ISSR primers for my algal samples. When I did PCR for my samples along with some marine algal specimens, I could observe bands for the marine specimens and a smear...

15 May 2018 877 3 View

How to treat cancer cells with (Tetrahydrobiopterin) BH4 ?

Could you please address this problem? I am treating lung cancer cell line (A549) with Tetrahydrobiopterin (BH4) in DMSO. There is a slight effect, but BH4 is very unstable and it oxidizes very...

15 May 2018 6,518 5 View

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

How to find the capacitive response frequency from the impedance plot?

I have done electrochemical impedance by using cyclic voltammetry for one organic material. from that, I plotted bode diagram. but actually, I am very confused about how to find the capacitive...

18 February 2021 3,023 3 View

Which method is preferable for cutting the nanocomposites?

Which of the methods like water jet cutting, diamond cutting, laser cutting, etc. is more suitable to cut the carbon nanotubes reinforced epoxy composites into test sample to ensure the clean...

29 January 2021 1,354 5 View

What is the harmless way of cutting epoxy filled nanocomposite ?

I want to cut epoxy filled nanocomposite for FE-SEM analysis. What is the best way to cut it without resulting in any cracks or change in position or alignment of the particle reinforcement ? Also...

28 January 2021 7,084 5 View

How to get rid of the solvents from a PU-Ag nanocomposite?

I've synthesized a polyurethane-Ag nanocomposite and the product is dissolved in a two-component system i.e. DMF and DMSO. I wish to know of any ways that I can use to get rid of the solvents and...

27 January 2021 1,847 3 View

Why degradation of pesticides is maximum at specific pH by using nanoparticles and nanocomposite?

actually, I am degrading pesticides by using inorganic composites the pH of the pesticide in distilled water is neutral the pH of nanocomposite is also neutral then why maximum degradation takes...

23 January 2021 8,775 3 View

How to simulate cyclic voltammetry in Comsol Multiphysics?

Hi! Does anybody know how to Programm a cyclic voltammetry Simulation at Comsol multiphysics for a disk-shaped macroelectrode (2D)? Thank you!

12 January 2021 10,012 3 View

In the tensile test for a nanocomposite sample, if the sample width decreases (thickness is constant), what does the stress-strain curve change?

Given that the stress is equal to the force divided by the area(width*thickness), what change does the reduction in sample width make to the stress-strain curve? Does stress change occur...

09 January 2021 5,124 5 View

Same sample, significantly different trace for DMF vs. THF for cyclic voltammetry?

Dear reader, I've been having trouble with my cyclic voltammetry recently, but I then had a break through and managed to get apparently "clean" results using dry, deoxygenated THF and/or DMF,...

06 January 2021 4,312 3 View