Who desires to Collaborate on Natural Products?

More Taibi Ben Hadda's questions See All

How to improve results of system identification procedure?

Hello, I'm performing system identification of the lateral closed-loop dynamics of a quadrotor. My model receives a setpoint and should return position and acceleration. I've proposed a second...

07 February 2021 9,791 2 View

What is the maximum time duration allowed between photoresist coating and exposure?

I have coated the Silicon wafer with photoresist (AZ1518) but until the exposure (Laser Writer) I had to wait for more than a week (Laser Writer was not operative) - would the photoresist still be...

03 January 2021 9,640 4 View

What would happen if all nitrogen atoms in DNA were replaced by Carbon atoms ?

The DNA molecule is in the form of a double helix, The atoms which compose it are carbon, nitrogen, hydrogen, and phosphorus

02 January 2021 4,402 3 View

Which is more important for a journal? The impact factor or the quartile ranking?

I always found confusing both concepts! Which one do you think is more important? I give an example: The journal of "Theoretical and Applied Climatology" has an impact factor of 2.88, but it's a...

01 December 2020 8,608 19 View

Who can collaborate with us?

Salam (Hello)! We have prepared some new compounds with important potential to inhibit viruses. We are interested in inhibition of Hepatetis-B/C, Nipah, Nil and coronavirus. Who can collaborate...

22 November 2020 3,850 14 View

What is the most effective way to transfect HAP1 cells?

I am starting a project with the HAP1 cell line and previously our lab has had difficulty to transfect them. -we have nucleofection equipment - but have only been getting ~10% transfection -i...

19 October 2020 5,340 2 View

What effect do epidemics have on cerebral physiology?

How trauma and fear of infection can affect brain functions and structures?

10 October 2020 6,642 1 View

What are the XRD analysis conditions of the cement, sand and Limestone ?

I am a Phd student and I need to do XRD analysis on my pouder samples namely ( cement- sand- limestone and calcined clay). I was asked asked to specify the analysis conditions: -the nature of...

07 October 2020 5,737 6 View

Why I couldn't obtain a gel from APTES? Does the Amine group affect the gelation process?

I am trying to make a gel from APTES as a precursor using the sol-gel reaction. I tried different solvents (ethanol, acetone, DMF) and different catalysts (basic and acidic) with different...

03 October 2020 9,673 5 View

Best meta-analytic approach with Mean, SD, Sample size for regional values of MRI measure?

I'm interested in evaluting the evidence in the literature I've collected for spatial/anatomical variation in an MRI measure. The data consists of mean values, standard deviations and sample...

14 September 2020 8,910 1 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Do anyone here can help us in the field of molecular docking?

We have synthesized various metal complexes with different environment around the metals. Now to see the application of synthesized complexes we need this study also. we are also interested in...

01 March 2021 1,899 2 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Did anyone perform CD107a degranulation assay without the use of inhibitors like monensin?

I am planning to perform a degranulation assay using CD107a antibody. Some resources suggest to use inhibitors like monensin to inhibit the intracellular traficking and acidification of the...

21 February 2021 6,260 3 View

Jean Noel Nyemb

I'm interested to collaborate with you in this project.