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

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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

The procedure compute?

02 March 2021 5,204 3 View

How to reduce debris with neuron isolation?

Hi there, I'm isolating neurons from PND1 guinea pigs and have noticed a bit of debris in the early days (this is day 4 plated) and a lot of variability between plates. Current protocol is...

14 February 2021 3,692 4 View

How to improve NHBE adhesion after subculture?

I'm trying to subculture NHBE cells from Lonza, however, the cells seem to not adhere to the new flasks after detachment. I've followed Lonza detachment protocol (2 mL/25 cm2 of Trypsin 0.05% and...

10 February 2021 196 1 View

MS/MS protein analysis?

Hi Everyone: I want to quantify the relative amount of a protein in 2 samples. I will first digest the sample with trypsin, and subject the resulting peptides to LC-MS/MS analysis. I will then...

25 January 2021 8,333 3 View

How to select substrate concentration to determine the inhibitor behavior as competitive or non-competitive?

I already calculated the IC50 value of the inhibitor against the protease enzyme. Now I need to find this inhibitor competitive non-competitive. I decided to perform the Lineweaver Burk plot, but...

21 January 2021 8,378 3 View

FLICA assay not working?

Hi everyone, I am trying to perform the FLICA apoptosis assay with my MSCs. However, although the cells look healthy upon inspection and the viability is greater than 90% with cell counting, the...

17 January 2021 6,959 1 View

How to optimize cell suspension protocol for flow in LS-180 cell line?

Hi, I am optimizing a flow protocol for LS-180 cell line, which can not be trypsinized. First experiment wend suboptimal due to detritus and doublets Any trips or tricks for making this cell...

06 January 2021 6,117 2 View

What are these black and white spheres in T25 flask?

I just thawed my 4T1 cancer cells and 24 hours after seeding the cells in T25 flask there were large black and white spheres (approximately 1000times bigger than my cells) in my cell...

18 December 2020 3,302 3 View

Can I fix the cells after H2DCFDA assay for FACS analysis?

Hi ! I'm Yu, and planning to analyze ROS assay with H2DCFDA(Thermo) on MSCs. A lot of protocols instruct that treat H2DCFDA at specific concentration for 5~30 min, 20~30 min of recovery time...

10 December 2020 973 1 View

Best purification method for recombinant protein in BL21?

Hi I need to purify a recombinant protein (IL6 21kDa). It's been produced in E.coli BL21 with a T7 expression vector, but it does not have a tag as yet. I was thinking of adding a his-tag and...

09 December 2020 2,200 8 View

How to handle milk clotting Issues during media preparation for Screening of Halotolerant Protease Producing Bacteria (with Skim Milk)?

We want to screen halotolerant protease producing bacteria. Since Skim milk (HiMedia) is available in our lab, therefore, we want to screen extracellular protease by this compound/ supplement. We...

04 December 2020 7,657 6 View