Hamidreza Safari

12 Questions 5 Answers 0 Followers

Questions related from Hamidreza Safari

I want to compare the difference of immune system in patient with mild and sever symptom.who should i define the case and control group?

Is it enough to compare people who needed to be hospitalized with people who did not? , or should the age and duration of the illness be considered?

27 May 2020 2,940 2 View

Why the covid-virus infection is very rare in children compare to young and adult people?

As we know the immune system in both children and adult is impaired. The question is that why the covid-virus infection is very rare in children compare to young and adult people

04 April 2020 10,060 11 View

What is difference between therapeutic and prophylactic group in research ?

I want to evaluate the therapeutic and prophylactic of a drug on RA model in rat. when i should started to administration of drug in therapeutic and prophylactic group? in some studies they...

24 March 2018 3,757 4 View

Which spleen mononuclear cells in culture plate attached to the bottom plate?

In some studies to measure cytokines in the supernatant for the culture of spleen mononuclear cells, after a while, the suspensions cells are separated from sticky cells and cultivated on a...

02 February 2018 5,081 3 View

Can anyone help with a problem with dose and prepration of Streptozotocin to induce diabetes in Wistar rats?

About 10% to 20% of the mice do not get diabetes. How can I improve the quality of work؟

02 December 2017 4,463 5 View

I kept Interleukin 17 kit at freezing temperature for 24 hours instead of being stored at 4-8 ° C. Can I use this kit or is the kit corrupted?

The EASTBIOPHARM company recommended that kit storage at 2-8C. This mouse cytokine kit frozen for 24 hours. I want to know can i use it?

29 November 2017 5,728 3 View

How about a few years away with definitive cancer treatment?

I find it interesting to know the researchers' predictions about the approximate time of definitive cancer treatment.

09 October 2017 1,222 4 View

Which one is a stronger and more suitable mitogen for the proliferation of PBMC? Concanavalin A or Phytohaemagglutinin?

Cancavaline A has been used for proliferation of PBMC. Can I use Phytohaemagglutinin instead of Concanavalin A?

29 September 2017 3,622 1 View

Is it possible that aqueous extract of a plant is effective in the treatment of a disease but is not effective in preventing it?

I did this on the Wistar mouse diabetic model, and I administered rats in the prevention group on the first day and the treatment group's mice from the fifteenth day of the disease.I would like...

04 September 2017 5,814 3 View

Can I inject an aqueous extract into an intraperitoneal to mice?

The most effective compounds of my plant are flavonoids, phenols, and tannins and I don't know which of them is better, gavage or intraperitoneal

01 September 2017 7,465 7 View

Does anyone a good LFB staining protocol for mice brain?

I want to measure brain damage in EAE mice but i dont hve any experience about that

20 November 2016 7,898 5 View

How long we can store the blood plasma or serum samples in -45C for Vitamins and and minerals tests?

I want to check the different serum levels of vitamins (D, C, B12) and minerals (zinc, selenium) in two group of study. So my question is that how long can I store the serum samples for tests in...

01 January 1970 9,664 4 View