AAS dried plant samples digestion protocols?

I am looking for alternative sample digestion protocols for dried herbs to be analyzed with AAS for presence of Pb, As and Cd. So far I have attempted acid digestion over hot plate (HNO3 and aqua...

28 December 2020 7,765 5 View

How to draw ROC curve for the correlated parameters?

Dear Fellow Researchers, We want to access the prediction accuracy for various parameters. We were able to draw ROC curves for each of the parameter separately using SPSS. Now, we want to see a...

21 October 2020 4,994 3 View

How can I analyze qPCR data without control sample/calibrator?

I would like to compare expression of my gene of interest (GOI) in non-treated leaves, stems, roots of my plant. In that case I don't have any control sample here and it's not possible to have...

09 August 2020 3,998 3 View

Is it possible that dicot plant could rearrange or excise from his genome transfected DNA fragment?

I have transfected Salvia milthiorrhiza plant using Agrobacterium tumefaciens cells carrying binary plasmid. At the level of Agrobacterium I confirmed presence of my binary vector by obtaining...

26 June 2020 8,763 15 View

Where can I find suppliers of rare dyes?

I have trouble finding certain dyes for my research (mostly acid dyes). I have approached producers of textile dyes from various countries, but the C.I. I am looking for are extremely hard to...

26 March 2020 5,648 6 View

MatLab -curve fitting?

Dear All, Could anyone help me please? I want to estimate the contribution of each curve (EA) to best fit the M curve (the bold one). Best regards Malgorzata

24 March 2020 8,316 5 View

Training and the environment?

Hi, I am looking for current research on training in high polluted air conditions and environment (running, cycling, rowing ...) Effects in plus and in minus (short- and long term). Can anyone...

02 January 2020 3,916 2 View

Any anti-HLA-B38/B39-specific antibodies?

Dear Fellow Researcher, I am working on HLA-B*38 and HLA-B*39 molecules and looking for the antibodies that can recognize these two MHC class I alleles. I do have W6/32 and HC10 antibodies that...

02 December 2019 6,693 1 View

How to evaluate the quality of the studies included in the systematic review?

Dear Fellow Researchers, We are writing a systematic review based on the various types of the studies: clinical trials, clinical case series and the animal studies. What type of study assessment...

17 November 2019 3,131 3 View

Which kit would you recommend for isolation of RNA from dicotyledonous plants (leaves, stems and roots)? Which vendor would you recommend generally?

My plant material is rich in secondary metabolites. With the isolated RNA I would like to examine expression of interested genes in Real Time PCR.

12 November 2019 5,338 8 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

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02 March 2021 3,060 3 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 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

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View

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28 February 2021 9,936 2 View