What is proper injection solvent for drug insoluble in water?

Dear all, I use hydrophobic or insoluble drug for injection What is proper solvent that is low cytotoxicity ?

31 December 2016 2,659 4 View

What is the best solvent for pi-pi interaction of CNT with aromatic compound?

Dear all, What is the best solvent or buffer for pi-pi interaction of CNT? Low polarity solvent is good for non covalent conjugation? I wonder that... Thank you.

11 December 2016 1,968 1 View

Biomolecule and polymer have zetapotetial ?

09 October 2016 9,988 2 View

How to calculate pecent of injected dose per gram of organ ?

Dear all, Total injected dose : 100ug/100uL Gram of organ: 16mg Uptaked Drug concenration in organ: 1ug/mL How to calculate %ID/g ?

08 September 2016 9,559 2 View

How nanoparticles bind with thiolated compound ?

06 July 2016 1,485 1 View

Why use coupling reagent [ex) EDC/NHS] ?

Good afternoon :) I want to bind carboxylic acid-SAM layer with protein having amino group. In too many paper, coupling reagent is used for 'activation'. I know that carboxyl group react with...

04 May 2015 3,287 1 View

Is Osmium tetroxide necessary for SEM?

I want to make cell sample for measuring SEM but I don't have osmium tetroxide ( I heard it is expensive reagent...) I have to use osmium tetroxide? or negligible? Are there any other alternatives?

03 April 2015 5,190 6 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 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

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

What is the error of the Txy diagram?

Hi, I know the attached Txy diagram has an error but can't figure it out. Could you please look at the diagrams and explain it to me?

23 February 2021 4,239 1 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View