In order to finalize my phylogeographic study of quagga mussel, I am looking for samples from the following rivers : Don, Volga and Dnieper. Can anyone help me?
We conducted an antibacterial study of a plant extract. Varying concentrations of crude extract were subjected to microbroth dilution assay. The result showed that only the lowest concentration of...
31 July 2024 8,666 3 View
I am planning to measure the the activity of beta galactosidase enzyme using a standard kit to detect glucose production. The kit reagent is a mixture including horseradish peroxidase and...
12 June 2024 7,331 1 View
Dear community, I can't seem to find any clear information on power analyses work so I'm throwing my question out onto the internet hoping for answers. :) Study Details I am doing a...
19 May 2024 9,214 4 View
Here's the brief: 1. I synthesized alkyl gallates (ethyl gallate, butyl gallate, and amyl gallate) using Fischer esterification. 2. I used TsOH instead of concentrated H2SO4 as the catalyst. 3....
03 May 2024 6,737 5 View
Hi, I'm planning to do sequencing using Nanopore. The main idea is to substitute Sanger Sequencing that usually used to sequence PCR amplicon from BCD (Bisulfite Converted DNA) using nanopore...
23 April 2024 6,637 0 View
Is it recommended to freeze dry harvested leaves, stem bark, and fruits prior to trituration and extraction? I'll use the extracts for phytochemical analysis & in vitro bioassays. Thank you...
31 March 2024 5,920 4 View
Although there have been a number of initiatives, the shortage of drinking water is still a problem for some communities. In this context, we can see that people's need for water is increasing as...
26 February 2024 5,285 3 View
Firstly, the compounds that I want to synthesize are alkyl gallates (ethyl gallate, butyl gallate, and hexyl gallate). The overall reaction: Gallic Acid + Alcohols + (THF, DCC, DMAP, 0 Celsius)...
25 February 2024 2,181 3 View
Hello everyone, I receive many emails about different journals and publishers inviting manuscripts (some predatory, some not); however, received something new. Someone from Science Paths sent an...
12 December 2023 1,819 0 View
According to a report by the Sustainable Development Solutions Network (SDSN) published in 2023, only 18% of SDG targets will be met by 2030. Should we expect a new global agenda?
26 November 2023 7,921 3 View
Could anyone help me in identification of these species growing in China's coastal wetlands? I attach some photos. Thank you.
27 May 2024 9,656 7 View
Is their specific threshold for discriminating species similarity based on Mitochondrial DNA Percent similarity Identification particularly for Mollusk? What is specific DNA barcode (BLAST)...
20 April 2024 9,806 1 View
I regularly have low DNA concentrations on the vetigastropod tissues I extract. I have tried fresh tissue and older/museum tissues. We use the Thermo Scientific GeneJET Genomic DNA Purification...
08 April 2024 3,611 4 View
Hi All, I am trying to amplify mitochondrial 16S gene for marine snails (Calliostomatidae) and other vetigastropods, but I only get primer dimers or nothing on the gel. These primers have worked...
03 April 2024 8,736 4 View
Last weekend I took a photo of this cave-dwelling snail in a northern peruvian cave (1200 metres above sea level). Could you please help me to identify the Genus and Family? Thank you very much.
02 March 2024 5,416 5 View
Hi! When I extracted haemolymph from the adductor muscle I saw this in the microscope at 20x magnification. Does anyone know what it is? It looks like a see-through bag and something came out of...
27 February 2024 6,890 1 View
while attending class my professor asked us to count benthic species,and in my counting i mentioned sea snails,certain i have read multiple times that their classification is "univalvia" since...
27 February 2024 365 5 View
The only answer I have come close to is the "hidden break" event of ribosomal subunits reported in mollusks and insects. However, in these studies up to 3~4 bands are reported, in my case I have...
27 December 2023 1,121 0 View
This mollusk is similar to the species Corbicula tibetensis. Or Corbiculina ferghanensis may also be. What do you think?
05 December 2023 4,834 1 View
I have come across these species so often recently that I have looked up so many literature that I have not been able to identify them as species other than the genus Creseis. Previously, I...
06 September 2023 527 1 View