I'm producing biodiesel and I want to Know how to determine the ester content by using titration method not instrumental method because instrumental method is not available.
as per product specification standard, by gas chromatography.
Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.
03 March 2021 7,174 5 View
I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...
03 March 2021 4,116 4 View
Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...
01 March 2021 9,537 2 View
I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...
01 March 2021 6,985 3 View
I have to amplify a gene and my primers just reached. The Tm for Forward primer is 64.2, and that of reverse primer is 65.5. Can some one suggest how to get the best annealing temperature? Thanks...
01 March 2021 360 7 View
I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...
01 March 2021 3,703 3 View
Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?
01 March 2021 9,785 3 View
I have a virtual machine. My host Pc specs are not that good thats why i went for virtual servers. so basically my host pc has 8gb of ram with nvidia quadro k2200 4Gb DDR5 GPU ,processor intel...
01 March 2021 8,415 1 View
Is the period to autoclave not enough? The inoculation in a hood and flame and UV and alcohol.
27 February 2021 9,356 3 View
hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...
27 February 2021 734 4 View
Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...
01 March 2021 8,766 3 View
I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...
28 February 2021 6,477 1 View
I have been trying to have a good AAV titration for my production and I have tried different plasmids to set up as a standard curve but each one behaves differently. i am trying to use ITR for...
23 February 2021 5,167 3 View
Dear all, I'm conducting the revisions of some of my manuscript, with is the impact of the combination of Aspirin and a fruit juice in colorectal cancer cells. Two of the reviewers have asked to...
16 February 2021 3,141 3 View
Hello, I am planning to perform an ELISA-based assay to quantify the percentage of genomic methylation (5-methylcytosine) in human embryonic stem cells. I've been searching for some kits and I...
16 February 2021 8,389 3 View
I am trying to do the isothermal titration calorimetry study of quercetin. I want to reach a final concentration of 5 mM quercetin in HEPES or MES buffer with
15 February 2021 2,159 3 View
Biodiesels derived from waste vegetable oil transesterification with Ethanol (FAEE) show higher peroxide values than those derived by transesterification with methanol (FAME) prepared under the...
13 February 2021 193 6 View
I am looking into DNA methylation of mice as an aging marker along with other assays and recently I added brain IF to the list of assays. For this, I need to fix the brain by transcardial...
09 February 2021 9,012 3 View
I am trying to measure binding of calcium to an expressed protein we are studying and am getting very large heats of dilution for the calcium solution in my control tests. We prepared a 1 M CaCl2...
07 February 2021 7,532 1 View
Hello everyone. I am about to search for the expression of genes including p53 in methylated and non methylated HPV samples. Should I extract DNA from the methylated samples and use SYBR green...
04 February 2021 2,749 3 View