How to prevent the precipitation of nickel oxalate in solution so that there is dopagen?

15 July 2018 2,309 2 View

How to propagate & concentrate the prophage after induction with mitomycin C?

12 February 2017 4,966 4 View

Increase in Papp with concentration?

01 June 2016 3,462 3 View

Why after derivatized are the beta-blocker peaks eluting at the same retention time on GC? Does anyone have an explanation?

solutes: atenolol, propranolol and metoprolol derivatizing reagent: hexamethyldisilazane (HMDS) stationary phase; poly(5%phenyl+95%dimethylsiloxane) Detector: FID

14 August 2013 7,298 3 View

How to remove CHAPS from my sample?

I'm currently analysing proteins from S.cerevisiae, and while analysing it by ESI and MALDI the CHAPS peak keeps appearing. I already cleaned the samples with Chlorophorm/MetOH protocol. Is there...

17 October 2012 983 8 View

Is there any impact of salinity change in oceans on global climate or circulation ?

It is believes that 70% of the earth is comprised of oceans and hence they have a bigger impact on global earth's climate than land. Ocean's density is mainly governed by 2 main parameters...

01 January 1970 6,785 11 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View