Hello. anyone knows about the absorption of calcium during the night?
I was told that there is a big difference between the timing of the calcium during night and day?
in multi-case study, the aim of studying, the literature says the purpose of conducting multi-case study is to draw generalisation to the study. In my case, I study 10 SMEs from several industries...
30 January 2024 3,389 2 View
My panel suggest me conduct my data collection on-site if I want to do a single case study on their environmental sustainability. I would like to learn about their adaptation and practices....
15 December 2023 2,873 4 View
I am trying to extract extra cellular vesicles from blood plasma using gravitation column IZON and can not get the specific protein cd9 or cd 81 on western. what am I doing wrong ? any...
21 June 2023 9,782 2 View
I was told that calcium uptake is better during the night hours but could not find any references to this. Can there be a different regulation or uptake of calcium that make is better to be...
31 May 2020 692 0 View
i am looking for a way to measure passive hybridization with a dye that will bind to dsDNA during the hybridization for kinetics measurements. Does anyone know of such method using spectrometer...
07 March 2018 3,252 3 View
I need to stain immune cells such as T, B and DC in mice, and to do so, I am conducting titration. But I wonder if I need to do titration for each organ. In other words, can I use the...
14 January 2017 8,720 4 View
I am looking for the origin of a trident that the Devil holds in his hand, as it is often drawn in illustrations. They say that it comes from the trident of Poseidon in Greek myths, but since when...
27 September 2016 1,294 13 View
How to convert absorbance to optical conductivity?
03 February 2015 4,043 6 View
How can we differentiate between calcite, dolomite, siderite, magnesite and ankerite minerals in carbonatite rocks in thin section under optical microscope?
07 August 2024 2,132 3 View
Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?
06 August 2024 980 5 View
Hi, i would like to simulate an absorption process in Aspen Plus. I want to use the NRTL model und would like to add some individual Henry coefficients. Is that possible and how?
05 August 2024 2,333 2 View
XRD Analysis is showing only Calcium carbonate. It is not showing other compounds. Can anyone help me get the other compounds
04 August 2024 3,019 3 View
Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?
03 August 2024 7,035 3 View
Hello I am conducting a microstructural analysis of a soil treated with lime. The following sem images are of the untreated s1 and treated soil s3. The untreated soil contains quartz calcite...
01 August 2024 572 0 View
Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...
30 July 2024 8,339 2 View
Hello Everyone! I am trying to create a metal hydride system where I am trying to create a temperature control with the emphasis on measuring the concentration of the hydrogen with the hydrogen...
29 July 2024 7,577 2 View
Hi, I need to prepare a standard curve of H2O2 to evaluate the primary products of oxidation. H2O2 I have is 35%. How do I prepare a stock of H2O2 10 microlitere. If s.o has experience, I would be...
26 July 2024 3,460 2 View
In the context of Electron Spin Resonance (ESR) spectroscopy, under what conditions is an absorption spectrum considered to be a single absorption spectrum?
25 July 2024 2,325 1 View