Can Vibrio campbellii bioluminescence be obtained when cultured on Mueller-Hinton agar?

Need to check quorum sensing activity of Vibrio campbellii.

20 January 2021 570 5 View

How can I identify the points that are poking out from a point cloud plot?

I have a cloud plot of data relating two important variables for an ecological analysis. I was defining the "abnormal class" as the data points that are >=20 for the Y-axis and >=20 for the...

22 September 2020 7,679 16 View

Why is the pressure slowly increasing when using a Hiplex Ca column?

We recently installed a Hiplex Ca Duo Column from agilent for carbohydrate determination. It was working fine until a week ago, when the pressure of the column started to increase very slowly. As...

03 September 2020 1,733 2 View

Is this an acceptable method for determining the minimum inhibitory concentration of plant extract using macrobroth dilution technique?

17 August 2020 3,695 27 View

Why do 293T cells starts dying after lentiviral transfection?

I have a lentiviral transfection protocol on 293T cells that has been working for years, but for the past few months, my 293T cells starts de-attaching from the plate. I finally figured out it was...

16 August 2020 6,647 3 View

Is this formula correct for measuring growth inhibitory indices for synergy index?

GIIs= ZDI in combination / total of ZDIs of the two agents in single action in order to corroborate the synergistic activity of the antibiotic in combination with the plant extracts, and synergy...

23 May 2020 9,095 5 View

How do I detect primer dimers in an electrophoresis gel? and how to avoid them in a PCR reaction?

Hello! I am investigating plant-pollinator interactions by means of metabarcoding of pollen loads. The approach we want to use is dual-indexing in a two step PCR process. We are using four...

04 May 2020 7,455 6 View

What is the optimum time for agar pre-diffusion of plant extract in disk diffusion method?

27 April 2020 8,665 26 View

Is this a good method for plant extraction for antimicrobial activity?

25 April 2020 9,907 35 View

All-against-all pairwise global alignments?

Hi all, I have a collection of nucleotide sequences corresponding to one functional domain of a hallmark gene of viruses. So in principle I am working with relatively-homogeneous functional...

28 March 2020 8,869 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 normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

How can I set up a good fit SEM model in AMOS?

I am trying to make an SEM model in AMOS for my dissertation but having some trouble with getting a good fit. I am looking for relationships between self-efficacy reported on a Likert scale and...

26 February 2021 8,642 4 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View