Maybe there are more fresh data than old reference in Sigma-Aldrich?
at the preparation of the C18 alkyl silica, the paper used n-pentanol to dissolve PVP, in my lab I have 1- butanol. Could it be the same?
20 May 2024 5,933 1 View
Hola a todos/as! ¿Cómo estás? He visto que existen apps con AI para asistir en la transcripción de grupos focales. Probé uno (Notta) que tiene una versión no paga que alcanza para testearlo y no...
17 April 2024 640 0 View
Could you please clarify how to add robust (white) errors to the function -xthenreg in Stata14? I am running Threshold GMM Estimator (Seo and Shin (2016)) for my panel (N=60, T=28). Commands such...
03 April 2024 8,500 1 View
We use Aracons for Arabidopsis but need something to contain larger plants in larger pots. All garden supplies stores I've been in person and online only sell sleeves with 10cm bottom openings,...
02 April 2024 9,337 0 View
Dear colleagues, I am working on a project in which I want to deliver oligonucleotides (specifically, molecular beacons (MBs)) inside different protist species. To do so, I am going to use...
18 March 2024 2,778 0 View
1.1.- Reducir los obstáculos de las personas víctimas o posibles víctimas de trata con fines de explotación sexual y sus hijos/as en su acceso a recursos, prestaciones y ayudas forales. 1.2.-...
10 March 2024 8,166 1 View
I am designing two RF tracks (Transmission lines) based on Grounded Coplanar waveguide. The length of both tracks is same, but there is still a phase difference between two tracks.
16 February 2024 6,718 2 View
Dear colleagues, I am designing RNA molecular probes for FISH, and I want them to adopt a hairpin structure. I have checked for the possible secondary structure formation of some of the candidate...
14 February 2024 7,811 2 View
If i delete my google sholar profile, and 30 days for recovery profile pass, can i create a new one?
14 December 2023 8,328 3 View
I have tried to find it online but couldn't.
13 December 2023 489 1 View
Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.
07 August 2024 8,782 3 View
Dear readers, Thanks for your attention. I am wondering about the health economic problem of quantifying the value of interventions which a) prevent, b) improve symptom profile and c) ultimately...
05 August 2024 3,245 1 View
I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...
31 July 2024 2,030 1 View
Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?
29 July 2024 4,570 0 View
I am currently performing cell-free DNA (cfDNA) extraction from plasma using an in-house developed kit that employs silica-coated magnetic beads. My protocol works effectively with plasma obtained...
28 July 2024 3,559 0 View
I have been looking for the principle of Cysteine-carbazole-sulfuric acid reaction in research papers and books, but couldn't find it. This reaction is mainly used for the quantification of...
23 July 2024 3,891 0 View
Sulfuric acid has changed color to yellow.
16 July 2024 6,964 0 View
Hi, Attempted to extract cfDNA from a 4 mL plasma sample, with poor yield. Went through the manual in the section regarding poor yield, and feel that this does not apply. Some potential...
14 July 2024 7,475 1 View
Hi all, I am conducting research on screening peptides (20-35 amino acids) with potential for treating dengue fever through protein-peptide docking methods. In the protein database, I found the...
10 July 2024 8,036 1 View
Penconazole 1. CGA 132465 2. CGA 190503 3. CGA 127841 Fluopyram 1. AE C656948-benzamide 2. AE C656948-pyridyl-acetic acid 3. AE C656948-carboxylic acid I have searched on sigma aldrich as well...
09 July 2024 3,414 2 View