C-N analysis of algae/seagrass – lab needed?

More Henning Reiss's questions See All

What is the physical reason that hydroponic plants can be planted closer together then soil-based plants?

In other words, is it simply the nutrient supply that makes soil plants much less effective when they are closer together or does it have to do with the roots interfering with each other. If it's...

16 April 2024 6,718 4 View

Multiple-Group Invariance with Categorical Outcomes AND correlated residuals?

Dear all, I have a question relating to the following paper: Dubravka Svetina, Leslie Rutkowski & David Rutkowski (2020) Multiple-Group Invariance with Categorical Outcomes Using Updated...

08 October 2020 3,372 3 View

Where to rent (tunable) laser sources in Europe?

Scanovis of Koblenz, Germany are looking to upgrade their device, described here: Absorption properties of lipid-based substances by non-invas...with new MIR laser sources for IR laser...

05 September 2019 6,617 0 View

How does missing data influence results of partial least squares path modelling (PLS-PM)?

Hi, I am looking for research about the impact of missing data (MD) on partial least squares path modelling (PLS-PM) analyses/results. Especially I am interested in how missingness alters the...

14 November 2018 1,303 3 View

When you use La3+ as a releasing agent for measuring Ca near Phosphate in AAS, should the Phosphate precipitate when adding the La?

Is the Lanthanium added to samples containing Ca and Phosphate to precipitate all the Phosphate or should the La3+ just prevent the Ca to bind to the Phosphate in the flame?

03 June 2018 5,319 12 View

Springs / Groundwater Dependent Ecosystems Cape Verde?

Does anyone know if there is or was (limnological) research about spring habitats on the Cape Verde Islands? I cannot found English-written papers about fauna (Invertebrates) and/or environmental...

06 November 2017 10,023 9 View

Antimicrobial activity

Will the metal drug complexes be tested for their antimicrobial activity?

03 June 2017 4,945 4 View

Was there any research done on turkey and its labor camps in world war two?

I am looking for info on turkish labor camps for jews and other minorities during world war two.Is there any evidence for construction of extermination facilities (that weren't used) i.e gas...

15 May 2017 6,034 1 View

Western blot:Can I swap antibodies during primary incubation or do I have to strip membranes first?

Hi guys, I made a mistake with a western blot. i am probing for two separate molecular weight proteins and therefore cut the membrane. I placed the antibodies on the membranes, only to realise 30...

21 August 2016 2,558 3 View

How can I measure the success of Ethiopia' Growth and Transformation Plan I in terms of industrialization process?

Given the small amount of recent available data, which variables can be used and analysed to see which of GTPs policies have contributed to an industrialization process?

19 April 2016 3,127 2 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

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 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

Is there any cases algae not using the nutrient from the wastewater and grow normally?

I am working on microalgae cultivation using waste water. The initial concentration of nutrients were less but the microalgae has achieved biomass growth of 2 g/L. The final concentration of...

08 August 2024 4,812 2 View

How do I replace a file with a more recent version of a paper that was uploaded to ResearchGate?

The paper in question is "Interpolation of Nitrogen Fertilizer Use in Canada from Fertilizer Use Surveys". This paper was very recently published by Agronomy (MDPI). Agronomy has, in the last day...

07 August 2024 9,934 3 View

Who of all of you will help TPEOM to re-originate the Earths atmosphere to it original 5 atmospheric elements/gases?

Global ‘Weather’ has stopped, as ‘aqua thermionic instituted by the ‘Global thermo atmospherics has instituted global thermodynamics of 120º C + and thus all waters are, or have boiled into a...

06 August 2024 8,716 0 View

How effective is the Citi Bloc standard basket in enhancing the accuracy and comparability of international construction cost assessments?

Citi BLOC Standard Basket Definitions: A standardized unit representing a fixed basket of construction materials, labor, and equipment costs priced in various cities. Purpose: To create a common...

04 August 2024 8,997 1 View

What is the best protocol for freezing the rat brain in preparation for protein detection by Elisa ?

What is the best way to freeze the rat brain - liquid nitrogen, Dry ice , isopentane - after isolation for later protein investigation by Elisa?

01 August 2024 1,722 1 View

How can I separate graphene from amorphous carbon of similar particle sizes?

The starting material is a finely ground powder. Some particles contain more graphene than others.

30 July 2024 3,978 2 View

Question about combustion Kinetics ?

I am currently working on modeling FCC catalyst regeneration and have come across a point of uncertainty that I hope you can assist me with. In my previous models, I have utilized lumped kinetics...

30 July 2024 6,137 0 View

Paul Milham

Which continent are you on??

Henning Reiss

Europe, but we could send the dried samples anywhere. Cheers

Bohuslav Uher

Dear colleague,

please just write to my colleague from the University of Vienna, Department of Limnology and Biological Oceanography, Subdivision Marine Biology: Barbara Mähnert MSc., she could help you pretty well. Her E-mail: [email protected]

Best regards

Bohuslav