Analytics Maturity of Logistics SMEs?

Data are important to companies. That holds for logistical companies too! With this survey we measure where logistical companies stand when it comes to "analytics". Analytics, here, is a catch-all...

13 December 2020 5,834 3 View

Do Radial Basis Function Networks trained through Gradient Descent benefit from Logistic Regression?

When training a Radial Basis Function Classifier for classification problems, we generally train the model by making use of the pseudo-inverse of the design matrix, minimizing the MSE error...

09 December 2020 2,190 1 View

Optimal storage of Sodium Fluoride solution?

Is there a specific reason why NaF should be stored above 0 degrees. Are there any research papers out there suggesting a reason?

12 March 2020 571 3 View

Angular velocity from a 2D Cartesian solution plane?

17 March 2019 9,947 2 View

What is the most efficient / effective way to determine transcription factor candidates for a known gene in humans and mice?

I am aware of the "Search Motif" tool in EPD, but am wondering if there is a way to search / automate the process rather than manually clicking through motifs listed in "Transcription Factor...

27 January 2019 4,009 1 View

How do we make sustainable design relevant to our current and future design practitioners?

It remains a truism that phenomenon of sustainability has dominated all fields of human endeavour in recent times. Nonetheless, the question remains: "How do we empower students to embrace and...

14 June 2018 9,468 3 View

What in your opinion are the opportunities and challenges of parent/professional collaboration for inclusive education?

What in your opinion are the opportunities and challenges of parent/professional collaboration for inclusive education, particularly towards learners with special-needs and disabilities ?

16 April 2018 671 6 View

Is there a way to selectively modify a polymer using a laser so it can be conjugated to an amine or carboxyl functionalized nanoparticle?

I have a nanoparticle that can be functionalized with amines or carboxyl groups. I would like to "print" the nanoparticle onto a flat polymer surface, only in regions that have been irradiated by...

12 April 2018 3,252 3 View

Are there ethical considerations in the instructional design of online courses in the context of inclusive education??

What are the most important ethical questions instructional designers should consider in inclusive online education? What are the grey areas?

10 April 2018 6,352 3 View

Are the chances of surviving a plane crash greater over land or water?

Just curious whether the chances of surviving a plane crash is greater than that of land or water, or it is the opposite? U can share reasons for your thoughts if you don't mind.

29 March 2018 7,300 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

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 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

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