How to do it?
Hi all, my experimental XPS results shown that my C3N5 sample consists of N-H bond, hence in this case I should incorporate the N-H bond into my DFT modelling. However, I do notice several papers...
07 August 2024 8,414 2 View
Hi there, I'm new to modelling with comsol. I would like to ask if it is possible for comsol to output linearly polarized (LP) modes? I tried modelling a simple single mode fiber with an enlarged...
23 July 2024 4,019 3 View
I am now developing a python module for ms2 database searching, would like to realize a function that similar to what Xcalibur did, choose multiple mass spectra and get an averaged spectra. But...
22 July 2024 3,975 1 View
Our lab has some radioactive cell samples that need to be kept frozen for at least 30 days before flow analysis. For some reason, the samples stored in liquid nitrogen did not perform as well as...
15 July 2024 9,975 1 View
When Streptomyces undergoes conjugation transfer, it is always contaminated by a type of yellow Pseudomonas. What could be the reason for this?
07 July 2024 5,480 2 View
I use a DISCO DAD323 dicing machine to cut my sample,which has 1-2 micrometers SIO2 on its top.However,the SIO2 is broken and fall apart everytime.I tried different cutting speed but didn't work....
20 June 2024 1,131 0 View
Are the weights of convolution kernel in CNN(convolution neural network) pre-desighable before trainning?
20 June 2024 6,501 6 View
In CNN(convolution neural network), can the feature map obtained determinately by a random initialization convolution kernel? if not, how to decide the weights in convolution kernel to obtain the...
20 June 2024 6,418 6 View
I am doing DNA FISH on mice stem cells to detect an endogenous gene location. The expected result should have two signal spots, representing the two copies of the allele. However, what I see is...
06 June 2024 941 1 View
As the known, there were the most richness species diversity of the cave animals, especially for the cave fishes, because the underground river sytems. But there were the diffculties exist also,...
14 May 2024 9,131 0 View
I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?
11 August 2024 5,138 1 View
I'm cloning a fragment of 3200 nts into plasmid. The cloning was successful, however, 02 amino acids were mutated. Now I want to fix these 02 aa by site-directed mutagenesis technique using...
08 August 2024 4,645 2 View
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
I have been attempting to extract DNA from Bacterial, Fungal and Yeast banked samples (>1e7 cells) using Prepman Ultra reagent and I seem to be struggling to obtain a sequence. Although the...
01 August 2024 2,079 0 View
Hi all. As a beginner in ChIP-seq experiments, I hope you understand that the following questions might be somewhat basic. I am planning to perform ChIP-seq or MeDIP-seq analysis to investigate...
28 July 2024 6,938 1 View
I'm having problems with ion exchange chromatography. After applying my sample (a fluorescent protein), a preferential path inevitably forms. The matrix I use is DEAE-Sephacel. Could someone...
27 July 2024 6,605 0 View
Gene sequencing related trouble shooting
25 July 2024 4,149 2 View
In running two-dimensional gel electrophoresis on bacterial protein, some spots that appear to match a protein sequence have a significantly more acidic isoelectric point than the calculated pI....
24 July 2024 8,076 3 View
Hello researchers, Sorry for my stupid question. I am learning the QIIME2 workflow for analyzing some 16s amplicon NGS fastq data. I found a very nice paper with data and code public available...
20 July 2024 5,405 2 View
Hello all, I extracted RNA from my samples and performed RIP-seq. After annotating the genomic regions using R, I obtained promoters, exons, introns, and UTRs. Given that my samples consist of...
18 July 2024 1,579 2 View
