How can I synthesize catechollactate?

16 July 2015 0 4K Report

I am searching for information about catechol esterification with organic acids (alpha hydroxy acids).

Badges
Science topic

More Yordan Georgiev's questions See All

How to calculate the cpecific heat capasity by three run method useing Trios?

Hello everyone, can anyone help me to calculate the specific heat capacity of a sample by using the TA Instruments software TRIOS? I have done three experiments as described in the ASTM E1269...

29 November 2022 6,818 4 View

Critical papers on cognitive restructuring (CBT)?

Dear all, could you please recommend me the best scientific articles you know, where the method of cognitive restructuring from CBT is criticised? Thank you

11 December 2021 5,008 1 View

Which control variables should I consider, when researching effects of recovery on Burnout in a corporate context?

I am interested in the effects of a recovery training on Burnout rates in a medium-sized company.

09 August 2021 3,231 3 View

Error in neural network training?

Hi colleagues, I am newbie with R and I am trying to train a very simple neural network, but the example is sending this error: Error in `[.data.frame`(newdata, , object$model.list$variables) :...

01 May 2021 7,978 2 View

Is "green energy" really "green"?

Is "green energy" really "green"? Is Green Energy Really Eco-Friendly? Isn't solar panel manufacturing too dirty? Is it not too damaging to put wind turbines in farmland? Don't we pay too much...

24 January 2020 4,236 14 View

How long does it take for a Drosophila temperature-sensitive (hs) mutant to become inactive, following a shift to the restrictive temperature?

The mutation is in a transcription factor. Restrictive temperature 30deg Celsius.

16 April 2019 9,968 0 View

Do someone need specimens of Thysanoptera from Corfu Islad, Greece?

I have collected a lot of specimens, drown in a small pool at the Pantokrator Peak, at the yard of the monastery (together with many other insects, and some spiders).

13 August 2018 8,306 4 View

Does anyone know about a program in support of Small Shipyards in Europe?

The U.S. Department of Transportation’s Maritime Administration (MARAD) has announced the availability of $19.6 million in federal funding for small U.S. shipyards. The grants are provided through...

25 July 2018 5,828 0 View

Non-equilibrium Thermodynamics, Self-organization and Extending the Principle of Least Action and Variational Principles?

I want to connect with people working in Non-equilibrium Thermodynamics, Self-organization and Extending the Principle of Least Action and Variational Principles in general for open,...

03 January 2018 3,156 3 View

Social workers professional identity?

Dear all, A professional identity is an individual’s image of who they are as a professional (Slay and Smith, 2011). Keeping in mind the socialization which plays an important role in shaping...

09 October 2017 3,898 6 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Basis set and input instruction to calculate HOMO and LUMO using Orca for Imidazolium based organic salts?

Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...

09 August 2024 5,444 7 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

The aqueous fraction of the hydroethanolic extract is showing the presence of palmitic acid. What is the mechanism responsible ?

Palmitic acid presence in aqueous fraction

05 August 2024 8,624 4 View

Determining the worth of a point improvement in Hamilton Depression Scale?

Dear readers, Thanks for your attention. I am wondering about the health economic problem of quantifying the value of interventions which a) prevent, b) improve symptom profile and c) ultimately...

05 August 2024 3,246 1 View

How to convert g/kg Humic acid dose to kg/ha?

I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?

02 August 2024 7,186 6 View

Should I remove an item from a scale to raise Cronbach's alpha and McDonald's omega or is it better to leave it if they are both over .7 already?

Hello! I have this scale which had 10 items initially. I had to remove items 8 and 10 because they correlated negatively with the scale, and then I removed item 9 because Cronbach's alpha and...

01 August 2024 4,606 7 View

What do you consider to be the most relevant elements of EEG for studying cognitive biases?

I've seen articles that primarily focus on alpha and beta activity in the frontal regions, but these studies often compare healthy subjects with those having various pathologies. I haven't seen a...

31 July 2024 7,259 1 View

Conjugation of PEG-Amine to an Amino Acid Using EDC?

I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...

31 July 2024 2,033 1 View

Dimensions of an MJ Research 96-well alpha module?

Can anyone with an MJ research / BioRad PCR machine from ~2010 or earlier tell me the external measurements (LxWxH) of the removable standard PCR alpha modules that can be removed from a PTC200 or...

30 July 2024 2,867 0 View