I need dataset for recommandation system?

Hi every body I need to collect datasets from different source to work on recommendation system algorithms, could you advise me how collect data?

27 February 2021 7,063 7 View

How can I plot MODIS HDF-EOS grid images into geographic coordinates (lat-lon)?

I'm analyzing Madis products (MCD64A1), when I finish my analysis, I have a 2400X2400 matrix that I want to draw, but since the original image was in sine design, when using From imagesc, draws...

14 January 2021 6,534 2 View

Geographic location of MCD64A1 images in hdf format"?

Is the lat, lon (geographical location) extracted from the MCD64A1 images in hdf format accurate, or should they be converted to the exact location because they are sinusoidal?

31 December 2020 4,988 3 View

Data set for customer baseline load (CBL) estimation?

23 December 2020 6,739 2 View

Output of rankMANOVA in R?

Dear all, I am working on data including two responses (count data, relatively correlated~R2=0.4, non-normal distribution, and violated the homogeneity of covariance) and three independent...

26 November 2020 711 3 View

As an EFL/ESL English teacher has your professional identity changed in any way during this time of virtual teaching?

Since teacher professional identity is ever changing and not fluid, do you feel as an English teacher your identity has in any way changed due to online teaching? Are you the same person when...

14 November 2020 7,788 11 View

How has the Covid pandemic affected your classes as an English teacher? Have you been forced to switch to online teaching instead of f2f teaching?

I am interested to know how has English teachers' working conditions changed due to the pandemic and how they are coping with the new situation.

12 October 2020 1,803 1 View

What is the effect of Ascorbic acid in the synthesis of Au nanorods?

I prepared seed solution with HAuCl, CTAB, and NaBH4, after this growth solution with HAuCl4, CTAB, AgNO3, and Ascorbic acid. In the end step, I added Ascorbic acid in growth solution and solution...

17 August 2020 7,506 3 View

Is it possible to image transparent tissue using dark-field microscopy?

I was wondering whether it is possible to image transparent tissue like cornea, with dark-field imaging technology? I'd appreciate any help :)!

29 October 2019 8,301 1 View

What methods do you suggest to eliminate DNA contamination from the protein purified by dialysis?

I expressed an enzyme in DH5 with PUC vector and purified it by dialysis method. By what method and protocol can I remove DNA contamination from the protein purified?

15 September 2019 3,554 3 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

MiRNA qpcr problem?

Dear All, mirna primer showing some problem in the melting curve? any idea why? As attached is the melting curve. The forward sequence is obtained from miRBase and reverse primer is universal.

28 February 2021 5,008 4 View

Can MicroRNA cross the blood brain barrier?

In diseased conditions, many genes and gene products are visible in the bloodstream. So my question is whether we can find traces of microRNA which is involved in disease and disorder in blood serum?

24 February 2021 7,064 3 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View

How to Study a proton NMR of Graphene prepared by Electrochemical Exfoliation technique?

I performed a Proton NMR of graphene powder prepared by electrochemical exfoliation technique. It shows some peaks. But I can't understand it.

21 February 2021 8,947 3 View

Are exogenous molecules transferred between human cells during doubling ?

Hello RG community, I wonderer whether exogenous molecules (e.g. reporter plasmids, miRNAs or other artificial molecules) are transferred between cultured human cells during their doubling ? So,...

21 February 2021 6,633 3 View

How to predict the reaction pathway for electro organic synthesis?

Can anyone recommend some any software/models available that can predict substance reactivities and the reaction yield under a specific set of reaction conditions process and proposing pathways to...

17 February 2021 2,383 3 View

Has anyone encountered any problems with abm good microRNA primers for quantification of mature miRNAs?

I've been trying to quantitate mature microRNAs in 293T cells with and without 'X'. 2ug of total RNA (isolated by Trizol method) is converted to cDNA using All-in one microRNA cDNA synthesis kit...

17 February 2021 8,986 2 View

Selecting referencing electrodes for electrochemical experiment?

I have several questions, What reference electrodes is commonly used for aqueous electrochemical systems? What reference electrodes is commonly used for electrochemical systems which used...

06 February 2021 6,389 5 View

What is the best way to fix plasma derived miRNA for subsequent cDNA synthesis?

I need to quantify blood plasma derived miRNA through q-RT-PCR. For this I need to fix RNA content in my cDNA reaction. What is the best way to do this? Currently, I take readings of my plasma...

03 February 2021 9,330 3 View