Hadi Hezaveh

14 Questions 28 Answers 0 Followers

Questions related from Hadi Hezaveh

Methods of Thawing Frozen Mammalian Cells?

I am looking for different methods of mammalian stem cells freezing and thawing. Both in industrial and laboratory scale. Would greatly appreciate your input.

14 February 2019 5,559 10 View

Fibronectin Immunoflorescent staining- anyone can lend their expertise?

I have been trying to stain my PEG based hydrogels for Fibronectin. I used Monocolonial Anti-Fibronectin as primary and AF 488 as secondary. What I have been observing was a green background with...

25 August 2015 7,664 5 View

QCM Problem - Can you lend your expertise?

I have been using QCM-D to study binding affinity. I pre-coated the chips with cysteamine to present amine groups on the surface and then use it to bind -NHS end of NHS-PEG-maleimide. The...

22 July 2014 2,407 7 View

Xrd vs DSC

To study crystallinity of materials, which method is better? When is it more accurate to use DSC or XrD?

25 May 2013 1,770 8 View

Clay activation

Which method is better to have an acid activated clay? Heating the clay in a solution of sulfuric acid or using a solution of sulfuric acid/nitric acid?

04 February 2013 1,944 5 View

How can I disperse MMT nanoparticles within carrageenan- or acrylamide-based hydrogel?

Is there any surfactant needed? My MMT nanoparticles have hydrophilic behaviour.

29 January 2013 3,945 1 View

Is there any possibility that mRNA sent from nucleus the geta lost or do not attach to ribosome?

How does mRNA find ribosome in cytoplasm?

19 January 2013 1,950 2 View

When embryonic cells start to differentiate, how do they stop?

I think they have ability to differentiate indefinitely. What is the mechanism that stops cells from growing more organs, such as lungs, kidneys and so on?

15 January 2013 9,504 1 View

Documentaries in British accent

Why are most English documentaries in a British acccent although producers/channels are American? Does it sound more scientific?

06 January 2013 3,171 9 View

Detecting Cu, Ni,Co concentration using UV/VIS.

I want to detect the concentration of Cu/Ni/Co ions in water using UV/VIS. Does any one know the wave length? do I need any detector to mix with my solution before using UV/VIS? it yes, what is...

29 December 2012 4,440 2 View

How much of Herodotus reports are credible?

Especially when it comes to explaining about other nations, namely Persians. We all know that ancient Greeks believed that they were the most advanced nation and called others ''barbar''. I mean...

24 November 2012 9,470 17 View

What is short communication paper?

From a scientific point of view, what is the value of short communication papers compared to review papers and research papers?

12 November 2012 368 68 View

What are the new catalysts used in biodiesel production?

Does anyone know about magnetic catalysts?

11 November 2012 4,517 5 View

What is the best way to prepare a nanocomposite hydrogel with uniformly dispersed nanoparticles?

What are the factors to disperse nanoparticles (eg CNT, Fe2O3, Ag so on) within the hydrogel network?

08 November 2012 7,607 13 View