What the Scientific reason that cause fast spreading of corona virus through short time?

Despite there are many viruses, bacteria, germs, nanomaterial in atmosphere, but corona virus can be spreading fastly

29 December 2020 3,800 9 View

Preparation of the mix for Standard PCR (without using a kit)?

Hi, Please anyone already prepared the mix for Standard PCR? But without using a commercial kit. It is for staphylococcal enterotoxins genes. I am looking for the concentrations of each...

08 February 2020 4,487 6 View

What is the best media/solution for preservation or transfer of samples from the gingiva for bacterial identification and PCR? is TE buffer enough?

I have read many researchers used VGMA III and Stuart media but we don't have these media in the lab right now and would like to process my samples quickly. would appreciate your advice regarding...

11 March 2018 9,244 3 View

Carboxylic acids..chemists supposed to be here?

19 March 2016 8,123 8 View

Can anyone help with transfecting immortalized cornea epithelial cells with miRNA mimic using lipfectamine?

Hi All, Do you add the lipofectamine miRNA mix to the media which the cells are already in or remove the media and just add the lipfectamine-mimic mix in OPti-MEM media. And I also need to know...

23 June 2015 1,174 2 View

What method is most suitable for water annealing for film preparation using a desiccator?

What is the main idea of water annealing process on film formation by using desiccator? In your opinion is water or methanol the best one for increasing insolubility?

03 March 2015 7,979 3 View

Why is there is no peak when dissolving hederagenin in methanol by HPLC?

Best method for hederagenin saponin analysis on HPLC/UV.

09 January 2014 954 4 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

No title

01 March 2021 3,905 5 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 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

Methodological confusions regarding deductive and inductive reasoning, hypothesis and theory test?

Hi Colleagues- What do you think about the following methodological issues: 1. Is it methodologically wrong to formulate quantitative research questionnaire based on inductive reasoning? 2. Is it...

21 February 2021 4,634 6 View

Where I can find materials to learn Fuzzy VIKOR methodology?

Please suggest ways to learn Fuzzy VIKOR methodology in a best possible way. And is there any toolkit available for the same? Thank you in advance.

20 February 2021 8,271 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

Where can I find a reliable and updated methodology related with the design of spiral heat exchangers?

I need to design an spiral heat exchanger, buy I don't know what reference or bibliography (preferably a book) should I consult in order to get an updated and reliable methodology related with...

14 February 2021 7,910 3 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