Can Dess-Martin Periodinane be used in DMF or THF?

After seeking for references, most of the solvents for Dess-Martin is DCM, but my compound has a poor solubility in DCM. Because my compound is acid-sensitive, I prefer not to use IBX to oxidize...

17 January 2021 3,586 3 View

The correct way to measure moss humidity in field?

I want to record the humidity of moss in the field within a few months, i am thinking I can use the Humidity recorder, placed on the moss surface, but is this the correct way to measure moss...

08 April 2019 5,491 1 View

Does any tardigrades can live in acid/base environments? Such as the soil of hot spring?

Hello, I want to try to find the water bears in the soil, but I am considering about the water bears that can survive in a hot and acid/base environment? Thanks!

11 January 2019 5,216 4 View

Do anyone of you have a scale named cognitive flexibility scale?

19 February 2017 3,505 3 View

Any suggestion for buiding the orthotopic lung cancer?

07 August 2016 4,644 4 View

Can anyone explain reason for HPLC column back pressure and RT shift?

I recently observed the shift of the whole profile little by little due to the passage of time / long term use of the column. In 2 weeks, the shift became 0.4min much later and the back pressure...

15 March 2016 7,747 3 View

How to use lipofectamine3000(Invitrogen) to perform the packaging of lentivirus?

29 February 2016 7,916 1 View

No title

22 February 2016 5,802 7 View

What's your perception of teachers' rights and your knowledge about this issue?

Can educators share your views on teachers' rights by giving your 1. personal thoughts and 2. theoretical knowledge in this area? TQ

09 January 2013 8,963 3 View

How many types of explanations are there for the spin angular momentum?

In the Quantum Mechanics, the origination and essence of the spin angular momentum remain a mystery. Recently some viewpoints are in the violent competition. The first viewpoint deems that the...

01 January 1970 5,793 40 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 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 get/count refractive index in gasses?

20 February 2021 8,202 6 View

How much costs direct reduction of nitrogen on farmland in terms of lower crop yield?

Dear research fellows, I wonder if someone knows how much direct reduction of nitrogen on farmland costs in terms of lower crop yield expressed as EUR/kg nitrogen (or similar)? I understand that...

15 February 2021 1,323 3 View

Are there alternatives to the Devarda alloy when estimating nitrogen?

Are there alternatives to the Devarda alloy when estimating nitrogen? devarda alloy is reducing the nitrate to ammonium

15 February 2021 8,838 3 View

How long can you store Matrigel-coated Transwell inserts?

Hi, everyone! I was planning to do an invasion assay today and thus coated my inserts yesterday, but unfortunately, due to certain circumstances, I cannot proceed. The next time that I can do the...

09 February 2021 8,771 3 View

About XRD details of pristine and doped RGO?

Hi Can anyone please help me know the XRD details of reduced graphene oxide, Nitrogen doped reduced graphene oxide, Sulphur doped reduced graphene oxide, Nitrogen and Sulphur co-doped reduced...

08 February 2021 3,033 3 View

How to make Fast Green FCF from powder?

Hi everyone We need Fast Green to electroporate plasmid into mice embryos, therefore we simply need it to see some color in the liquid we are electroporating so that electroporation is more...

07 February 2021 1,671 2 View