How to determine concentration of 2nm Silver Nanoclusters using UV-Visible spectroscopy?

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I'm working to find the document similarity among different news articles. Can I use cosine similarity measure and word2vec together ?

After extracting news from different news websites, I need to find the similarities between them. Which are the best techniques I can use for finding document similarity ? I'm planning to use...

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Is that OK to prepare TE buffer at pH 10?

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Ecological parameter calculators?

What software are more advance and accurate for biodiversity indices calculations now a days in Plant sciences?

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How does the washing of graphene oxide effect its morphology and properties?

is it important to wash graphene oxide with HCl or we can simple wash it with deionized and ultra-pure water?

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Is the term invasive synonym to pervasive in plant biology, if not what's the difference?

Invasive vs pervasive?

16 November 2016 8,392 6 View

KNN Classification problem. Why the test result is always the first label of training sample?

Hello everyone I've a training set of 17 observations. The dimensions of training and testing data are X= 17x7660 (features, each row is feats from each obs) Y= 17 x 1 (label for each row)...

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How to find difference of entropy at different scales of an image?

Hello, Finding the entropy of an image at each pixel can be done using moving window. If an image is downsampled, how to find the difference of entropy among original and downsampled version of...

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How to determine concentration of 2nm Silver Nanoclusters using UV-Visible spectroscopy?

They are in solution form in water.

08 February 2016 1,850 2 View

What shall I do if double band appears in a gel of a pcr product during optimization?

I am doing PCR optimization for VKOR exons. When I checked on agarose gel there appears double band every time. I used on so many different DNA samples but getting the same double bands instead of...

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Why do we extract dried, ground plant material instead of fresh one?

Botanists usually collect different plant parts, dry it and convert that into powder form for the extraction in different solvents. Why is intact fresh material not used for extractions?

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MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

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flexibility of polymers chain

effect of double bond on the flexibility of polymers

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Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

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Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

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Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View