At what step should one add internal standards in tissue sample for LC-MS?

Hi everyone, I'm doing metabolomics of placental tissue in my lab. I added 1ml of 80% MeOH along with 2 isotopic internal standards namely, phenylalanine and palmitic acid to my sample after...

18 January 2021 9,520 4 View

No title

26 July 2020 1,511 0 View

How to connect Lithium ion cells (modelled using 2RC equivalent circuit approach in simulink) in series and parallel?

I have modelled a lithium ion cell in simulink using the 2RC equivalent circuit approach. I want to connect multiple cells in series and parallel to form a complete battery pack. In the literature...

13 June 2020 4,107 4 View

What is the COVID-19 Test Kit market size and industry forecast ?

COVID-19 Impact Analysis on COVID-19 Test Kit Market report published by Value Market Research provides a detailed market analysis comprising market size, share, value, growth and trends for the...

04 May 2020 9,241 3 View

Can anyone suggest how to design a transistor model in ansys circuit?

Can anyone suggest how to design a transistor model in ansys circuit. snp file with respect to different bias is available but from the datasheet I want to design transistor and observe it's...

05 March 2020 2,582 3 View

How to calculate the leaf area from a drawn outline of a leaf on graph paper ? means is there any easy software or any other method to calculate ?

I have drawn the out line of leaves on a graph paper, and i have like 120 pages of sheets each containing 5 graph on an av. so its actually laborious to calculate it manually. I thing MATLAB is...

23 January 2020 7,544 3 View

Do we need to perform a pilot study in qualitative research? if yes, how?

If semi structured questions are designed to collect the data, do the statements require a feasibility test? If necessary, what is the process?

26 November 2019 328 17 View

Can i use stress from the predefined fields to apply confinement pressure for my SMA confined concrete model?

i want to model SMA confined concrete for that i need to apply prestress for the recovery stress gemerate as confining pressure in hoops arround the cylinder.

24 January 2019 2,804 3 View

Which one is cheap diagnosis in FNAC and Ziehl-Neelsen Staing in the diagnosis of Tuberculous Lymphadenitis ?

FNAC is an assay which has high sensitivities when optimally selected is efficient and one of the most accurate frontline method for the diagnosis of Tuberculous Lymphadenitis. It is effectively...

23 January 2018 3,853 20 View

Can anyone provide me a suitable protocol for isolation of plant antimicrobial peptide?

Plants contains different types of peptides. Some of them are antimicrobial in nature which helps them fight against different microbes. If I want to isolate these peptides (Extracellular or...

08 November 2017 9,459 3 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

No title

02 March 2021 3,060 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 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