in other words, doesn't sodium citrate inhibit growth of Lactic Acid Bacteria?
Can i use sodium citrate instead of triammonium citrate in making MRS-Sucrose broth????
Hi We have alpha-amylase enzyme that written 5 units /mg protein on its container. How do I make 10 cc of enzyme solution with a concentration of 0.2 units/mL?
08 July 2024 2,285 2 View
Good day everyone. I'm working with eDNA Metabarcoding for freshwater fishes in Brazil, I ran tests amplifying positive controls and samples with the primer MiFish-U (Miya et al 2015) alone (no...
11 January 2024 5,109 2 View
Hi, I am trying to extract total RNA from chondrogenic micromass after 14days of chondrogenesis. I have used Qiagen RNAesay plus mini kit. It was extremely difficult to dissolve the micromass in...
29 November 2023 2,226 2 View
I want to prepare NBT solution, but I don't know how much NBT powder to dissolve in PBS. Also, I don't have a BSA, can I do the NBT test without a BSA?
14 November 2023 5,724 1 View
In the literature, mutual negotiation hasn't been considered in a cooperative game.
04 June 2023 1,217 0 View
As we know, asynchronous energy pricing such as double auction and negotiation allows the execution of several bilateral contracts between prosumers and consumers. In the case of a double auction...
04 June 2023 6,279 0 View
I am culturing menstrual blood msc and Wharton's jelly which do not grow well and die in part 4 and 5, especially Wharton's jelly does not grow well. While all the conditions are the same as...
03 March 2023 6,933 2 View
Hello, cardiac tissue engineers! I am a cardiac tissue graduate student, I have fabricated a 50-um cardiac tissue with cardiomyocytes, and want to characterize it, I fixed and stained my tissue...
23 February 2023 3,693 0 View
There are currently no guidelines for the use of genetic testing for SRNS in clinical practice. In SNRS cases What kind of biopsy results lead the physician to Genetic testing directly?
05 July 2022 7,976 0 View
I used a 2 M trifluoroacetic acid solution and hydrolyzed the EPS at 100°C for 2 h. How can I distinguish this method hydrolyzed the samples completely? I don't have access to NMR
19 May 2022 4,704 4 View
Hello everyone, A collaborator sent us his protocol in order to be able to use his immunohistochemistry kits. But one step contains PBS + 0.3% H2O2 + 0.1% sodium azide. Knowing the dangerousness...
23 July 2024 6,314 3 View
I need to make a stock solution for radioisotopic incubations of freshwater sediments to study dark primary productivity but I have some confusion as to how I calculate the concentration of 14C...
15 July 2024 5,898 0 View
During the release test of Amphotericin B using 1% Tween 80, i observed three peaks even in the standard. The first peak consistently yielded results around 500%, while the other peaks showed...
08 July 2024 1,330 0 View
I did some column tests in my lab where I needed to detect the DOC fractions using LC-OCD. For the abiotic columns I used sodium azide to restrict the biofilm formation. I did LC-OCD to detect the...
07 July 2024 468 0 View
Hello All, I've been facing difficulty in executing geometry optimization of a sodium polyanionic phosphate (Na4Fe3P4O15) crystal in CASTEP (please find the input and output files attached). When...
07 July 2024 8,626 2 View
Can this pH of 8 be due to the presence of other substances? Or do I have an error somewhere in the analysis? Thank you!
26 June 2024 9,093 4 View
I have been trying to grow Nicotiana benthamiana via tissue culture. I used ethanol and sodium hypochlorite with different concentrations and time duration for seeds sterilization and lastly...
18 June 2024 1,756 3 View
I want to replicate the third step, but there seems to be no reaction in an alkaline environment. However, sodium hydroxide is used in the literature. Should I switch to an acidic environment
05 June 2024 9,358 1 View
I'd like a powdered form of MCDB 131 Medium with sodium bicarbonate added, and I've noticed that not only is the powder form of this medium difficult to find with NaHCO3 already included, but the...
28 May 2024 1,631 2 View
Hello. I am here looking for help with the NO radical scavenging assay. I was working on setting up the assay with sodium nitroprusside and the Griess reagent as they do in most works. However, I...
27 May 2024 5,013 1 View