Atmospheric correction code in Google Earth Engine (GEE)?

I am looking for options of GEE JavaScript code to perform atmospheric correction of Landsat 7-8 and Sentinel-2 directly within the GEE Code Editor. I intend to use harmonized Landsat 7-8 and...

26 October 2020 7,047 8 View

Purification of Octapeptin C4?

I am doing synthesis of Octapeptin C4 analogues with variable tail moieties as part of my project. I have made the final compound, which is cyclized and all BOCs removed. The problem is, I can't...

16 December 2019 1,730 2 View

How to analyze a two factor RM ANOVA ?

Suppose you have (a) different groups of (m) similar subjects each. You give them all ( i.e the m xa subjects) the same treatment repeatedly for (b) days. You take daily measurements of the...

30 April 2019 8,234 4 View

How to use the values of several categorical variables to create new categories in SPSS?

I will explain my question with a simple hypothetical example. I have a dataset with nodules of the thyroid gland, containing the next three categorical variables: 1. Scan. The value is either...

03 April 2019 6,404 9 View

Help me to formulate this PhD Topic?

The effect of Integrated Soil -Water and Sanitation as an Adaptation Mechanism to Climate Change in Water-Scarce Areas . Can I find also a supervisor?

22 January 2019 3,572 9 View

What are the best references for analyzing data on Stata using statistical functions on the menus instead of typing commands?

I need to analyze data on Stata, but it's a new world for me (I've 25 years of SPSS...) All the tutorials I've found on the internet teach us to type commands on Stata to perform the analysis. I'd...

15 April 2018 5,957 6 View

How do I convert ERA Interim precipitation estimates from kg/m2/s to mm/day?

I want to compare ERA Interim precipitation estimates with ground measurements so i do not know to convert the data from kg/m2/s to mm/day. Thanks in advance Nkiaka

01 March 2016 6,337 16 View

Is there an alternative way of converting Odds Ratios to Risk Ratios without relying on prevalence of a health outcome in unexposed groups?

01 July 2014 5,635 2 View

Can a variable assume the role of a predictor as well as a confounder in the same study? If yes, why? If no, why not?

Example: IN the association between education and family planning, economic status was considered as a confounder. IN the same study, can we consider education as a confounder in the association...

14 February 2014 9,856 8 View

How do I objectively choose a statistical approach when I want to publish?

It is a common concern to hold alpha values at 0.05 and that it is completely arbitrary. I have been interested in using other methods, but I know that there may be pushback from editors to use...

09 September 2013 5,594 5 View

Best plasmid could be used as a standard curve for AAV titration?

I have been trying to have a good AAV titration for my production and I have tried different plasmids to set up as a standard curve but each one behaves differently. i am trying to use ITR for...

23 February 2021 5,167 3 View

How to dissolve querceitin in HEPES?

I am trying to do the isothermal titration calorimetry study of quercetin. I want to reach a final concentration of 5 mM quercetin in HEPES or MES buffer with

15 February 2021 2,159 3 View

Why am I getting such large heats of dilution in my Isothermal Titration Calorimetry Experiment?

I am trying to measure binding of calcium to an expressed protein we are studying and am getting very large heats of dilution for the calcium solution in my control tests. We prepared a 1 M CaCl2...

07 February 2021 7,532 1 View

How to find degree of deacetylation of chitosan colorimetrically?

I am working with low DD% chitosan. It doesn't dissolve completely in acidic solutions. How to calculate the degree of deacetylation by potentiometric and acid-base titration, UV spectroscopic...

27 January 2021 8,532 2 View

Hi all, What is the best option to quantify an aqueous mixture of NaCl, NaHCO3 and KCl, by HPLC IR or conductivity detection or Titration technique?

This is a compound mixture

12 January 2021 6,602 3 View

Why are my western blot bands are think and faint?

Hi, my western blot bands are appearing at the correct molecular weight but are very thin and faint, making it difficult to distinguish difference in expression for shrna samples. Conditions...

04 January 2021 9,204 4 View

What does this PZC data mean?

I measured different kinds of catalysts which were dispersed in DI water.I firstly added certain amount of HCl and then used NaOH to titrate and measure the pH value. What does this result mean?

27 December 2020 5,728 4 View

How to measure both Sulfites and Sulfates Ions In water?

Could you please help me to know a very simple method to measure the amount of Sulfite (SO3) and Sulfate (SO4) ions in the water? (titration preferred)

27 December 2020 9,350 4 View

The saturation point does not reach in my ITC. Does this indicate that the interaction is weak or there is no interaction?

21 December 2020 9,407 8 View

How to dissolve peptide in IxPBS?

Hello! I am working with a peptide of 19 amino acid composition. It has 7 positive charged residues (Arg + Lys) and no negative charged residues so it's obvious the peptide is basic. I tried...

16 November 2020 1,606 7 View