I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

How to achieve the sensitivity diagram of a sensor in CST?

I wanna design a sensor in CST 2021 for the first time and I don't know how to achieve the sensitivity diagram of the sensor in CST. Could you plz help me to do that? I appreciate your response...

26 January 2021 6,864 1 View

What kinds of potential genes could be expressed in frogs exposed to chytrid fungus in different environmental conditions ?

I need an applicable molecular biomarker like expressing the genes in frogs who expose to chytrid fungus in different environmental stressors. Indeed, what kinds of genes I should notice in frog's...

25 January 2021 7,718 2 View

How to select the most non-correlated samples within a dateset?

Dear researchers How to select the most non-correlated samples within a dateset? Considering that the samples are time-series of length l within m different time-series. To more clarify the...

13 January 2021 741 6 View

DSC test- Glass transition temperature of the electrospun PA66 nanofibers?

Hello Everyone, I did several DSC tests on the electrospun PA66 nanofibers to obtain the glass transition temperature. According to the material datasheet, the Tg point of PA66, as cast, is around...

13 December 2020 1,506 2 View

How to create a sag and swell detection in the DVR applications?

I have created a three-phase cascaded h-bridge inverter at Simulink with the SHE-PWM technique, and I want to test it in the DVR applications. How can I design a controller for that in the DVR...

13 December 2020 735 3 View

Degenerated semiconductor (Burstein Moss effect) with unchanged band-gap?

Is it possible to produce a degenerate semiconductor using a dopant agent that results in increasing the electrical conductivity, but the optical band-gap remains unchanged? In such a situation...

11 December 2020 8,338 13 View

Which statistic software can give me a relationship for multivariate function?

Hi friend I have some data and they influence on each others and I draw their graph in excel but excel can't give me a relationship for multivariate function. the regression of these data in excel...

29 November 2020 9,371 9 View

A paper may be rejected because of several reasons?

In my case, I have received rejection after seven months from submission to journal without reason or editor comments (decline). Moreover, without being reviewed by an expert scientist reviewer,...

29 October 2020 5,437 4 View

Do scalar-tensor-vector gravity theories violate the Bekenstein-Hawking area law to compute the entropy of black holes?

I am looking for the thermodynamics of the cosmological black hole in scalar-tensor-vector gravity theories. I know how should I write and find the thermodynamical quantities and equations for...

26 September 2020 6,383 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View