Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

Can the intensity of this broad band in XRD mask other crystaline phases present?

I obtained a XRD diffractogram with significant broad band at low 2theta levels, also around 30 2theta another smaller broad band appears. It all points out to the existence of an amorphous phase....

19 February 2021 8,414 4 View

Heat exchange due to humidity difference ?

Hello everyone. How can I simulate evaporative cooling between air and water (isothermal) placed in direct contact? Is it possible to choose or set the humidity difference as the heat exchange...

11 November 2020 5,225 3 View

How can I simulate evaporative cooling between substances in contact using Ansys Fluent?

Hello everyone I need to simulate a counter-current flow between air and water droplets (in direct contact) which by evaporative cooling give rise to a cooling of the wall on which the droplets...

07 November 2020 5,458 2 View

TPB: Can you use indirect questions for direct measurment?

Hi, I am doing a research with Theory of Planned Behavior. The behavior is attending a course/training on the subject of orientation, navigation and topography in the next year. I completed...

18 August 2020 4,502 1 View

Is it possible to use a muffle furnace without N2 atmosphere to make Biochars?

Greetings Everyone. I am reading several articles about biochars and notice several use N2 atmosphere inside the muffle furnace. can you produce biochars without this N2 atmosphere or other inert...

17 August 2020 8,992 6 View

How to convert GeoTiff to a format compatible with FRAGSTATS?

Dear all, I need to process several classified GIS maps in FRAGSTATS. All files are in GeoTiff format. I do not have ArcGIS. I also assume that when you export files to ASCII format in QGIS often...

01 July 2020 2,433 5 View

How to prepare (good) conductive nanocontacts?

Dear all, I need to prepare electrical contacts in order to connect a gold pad with a semiconductor (few microm size) . i cannot perform lithographic process. Hence, how can I obtain good...

09 June 2020 9,756 8 View

Are COVID-19 clinical datasets available?

Do you know if (anonymised) clinical high-frequency datasets of COVID-19 patients, such as pulmonary function, blood oxygen level, blood pressure, cardiac interbeat interval etc., are available...

04 May 2020 2,195 5 View

What tunes the selectivity of ionic exchange towards an ion? can we predict it? Is it pH dependent?

Cheers Everyone. I was seeing some uses of ionic exchange to recover NH4 by ionic exchange with other cations in a specific matrix. And it brought me to question what drives an ionic exchange to...

17 February 2020 6,596 3 View

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

03 March 2021 8,272 1 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

Buffer to disrupt platelet alpha granules for PF4 quantification?

Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...

03 March 2021 1,499 2 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

What kind of food stuff increase the potentiality of human brain?

There are different kinds of food stuffs which we intake daily according to our requirements. Carbohydrate, protein, fat, mineral, vitamin, water are mainly working for the growth and development...

01 March 2021 831 2 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View

Does anyone use antinuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples?

I am looking for anti-nuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples. Any suggestions highly appreciated. Thank you.

28 February 2021 6,512 3 View

Anyone know of a good progesterone antibody?

I am looking for a good progesterone antibody to quantify levels of progesterone in zebrafish. Applications would be ELISA, and immunohistochemistry.

28 February 2021 5,929 2 View