Extraction and Identification Bioactive Compound of Corbicula fluminea?

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RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 3 View

How to develop an academic literacy program for engineering at the higher education level?

Information literacy in higher education integration with curricula engineering

04 August 2024 5,368 3 View

¿Are oxygen vacancies in semiconductors capable to change the band gap?

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

What is the solubility of Iron (+3) in Bismuth Oxide?

Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco

29 July 2024 2,163 1 View

How to create parameter and coordinate files for ligand in amber when FATAL error (maybe due to duplicate bond specifications) happens?

Hello, I'm trying to create parameter and coordinate files for a drug (PRG-A01) found on the following page: http://www.probechem.com/products_PRG-A01.html I used the guide made by Michael...

17 July 2024 3,472 3 View

How can i generate a CRISPR knockin mutation zebrafish model with a reporter?

Hey! I aim to generate a transgenic knockin zebrafish line that mimetizes a genetic condtition that leads to a certain disease on human. To do so, I need to insert a codon for mutagenic aminoacid...

14 July 2024 6,240 0 View

What should be the best Lumens range for T8 (120cm) full spectrum LED lamp tubes?

Please (for Arabidopsis), what could be a good Lumens and color range (Kelvin) range for full spectrum LED lamp tubes size T8 (120cm) for each shelve measuring 130x50 cm (length x width) and 60 cm...

11 July 2024 6,078 1 View

I need help to write a good simulation of the solar system and its travel around the galaxy.Can you help me finish the code?

This is the code I have. I would need: An initial configuration (position and momentum), the orientation of the ecliptic with respect to the direction of travel by the sun, The orientation of the...

09 July 2024 6,063 2 View

Cross Attention in Transformers: Standard applications of the same ?

What are the standard applications of Cross Attention in Transformer Architectures ?

09 July 2024 9,310 2 View

?como elimino articulos que no son propios?

eliminoar articulos que son de tu autoria

05 July 2024 2,107 1 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

Strugglling with m6A dot blot any suugesstion ?

I have been doing the m6A dot blot for a while with no improvement, I am extracting the RNA, and I can see the dots although the three biological replicas give a different reading on the memberan...

10 August 2024 8,539 5 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

Maurice Ekpenyong

Follow the general methods of extraction of chemicals especially solvent extraction. See the attached document, please

Gilles Degotte

A classical bioguided fractionation will be certainly a good starting point

Marco Flores De Guzman

Gilles Degotte do you have any files for that? thanks

Dear Marco Flores De Guzman

An example could be find here :

Article Antimalarial Activities of Alkyl Cyclohexenone Derivatives I...