While phosphoric acid is generally considered more stable than nitric acid, nitric acid is known to react with tri-calcium phosphate (Ca₃(PO₄)₂) and dissolve it
Hello everyone, I am aiming to write a PHD proposal of 1000 words. The research is described by the supervisor. That means, research questions, aim, and instruments are well defined by the...
01 January 2021 6,291 7 View
Hi, I am trying to model the heliostat field of a solar tower plant using Matlab but unfortunately I failed to understand the calculation process of interception (Spillage) efficiency using...
16 July 2020 3,494 5 View
As I know, the natural gas supplied to the residential and commercial buildings is basically used for heating and maybe for cooking. But what are the other possible ways in which the natural gas...
18 March 2020 9,406 6 View
I am currently working on the design of a hybrid renewable energy system for a factory. I have obtained the monthly consumption of energy but unfortunately the hourly demand load is not available....
16 March 2020 6,386 14 View
I am using Protease Inhibitor Cocktails (VWR_M221-1ML). I reconstituted the inhibitor, but I am not sure how much of the protease inhibitor do I add to my sample. I am preparing the sample for a...
09 October 2019 9,615 3 View
I am aiming to analyse the natural ventilation for a given buliding. I need to study the air motion inside the building due to the natural ventilation. What are the recommended softwares for this...
08 August 2019 5,913 16 View
I am currently working on optimizing a hybrid energy system. I completed the deterministic analysis and I got the optimal solution. For the non-deterministic analysis , I quantified the...
26 March 2019 8,413 4 View
what we learned from an architecture?
07 March 2019 7,020 8 View
Through your architectural experience,What is the difference between space and place?
04 March 2019 4,082 36 View
In your opinion, any architectural movement is more suitable for satisfying human needs, 'Modernism', 'Post-Modernism', 'Deconstruction', etc.?
04 February 2019 1,837 5 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! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...
01 March 2021 2,215 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
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
I'm developing a UHPLC assay, and the fluorescent product is 2,3-dihydroxyquinoxaline. The reaction to produce this requires hydrochloric acid (about 1.2 M). Will storage in this acidic...
20 February 2021 5,820 4 View