Synthesis of black TiO2 powder by vacuum calcination?

I have synthesized TiO2 powder through sol gel method. I tried to do calcination of this white TiO2 powder under vacuum at 500 deg C. No change in colour was observed. Is this normal? because I...

20 August 2020 5,425 4 View

Can anyone help me with the simulation file of diode switched multilevel inverter ?

input is in the ratio of 1:2:3:7.i am attaching the circuit diagram of the inverter

24 September 2019 7,741 3 View

I am preparing black TiO2 by sol gel method. How to obtain very fine particles after calcination by sol gel method?

Hello everyone, I am actually carrying out my research in the synthesis of Black TiO2 by sol gel method. Took TTIP in Diethylene Glycol as precursor and later did hydrolysis leading to formation...

10 March 2019 1,559 4 View

Are the nanoparticles formed by sol gel method indeed in the nano size range?

I am trying to make black TiO2 by sol gel method. In this I am taking a titanium precursor (TTIP) solution in diethylene glycol followed by its hydrolysis and condensation to form a gel. Drying...

27 February 2019 6,172 5 View

Whether "lattice parameter" and "lattice constant" are refering to same constants like a,b,c in crystals?

In crystal structures, the lattice constants are defined as "a", "b" and "c". In few literature(s), the "lattice parameter" is used. Are they same?. Is there any difference?.

27 January 2019 7,088 4 View

What is the minimum cDNA template amount to use for BioTaq Polymerase reaction?

I am doing a PCR with BioTaq polymerase enzyme from Bioline. I am not seeing any positive bands on my gel. Does anyone know the minimum amount of template to use for this enzyme reaction?

15 October 2018 1,316 3 View

How useful is RIN value when you send out total RNA for miRNA sequencing?

I am extracting RNA from mouse tissue and would like to send the samples for sequencing, particularly looking for miRNAs in the samples. How useful and resourceful is the RIN value when the...

05 June 2018 3,300 3 View

Are there any specific microglial and astrocyte markers for primary cultures from postnatal mouse pups (P4-P7)?

Hi all. I am culturing primary astrocyte and microglia cells from postnatal mouse pups (P4-P7) and we are interested in looking at the gene expression specific for these cells types at this age....

06 March 2018 3,867 6 View

Can anyone share their experiences working with triple negative cell lines to screen for bioactivity?

Hi, I would like to hear suggestions about choosing cell lines for screening of small molecules. I understand that the common cell line used is MDAMB231. I also notice that use of MDAMB435 is...

09 February 2016 6,043 3 View

I am trying to run a flow cytometry experiment with MDAMB231 cells to do a cell cycle analysis. But why do I not see any cells when I run them?

06 August 2015 2,210 5 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

How could I do a simulation for the energy consumption of a CNC machine?

I'm working on my dissertation and it is about how to save energy when a CNC machine goes to idle mode. (A concept model of the idle machine energy saving in industrial manufacturing...

26 January 2021 9,620 5 View

Is it possible basic matrix material having higher material removal it's corresponding composites materials In wire EDM process ?

Actually, I am working with Al-B4C- Al2O3 hybrid composites. I have performed the operation by utilizing the wire EDM process to my developed composites. I found alloy 6061 as a base matrix having...

21 January 2021 7,381 3 View

Micro CT of fiber reinforced composite - phase identification?

Hi, I have a fiber reinforced polymer matrix composite and I am analyzing it by micro CT but I am unable to reconstruct the fiber phase of the composite. how can I find a solution for this?...

07 January 2021 5,680 1 View

What are the reliable open source software for finite element analysis?

I am interested to work on the finite element analysis of materials behavior during machining operations.

27 December 2020 5,750 18 View

Advance Manufacturing Technologies?

I am looking some research papers about Advance Manufacturing Technologies.

07 December 2020 2,152 5 View

No title

29 November 2020 544 12 View

Why abnormal thrust force was generated in simulation of CFRP drilling?

I am doing some simulations of drilling carbon fiber reinforced plastics (CFRP) with Abaqus/Explicit. 3D Hashin's damage model with damage evolution has been defined for the CFRP composite. The...

20 November 2020 6,715 1 View

Why thrust force, temperature and surface roughness increase with feed rate in Machining?

Reasons why thrust force, temperature and surface roughness increase with feed rate in Machining?

17 November 2020 873 4 View

Which are the drawbacks of using a medical CT for scanning fossils?

I am in the need of scanning some fossils for analyzing their inner structure. Unfortunately I don't have access to a proper CT or micro-CT of industrial use that suits nicely fossils and neither...

16 November 2020 1,748 6 View