Does anyone have any experience with the Ultra-M micro pH electrode?

08 August 2014 0 3K Report

Hi!

Does anyone have any experience with the Ultra-M micro pH electrode by 120Scientific, a division of Lazar Research Laboratories, Inc. (http://bio.120scientific.net/)? Could anyone give a short review, please?

Badges
Science topic

More Vasily N Kruzhilin's questions See All

What is a common method for modelling evanescent wave-related phenomena, especially in dispersive media?

Hi! Can I use FDTD method or there are some limitations?

07 August 2014 8,013 3 View

How can I measure pH in microvolume without a pH meter?

Please could you give me an idea of how to measure pH in a volume ~100 µl if I don't have an appropriate pH meter? I had an idea to use fluorescent ph-sensitive tags.

04 May 2014 3,459 4 View

Why is my Thrombin and TCEP mixture resulting in turbidity and gelling?

After mixing Thrombin (2.5mM) with TCEP (30mM) in PBS buffer and waiting for an hour at room temperature I observed a significant turbidity and a slight gelling of the solution. Thrombin was...

01 February 2014 3,429 5 View

Could protein disulfide bond conformations differ in X-ray structure (monocrystalline) and lyophilized powder?

I was measuring lyophylized bovine thrombin (purchased form Sigma Aldrich, http://www.sigmaaldrich.com/catalog/product/sigma/t4648 : composition

09 October 2013 1,580 4 View

Oxidized DTT RAMAN activity?

A useful tool for disulfide bridges reduction, for example in proteins, is DTT. As a product of these reductions (in attachment) we have an "oxidized DTT"...

03 April 2013 8,404 3 View

Evidence of disulfide bridges frequencies in Raman spectra of proteins below 500cm-1

There is theoretical possibility of disulfide bridges confirmation with Raman frequencies from 485cm-1 to 500cm-1, but it is a bit unusual. There are even experimental proofs for some model...

02 March 2013 3,964 4 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

How to assess the osmotic power of a substance?

Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...

06 August 2024 977 1 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

How to find a reaction is reversible or irreversible in CV? How to know the number of electrons transfer?

My screen printed electrode CV is given here. For Nerstean one electron reaction the delta E value should be close to 57 mV and ration of Ic/Ia should be close to 1. I did CV of my screen printed...

30 July 2024 4,671 3 View

How to check pH of a high strength hydrogel?

We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...

30 July 2024 942 2 View

EDTA buffer solution?

Hello everyone! How can i prepare EDTA buffer solution (pH 8.2) to determine GSH levels? Thank you in advance.

29 July 2024 4,374 1 View

While doing Chronoamperometry, when the light is turned off, why the current is not decreasing sharply?

Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.

29 July 2024 4,538 3 View

Whether i can preserve leaves samples in 2.5% glutaraldehyde in 0.05 M phosphate buffer, pH 7 for coming several weeks for further LM study ?

I want to preserve the sample leaves for the LM study of the stomata and conidia analysis. Whether 2.5% glutaraldehyde in 0.05 M phosphate buffer with pH 7 can be applied for preservation.

29 July 2024 8,560 0 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

Why do these abnormal charge/discharge curves of coin cell batteries appear?

As shown in the figures, there are several abnormal charge/discharge curves.Each of them may have different problems. I am curious why these situations appeared differently?There are a lot of...

24 July 2024 6,930 1 View