Orbitrap Fusion FT keep getting disconnected?

Hi, I been having a problem with the Orbitrap Fusion for quite a while and it has been getting more and more frequent, which is very frusttrating. The fusion FT would get disconnected suddenly...

22 January 2021 1,235 4 View

What is the basis set to optimize ZnO using GaussView for DFT calculation study?

Greetings, I have a bit of problem in setup the basis set of my DFT study for ZnO.. As you can see in the image attached below, I use B3LYP 6-31G (d,p) for geometrical opt. of ZnO.. But sadly, I...

13 January 2021 7,508 4 View

How does titanium dioxide (TiO2) as a coating's component enhance the coating performance in terms of anticorrosion??

Greetings, Recently, I was asked by a researcher how does TiO2 enhance the coatings polymeric structure making it able to reduce corrosion reaction by preventing the penetration of aggressive...

02 January 2021 5,257 5 View

What are the suitable amplitude of sinusoidal perturbation signal to analyzed stainless steel 316L?

Greetings researchers, I want to ask for your suggestion in regards to what is the suitable amplitude of sinusoidal perturbation signal to analyzed the conditions of bare and coated stainless...

07 December 2020 7,699 7 View

What is the solubility of crude extract of plants in water?

Greetings all, To my limited understanding, the crude extract of plants obtained using solvents such as ethanol and methanol are usually insoluble in water. Is this correct? If it is soluble in...

02 December 2020 1,024 6 View

Does the concentration of the fluorescent compound affect the fluorescent reading on a 96-well plate?

I am trying to detect the fluorescent level of the extracted RNA sample on a 96-well plate. After extraction, I dilute the RNA sample in 20ul solvent. Can I load the 20ul RNA sample directly to...

30 November 2020 2,616 2 View

Any available international research grant in this COVID-19 year?

Dear researchers, I am a researcher from a university in Malaysia. I know that we all are having a tough situation in this pandemic year. I just posted this to know if there is any possible...

24 November 2020 8,759 3 View

How to buide a transmission microscope with a halogen light source?

Dear all. I have a problem when I want to build an optical transmission microscope with a halogen light source. The design is shown in figure 1. The basic idea is a light from a halogen light...

23 November 2020 8,821 2 View

In your opinion, what are the mechanism performed by corrosion inhibitor in a coating for corrosive medium?

Greetings researchers, There are quite a number of studies has been performed to analyze the effects of corrosion inhibitor when incorporated in a coating (epoxy, alkyd and etc) for the...

23 November 2020 6,622 10 View

For a marine coating, how much does its mechanical strength needs to be?

Greetings to all researchers, First and foremost, I would like thank all of you for answering this question. So, my question is quite general I guess, for a standard marine coating with good...

08 November 2020 8,880 4 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

Which bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

01 March 2021 7,675 3 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

Can water be extracted from Olivine?

I have always been interested in geology and wondered about how unique structures of materials behave in different circumstances. I stumbled upon Olivine, the magnesium iron silicate, and heard...

28 February 2021 7,330 4 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

How to arrange coordinates and extract climate dataset out of MPI-ESM-MR netcdf files?

Have a nice day everyone, I'm stuck in extracting datasets out of MPI-ESM-MR netcdf files because the latitude ranges from -3*10^6 to 3*10^6 and longitude ranges -5,9*10^6 to 5,9*10^6. Plus, the...

28 February 2021 912 3 View

What is the most suitable resuspension buffer for TCA/acetone precipitated protein?

I need to extract protein from fermented carbon sources for Bradford assay. Most researchers experiencing insolubility of pellet in resuspension buffer. Please assist me to select most suitable...

26 February 2021 7,129 3 View