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

What condition required for coating of Fe3O4@SiO2 by using APTES?

I tried coating Fe3O4@ SiO2 by using APTES in 5% water-ethanol but it is not coated. Kindly suggest a solution for it. Thanks

24 February 2021 5,992 4 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

Is it possible to design digital all pass filter for specific frequency range of the system?

I would like to know, Is it possible to design digital all pass filter for specific frequency range of the system to alter the phase of the system in that specific range of frequency? If yes how...

26 November 2020 1,402 5 View

How to purify Plasmid DNA after RNAse treatments and Restriction enzyme digestion for high yield Capped RNA Transcription ?

I tried phenol/chloroform purification method with 2 microgram DNA after RNAse and Restriction enzyme digestion but I am not getting enough quantity of plasmid DNA at the end. I am just getting...

25 September 2020 7,591 4 View

I am doing for Protein-ligand MD simulation using Gromacs but facing some problem during Ligand Topology step. How to resolve it ?

after running python3 cgenff_charmm2gmx_py3_nx2.py LIG lig_fix.mol2 lig.str charmm36-jul2020.ff I am getting following error: error in atomgroup.py: read_mol2_coor_only: no. of atoms in mol2 (44)...

30 August 2020 4,546 3 View

In some CP patch design the polarization changes for LHCP to RHCP, What should be the possible reasons?

I have designed a dual print dual cp antenna, identical patch on both side of the substrate (placed side by side), on analysis, it is found it is showing LHCP in one band and RHCP in another band....

04 August 2020 5,136 3 View

In dual band antenna why the gain in upper band decreases?

In some printed antenna designs, generally, the gain in the upper band is larger than the lower band. However, in some cases (in my design having printed circle on both side of the substrate like...

03 August 2020 5,802 5 View

How to cap the maximum amount of reinforcement addition to make a polymer to be thermally conductive?

Addition of reinforcement with very high thermal conductivity (ex. graphene) would enhance the thermal conductive value of the developed polymer composites. How would one cap the maximum weight...

21 June 2020 9,303 11 View

We are facing rotten problem in kesar mango near mouth of it. What may be reason for that?

We are doing natural farming of kesar mango. This year we are facing rotten problem in mango near mouth of it. Last year it seems good. For this reason we are facing problem in selling if it....

02 June 2020 5,277 7 View

can I treat waste water containing solvents and alcohol with electrocoagulation?

there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...

27 February 2021 2,609 3 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

Can explain this diagram to me, is this the average consumption curve for one day or the total consumption of days in a month summed up in specific?

The hourly load curves of the selected household in each season are shown in Fig. 28. Figure 28 shows the demand for electricity in four months on an hourly basis. Can you explain this diagram to...

08 February 2021 657 16 View

How do you prepare a porous crosslinked Polyvinyl alcohol and Glutaraldehyde membrane or film?

I am trying to prepare a Polyvinyl alcohol membrane for carbondioxide adsorption

08 February 2021 7,493 3 View

What are the naitve functions of bacterial NRP?

The bacterial NRPs (nonribosomal polypeptides) are famous as clinical drugs such as antibiotics, but is there other native function of these NRPs of bacteria except antimicrobial, because their...

01 February 2021 4,280 1 View

Is there a faster way of removing and collecting the carbon nanotubes on the surface of the stainless steel 304 plates other than sonification?

The usual way of properly removing and collecting carbon nanotubes (CNT) is to sonicate the stainless steel plates coated with CNT under isopropyl alcohol (IPA) solution, remove the plates after...

28 January 2021 9,455 1 View

How can I prepare 300mg/L concentration of lead(II) nitrate ( Mol. Wt reffered is 331.21) incoorporated Luria-Bertani (LB) agar ?

I need to check the Heavy metal (lead) consumption assay using microbes at varying concentration in same media. ( 200mg/L to 2000mg/L).kindly help me to clear it.

19 January 2021 1,946 9 View

Can you recommend literature on factors influencing public acceptability and political feasibility of consumer-related regulatory policy instruments?

I'm looking for research on factors that influence the public acceptability / acceptance / support and the political feasibility of regulatory ("command & control") policy instruments mainly...

08 January 2021 3,579 6 View

I accidentally poked my finger with very thiny tweezers after I used them to remove a slide from A549 cell culture??

I accidentally poked my finger with very thiny tweezers after I used them to remove a slide from A549 cell culture. I got poked after sprayed them with 70 % alcohol and dried them right away. Is...

07 January 2021 9,412 2 View

What can I use as a proxy for renewable energy consumption ?

I have no access to renewable energy consumption data, what can I use as a proxy in order to run a regression analysis to see the impact of renewable energy consumption on growth?

02 January 2021 6,556 6 View