02 February 2019 3 7K Report

I need a certain method to cause irreversible DNA denaturation in double stranded FIsh DNA

More Heba Mohamed Fahmy's questions See All
Dose equivalent to niosome encapsulation dose?

I'm preparing niosome encapsulating a certain natural extract how can I caclulate the encapsulated dose which is equivalent to the free dose of that substance?

11 December 2018 7,655 3 View

Animal dosage from mgs to mls?

I want to treat rats with a certain drug loaded on a nanocarrier with a certain dose... The problem the i have.. That when converting my formulation to powder through air drying.. The yield is...

01 February 2018 7,203 3 View

Total proteins extraction?

I want a simple protocol ( non-costly) for the separation of total proteins from breast tissues without altering their conformations

01 February 2018 5,784 1 View

Total proteins extraction?

Would someone suggest a simple protocol for total proteins extraction from human tissues that don't alter protein conformation ?

01 February 2018 3,006 2 View

Best solvent for Thymoquinone?

What is the best solvent for IP injection in rats for TQ for one week treatment ?

01 February 2018 1,059 1 View

Best solvent for chitosan nanoparticles ?

what is the best solvent for chitosan nanoparticles for IP injection in rats for one week treatment ?

01 February 2018 7,361 2 View

DNA extraction protocol ?

Would someone tell me a successful simple protocol for DNA isolation from animal tissues , that gives reasonable yield and which is not costly and does not alter DNA structure ?

01 February 2018 8,545 7 View

Cel membrane isolation?

What is the simple organism or cell type from which I can isolate its membrane and what is the best model to study the interaction of nanoparticles with cell membrane ?

31 December 2017 4,319 3 View

Encapsulated drug dose calculation?

I will make an in vivo experiment in which I want to compare between the effect of a free drug and the same drug loaded on chitosan nanoparticles.. how can I calculate the dose of nanoparticles...

31 December 2017 4,358 2 View

Tween-coated chitosan?

I prepared TPP chitosan and loaded it with thymoquinone drug, the zeta potential was about 30 mv , when I made coat with tween 80 to this combination, zeta potential dropped to 4 Isa there any...

31 December 2017 8,612 0 View

Similar questions and discussions
Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

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

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

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

Experimental Design: How deal with pseudreplicates with immunological and clinical-chemical paramaeters?

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

Hi i want to ask that in order to find out LC 50 (96 hours) of particular toxin for fish. Should we keep the animals with food or without food?

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

Measuring Total immunoglobulin whole-body of fish larvae?

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

What is the identity of additional bands found during fish gut microbiome 16S V4 PCR amplification?

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

Is this the fragment of a sauropod tooth?

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

Problem to dissolve 50%wt Glycerol in 4%wt PVOH 28-99 ??

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

How to remove inter-year variation from my assessment of seasonal variation?

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

How to apply predefined temperature to generate prestressed force in Abaqus?

Dear researcher, I'm applying a thermal strain to generate the prestressed force in the steel strand of my concrete wall model using predefined temperature in Abaqus as shown in Figure 1. In...

26 January 2021 7,058 7 View

Our partners will collect data and use cookies for ad personalization and measurement. Learn how we and our ad partner Google, collect and use data. Agree & close