What is the better way to increase the uniform dispersion of graphene nano powder in the phenolic (novolac) resin?

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Can any one pl. suggest a better X-ray Diffraction result analysis tool?

I have performed silanization on the naturally available shell powder. I performed X-ray Diffraction test on the shell powder and silane treated shell powder. Can u suggest, how to infer details...

08 September 2018 1,410 4 View

How to characterise the graphene reinforced phenolic binder?

I have to prove the presence of graphene in the phenolic binder composite.

08 September 2018 2,552 3 View

Nano Orange protein quant on the Quantus fluorometer?

Is anyone here using the Thermo Fisher Nano Orange kit for protein quantification, and detecting the fluorescent signal on the Promega Quantus? We are struggling to make sense of the standard...

05 August 2024 8,946 3 View

A positively charged and 10x his-tagged protein that doesn't bind to any chromatographic resin?

Hello everyone, I am currently working on a protein that is 10x his-tagged and positively charged (predicted pI=10.16). But when I tried to use Ni-NTA column to purify the protein, it's not...

24 July 2024 7,293 4 View

What is the principle/mechanism behind aging of carbon (graphite) containing refractory mix for isostatically pressed refractories?

The resin bonded carbon containing refractories are aged before use. How time of aging is determined? And mechanism behind aging.

23 July 2024 3,205 0 View

Prevent sedimentation and maintain the suspension of powder particles in the resin ?

Hello, I am experiencing an issue with mixing micro powder with resin in a 3D printer. The problem is that sedimentation occurs after a short period (about half an hour to an hour). Could you...

23 July 2024 1,672 0 View

Any relation between resin viscosity（mPa*s）and resin relative molecule weight？why the former is used in manufacture?

https://en.wikipedia.org/wiki/Viscosity

21 July 2024 3,089 4 View

Is it possible to conjugate an NHS ester to the N-terminus of a peptide ON RESIN?

So i have a few peptides (synthesized by SPPS and not cleaved from resin) and I want to add a maleimide label. We have NHS-PEG-Maleimide and from literature it is evident that the free amine group...

18 July 2024 4,075 3 View

Recommendations for his-tag magnetic beads / resins?

Good day everyone, Trying to perform protein purification for the first time, gotta buy the whole equipment/reagents. Protein of interest 48 kDa (Antithrombin), expressed from his-tagged plasmid...

16 July 2024 3,692 6 View

Help me to identify these fungal slides?

These fungal slides are isolated from cultured Bread mold on PDA media and smear is treated with Lacto phenol Blue dye ..

13 July 2024 9,701 1 View

What is the exact procedure and materials for converting from ester to carbolic acid by base hydrolysis??

11 July 2024 4,645 3 View

How long can I store mouse tissues in neutral buffered formalin for, and how often should I add fresh formalin?

My study uses C57BL/6J mice and I am required to store portions of the important organs in neutral buffered formalin (NBF). Could I potentially keep those tissues in the formalin for a few weeks...

06 July 2024 8,360 2 View

Sadeq H. Lafta

Using high shear mixer alternatively with ultrasonication.

Luma M. Ahmed

using ultrasound instrument............ but fixed the frequencies

Md. Abdur Rahman

Disperse novolac in a suitable solvent under inert condition at 60oC temperature then add GNP and stir it magnetically or by ultrasound.