What should a smart water system look like?

Our team is designing a smart water C&C dashboard for a smart city initiative. As we look into the current smart water system landscape, we couldn't reconcile to a definitive solution that...

16 February 2021 1,094 3 View

Anyone has an experience extracting proteins from rectal swab samples?

I am working with rectal swab samples in the field of colorectal cancer research. Does anyone have experience (or can point towards any relevant literature) of specifically working with proteins...

02 February 2021 3,622 3 View

Is it possible to ligate two restriction ends those have no complementary bases?

In my lab,we are trying to construct a control plasmid. So we have to remove the insert gene which has two restriction ends:one is XhoI and other one is Hind III.So after double digestion we want...

01 January 2021 3,271 4 View

How to generate topology file for ligand for Gromacs?

Dear all, I converted a PDB file into Mol2 file using Openbabel (H added) and then fixed the bond order number using this command: perl sort_mol2_bonds.pl jz4.mol2 jz4_fix.mol2 When I try to...

22 December 2020 303 4 View

Can we used PTOTACs to improves the RNA vaccines immunity period ?

Using targeted degradation of non structural proteins of viral capsid can we lengthen the vaccines effectiveness

21 December 2020 7,200 1 View

Can I reuse the NAP-5 colums(GE)?

Hi all, I am using NAP-5 disposable columns from GE for removing DTT from my protein. Can I use the same column again for the purpose of removing DTT. Can you please mention the protocol for...

10 December 2020 3,199 5 View

How to reduce (which reducing agent) a disulfide bridge in a protein and how long does it remain reduced?

I want to reduce the disulfide bridge in my 7kDa protein. My protein has only 1 cysteine at the surface and thus makes a homodimer using a disulfide bridge. I want to reduce the disulfide bridge...

24 November 2020 3,211 5 View

Is it possible to get higher order of diffraction (n>1) in HRTEM?

The SAED pattern, we obtained from HRTEM shows the interplanar spacing (d) that corresponds to a higher 2theta value than the Powder crystal X-ray diffraction pattern for the same organic...

02 November 2020 8,073 3 View

What are the efficient methods available to test the soil fertility?

Want to understand the scientific mechanisms to know type of soil suitable for agricultural purpose.

22 October 2020 4,941 3 View

How to capture UV- fluorescence from a substance using a camera?

I have a liquid that glows when UV light is shined. However, when I use my phone camera I can't see the glow, I just see a violet hue. What is the best way of capturing the fluorescence-glow from...

02 October 2020 8,664 3 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

can I treat waste water containing solvents and alcohol with electrocoagulation?

there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...

27 February 2021 2,609 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View