What are the concentration of breast cancer bio-marker in saliva? is there any documented data?

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I'm conducting a study on Research Commercialization in Pakistani HEIs and would appreciate your participation in a brief survey?

Dear Participants- Faculty and Researchers from Pakistani Higher Education Institutions, Thank you for participating in research study that aims to 'Analyze Individual and Institutional Factors...

18 July 2024 7,024 1 View

Inter item correlation less than .30?

Can I find references that support Inter item correlation less than .30 when piloting on a small sample of 21 where population is less than 100. Scale having 180 items.

07 June 2024 8,228 0 View

Minimum sample size for a mix method pilot study?

What is the minimum sample size for a pilot study in a mix method research?

28 May 2024 1,044 8 View

Webserver for identifying activation and repression of TFs, genes, and miRNAs?

Hello. Is there any webserver where I can input a set of transcription factors, genes, and miRNAs, and it can provide me with statistical data on how TFs either activate or repress genes and...

18 May 2024 5,848 1 View

How to perform protein-ligand simulation on CYP51 protein with a heme group using gromacs?

Hello, I want to perform 100ns GROMACS simulation using CHARM27 force field on a protein-ligand complex where my protein is CYP51 (PDB ID: 5V5Z) which contains a heme group covalantly bonded to...

26 December 2023 9,309 2 View

How to solve the error in gromacs "Warning: Only triclinic boxes with the first vector parallel to the x-axis are supported" ?

Hello, I am getting the error below almost at the end of the simulation performed using gromacs 2023.1 . I am sure I did not encounter this problem before with the same input files. This has just...

08 October 2023 5,428 0 View

How to pronounce 2' when talking about chemical structures or data? for example in NMR structure numbering?

04 October 2023 9,340 2 View

How to solve the error "unbalanced atom charge" in OSIRIS property explorer??

Hello, I need to analyze the pharmacokinetic properties of my compound using the OSIRIS property explorer. The compound's SMILES ID is: C[N+](C...

12 August 2023 5,283 0 View

How to solve the "Possible problem with molecular topology file in ligand" error in SwissParam?

Hi. I am trying to create ligand topology and parameter files using SwissParam webserver. I followed all the steps to create the .mol2 file available in SwissParam page:...

02 August 2023 7,324 5 View

What can be a potential reason for crack in the sample after dry etching SiO2 using CHF3?

I did SiO2 dry etching using CHF3 (100 W RIE power, 10 mT pressure, 20 sccm CHF3 flow) at 20C. After the etch process, I noticed cracks/peeling off in multiple places of my sample (image...

18 July 2023 7,663 3 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

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

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 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

How to normalize and take the significance of the MTT OD values with 3 replicates for the same cell-line?

Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...

07 August 2024 8,106 4 View