Which are the journals for free paper publication?

A bunch of flower for everybody. I would like to ask about the list of journals which we can publish our paper for free. Thanks in advance. Sincerely Walid

25 February 2021 9,790 3 View

C-4 I cervical cancer cell line tissue culture protocol?

Hi there! My lab has been brought an array of C-4 I cell line. The cells did not succeed in attaching to the bottom of the flask and remained floating in the media. Although we followed the...

04 February 2021 10,018 5 View

When we regulate by tricolor light signals in VISSIM, should we make all the conflict zones inactive?

hi everyone, I have developed a simulation of a roundabout with a fixed time regulation, the lines of traffic lights in the roundabout are for vehicle storage. my question is: when we regulate by...

16 December 2020 1,923 3 View

Need help in vissim VisVap ? pedCrossing ?

Hello everyone, hope you are doing well. I made a simple traffic actuated control logic using VisVAP Stage 1 is for Vehicle Stage 2 is for Ped the compilation in VisVap run with success, but...

07 December 2020 553 3 View

Shall I use dropout or not in my case?

24 October 2020 9,262 7 View

Which universities give scholarships to international students with full tuition ?

There are many universities that have excellent scholarship opportunities for international students.

21 September 2020 3,391 4 View

Compound identification probleme?

good morning, I found some difficulties to identify a compound extracted from a medicinal plant and analyzed using LC-MS/MS. I can't find the compound name in databases peaks (m/z) and intensity...

15 July 2020 5,669 3 View

Why we got more than one repeat for each primer used in NGS applied for DNA sequencing from each sample of date palm tree ?

Our project objective is to investigate the genetic diversity of Palestinian date palm, cultivars. 6 primers were ordered, these primers were designed specifically for NGS analysis. DNA was...

06 February 2020 695 2 View

Why must deep-cycle batteries be used in solar power systems?

Two 12 V, 250 Ah batteries are connected in series and then connected in parallel with two more series-connected batteries of the same type. What is the total output voltage and Ah rating of the...

02 February 2020 1,821 3 View

Which type of charge controller is the most efficient that decreases the charging time and produces a better match between the panel and the battery?

The DC/AC converter, the transformer, and the AC/DC converter isolate the dc input from the dc output, so the output can be adjusted for maximum power. For example, if a 160 W solar panel produces...

15 January 2020 7,844 4 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 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 best wash a 96-well plate containing microplastic?

I am planning my protocol for my dissertation for an experiment quantifying bacterial (E. coli) biofilm formation on micro-plastic (5mm discs of polyethylene bags) by conducting a crystal violet...

23 February 2021 7,868 2 View

Are there any known solvothermal methods to synthesize MoS2 nanosheets using solvents other than water (like ethanol/ethanol-water mixture) ?

I need to synthesize MoS2 nanosheets by alternate methods without pure water as a solvent.

22 February 2021 9,246 1 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

Can ethanol be used as an analgesic?

If ethanol has analgesic properties, why isn't it used for clinical purposes?

18 February 2021 8,227 4 View

What is the best way to isolate Hydrolysable tannins on Sephadex column?

I am currently preparing to isolate polyphenolics (Hydrolysable tannins) from aqueous extract of a plant. I want to set up a small sephadex column to guide the major isolation on a laerge...

18 February 2021 1,455 3 View

Can any suggest me good method of GC MS for the separation of Flavonoids?

I prepared the ethyl acetate, ethanol and butanol fraction from the ethanol extract of seed for isolation of Flavonoids. Amongst them ethanol fraction showing shinoda test positive for polar...

13 February 2021 8,263 3 View