We need this standard for a quantidative LC/MS/MS study in plasma
Have a look at: http://www.usp.org/
you might be lucky
No, I am not lucky! They also don't have it :-( I might have to synthesize it
The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?
02 March 2021 4,511 3 View
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
Which variables (such as pull speed, melt temperature, annealing temperature/duration, cooling rate, etc.) affect the grain size of czochralski-grown polycrystalline silicon? In what direction...
10 January 2021 2,204 6 View
Good day. I am doing a studu on the use of fish scales to create a nano filter. This is aimed at potentially solving the face mask problem brought about the pandemic. This is what I know so...
09 January 2021 8,907 5 View
How would you calculate inter-coder reliability (Kappa coefficient?) for the following scenario: 6 texts coded across 7 categories (codes) by 3 coders?
23 December 2020 2,324 3 View
10 October 2020 3,407 2 View
When modeling incompressible materials via the Finite Element Method (FEM), typically the plane formulation that is displacement based fails when Poission's Ratio = 0.50, which is a standard...
08 October 2020 7,058 1 View
What is your recommended analysis for the following problem: I have 3 (treatment) groups and a non-randomized pre-post design. I want analyze the effects of the groups on the follow-up measure,...
28 September 2020 5,890 4 View
18 August 2020 3,955 11 View
In the current EFSA Guidance on the risk assessment of plant protection products on bees (Apis mellifera, Bombus spp. and solitary bees) related to the Regulation (EC) 1107/2009 valid test methods...
26 March 2020 1,178 1 View
Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1
17 August 2021 0 0 View
How to calculate the RMSD values for a MD simulation using MOE?
07 August 2021 0 0 View
20 June 2021 0 0 View
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
effect of double bond on the flexibility of polymers
07 April 2021 0 0 View