Can anyone suggest how to avoid retention time shift in biogenic amine estimation using a UV-VIS detector?

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What will be the power value for SNP study in Sample size of 30?

05 June 2018 7,072 0 View

How could i minimize the amplification of Allele specific primer?

when am doing ARMS PCR both WT and MT amplified equally? how to minimize WT amplification?

04 May 2018 8,834 3 View

How to calculate power value for Polymorphic studies?

how to calculate power value for Polymorphic studies and how to predict the sample size to get optimum power value ?

03 April 2018 3,438 0 View

How a SNP in intronic region of TCF7L2 lead to T2DM.?

How a mutation in introns affect the gene expression. if a SNP is not present in any downstream regulatory elements but in somewhere intermediate region of intron and how those polymorphism...

02 March 2018 5,975 3 View

Will the sequence specific primers for the real time PCR work with ordinary PCR amplification?

Will the sequence specific primers used for the real time PCR will work with ordinary PCR amplification?

01 February 2015 750 5 View

How to get the whole genome of the wistar albino rat?

I would like to design the primer pairs for Monoamine oxidase gene, can anyone suggest me how to get pre designed primers for monoamine oxidase or how to design it for the wistar albino rat from...

01 February 2015 3,691 0 View

I need ChemBioDraw ultra software in full version?

Can anyone suggest me how to download full version of ChemBioDraw for free

01 February 2015 1,408 0 View

Can anyone suggest to me what the concentration or level of heavy metals are in human serum sample according to WHO guidelines ?

I wish to know the concentration or level of all heavy metals in human serum sample and tissue samples according WHO guidelines?

08 September 2014 3,791 8 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

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 980 5 View

How can I add own Henry coefficients in Aspen Plus?

Hi, i would like to simulate an absorption process in Aspen Plus. I want to use the NRTL model und would like to add some individual Henry coefficients. Is that possible and how?

05 August 2024 2,333 2 View

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

Good Day, can I ask for your help on the questionnaire that I want to adopt?

I am currently looking for a questionnaire that relates with my study which is The Effectiveness of Organizational Culture towards employee retention rates

03 August 2024 3,505 6 View

Why is TLC not a form of partition chromatography?

Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?

03 August 2024 7,035 3 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

Conjugation of PEG-Amine to an Amino Acid Using EDC?

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