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Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?
06 August 2024 980 5 View
Hello everyone！ I am currently exploring the performance of large models in understanding knowledge in specific domains, and attempting to construct a knowledge framework similar to what...
05 August 2024 5,729 2 View
Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity? What is the acceptable percentage of error (regardless of the metric)? Could you suggest...
03 August 2024 5,358 0 View
need to open an account to upload my published papers
01 August 2024 9,255 1 View
All plants are green but some of these plants becomes yellow. I did not found any reason. Please help me to find out the real problem.
01 August 2024 589 4 View
I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...
01 August 2024 9,227 1 View
Nothing
01 August 2024 755 1 View
Dear All, I am trying to transfect a pCDNA3.1 vector containing my gene of interest. The purpose is to figure out the localization of the protein of interest. I have fused the protein with GFP on...
31 July 2024 9,892 4 View
Hello. Thanks for your consideration to see my question. Recently, I conducted XPS anaylsis of g-CN that is prepared from thermal polycondensation of DCDA, so-called conventional bulk-g-CN,...
30 July 2024 9,824 2 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
Good morning/day/evening salaam I’d like to ask about the FRAP assay again. I have read some articles which represent the data of frap assay as mg trolox equivalent/L, mg ascorbic acid...
27 June 2024 5,239 0 View
Y=0.0011x+0.1031 (Standard curve eq) Chamomile sample 20mg/mL Absorbance(y)= 1.16 x=960.82(µg/mL) Chamomile sample 10mg/mL Absorbance(y)= 0.80 x=633.55(µg/mL) Tridax sample...
01 June 2024 7,843 0 View
I am working on the Primary neuron cell. I am trying to observe the stress granule in the cell. For that, I have done transfection with my gene of interest and treated the cell with Arsenite. I...
17 April 2024 790 1 View
Hello everyone, In my lab we are currently using the FRAP, ABTS, and DPPH assays to analyse antioxidant activity in medicinal plant extracts. However, we have recently received constructive...
05 March 2024 8,954 3 View
I have prepared the FRAP reagent according to Benzie & Strain (1996). My samples are essential oil nanoemulsion. However, after adding the FRAP reagent into the sample, it doesn’t turn blue....
05 February 2024 2,765 1 View
Hi, can someone suggest some research about the negative correlation between DPPH and FRAP values? Is it possible to determine a decrease in DPPH values while FRAP values increase in the same sample?
04 December 2023 8,460 1 View
Is it by using the inhibition (%) formula or simply plot a standard curve using absorbance and concentrations? If using the inhibition (%) formula, Is it correct if the negative control color is...
05 November 2023 5,248 2 View
I want to do the antioxidant test for C.ternatea flower aqueous extract but im not sure how to prepare the sample? Should i dissolve in distilled water or methanol? There will be several...
28 August 2023 5,707 4 View
Some papers refer to calculate FRAP value as FRAP value = = [(A1 − A0)/(Ac − A0)] × 2, where Ac is the absorbance of the positive control, A1 is the absorbance of the sample, and A0 is the...
13 August 2023 8,588 3 View
I performed FRAP on a lipid membrane and got the fluorescent intensity curves over time. I need to calculate the diffusion coefficient of the fluorescently labeled lipid. Can anyone suggest a...
07 July 2023 5,822 1 View
