What is the pKa value of Bradykinin?

More Anil Kumar Meher's questions See All

Is it possible that hydrogen peroxide can oxidize paper?

Curious to know

02 March 2015 2,494 5 View

What is a simple way to extract carotene from carrot?

I need to perform some tests with extracted carotene.

11 December 2014 9,915 8 View

Are there ways to perform chemical modifications of paper (Kimwipes)?

I assume paper is mostly cellulose, containing lots of hydroxyl groups. Can it be chemically modified for interaction with specific molecules?

09 October 2014 8,734 5 View

Can anybody tell me how to prepare a thick layer of titania by sol gel route?

Simple application of sol gel does not adhere to the surface of substrate (glass). Upon spin coating a firm layer could be obtained. However, it is very thin. I am looking to make a thick layer as...

06 July 2014 4,009 3 View

How does one obtain an alumina coating over a glass chip by the sol gel method?

Looking for a simple and straightforward method.

06 July 2014 7,703 1 View

What is the simplest way to perform coating of glass chips with alumina?

I have tried to coat the glass chip with silica sol gel and then applied alumina sol. However, the silica sol after drying up forms flakes and comes out.

06 July 2014 5,706 1 View

Do you have a simple protocol for on target desalting of peptides over a hydrophobic surface?

For samples dried over a hydrophobic surface and washed with aqueous solvent.

04 May 2014 7,932 2 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 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

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 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

Charles R Robertson

Bradykinin is a peptide, the individual amino acids have pKa's, but the molecule as a whole has a pI at 12.00

Peng Lian

You can always calculate the pKa(s) with quantum chemistry method. Here is an improved model for your reference,

Article Quantum Chemical Calculation of pKas of Environmentally Rele...