Is there some sort of classification of simple algebras with color involution?

If $A$ is a G-graded algebra then one can define on it a color involution, i.e. a bijective linear map preserving the grading such that the image of a product of two homogeneous elements is...

24 September 2020 5,416 3 View

Electrochemistry in Organic chemistry, Book article review?

Hello, I'm starting a new project that involve the use of Electrochemistry in organic synthesis. For this reason i'm searching for a book to have an introduction on the topic as also some review...

30 November 2019 3,789 4 View

How do I measure / evaluate / report about the learning effect of repeated time measurements?

I conducted an experiment with 80 subjects, each of them performing 50 trials. I measured the time (in seconds) needed to accomplish each trial. Trial-after-trial, every subject has the tendency...

11 December 2016 9,145 6 View

Issue with protein overexpression?

Hi, I am using a lentiviral vector to over express a protein in AML cells. I have cloned the flag-gene into the EIFalfa-MCS-SV40 vector. When I use this vector to simply transfect 293 cells, I can...

06 October 2016 903 3 View

ChIP-qPCR: same volume or same DNA concentration?

21 September 2016 4,154 4 View

How many votes are needed in a study based on Paired Comparison?

I am running a study involving N=100 items that subjects will compare, side-by-side, and declare the preferred one. This process is known as Paired (or Pairwise)...

14 July 2016 8,120 3 View

Chip-seq. IgG and IPs have the same DNA concentration?

Hello, I'm doing a Chip-seq experiment and I've noticed that after DNA extraction I have the same amount of DNA in my negative control (IgG) and in the IPs? Do you think it's still worth it to...

27 February 2016 8,127 6 View

How to assess the sexual maturation in wild long-lived birds when ageing is not possible??

Cloacal or blood sampling? What kind of biomarker (testosterone, sperm, other hormones...) ?

24 March 2015 893 6 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

How do I increase the yield of my PCR product?

Hello, We would like to increase the yield of our PCR product. We are running a series of PCR reactions that is targeting ~1.1kb sequence. We begin each reaction with ~400pg of template DNA...

02 March 2021 4,029 3 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

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 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

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View