Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

Can publishing a prepublished research as a new book chapter be acceptable in the academic world?

Research papers are in brief, book chapters are in detail. Can publishing a prepublished research as a new expanded book chapter be acceptable in the academic world?

19 March 2020 6,221 9 View

Why does the universe expand despite self-gravity?

We are in an expanding Universe as per the big-bang cosmology. Does it really mean that the outward thermal pressure now beats the inward gravitational pressure in the Universe? What is the exact...

14 March 2020 4,196 37 View

What are the different projects launched with a strong mission to make knowledge globally free?

What are the different projects launched with a strong mission to make knowledge and its resources globally free so that unprivileged and underprivileged scholars could pursue higher education in...

28 December 2019 9,526 3 View

How can we prevent ear-problems often encountered by passengers after a flight journey?

The vertical atmospheric air pressure differences encountered during flight journeys often create ear-problems well realized by passengers after landing. How can we prevent them easily?

26 November 2019 9,015 12 View

What is the significance of dynamical system analysis in cosmology and dark energy study??

What is the reason that we modify our system as dynamical systems while studying dark energy? And further, what is the criteria for choice of the dimensionless variables x,y,z.??

29 September 2019 7,687 1 View

How to get low energy model Hamiltonian of a material from DFT calculation?

I need to find the low energy model Hamiltonian for a material (semimetal). I heard that this is possible by using Wannier90 clubbed with VASP or QE. It would be very helpful for me if someone...

18 September 2019 6,649 2 View

What are the additional advantages that a Fano resonance possesses in comparison to normal dipolar resonance in Optical systems?

Fano resonance is a distinctive spectroscopic behavior in many optical systems. There're certain differences in terms of physics and behavior of Fano resonance compare to dipole resonance which is...

30 May 2019 4,244 2 View

What is the best process for estimating Triclosan from sediment samples?

What is the best and easiest protocol for extracting Triclosan from sediment and further estimation using HPLC, GC-MS or LC-MS? Please suggest some easy and dependable protocol.

15 March 2019 2,007 4 View

Do electrons and protons have independent minds to decide the directionality of gyromagnetic effects?

We have mind. We are made up of matter. Does matter have its own mind? Do electrons and protons, which are the building blocks of matter, have independent minds to decide the directionality of...

25 February 2019 2,405 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 HPLC Marker(s) should be used to detect anthocyanins in a sample?

What HPLC Marker(s) or standard is used to detect and quantify anthocyanins such as Delphinidin, Cyanidin in a given sample of plant extract?

23 February 2021 1,832 4 View

Analyze anthocyanin use pH differential method?

Hello everyone. I do my anthocyanin test for biscuit incorporated with muntingia calabura fruit powder. I use ultrasonic bath for extraction biscuit powder in metanol HCl 0,1 N (1:10, w/v),...

10 February 2021 2,970 13 View

Equation to calculate Chlorophylls and carotenoids concentrations from a MeOH:HCl 1% (v/v) plant extract solution?

Hello everybody! I have performed an acidic MeOH:HCl 1% (v/v) plant extraction from Arabidopsis leaves to calculate Anthocyanins concentrations based on: Rabino, I., and Mancinelli, A. L. 1986....

25 January 2021 3,686 2 View

Why and how to avoid negative values in optical density by spectrophotometry when measurements corrected by blank solvent?

I am trying to assess chlorophyll-a content from coral tissue using spectrophotometry (with SPECTROstar Nano, BMG). However, I always seem to obtain some negative values in my optical density raw...

20 January 2021 1,542 4 View

Does anyone know the pH-differential method?

I use the water method to extract the anthocyanidin from Peristrophe bivalvis (L.) Merr leave, then dilute 20 times with 0.025M potassium chloride, pH1.0 and 0.4M sodium acetate buffer, pH4.5...

20 January 2021 8,305 4 View

Greiner Bio or Corning Costar plates for ELISA?

09 December 2020 237 2 View

Which measurement should i use for the test of light stability? Color Value or Absorbance ?

I would like to know more about the light stability test for anthocyanin using UV light and agar solution. If we use agar solution, how can we read absorbance value? Or else can we show the light...

06 December 2020 3,538 1 View

Edu assay by spectrophotometry means?

Dear all, Have any one performed edu assay by spectrophotometric means ? I'm looking for a kit for that purpose. I have Chinese kit for this purpose, I followed their protocol but the result is...

24 November 2020 1,766 3 View

Bisphenol A in water - measuring bpa protocol using a uv/vis spectrophotometer?

Hi, I'm interested in a protocol for measuring concentration of BPA in distilled water (no interference) using a uv/vis spectrophotometer . The method found...

09 November 2020 7,012 3 View