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

How can i add firm fixed effects and industry-year fixed cohort effects in r studio?

I am analyzing an unbalanced data set. I have to do propensity matching to see the treatment effect and I need to control for firm fixed effects and industry-year fixed cohort effects to allow for...

08 January 2021 1,382 5 View

Why case-controlled study is more bias prone than cohort study?

I noticed from several articles saying that case-controlled study is more bias prone than cohort study (in the context of cancer early detection using molecular marker). I spent sometime to try to...

17 November 2020 1,878 4 View

What stats is best for meta analysis on the prevalence of a disease and how to assess its heterogeneity?

Hi! Me and my team mates are currently doing a meta analysis on the prevalence of cytokine elevation and its correlation to the severity of a disease. Considering that we will be using cohort...

03 November 2020 6,867 4 View

Ideal sample size calculation for a descriptive study ?

I wish to estimate the expression of two types of markers by immunohistochemistry in the biopsy specimens of a particular type of cancer, and correlate their expressions with clinical parameters...

20 September 2020 9,662 6 View

How do I merge variables in SPSS?

I merged two datasets with different cases; one dataset has two cohorts/comparison groups and the other dataset has one cohort, the experimental group. Some of the variables are named the same and...

19 August 2020 5,150 3 View

Do I include number of participants and percentages?

Hi I am currently writing up my results section for a qualitative study which was conducted by way of interviewing 15 participants of a cohort, and 14 participants of a different cohort. I am...

17 August 2020 8,121 16 View

What statistical tests can I perform on glycomics data collected from disease cohort across 3 timepoints?

I have a dataset comprising clinical characteristics and glycomics profiles of disease samples (n=100+) and matched healthy controls. So far, I have been able to do classification modeling to...

20 July 2020 2,153 3 View

Is it sufficient that the inter-item correlation score are between .17 to .28 for 2 item-scales?

In my research, several variables consist of 2 items. For example, one is named as "screen time". the items are: 1) "On a normal weekday during term time, how many hours do you spend watching...

12 July 2020 9,802 3 View

Calculating sample size for cohort study comparing two or more groups, with HQoL score or other numerical variables as main primary outcome?

I am conducting a comparison cohort study between the hysterectomy group and non-hysterectomy group among patients with placenta accreta spectrum. The main outcome is the health-related quality of...

08 July 2020 7,167 8 View

How to plot the trends of several subgroups in the same graph produced by Joinpoint Regression Program?

I wonder if someone can advice on this. I would like to plot the trends over many years of several subgroups in the same graph produced by Joinpoint Regression Program. Currently, i can only...

18 June 2020 5,845 1 View