Can k2 in pseudo second order be negative?

More S.A Tantawy's questions See All

How can I determine if a drug binds to a ribosome using a Cryo-EM map?

Hello, I am searching for the binding position of a drug in a ribosome, based on previous work indicating it binds there. The resolution of the ribosome-drug Cryo-EM map is around 2.5 Å. I've been...

19 July 2024 2,155 0 View

How to write a paper method for interview in a qualitative research ?

Hello, Currently, I am writing my master thesis proposal. I have been to provide a method paper for (question creation and interview evaluation). It's my first time planning to conduct...

27 April 2024 4,710 1 View

A question about antibodies?

I am hoping that someone can help me find an antibody for GABA, GAD 65 or GAD 67 that works well in marmoset cerebral cortex Thanks

21 February 2024 7,493 2 View

Where to Find Dataset of Requirements Gathering Scripts and User Stories Extracted from Requirements?

Hello, I am looking for a dataset of requirements gathering scripts and user stories extracted from those requirements. Anything similar would be helpful. Thank you.

01 February 2024 4,604 0 View

Please fill my research questionnaire ?

Hello , I hope this message finds you well. I'm a final-year civil engineering student working on a dissertation about the sustainability of ancient Egyptian construction techniques and their...

14 November 2023 987 1 View

How can I confirm the western blot band is identical with my target protein?

I used some polyclonal western blot antibody, and that datasheet size is 45-50kDa I also get the band in expected size range, but there's multiple other band(at least 3 bands in other size), and...

25 July 2023 5,349 5 View

[PROCESS Macro for SPSS] What are the Reference and Counterfactual Values of X?

Hi! I am trying to run a model 4 mediation with the xmint option (what was once model 74) but PROCESS produces the following error: "A reference value of X is required for this model." I've...

24 May 2023 6,965 2 View

Can I get some cell seeding/plating help?

Hello, I would some help with seeding/plating cells. I counted cells using the hemocytometer. I got 1,025,000 cells per mL. I need to seed 250 cells per well for 36 wells and each well has...

26 March 2023 2,481 3 View

Tritox-100 permeabilzation for immunocytochemistry?

what is the recomended concentration and duration to permeabilize mitochondrial membrane for ICC?

26 March 2023 1,958 9 View

Will a signal peptide still be cleaved if GFP is fused in front of it?

I am studying the subcellular localization of a protein. To see if a GFP fusion protein can be compared to the native protein, I fused GFP to the N-terminal of the protein. In my western blots and...

01 March 2023 749 0 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

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

Which Scopus Journal provides the most affordable fees?

"PUBLISHING IN A SCOPUS JOURNAL" Researchers are now at a cross road. The critical need to publish in a Scopus or ISI, etc journal is ever vital. Journal Publication fees must be submitted....

10 August 2024 8,621 1 View

Seeking Advice on Viability and Execution of Undergraduate Thesis Topic?

Hello everyone, I am currently developing a thesis proposal and would appreciate your input on its viability and how to effectively carry it out. My proposed topic is: "Does the perceived threat...

10 August 2024 8,992 0 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

Ethylene glycol is newtonian or non newtonian fluid?

Some sources say it is treated as Newtonian as ethylene glycol has a higher viscosity than water, which affects the flow characteristics in simulations. But some also say it is non-Newtonian.

09 August 2024 2,111 2 View

Who will be moral responsible for the death of thousands of people in the event of an earthquake?

Who will bear moral responsibility for the deaths of thousands of people in the event of an earthquake? Weeks and months remain before the onset of strong earthquakes that bring death to...

08 August 2024 6,134 12 View

Juraj Bujdak

Never use linearized pseudosecond order eq. Fitting time vs time is a nonsense. The changes in q values often do not affect much the linearity of time vs time. :-) Use nonlinear fit.

The negative slope can occur if you have noisy data and the function does not start from 0 es expected in this case.

Nkwoada Amarachi Udoka

Juraj Bujdak can you have a negative ln qe is freundlich adsorption isotherm?