Turmeric oil analysis by HPLC ?

My research interest, is identification of curcumin metab. and unknowns in Turmeric oils by using LC /LCMS. but not getting recovery so , if any one have proper sample preparation method for...

11 December 2016 4,077 3 View

Can anyone please let us know the method for purification / separation of fullerenes using HPLC or Preparative HPLC ?

Can anyone please let us know the method for purification / separation of fullerenes using HPLC or Preparative HPLC. I had also found some literature for same by using Bucky prep Cosmosil Column...

06 July 2016 1,915 3 View

Analysis of Amino Acids by HPLC ?

We are planning to develop method on analysis of Amino Acids in food matrix (Cereals,Pulses , Oil Seeds etc) by HPLC with pre or post column derivatization methods.Since this is new to us so could...

01 February 2016 947 7 View

Can anyone help us with a lumenfantrine USP method ?

01 February 2016 10,001 5 View

Can I use Chloroform as mobile phase in C18 column?

Can I use Chloroform as mobile phase in C18 column , as my sample is soluble in 90% Chloroform 10% methanol? If Chloroform can be used with C-18 Column than how much % v/v with Methanol or...

08 September 2012 4,226 21 View

Analysis method of tylophorine content in crude extract of tylophora indica by HPLC?

Can anyone advise on how to do analysis of tylophorine content in crude extract of tylophora indica by HPLC and which column & mobile phase is most suitable?

08 September 2012 6,126 4 View

Mass spectral interpretation

Dear all, I would like to know the best book for interpretation of mass spectra, if any of u can sugeest then kindly suggest me [email protected]

07 August 2010 3,705 3 View

HPLC

BOOK HPLC Method Development 2nd edition by Snyder is best book for learners and method developers and analytical chemists

07 August 2010 8,175 5 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View