Unable to perfiorm raster to-table join in ArcGIS?

Dear all, I am trying to replicate some results from a publication. There, one of the datasets they use is WISE30sec map (available for download here:...

18 February 2020 6,906 3 View

Is there any problem with magnetite nanoparticles to be observed in a FESEM system?

I ask this because I had a problem with a FESEM FEI SCIOS system. According to the technician he made observations of my sample TiO2/MAGNETITE. After many observations and session of my samples...

25 November 2019 3,024 4 View

Where can I get conference funding?

I have been accepted for conference presentation in Japan, but they dont cover my travel and staying expenses. Can you advise me on how to get my expenses cover?

31 July 2019 1,197 4 View

Is it statistcally valid to do regression with a time series dependent variable with independent variable from cross-sectional likert-scale data?

Choosing appropriate statistic.

07 January 2018 3,747 4 View

What are the photochemical consequences of the sulfonate groupe in Alexa Fluor dyes?

Hello everyone, i cant find a reliable source explaining the consequences of the sulfonate modifications in alexa fluor dyes. why does the modification lead to an increase in brightness? Thank you...

28 February 2017 7,950 4 View

What concentration of Rotenone and what solvent should be used to completely dissolve the drug when studying its effect on cancer cells?

Different drugs and different conditions have been tried on two cancerous cell lines named A549(epithelial) and U2OS(osteosarcoma). However, when using Rotenone initially diluted in DMSO but then...

02 January 2014 3,927 8 View

How to use Ellman's reagent?

I am trying to work with calibration curve to find the cysteine residues on GFP

24 August 2012 2,951 2 View

No title

Does anyone have the experience of using Taq Man probes in the QIAGEN Rotar- Gene qPCR machine?

01 March 2021 5,311 1 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration forms?

Warm greetings! My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology focusing on Human papillomavirus). At this stage, I have almost completed a clinical sample (Cervical swabs)...

25 February 2021 3,612 3 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

QPCR troubleshooting - what could cause an increasing ROX signal?

Hi everyone, I'm looking for some help troubleshooting a recent qPCR issue I've encountered. I am using fluorescent Taqman probes and a qPCR master mix that includes ROX as a passive reference....

08 February 2021 419 3 View

What is the cause of a smear from direct DNA amplification from human buccal swab samples ?

Dear fellow scientists, I like to performed a direct amplification of a fragment of 222-bp DNA from human genome and use is for further analysis. By using the following methods, I obtained...

07 February 2021 891 3 View

Is it strictly recommended to run samples in duplicate during SNP genotyping analysis?

02 February 2021 8,877 3 View

Help needed: How to map AA, AG, and GG genotypes on to polymorphism information?

Dear Colleagues, I am new to genes and genotyping and I need help. I am trying to figure our how AA, AG, and GG genotypes map on to A1 for DRD2/ANKK1 Taq1A polymorphism(rs1800497) and Val or MET...

02 February 2021 3,861 3 View

Using the Taqman PCR, how does one know which allele is being determined by VIC / FAM?

I am exploring a number of SNPs, unfortunately although the test are ok, I am perplexed because my preliminary results are nearly all against what is reported in the literature. To confirm my...

29 January 2021 3,905 2 View

How to remove colour from DNA pellet during DNA extraction?

I am working with Amaranth accessions which are green to red in color and contain high phenolic compounds. Using the CTAB method with the slight modification I am trying to get high-quality DNA so...

18 January 2021 3,578 1 View