Mechanism behind change in particle morphology in hydrothermal synthesis?

Why the particle morphological changes during hydrothermal synthesis with change in alkali(KOH) concentration...remaining oxide concentration and temperature and dwell time kept constant...

01 February 2019 2,620 4 View

Hole and electron scavenger in photo catalysis?

I am doing degradation of dye using catalyst under visible light, I want to find the mechanism for the reaction, I have found that IPA acts as a OH radical scavenger and EDTA acts as a hole...

10 November 2018 3,790 0 View

Why PL peak intensity increases with dopant concentration?

For a ferroelectric sample with varying doping concentration (0-10 at%), I have observed that PL peak intensity is increasing with dopant concentration. What is the possible reason for this...

03 April 2018 5,924 2 View

What are the reasons for a change in powder morphology ?

what are the reasons for a change in powder morphology in a pervoskite system (ABO3)...I replaced some amount of A(+1) with A(+2) after calcination, I have observed the change in morphology from...

11 December 2017 3,890 3 View

Efefct of particle size on band gap of a material?

11 December 2016 7,406 6 View

What is the best method for measuring UV-visible spectroscopy for a ceramic sample?

05 June 2016 9,490 8 View

What is the accepted procedure for measuring UV Vis spec for a ceramic sample ?

05 June 2016 5,571 3 View

What is the role of Ni in reducing band gap of a KNbO3 based piezoelectric material?

Piezoelectric material which I'm using is KNbO3 based...I'm doping Ni in place of Nb. I want to know on how Nickel will aid in reducing band gap..

04 May 2016 1,543 1 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

Which fluorescent dye to use for measuring total ROS production?

Is DCFDA appropriate for measuring total ROS production, or can it only detect certain types of ROS? If I want to measure total ROS production, which dye should I use?

01 March 2021 9,447 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 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

Is there anyone who experienced with cytotoxic effect of Hoescht 33342 dye?

Is Hoechst toxic to cells? In general, it is known as non-toxic. I am working with dsRED MDA-MB-231 cell line. I applied it for my PDMS-based microfluidic platform, for this reason, I incubated...

26 February 2021 9,119 3 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

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View