Karl Cammann

6 Questions 110 Answers 0 Followers

Questions related from Karl Cammann

Why is the electrochemistry of corrosion research not applied to understand the active transport at bio-membranes (e.g., sodium-potassium pump)?

The exact mechanism of the many different identified pumps systems is still under discussion. Viewing at those pump systems as consisting of two asymmetrical interface systems with a channel-like...

11 November 2014 1,373 8 View

Which is more reliable: A sensor array (electronic nose) or a fast chromatographic technique (like flash GC or CE)?

Fast chromatographic methods need only a few minutes comparable with the response time of many chemical sensors. Combined with a specific detector they may well surpass the sensors.

06 June 2013 5,118 2 View

Why are in general expensive, sophisticated hyphenated instruments used for single analyte determinations and not robust low-cost sensors?

Following the literature on chemical and biochemical sensors and lab-on-chip devices which have already passed the 10,000 mark (cumulative) one wonders, why so few are commercially available...

02 February 2013 3,251 7 View

Is the claim true that molecular imprinted polymers MIP show a similar specificity as antibodies when used as recognition element in chemical sensors?

I am not looking for assumptions, expectations or cartoons in recent monographs on MIP’s showing how they might work but looking for convincing facts documented through thorough validation studies...

01 January 2013 8,988 5 View

How to calibrate an immuno-based biosensor or DNA array with immobilized fragile biomolecules at the production line to guarantee its validity?

How to prevent denaturation of fragile biomolecules and guarantee their proper functioning after several weeks of storage time typical for products on the market?

12 December 2012 5,910 11 View

How to correct in chemical trace analysis for the so-called reagent blank?

What to do with a measured blank signal? What is the recommendation of recent text books?

11 November 2012 7,923 14 View