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Hi, I have several doubts about one paper (Systematic Literature Review) that was rejected. The main topic is Single-Board Computers in engineering education during the period 2010-2020. The...

01 March 2021 9,015 3 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

How to make Fast Green FCF from powder?

Hi everyone We need Fast Green to electroporate plasmid into mice embryos, therefore we simply need it to see some color in the liquid we are electroporating so that electroporation is more...

07 February 2021 1,671 2 View

How do you prepare a standard dilution for qPCR?

I am very new to quantitative PCR and need some help for this technique. For my experiment, I need to perform a quantitative reverse transcription PCR. I extract the RNA from my pellet and...

05 February 2021 9,834 4 View

How to test the equality of two proportions with multiple samplings?

02 February 2021 9,574 5 View

What data analysis is applicable if my study will employ a Likert scale to establish association between certain factors and an ordinal variable?

My study aims to find what factors that lead to nurse stress are most significantly associated with nurse absenteeism. So the questionnaire will ask about these factors through a Likert scale...

17 January 2021 7,388 8 View

Why green band returns more inliers than NIR band during image registration?

Hello I'm using image registration over the bands of the micasense red-edge camera. Using RedEdge band as the fixed image. After removing inliers I can notice that inliers of the NIR band are...

13 January 2021 3,980 2 View

Requesting protocols (96 well plate) for superoxide radical scavenging activity and hydroxyl radical scavenging activity?

Hello everyone, I am currently working on the natural colour pigment, betalains. I am looking for 96- well plate adopted assay protocols for measuring superoxide and hydroxyl radical scavenging...

03 January 2021 2,414 2 View

Any good reference that links economic/industrial policy to changed agent behavior?

Usually industrial policy is interpreted as changing economic structure from in favor of more productive/advanced economic activities. But would like to read something that discusses the...

31 December 2020 3,199 3 View

How to simulate the magnetohydrodynamics (MHD) phenomena in COMSOL? What is the best way to learn how to use COMSOL?

I would like to simulate the Lorentz Force resulting from the magnetohydrodynamics (MHD) phenomenon in an ionic solution.

19 December 2020 8,278 9 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 View

Runs of nucleotides in Sanger sequencing?

I performed site directed mutagenesis, transformation, and then I sent out plasmids for Sanger sequencing and found out that there is extension of DNA just before the stop codon. I am not sure...

27 February 2021 547 3 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View

Errors in DNA sequences?

I am trying to better understand the scope of DNA replication and sequencing errors, e.g. 1. I have seen similar error rates of 10e4 to 10e5 for cell & instrumental DNA replication,...

24 February 2021 4,397 3 View

I can detect my protein but the encoding DNA sequence has stop codons within. Should I ignore the stop codons?

I constructed a synthetic DNA library (scFv, VH-VL orientation) with a 3' reporter and 8x histag. I cloned and expressed this gene following which I performed an ELISA. The ELISA results suggested...

19 February 2021 7,006 5 View

What is the significance of (isolated) high titers of IgG anti GD1a antibodies in an older patient with polyneuropathy?

Remote history of Campylobacter infection with reactive arthritis, and Spitz nevus (UMP). Arthropod exposure in Zika/ChikV endemic area prior to emergence of length dependent, sensory PN with...

18 February 2021 8,719 1 View

Repository for capture-seq raw reads?

I am a research tech in a wildlife genetics group and my PI and I are trying to figure out how/where to put raw reads in a repository. We have capture-seq NGS from Rapid Genomics. The post-doc who...

17 February 2021 7,575 2 View

Unable to detect a truncated protein variant, but I can observe a truncated cDNA from Sanger?

Hi, so basically... I am trying to mimic a clinically observed condition wherein a frame-shift mutation happens only at one allele of the patients, giving rise to a truncated variant which evades...

17 February 2021 1,130 6 View

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17 February 2021 4,217 3 View