Dear Friends I need literature on Chemostratigraphy/elemental-stratigraphy of Infra Permian sediments of Oman and India?

I am correlating infra-Permian rocks of the said regions with Pakistan.

31 December 2018 6,659 4 View

What are infra-Cambrian source rocks of Oman, India, Pakistan & Siberia?

I want to know about source rocks [of infra-Cambrian age] and also interested in its correlation of Oil-Oil and Oil-Source. Please brief me and upload some data. Thanks in advance.

07 August 2018 1,140 0 View

How can we acquire ABSOLUTE METHANOL from non-purified METHANOL for UREA ADDUCTION METHOD?

I am running urea adduction method on SATURATES in order to get more refined chromatogram via GC-MS. For that I need Absolute methanol while in our lab we have normal methanol. So I need to make...

03 April 2017 9,958 1 View

What will be the solution if I got 1 oil sample frm 3 producing zones of single well in order to identify Biomarkers of each zone oil?

If we have the scenario that we got a single combine oil sample of three producing zone of a well and we are going to analyze the biomarkers of oil from individual producing zone. As we had...

02 March 2017 1,817 2 View

Which characteristics make biomolecule a BIOMARKER ?

02 March 2017 9,387 2 View

Can sb tell me the simple steps for analyzing a crude oil chromatogram?

I got a chromatogram after passing an oil sample from GC-MS, I am starter in geochemistry thats why I need some assistance and steps for analyzing chromatogram. My ultimate research work is...

01 February 2017 2,357 11 View

In what sample canes/bottles should we collect the crude oil ( either in plastic or glass bottles), I am going to collect in plastic bottles?

I am going to collect the crude oil samples for oil-oil correlation in plastic bottles/canes. Is there any chance that it will contaminate my crude oils i.e. the plastic bottles will contaminate...

31 December 2016 5,892 5 View

How to develop a stratigraphic model to understand the distributional pattern of petroleum system components (reservoir and source)From Outcrop data?

11 December 2016 8,674 8 View

What is the significance of oil-oil correlation in Geology?

11 December 2016 8,646 2 View

In area of almost 4 KM2 we've two underground water scenarios, One more saline the other one drinkable,what can be the posible reason of coexistence?

FR Bannu an area in KPK Pakistan, where in an area of almost 4 sq. km we have two diff quality underground water. One is totally undrinkable and the other one is drinkable. One extra point...

08 September 2016 7,880 9 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

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 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 any one can help me choose a reasonable basis set for intermediate metal ions interactions with guanine (i.e Fe2+, Mn2+, Cu2+ and exc.)?

Hello every body Does any one has any idea to help me choose a reasonable basis set for intermediate metal ions (i.e Fe2+, Mn2+, Cu2+ and exc.) interactions with guanine or other DNA organic...

01 March 2021 6,187 2 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

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

Why does intensity drops as concentration increases?

Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?

28 February 2021 3,653 4 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View