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

Has anyone succeeded in capturing uranium atoms in a fullerene structure?

Additional questions are: What are the encapsulating atoms? How difficult was the process and what rates were achieved? What factors most seriously affect the economics?

20 February 2021 3,134 5 View

How to phrase semi-structured interview questions using IPA without biasing superordinate themes?

Hello, I am preparing a semi-structured interview schedule for an interpretative phenomenological analysis study on marginalized individuals' career experiences as impacted by COVID-19. The aim...

19 February 2021 9,099 2 View

How to perform Cox proportional hazard analysis or Kaplan-meier survival analysis in SPSS?

At first please see the attachment. This experiment was performed for a period of 7 days (n=100). After 7 days, we found different level of survival rate (%) for each treatment. Now, I want to...

15 February 2021 9,145 2 View

For acid treated montmorillonite clays what will be the result of surface area?

The organo montmorillonite nanoclays modified with octadecylamine were used for the experiment. After acid treatment, the surface area will be increase. However, in my experiment, the surface area...

10 February 2021 1,581 3 View

How to identify when a gaussian program is about terminate normally?

Dear all, I am trying to optimize a bimetallic complex using # opt=tight b3lyp/lanl2dz scf=qc geom=connectivity. The program is running for around 5 days but the size of the .chk remains same...

05 February 2021 8,721 3 View

Can I use 500ng of DNA for restriction digestion?

The recommended amount of DNA for restriction digestion is 1ug in a 50ul rx I've got around 500-600ng of DNA in a total volume of 35ul. Would I get satisfactory results with this amount of DNA for...

31 January 2021 729 6 View

What is the effectiveness of online teaching during COVID-19?

Please share your experience on the effectiveness or challenges on online teaching during Covid-19 lock down. Share your experience about challenges, technology, online learning platform,...

26 January 2021 4,532 37 View

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19 January 2021 6,848 4 View

LC-MS metabolomics data after annotation some have their compound name but no KEGG id or with KEGG id but no pathway. How to interprete?

Recently I have generated LC-MS metabolomics data. After annotation, some have their compound name but either no KEGG id or KEGG id but no pathway. How to interpret those compounds? Additionally,...

18 January 2021 1,938 3 View

Can anyone advise me about a cortisol antibody made in rabbit to set up an ELISA?

I am trying to set up a cortisol EIA using mouse anti-rabbit IGg as coating and a rabbit cortisol antibody as secondary ab. I am searching for a sensitive and specific cortisol Ab made in rabbit

20 February 2021 3,366 5 View

Which anesthetic for cortisol determination in fish?

I am a bit confused. I am planning an experiment in the field where fish will be caught by electrofishing. Afterwards, they are supposed to be euthanised by using an anaesthetic. I found...

10 February 2021 1,101 4 View

How to calculate dilution factor based on the highest OD/concentration of sample in ELISA?

I am using Elabscience sandwich ELISA kit (detection range 0.31-20ng/ml), I am using supernatant saliva samples. I am using 4 plates and plotting the standard curve for every plate. In one of the...

27 January 2021 9,759 1 View

Translating two biomarkers to the same scale??

Hello researchers, I was wondering if anyone had experience in the following: I would like to translate two separate continuous biomarkers (A and B), that are mechanistically linked to each...

25 January 2021 2,107 3 View

Which compounds might cross-react with cortisol in Elisa kit?

Hi, I'm analyzing cortisol in post smolt salmon with two elisa kits. The first is made for human saliva (Fairly cheap) and the second one for fish (three times the price). I was hoping to get...

21 January 2021 6,874 1 View

What if another author with same name as yours mention your article with his name?

" Psychosocial Issues among Breast Cancer Patients in Asian Developing Countries" is my article but another Sajid Iqbal has added it to his profile on research gate, how can we let him know his...

29 December 2020 5,736 4 View

How will DeepMind AlphaFold2 solution of the core problem of protein structure prediction from sequence impact biology and biophysics?

AF2 may most strongly impact experimental determination of protein structure by multiple methods with possible benefits and negative impacts over time. Some areas may need to quickly pivot or...

13 December 2020 6,026 5 View

Why is SV40 not considered an oncogenic virus?

Hello, SV40 is not considered an oncogenic virus in this review:Oncogenic viruses and cancer Why is SV40 not considered an oncogenic virus when it produces the large T antigen, which is...

04 December 2020 8,374 5 View

Using Circwave or JTK_cycle for qPCR data?

Hello everyone, My experiment is to assess the expression levels in cultured cells after the clock has been reset, or in mouse liver by qPCR. I have multiple timepoints and have performed...

21 November 2020 802 2 View

What is optimal buffer for saliva immunoglobulins testing with lateral flow immunoassay?

Hi to everyone! Does anybody know optimal buffer for detecting HIV-IgG with lateral flow immunoassay using saliva as a specimen type? I think that i need a buffer for LFIA becouse saliva too...

16 November 2020 1,520 3 View