Alberta Kovatcheva

8 Questions 3 Answers 0 Followers

Questions related from Alberta Kovatcheva

What are the advantages and disadvantages of the various types of microfluidic droplet generators for cell encapsulation applications?

Anyone who has an answer, I will be so appreciative and I will recommend you.

30 August 2018 4,774 1 View

What is the difference in composition between HEPES-buffered saline (HBS), Hanks Balanced Salt Solution (HBSS), and Phosphate Buffered Saline (PBS)?

Any insight is greatly appreciated. I am not sure if HBS and HBSS are the same.

22 August 2018 2,917 5 View

What are some methods to cure commercial-grade Polydimethylsiloxane (PDMS)?

I understand there are multiple methods to accomplish this but I would greatly appreciate some insight as to how it is currently done. Thanks so much ahead of time.

26 May 2018 4,061 8 View

What is the greatest frequency at which a human body (chest tissues?) can move?

The context of this question: I am performing rheological characterization of sodium alginate hydrogels with varying concentrations of calcium chloride for tissue engineering purposes. I conduct a...

24 May 2018 3,511 2 View

What is the process for encapsulating stem cells in sodium alginate hydrogels (synthesized with calcium chloride)?

Any help is greatly appreciated. I want to learn about this particular aspect of the tissue engineering process.

21 May 2018 6,224 5 View

How do I compute complex modulus given storage and loss moduli, as well as the loss tangent and angular frequency?

Given these rheological parameters: Angular Frequency Storage Modulus Loss Modulus Loss tangent

25 April 2018 9,104 2 View

What is the best method to preserve sodium-alginate hydrogel: Regular water with electrolytes, physiological solution, or Phosphate-Buffered Saline?

Any help is greatly appreciated. Thanks ahead of time.

01 April 2018 9,467 5 View

Why does this Alginate Hydrogel seem to undergo an increase in complex modulus and a decrease in complex viscosity with respect to load frequency?

I believe that this graph shows that the gel sample undergoes a decrease in its elasticity at greater angular frequencies because it undergoes an increase in complex shear strain with increasingly...

09 February 2018 7,951 3 View