Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Is IMPACT FACTOR justified in case of Taxonomy?

There is huge pressure of getting good impact factor on scholars now a days. On the other hand Taxonomy is a very dry subject and the concerned papers can only get citation in same group of organism.

26 February 2021 5,851 1 View

Why tick's salivary gland extract didn't run in the gel (SDS PAGE )??

Greetings, I want to make SDS PAGE for my sample (Tick salivery gland extract), I tried concentrations 10%, 12%. I also tried high molecular weight ladder. But the protein stopped at the top and...

25 February 2021 7,698 3 View

Is it possible to set a breakpoint at a specific DYNAMIC instruction using the GNU Debugger (GDB)?

Using GDB, it is straightforward to debug and monitor a target program by setting a break-point at a specific instruction, since the instruction addresses are known. However, we have two...

24 February 2021 1,598 2 View

How to measure the pH of Peat Soil?

Peat possess organic content above 75% and is highly acidic in nature (i.e. pH < 4). Before commencing stabilization, it is mandatory to know about the pH level of peat. Therefore, your...

18 February 2021 9,424 7 View

How to Measure Consumer Willingness To Change from petroleum-fueled vehicle to electric vehicle?

I wanted to calculate the probability of one consumer shifting from using a petroleum-fueled vehicle to an electric vehicle. Since my background is in engineering I do not know much about how to...

15 February 2021 9,190 5 View

Having trouble mounting the sections on the slides for IHC staining, what solution should I use?

Hello everyone, I just started learning IHC staining and I have some frozen sections to practice with in a 96-well plate. I'm having trouble mounting the sections on the slide, a colleague told me...

08 February 2021 6,880 3 View

How to use Image Lab to take an image for the bands and the ladder in the same image merged together in Western Blot?

Hello everyone. I was trying to use Image Lab software to take an image of both the ladder and the samples merged together in one image to see the position of the bands according to the ladder MW,...

04 February 2021 9,996 2 View

Need a research paper for multi speaker and single microphone acoustic echo cancellation?

Hi, I am working on a problem that involves multiple smartphones/tablets. All devices are playing the same sound with synchronization difference up to +- 5ms. Now, there is an echo issue and I...

02 February 2021 5,929 3 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

Inexpensive eye tracking hardware + software solution?

Hello, I am starting a project that will require an eye tracking device. I've seen eye tracking hardware + software solutions that are $10,000+ so I am hoping to find one that is significantly...

18 January 2021 8,121 12 View

Is there any research on universal gait and O2 consumption patterns in recreational runners?

15 January 2021 6,479 1 View

How to dissociate and culture retinal cells from mouse eyes?

We have a transgenic mouse line in the laboratory from which we are looking to culture retinal cells from. Our experiments indicate we might be able to produce stable cultures from these cells...

03 January 2021 7,200 6 View

How to develop mathematical model for Eye-Gaze tracking system?

Gaze tracking technologies are used in a wide variety of applications. Most gaze tracking systems require a personal calibration process where the user is instructed to gaze at certain points...

03 January 2021 9,675 5 View

How to determine characteristic eddy diameter from power spectrum density distribution?

I have acquired the power spectrum density from turbulent data (plotting [m^2 s^2 Hz^-1] over [Hz]), using welch's method and am trying to translate this to an approximate eddy diameter. This is...

26 November 2020 8,108 2 View

How can I measure the bacterial growth in a wet fabric in a petri dish?

I have to measure the growth of the bacteria in a piece of fabric for my senior design project. I don't know how to measure it. The only way that I know is by the naked eye or by the microscope....

23 November 2020 2,897 6 View

Why do high-order modes move with higher speed than low-order modes in the step index optical fiber?

Hi everybody! I am working on my diploma thesis regarding eye endoscope. I would like to know more about the origin of speckles in the multimode fiber. I suppose that the speckles depend on fiber...

08 November 2020 6,313 6 View

Does anyone know of cases of complete eye evulsion (eyes jumping out of their sockets) in ancient or medieval sources?

01 November 2020 1,234 3 View