Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

How can we raise the figure when we writing a paper with Latex ?

Hi, everyone. I'm a starter to write a paper by Latex. But I have some difficulty using it. I'm writing the paper with 2 columns. And, there is one figure that occupies the 2 both-sides. I want to...

26 February 2021 3,738 3 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

What is the system of units used in the thermal conductivity by Spitzer and Harm?

23 February 2021 9,253 1 View

Is there any solar electric power plant having the concentrated photovoltaic modules?

The solar photovoltaic (PV) power plant uses commercial (non-concentrated) PV modules which are quite simple in design and reliable. They can work on fixed orientation and don't need the moving...

16 February 2021 3,796 9 View

How to calculate visual angle of a visual stimulus?

I am currently trying to figure out how to calculate the visual angle of some visual stimuli I used in an experiment. I think I have all of the information I need to calculate this. One is a...

15 February 2021 3,189 2 View

How many days do we need to detect adoptively transferred Treg in the tumor site in tumor-bearing recipient mice?

Hello, I've got a plan to isolate mouse splenic Treg (WT and KO of target gene) and inject these CD45.2 Treg into tumor-bearing CD45.1 mice. My question is how many days do I need to wait to see...

11 February 2021 8,238 1 View

Is it possible to antibody labeling with FITC cause antibody disfuction?

Hello, I studied how much bound my test antibodies to the target antigen using FITC labeling to test antibodies. I tested 3 types of antibodies, the elisa binding affinity and cytotoxicity...

07 February 2021 8,335 2 View

Having trouble with qPCR amplification plots. My curve's never seem to reach a plateau. Any ideas?

The parameters of the curve all seem acceptable, typically reactions results are above 0.9852, -3.1 to -3.6 slope, and 90-110% reaction efficiency. The results seem to be what I would expect from...

04 February 2021 1,138 3 View

Can you use MTS assay with cells cultured in media containing phenol red?

I am trying to run a cell viability assay with LN229, but these cells are cultured in DMEM which contain phenol red. Is the MTS assay sensitive to the additional of phenol red in the media? If so,...

03 February 2021 9,478 2 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 View

How do I check the quality of my viral RNA prior to metagenomic sequencing?

I am doing metagenomic sequencing without enrichment for an RNA virus. After my RNA is extracted from the blood I am doing library prep with the NEBNext Ultra directional RNA library prep kit for...

16 February 2021 5,101 2 View

Does DNA A-tailing survive after agarose gel electrophoresis and purification?

Hi everyone, I need to clone in pGEM-T vector the result of amplifying a metagenomic library by PCR with a high fidelity polymerase but I only want to clone the fragments of an specific size...

04 February 2021 6,051 8 View

How can I solve this problem with agarose gel DNA purification of bigger (1-4kb) fragments ?

Hi everyone, I perform a PCR + Restriction Digestion (single cut, same at both sides) over a metagenomic library. After that, I am trying to purifiy DNA fragments between 1-4kbp long from the...

24 January 2021 2,190 5 View

Could anybody provide insights the best tools to create a custom database for taxonomy assignment of metagenomic data?

I am interested in the different tools that can be used to create custom databases for targeted sequencing and how to trim the databases based on the amplicon size? Also, should custom databases...

02 December 2020 3,105 3 View

Does Shannon index represent largest diversity index when the individual belongs to different species and vice versa?

The shannon wiener index and Simpson indices include the measurement of community heterogeneity. Shannon wiener index bapplied information theory. The main measuring object of information theory...

22 October 2020 1,053 7 View

Is the first clean up necessary in Illumina MiSeq Library Preparation?

I'm trying to streamline my metagenomics protocols for my lab. I have previously followed the 16S protocol...

16 September 2020 5,234 6 View

How to use Vegan::capscale to calculate and plot distance based- redundancy analysis (db-RDA) and add correlation cut-offs in the results?

I have a dataset with relative abundances of Genomes against their COG-ids. It is a large data frame with 4214 rows (COG-ids) and 1313 columns...

13 September 2020 2,334 1 View

Regarding metagenomic contamination?

We have lab established culture setup of marine synechococcus PCC 7002 sp. and heterotrophic bacteria. Recently we did metagenomic analysis of it (sequencing was done by an outside reputed...

12 August 2020 187 11 View

How to find complete protein sequences (not partial) from NCBI database?

I want to generate a custom database of translated proteins involved in a particular process and then blast them against my predicted protein sequences from the metagenome . I have downloaded all...

12 July 2020 2,651 1 View