What should be the TGA analysis of Polystyrene supported metal catalysts???

For a polymer supported metal catalysts, what will be the difference of their TGA analysis from PS support???

02 June 2019 4,574 5 View

How to conclude microRNA induction leading to upregulation of 3'UTR-reporter luciferase assay ?

Hello everyone, I am experiencing some weird output during my experiments which is as follows : - I am using 3'UTR-reporter luciferase assay to assess the effect of microRNA of my interest but,...

06 November 2017 6,218 1 View

How to make 4-chloro xylenol from xylenol?

09 April 2017 5,220 2 View

How to make ammonium thioglycolate 60% solution from thioglycolic acid 80% and ammonia 30% ?

19 March 2017 7,854 2 View

How to purify p-amino tert butyl benzamide ?

16 December 2016 3,643 3 View

Preparation of calcium thioglycolate?

19 April 2016 1,043 2 View

What folate receptor overexpressing aggressive cancer cell line can I use for NOD/SCID Mice?

I would like to inject NOD/SCID mice with a tumor cell line which over expresses folate receptors. I tired using HeLa cells however they don't seem to grow very well on injection. I am injecting...

02 March 2015 4,645 2 View

How can I merge Images of different magnifications?

06 October 2014 6,822 2 View

Can someone tell me how much of the cell conditioned medium will be sufficient to isolate 200 ug protein equivalent of exosomes from MDA-MB-231 cell ?

I am using gradient ultracentrifugation procedure in order to do the same. Wherein I am using sorval A-641 rotor at 32900rpm (~120,000g ) for 2 hours for final steps. I am also finding some...

01 January 1970 2,291 2 View

How to detect a ammonia gas with polyaniline thin film ?

Hi, any one give me procedure for ammonia gas sensing with polyaniline thin film by four point probe

01 January 1970 507 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

How to determine a priori sample size for t-test with unequal means?

I need to conduct a a priori sample size determinations for t-test with unequal means, but I don't know the sizes of the groups nor the ratio of both groups... Can I do a sample size determination...

24 February 2021 8,289 3 View

What are alternatives to factor analysis for a small sample?

My sample size is too small to conduct a factor analysis. I created my own psychometric scale for measuring Effectiveness of Support, which contains 38 items (4 sub-scales) Im really struggling...

23 February 2021 9,287 12 View

Missing Data in Pretest and Post test- Experimental Research design?

Hello all, I am analyzing some pretest and post-test data that were given to evaluate knowledge of targeted vocabulary before and after the intervention. Pretest and post-test are identical and...

23 February 2021 9,400 7 View

Is there any software or formula for sample size determination by using sensitivity and specificity?

I want to conduct research on the diagnostic performance of some tests. I want to calculate sample size by using the sensitivity and specificity of the test in the previous studies. So Is there...

23 February 2021 619 5 View