Dear All
What ASTM code for cosmetic stability test? May I know, is microbial test one of the cosmetic stability parameter?
Dear All I have checked OD(optical density) reading of microbe against dragon fruit peel extracted using uv vis. The wavelength use is 600nm. May I know as theorytically how this instrument get...
06 July 2018 1,936 0 View
Dear All One of my analysis is check antibacterial activity using zone inhibition test. The result found is no colony appear on the disc. The reason is might be high molecular weight, chemical...
03 April 2018 4,417 0 View
Dear All I have one manuscript entitled "Identify Type Of Phenolic Compounds Using Uhplc-Esi-Qtrap-Msms And Antibacterial Activity On Liquid Extract Of Pitaya Peel" What kind name of journal...
31 December 2017 7,852 6 View
Dear All I have a journal entitled DETERMINING THE CONCENTRATION OF MINERAL CONTENTS AND TYPE OF PHENOLIC COMPOUNDS USING ICP-OES AND QTRAP-ESI-MSMS ON LIQUID EXTRACT OF PITAYA PEEL. Which...
07 August 2017 4,725 0 View
What difference between phenolic acid and flavanoid, Can I said, phenolic acid have benzene ring that attached with 1 carbon or 3 carbon. Besides that flavanoid is combination from phenolic acid...
05 June 2017 8,717 2 View
Hi all What differences between polar compound and organic compound? polar is like charge positive or negative such as phenolic compound. Meanwhile organic compound contained C and H molecules. Is...
05 June 2017 5,465 0 View
what differences between ferrous and non-ferrous metals?are they include in the precious metal?
04 May 2017 1,877 4 View
Dear All Which one is better to determine phenolic compound inside the dragon fruit peel either use QTOF or QTRAP? ESI QTRAP is normal resolution but with ion trapping for better spectrum...
03 April 2017 9,643 7 View
Dear All I already analyzed dragon fruit peel using lc-qtrap-esi msms to identify type of phenolic compounds by using full scanning mode. Here I attached file for your perusal. Can I said this...
03 April 2017 2,286 2 View
Dear All I would like to know, let say i used method A in identification of active compound and another journals used method B to identify active compound, is it known as research gap? or...
10 November 2016 5,873 1 View
I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...
09 August 2024 5,048 2 View
Request Python code from this article : Gender equity of authorship in pulmonary medicine over the past decade. THANKS!
08 August 2024 6,242 2 View
Visual Studio Code (VS Code) has become a popular choice among developers for several reasons: 1. **Free and Open Source**: VS Code is free to use and open source, making it accessible to...
07 August 2024 7,013 4 View
I need the python code to forecast what crop production will be in the next decade considering climate and crop production variables as seen in the attached.csv file.
05 August 2024 2,977 3 View
We are planning to establish a microbial laboratory in our research center and are actively seeking the best disinfection methods. If anyone has any recommendations, please let us know. Thank you.
04 August 2024 1,973 1 View
N=6 Comparing pre and post test likert scale responses. Participants are mix of practicing & preservice teachers.
30 July 2024 7,233 4 View
all math can be traversed by code? all math can be translate to code?
26 July 2024 9,530 0 View
Accredited laboratory of JV "Uz-Kor Gas Chemical" LLC (Uzbekistan) is looking for providers to conduct interlaboratory comparison tests on gas chromatographic analysis of hydrocarbons (component...
25 July 2024 8,108 0 View
I isolated microbial DNA from marine water samples taken at various sites using the Qiagen Power Water DNA Isolation Kit, including a modified enzymatic lysis step. I encountered a situation where...
24 July 2024 9,688 0 View
Dear all, I gave 116 respondents 18 translated sentences and asked them to indicate their levels of acceptance of these translations on a five-point scale. Some translations result from strategies...
24 July 2024 8,245 5 View