Please can i get topic and materials that will relate computer with telecommunication companies?

I am a master student and i am working on my research, so I am a bit confuse don't really know how to match computer with telecommunication as a topic

28 February 2021 7,039 6 View

Generalized Linear (Mixed) Model: Should I use a Random Effect or not, what model family should I use, and how to test for overdispersion?

Hello, I am using generalized linear (mixed?) models and ranking selected candidate models with AIC (corrected for small sample size) to determine how weather influences the migration of birds...

16 July 2020 6,494 2 View

What quantitative index/indices should be used when measuring biodiversity of Urban Spontaneous Vegetation (USV)?

This topic has been broached in slightly different ways on RG in the past, but I am hoping to get insight from urban ecologists who have deployed different measures of biodiversity (specifically...

12 June 2020 1,707 1 View

How to generate heterozygous knockouts using CRISPR Cas9 in iPSCs?

Hi all. I'm trying to create a heterozygous deletion (55bp) mutation in iPSCs to model malignant tranformation. I'm using two sgRNAs in a plasmid based system (puromycin selection). I obtained ~20...

18 May 2020 5,389 1 View

International community: Is anyone working on social science studies on COVID-19?

We're working on a UK-based study of lived experiences during the COVID19 pandemic, looking at knowledge, attitudes, and behaviour. Is anyone else working on social science studies on the...

20 March 2020 3,573 11 View

CFQ-R USA English version?

Hi, Does anyone know where I could get hold of the USA English language version of the CFQ-R Cystic Fibrosis quality of life questionnaire for adults please? I've tried e-mailing the author at...

15 January 2020 211 2 View

Does anyone have an old digital 'whole slide' scanner that they can donate to a good cause?

New transplant programme starting in a small African nation, but they will need support and training in the examination of biopsies. A digital 'whole slide' scanner would allow virtual biopsy...

27 November 2019 9,900 1 View

A bibliographic reference in my profile is wrong. how do I correct it?

the month of publication, hence the issue number, of a book review by me, is wrong.

06 November 2019 3,310 1 View

Any existing work of PECVD a-Si:H films on crystalline-Si (100) Substrate?

Most all literature discusses a-Si:H films on glass/other substrates. I am interested in any work that may have been done in developing these films on (100) c-Si substrates. I have found one...

04 November 2019 6,034 3 View

Does anyone know how to fix this error on Popart?

Hey guys! Im working on my dissertation and I've encountered an error on Popart. I've imported my alignment, and made excel documents with my traits and geotags. When I import the traits, it...

21 April 2019 7,570 1 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

How do you prepare a porous crosslinked Polyvinyl alcohol and Glutaraldehyde membrane or film?

I am trying to prepare a Polyvinyl alcohol membrane for carbondioxide adsorption

08 February 2021 7,493 3 View

Can I polymerize NIPPAm with PEGmethacrylate or only with PEGacrylate?

I want to perform the synthesis of a hydrogel and I want to know if I can polymerize NIPPAm with PEGmethacrylate or only with PEGacrylate?

02 February 2021 2,106 6 View

How can I set up UV irradiation for crosslinking lab?

Hi, I am using a mix of 2 polymers and want to try and crosslink them. I have a UVA lamp of 365nm and have tried the lab previously at 30cm above. How would you recommend I approach the lab and...

31 January 2021 8,711 3 View

How can solve/disperse silicon nanoparticles in water?

I want to add silicon nanoparticles to my hydrogel, but when I sonicated these particles with water to disperse them in water, they agglomerated on the water's surface. How can I disperse them in...

26 January 2021 213 4 View

Anyone know how to dilute strong hydrogel structure?

I am working on PVA-GMA hydrogel that is a really strong polymeric structure like rubber. Because I am in the middle of analysis, it is difficult to dissolve the gel using a common solvent. I...

20 January 2021 3,501 2 View

How can I stain 3d printed cells in hydrogel without damaging the gel?

I tried staining my cells in a gel using standard protocols with 4PF% for fixation and triton-X or saponin for permeabilization but the gel always gets damaged throughout the steps, and at the end...

17 January 2021 4,170 1 View

Why Selenium nanoparticles synthesized by PEG 200 could not be scaled up ?

I could not synthesize Selenium nanoparticles by PEG 200 at up-scale ( more than 100 ml) as it got aggregated while at small amounts it works fine , I work with 850 PPM using selenium powder in...

08 January 2021 10,049 1 View

Does soft algniate hydrogel influence calcium concentration of a solution (cell culture medium)?

05 January 2021 6,066 4 View