What is the best DYE Tracer?

09 September 2017 0 7K Report

I have some doubts using fluorescein or rhodamine WT as a dye tracer. Could you please let me know which one has a more visible trace on the stone and also which one has more propensity to be absorbed by stones?

Many thanks,

Ebrahim

Badges
Science topic

More Ebrahim Sangsefidi's questions See All

I was wondering if anybody can help me with interpreting the permanent deformation behaviour of Unbound Granular Materials?

I compacted unbound aggregates at optimum moisture content and then let it dry in the oven for one day. The repeated load triaxial test was carried out on this sample in which I faced a weird...

07 August 2019 3,311 9 View

How can I find an specific equation that can describe the relationship between X and Y in the attached file?

Given the presented scatter-plot, it is looking like that there is a relationship between X and Y in my data. Unfortunately, the simple nonlinear curves can not describe this relationship....

01 February 2019 7,076 32 View

Can anybody help me with obtaining the curvature of a function?

I have a function as follows: y= a*x^b a=7e-5 b=-0.755 I attached a simple graph of the function. As it is apparent from the graph the CURVATURE of the function increases from ZERO to a finite...

01 February 2019 7,703 8 View

Can anybody help me with my XRD test results?

I have andesite source of road aggregates. I did XRD test on bulk powder and oriented samples ((1) air dried, (2) treated with ethylene glycol at 60oC, and (3) heat-treated at 550 oC for 45...

11 December 2018 6,211 3 View

Does anybody has any idea about the equation of the compaction curve of granular materials and how the Optimum Moisture Content can be calculated?

I mean after doing the compaction practice in various water contents and determining the dry density corresponding to each water content, what would be the equation of the resultant compaction...

10 November 2018 7,199 11 View

Can you please help me with the correction of my CBR curve (Load- Penetration Curve)?

I conducted CBR tests on unbounded aggregates. As you can see the CBR test results in the attachment, the curves concave up and there is a relatively enormous shift between two test results....

10 November 2018 1,292 7 View

Can anybody help me with a data prediction?

I have a sort of data in which the change in the weight of materials is recorded during the time. Unfortunately because of special condition I cannot record the weight in the first 75 seconds. -...

09 October 2018 2,479 13 View

Any advice how can I determine the proportion of Yellow-ish and Brown-ish color in a color photo?

A solution in MATLAB Software is preferred.

09 October 2018 7,916 5 View

How can I recognize the weathering of the glass phase in my materials?

Could you please find the attached image and let me know if the presented data can show any weathering in the glass. Based on my understanding, the glass in the structure of my materials remained...

09 October 2018 7,981 1 View

How can I plot 95% confidence interval for a nonlinear regression line?

SPSS software is preferable :)

08 September 2018 2,083 5 View

Which fluorescent dye to use for measuring total ROS production?

Is DCFDA appropriate for measuring total ROS production, or can it only detect certain types of ROS? If I want to measure total ROS production, which dye should I use?

01 March 2021 9,447 3 View

Is there anyone who experienced with cytotoxic effect of Hoescht 33342 dye?

Is Hoechst toxic to cells? In general, it is known as non-toxic. I am working with dsRED MDA-MB-231 cell line. I applied it for my PDMS-based microfluidic platform, for this reason, I incubated...

26 February 2021 9,119 3 View

Is the box plot of climatic indices better illustrate from daily data or annual data?

Hello, I hope you have a good time. I work on a research project about temperature indices. Due to the high number of indices, I only work on tables and maps on an annual time scale. In other...

19 February 2021 9,742 2 View

In methylene blue test Why is UV absorbance reading very low as soon adsorbent is added and then increasing before reaching equilibrium?

Hello, I'm working on removal of methylene blue. 01. in the dark test very first reading is taken 15 minutes after adding adsorbent to the dye solution and that UV absorbance reading is very...

19 February 2021 472 5 View

What are the options for global scale hydrology DEM?

Hello, I am working on a global scale hydrology GIS project delineating global watersheds and doing some data analysis. I have in the past used hydro1K from the USGS that cover the entire world....

18 February 2021 5,109 5 View

Has anyone performed a colorimetric RT-LAMP assay using Lucigens LavaLAMP kit?

Hi there, my lab recently opted to use LavaLAMP from Lucigen instead of the Warmstart kit from NEB. However, Lucigen has yet to create a colormetric kit for RT-LAMP, and adding phenol-Red (pH...

17 February 2021 5,399 1 View

Are cloud points able to identify tree species?

Hello Dears My goal is to classify dense forest tree species using drone images. Is it possible to classify dense cloud points? If yes, in what way and in what software? Thankful

15 February 2021 3,475 3 View

What are the recently methods to estimate low-flow and high-flow time series in ungauged basins?

Hi Is there any new method to estimate ( predict ) low-flow and high-flow regimes in daily scales for ungauged hydrometric stations? Thanks

15 February 2021 3,493 3 View

Measurement of water retention in organic substrates without a pressure plate?

Hello, I'm trying to measure the physical and hydrological properties of organic substrate media. Currently, I'm referring The book Soil sampling and Methods of Analysis by Carter and Gregorich....

09 February 2021 3,233 8 View

Why stop the reaction in ice for the fluorescent probe FDA (fluorescein diacetate)?

Hi, In literature I noticed that who stains haemocytes with FDA for 30 min then stop the reaction in ice while this does not apply for 15 min incubation time (or maybe authors did not write this...

08 February 2021 3,366 3 View