UV Spectroscopy range for Acacia Nilotica(babul bark), Terminalia chebula(Myrobalan Fruit), rubia tinctorum(madder root), bixa orellana(annatto seed)?

05 February 2016 0 2K Report

For the preparation of natural dye extracts from these sources, i want to know the peak range for Absorbance measurement?

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More Jaison Samuel S's questions See All

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

How to increase simulation box size?

We intend to study the interaction between peptides and polymer (like PP, PE and PS) through MD simulations using Martini force fields ( Martini 2 for PP and Martini 3 for PE, PS). We have...

08 August 2024 4,842 0 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

I am trying to obtain microstructure for Mg-Zn-Sn alloy?

Any suggestions with respect to etchant composition and holding time?

27 July 2024 6,925 2 View

How to get Scopus Author Index ??

18 July 2024 4,080 3 View

Dear researchers. pl help how to plot jablonski energy level graph and magnetic hysteresis curve in origin?

through origin software

17 July 2024 4,991 0 View

When Using SYBR Green for Flourescent Detection of LAMP Products what causes an Overshoot in Flourescence Reading?

The Graph below shows an example of an amplification curve that shows an overshoot in fluorescence. I am using SYBR Green, BST polymerase, and 6 LAMP primers in the mixture and amplifying at 65...

14 July 2024 1,483 0 View

What is social license to operate and consent in project?

Before entering a project, social license and consent from the community of the said area is very crucical as it determined whether the projects is accepted and viable to the community and...

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How do I compute SEM for percentages using SPSS?

I'm evaluating the reproductive performance of quails. I have the fertility, and hatchability percentages for six different sire groups and would like to determine the significant difference...

14 July 2024 2,203 5 View

Do software tools exist to assess the economic and technical practicality of introducing new food products, such as yogurt with modified starch?

This question explores the world of food innovation and asks if there are computer programs that can analyze the financial and technical feasibility of introducing new food products. For instance,...

13 July 2024 7,446 0 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

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

The Bigger You Are, the Harder You Fall (some lessons from Dinosaurs)?

Evolutionary fitness is based on an organism’s ability to adapt rapidly to changing environmental circumstances. Large-bodied mammals have been equipped with large brains (and hence a high...

06 August 2024 4,849 2 View

Are air moisture harvesting technologies effective in combating desertification?

Air moisture harvesting Air water collection devices

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Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View

State of art in natural disasters?

Are increasing the costs of disasters in the affected countries.

01 August 2024 1,794 2 View

How can I get my Granzyme B flow cytometry stain to be consistent?

I have used PE and PE-Dazzle 594 fluorochromes and have managed to get NK cells to properly show GranzymeB expression after 4 hr PMA/ionomycin stimulaton, but for some reason my CD8 cells in the...

01 August 2024 7,677 2 View

Can a Conventional 50W visible LED Lamp Emit UV Light?

I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....

31 July 2024 3,843 7 View

Posthoc test lettering in JAMOVI?

Does anyone know of a module for the JAMOVI software that is capable of generating mean separations using the classic letters based on post hoc results (e.g., Tukey test)? If, as I believe, such...

31 July 2024 3,333 4 View