How can I calculate packing density of particles by fomulas or softwares?

I have all data of particles, such as size distribution, or numbers. Is there any way that I can calculate the packing density of these particles? Assume that all particles are circular.

05 January 2021 4,272 2 View

How to measure telomerase activities in TISSUE?

Can anyone recommend a protocol to measure the telomerase activity in tissue samples? Before I was able to measure telomerase activity in cell populations using a telomerase activity measurement...

25 November 2020 1,509 1 View

Why did the heat flow of DSC in the 2nd cycle decrease without any decomposition or volatilizing of sample?

My sample was the copper paste contained PEG, and there were no endothermic peaks or exothermal peaks, so I was wondering why did the heat flow in the 2nd and the 3rd cycle decrease? Thanks!

31 August 2020 7,169 3 View

Commercially available TCR-mimic antibody?

18 August 2020 9,995 2 View

Which software is used to plot graphs in engineering books?

Hello guys, I encounter such this plot (attached) in the engineering books, but don't know which software the authors used. It is not only about the plot itself because plotting observed X-Y...

17 July 2020 8,036 4 View

DNase specific to plasmid (circular) DNA?

Is there a specific DNase that digest plasmid (circular) DNA and leaving linear blunt-ended DNA intact? For example after doing CRISPR-Cas9 guided digest of a large BAC vector (~100 kb), I want to...

04 March 2020 4,857 3 View

Which software tool implemented the algorithm for maximum common edge (connected) subgraph?

I need to find the maximum common edge (connected) subgraph of two input graphs. I have implemented them in Python as follow: I construct line graphs of two input graphs then identify the maximum...

16 December 2019 8,088 1 View

Lingo problem, how to use the optimization result of the LP model in the calculation section?

Suppose we have a linear programming model in the below: Model: Max = 3*x1+5*x2 x1

02 October 2019 8,061 3 View

How to mesh a tapered plate in ABAQUS CAE?

Hi all, I am new to ABAQUS CAE and is trying to seek help in RG with regard to my research project. I am trying to mesh a marine stabilizing fin (Basically a tapered plate with hinges-solid) and...

11 April 2018 6,753 6 View

Vapor pressure or Antoine coefficients of LiOH and FeSe?

The experiments I'm doing is gas-phase reaction, so that I wonder to know the vapor pressure of LiOH and FeSe. However, I can't find any data or reference on the internet or the handbook that...

02 November 2017 8,323 2 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

How could I process data in RCT to include it in meta-analysis?

I'm in the process of doing a meta-analysis and have encountered some problems with the RCT data. One of my outcom is muscle strength. In one study, I have three different measurements of muscle...

25 February 2021 7,603 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration forms?

Warm greetings! My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology focusing on Human papillomavirus). At this stage, I have almost completed a clinical sample (Cervical swabs)...

25 February 2021 3,612 3 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 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