What is the role of glacial acetic acid in the ring closure of Schiff bases?
the glacial acetic acid remove water molecule from the -NH2 and -CHO, so according the position of two grps. may be closed the ring.
I seek to understand the theoretical basis for selecting the optimal temperature for the thermal regeneration process of exhausted adsorbents, such as activated carbon loaded with dye molecules....
28 June 2024 1,867 3 View
I am using CTAB method (Naser M. Salameh et al., 2014) for fungal DNA isolation and purification. During reagents preparation I am not sure weather I should autoclave 2X CTAB and Wash buffer. So...
09 June 2024 8,470 2 View
How can we choose the weight matrix in the Convolutional Neural Network? And how this matrix is related to the kernels used in the algorithm?
01 June 2024 2,150 2 View
I need a code of opensees python for 3d structure for IDA analysis please introduce a good source for this.
30 May 2024 8,926 3 View
Can anyone interpret why the absorbance (DNS assay method) in alpha amylase assay get increased with increased standard (inhibitor) concentration? it should be decreased with increased standard or...
26 May 2024 4,753 2 View
I have a protein that is 117 amino acids long, with a 21 amino acid transmembrane domain at the C-terminus. I've cloned this protein into the pET28 expression vector in BL21, but am not seeing any...
20 May 2024 8,161 2 View
Please, if anyone has the GRTensorII (not GRTensorIII) algebra package for Maple send me. I tried to get it but I couldn't.
19 March 2024 8,067 0 View
require scientific analystis
15 February 2024 1,488 0 View
hi all I need any data about the influence of avian influenza H9 on broiler and layer performance, I mean the infunece on egg production, immune response, body weight gain, feed conversion rate,...
13 January 2024 4,360 0 View
Hello..... Please, I have a question: Can nanoparticle oxides be used as direct corrosion inhibitors for copper alloys?
08 January 2024 5,142 8 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
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
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
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
I don't have the anaerobic generators (Anaeropac) so I'd like to try the candle-jar tecnique for the cultive of lactic acid bacteria
15 July 2024 8,890 2 View
15 July 2024 2,414 1 View
I am working on probiotic bacteria for fish, and I am trying to isolate probiotic bacteria like lactic acid bacteria or other probiotics from the gastrointestinal tract of fish using different...
12 July 2024 3,756 4 View