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Questions related to Column
If i take a crude nmr of my reaction mixture containing one reactant and product without adding any internal standard , is it possible to calculate yield of product integrating distinguish peaks...
06 December 2022 4,226 5 View
I have a very short window of collecting the water samples (50ml) and wont be able to culture them for a month. For how long I can store them and and is there anyway to increase the storage time.
29 November 2022 8,258 4 View
There are 7 lysines in my protein molecule. I would like to specifically biotinylate a lysine residue in my protein. How to block other lysines from being biotinylated? Is there a simple way to do...
29 November 2022 2,076 4 View
Hello all, I am creating a simulation for inventory management & demand allocation. I have 2 suppliers & I would like to separate the quantities ordered to each supplier since they have...
28 November 2022 7,918 3 View
Hi, I am looking for a company operating in the field of artificial meat. By operating, I mean production or advanced stage of pre-production. I am looking for because we have some good solutions...
25 November 2022 7,213 8 View
I struggle to find liquid scrubbing agents that can absorb carbon monoxide, NOx (such as NO2), and hydrocarbons (such as VOCs) in a wet scrubber. Can you help?
23 November 2022 3,606 1 View
Based on the acoustic-elastic effect, the ultrasonic method can measure the axial force of the bolt. Can it measure the torque of the bolt?
22 November 2022 1,195 1 View
Toluene oxidation producing some yellow brown colored product.
22 November 2022 985 5 View
Thank you. Resaerchgate is a good platform. #materials_studio #bioinformatics #drugdiscovery
21 November 2022 1,018 2 View
I just ran a western blot and set up the transfer correctly with correct orientation of the gel and the membrane, however, the ladder did not transfer onto the PVDF membrane and the membrane...
19 November 2022 580 2 View
I have to change my email to [email protected] could You change?
14 November 2022 4,220 0 View
I need to use the following data and equation to get the K value and plot the Langmuir isotherm, θ vs P, for a system where nitrogen adsorbes/desorbes molecularly from a surface. Data: ΔHads= 30...
12 November 2022 8,299 1 View
Hello dear RG community. I'm acquiring signal from pressure transducers and a turbine flow meter with NI USB-6009 DAQ board. I'm not sure how calculate the accuracy of the DAQ board. I've been...
10 November 2022 912 1 View
In the beginning, I was using Cs2Co3 as a base and Xantphos as a ligand, I was getting my final products without any problem, but for another amine derivative, these conditions didn’t work, so I...
09 November 2022 5,892 0 View
After completing the data preprocessing with eeglab, I want to check the source activation between 300-400ms using sloreta. so I wonder 1) For each subject, after averaging all trials, should...
08 November 2022 7,122 0 View
Hello, my name is Sujin, a student in the Department of Brain and Cognitive Science at Seoul National University, South Korea. I am trying to use the sLoreta program to try source analyze, but...
07 November 2022 9,723 5 View
Our primary interest is just understanding what is out there first, so I think we want to be able to count, size fraction, and maybe source plastic particles (the latter being least important in...
07 November 2022 9,665 1 View
Hello All , I have prepared activated carbon from locally available source . I am getting higher surface area around (1000+ m2/g) but the adsorption capacity is too less around 20mg/g for a dosage...
06 November 2022 5,380 5 View
Hello, I have a question regarding diatom cleaning using the hot hydrogen peroxide method. I have preserved my diatoms in ethanol (40-60% by volume), and plan to clean the diatoms using hot...
05 November 2022 9,610 3 View
I'm working on confocal imaging of attine ants fungus gardens, which are sponge-like fungal structures containing fragmented plant material and an associated bacterial microbiota. To look into the...
05 November 2022 4,608 2 View
I have made csv/excel file according to the directions. But when I try to upload it, the software shows an error message that the file format is not recognized. Then I tried to create a new...
04 November 2022 8,169 0 View
I have noticed such observations in my studies. How can I approach to study the kinetics of the system?
01 November 2022 4,248 4 View
I need to set an outlet stream oxygen concentration (mole fraction) to remain the same while the mass flow of the inlet air stream changes, I have tried a few approach with no luck. Thanks,
01 November 2022 2,081 3 View
I have seen in the literature that short chain poly-lactic acid (polylactide; PLA) oligomers are water soluble. But I am unable to find a commercial source of this type of oligomers. Does anyone...
01 November 2022 1,382 6 View