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ايهما اشد خطور وتاثير علئ النبات الامراض فطرية أو الامراض بكترية
31 December 2017 659 10 View
Hello Are there any types of DNA? Does DNA differ from Eukaryota and Prokaryotes? مرحبا . هل يوجد انواع ل DNA وهل يختلف DNA كأنات حقيقة نواه عن غير حقيقة نواة
31 December 2017 6,376 4 View
كيف نفرق بين الاصابه بالامراض او حشرات وبين نقص العناصر على النبات او تاثير ظروف بيئية على محصول كيف نحدد السبب وماهيه افضل طريقه في ذلك
11 December 2017 1,919 1 View
اذا اعطيتك ورقه بيضة وقلم وقلت لكت اكتب امنيتك لعام 2018 ماذا سوف تكتب
11 December 2017 8,253 9 View
كل عام وانتم بالف خير
11 December 2017 5,287 0 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
Greetings When one is to perform Simulation or modelling of Pyrolysis of Biomass Waste materials using Aspen Plus software, and one has both the macromolecules breakdown (Cellulose, Lignin and...
06 August 2024 5,023 1 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 3,246 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 2,033 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
Methionine, cysteine, homocysteine, and taurine are the 4 common sulfur-containing amino acids, but only the first 2 are incorporated into proteins. Sulfur belongs to the same group in the...
22 July 2024 4,273 4 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