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

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

Has there been any scholarly research done in schools that addresses teaching from a global citizenship perspective to deal with global problems?

The current global pandemic, the climate crisis, the destruction of the oceans (with plastics, etc), and massive numbers of refugees are part of a set of serious global problems. It is clear...

13 January 2021 2,022 3 View

How to remove a citation from list of research articles?

I want to remove a duplicate citation

01 January 2021 3,983 3 View

No executable file generates while building geant4 example code, where is the problem?

Hello, I am a newbie in geant4. I'm learning it playing with example. Sometimes, when I go to simulate an example code, it doesn't create an executable file (the green one in my ubuntu terminal)....

26 December 2020 9,482 3 View

How to get structure and topology for glycosaminoglycan (GAG) of arbitrary length?

Hello all, I want to do glycosaminoglycan (GAG) simulation in Gromacs. Initial structure and CHARMM topology for short chains can be obtained from Charmm GUI glycan modeler. But I have to take...

23 December 2020 6,092 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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

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02 March 2021 932 1 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View