Do you have information about the available free program for determining the area of leaves using a photo or image scanner?

More Irina Ivanko's questions See All

How to remove unedited version of the manuscripts from research gate?

Our manuscript was published ahead of print. The edited and revised version is now available. How do I remove the old version of the manuscript from the research gate?

01 February 2021 5,965 1 View

What causes up shift of protein band in Western Blot?

Hello, I am working on a recombinant protein expressed in the form of inclusion bodies for my bachelor thesis. After solubilization and refolding I performed an SDS-PAGE and to confirm the...

21 October 2020 5,311 8 View

How to prevent false negative FISH results?

I am analyzing data from a FISH experiment and notice that there are false negatives. What is the best option to change in the experimental set up to avoid this from happening?

04 October 2020 5,777 1 View

Can you suggest an academic platform (in addition to RG and Academia) where PhD students can share drafts of their papers for feedback?

I am looking for a platform where PhD students would feel comfortable to share their papers at a very early stage of research and could receive a helpful feedback.

05 August 2020 4,713 3 View

Difficulty in interpreting data processed with two-way ANOVA?

I have a two-factor experiment. We investigated the effect of the drug on the level of erythrocytes after surgery. One of the factors is the presence of the operation, the second is the presence...

22 July 2020 7,687 5 View

Please, help. Should one or two-way ANOVA be used in case of determining the drug effect of the drug against the background of the model operation?

We studied the effect of a biological supplement on biochemical and hematological parameters rabbits with and without model operation. I have 4 group of rabbits (n=8) and 3 time points (before...

15 May 2020 5,846 17 View

Does anyone know of a free biology software NOT SUBJECT TO COPYRIGHT for publishing papers?

24 February 2020 7,748 3 View

How to analyse measurements from 3 different conditions?

I have cytokine measurements from 3 different conditions: What is the best way of comparing the differences between the conditions ? Many thanks Irina

20 February 2020 5,750 3 View

Possible problems with eNOS intracellular staining in circulating endothelial cells?

I am trying to set up a protocol to study circulating endothelial cells by flow cytometry. First approach was to identify CD45-CD146+ population and analyze expression of cell adhesion molecules...

28 January 2020 9,190 3 View

What PCR kit to use with degenerate primers?

I have to perform a PCR reaction with degenerate inosine containing primers, for virus typing purposes. I have the primers and protocol aviable for degenerate conditions. But in the manuel of PCR...

23 August 2019 9,088 3 View

How do you write a simplified C block code of this average-current control on PSIM?

This is a Buck (step-down) Converter and I am new to this program. I need to program with simplified C block and I actually don't know what to do. Can anyone show me how to do this? Or at least...

02 March 2021 8,233 1 View

SDS page software for analysis?

I did sds page to determine the difference in protein expression between 3 types of vaccine , but i don't have scanner or densitometer available. . so i wonder if there is a software to analyze...

02 March 2021 6,270 3 View

Do you know good and user-friendly programs to measure plant quantitative traits?

For my research i will need to measure plant quantitative traits (especially leaves area and roots length, but would be nice to add some more information). I recently discovered...

01 March 2021 5,035 2 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Can anyone help me with the administration of the "Mind the Gap" Scale for satisfaction with transition to adult care?

We are working on a study focused on adolescents' transition to adult care and are looking for a validated measure for satisfaction with the transition. So far the only measure that we have came...

28 February 2021 2,338 1 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

Which are the journals for free paper publication?

A bunch of flower for everybody. I would like to ask about the list of journals which we can publish our paper for free. Thanks in advance. Sincerely Walid

25 February 2021 9,790 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

Is it possible to set a breakpoint at a specific DYNAMIC instruction using the GNU Debugger (GDB)?

Using GDB, it is straightforward to debug and monitor a target program by setting a break-point at a specific instruction, since the instruction addresses are known. However, we have two...

24 February 2021 1,598 2 View

André Arsenault Popular answer

Image J should work and it is free. We use it for arboreal lichens.

Irina Ivanko

Thank you very much. I downloaded the program. This program is also needed. But I need to calculate the surface area of the leaves of a low shrub. I can’t take a picture from below.

Thank! You helped me a lot! I will try different methods. Thanks in addition for the articles. Irina

André Arsenault

Mark D. Thompson

Image J offers a simple GUI, but you can also do this using r-stats packages, such as pavo 2, which does color and other types of analytical functions for digital photo analysis.Article pavo 2: new tools for the spectral and spatial analysis of colour in R