I use in vivo jetPEI kit infection in mice, can I infection again? if can, how long I can injection again?
I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...
01 August 2024 9,227 1 View
> library(meta) Error: package or namespace load failed for ‘meta’ in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]): there is no package called ‘numDeriv’
18 July 2024 3,536 0 View
I used MDCK cells for my plaque assay for influenza virus and seeded 950,000cells/well in 6-well two days before infection. The virus was diluted in FBS-free MEM with 0.5ug/ml TPCK-trypsin. Here...
11 July 2024 5,669 5 View
Hello, I was attempting to download some sequences data from NCBI. The format "gene features" could help me extract certain gene fractions using the names, but I found that it seems to be...
04 July 2024 9,875 1 View
I synthesise intermetallic compounds through nickel and aluminium powders. But the pure powder after synthesis is difficult to obtain. Especially the presence of aluminium oxide very seriously...
01 July 2024 4,030 3 View
For the measurement of electrode reaction kinetics and electron transfer rate constant, using E. Laviron's model and RICHARD S. Nicholson's model, the greater peak potential separation indicates...
30 June 2024 580 3 View
"Nuclear-mitochondrial DNA segments (NUMTs) are mitochondrial DNA (mtDNA) fragments that have been inserted into the nuclear genome." (Xue et al., 2023) I would like to know under this...
20 June 2024 603 1 View
Hello. We have a sample with an unknown concentration of polyphenols. We're diluting the sample in order to perform the Folin Ciocalteau method. 0.2 grams sample / 4 mL 70% methanol and 30%...
10 June 2024 2,134 3 View
Why does the UV absorption spectrum of red quantum dot film not exhibit a significant absorption peak? As shown in the following Figure.
27 May 2024 4,288 3 View
As the title states, I am looking for a housekeeping protein for serum (for Western blots). This research is in the context of pregnancy so it has to take into account normal vs diseased (e.g....
15 May 2024 9,219 0 View
Hello, I am currently having problems with RNA extraction. I am using mouse liver (C57BL6J), and I have extracted RNA from mouse liver before. Before this experiment, my final RNA pellets were...
11 August 2024 7,082 3 View
I would like to understand potential safety concerns while handling SEB in the lab. Especially while working in animal house facility. Would like to know precautions for handling. Sigma MSDS...
07 August 2024 6,034 3 View
I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...
04 August 2024 9,913 7 View
I need to lyse and homogenise mouse tissues. So far I have experimented with liver and lung tissue, using matrix D. The liver was completely lysed with 6 repetitions of the standard program, but...
31 July 2024 9,186 0 View
I have immunized BalB/C mice with a protein using the intradermal (ID) method with Complete Freund's Adjuvant (CFA) and Incomplete Freund's Adjuvant (IFA), following a 14-day interval and three...
22 July 2024 9,160 2 View
To establish an orthotopic HCC model, C57BL/6 mice (male, 6-8 weeks) were orthotopically implanted with 3x106 Hepa1-6 cells (Over-expressed with a human gene) in 20uL Matrigel into the left lobe...
18 July 2024 9,177 2 View
What are the latest, modern and effective treatments for treating thalassemia and sickle cell anemia? If you find new research, please send it to me
28 June 2024 7,297 3 View
Could someone please confirm if those vacuolated structures are goblet cells? And whether the sections exhibit signs of inflammation. Context: I am conducting histological analysis of the...
15 June 2024 3,208 4 View
define cd
06 June 2024 9,533 5 View
I'd like to receive notifications of call for papers for any journal pertaining to my expertise (immunology, rheumatology, immuno-mediated liver involvement) from researchgate. Thanks in advance...
01 June 2024 1,352 0 View