Is a copepod (or an amoebozoa) with <82% sequence identity for the COI gene with any known copepod (or amoeba) something to be further investigated?

10 March 2023 0 10K Report

I have been working on a unique freshwater habitat and, from environmental sequencing, found copepod COI DNA that is quite divergent from published sequences (

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Seeking Advice on Viability and Execution of Undergraduate Thesis Topic?

Hello everyone, I am currently developing a thesis proposal and would appreciate your input on its viability and how to effectively carry it out. My proposed topic is: "Does the perceived threat...

10 August 2024 8,992 0 View

How can we, as educators, Dismantle Deficit Ideology in Educator Professional Development?

Deficit ideology, the harmful belief that certain individuals or groups are inherently lacking in skills, knowledge, or ability, is a pervasive issue in educational settings, particularly in the...

22 July 2024 7,804 2 View

Is it possible to conjugate an NHS ester to the N-terminus of a peptide ON RESIN?

So i have a few peptides (synthesized by SPPS and not cleaved from resin) and I want to add a maleimide label. We have NHS-PEG-Maleimide and from literature it is evident that the free amine group...

18 July 2024 4,075 3 View

Hot to do MTT assay data analysis?

I have repeated an MTT assay three times using different batches of the same cell line. Each time, I tested the same treatment (different medium) and seeded the same number of cells. Additionally,...

08 July 2024 1,900 1 View

Which statistical test would be the best?

For my practical project at Uni, I am researching blue-green algae in a freshwater lake. I have three locations around the lake and am testing the water for phosphates, pH, and temperature. I am...

30 June 2024 4,264 3 View

What is wrong with Site-Directed Mutagenesis?

I am following the NEB protocol to perform SDM with Q5 and NEB HiFi Assembly. I am making a two base pair change. First picture is my Primers designed with NEBaseChanger. Second Picture is my...

24 June 2024 6,079 4 View

Does anyone have suggestions for this esterification?

I have a very polar alcohol (soluble in MeOH, H2O, partially in heated DMSO). And a long chain fatty acid that I would like to couple. I can't find a common solvent for them. I can form the...

24 June 2024 9,319 0 View

How do you add multiple nodes or cutting planes in Abaqus?

Hi, In a previous question I asked how to effectively model springs in Abaqus. However, I figured out the feature under Assembly -> springs/dashspots -> node to node Springs. I have a cylinder...

20 June 2024 892 3 View

How do you add radial spring elements in Abaqus?

Hi, I am trying to complete a buckling analysis on a tube with an external pressure. This solves itself easily by adding radial constraint on the internal edge of the tube, one axial constraint...

17 June 2024 8,165 7 View

Given that Mesozoic placentals were largely arboreal (with fingers), do you know of any studies that illustrate the finger-to-hoof transition?

I'm interested in the earliest days of placental terrestrial locomotion in large herbivorous taxa. Phenacodus seems to be transitional in this regard. Any others?

06 June 2024 5,182 2 View

How to culture copepods (Calanus) in Indoor facility?

I am about to culture copepods (Calanus) in our laboratory. I want to feed them with Isocrysis, tetraselmis, rhodomonas, and skeletonema. how should I separate calanus, choose nutrients, and set...

08 January 2024 3,235 0 View

Loss of functional groups in a upwelling region and what may be the consequences on the copepod assemblage?

With or without upwelling the copepoda Paracalanus quasimodo is present in high abundance in Cabo Frio. What would happen if this species was lost in the region, would the second most abundant...

24 June 2023 174 1 View

I have identified nauplius stages of copepods. Can someone help me verify it?

I have identified here the naupliar stages of copepods. I identified it up to its Order leveI but I was wondering up to what level are larval stages of copepods be identified. I have attached here...

25 January 2023 4,101 2 View

How can I eliminate copepod contamination in Ostrea edulis larvae samples?

Dear reserachers, currently I am working with Ostrea edulis larvae. However, I can't get rid of copepods via mechanical separation as the have more or less the same size as the oyster larvae. I...

29 June 2022 7,335 2 View

Has anyone used the zymobiomics DNA miniprep kit for DNA extraction from bacteria associated with marine copepods?

Hello, and first of all I hope you are well. I am trying to extract DNA from the bacteria linked to the marine copepod Parvocalanus crassirostris, which is a small crustacean about 400 microns...

04 February 2022 5,843 0 View

Could you help me?

Hello, I need a reference for the classification of copepods and Isopods, especially which live as an ectoparasite on the fish. Thank you

06 September 2021 8,848 4 View

How to enrich Artemia with probiotic bacteria to suppress vibrio load?

Dear Researchers, Till now, I use chemicals to disinfect Artemia napuli. Without using chemicals, what is the step-by-step procedure to enrich artemia with probiotic bacteria?

25 August 2021 5,558 1 View

Where to get Atlantic Zooplankton time-series data?

Hi all, In order to analyze the distribution of seabirds, I need to get information on the zooplankton in several localities throughout the Atlantic. Does this exists, as raster layers (or...

25 February 2021 2,592 3 View

How to analyse a cyclone ecology data?

Dear Friends, I have a data set of a cyclone impacted estuary. This dataset involve bunch of physical-chemical variables and copepod density data of multiple species. I have collected the data...

04 July 2020 5,458 1 View

What can be the relationship of copepod and shrimp?

Respected sir/madam what can be the probable relationship of copepod and shrimps? symbiotic or parasitic ? specially Clausidium species of copepod with ghost shrimp .

09 June 2020 8,582 1 View