Paroma Arefin

14 Questions 33 Answers 0 Followers

Questions related from Paroma Arefin

How to condition a new C18 column?

How to condition a new C18 column? What are the prerequisites and cautions? What are the solvent concentrations you suggest?

22 February 2022 3,622 3 View

What is the reason of such solvent peaks and noise?

What is the reason of such solvent peaks and noise? Are they indication of any peak? Can these peaks be taken or considered? If not, what can be done?

17 February 2022 7,211 2 View

What is the sequence of doing CFA, EFA and SEM? Why they are done?

Can you please help me with some information? I am only in the primary stage of learning EFA, CFA and SEM. Can you please tell me what should be the sequence of performing these? I have survey...

03 November 2021 8,006 9 View

What is the importance of nanoparticles in the treatment approaches of corona?

I have studies some papers on the use of nanoparticles for treatment of corona. Can you please explain the utility of using this?

10 August 2020 3,715 8 View

What is the best method for preservation of natural dyes? What is the best solvent for the longevity of natural dye?

Preservation of natural food color

10 August 2020 8,069 1 View

Can you please suggest some papers on medicinal properties of bromelin from pineapples?

Characteristics of bromelin

24 March 2020 9,542 4 View

What is the difference in medicinal properties and characteristics of stem bromelin and fruit bromelin in pineapples?

Difference between stem bromelin and fruit bromelin of pineapples.

24 March 2020 7,264 3 View

Is it possible to use data of my own published paper for a new paper to compare statistical correlation?

I published a paper based on some data like microsphere preparation with a polymer. In a different paper, I used data on a different polymer. Now I want to use polymer combination and find some...

29 August 2019 7,519 53 View

What is the proper method to determine the pH of a facial cleanser or face wash?

What is the proper method to determine the pH of a facial cleanser or face wash? I would like to study the pH of marketed available face washes. I want to know whether it is possible to direct...

12 August 2019 9,901 3 View

What are the major food safety challenges in developing countries?

What are the common food safety challenges in prevailing food products in the market of developing countries?

10 August 2019 8,205 16 View

For microsphere formation, should we check polymer polymer compatibility?

For microsphere formation, we often check drug and polymer compatibility. For using combination of polymer in a microsphere formulation, is there any requirement to check polymer polymer...

07 August 2019 4,069 5 View

What are the common adulterants used in spices?

What are the adulterants used in different spices like turmeric, chilli powder, coriander powder, cumin powder, black pepper, cinnamon powder etc? I am looking for categorized answers. Looking...

06 August 2019 7,791 20 View

Can anyone suggest cosmeceutical journal with atleast an average impact factor that publishes articles for free?

Please suggest cosmeceutical journal with atleast an average impact factor that publishes article free of cost

01 January 1970 9,923 5 View

What could be the cause of frequent falls?

Some people are supposed to fall frequently. What might be the reason?

01 January 1970 9,590 37 View