Which is the best method to determine the solution of a symmetric, positive definite, diagonally dominant system of equations?

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Best mask design for metal deposition aiming build a Perovskite solar cell device?

What types of mask designs for metal deposition, to be used in a PVD system, are best suited for perovskite-based solar cells?

31 July 2024 4,835 3 View

I need help with cloning a 200 bp insert and a 4,7 Kb pEGFP-N1 vector. How can I do it?

I've been trying to clone my N-terminal inserts in the comercial pEGFP-N1 vector. Initially, I cloned my N-terminal insert into a pGEMT-easy vector to ensure that the insert digestion was done...

09 July 2024 4,277 1 View

Experience Sampling Method (ESM) Solutions for Real-Time Voice Data Collection?

Hi Everyone, I am working on a research project focused on analyzing behavior and cognition in different environments and situations. I am looking for a solution that allows us to: Record...

29 June 2024 6,540 0 View

What are the main Sensations and Symptoms in fibrilar rupture of the Abdominal Muscle in Tennis Players?

I need to know what are the main sensations and symptoms, tennis players feel when their abdominal muscle suffers this type of injury. Thank You

20 May 2024 1,454 0 View

How to analyze treatment of a virus in PFU data?

Hi, I've done a plaque reduction assay to analyze my possible plant activity, I used a HSV 2 virus at 6,5x10^3 as control, and I count (added file) the PFU... do I need to calculate something or I...

02 April 2024 560 1 View

What is the best way to calculate the cavity's volume of macrocyles?

Does anyone know an unbiased way to define the cavity and volume of macrocycles, such as crown ethers, cyclodextrin, and similar molecules, using quantum chemistry software? All papers that I'm...

25 March 2024 5,265 8 View

¿Cómo puedo acercarme de forma metodológica al impacto a largo plazo del maltrato en la salud mental y física de los niños maltratados ?

Con esta pregunta busco orientación sobre como abordar de manera sistemática y metodológica el estudio del impacto a largo plazo en la salud de los niños que han sido víctimas de maltrato. El...

10 March 2024 6,408 1 View

How does the design of tourism-focused public space affect local communities?

Cities compete with each other in a globalised environment. How does this affect the design of urban space and the community?

04 March 2024 3,319 2 View

How to sort C2C12 and NSC-34 from a co-culture?

Hi, I need to do a co-culture with these two cell types and I would like to do a qPCR. Unfortunately I can't do a flow cytometry so I would use a magnetic beads separation system to isolate the...

19 February 2024 7,155 0 View

Hi guys, someone here knows how to calculate the FWHM from a FTIR spectra on Origin or Omnic softwares?

I have FTIR spectra and I need to calculate their FWHM. I tried many times on Origin, but never worked. I guess that is something related to the old version that I am using (8.5). Can you help...

09 February 2024 4,241 7 View

What is the difference between mathematical R^4 space and physical 4D unit space?

We assume that the difference is huge and that it is not possible to compare the two spaces. The R^4 mathematical space considers time as an external controller and the space itself is immobile in...

10 August 2024 6,678 14 View

What precautions should be taken while handling S. aureus enterotoxin Type B in the lab?

I would like to understand potential safety concerns while handling SEB in the lab. Especially while working in animal house facility. Would like to know precautions for handling. Sigma MSDS...

07 August 2024 6,034 3 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 understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

Which test should be used to study association among demographic profile and awarness level?

i have to study the awareness and adoption level of cloud computing in a district of India. i also want to use association among demographic variables like gender, age, education, income etc and...

02 August 2024 2,420 3 View

Do some Staphylococcus aureus strains have in vitro antimycobacterial activity ?

Some Staphylococcus aureus strains Inhibit the growth of Mycobacteria in Mueller Hinton Agar medium containing 10% OADC. Do some Staphylococcus aureus strains have in vitro antimycobacterial activity?

29 July 2024 10,023 2 View

How to use Desmond in HPC ?

Our department has recently acquired an HPC (High-Performance Computing) system, and I'm thrilled to take my molecular dynamics calculations to the next level using Desmond. I used to run my...

28 July 2024 6,553 1 View

All math can be explained by iterator of code?

all math can be traversed by code? all math can be translate to code?

26 July 2024 9,530 0 View

Can we eliminate the stress singularity at the tip of the crack by manipulating the elastic constants?

The aim of the research here is to prevent the propagation of the crack in the fabricated elastic medium with useful applications.

25 July 2024 9,976 3 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