How do you solve this differential equation used for quadrupole in Mass spectrometer?

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Why is selected ion monitoring more selective and sensitive?

Why is selected ion monitoring more selective and sensitive compared to SCAN MODE?? I think scan seems better than sim somewhat unconditionally.

03 April 2016 10,112 6 View

Where do I get the detailed, easy-to-understand principle for solid next generation sequencing?

02 March 2016 1,531 3 View

Phylogenetically speaking, why can human insulin be used to treat dog diabetes?

02 March 2016 221 1 View

How to observe dna contamination in RNA using gel electrophoresis?

02 March 2016 3,759 2 View

How to solve my blast problem?

I have blasted my query sequence against the subject sequence, which is Homo sapiens integrin subunit alpha 2b (ITGA2B), RefSeqGene (LRG_479) on chromosome 17. Which showed 100 % coverage. The...

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How to find the sequence for CpG sites?

There are three CpG sites (cg02228185 in ASPA, cg25809905 in ITGA2B, and cg17861230 in PDE4C). I would like to find sequences of them. I have googled and gone to ncbi, but am still clueless..

02 March 2016 8,388 9 View

Is thin layer chromatography still used in medicine companies?

Is thin layer chromatography used in medicine companies? In my school, after aspirin synthesis for our organic chemistry experiment, we are going perform TLC for analysis... I know that this is a...

02 March 2016 10,063 3 View

Disadvantages of using sequence specific primers?

I know that there are two disadvantages of using sequence specific primers. I do not quite understand the disadvantages. First one is "only one assay can be run from each cDNA reaction." I am not...

01 February 2016 8,702 5 View

How is uracil changed to thymine after bisulfite treatment?

after bisulfite treatment, unmethylated cytosine is changed to uracil. How is the uracil converted to thymine??

01 February 2016 5,385 3 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

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

Request a single Lecture notes for math as detailed as this that I can find in one place?

- The Existence/Uniqueness of Solutions to Higher Order Linear Differential Equations - Higher Order Homogenous Differential Equations - Wronskian Determinants of $n$ Functions - Wronskian...

03 August 2024 2,366 0 View

What is the acceptable p-value cutoff for GO enrichment analysis ?

I have an RNA-seq data that I have analysed using Limma-voom and have extracted the gene IDs, log2FC and the p-values. At p value < 0.05, I have over 10,000 DEGs, however, when I run the GO...

31 July 2024 225 2 View

Where to find a gene list for CRISPRa/i library screening of regulatory factors that affect pathogenic Th17 differentiation in PBMC?

I want to perform a CRISPRa/i library screening for candidate regulatory factors that affect pathogenic Th17 differentiation in PBMC. But I am wondering how to define the size of gene library, so...

31 July 2024 2,150 0 View

Hello dear researchers. I would like to know what is a normalized mass in an EDX analysis?

EDX analisys

31 July 2024 5,947 2 View

Gas chromatography RT detection?

I am working on algal extract to which gas chromatography (Not GC-MS) spectrum I want to discover. My question is can we identify specific compounds using retention time if I compared the RT with...

29 July 2024 8,034 4 View

MAGeCK Plotting Error: Logarithmic Axis Must Have Positive Limits?

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Can we find a statistical matrix mechanics equivalent to the Schrödinger equation?

We assume that we can find a statistical matrix mechanics equivalent to Schrödinger's PDE in two consecutive steps: i-Transform the Schrödinger PDE describing the wave function Ψ into its square...

27 July 2024 3,959 4 View

Ryan Vogt

Need more information, there are no initial conditions or boundary conditions given, without those you can't uniquely solve this problem. I can tell the solution is found via fourier transformation though.

Aly R. Seadawy

When we have the boundary and initial conditions, we can use the mathematica program to solve it.