What bond should I use between them? (none, single, coordinate)
The addition of Na2CO3 in TPC estimation creates an alkaline medium for phenols to get unstable, however whenever I add 2 ml of 20% of Na2CO3 to 1 ml of gallic acid extract and 0.5 ml of FC...
14 May 2024 5,478 2 View
I am facing some what difficulty in understand different types of compartment and non compartment model. So can someone help me out in this ??
13 May 2024 931 0 View
For the estimation of beta-carotene by acetone extraction method using petroleum ether and sodium sulphate at 453 nm. it is known to all that the extinction coefficient of beta-carotene at 453 nm...
16 April 2024 3,739 1 View
There is a define calculation method of apparent specific gravity. But do we have a method to calculate apparent density? is bulk density and apparent density same? or different ?
13 March 2024 3,513 0 View
Hi, I am trying to purify alpha synuclein protein from E.coli BL21(DE3) cells. The plasmid is pET21a alpha-synuclein. Can anyone help me with the protocol. Thank you
15 January 2024 8,876 2 View
I'd prefer not buying any separate commercial media because of the cost. Please suggest what growth factors or vitamins can I add to DMEM KO other than glutamax, penstrep and bFGF for the MSCs to...
08 January 2024 6,443 3 View
Can someone please help me by providing the values of electronic properties (bandgap,electron and hole density of states, dielectric permittivity and electron and hole mobilities) of Niobium...
02 January 2024 3,962 1 View
I am a beginner in this software and i find it hard to understand it. Kindly help me with this.
01 August 2023 4,043 1 View
I read one paper where
29 June 2023 834 8 View
I performed photocatalytic degradation experiment under direct sunlight. The original dye solution was showing lesser absorbance value than the solution kept under direct sunlight in presence of...
12 May 2023 3,293 6 View
Hi all, my experimental XPS results shown that my C3N5 sample consists of N-H bond, hence in this case I should incorporate the N-H bond into my DFT modelling. However, I do notice several papers...
07 August 2024 8,414 2 View
I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...
31 July 2024 2,033 1 View
It has been long known that EDC carbodiimide and NHS easter's half life agains hydrolysis are highly related to pH. However, very surprisingly, not yet found a paper giving a table/chart of their...
25 July 2024 8,738 0 View
The resin bonded carbon containing refractories are aged before use. How time of aging is determined? And mechanism behind aging.
23 July 2024 3,205 0 View
For a partition of an integer \lambda, what does the difference \lambda_j - \lambda_{j+1} represent in relation to the conjugate partition, , with \lambda_j being the j-th element of \lambda?
23 July 2024 8,008 1 View
So i have a few peptides (synthesized by SPPS and not cleaved from resin) and I want to add a maleimide label. We have NHS-PEG-Maleimide and from literature it is evident that the free amine group...
18 July 2024 4,075 3 View
The adsorbate is Arsenic and the adsorbent is a soil
18 July 2024 332 8 View
Hello, I'm trying to create parameter and coordinate files for a drug (PRG-A01) found on the following page: http://www.probechem.com/products_PRG-A01.html I used the guide made by Michael...
17 July 2024 3,472 3 View
I need Anti-Claudin8 Primary and Anti-Claudin2 conjugated Ab for my immunofluorescence experiment. If anybody has worked on it. Please share the accession number/details.
14 July 2024 485 0 View
I have to compare the FTIR of the two samples, one is in powder form and other one is the powder dispersed in IPA or water. Both are same material, so how the bond will change
09 July 2024 8,011 2 View
