Beaker microbiology biochemistry bioinformatics

Great infographic
about SARS COV 2 tests and how can you interpret the results

Overview of types of journals
Subscription bases journal vs
Non subscription based journal (open access journal)
Subscription based journal may be
1- closed access
2- delayed open access
3-hybrid

Don't cite predatory journals ,your reputation
Could risk as much damage as if your name appear as author in such publications .

The question is
Are all scholary journals peer reviewed??
Can we cite or publish in any journal?
Be aware of predatory journals,they are not peer reviewed ,,,
The peer review process is the hallmark of the quality of a scholarly journal.

How to identify a predatory journal?
This will be next

Review article on nitrients journal
https://www.mdpi.com/2072-6643/12/4/988/htm
This article reviews the roles of vitamin D in reducing the risk of respiratory tract infections, knowledge about the epidemiology of influenza and COVID-19, and how vitamin D supplementation might be a useful measure to reduce risk. Through several mechanisms, vitamin D can reduce risk of infections. Those mechanisms include inducing cathelicidins and defensins that can lower viral replication rates and reducing concentrations of pro-inflammatory cytokines that produce the inflammation that injures the lining of the lungs, leading to pneumonia, as well as increasing concentrations of anti-inflammatory cytokines.

Evidence that Vitamin D Supplementation Could Reduce Risk of Influenza and COVID-19 Infections and Deaths The world is in the grip of the COVID-19 pandemic. Public health measures that can reduce the risk of infection and death in addition to quarantines are desperately needed. This article reviews the roles of vitamin D in reducing the risk of respiratory tract infections, knowledge about the epidemiol...

The peer review process ,,,,, that's why scholary articles are reliable and can be used as citation
It simply means your publication is reviewed by peers (expert scientists in your field)

What is the difference between articles you find it in scholar journals and articles in magazines and google
The main difference is scholary articles
Undergoe peer review process
So it is peer reviewed ,,,, being peer reviewed
It can be used as citation

New interesting video about bacterial cell structure
In this video we discussed capsule
And cell envelope (cell wall +cell membrane)
In both English and Arabic version
For English version
https://youtu.be/tt-y3_df854
For Arabic version
https://youtu.be/I4jYgxPk1HU
Note capsule and slime layer are often used interchangeably but both terms are not the same
Difference between them ,,,will be discussed
In a separate video

Difference between pubmed and pubmed central

Pubmed is just an interface for Medline database
And pubmed is one database of several databases of NCBI
In NCBI ,,you find protein database ,, nucleotide database,, taxonomy database,,,gene and genome databases and bibliographic database as pubmed etc

Clarivate one of the most important international publisher (previously Thomson Reuters)
Owns ENDNOTE the most important citation manger ,,,
And web of science that provide impact factor for journals ,,,, similar to citation score of Scopus

Wolters kluwer ,,,,owns uptodate,,lexicomp,,and a publisher for books (lippincott books) e books

a good breif summary about the two biggest international publisher