18 July 2013 4 174 Report

Glycerol from biodiesel production (from coconut oil)

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How to eliminate imaginary phonon frequency in phonon dispersion of Coved Graphene Nanoribbons?

Dear all, I want to calculate the phonon dispersion of 4CNR-1-0 (structure is in Fig. 2 (b) in this article Designing coved graphene nanoribbons with charge carrier mob... ) and then calculate...

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Synthesis poly(N-isopropylacrylamide) through ATRP by using CUBr/PMDETA?

Monomer: NIPAM; Initiator: BiBB; Catalyst: CuBr; Ligand: PMDETA I added CuBr and the mixture was blue, after that, I purged with nitrogen for 30 minutes and the mixture turned green. The mixture...

27 May 2024 9,144 1 View

How to determine decision limit (CCα) according to CIR 2021/808?

CIR 2021/808 written as "the CCα shall be calculated as follows: Method 1: by the calibration curve procedure according to ISO 11843-1:1997 ( 14) (here referred to as critical value of the net...

13 May 2024 9,481 0 View

Time to vacuum the chamber of the E-beam evaporation system?

We bought the E-beam evaporation system without a loading chamber. until now, we have used this system about 20~30 times for the deposition of Al2O3, Ti, Au, and Al having thicknesses from 50~100...

23 April 2024 5,156 4 View

Testing methods to determine a non-gene-silencing enzyme inhibitor?

I've recently been trying to investigate the inhibition of H2S-synthesising enzymes: CBS, CSE and 3-MST, via PCR. We've ordered EGCG, PAG and i-3MT-3 to inhibit each enzyme respectively, and have...

16 March 2024 392 1 View

What are the statistical approach for servant leadership in F&B?

To have multiple case study exploration among Malaysia restaurants that study the impact of servant leadership, what are the best statistical approaches for the case studies?

01 March 2024 2,737 1 View

How to reduce the collapse of microfluidic chamber?

During the fabrication of the microfluidic chamber (check its structure in the file, a 5x2.4mm microfluidic chamber with height of 20 μm), the ceilings of the chamber often collapse when bonding...

27 February 2024 6,330 3 View

Why it is necessary to dilute the concentration of surfactant during the process of crosslinking of droplet microfluidic produced calcium alginate?

I see in some references like doi: 10.1021/acs.analchem. 1c02335 and /10.1016/j.colsurfb.2022.113114, mention that it is necessary to dilute the concentration of surfactant during the process of...

27 February 2024 9,571 2 View

Continuing PCR with contaminated reagents?

I want to test out some new primers, but I know from past PCRs that at least one of my reagents is contaminated. I'm on a time crunch to finish my project and am not sure if I can get new reagents...

21 February 2024 4,799 0 View

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