Does wireless charger system need (ceramic) capacitor that shows frequency-independent dielectric constant and low dissipation factor?

i really want to know that ceramic capacitor having frequency-independent capacitance and low loss tangent can be used in wireless charging system. which part those capacitors can be replaced? is...

21 November 2018 1,782 1 View

How can I get clear plant tissue with phloroglucinol staining?

Hi, I am trying to observe lignin through phloroglucinol staining with arabidopsis (petal and sepal). The protocol I am using : 2% phloroglucinol in 100% EtOH , O/N...

31 October 2017 1,975 1 View

How i could get the 'wavelength-dependent pl' data??

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28 October 2017 3,355 3 View

High temperature mechanical response of Inconel 625?

I am seeing some strange constant fluctuation of force during a high temperature tensile testing of Inconel 625 only at the temperature range in between 500 and 800 as shown in the attached image....

28 September 2017 399 2 View

Do I have to make longer or shorter primer when the PCR is not working

15 August 2017 4,819 24 View

How can I control the amount of used TiO2 when I make a TiO2 film by using TiO2 paste via Doctor Blade method at each FTO film?

13 June 2017 9,437 2 View

Gel electrophoresis of riboprobes after in vitro transcription supposed to show single band or multiple bands?

Dear all, I am trying to set-up a RNA in situ hybridization experiment. I am reading several protocols for that, and I found one paper says 'if in vitro transcription is performed well, you will...

23 May 2017 4,168 1 View

I wonder why ammonia was added to hydrothermal synthesis of la2O3.

I wonder why ammonia was added to hydrothermal synthesis of la2O3. At this time, the pH is 6 to 10. hydrothermal synthesis, La2O3, ammonia

16 May 2017 7,347 3 View

What is the change in grain size with annealing temperature and time of LaFeO3?

What is the change in grain size with annealing temperature and time of LaFeO3?And I wonder about the annealing temperature and time at which grain size changes begin to be observed. perovskite,...

09 May 2017 4,642 2 View

TiF4 is known as a very hygroscopic reagent. Can I use TiF4(Titanium Tetrafluoride) in the air?

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27 March 2017 4,521 2 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

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

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

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

How to do a surface treatment of uncoated TiO2 with polymer?

Basically, I would like to know how to treat or coat on the uncoated bare TiO2 (Ti-OH rich) surface with polymer which has anchoring groups in the polymer structure like trimethoxygroups. What is...

21 February 2021 4,657 6 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

What properties of water shall be analyzed and evaluated to test the effectiveness of activated carbon?

I would like to ask what other properties of water (pH and such) shall be analyzed and evaluated to test the effectiveness of activated carbon from filtering the contaminants present in the water?

20 February 2021 9,422 8 View

How can I measure the surface interaction or surface interfacial chemistry between polishing abrasives and upper surface of substrate ?

I am working on polishing abrasives. I need to do few characterizations ? which can provide the on time surface chemistry of substrate with polishing abrasive during optical polishing. I would...

18 February 2021 5,319 3 View

Unusually Busy Raman Background?

Hello, I am observing a nearly periodic background spectrum for a wide variety of SERS substrates. I see this response (attached below) for bare Au films, Cu films, and Au nanoparticles on...

15 February 2021 9,922 5 View