Is there a protocol for generating rod-shape mesoporous silica?

21 June 2017 304 4 View

Is sodium pyruvate a required component in media?

I'm growing tissue from lost pregnancies. The media used prior had sodium pyruvate but the replacement media from Life Tech does not contain it. Does anyone know if I need to buy and add that to...

15 May 2016 3,546 4 View

What is the Zn(II) lewis acid property and how can I run the oxidation reaction?

29 September 2014 4,802 1 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

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View

Would you please recommend a function in R software that could be used with FUNGuild output to merge different rows that have similar guilds?

Dear colleagues, I have an output of FUNGuild tool (ASVs abundance in different samples and assigned to guilds) and would like to merge the ASVs that had similar ecological guilds using R...

16 February 2021 4,292 7 View

What statistical test do I use when analysing data from the social physique anxiety scale?

I am researching the effect of social media on social physique anxiety of young adults. What statistical test do I use when analysing data from the social physique anxiety scale? (Leary, 2013)

03 February 2021 2,618 5 View

After cutting bands having low molecular weight peptides obtained from SDS-PAGE,is it possible to elute these peptide(s) without digesting in trypsin?

Basically, I want to get the sequence of peptides. I assume, digesting these peptides from each band may give me a different sequence than the original through LC-MS analysis. If digestion doesn't...

30 January 2021 5,482 3 View

I am looking to develop a basic oral microbiome assay. Can anyone advise on culture vessel, conditions and organisms that require minimal maintenance?

I am looking to investigate oral care products with an easy-to-prepare culture of orally derrived microorganisms.

21 January 2021 3,448 1 View

Why would the TGA curve show weight gain?

Hello, I have several TGA curves of different compounds showing an odd weight gain/bump. The attached file is an example of some of these curves. I read oxidation can cause this if the purge gas...

21 January 2021 957 3 View

What are the factors responsible for non uniform decrease in corrosion rate?

I am working on the corrosive effect of food condiments juices on some selected metals using weight loss experiment. But while plotting the graph, I found out that the decrease in corrosion rate...

21 January 2021 6,688 4 View