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Questions related to Dyes
Hi everyone, Is anyone here familiar with the CUPRAC method? I am struggling with creating the standard curve of that method. My procedure is the following: 500ul PBS 1X + 500ul CuSO4 1M + 500ul...
02 November 2022 7,683 3 View
We're looking into ways to subsample filters from eDNA runs (so we don't have to use entire filters all at once) and to preserve filters indefinitely until we need them. Freezing maybe makes...
28 October 2022 8,482 0 View
This is a gel with the trnH–psbA marker. Gradient PCR 54-57°C for a Nepeta species collected from nature (upper lanes) and a Centaurium species from in vitro conditions (lower lanes). We're...
25 October 2022 3,407 1 View
I am working in the area of organo-bentonite. After the organic modification of bentonite, some changes in the PXRD patterns of bentonite observed that could be due to layer exfoliation. Moreover,...
24 October 2022 6,881 2 View
I received in my e-mail the text: "Your Paper Impact Effectiveness (PIE) Value: 44.09." "Dear Researcher, Considering the total number of citations as the sole indicator of a research paper’s...
23 October 2022 6,245 2 View
I made working electrode of bare TiO2 film, carbon quantum dots (CQD) coated TiO2 film, N3 dye loaded TiO2 film, and CQD+N3 dye coated TiO2 film. FTO glass (7 ohm/sq) was used as substrate. Pt...
21 October 2022 8,773 2 View
What can I use to preserve insects? will 70% work? or I can use 90%. The same goes with plants, what can I use to maintain them before I conduct molecular analysis? The specimens must be...
18 October 2022 3,539 4 View
Hello please help in finding the area under the curve (as in the attached figure) in R. The curve has been created using logspline function on histogram (density )
13 October 2022 3,781 3 View
What is a reliable source for absorption spectra of free fatty acids? I have absorption spectra for multiple free fatty acids that I'd like to compare with. I've only been able to locate a few...
12 October 2022 3,389 1 View
Dear researchers, Considering the dimensions of the Plexiglass DCMD cell, I want to fabricate a VMD cell only by removing the cold water inlet. Then we have one inlet (hot water) and two...
11 October 2022 2,190 0 View
Hello, my gaussian 09 calculations are stopping in SCF cycles and the is given the following message "traceback is not available". Did one help to solve this? - End of the output file: Cycle...
28 September 2022 1,249 1 View
We used to use the retrobeads to mark the injection site and it did work well. But we can't use them in the current experiment, as we will perform sequencing afterwards and also cannot allow any...
02 September 2022 9,654 0 View
Hi, I OCT embedded some cerebral organoids but am having issues sectioning them. Is there any way to take them out of the OCT and do a paraffin embedding to get thinner sections that are more...
23 August 2022 4,211 1 View
I am trying to measure Calcium influx in TRPV4 stimulated/unstimulated RAW 264.7 cells using Fura-2 AM (incubation for 45mins at 37degrees) and a plate reader. I was hoping that when I get high...
14 August 2022 2,279 6 View
I am currently working with said benchtop EPR spectrometer and experience drifting baselines and signal loss when working at lower temperatures. The software used is MiniScopeCtrl.exe. I was...
10 August 2022 9,570 0 View
In GC-MS calculation, [Area of GC chromatogram for IPA standard solution/ Molar Concentration of IPA in standard solution (mol/L] = [Area of GC Chromatogram of test solution / Molar...
09 August 2022 9,849 1 View
Could someone explain that, which one of the following materials shows better photocatalytic activity,? 1: Composite-TiO2. 2: Doped -TiO2
21 July 2022 2,024 1 View
Can I make a 20% glycerol stock and freeze it at -20C? We don't have access to a -80C freezer.
29 June 2022 8,164 0 View
Hello, As state in the title, are there any TTL pulse generators recommend for doing both electrophysiological recording and video tracking? Thanks.
17 June 2022 4,940 1 View
Why the fault current ?
09 June 2022 4,426 1 View
Hello scientists! What equipment do you recommend to determine soil respiration in field conditions? The equipment should be easy to operate and have a high level of accuracy.
26 May 2022 2,122 2 View
Usually, during magnet sweeping in an X-band CW-EPR measurement in a Bruker EMX Plus spectrometer, the microwave absorption by the sample can be observed as the Receiver Level cursor moves...
20 May 2022 4,518 0 View
RO purification system is one of the best purification systems to get good source of drinking water. Of course RO will produce pure drinking water which contains much less minerals. (TDS lies...
05 May 2022 3,402 5 View
Only a few studies have been published about CdS nanomaterial-based DSSC applications. CdS nanoparticles is a good absorbed visible region. So, what's the deal with dyes in solar cells? The usage...
29 April 2022 7,054 0 View