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

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 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

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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

Having trouble finding the eigenvectors of a complex eigenvalues of a anisotropic flexible supports?

08 November 2020 1,819 2 View

Choosing component for creating index ?

While creating a wealth index using the household asset (dichotomized ), Can we take the second principal component (comp 2) if it has more relative positive eigenvectors (For example: as shown in...

03 October 2020 1,917 2 View

What is the major meaning of PCs in Principal Component Analysis?

I am using PCA to extract major meaningful data from many different parameters that are embedded in my remote sensing satellite imagery. I know that PCA is a dimension reduction model and the...

13 September 2020 7,596 7 View

Whats the statistical relationship between opposing instrumental variables?

For the numerous use of IV regression in economics, Ii come across this question? for example, if we take Y=bX+u(1), a possible causal relationship with possible endogeneity problem, and also an...

12 September 2020 1,652 3 View

Why can't I get the same natural frequencies, which are calculated by the exported [K] and [M] matrices, compared to the ANSYS Modal analysis result?

First of all, I created a simple solid cubic structure with coarse mesh in ANSYS WB Modal modulus. With the boundary condition is set as 1 face fixed, the first 5 natural frequencies (fn) given by...

23 June 2020 9,836 13 View

Why do different methods in python, result in different values of zero??

I am using numpy in python along with the linalg package to solve for the eigenvalues and eigenvectors of a 2x2 matrix. I also did this by hand, and coded the brute-force algebra step by step to...

23 March 2020 9,411 2 View

How to find if a dataset (in machine learning) is ill-conditioned?

PCG (Preconditioned Conjugate Gradient) methods are more effective than CG (Conjugate Gradient) methods to solve optimization problems (in machine learning). So my question is how can I find that...

09 October 2019 5,729 3 View

How to find if a dataset (in machine learning) is ill-conditioned?

PCG (Preconditioned Conjugate Gradient) methods are more effective than CG (Conjugate Gradient) methods to solve optimization problems (in machine learning). So my question is how can I find that...

07 October 2019 556 3 View

How to calculate force transmissibility for engine mounts?

I am trying to calculate the natural frequencies, mode shape vectors, and force transmissibililty for the first six rigid body modes for an engine with four mounts using MATLAB. I am able to get...

02 September 2019 1,886 1 View

Looking for: what is a reliable procedure for calculating the Eigenvectors?

Hi Dears, There are some procedures for calculating the eigenvectors based on the correlation matrix such as using the Matlab software, but the results are not always accurate. Could you suggest...

07 August 2019 5,333 2 View