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

How do I categories into groups on SPSS?

I am using the 'Revised Cyber Bullying Inventory'. This instrument has 2 sub-scales (bully scale and victim scale). From the responses, they will be divided into 4 groups (pure cyberbullies, pure...

13 February 2021 5,787 4 View

I want some expert (free) advice and guidance in interpreting depositional environment from well logs in a deltaic setting. Anyone ready to help?

I am looking into the geophysical well logs from a coaliferous basin in India. I need some help in depicting the depositional environment from well logs.

02 February 2021 6,052 3 View

(ORGANISATIONAL FACTORS ) request for study instrument?

i am currently conducting a study to assess bullying behaviors on student nurses during clinical placement . My objective is to explore organisational factors that influence bullying behaviours at...

25 January 2021 8,676 1 View

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28 December 2020 2,571 3 View

What are the negative aspects of the COVID-19 epidemic on the well-being of young people who are unemployed?

What has been your experience in your respective country?

22 December 2020 663 3 View

How Healthcare Personnel help frontline workers cope with stress and mental burden during COVID-19?

Which methods does they suggest to ease the burden and stress as a teamwork?

09 December 2020 9,605 7 View

Traits of mentally healthy individuals?

What are characteristics of psychologically healthy people? Thank you.

09 December 2020 4,243 28 View

Special Issue: New HRM Models for Supporting Managing Emotional Labour During Emergencies?

IJHRM has called for a special issue on the subjected-topic. If anyone is interested in working on this special issue, please contact me. Scholars should have a grip on comparative analysis and...

09 December 2020 8,784 4 View

How to interpret hierarchical regression when a predictor is no longer significant after new variables are added?

Hello everyone: What does it mean when a variable is significant in one step but then in the next step it's no longer significant? For example, in this article...

29 November 2020 7,354 3 View

I teach a STEM career course for IT majors at a small liberal arts school. I am looking for collaborators/information sources for a new book ?

Looking for collaborators/info sources for a new book I am writing in the career/life coaching field on "Adult Bullies". Most research has been done on childhood bullying, however they eventually...

27 November 2020 6,532 1 View