What is the ratio between sample and solvent in marine animal carotenoids and other pigment extraction?

For freeze dry sample, (sample (g)/solvent (acetone (ml)?

08 September 2014 211 3 View

I nee information about zooxanthellae degradation by using sea anemone tissue homogenized for zooxanthellae isolation.

i want to compare isolation method and histology method (prepare slid and counting zooxanthelea in image) method to determine one of them is better for density consideration.

07 August 2014 4,308 0 View

how i can add carotenpoids to cell culture (what solvent i need to solve carotenoids) ?

what solvent? i should complete dry carotenoids extract then solve carotenoids in?

05 June 2014 9,477 0 View

( Can anyone suggest any articles on histomorphological changes during the sea anemone reproduction? )

when (month or season? ) sea anemone (stichodactyla) has sexual reproduction?

05 June 2014 6,770 0 View

How can I perform zooxanthellae numeration and count the density of zooxanthellae with sea anemone histology?

With imagej or another software?

05 June 2014 727 4 View

How can I separate chlorophyll and carotenoids in pigment extraction with acetone?

i prepared sea anemon pigment extraction that i should separate chlorophyll to achieve just carotenoids, how can i do it?

05 June 2014 7,461 3 View

Can anyone provide me with a carotenoid HPLC analysis protocol?

What solvent should I use for a carotenoid injection into an HPLC system (after drying sample). Is HPLC solvent for animal carotenoids different from other organisms, for example vegetable or...

05 June 2014 277 4 View

How can I compare seasonal changes in zooxanthellae density with sea anemone histology?

I am looking for a statistical analysis of this problem.

05 June 2014 9,628 0 View

Can anyone recommend a book or paper containing high-quality histological images and methods of sea anemone?

About sea anemone, sea carpet (stichodactyla) or invertebrate.

02 March 2014 2,128 5 View

How can you prepare total carotenoids for HPLC method?

Thanks.

01 February 2014 4,351 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View