06 July 2021 1 8K Report

I reverse transcribed the RNA to the cDNA. Then I stored the cDNA in -20 freezer but after several months the volume of the cDNA decreased to 0.1. What is the reason?

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Conflicted Rules Theory, would you like to read it?

I published this theory in 2018, I think it is worthy of explaining what is happening now as a result of the genocide taking place in Palestine. It presents a new concept of social construction,...

23 November 2023 526 3 View

Why Sentaurus gives this problem for GaN transistor: "Turning on fermi and thermionic (TE) should specify the keyword 'formula=1' ?

When I simulate GaN Transistor, and define the interfaces, s-device simulation fails giving the following message in the log file: "Turning on fermi and thermionic (TE) should also specify the...

14 October 2023 2,763 2 View

Is there a way to get free access to SPSS software after the free trial ends?

Hello all, I need to do a statistical analysis of the data. I used a trial version of SPSS for a month, this period has expired and I still need free access to SPSS. What are your suggestions?

14 March 2023 957 3 View

Transforming the Dataset Format from Panel Data to cross-sectional data?

I have converted a dataset from Panel Data to Cross-Sectional data to be analysed using Smart-pls 4. Do you have any referencing support the transformation of data from Panel Data to...

20 January 2023 786 2 View

Hello, I'm having an issue with ASPEN EDR, the NUMBER of error is 1212?

Hello, I'm having an issue with EDR, the NUMBER of error is 1212, and I'd appreciate it if you could assist me.

17 April 2022 4,769 0 View

Which software do you use to simulate Plasmonic modes in novel quantum structures ?

I would like to study the interaction of intense light with quantum wells and wires. I would appreciate it if you inform me which software you use.

22 March 2022 4,360 4 View

How i can interprete ANOVA info in SPSS?

Dear professionals, i run ANOVA test in SPSS and I found that three independent variables were not significant. I exclude them and re-run the test again ANOVA Test. the result are almost the...

25 October 2021 4,005 4 View

NMR interpretation of a diastereomeric compound ?

Coupled a racemic piperidine carboxaldehyde to L-Proline , a diastereomeric product was produced. Both LCMS/TLC showed a single band/ spot it's NMR didn't reflect diastereomer is this possible...

04 March 2021 9,391 2 View

How editors and reviewers evaluate the innovative idea of article ?

In peer review, Does the innovative of idea in article is besed on methodolgy , or study area, or the used dataset or all of them? How editors and reviewers evaluate the innovative idea of...

21 January 2021 1,579 11 View

Kindly suggest sources for covid 19 data over Africa ?

Kindly suggest sources for covid 19 data for all countries of Africa included different provinces if available? Thanks in advance

17 January 2021 7,061 7 View

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Can I please ask why my samples from anaerobic bioreactor giving me different size PCR product even after multiple runs?

Hi everyone, I have extracted DNA from a biogas bioreactor using Qiagen kit and prep cDNA library then used this library as template to optimize primers for qPCR (taken from papers). Some of the...

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Has anyone tried freeze flow samples in -80C freezer or liquid nitrogen before processing?

Our lab has some radioactive cell samples that need to be kept frozen for at least 30 days before flow analysis. For some reason, the samples stored in liquid nitrogen did not perform as well as...

15 July 2024 9,975 1 View

Can I use DNA a ladder for RNA samples in agarose electrophoresis? Or It is preferable to use cDNA amplified from RT-qPCR for the same samples?

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Hi all, what is the interpretation of the results of this gel electrophoresis image?

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My Cyclic voltammetry curve doesn't show cathodic peak of Cu2+ to Cu+. how to solve this problem?

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