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Questions related to Liquids
Does anyone know how to interpret DPPH results made on liquid extracts ? I tested some liquid extracts (seems like a tincture) with DPPH, I have 30% inhibition of DPPH at a concentration of 750...
10 February 2020 6,201 12 View
what is the best way to extract microbial DNA from this swab type?
30 January 2020 9,051 1 View
I have searched about it and electrical conductivity of ionic liquids are predicted by using formulas and ANN and there are some ways and programs to predict different aqueous solutions of salts...
27 January 2020 9,121 2 View
it was heard that the reaction mixture of liquid ammonia and Iodine is explosive. So, Kindly suggest some routes for this reaction to undergo without any harm. Thanks
24 January 2020 1,741 2 View
Hi everyone, I have frozen cells from a cat. Some frozen cells were sent out for cell transformation. Now I got the cells back. But the question is what tests I can do to examine if the received...
24 January 2020 6,533 4 View
If I use the Gruneisen equation of state for liquid form of water, do I need any justification? Are there other better models as the equation of state for the liquid form of water near constant...
19 January 2020 5,751 1 View
what is a procedure followed by a researcher to get a distilled form of aniline monomer? Please tell me the processes followed for the distillation of aniline monomer.
07 January 2020 4,491 3 View
I'm looking for a simple and quick way to immobilize Drosophila isolated CNS before Ca imaging without movement disturbance of the brain due to liquid containing stimuli application on it... Any...
06 January 2020 8,169 7 View
I am looking to snap freeze water samples located inside a rate freezer at subzero temperatures. By transporting liquid nitrogen through a copper tube adjacent to the vials containing the water...
20 December 2019 4,332 4 View
Currently I am trying to collect spores of antibacterial from liquid culture. i have incubated liquid media more than 10 days. i have plan to count spore by miles misra method(1983).
18 December 2019 875 6 View
Hi everyone, I have two questions : 1/ Is there another way besides liquid nitrogen to crush animal tissues stored in the freezer ? 2/ To homogenize samples , which buffer solutions would be most...
17 December 2019 5,446 3 View
I need the Thermo-physical properties of sodium such as latent heat,heat capacity, Vapor pressure,surface tension, volume density
06 December 2019 1,342 3 View
Hello I hope that you are fine I have questiin about data filling gaps. I have the date of liquid and solid input of one river, the liquid series is between 1943 and 2012 while the solid series...
29 November 2019 8,379 7 View
Hello, I am trying to calculate the rate of reaction of a reactant in both liquid and vapor phase. Any guidance will be highly appreciated.
25 November 2019 5,394 2 View
For example, water surface depressed by putting floating needle on water, or feet of water strider insect, whose surface can be expressed by an equation
21 November 2019 7,291 2 View
Hello I am doing a Schiff-base reaction between an aldehyde and amine. This reaction has been reported in literature in liquid phase and it takes about 72 hours. But when I use a solid-vapour...
21 November 2019 6,840 3 View
After polyaniline is prepared chemically using aniline and APS, the product is filtered off and washed using certain liquids. Different washing liquids have been used in the literature. Is it...
14 November 2019 4,460 4 View
Hi, Was looking for technical information regarding ultrasound attenuation in liquids, gases and gas-liquid (two-phase) mixtures. What are the classic studies (theory) concerning these? And what...
11 November 2019 1,034 4 View
Hello, I am trying to measure liquid height in a 20 ul capillary tube. (https://www.sigmaaldrich.com/catalog/product/sigma/p2049?lang=en®ion=US&cm_sp=Insite-_-prodRecCold_xviews-_-prodRecCold10-7)...
04 November 2019 4,818 3 View
Hey, How to determine effective viscosity of a liquid mixture of Newtonian and Non-Newtonian fluid? Is there any empirical method of determining this effective viscosity?
01 November 2019 4,235 4 View
I am storing bacteria for long term. I have made 50% glycerol stocks. Can I preserve them in liquid nitrogen? Please give me your valuable suggestions with reference. Thanks
18 October 2019 1,161 3 View
I need some help. I have been testing 10ppm and 5ppm AgNP on various surfaces for there anti-microbial activity. However when washing these surfaces with water, i get significant reduction in...
16 October 2019 1,439 7 View
I am attempting to make a liquid culture but was wondering what is the purpose of the trace metals solution when creating the liquid culture and if it is necessary for growth of C.elegans.
11 October 2019 5,687 1 View
Hi, how do you store your long term stabilates in liquid nitrogen? Submerged or in vapour phase? Thanks in advance for any advice!
04 October 2019 7,840 3 View