What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View

How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View

Which factors contribute to instructional resilience in HE?

If you are teaching in Higher Education, please consider participating in our study on Instructional Resilience during Emergency Remote Teaching. We want to learn about which factors have...

19 January 2021 6,759 15 View

How to view the electrostatic potential value of a Gaussian09W result?

Hi all I am able to view the electrostatic potential surface using Gaussview to see the calculating result from Gaussian09W of a small molecule. However, the strength is represented by color. I am...

19 January 2021 5,448 3 View

Statistics Question: Meta-analysis of factorial trials?

Hi all, is it possible to do a meta-analysis of randomized controlled trials with factorial design? I would appreciate some guidance/referral to a statistical resource or guide on this. Many thanks.

17 January 2021 4,090 3 View

How would I go about equilibrating the internal humidity of a closed system at 2 different temperatures?

I have a box which is kept at 4C which is enclosed in a ziploc bag. The dimensions of the box are: 18cm x 13.4cm x 4.9cm. The relative humidity of this internal environment is 30% at this...

07 January 2021 6,734 3 View

Blue native page transfer problem?

Hello, I am writing this hoping someone can help me. I am just starting out with BN-PAGE and I have a transfer problem. It seems each time I transfer (2 membranes at a time) in a BioRad wet...

09 December 2020 1,008 3 View

What is the influence of reduced graphene oxide (rGO) in a p-n ternary photocatalyst?

04 December 2020 9,019 2 View

Can I use both coarse resolution (1 km) and high resolution predictors (2 m) in a species distribution model?

I am proposing that a hierarchical approach is used where coarse resolution variables are used to run a maxent SDM and delineate a presence/absence map for my species (tropical conifer tree...

24 November 2020 1,106 4 View

Are there any interesting areas of research yet to be studied with rice viruses?

I'm currently in the process of coming up with a research pitch for a lab to be funded here in the Philippines. Rice is quite the common crop in the South East and its diseases are commonplace....

23 November 2020 5,194 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 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 remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 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 can we theoretically calculate Elemental analysis(percentage) of atoms in covalent organic framework?

For example in one research article the Elemental analysis values of COF-TpPa-1 ( Triformylphloroglucinol (Tp) (63 mg, 0.3 mmol), Paraphenylenediamine (Pa-1) (48 mg, 0.45 mmol) are as follows...

24 February 2021 1,265 6 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View