What is this Permian fauna?

More Hesameddin Hosseini Araghi's questions See All

Systematic review meta-analysis paper?

Hi everybody, We are trying to write a systematic review meta-analysis paper. But I could find 19 references. I think 19 references are not enough to do a meta-analysis section and it is better to...

10 July 2024 5,489 5 View

What is bibliometric article?

Greetings and Regards I have a question about bibliometric articles about public health or nursing. If any of the researchers have experience or knowledge in this matter, please tell me. Thank You

15 June 2024 2,795 1 View

I am Extracting Streptomyces DNA with CTAB method. I would like to know When should I add RNAse in the CTAB protocol for Streptomyces DNA extraction?

I did CTAB for DNA extraction and I got good DNA IN BOTH side (Quantity and Quality) but I had RNA in my gel. I wanted to add RNAse after that and when I add it my DNA were degraded. Could you...

18 April 2024 3,595 0 View

How can I adjust for confounding variables in meta analysis?

Hi every one I am performing a meta-analysis of a variable's mean (change) (e.g. Blood pressure) for different subgroups. I want to adjust for 2 other quantitative variables (e.g. Age and Weight)....

13 January 2024 2,823 3 View

Call for finding an international colleague?

Dear Researchers, We are seeking participants to collaborate on writing Review articles .These articles are related to public health and Nursing . Please contact me if you have a "Scopus account"...

24 December 2023 6,538 0 View

Are these Bryozoa?

Are the attached images Bryozoa? Some images look like to have Bryozoan Zooarium, some like to be Trepostomatid Bryozoa, They Probably belong to Permian in one of the images an axial section of...

04 December 2023 9,376 6 View

What are the main evolutionary changes between Brachiopods of Mesozoic and Paleozoic?

Can anyone introduce me material from literature, which discusses main evolutionary changes in bachiopods from Paleozoic to Mesozoic. With many thanks

30 November 2023 9,350 0 View

Why stromatolite have dark and light laminations?

I searched about stromatolite formation and I realized how microbial activity plays a role in formation of algal mats which function as sediment trap which in turn after cementation forms layers...

27 November 2023 8,562 1 View

Which is the best dataset for the Aridity Index (AI)? World clim or Chelsa?

I try to use AI as a climate factor in my vegetation model, and it's important to me, which one is the most accurate?

16 November 2023 4,638 4 View

What is the speciemen attached?

It belongs to Late Triassic, Central Iran.

27 October 2023 3,715 0 View

Is there any cases algae not using the nutrient from the wastewater and grow normally?

I am working on microalgae cultivation using waste water. The initial concentration of nutrients were less but the microalgae has achieved biomass growth of 2 g/L. The final concentration of...

08 August 2024 4,810 2 View

I need help with Identification (misidentification) of European Pisidiidae & Sphaeriidae?

Hi everyone! I published an article summarizing my first experience in determining cryptic species of small bivalves, of course with errors. I will be very grateful and will thank you in future...

02 August 2024 6,582 11 View

Hello researchers, how can one get the optical density of a filamentous algae?

i am comparing the growth performances of filamentous and non filamentous forms. in a case where I can not count the cells of the filamentous algae using a hemocytometer, is it okay to do a...

30 July 2024 5,983 2 View

Is it common for heterotrophic bacteria to grow on Pro99 and SNAX media?

I am attempting to isolate picocyanobacteria from seawater (pre-filtered with a GF/D membrane) using the pour plate technique and filter plating method (Kearney et al., 2022) on Pro99 and SNAX...

30 July 2024 1,039 1 View

Recruitment for Postpartum Mental Health Research?

We are currently recruiting for two studies on postpartum mental health as part of our work at the Perinatal Mental Health Research Lab at Alliant International University. If you or someone you...

30 July 2024 2,950 0 View

How does neuraxial anesthesia affect hemodynamic stability during surgery and in the immediate postoperative period?

The Evolution and Application of Spinal Anesthesia: Techniqu... How does neuraxial anesthesia affect hemodynamic stability during surgery and in the immediate postoperative period?

27 June 2024 8,623 1 View

Is it legally permissible to reuse algae biomass following the treatment of non-hazardous laboratory waste?

Hello, community, Could you please clarify whether current legislation permits the reuse of algae biomass after it has been used to treat non-hazardous decontaminated laboratory organic waste?...

05 June 2024 5,040 1 View

Algae contamination on hydroponic cultures for Arabidopsis thaliana?

Hi everyone, I'm having trouble with my hydroponic cultures for Arabidopsis thaliana, since lately I've started having algae contamination on them. I have tried using several sterilization...

21 May 2024 4,840 1 View

Is anyone willing to do an interview on spirulina cultivation?

Hey there. I'm a Science, Business and Innovation student and for my thesis project I'm currently doing research on different production methods for large-scale cultivation of spirulina....

13 May 2024 368 1 View

Do algae have "vernalization"?

A few days ago, I saw a paper discussing the low temperature "vernalization" of microalgae (cyanobacteria). But in the paper, only low temperatures induced the growth effect of cyanobacteria was...

07 May 2024 2,904 0 View

Marc Philippe

You mean the two rounded structures left of the lens ?

Are'nt they oncoids ?

cheers

marc

Hesameddin Hosseini Araghi

Probably not oncoid, in my opinion, oncoids usually have more irregular laminations than the image above. Also image above seems to have structure within its thick micritic wall.

Cheers

Musaab Al Sarmi

Probably sponges