Hello! Does anyone know the enthalpy of reaction for the dissociation of lactic acid to lactate ion and hydronium ion? Is this simply the heat of formation?
I use the water method to extract the anthocyanidin from Peristrophe bivalvis (L.) Merr leave, then dilute 20 times with 0.025M potassium chloride, pH1.0 and 0.4M sodium acetate buffer, pH4.5...
20 January 2021 8,305 4 View
Dear Everyone, After submitting the job in Abaqus software and waiting 24 hours for running. The Abaqus automatically exited with a report that "Abaqus/Analysis exited with errors Socket...
19 December 2020 6,336 3 View
Hello, I have a question to ask about Kc (crop coefficients). How can I find crop coefficients (Kc) of durian? If there is no published data, is there any affordable method to replace Kc in ETc...
18 December 2020 3,388 3 View
Hello everyone! I have a problem with when the determination of available silicon in fertilizer by UV-Vis. I do that following method A 5-Day Method for Determination of Soluble Silicon...
10 November 2020 1,370 10 View
Hello, I am isolating lamina propria cells from intestinal tissues and I would like to add an extra step at the end to filter out cell debris but preserve my cells. Should I use a 22um filter and...
14 October 2020 3,266 2 View
Hello everyone, please help me. Recently, I am making cyclic oligomers of Poly(1,4-cyclohexylenedimethylene terephthalate), and the oligomers are only soluble in Trifluoroacetic acid while the...
27 August 2020 7,160 3 View
Hello all together, when I study microfluidic paper-based to detemination of nitrite, coffer-ring effect is my problem but I don't know how to do that to stop. I have attached the image...
30 July 2020 3,184 2 View
Book Mss completes in Word and publisher has asked for an index
12 June 2019 1,202 4 View
In these attached papers, the authors said that it can be used frozen permeability (FP) to determine PM flux linkage, Ld and Lq corresponding to rotor position, Fig. 11 and 12 of the first paper,...
13 December 2018 6,855 2 View
I am doing a research paper on how the education system in Israel has nurtured the entrepreneurial spirit in its citizen. But it is hard to find good sources ( books, journal articles and so on)...
16 September 2018 8,782 3 View
I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...
02 March 2021 4,443 2 View
Hello every body Does any one has any idea to help me choose a reasonable basis set for intermediate metal ions (i.e Fe2+, Mn2+, Cu2+ and exc.) interactions with guanine or other DNA organic...
01 March 2021 6,187 2 View
Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...
01 March 2021 8,169 2 View
based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...
26 February 2021 6,799 3 View
I have set up a qPCR run on MxPro with SYBR green and ROX as a reference, however, when I go to the analysis section the program seems to only collect data for the dissociation curves and not the...
25 February 2021 8,039 1 View
Hi! I would want to know if I can use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography. This column has a polyethylene glycol phase, but I can't find the manual to check...
22 February 2021 730 2 View
I have a fixed sample and would like to use the murexide reaction to test for uric acid composition. I no longer have fresh samples
22 February 2021 1,328 1 View
I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...
22 February 2021 5,324 3 View
I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?
21 February 2021 2,558 5 View
Hello! I am interested in determining whether a poly-unsaturated fatty acid I have engineered E. coli to produce is being incorporated into the membrane of the cells or if it is simply a free...
21 February 2021 7,447 2 View