In the process of calibrating an oxidation-reduction potencial measurement device, is it advisable to do so with pH standars such as buffer solutions?

14 March 2017 0 4K Report

I've read that it is possible to do so, but however I haven't found a very reliable text in wich they describe or advice this practice.

Badges
Science topic

More Noé Contreras's questions See All

Do you think can be any Uranium bearing rocks in Eastern part of Iran and western part of Afghanistan?

I want to know more about Uranium ore deposits in world.

11 August 2024 6,720 0 View

Do you think can be any diamond bearing rocks in Eastern part of Iran and western part of Afghanistan?

I want to know more about diamond ore deposits in world.

11 August 2024 2,167 1 View

What is the difference between mathematical R^4 space and physical 4D unit space?

We assume that the difference is huge and that it is not possible to compare the two spaces. The R^4 mathematical space considers time as an external controller and the space itself is immobile in...

10 August 2024 6,678 14 View

If Banks do not provide credit facility, what are the options available for FPOs and impact on producer’s income?

10 August 2024 8,198 5 View

Controlling for pupil light reflex when analyzing pupil size time course?

I used eye tracking to examine how participants from two different populations (A and B) react to an image. Participants in population A exhibit larger pupil sizes over time, but they also have...

10 August 2024 3,229 0 View

What are a “Farmers Producer Organization” (FPO) and its essential features?

10 August 2024 477 5 View

Strugglling with m6A dot blot any suugesstion ?

I have been doing the m6A dot blot for a while with no improvement, I am extracting the RNA, and I can see the dots although the three biological replicas give a different reading on the memberan...

10 August 2024 8,539 5 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

How to get moment output in Abaqus Standart?

I have input a moment load in module load Abaqus, i put my moment load on the node surface (using reference point). I have define moment in history output and make a set for moment too. But the...

08 August 2024 4,831 4 View

How is energy cycled through the Earth's climate system and how do matter cycle and energy flow through the rock cycle?

08 August 2024 8,162 0 View

How much total RNA concentration to be extracted from sorted plasma cells from bone marrow of C57BL/6 mice for RT-PCR ?

i have sorted anti-NP specific plasma cells from bone marrow of C57BL/6 mice at certain times after immunization with variable counts and isolated total RNA using TRIZOL method for RT-PCR using...

05 August 2024 8,835 1 View

Sodium azide in immunohistochemistry?

Hello everyone, A collaborator sent us his protocol in order to be able to use his immunohistochemistry kits. But one step contains PBS + 0.3% H2O2 + 0.1% sodium azide. Knowing the dangerousness...

23 July 2024 6,314 3 View

Does anyone notice the tumor regression impact of Hepa1-6 cells in HCC orthotopic mice model?

To establish an orthotopic HCC model, C57BL/6 mice (male, 6-8 weeks) were orthotopically implanted with 3x106 Hepa1-6 cells (Over-expressed with a human gene) in 20uL Matrigel into the left lobe...

18 July 2024 9,177 2 View

How do I prepare a working stock solution of 14C sodium bicarbonate to get a final activity of 3uCi?

I need to make a stock solution for radioisotopic incubations of freshwater sediments to study dark primary productivity but I have some confusion as to how I calculate the concentration of 14C...

15 July 2024 5,898 0 View

What do I do with dried urine samples?

I placed mice in metabolic cages to collect urine samples for analysis. However, the majority of the samples have dried up. Is there any way to retrieve the urine in those tubes without...

14 July 2024 6,724 0 View

Validated HPLC method for the estimation of the Amphotericin B ?

During the release test of Amphotericin B using 1% Tween 80, i observed three peaks even in the standard. The first peak consistently yielded results around 500%, while the other peaks showed...

08 July 2024 1,330 0 View

Can we detect DOC fractions through LC-OCD for a sample containing Sodium Azide?

I did some column tests in my lab where I needed to detect the DOC fractions using LC-OCD. For the abiotic columns I used sodium azide to restrict the biofilm formation. I did LC-OCD to detect the...

07 July 2024 468 0 View

What can be done when electronic minimization does not converge during geometry optimization in CASTEP?

Hello All, I've been facing difficulty in executing geometry optimization of a sodium polyanionic phosphate (Na4Fe3P4O15) crystal in CASTEP (please find the input and output files attached). When...

07 July 2024 8,626 2 View

How long can I store mouse tissues in neutral buffered formalin for, and how often should I add fresh formalin?

My study uses C57BL/6J mice and I am required to store portions of the important organs in neutral buffered formalin (NBF). Could I potentially keep those tissues in the formalin for a few weeks...

06 July 2024 8,360 2 View

Is it possible for the soil pH to be around 8, but with negligible amounts of carbonates, bicarbonates and exchangeable sodium?

Can this pH of 8 be due to the presence of other substances? Or do I have an error somewhere in the analysis? Thank you!

26 June 2024 9,093 4 View