How can i solve the following error (argument #1 is type string must be of type: [unit] ?

09 April 2021 1 4K Report

i am currently using xleap for snake venom toxin fasciculin, and was trying to add ions using the command addIons.. but i receive that error. the script says (addIons fasciculin C1- 4). any suggestions?

Pedro R. Figueiredo

Dear Khalid,

You are mistyping the chloride ion (CL- and not C1-).

Try typing: addions fasciculin Cl- 4

insted of: addions fasciculin C1- 4.

Hope this helps.

Badges
Science topic

More Khalid Helmy's questions See All

What could be the possible reason that sintering of polycrystalline diamond fabricated with tape casting has suddenly started failing?

I make polycrystalline diamond with tape casting followed by HPHT sintering. When i sintered the samples up till May, the sintering was good. When i sintered the samples in June and July at the...

16 July 2024 3,212 5 View

pharmacogenomics and personalized medicine?

How is pharmacogenomics transforming personalized medicine, and what are the current challenges in its implementation?

05 July 2024 5,082 2 View

Anybody can assist me in Protein and magnetic beads seperation?

Hi, I hope you are doing well, I am working to remove DNA from protein sample by using silica hydroxode magnetic beads. I used different binding buffers but I din't get my protein band in initial...

02 July 2024 5,502 4 View

What may cause whitish discolor of polycrystalline diamond surface, and cracks near edge?

I am preparing polycrystalline diamond (PCD) with tape casting. The powder is 8~12 um. After drying of tapes, I place several tapes in Ta cup without warm-pressing. Next, debinding is carried...

23 June 2024 7,758 2 View

Need assistance in optimizing my protocol. Anyone can assist me about inducing hPSC or iPSC to MSC?

Dear Colleagues, I am currently working on a project that involves differentiating human embryonic stem cells (hESCs) or induced pluripotent stem cells (iPSCs) into mesenchymal stem cells (MSCs)....

19 May 2024 3,164 2 View

A Survey about Awareness and Trust In Self Driving Cars?

https://docs.google.com/forms/d/e/1FAIpQLSe4Ht6uSWs_IOArQZyHYtfYD7aEFJBxFnIgJ46yPQ_k7rbDjg/viewform?usp=sf_link

11 April 2024 3,417 0 View

How do mutations in microbial genomes lead to adaptations to different environments?

mutations play a critical role in driving the adaptation of microbial populations to diverse environments, allowing them to thrive in a wide range of ecological niches.

04 April 2024 8,855 3 View

What are the potential benefits and challenges of utilizing artificial intelligence and machine learning in drug discovery and development processes?

In my opinion, I could say: Benefits: Accelerated Drug Discovery Cost Reduction Optimized Clinical Trials Challenges: Dealing with big data Over-fitting and Generalization Human Expertise and...

01 April 2024 5,706 4 View

Proposing research ideas in the field of social psychology?

Hello to all possible researchers who have a developed research idea in the field of social psychology, specifically the behavior of individuals in groups

29 March 2024 3,809 6 View

Is it possibleto analyze a data set that has dependent variable time series and independent variables are cross sectional?

for example dependent variable is daily stock returns and independent variables are company characteristics such as firm size, leverage etc.

21 March 2024 362 3 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

In the presence of VERY high concentration (1000 ppm) of silicon, the adsorption isotherms of arsenic are showing anomalous trends, why so?

I conducted an adsorption experiment of arsenic on soil in the presence of different doses of silicon as competing ions to see the effect of silicon on arsenic adsorption and desorption. I took 5...

03 August 2024 6,500 3 View

Does exposure to toxins during pregnancy increase early puberty risk?

I am currently researching the impact of environmental toxins on children's health and would greatly appreciate insights from experts in the field. If you are an expert or researcher working on...

02 August 2024 8,361 0 View

What is the role of oxidative stress in toxin-induced carcinogenesis?

What is the role of oxidative stress in toxin-induced carcinogenesis? I am currently researching the impact of environmental toxins on children's health and would greatly appreciate insights from...

02 August 2024 3,174 1 View

How do environmental toxins interact with genetic predispositions to increase cancer risk?

I am currently researching the impact of environmental toxins on children's health and would greatly appreciate insights from experts in the field. If you are an expert or researcher working on...

02 August 2024 2,627 1 View

Are current regulations effective in preventing cancer caused by toxins?

I am currently researching the impact of environmental toxins on children's health and would greatly appreciate insights from experts in the field. If you are an expert or researcher working on...

02 August 2024 4,474 2 View

Can we convert a thousand of FASTA sequence in numeric form in .csv format? If yes kindly send me the script for the same?

I have a .text file for various FASTA sequence , and i want to convert these sequences into a numeric file which will be in .csv format. OR I want to extract physiochemical properties(features)...

25 July 2024 3,650 2 View

What is human-computer interaction (HCI)?

22 July 2024 10,056 2 View

How Do Length of Pylon and Rotor Disk Radius Impact Angular Frequency and Torsional Stiffness in Whirl Flutter Analysis for a 2 DOF Propeller System?

Actually, I'm having trouble implementing the plot of the flutter region for the whirl prop system with 2 DOF (Influences of structural damping and propeller—pivot point distance on whirl flutter...

21 July 2024 5,047 2 View

How to determine LOD values?

I am performing fluorescence experiments using a ligand to detect metal ions. I want to determine the Lowest Detection Limit (LOD) using the formula LOD = 3σ / K. However, I'm uncertain about...

19 July 2024 1,086 1 View