What is the best method for synthesis of primery amines by gabreil synthesis?

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Why in 2D image created by discovery studio 2021, the halogens appear as alkyl group?

In my molecule there is Chloro group at 2-position of phenyl ring, but in 2D image it appears as methyl showing no interaction.

28 July 2024 734 0 View

HEC 1A & HEC1B Cell Lines?

Hi, Kindly guide me that how many cells of HEC1A & HEC1B Cell lines should I seed for Wound healing assay and which plate type is recommended 6, 12 & 24?. Articles suggested mainly 24...

20 July 2024 4,143 2 View

Can untransformed pET22b be isolated from five days old pellets stored at -20°C?

I've pelleted down the overnight ampicillin supplemented cultures of DH5ALPHA for pET22b isolation 5 days ago and stored them on -20°C without adding any buffer or glycerol. Would the cells be...

09 June 2024 6,479 2 View

How to get Turbidity from Turbidity Index?

Hello, Using the satellite imaginary Ive calculated the Turbidity Index of a waterbody. Is it possible to convert NDTI into Turbidity (NTU)?

03 June 2024 4,188 1 View

How can I avoid interaction of plant based reducing agents to final nanocomposite for in situ preparation og Ag doped GO-Fe3O4 nanocomposite?

Can anyone comment on the following concerns I want to synthesize Ag doped GO-Fe3O4 nanocomposite in situ using plant extract as green method for Ag+ reduction. What will be the effect of plant...

23 May 2024 5,244 2 View

What are the parameters that help indicate soil fertility?

what is the laboratory test that are performed on soil to look for soil fertility.

05 May 2024 6,008 5 View

At what stage I should ask journal for the 100% waive off of APC?

I submitted article, received comments, submitted revision. Now waiting for editor decision. Shall I wait for editorial decision or should put request in advance for waive off of article...

14 April 2024 1,935 1 View

Can we combine items from different scales and make a measure for our construct?

I am measuring a construct: Atypical depression. It doesn't have a measurement scale. Can I combine items from other measures based on the symptoms of AD and from a scale of my own? If yes, can...

08 April 2024 2,692 2 View

What is the future scope of the analog LDO regulator?

A brief explanation on the analog based LDO regulators

31 March 2024 718 1 View

Seeking Advice: K-Points and Band Configuration for Phonon Calculations?

I'm currently working on phonon calculations using Phonopy and VASP DFPT approach with a 2x2x1 supercell. I'm seeking guidance on: K-Points Selection: How should I determine the appropriate...

29 February 2024 3,955 0 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

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 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

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

How to improve peaks separation in HPLC?

Hi everyone, I'd like to better separate two close peaks coming from a bioconversion sample, I'm currently using a C18 KromaPhase 4,6mm Ø.I. SCHARLAU, particle size (µm): 10, pore size (Å): 100,...

30 July 2024 435 3 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View

EDC carbodiimide and NHS easter 's half life among different pH?

It has been long known that EDC carbodiimide and NHS easter's half life agains hydrolysis are highly related to pH. However, very surprisingly, not yet found a paper giving a table/chart of their...

25 July 2024 8,738 0 View

Mechanochemistry: ball to powder mass or ball to powder volume?

I run mechanochemical reactions that involves the use of a large amount of catalyst (1:1 molar ratio to the reactant). When I try to understand the effect of amount of catalyst on the reaction, I...

23 July 2024 9,938 1 View

Teodoro S Kaufman

Final médium should be basic in order to allow extraction of the amine.