Ricardo Ramos

10 Questions 8 Answers 0 Followers

Questions related from Ricardo Ramos

How to prepare 5 mL of a mixture of MeOH/DMSO/H2O (40:40:20, v/v/v)containing 0.1% HCl. ?

Hi, I have a doubt about this preparation: 5 mL of a mixture of MeOH/DMSO/H2O (40:40:20, v/v/v) containing 0.1% HCl. the 0.1% HCL is taking into account that all the volume (5 mL) is acidified...

05 May 2019 1,996 3 View

How to convert 1.06mM to mM/mg?

hi I'd like to know how to convert 1.06mM to mM/mg of sample. I've weighed 100 mg of sample and I diluted in 1 milliliter of water. the molecular weight of the acid (sample) is 116.16g/mol thanks

05 May 2019 3,192 2 View

Could anyone help me, which is the better pH to preserve ellagic acid?

Hi, could anyone help me please, I was reading an article where it an extraction of ellagic acid of a fruit and they change the pH of ellagic acid to 2.5 but I don´t know why is better to have...

11 November 2018 7,620 3 View

Which statistical test is suitable for comparing concentration of ellagic acid over time?

Hi could someone help me to know what statistical test to use for comparing concentration of ellagic acid over time, I did three measurements of ellagic acid for each time (5hours, 10h, 15h, 20h)...

10 October 2018 4,379 5 View

How can I do TLC if I a have my sample with DMSO and they have a pH of 2.5?

please could someone help me? I'm having problems to run my TLC and I think the problem is the dmso that I have in my sample, I have also a pH of 2.5 in it and I don´t know if the pH affects...

09 September 2018 8,499 3 View

Can I use both methanol and dmso together to do dpph assay?

Hi could someone help me, I want to do DPPH assay but my samples are in methanol and dmso and I don't know if the samples and stock solution of dpph should be prepared in the same solvent because...

09 September 2018 1,136 2 View

Sorry someone knows how many times do I have to measure glucose, triglycerides and cholesterol in mice to have good results?

thanks for your advice

07 July 2018 3,636 2 View

Someone knows a protocol to extract MUC2 of mice to make western blot?

I need to extract munc2 of mice (c57bl/6j) and I'm looking for a method to extract them, thanks

06 June 2018 3,994 1 View

How to know the appropiate age of a mouse for an experiment?

I want to use mice with normal weight

06 June 2018 1,397 2 View

What is the difference between measuring ghrelin in plasma than tissue?

I don't know the difference between both or which one is better

06 June 2018 10,024 0 View