José Avila-Peltroche

10 Questions 32 Answers 0 Followers

Questions related from José Avila-Peltroche

Any suggestions for dealing with zero data while calculating growth rate?

Hello all, I am analyzing the seaweed exports from Peru during 1995-2020. In some species, exports were zero for one or two years during the abovementioned period. For calculation of Compound...

31 May 2021 9,447 4 View

How can I correct baseline shift in an in vivo absorption spectrum?

Hi everybody!I was making a in vivo absorption spectrum from cultured filamentous brown algae and the spectrum that I have obtained is really similar with previous reports in this kind of algae....

12 July 2016 2,237 6 View

Optimization of protoplast isolation protocol using one strain of one species?

Hello everybody,I am doing a research related to protoplast isolation in one species of filamentous brown algae. Now, I m testing several parameters in order to obtain high amount protoplast. The...

30 March 2016 8,980 9 View

What kind of mixture design can I use to know the best proportions of enzymes for protoplast isolation?

Hi everybody!In my research, i m isolation protoplast from Undaria pinnatifida gametophyte using cellulase (2%) and alginate lyase (3 U/ml). I was thinking to use a mixture design in order to know...

16 February 2016 4,479 2 View

What are the best conditions to prepare Blue evans solutions?

Hello everybody,I have prepared blue evans solutions (0.5, 0.25, 0.1 and 0.01%) in sterile seawater to asses cell viability of seaweed cells. My problem is that the final solution at any...

17 November 2015 1,196 3 View

Why does gelidium become bleached in culture?

Hello everybody!I trying to maintain samples of Gelidium elengans for protoplast isolation in sterile Petri dishes containing 100 ml of PES medium at 20°C and medium light intensity (2...

07 November 2015 1,286 8 View

Can I use nominal data as a covariate?

Hi everybody, I want to determinate the asociation between change of paternity (risk factor, nominal) and the presence of pre-eclampsia (nominal) in a large sample of women. My covariate is...

08 July 2015 3,889 6 View

Is it necessary normal data to perform a Two-way Anova?

I have no normal data or data without homoscedasticity and I'm not very sure if this is suitable for a two way Anova analysis

22 December 2014 1,829 4 View

Is there a way to do a linear regression analysis with repeated measures in SPSS?

Hi everybody,I have a big doubt. As a part of my thesis, I am calculating the P and N uptake rate of microalgae using a linear regression, where the slope is the uptake rate. Briefly, in my linear...

18 December 2014 2,471 3 View