Liquids that dissolve other substances (solutes), generally solids, without any change in chemical composition, as, water containing sugar. (Grant... | Contact experts in Solvents to get answers
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In the preparation of the medium for IAA determination, is tryptophan added to the medium and sterilized or is it added after membrane filtration?
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Dear colleagues, I am following a synthesis protocol for chitosan-functionalized silver nanomaterials where the pH is adjusted using ammonia water and HNO3 to achieve pH 5.0 for spherical...
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Dear colleagues and educators, We warmly invite you to participate in a short online survey about innovative methods and practices in higher education. The survey takes approximately 2 to 8...
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Hello, I want to simulate the turbine of a centrifugal pump to improve its performance in terms of efficiency and head by changing or modifying parameters such as the blade width (b2), blade angle...
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I am well versed in AFM analysis of DNA origami structures but would like to collect some TEM images of my samples to also be able to carry out elemental analysis. I have been trying to adhere my...
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Hello everyone, I am currently carrying out the synthesis of amines using the coupling agent DCC. However, the reaction always leads to the formation of the symmetrical anhydride and prevents the...
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I am dissolving 500 mg of o-phenylenediamine derivatives (4-chloro, 4-fluoro, 4-methyl, and 4-benzoyl) in 10 mL of ethanol. After complete dissolution, the solution is cooled and protected from...
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I prepared a one-step qRT-PCR (TaqMan) plate with RNA and master mix but couldn't run it immediately due to lab scheduling. It was sealed and stored at –20 °C. Has anyone tested if short-term...
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In a classical amperometric experiment (e.g. chronoamperometry at a bare electrode), the analyte is consumed at the electrode–electrolyte interface, and the current is limited by mass transport....
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DNA was extracted from a traditional rice variety and those were confirmed and diluted prior to the pcr amplification. PCR product confirmation was run at 125 V in the presence of 130 ml of 1X...
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Hello everyone, I’m new to DFT (Wien2k) and currently trying to calculate surface energies. For that, I need to determine the chemical potential of an element in its bulk form (e.g., Ni or P in my...
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Dear colleagues, I’m asking if anyone has experienced a similar issue with Google Scholar. One of my articles, published in January 2023 and indexed in both Web of Science and Google Scholar, used...
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The unaccounted IR drop is the resistance, caused by solution between the reference electrode tip (or Luggin capillary tip) and the working electrode, times the "current". But, in a 3-electrode...
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so i am facing this problem when i stored the SF solution at 4C temperature for use after one or two days it became a hard gel ...so can anyone please tell me is this convenient to put at room...
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Now I have complete the synthesis of 1-pyrimidine, 6-bromopyrene. Next step, I want to realize the sulfonation by replacing the bromine atom with sulfonyl. I wonder whether I can try SNAr2...
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