Is there any ingredient I an add into formula to slow down gas generation from Vitamin C?

I know Vitamin C is unstable and tends to be oxidized quickly. The problem here is I made a Vitamin C beverage at pH 4-5, and it starts to generate gas in the packaging, especially at high...

13 December 2020 6,055 1 View

Do you have experiences or publications on the nonlinear vibration analysis with Rayleigh-Ritz method?

Our research is turing to nonlinear vibrations of plates and solids of acosutic wave device strcutures. It is high frequency vibration, and associated phononmena can only be considered with...

01 December 2020 4,315 4 View

How can purify amount of ssRNA except gel purification?

06 October 2020 6,771 3 View

Low yield with HCl in chalcone synthesis: Why?

Hello, I can't understand why a low yield is obtained with the use of HCl in aldol condensation in acid catalysis for the synthesis of hydroxychalcone.

28 July 2020 7,853 5 View

Shutdown of the BESA Research 6.0 when I apply the 'Automatic Artifact Correction' to correct artifacts of eye blinks in an 8-channel EEG data.?

Thank you for taking the time to read this. I have an EEG data recorded by an 8-channel wireless system. I want to correct the artifacts of eye blinks using the 'Automatic Artifact Correction'...

06 February 2020 4,744 1 View

Non-specific optical stimulation of parvalbumin (PV) neurons - Any possible causes?

Hi all. Recently, I encountered a problem regarding the optogenetic stimulation experiments. In our study, we are using the blue laser (473 nm) to optogenetically stimulate parvalbumin (PV)...

05 February 2020 8,253 11 View

What is the most recent agricultural model for grape/berry yield prediction?

Dear all, I am trying to create a machine learning model for grape/berry yield prediction based on some agricultural model, so would be great to hear any suggestions in relation to this area....

14 January 2020 9,008 5 View

Bicrystal fabrication company?

Hello. I am looking for a bicrystal fabrication company. My major is focusing on the exploration of grain boundary structure. And thus for a model experiment I need metal*or ceramic**...

08 January 2020 4,038 3 View

How to write a bus signal to workspace in Simulink?

I am facing a problem in Simulink. When I want to write a bus signal to workspace in Simulink, I fail. The next time I use a bus selector to select some signals in the bus and then write into the...

06 January 2020 10,036 3 View

Parameter output in spss for plum procedure, ordinal regression?

my version 26 of SPSS for PLUM ordinal regression, produces an output of parameter estimates that indicates the location but uses categorical codes. My predictor is categorical with four levels,...

19 December 2019 1,232 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

What is Nano technology with coronavirus helpe the human..and is it nano mterals removal of covid19?

I anwar by adsorption or reaction ..but it is either more method...

02 March 2021 4,811 2 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Zno nano particles colour changed from white to grey in process of calcination any suggestions?

In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...

26 February 2021 2,435 4 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

How can I simulate the optical absorption spectrum of a biomaterial (like DNA or protein) in COMSOL?

I need to simulate the optical properties of a biomaterial, namely DNA, in COMSOL. Basically I need to simulate the IR absorption spectrum of a cylinder filled with a 'concentration' of DNA. I am...

21 February 2021 3,043 3 View

In methylene blue test Why is UV absorbance reading very low as soon adsorbent is added and then increasing before reaching equilibrium?

Hello, I'm working on removal of methylene blue. 01. in the dark test very first reading is taken 15 minutes after adding adsorbent to the dye solution and that UV absorbance reading is very...

19 February 2021 472 5 View