Do aortic valve leaflets contract?

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Which correlation analysis should I use for non parametric continuous data?

I have nonparametric continuous data. I want to apply correlation analysis. However, I am undecided about which correlation analysis I should apply to non-parametric continuous data that does not...

25 September 2023 7,902 12 View

How can I examine the relationship between a data with only 1 values and the predictive values?

I have a distribution map produced with only presence data. And there is a certain number of presence data that is in no way included in the model. How can I evaluate the compatibility of the...

04 December 2022 9,194 5 View

Which protein should I choose from PDB?

There are different PDB IDs for one protein in literature. For example, in case of NF-kappa-B protein, I have found three different PDB IDs so far. How can I decide which one to select and use in...

03 November 2022 5,665 5 View

Is Refrigerant (R-1234yf) gas high risky flammable and explosive according to ATEX requirements?

we are planning to use Refrigerant (R-1234yf) gas and would like to have prediction to evaluation for measurements against explosion both explosive, flammable areas. So that flammability level is...

10 July 2019 9,101 2 View

What is the formula for heat exchange between mass oil in a tank and ambient?

I have a tank of lube oil which is not insulated and top of tank is a compartment, in other words, tank is the bottom of the auxiliary compartment. The volume of tank is 25.000 liters. Because we...

27 March 2018 1,561 5 View

Could you help me anyone to choose the best configuration of the microscope for mono or dFISH staining of fish chromosomes?

a) Leica DM4B b) Zeiss Axioimager 2 c) Nicon Eclipse NiE d) Olympus BX53 How config is the best performance for FISH staining of chromosome? Could you give me a detailed config of fluorescence...

09 June 2017 1,993 3 View

Does LVOT originating VPS cause suction effect from aorta to LVOT?

Does anyone have idea or info related to mechanical activation sequence of left ventricle during vps originating form left ventricle especially the LVOT and also the hemodiynamic effect of this...

22 January 2017 6,097 4 View

Can we say that this metabolic abnormality is not the cause but the result of hypertension?

If a metabolic derangement is related with hypertension but not with pre-hypertension according to cross sectional studies, can we say that this metabolic abnormality is not the cause but the...

03 November 2016 8,052 6 View

Zwick tensile tester?

Hello Everyone! When i look at the tensile test results on zwick report, i noticed that numerical Rp0.2 values seemed lower then values on the graph. Which one is valid and right ?

25 August 2016 7,493 3 View

I want to make fatigue test from a steel plate which is a dual phase steel used in auto wheel disc. Which standard is used for it?

Hello Everyone, I want to make fatigue test on a steel plate sample but i am looking for a standard for it. Most of tests are conducted on cylindirical samples but my sample is plate. Another...

07 April 2016 7,521 4 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

The Curse of Evolution and Complexity?

Brain and body mass together are positively correlated with lifespan (Hofman 1993). The duration of neural development is one of the best predictors of brain size, and conception is the best...

05 August 2024 6,247 3 View

I am working on my Master's thesis on the biogeography of the genus Ruagea and I would like to ask, could someone help me to check whether my result?

I created a file with my outgroup and ingroup species using Beauti, ran it in BEAST, viewed it in Tracer, and then used TreeAnnotator to create a file that I imported into RASP. Could someone...

28 July 2024 2,979 1 View

Could you try using PeptiCloud and see if it's a useful tool for biology research?

PeptiCloud (www.pepticloud.com) is a bioinformatic platform that allows researchers to organize and share their data for their projects as well as collaborate with others in one place. Through...

28 July 2024 4,762 2 View

Do you know of any online international conferences that offer free discussions?

Do you know of any online international conferences that offer free discussions? I am looking for examples in the field of molecular ecology and DIY biology.

28 July 2024 6,501 0 View

Illustra™ MicroSpin™ G-25 columns what it is used for?

Hello, We found three packages of Illustra™ MicroSpin™ G-25 columns in the cabinet of an unused lab. They are very old but have never been opened. I have never used this kit before, and I couldn't...

25 July 2024 4,927 3 View

checklust of the vaSCULAR FLORA NATIVE TO ITALY?

a second update to the checklust of the vaSCULAR FLORA NATIVE TO ITALY

24 July 2024 2,403 0 View

Pink bacterial colonies?

I am cloning an overexpression plasmid with my protein of interest tagged with mScarlet. After transforming my ligated product into DH5α bacteria and plating on LB agar, I noticed colonies with a...

22 July 2024 5,953 6 View

How are clinical and environmental yeast/fungal strains stored usually in mycology laboratories?

I understand a glycerol stock for long-term preservation would be ideal, but how are working cultures generally stored? Mainly concerning Candida spp. isolates. A few references mention that they...

22 July 2024 6,592 3 View

What is this animal ?

In saw this creature during a cable laying operation at 20km off the coast of Timor Leste on the timor sea at a depth of 1200 m.

14 July 2024 4,715 1 View