Why can't I run sample more than 40 mins in Agilent HPLC even after loading method for 45 mins?

Hi, I am using an Agilent 1200 series and Chemstation software. When I try to set run-time more than 40 mins (for ex. 45 mins or more than that), run-time is getting over within 40 mins even after...

26 January 2021 7,136 3 View

Are there existing studies in economic sociology that have applied Kalyan Sanyal's theoretical framework as a methodological basis?

To be precise, I am looking for studies on informal labour that have taken on board Sanyal's category of the Need Economy and his 'Politics of Exclusion' in studying the political-economy of...

26 January 2021 4,219 3 View

How do we solve optimization problems involving a maxima or minima in the objective function ?

I am trying to solve a multi-objective optimization problem using the Pyomo library in Python. The objective function includes operational optimization of an electrolyzer for hydrogen production...

11 January 2021 8,018 3 View

I have weird declining basal OCR profile while doing a seahorse XFe mitostress experiment. Any suggestions on what is wrong here?

Hi all. I am doing some tests with transfections and getting this weird basal OCR profile in mitostress tests. Could someone tell me what is wrong here??? The cells look perfectly fine in wells...

30 November 2020 688 2 View

Physical significance of Gap between optical and acosutic branches in Phonon Dispersion?

Hello Everyone, Recently I am doing some Phonon branchesbased studies. For some materials the gap between the optical and acoustic branch is small, for some it's large and for some there is no...

04 November 2020 3,987 2 View

Anyone please suggest reference and scitation tool comaptible with WPS or Libreoffice?

Hello Researchers, I mostly use WPS and Libreoffice but the problem which is face several times is addinf references and citations. Because even when we change one of the reference it doesn't get...

23 April 2020 4,962 8 View

Why low sensitivity of MTT test for determining cell viability in fish cell lines?

While performing cell viability assay using MTT in fish cell lines grown in L-15 media without CO2 at 28 degrees, I found a highly faint purple colour in control cells (after solubilising formazan...

20 March 2020 8,108 3 View

Software required for Olympus microscope. Could anyone share the same?

Hello all, We have a Olympus DP71 model camera connected to an Olympus IX71 microscope. Unfortunately, the PC connected to it crashed and we lost the CD related to this software. The camera is...

10 November 2019 8,366 1 View

Master Thesis topics?

Hello All, I would like to do my master thesis on the following topics, but I am not sure how to choose it and also that matches with current market trend and my future job opportunities. Can you...

14 April 2019 7,028 4 View

What statistical parameters could be used for estimating "altitudinal variation in orthoptera species richness and diversity"?

23 March 2019 1,144 2 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

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

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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

No title

02 March 2021 932 1 View