How can I simulate a droplet motion on a digital microfluidic chip using COMSOL Multiphysics??

Hi, I'm trying to simulate a DMF (digital microfluidic) chip in COMSOL Multiphysics 5.5. I used a 2D model and selected two phase flow, level set and electrostatic modules to simulate a droplet on...

26 September 2020 1,392 6 View

How can variables be clustered in few dimensions?

30 participants have given 50 adjectives (maximum 3 adjectives from each participants) for a phenomena. Now I want to to club/cluster these 50 different adjectives in fewer (say 8-10) adjectives....

24 September 2020 9,889 5 View

How to recycle Sodium Iodide?

Hi, I am using sodium iodide to separate density carbon fractions of my samples. I want to recyle it for further uses. While searching I only get the process to recycle sodium polytungstate (at...

20 September 2020 9,556 2 View

Statistical Analysis test?

Dear researchers, How to know which and how many statistical test to apply for the collected data while doing research as we have lots of parametric and non parametric test available especially...

09 September 2020 688 3 View

SPSS extension plugin?

Dear researchers, I have downloaded BreuschPaganAndKoenkerTest.sps file and wanted to add it in the Analyze/Regression tool of SPSS version 23 but when i go through the utillities/install local...

31 August 2020 4,603 8 View

Can excess doping in a p-type semiconductor produce enough internal electric field exhibit Franz-Keldysh effect leading to band tailing?

Can excess doping produce enough internal electric field in a p-type semiconductor to exhibit Franz-Keldysh effect leading to band tailing? What could be the nature of such internal electric...

30 August 2020 8,103 2 View

About Programming Language?

Which programming language is best for Hydrological modeling (e.g. climate change impacts studies)?

23 August 2020 5,208 17 View

What is the mechanism of Burstein - Moss blue shift in heavily doped p-type INDIRECT BAND semiconductor?

What is the mechanism of Burstein - Moss blue shift in heavily doped p-type INDIRECT BAND semiconductor? Initially in p - type semiconductor, the Fermi level is closer to valence band. Due to...

20 August 2020 289 4 View

Which database should I use for systematic review?

If one one wants to conduct a systematic review in the field of psychology and specifically in cognitive functioning what will be the valid database, acceptable to reputed journal?

27 July 2020 6,812 4 View

What are Vocational Educational Theories for my research topic given bellow in the description ?

THE IMPACT OF POSTWAR CONSTRUCTION INDUSTRY DEVELOPMENT IN SRI LANKA: THE CASE FOR SKILL SECTOR DEVELOPMENT PROGRAMS

26 November 2019 2,639 3 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

What pH condition required to coat APTES on silica coated Fe3O4?

It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?

26 February 2021 1,760 8 View

My silica gel column dried can I somehoe save the trapped matter?

I tried to separate my substance from a protein in a sillica gel column. By mistake, it dried and cracked. Can I save the trapped substance? Can I repack it ,or at least elute all of the trapped...

22 February 2021 1,789 3 View

Amorphous silica XRD peak at around 10 degree?

21 February 2021 3,417 5 View

Reaction condition to convert NH2 to COOH?

I need to couple Dopamine by NH2 end to silica nanoparticles coated by PEG-NH2, but first i need to convert the PEG-NH2 to COOH by using succinic anhydrous ... can you suggest a reaction condition ?

13 February 2021 2,768 4 View

Extraction of DNA from insect samples conserved in silica gel?

Hi everybody, can anybody suggest how to extract DNA from insect samples conserved in silica gel (in my case, mosquitoes)? Does anybody know a commericial kit which does that or a particular...

10 February 2021 3,392 4 View

What is the type or grade of ethanol used in SOL-GEL?

I'm preparing materials that will be use in SOL-GEL to produce silica gel, I will use Tetraethyl orthosilicate (TEOS) as precursor, and ethanol as solvent , but when I search to buy ethanol, the...

01 February 2021 5,153 4 View

Remove excess hydrazine hydrate?

How can I get rid of excess hydrazine hydrate 99%?? The reaction is converting an ester into hydrazide , required excess amount of HH to be done with ethanol as solvent. I removed ethanol by...

30 January 2021 7,753 4 View

What is the most efficient way to generate amorphous silica in LAMMPS?

I would like to generate multiple large samples of amorphous silica in LAMMPS. Currently I am generating it by beginning with a lattice of silicon and oxygen atoms and using a melting and...

28 January 2021 6,128 4 View

How best can one separate n-hexane-soluble fraction of plant extract that binds strongly to silica gel columns and what are the possible compounds?

I wanted to elute n-hexane-soluble fraction of a plant extract in a silica gel column using different proportions of dichloromethane/n-hexane. The bands separated visibly initially but moved only...

18 January 2021 9,270 3 View