In PLAXIS 2D, Is it possible to make the plate element develope relative displacements with soil?

Hello, I am modelling a plane-strain footing as a plate element in PLAXIS 2D. Is it possible to visualize relative displacements between the soil and the plate? I was thinking about creating an...

14 December 2017 9,674 4 View

Are there any studies that explore the relationship between cuticle thickness and body size in species of decapod crustaceans?

This relationship is very obvious to me (think of lobsters), but hard to actually measure. I could not find any study which addresses this issue!

11 September 2017 1,995 14 View

Heat mediated antigen retrieval (using a microwave) for Olig2 immunohistochemistry staining?

11 January 2017 4,314 6 View

We are making a frozen stock, how much 20% glycerol should we add to 5ml spinned down overnight culture?

We need to grow 5ml of overnight culture according to the manufacturer. Then the protocol we have says to spin down the bacterial cells, but it doesn't mention the volume for reconstitution, is it...

30 November 2015 376 3 View

Do you know of any technique to separate chlorophylls from the plant extract?

The extracts are ethanolic and methanolic. I tried a partition with petroleum ether and hexane with very poor results. I need any faster technique than the column chromatography, The extracts are...

11 November 2015 9,531 3 View

Could anyone tell me why the protein contained in my lysate is precipitated when DNAse is added? I'm losing most of my proteins in this step.

I'm trying to isolate proteins to perform an IEF of Leishmanial proteins, so I have to eliminate all the DNA present in the lysate. The problem is that 10 min after the incubation with DNAse (20...

12 November 2012 6,434 18 View

Could anyone tell me why the protein contained in my lysate is precipitated when DNAse is added? I'm losing most of my proteins in this step.

I'm trying to isolate proteins to perform an IEF of Leishmanial proteins, so I have to eliminate all the DNA present in the lysate. The problem is that 10 min after the incubation with DNAse (20...

10 November 2012 9,539 19 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 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

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

How to find the mean, SD and CI in SPSS?

Hi, I hope that someone can help me with this task: I have 5 groups of participants which are numbered in SPSS from 1 to 5 (according to their group number) and are all under the variable group....

03 March 2021 506 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

No title

02 March 2021 3,060 3 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

The procedure compute?

02 March 2021 5,204 3 View

Does anyone know what a '.' means in SPSS?

Hi everyone! I was wondering if anyone would be so kind as to help me with regards to my data set on SPSS! I was checking for multivariate outliers via the standardised residuals ('Linear...

02 March 2021 7,910 3 View