I have purified anthocyanin, i used cyanidin -3-glucoside as standard?

More Abubakar Abdullahi Lema's questions See All

On what basis will an article be with an Editor for over two months?

Especially unpaid Journals

02 January 2021 9,028 7 View

How can I interpret the values of zero-sequence impedance in the pic. and use them for short circuit current calculus in a 3winding power transformer?

I have a three winding power transformer with the zero-sequence impedance values given in the picture. I need to model those in a equivalent circuit for simulation purposes.

23 December 2020 3,866 1 View

Please suggest me EI compendex conferences with good acceptance rate?

I want to publish a paper at the EI-Compendex conference, please suggest a conference with a high acceptance rate. My field of research is IoT security and cryptography analysis.

19 October 2020 5,365 3 View

No title

Despite the high CO2 of the Paleozoic atmosphere, when CO2 levels were greater than 4000 ppmv (parts per million by volume), scientific evidence indicates a period of glaciation around 445 million...

19 August 2020 6,452 3 View

What is the best way to present more than one research problem?

When you have three research problems is it better to write each of the problem with it's solution in same paragraph or write all the problems then the last paragraph should contain the summary of...

03 August 2020 9,805 4 View

How can I eliminate discontinuities in the end-effector plot of an industrial manipulator?

I am trying to solve a dynamic problem for a 3 DOF industrial manipulator and I keep getting funny end-effector plots for the first joint (see the figure). I have tried using the alternate...

21 June 2020 7,931 15 View

Please i need a material or textbook that explains about hybrid energy storage (battery & Supercapacitor) and their energy management?

17 June 2020 8,196 3 View

Please suggest behavioral IoT authentication protocol literature?

I am currently working on IoT authentication systematic literature review. Please suggest the IoT authentication protocol based on behavioural.

26 May 2020 1,238 5 View

Is it possible to combine YOLO and Faster RCNN for object detection to benefit from the detection speed of the former and detection acc. of the later?

I am thinking of utilizing YOLO algorithm and Faster RCNN for localization and detection task, is this easy?

03 March 2020 9,156 4 View

Can anyone tell me which antibodies for Neurons, astrocyte and glial cells were used for FACS sorting?

We are looking for antibodies that efficiently label neurons, astrocytes and glial cells from mouse brain through FACS sorting for RNA Seq. We tried various antibodies but it does not work in...

05 December 2019 5,334 2 View

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 3 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

What do I do with DLS peaks that are from the buffer?

I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...

01 March 2021 9,015 2 View

What information can be had from raman at higher wavenumber?

i have recorded raman spectra of strontium oxide thin film. the spectra were recorded in the range 400 to 4000 cm-1. i have reference to peaks upto 1000cm-1. but i couldn't find literature for...

26 February 2021 2,499 1 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How can I find a Raman spectrum wavenumber corresponding to what compound?

I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...

24 February 2021 363 3 View

Genescan gives 3 peaks instead of one?

Hi all, I am doing a genescan analysis for a deleted exon in the patient sample. The amplified region is 215 bp. In the patient sample because of homozygous deletion, no peak is observed while in...

23 February 2021 5,645 1 View

What HPLC Marker(s) should be used to detect anthocyanins in a sample?

What HPLC Marker(s) or standard is used to detect and quantify anthocyanins such as Delphinidin, Cyanidin in a given sample of plant extract?

23 February 2021 1,832 4 View

Why the CHi^2 is close to zero with a bad fitting but the Rp and Rwp are still high?

I am refining my XRD data using in FullProf program. The intensity of the modulated X-ray peaks is almost flat. I tried to adjust the peak intensities but unsuccessful. What is the reason? I guess...

23 February 2021 2,304 4 View

Can't recognize exact phase and PDF card no of Silicon carbide in XRD?

We have deposited silicon carbide on carbon substrate using one PVD technique. Due to amorphous behavior of SiC at low deposition temperature, we performed heat treatment of those films at...

22 February 2021 2,072 3 View

Rohit Thirumdas

Go for LC/MS and then go for HPLC for confimation