actually, i done this experiment in small scale and in this time the results were very good but when i wanted to make large amount (500 ml) the color become black and UV curve be in 500 nm instead of 430 nm.
Thank you
Is it like MNPT (geometrical mean of at least 20 healthy subjects) ? or it's the arythmetical mean ? can a pool of healthy subjects' plasma be considered as the reference APTT for calculating APTT...
01 April 2024 1,846 0 View
Hi, I want to do Life cycle analysis with openLCA software. can you anybody tell me how to create a product system with openLCA?
21 March 2024 9,441 0 View
I am trying to do hydrolysis of DCFH-DA with 0.01 M NaOH. Stock is dissolved in anhydrous DMSO. Both the solvent and base is degassed. The problem is dye seems to get hydrolyzed and oxidized at...
21 February 2024 6,021 0 View
I'm not getting it in nucleotide as well as primer blast
19 July 2023 4,325 2 View
Hi everyone, I am using Peakfit software (version 4.12) for curve fiting of FTIR spectrum but I have big problem with file import. The file is as an excel file xls. It appears File not found....
22 January 2023 5,608 2 View
I trying to analyze EPDM using pyrolysis gcms. Does anyone know where I can get the standard reference materials?
26 October 2022 2,258 2 View
Recently, we identified our microalgae using 18s rRNA, and the data showed that the isolate was 99% similar to unclassified microalgae with general information on NCBI and no publications. Our...
08 October 2022 6,624 3 View
Hi everyone, I want to learn metabolic pathway analysis from basics. Please suggest me good Youtube and text page tutorials. Thanks in advance
02 August 2022 8,176 4 View
I want to Immunostain retina vasculature, so I'm looking for a protocol to embed the retina in wax, do I need to embed and section the whole eye or do I have to remove the cornea and the lens and...
26 July 2022 5,036 2 View
What does Indicator Species Analysis (ISA) illustrate? As I understand, indicator species, are species that are vulnerable to ecosystem perturbation. Even minor changes in the environment will...
08 May 2022 9,509 4 View
I have a response variable called skin yellowness, which I will measure via a scored color chart, whereby 1 is pale yellow and 15 is orange. I'm not sure if this counts as an ordinal variable,...
11 August 2024 4,793 1 View
A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...
11 August 2024 9,801 2 View
Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!
11 August 2024 3,770 4 View
After performing symmetric PCR, PCR purification was performed. Afterwards, asymmetric PCR was performed using the PCR purification product as a template, but no ssDNA band was confirmed in the...
08 August 2024 1,668 3 View
A website software of Blackbody radiation law expert software can used through the following web site. http://39.105.188.151:3000/index
07 August 2024 1,706 0 View
I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....
31 July 2024 3,843 7 View
I am currently investigating the cytotoxicity of a series of herbal extracts, and like many studies, I have been using the MTT assay to evaluate cell viability. However, I am encountering a...
31 July 2024 193 4 View
What information we can get from PXRD analysis other than from SCXRD analysis of a crystal ?
30 July 2024 6,261 4 View
I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...
30 July 2024 6,420 1 View
Using SPSS, I made my edits in one bar chart — e.g., font type and size, hiding grid lines, and colours, namely: blue, orange, green, purple, and grey for 5 bars, respectively, etc. — and I saved...
29 July 2024 1,981 1 View