How to measure neurotransmitters with HPLC?

Hi everyone, Please can somebody help me? I would like a protocol and a method how to measure the neurotransmitters using HPLC (adrenaline, noradrenaline, serotonin, dopamine, glutamate) Thank...

12 March 2016 3,555 5 View

Can anyone use two sampling designs in a case control study?

In a case control study, systematic sampling design for case (with disease) and purposive sampling design for control (without disease non -case healthy individual) can both design be used?

14 December 2015 8,330 6 View

How can I reduce ketones by Daucus carota?

19 May 2015 9,421 4 View

What is the three dimensional external graphical representation of black hole?

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26 February 2015 8,461 3 View

No title

21 December 2014 4,409 4 View

Are there any researchers able to collaborate on the topic of transmutation of long lived fission product in fast reactor?

Hi My research area is the transmutation of long lived fission product in fast reactorI am looking for a collaboration in the same research axis

14 November 2014 2,496 1 View

How to extract the bioavailable chromium from the soil?

I would like to measure the bioavailable chromium of some soil. How do I go about extracting it? I have alkaline soil (with a pH of about 8.5).

11 March 2014 7,490 7 View

How to identificate the structure of the textile colorants?

I have the references of this colorants, but I'd like to find their structures

01 January 1970 3,736 7 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Can chitosan alone can act as a reducing agent for Cu(0) nanoparticle sythesis?

[Synthesizing Cu nanoparticles without using chemical reductants]

01 March 2021 8,359 1 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

Cloudy/high background western blot - can anyone help me?

Hi everyone! I try to detect VDR protein (~48 kDa) using Western Blot. After SDS-PAGE using 10% MP TGX Stain-Free Gel from BioRad I transferred the protein onto an metOH activated PVDF membrane...

23 February 2021 6,266 3 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

Is that possible to do an impedance measurement without FRA module?

One of my colleagues said, "the impedance you can measure with the three electrodes and with the specific sequence varying the frequency" Is it possible to configure the potenciostat without the...

21 February 2021 418 2 View