What is the difference between hydroxamic acid derivatives and carboxylic acid derivatives in metal chelation and chelation with metalloenzymes ?

More Mohammed A. A. Abdullah's questions See All

Is skin yellowness an numerical or ordinal variable?

I have a response variable called skin yellowness, which I will measure via a scored color chart, whereby 1 is pale yellow and 15 is orange. I'm not sure if this counts as an ordinal variable,...

11 August 2024 4,793 1 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

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

How can I get old refernce in geomorphological mapping?

how can I read Waters, R. S. 1958. Morphological mapping. Geography 43 :10-17 from internet? note: not in google or resaearch gate

26 July 2024 7,813 3 View

How can the rubber fibres produced by the electrospinning device be removed from the fibre collect(aluminium foil) ?

How can the rubber fibres produced by the electrospinning device be removed from the fibre collector (aluminium foil) without affecting the orientation of the rubber fibres for use in reinforcing...

26 July 2024 8,281 0 View

Swerling Characteristic functions?

Hello!!! I want to implement the Swerling characteristics functions (CF) directly in MATLAB without using its Fourier integral pairs...the Swerling CFs are actually Laplace Transform of the signal...

23 July 2024 4,925 1 View

How do we pick data for determination of Validation Acceptance Criteria?

Hello, colleagues! There is commenting open for new upcoming edition of USP 1033. Validation target acceptance criteria is now different from what it used to be and it doesn't include Cpm....

23 July 2024 7,292 3 View

What are the frameworks or methodologies to examine written academic ELF?

What should be the frameworks or methodologies to examine written academic ELF? I want to explore the linguistic features of written ELF in research articles.

23 July 2024 4,800 1 View

Radar Detection Probabilities?

Currently I need to calculate detection probabilities (PD) from RCS data. Beta distribution parameters for this RCS data are calculated and will be used in Swerling0 Equation. The idea is based on...

22 July 2024 2,851 0 View

Radar Detection Probabilities using beta distributed Scattering Cross section?

Currently I need to calculate detection probabilities (PD) from radar cross section (RCS) data. Beta distribution parameters for this RCS data are calculated and will be used in Swerling0...

22 July 2024 868 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

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

Could someone explain the basics of working with enzymes?

I'm interested in learning about enzyme usage. Could someone explain the basics of working with enzymes? I understand they're different from standard chemicals, but I'm uncertain about the...

01 August 2024 5,460 5 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

What are some diseases that are caused by overactivity of enzymes?

I want to choose a resarch topic regarding enzyme inhibition. So I did my research and found out most of the diseases that originate from enzymes were actually caused by the "deficiency" of...

30 July 2024 2,483 5 View

Simulation of metal drawing by Abaqus with UMAT?

Hello, colleagues. Recently, I have been working on a metal processing simulation with my UMAT in Abaqus. I have outlined the corresponding simulation, but I keep encountering issues that cause...

30 July 2024 7,062 1 View

How to make the concentration measurements for the hydrogen absorption/desorption in the metal hydride?

Hello Everyone! I am trying to create a metal hydride system where I am trying to create a temperature control with the emphasis on measuring the concentration of the hydrogen with the hydrogen...

29 July 2024 7,577 2 View

Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

29 July 2024 4,570 0 View

My cfDNA extraction protocol using silica beads works with plasma collected in COD SAGM bags but not with plasma collected in K2 EDTA tubes. Why so?

I am currently performing cell-free DNA (cfDNA) extraction from plasma using an in-house developed kit that employs silica-coated magnetic beads. My protocol works effectively with plasma obtained...

28 July 2024 3,559 0 View

How can biogenic synthesis techniques be applied to develop plants capable of extracting and processing heavy metals from contaminated soil, and wha?

Understand how to utilize biosynthesis to develop natural and sustainable solutions to address heavy metal pollution and improve environmental and agricultural conditions.

26 July 2024 1,469 1 View

Marcia Moss

Irit Sagi has some data. It is not clear why some Adam metalloenzymes are not inhibitors Ted by carboxylate a but Mmps are

Check out publications by Bode. I typed in crystal structure, Mmp, and carboxylate, and got lots of references in Google.

Mohammed A. A. Abdullah

Could you send me links for these publications please ?