How to make Fast Green FCF from powder?

Hi everyone We need Fast Green to electroporate plasmid into mice embryos, therefore we simply need it to see some color in the liquid we are electroporating so that electroporation is more...

07 February 2021 1,671 2 View

Is there an open source tool the measures the GRAVY index of a peptide incorporating the PTMs and unusual amino acids (e.g. hydroxyproline)?

Right now, I am using ProtParam to compute GRAVY index of peptides. However, some of my peptides are post-translationally modified, and contains unusual amino acids. I assume that ProtParam does...

29 January 2021 8,300 4 View

Why green band returns more inliers than NIR band during image registration?

Hello I'm using image registration over the bands of the micasense red-edge camera. Using RedEdge band as the fixed image. After removing inliers I can notice that inliers of the NIR band are...

13 January 2021 3,980 2 View

How long does the peptide cleavage cocktail last before it gets expired?

The cleavage cocktail is composed of Phenol/thioanisole/water/TFA/triisopropylsilane. I only prepare 10 mL cocktail per peptide but can the activity of the cocktail prepared at 100 mL last for a week?

10 January 2021 7,424 3 View

Could you recommend an inexpensive camera for a prototype DIC system?

I was thinking of choosing Raspberry pi HQ 12MP. and what software do you recommend. I am working on a measurement system for a plate with an area of approx. 500x500 mm2

30 December 2020 3,064 2 View

How can I calculate parameters of pseudo-second model for adsorption processes?

07 December 2020 3,541 9 View

Is there an interpretation for Lineweaver-Burk plot which linear regression lines intersect themselves on quadrant I?

Lineweaver-Burk replots for enzyme inhibition prints regression lines intersecting themselves on quadrant I. The interpretations for competitive, noncompetitive, or uncompetitive inhibition does...

24 November 2020 7,753 3 View

Problem executing MrBayes. Help?

Hi, I'm trying to run MrBayes 3.2.7 with a matrix of 37 species and 20561 nucleotides. I consistently receive the following error: MrBayes > Execute...

18 November 2020 3,867 3 View

Which commercial DNAse do you recommend me?

Which is the best DNAse (or DNAse kit) you have worked with? I am looking for a good DNAse that can remove DNA from an RNA sample in one pass. Material would be used for future RT-qPCR analysis....

18 November 2020 8,769 3 View

Is there same kind of limit when annealing two DNA products?

Hi there I'm planning on annealing two PCR products to perform some mutagenesis in a plasmid. I was recommended to try and keep it to 600pb each, for example, but for one of the plasmids there...

15 November 2020 8,656 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 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

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

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

No title

Hi, I have several doubts about one paper (Systematic Literature Review) that was rejected. The main topic is Single-Board Computers in engineering education during the period 2010-2020. The...

01 March 2021 9,015 3 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View