How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 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

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

No title

03 March 2021 5,360 2 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 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

The procedure compute?

02 March 2021 5,204 3 View

Person-Codes for questionnaires in longitudinal studies: Is there an easy solution for better matching-rates?

Hi, I have a problem regarding matching of longitudinal data in my field of research (university students). We have a Person-Code for matching data measured in different time points, but 30%+ of...

17 February 2021 3,075 4 View

How do I calculate a trend with 3 time points and 3 different groups with a small sample size in a longitudinal study?

Dear colleagues, I am working on an intervention study with 3 different groups of students. One group represents the intervention group and consists of a seminar with a practical phase and...

24 January 2021 8,051 4 View

GLMM in SPSS?

30 November 2020 2,716 4 View

In SPSS, how to select cases if variable has x but not y?

Hi all, I have an SPSS longitudinal database in which one of the variables is monthnumber. The month ranges from 0 (baseline) through all of the months they were involved and then 51 for last...

30 November 2020 490 4 View

Linear Mixed Models for repeated measures - how can I restructure my data set when some variables are only collected at baseline?

Hello, I plan to perform a linear mixed model analysis to look at change in cognitive function over 5 follow up waves. I am interested in looking at how this change is influenced by dietary and...

27 November 2020 5,087 3 View

What is the suitable tamping method for ladder-sleeper ballasted tracks?

Since the ladder sleeper consists of two longitudinal beams along the railway track, a conventional tamping machine is not applicable for ladder tracks.

26 November 2020 3,172 1 View

What is the best way of forming composite cognitive domain scores for longitudinal studies?

In longitudinal studies examining change in cognition over time, commonly outcome measures are composite scores formed by combining a number of individual mental tests. Typical examples are...

27 October 2020 7,109 2 View

Structure equation modelling in longitudinal data ?

Good evening, I am intending to analyze longitudinal data to find out the correlation and impact of the various variables on a single outcome variable. Could you please suggest the right strategy...

31 August 2020 2,605 6 View

Why we got instability results when simulating elastic waves (Lamb waves) at high frequency using Abaqus?

Hi, I am trying to model Lamb waves propagation in an Aluminum plate using Abaqus. If I choose the frequency of 5-cycle Hanning excitation source is 0.2 MHz (to make sure that only 2 modes S0 and...

18 August 2020 7,022 8 View

Can I measure the stability (changes over time) with Panel Data ?

Hi all, I hope you are doing well. Currently, I am working on my university project and my topic is Stability of Risk Preferences. I am planning to use the available longitudinal dataset to...

16 August 2020 172 6 View