We are using the Genomic DNA kit from Qiagen, we have enough DNA and the 280-260 ratio is 1,82 . Our trouble is the A260-230 it has to be 2-2.2 and we have 1.67. I think it maybe due to amount of chitin from exoskeleton. Any suggestions?
Hi, I have several doubts about one paper (Systematic Literature Review) that was rejected. The main topic is Single-Board Computers in engineering education during the period 2010-2020. The...
01 March 2021 9,015 3 View
Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...
22 February 2021 3,653 11 View
Hi guys, I am facing problems to interpret a DMA results. Material: Composite Bisphenol A + curaua fiber What is being tested: the influence of fiber volume on the composites properties...
12 February 2021 174 7 View
I am very new to quantitative PCR and need some help for this technique. For my experiment, I need to perform a quantitative reverse transcription PCR. I extract the RNA from my pellet and...
05 February 2021 9,834 4 View
My study aims to find what factors that lead to nurse stress are most significantly associated with nurse absenteeism. So the questionnaire will ask about these factors through a Likert scale...
17 January 2021 7,388 8 View
Hello, I hope you are all doing well. I have a question regarding my treated cells group. I plan to do western blot and qRT-PCR for my treated cells. However, to save time, I would like to...
06 December 2020 1,390 5 View
Hi, I'm trying to run MrBayes 3.2.7 with a matrix of 37 species and 20561 nucleotides. I consistently receive the following error: MrBayes > Execute...
18 November 2020 3,867 3 View
for western blot analysis the buffer in which the antibody already is, written in the datasheet, or should I use already the bsa or milk solution that I use for final diluition?
17 November 2020 4,804 3 View
I need to perform a co-extraction of DNA and RNA from pools of juvenile Daphnia magna. I used the AllPrep DNA/RNA Mini Kit (QIAGEN) but with poor results in terms of DNA yeld and quality. I would...
22 October 2020 9,746 3 View
Good day, I hope you are all doing well. I was designing primers for Caspase 9 and sometimes, the designed primers in NCBI have transcript variants for the same gene (Caspase 9) but at the same...
05 October 2020 352 3 View
Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...
01 March 2021 1,843 2 View
Hello, I am looking for alternatives or cheaper materials to isolate out MS2 from E. coli following lysis via chloroform. Some literature I have reviewed uses a .45 um nanopore filter following...
02 February 2021 807 3 View
Hi there, I'm looking for a High Molecular Plant DNA Extraction Kit for subsequent Nanopore sequencing. Does anyone have experience using commercially available kits? Any...
03 January 2021 9,487 4 View
Some Oxford Nanopore kits have Primers with 5 ' modification that provide ligation to adapters without the need for ligases (ligase-free method), as in 16S barcoding kits. Does anyone know what...
21 December 2020 8,612 3 View
I awaiting whole-genome sequencing reads from the ONT PromethION sequencer. I want to know which sequence mapping tool can I use for those reads? The genome is S.cereviseae and I don't know if a...
22 November 2020 944 3 View
Hi, I am going to perform MD simulation for the Nanoporous Graphen sheet. I know how to make the pores in VMD. But when I tried to make the data file it was lacking a lot of parameters such as...
20 November 2020 3,629 2 View
I would like to know what other reagents can be used to obtain chitin by deproteinizing a sample. Commonly found on articles is the employment of NaOH concentrations as well as KOH. I would like...
16 October 2020 537 6 View
There exists a considerable body of literature on the application of exoskeleton as an assistive tool in the area of gait or balance therapy. I am interested in finding out more about the...
06 October 2020 9,317 3 View
Total nitrogen was calculated with Kjeldahl method, I found different equations and factors ''Total nitrogen content of shrimp waste was determined using the Kjeldahl method. Separately, pure...
17 August 2020 4,572 9 View
I have the Illumina reads and assembly of my bacteria from pure culture DNA sequencing and the nanopore sequencing data from the metagenome (DNA of co-culture). Does anyone know the best way to...
14 July 2020 6,516 3 View