I make my own cellulose triacetate by reacting cellulose with acetic acid, acetic anhydride and sulphuric acid. Any idea how to hydrolyze it to become cellulose diacetate? I have the dried form of cellulose triacetate as well
I uploaded two well logs to the "Well section window" of Petrel and they were attached together without any space. Then, I modified the horizontal scale from "relative" to "constant (50)". They...
12 June 2024 8,666 2 View
Hi everyone, We've got a plasmid we want to purify from E.Coli strain ATCC 25922. We usually use QIAGEN plasmid purification kits but we've never purified DNA from this particular strain. Would...
20 May 2024 3,803 1 View
Good morning, I am carrying out steam distillations with urea/water solutions on fresh rosemary, urea has a relatively low vapor pressure and in theory the vapors generated by this solution should...
30 April 2024 3,920 1 View
Hi ,I've woken up my electroporated picha pastoris strain from the glycerol stock at -80°C.from 2020. The literature said that it could be stored for years I tried to cultivate it, and the strain...
23 April 2024 5,940 8 View
Are there new projects and studies considering recursive approaches, in energy transition and resources, being empirically tested with regression analysis and models?
14 April 2024 7,024 4 View
Hello, I've seen that this question has been already asked other times on Reddit and ResearchGate but with different details. So I'm asking it too with my specifications. I need to prepare...
18 January 2024 171 0 View
Hi, I am modeling a packed bed in ACM. I have to write 3 differential equations. At the moment the model is under by 6, but idk how to write boundary conditions. Plus, shall the model be under by...
09 December 2023 3,527 0 View
I am doing a SIMPER analysis (in R) with the values relating to individuals contacted in different reproductive seasons to see how the surveyed bird community has changed, and which species...
05 November 2023 1,382 0 View
I'm working on a many-unit model that shows a deterministic phase transition driven by a control parameter that do not contain noise or disorder, and drives the system to chaos basically, but at...
28 September 2023 7,091 14 View
Hi everyone, I am interested in the RNA interactors of a specific protein but I am struggling a bit with the RNA extraction from the dynabeads (invitrogen) after CLIP. What I did until now was...
17 September 2023 2,256 0 View
Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.
07 August 2024 8,782 3 View
Greetings When one is to perform Simulation or modelling of Pyrolysis of Biomass Waste materials using Aspen Plus software, and one has both the macromolecules breakdown (Cellulose, Lignin and...
06 August 2024 5,023 1 View
Palmitic acid presence in aqueous fraction
05 August 2024 8,624 4 View
I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?
02 August 2024 7,186 6 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
Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?
29 July 2024 4,570 0 View
I would like to know the role of the TFA (trifluoroacetic acid) used on reverse phase chromatography c-18 column. It's is often used with a concentration of 0.1% on the mobile phase.
23 July 2024 8,075 3 View
Methionine, cysteine, homocysteine, and taurine are the 4 common sulfur-containing amino acids, but only the first 2 are incorporated into proteins. Sulfur belongs to the same group in the...
22 July 2024 4,273 4 View
As mentioned in literature the addition of CaCO3 to MRS Agar media is considered as an indicator for lactic acid producing bacteria, so I wonder if we can add CaCO3 calcium carbonate to any other...
20 July 2024 7,504 0 View
I synthesised a nanocarrier by conjugation MOF (MIL-100) with folic acid for use in chemotherapy but the samples didn't dissolve completely in aqueous solution or DMSO. Instead, they only...
19 July 2024 8,522 0 View