What is the new in organic chemistry?

More Lwfhp Yvl's questions See All

What suitable analytical method do you suggest for the analysis of famotidine?

what suitable analytical method for analysis of famotidine?

10 November 2015 8,956 5 View

I need a simple way to measure carbon monoxide in the air

I need a simple way to easure carbon monoxide in the air

09 October 2014 8,561 1 View

What does ultrasonic assisted exraction mean?

03 April 2014 9,279 6 View

Why does formic acid give bad separation when used to improve the separation in separation sugars?

What is the effect of the formic acid in this case?

03 April 2014 5,262 4 View

When comparing between methanol and acetonitrile to separate sugars why did acetonitrile give the best separation?

Comparing between methanol and acetonitrile to separate sugars by LC/MS we got a better signal using acetonitrile. NH2 column methanol:water acetonitrile:water

03 April 2014 9,953 4 View

Why does a guard column improve separation?

When I use guard column it improves separation

03 April 2014 3,349 5 View

Why can't reversed phase columns be used for underivatized sugars?

see above

03 April 2014 5,313 5 View

What does universal bulk property detector in chromatography mean?

Is there another kind?

03 April 2014 6,016 3 View

Why is a buffer used in ion exchange?

See above

03 April 2014 8,100 3 View

I want to analyze amino acids. Are there any suggestions of the possible difficulties ?

I want to use LC/MS. Any suggestions on how to do so?

03 April 2014 8,392 4 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 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

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

How to isolate lymphocytes from mouse spleen?

I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...

04 August 2024 9,913 7 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

Can the limit of quantification (LOQ) of an analytical method fall outside its linear dynamic range, or must it always be within it?

Can an analytical method's limit of quantification (LOQ) be outside its linear dynamic range, or is it always required to be within it? Please provide a thorough explanation supported by verified...

29 July 2024 7,198 9 View

Where to start the Analytical model for Dry sliding wear of metal surface ?

I am doing research on wear mechanism of the additive manufactured metal parts under dry condition. Please share the reference to start the analytical modelling of the wear prediction.

29 July 2024 6,115 0 View

Do some Staphylococcus aureus strains have in vitro antimycobacterial activity ?

Some Staphylococcus aureus strains Inhibit the growth of Mycobacteria in Mueller Hinton Agar medium containing 10% OADC. Do some Staphylococcus aureus strains have in vitro antimycobacterial activity?

29 July 2024 10,023 2 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

Humza Bin Masood

Advance Analytical Techniques

Natural Extractions for making medicines

These are the two topics currently at peak in Organic Chemistry

Madhukar Baburao Deshmukh

New in organic chemistry :Important New topics in Organic Chemistry are designing of organic synthesis, Chiral synthesis, Resolution of the racemic mixtures, separation of isosters, Organic Material for photolytic conversion, organometallic compouds of fullerenes, polymeric composite materials etc.

Jef Struyf

An hierarchical organic chemistry course structure that matches the Neon electron configuration in a remarkable way. The associated educational aids are described in The World Journal of Chemical Education, 2015, 3 (2), 51-58 (abstract graphic and supplemental information in the online version)? These may help improve students’ results. How do you yourself appreciate this course structure and the original connection it makes between oxidation levels and acid-base?

[email protected]