I have a Aeromonas strain virulen to fish. The bacteral cells have hemolytic activity but not their crude ECPs. Do you know what is happening?
We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...
02 March 2021 6,036 1 View
Hello everyone. I am looking for a simple formula to compute the distance in Km between two points inside the Earth. I do not mean the usual problem between to cities (distance along the surface)...
02 February 2021 3,455 4 View
Ethics and moral values have always being an essential part of teaching and scientific research. How do you teach and evaluate these essential subjects in your daily interaction with students?
23 December 2020 5,058 7 View
I have 68nm spherical Au NPs, which gave me a concentration of 1.22 x 10^9 particles/mL. How can I calculate the molarity without the need for TEM?
22 November 2020 8,850 3 View
In the research that I am working on, I need to migrate a graph database to sql to carry out tests, I am using neo4j as a tool, the information I have found is about migrating from SQL to neo4j...
09 November 2020 1,869 3 View
I want to calculate grain size and microstrains. I fitted my peaks with a Voigt function but the FWHM of the Loretzian contribution resulted to be nearly zero, lower than the FWHM obtained from...
28 October 2020 2,578 1 View
Hi. I'm working with soil enzymes and I have an issue because i saw several papers that used "integrated biological response" or IBRv2 to integrate data from enzymes and build a hexagonal star...
11 October 2020 5,131 3 View
In view of the potential for Covid-19 reinfection and the weak immune response and short duration in patients previously infected with Covid-19, many doubts have emerged if the virus is capable of...
03 October 2020 5,689 7 View
Hi, I need to dye bivalves to bring out the details of the shell and to be able to take good photos. I have heard that there is a gaseous compound that allows this and doesn't damage the samples,...
27 September 2020 1,864 4 View
It is now common for some peer-reviewed journals to offer paid editorial support for language editing and translation to authors. Is this perceived as a moral hazard? I would say it depends on the...
26 August 2020 4,486 3 View
I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...
03 March 2021 2,297 3 View
Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...
28 February 2021 9,138 2 View
Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...
24 February 2021 1,243 1 View
if we expose the fish after acclimatization to particular toxin in order to find out LC 50 (96 hours).Should we keep the fish off feed or with feed for that duration. Some literature show that...
24 February 2021 357 2 View
Hi Dear All, I prepared the extract of fish larvae whole body with PBS. Then protein concentration of the whole-body extraction samples determined by the Folin-Ceiocalteu-Phenol method (Lowry...
17 February 2021 1,971 3 View
Hi, I am carrying out test PCRs for 16S amplicon sequencing on Illumina MiSeq. I am using standard V4 primers: 515F/806R. The aim is to profile the microbiome of fish guts under different...
16 February 2021 5,668 6 View
Dear colleagues. Fragments of this species are very rare from a terrestrial Lower Cretaceous locality from Germany. Up to now from this locality sauropods could not be proved with certainty. Other...
14 February 2021 2,310 1 View
Hello everyone, I am trying to prepare a solution out of PVA(Polyvinyl alcohol)_Glycerol_Wasser . (4% PVA 28-99 and 50% Glycerin) To prepare this solution I first add PVA to 80degree water and...
06 February 2021 2,300 3 View
I have a 30 year dataset of fish sampling. I know from previous analyses that there is a huge amount of variation between years in catch rates. What I would like to do is create a plot that shows...
01 February 2021 3,980 5 View
Astaxanthin used in surimi based products as colour enhancer or as an antioxidant! Regards & Thanks Asik Ikbal
25 January 2021 9,399 4 View