Pls help me
21 February 2021 5,601 3 View
26 December 2020 1,951 3 View
I cannot find any supplier in Europe of this dye. Than you !
04 October 2020 9,305 2 View
I am performing a systematic review and the majority of published papers are case reports. In the same way we use the Newcastle-Ottawa scale (NOS) to evaluate the methodological design quality of...
13 September 2020 2,373 5 View
The high rate of proliferation required of stem cells could produce genetic instability which may result in sporadic cancerous cells. Is there any research on this?
10 September 2020 3,666 1 View
For crystallization we need a very good solvent to make a very clear solution, at least a good quantity of our solute is dissolved. However in our case we have to use an anhydrous solvent that...
17 June 2020 4,562 4 View
Hi everyone, It may not be a problem really but...I was very surprised because although in manuals and from my experience, I know that the Ta can differ up to 5 degrees or more from the Tm of the...
19 November 2019 8,770 3 View
Hii! So I designed for my next experiments a quite complex panel and I have a few questions about how better proceed for treating my Abs and building my compensation. So I have a Fixable...
14 November 2019 6,590 3 View
Hi, I'm trying to design a reduced scale model of a turbine tested with glycerol. The prototype idea is to install a turbine in tailings flux to recover a percentaje of energy from it. The...
22 October 2019 9,239 3 View
In Ecuador, entrepreneurship is in vogue. The country has a legal framework that normalizes the articulation of Education and Entrepreneurship. In addition, Ecuador has the highest rate of Total...
15 July 2019 7,807 6 View
I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...
02 March 2021 1,408 1 View
Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...
02 March 2021 3,024 2 View
01 March 2021 3,905 5 View
Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?
01 March 2021 8,087 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 come up with a method and had written a paper on it. Paper got rejected by a journal stating that there is no theoretical novelty. I am kind of confused on why the novelty that I am able to...
28 February 2021 2,393 8 View
Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...
24 February 2021 2,602 1 View
Looking for method of extracting and analyzing vitamin D in foods by HPLC
24 February 2021 7,524 7 View
What HPLC Marker(s) or standard is used to detect and quantify anthocyanins such as Delphinidin, Cyanidin in a given sample of plant extract?
23 February 2021 1,832 4 View
My baseline increases without any explanation, it is only fixed by changing the solution B, will it be the column? Reagents? Bomb? Detector? Solution A: H3PO4 0.01% IN WATER Solution B: H3PO4...
21 February 2021 5,656 3 View