The range of UV-Spectrophotometer absorbance is 0-1. i have a 30 ppm chromium solution which shows 3 absorbance so shud i dilute it and how ??
In my current research, I am investigating the characterization of bacteria capable of degrading crude oil. The quantify the crude oil degrading ability of the bacteria, the existing protocol...
11 April 2024 6,686 3 View
Can any be from a plant background? i want to know that for digesting the vector and ligating the insert into the digested vector, is it crucial that we use chemicals from the same company as the...
21 March 2024 1,343 1 View
After transformation in DH5 alpha, I got positive colonies. I have confirmed it by PCR (using an isolated plasmid of positive colonies as a template to run PCR by Takara Taq) and restriction...
14 March 2024 3,786 7 View
I use the phenomenological model for the crystal plasticity simulations, where the shear strain can be taken as output. However, I require the shear strain rate on individual slip planes to...
08 March 2024 649 1 View
I have simulated the stress-controlled cyclic loading in DAMASK. However, I am having difficulty setting up the load-case file for strain-controlled cyclic loading between two given strain levels.
19 October 2023 9,772 1 View
2. In forest ecology studies, for which types of samples or datasets is the Margalef diversity index most applicable? Are there specific scenarios where it is particularly informative? 3. When...
12 October 2023 7,527 0 View
Hello everyone, I am trying to install boltztrap with a quantum espresso interface for doing thermoelectric properties. For this I have gone through various Boltztrap tutorial. I have...
07 October 2023 834 2 View
Dear all, I have the following data and questions related to the issues in the results. Independent variable I did an online survey and asked parents questions about neighbourhood-built...
26 September 2023 4,919 4 View
The CAD detector is not working properly. Could someone explain why that be the case? or the ways to try to troubleshoot it.
17 September 2023 771 1 View
I have been researching about bacterial isolation from petroleum\crude oil contaminated soil samples. While reading the papers, I seem to notice that everyone has a different approach for...
13 August 2023 3,807 0 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
I'm guessing it's because the ligand experiences too much electron repulsion or proton repulsion from the chromium to insert them close to the 3d-orbitals which are close to the metal nucleus. Is...
03 August 2024 1,370 1 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
How can we calculate the percentage of configuration interaction (CI) in the UV output data of the Gaussian program? for example: Excited State 17: Singlet-A 5.1359 eV 241.41 nm...
28 July 2024 9,165 2 View
it's important to know that we are using the inactive elements of Cs, Sr, Co
25 July 2024 1,553 2 View
I was performing estimation of Total Soluble Sugar content in bacterial cultures by Anthrone method. Out of 9 samples, only one sample showed positive reading while others had a negative reading...
22 July 2024 9,576 4 View
Hi, I need to measure the real-time (or temporal intervals) thickness variation of a transparent material from dry to wet/humid conditions, however, I cannot use the following techniques: -...
08 July 2024 4,799 4 View
I isolated a mixture of three compounds from the stem bark of a plant . I have NMR, Mass spec, IR, and UV data. There are a lot of things I can't make meaning out of. Kindly help me with the...
02 July 2024 9,531 4 View
zzz
02 July 2024 918 2 View