Several studies diluted the digested solution of e-waste but what is the purpose of this procedure?
Because all most standards are diluted with 0.5 M HNO3. The sample and standard should have the same concentration of acid.
Hello. I am new to cell culture work. May I know whether these small black dots are contaminants or just cell debris? It's quite confusing because they are not moving. This is different from the...
02 May 2024 8,479 1 View
I did my lab and found out one patient got PI2 and PI4 positives due to fever. Hence, I need confirmation if anyone gets the same result as me.
24 April 2024 1,322 1 View
I was trying to calculate the polarization value of FE-ZB' Ga2O3 monolayer using VASP. I also tried with LCALCPOL tag in VASP, but it shows it is not an insulator, hence it will not be calculated....
24 April 2024 3,503 0 View
for example: I am using a refrigerator for 3 years , recenly, 2/3 months ago the noise level seem increased. I made a complain to the refrigertor manufacturing brand. Now, how the R&D team of...
27 February 2024 6,870 2 View
PEH can use in micro and macro system. Is Micro system feasible for PEH for application like medical implant, Wireless Sensor Network or else?
02 February 2024 1,065 2 View
Hello ResearchGate community, I'm looking to calculate the Standardized Precipitation Index (SPI) using distributions other than gamma in R. Any guidance or code examples would be appreciated ....
05 September 2023 7,540 2 View
My compounds is choloro benzaldehyde and it is insoluble in water , i am willing to do biotransformation in LB (Lysogeny Broth )media , what should i do?
22 August 2022 5,006 2 View
My compounds is choloro benzaldehyde and it is insoluble in water , i am willing to do biotransformation in LB (Lysogeny Broth )media , what technique might be useful which doesn't affect yeast...
22 August 2022 702 1 View
Hi I have a problem to get the mRNA from larva of hookworm. Can anyone suggest me with the procedure?
31 July 2022 1,174 1 View
I digested (105 degree C) Polyhydroxybutyrate (PHB) polymer in Chloroform:methanol solution, and after cooling, 1 volume of the water was added, the pH of the mixture was very low (
09 March 2022 9,473 0 View
Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?
06 August 2024 980 5 View
I want to introduce a point mutation (change in one nucleotide) into my gene of interest (DNA binding domain) I have designed primers as recommended on the Data sheet of the kit : -Both primers...
05 August 2024 9,059 3 View
Hi, i would like to simulate an absorption process in Aspen Plus. I want to use the NRTL model und would like to add some individual Henry coefficients. Is that possible and how?
05 August 2024 2,333 2 View
Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...
05 August 2024 3,783 2 View
Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?
03 August 2024 7,035 3 View
Recently I'm trying to use Sep-pack C18 1 cc Vac Cartridge (Waters: SKU: WAT054955) to desalt digested peptides. However, the recovery rate is usually 40-60%. What is the normal recovery rate?
31 July 2024 6,544 11 View
Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.
31 July 2024 9,140 2 View
Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...
30 July 2024 8,339 2 View
Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...
29 July 2024 1,376 0 View
Hello Everyone! I am trying to create a metal hydride system where I am trying to create a temperature control with the emphasis on measuring the concentration of the hydrogen with the hydrogen...
29 July 2024 7,577 2 View