Inconsistent results after plasmid re-purification from frozen stock?

Hello everyone, I am performing reporter gene assays on some uORF mutants vs my WT 5' UTR of my gene of interest. I am doing double transfection on HEK293T cells, using Nanoluc as a test reporter...

22 November 2020 2,746 5 View

Forest plots of meta-analysis with odds ratio?

I have found 5 included studies for my meta-analysis with binary outcome. Two of them present the results as n/N (n: events; N: non_events patients), while the other 3 three as OR (95% CI). Is...

09 April 2020 9,315 7 View

Which wearable (e.g. smartwatch) should I use to get real-time fatigue/sleepiness scores?

I want to measure fatigue/sleepiness while driving with a wearable that provides a fatigue/sleepiness score to the drivers in real-time. Therefore, I cannot use devices that collect data that...

15 March 2020 3,527 4 View

Can I simulate IoT device activity using Honeypots or any other Tool?

Hello, I need to compare two different states of performance for IoT devices. State 1: Under Attack State 2: No any kind of attack. I can easily use honeypots to simulate the incoming traffic...

06 March 2020 6,947 3 View

DGGE bands enhancement?

My project concerns analysis of the microbial community of sediments from aquaculture systems in concrete tanks supplied with fresh sea water. We followed a molecular approach through PCR cloning...

25 July 2018 943 2 View

Anyone know how to do GC peak separation?

10 December 2014 7,644 26 View

How has technology impacted the factors of the instructional process, e.g. in the 'Berlin Model' & its phases, e.g. in the 'ADDIE Model'?

23 August 2014 1,029 4 View

What is your experience/opinion/reference regarding code-switching in education?

01 August 2014 4,809 59 View

Rehydration buffer for 2D samples.

I am using the following rehydration buffer for my 2D samples. Do you think any of the components may be altered/ become unstable after long period of storage at -20oC and thus affect the...

05 December 2012 9,738 6 View

Is it possible to freeze an antibody mix?

Is it possible to freeze a primary and secondary (Jackson ImmunoResearch) antibody mix several times and reuse it? Will the antibodies still retain their same affinity after a long period of time?...

15 October 2012 4,955 17 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Can water be extracted from Olivine?

I have always been interested in geology and wondered about how unique structures of materials behave in different circumstances. I stumbled upon Olivine, the magnesium iron silicate, and heard...

28 February 2021 7,330 4 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

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View

How much cell pressure and back pressure should I apply to start for triaxial test for different types of soil?

We have recently purchased a triaxial test instrument (MATEST) for testing different types of soil. After installing software, we are facing a issue of saturation where the samples does not...

23 February 2021 7,194 4 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View

How do I collect online measures in a same-different task?

The same-different task requires to subjects to indicate whether a pair of stimuli seen or heard are the same (say AA or BB) or different (say AB or BA). Researchers often collect offline measures...

20 February 2021 9,226 2 View

How can we assess applied digital skills and soft skills through online examinations during COVID-19 semester?

The final qualification assessment for major programs is a strict regimen that involves different stages - oral and written exams, final project viva, internal and external review. How are ICT...

16 February 2021 1,762 8 View

How to compare different models with different inputs and data length?

I want to run 5 different models to estimate stream flow. In order to optimize the characteristics of these models I use Taguchi method. So I have to run different models according to the Taguchi...

11 February 2021 7,986 6 View

How do you obtain ASI (Annual Survey of Industries) plant identifiers, to create a panel data?

Dear all, Is there anybody who has worked with ASI (Annual Survey of Industries) Firm-Level data? I have extracted the data files with STATA, and now I need help with creating a panel for...

11 February 2021 876 4 View