What are the female hormones that can be detected by using HPLC-Flourescence detector?

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Can anyone suggest me the website from where I can accesss the research article free??

I am working in pharmaceutical industry and I am looking for website for free access of research article? Can anyone suggest me about website?

03 April 2015 10,010 0 View

Why is interference seen in blank plasma?

Liquid-liquid extraction technique is used to extract the drug from plasma. No interference was observed in plasma which was purchased from the hospital. When the pharmacokinetic study was done in...

31 December 2013 6,343 5 View

Weighted Regression analysis?

For my calibration curve, I have wide range of concentration, 5 ng-500 ng/ml. So, I would like to do the regression analysis of my standard curve by weighted method for regression analysis in...

06 July 2013 3,783 3 View

How to improve sensitivity in HPLC?

How to improve the sensitivity in detecting lowest concentration (LOD, LLOQ) of analyte in plasma by HPLC method? I am using fluorescence detector for my analysis and the concentration is in the...

03 April 2013 5,415 16 View

The retention time of basic compound(pKa=9.5) is changing in every experiment. Can anyone suggest the solution?

Mobile phase: Acetonitrile:phosphate Buffer(20:80), pH 7, 0.1% triethylamine added Column : 4.6*150 mm c18 (end capped), Guard column (not more than 50 injections upto now) attached Temperature =...

03 April 2013 550 10 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 View

Is this a facetotecta nauplius?

This larva was captured using a plankton net in the Persian Gulf during the summer. I believe it may be a Facetotecta nauplius.

08 August 2024 3,746 4 View

Request Python code?

Request Python code from this article : Gender equity of authorship in pulmonary medicine over the past decade. THANKS!

08 August 2024 6,242 2 View

May members post flyers about opportunities to present at a conference? If so, where to post?

May members post flyers about opportunities to present at a conferehttps://veraeducation.com/nce? If so, where to post for the Virginia Educational Research Association? https://veraeducation.com/

08 August 2024 4,585 1 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Can I use a HisTRAP column for affinity chromatography?

I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...

07 August 2024 505 3 View

Hello all, Looking for international reviewer to review Ph.D thesis in wireless sensor network.Can anybody help?

My name is Apurva Saoji. I am a Ph.D scholar in Computer engineering in India. I am looking for international expert in reviewing my PhD thesis, "Competitive Optimization Techniques to Minimize...

07 August 2024 4,600 2 View

Why does everyone use vs code?

Visual Studio Code (VS Code) has become a popular choice among developers for several reasons: 1. **Free and Open Source**: VS Code is free to use and open source, making it accessible to...

07 August 2024 7,013 4 View

Jonathan Decenzi

LC/MS/MS is generally used to analyze steroid hormones such as estradiol. I have only seen HPLC/FLD cited for use in the analysis of monoamine neurotransmitters like dopamine or norepinephrine.

Robin Joshi

Following papers will help you out for HPLC-FD analysis of harmones.

Gudluck

Papers

Nafisa Mohammad

I think those with cyclic Ring in their structure