Where can I find SEM, FTIR AND GPC in Nigeria?

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Does anyone knows about any protandrous fish inhabiting the Mediterranean Sea, smaller than 20 cm (adult) and that change sex relatively quickly?

Other than Sparids

27 June 2024 1,809 0 View

Very urgent. Where we can get some of these plant species (details see description box) in Nigeria?

1. Vachellia drepanolobium 2. Vachellia horrida 3. Vachellia karroo 4. Vachellia nilotica 5. Vachellia oerfota 6. Senegalia polyacantha ? [email protected] +2348061166247 Thank you.

05 June 2024 4,858 1 View

How can I change the coordinate system in Abaqus using Python?

Hello, I'm writing Python scripts for Abaqus and I'm facing a problem. I need to change the coordinate system in a .odb file before extracting data but I'm stuck. I can create my coordinate system...

30 May 2024 7,431 3 View

Can you explain the difference observed between my PFGE and WGS results for E. coli comparison?

Recently i did PFGE and WGS comparison with the same set of E coli strains. In my mind, if PFGE give two different pulsotypes, it is sure that strains are not the same. But when i did WGS, i...

12 May 2024 8,107 2 View

Is there a commercial antibody against insect resilin?

Dear community, I want to perform an analysis of the risilin localization within the legs of myriapods and would like to visualize the localization of the resilin components in different...

07 May 2024 9,160 3 View

How do I specify the argument "time" in the function "create.matrix" (R package fossil)?

I would like to use the "create.matrix" function (R package "fossil") to create a matrix of taxa, localities, time and abundance. In the function, time is specified by the arguments "time.col" (=...

28 April 2024 3,545 2 View

My plasmid DNA is 96ng. How do i calculate the volume of bsa I (20000 U) to use to digest it?

I am trying to do a golden gate cloning but the ligation-digestion seems to be failing

01 April 2024 6,416 2 View

Handling procedure of brain samples for RT-PCR / Western Blot?

Hello, What would be the best procedure right after extracting brain samples from mice, if we plan to analyze the samples later ? Would it be best to just directly flash freeze the brain...

28 February 2024 7,384 1 View

What should I study to get a good introduction to combinatorial game theory?

Right now I'm working on a senior project in combinatorial game theory - I've read Knuth's book "Surreal Numbers" and I've started reading "Winning Ways for your Mathematical Plays" by Conway,...

20 February 2024 1,254 1 View

Writing a United Nation position paper for poverty and inequality Bangladesh?

What is the Current situation with poverty and inequality in Bangladesh? What are the potential sources/causes of poverty and inequality in Bangladesh? What are the consequences poverty and...

17 February 2024 4,166 0 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 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

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Is it possible to use the Fused Deposition Modeling (FDM) to additively manufacture interconnected porous structure generation of >100-200 micrometer?

Usually, additive manufacturing techniques like SEBM, SLS, and SLM are used for interconnected porous lattice structure generation with sizes of >100–200 micrometers. Can the Fused Deposition...

09 August 2024 7,892 0 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 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 can I apply boundary conditions in an orthotropic steel deck numerical model using ABAQUS software?

I am trying to simulate vehicular loading on an orthotopic steel deck bridge section in ABAQUS software. The red arrow mark in the attached figure indicates the direction in which the vehicle will...

08 August 2024 719 0 View

Can I use a HisTRAP column for affinity chromatography?

I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...

07 August 2024 505 3 View

Should I include H atom into C3N5 when i am doing DFT modelling?

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