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

Which one is better for use as a hand sanitizer, ethyl alcohol or isopropyl alcohol, and why ???

According to the characteristics of each

21 March 2020 307 8 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

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 View

No title

23 February 2021 4,014 3 View

How to improve dissolution of neosome?

I have made neosome from herbal drug. Neosomes are stable. But I face problems in dissolution. I used minimum ratio of 1:1:0.25 ( Drug:span 60: Cholesterol and GMs. Now how can I active better...

17 February 2021 3,584 1 View

How can I dissolve Sodium carboxy methyl cellulose powder in Normal Saline solution and water?

I need this solution for my research work. I am facing problem in dissolution of CMC powder

30 December 2020 5,157 2 View

Dissolution study on nano co-crystals ?

Hi, SO I prepared nano co-crystals and I have done a dissolution study on them, the thing is I'm getting 130% of my co crystals at the end of dissolution which doesn't make sense !! I have...

26 November 2020 8,816 4 View

How can I dissolve biphenyl in carbon-free minimal salt media effectively?

I prepared a 5X of M9 minimal salt and 1000X elemental trace and mixed these 2 solutions to produce carbon-free minimal salt media. Biphenyl was used as a carbon source but was prepped separately...

20 November 2020 5,904 5 View

Why DMEM color is changed?

Why the pink color will change to yellow, when the DMEM media is frozen? however after dissolution in room temperature, media color will change back into pink.

26 October 2020 708 2 View

Synthesis of Chitosan Nanoparticles with Encapsulated Betain?

Hi, I synthesized the chitosan nanoparticles with encapsulated betaine but the quantity I obtained was much less than expected. I took 20mg betaine and dissolved it in 1ml ethanol because it is...

29 September 2020 8,181 3 View

What methods are used to stop the rate of dissolution of magnesium (its alloy) in physiological solution?

Hello colleagues, It is known that rapid dissolution of orthopedic implants is dangerous. What methods are used to stop the rate of dissolution of magnesium (its alloy) in physiological...

29 September 2020 1,877 5 View

Can I use Electra 92 (AR-PC 5091.02) coating with negative ma-N 2400 resist for EBL?

I use ma-N 2400 resists in my processes to create EBL structures on thick insulating layers (SiO2). Starting from some thickness of SiO2 (about 1 um) I faced the charge issues which completely...

28 September 2020 1,021 3 View