PEG-400 or PEG-4000 can be used as an alternative to PEG-1000 ?

I use PEG-1000 (poly ethylene glycol) in my synthesis process, but I only have PEG-400 and PEG-4000. So, what is an alternative to PEG-1000 ?

19 February 2020 2,142 3 View

What is the best way to add contact formulations in an FEA code ?

I am working on a finite element modelling problem in MATLAB. I had a code which did not take contacts between elements into account and the elements just went through each other. But I modified...

11 June 2019 5,222 5 View

How to prepare AS (III) stock solution for electrochemical detection

16 July 2017 8,898 4 View

How to change a 3 electrode deposition to two electrode system?

26 February 2017 3,690 4 View

Can anybody suggest how methyl bis acrylamide (crosslinker process) react in presence of O-H and COOH functional group present in polymer?

Can anybody suggest how methyl bis acrylamide (crosslinker process) react in presence of O-H and COOH functional group present in polymer?

03 March 2016 6,524 7 View

Can I calculate the radius of gyration using GROMACS package? How do I install the GROMACS package in a windows machine?

Dear RG friends, Could me help me to resolve GROMACS

05 January 2015 3,953 7 View

Buffer to disrupt platelet alpha granules for PF4 quantification?

Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...

03 March 2021 1,499 2 View

How does the gut microbiome affect the fibrotic process within the liver?

and Can the gut microbe be used for the treatment or diagnosis of liver fibrosis?

02 March 2021 557 2 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

How to indicate the degree of litter decomposed by microbes?

Any technique could detect the degree of litter decomposed by microbes? Or any indexes could do this job? I want to split the contribution of microbes during decomposition, so any suggestions...

23 February 2021 1,362 5 View

Can I use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography?

Hi! I would want to know if I can use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography. This column has a polyethylene glycol phase, but I can't find the manual to check...

22 February 2021 730 2 View

Can I get information about research laboratories that are currently having in culture, internationally/locally standardised microorganisms?

Microorganisms of interest include; E.coli; Salmonella typhimurium; Pseudomonas aeroginosa; Streptoccocus pneumoniae; Staphyloccocus aureus and Candida albicans. Locations closer to Port...

18 February 2021 6,500 3 View

Droplet PCR in plastic chips always result an unexpected band, any suggestion of possible contaminations and how to improve?

I am doing droplet based digital PCR inside plastic chips. I can get the correct band, but I also consistently get an unexpected band, slightly shorter. I attached a typical gel image here....

18 February 2021 6,618 2 View

Any natural extract (that is easily available) or any drug combination triple which i can use against gram negative?

I'm working on gram negative i want to use any natural extract (plant extract) or triple drug combination against its biofilm formation.

14 February 2021 1,403 3 View

How do microbes tell the presence of an inorganic minaral in the soil?

Due to their ubiquitous nature, there is a tendency of the presence of microbes in a given mineral(s). For instance, if microorganisms that love the of pH less than 6 in the pH value, is isolated...

03 February 2021 4,630 10 View