Do you think that vaccine effective in new strain of covid-19?

may be effective

25 December 2020 6,154 5 View

How to grow yeast BY4743 with XX::MX4 - which medium components are needed?

I want to grow yeast (BY4743) with a certain knock out (deletion), the deletion cassette is KANMX4. I assume I have to use 200mcg/ml geneticin. But can anyone explain step by step how i have to...

19 November 2020 3,434 3 View

Do you think that's nanotechnology is effective for COVID -19 therapy ?

its effective if we find the effective medication

04 October 2020 1,889 10 View

How can i keep my Phenol in water solution saturated?

25 September 2019 5,766 5 View

Is there a way to eliminate non-spesific binding of HA-tagged proteins to M2 agarose?

Hi all, Im performing co-IP with Ha-tag protein lysates as prey. My problem is when i incubate M2 agarose + HA tagged protein lysate OR Ha-agarose+ flag-tagged protein lysate, my protein of...

21 January 2019 6,035 3 View

Which order is right-1 oral presentation 2 manuscript; or 1 manuscript 2 oral presentation ?

I want to present my work as oral presentation in an International congress which they will publish the summary in an International journal. If I publish this study as an full text article in a...

22 June 2018 4,518 2 View

Are there any ELISA Laboratories using SIEMENS Advia Centaur XP having troublesome Standard Deviations while measuring internal HBeAg controls?

03 January 2017 5,009 3 View

Hba1c result different between boronate affinity and HPLC method?

When comparing HBa1c analyzer in our laboratory we compared 120 patients results with each other? We performed the study in 2 same brand boranate affinity and two HPLC analyzer. All the patients...

21 March 2015 8,779 2 View

Do the dead-end streets facilitate or feed crime in their zone?

What do you think about dead-end streets? Some believe that guilty people can easily hide themselves in these streets and also they can create a closed circuit are with the help of the dead-end...

23 October 2014 3,187 15 View

Online surveys for social sciences researchs: what are your opinions about this tool and how can we improve the research design to incorporate online?

Good morning everyone, Due to the pandemic, I conducted several online surveys. It is quite agile, not at all expensive, but there are several problems: the sample's representativeness and its...

21 February 2021 7,457 3 View

ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View

Hi, can a variable in a questionnaire be measured with a series of questions or it has to one question for one variable?

I am doing research on the impact of competitive bidding on project success and would like to use SEM. Project success shall be: cost overage, completion time, quality of works and variation...

13 February 2021 4,413 6 View

Why non-specific band appear on T-ARMS PCR?

Hi everyone. We want to know how can I remove the non-specific band amplification on this variant. Although the amplification of non-specific band is not as intense as the band that we want, but...

09 February 2021 588 2 View

What is your opinion regarding opening of school? Now students are supposed to join school. Do you think that decision is in the interest of society ?

From long Pendamic now government is opening school and colleges on for off line classes. What do you think that this decision is fruitful to the students and society too?

08 February 2021 3,068 6 View

Fractional derivative users, are you on the same page with me on the validity of the fractional order parameter, say alpha?

Taking a fractional ODE problem as an example. It has come to my attention that if the fractional order parameter is in the interval (0,1], many only presents results for alpha=0.9, 0.99. I saw...

08 February 2021 9,671 3 View

Looking for a scale to measure attitudes towards violence against women and the factors that impact attitudes in South Africa?

I am interested in doing research on attitudes towards violence against women and the factors that impact attitudes in South Africa? Does anyone know which attitude scale I can use to measure...

06 February 2021 3,076 1 View

To what extent do I need to justify my control variables?

Hi everyone, I am writing a research proposal for my masters applications and am in dire need of guidance. I suggest to quantitatively investigate the potential correlation between feminist...

05 February 2021 3,666 8 View

Is the use of "multivariate " or "multivariable" was correct in multiple responses study ?

In statistics most of the time, we use these two-term exchangeable, but in my opinion, there is a difference between them. Please suggest your opinion

04 February 2021 7,407 7 View

What are the things you should keep in mind while designing a controller for a quadrotor and want to implement it on hardware (via arducopter) ?

I am designing a flight controller for a quadrotor. At first I am designing a nested/cascaded controller consisting of only proportional controllers Kp . Now, if i tune the rate controller for 10...

03 February 2021 5,001 3 View