Folin Colorimetric Procedure for Amino Acids

Furman, N. H.; Morrison, G.H.

doi:10.1021/ac60048a026

Cited by 26 publications

(5 citation statements)

References 12 publications

(5 reference statements)

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“…Naphthoquinones are a class of compounds that are well known for their bioactivity [116,117] and their ability to react with amino groups have been extensively reported [115,[118][119][120][121][122][123][124][125][126][127][128][129]. 1,2-naphthoquinone-4-sulfonate has been employed for the determination of amino acids through the formation of highly coloured compounds [130][131][132][133][134]. Rees and colleagues specifically studied the use of 1,2-naphthoquinone to form a purple/brown compound on reaction with cysteine, and also noted that the reaction was believed to target the amino group of the amino acid [135].…”

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confidence: 99%

The detection of latent fingermarks on porous surfaces using amino acid sensitive reagents: A review

Jelly

Patton

Lennard

et al. 2009

Analytica Chimica Acta

107

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The introduction of ninhydrin treatment as a chemical technique for the visualisation of latent fingermarks on porous surfaces revolutionised approaches to forensic fingermark examination. Since then, a range of amino acid sensitive reagents has been developed and such compounds are in widespread use by law enforcement agencies worldwide. This paper reviews the development and use of these reagents for the detection of latent fingermarks on porous surfaces. A brief overview is provided, including an historical background, forensic significance, and a general approach to the development of latent fingermarks on porous surfaces. This is followed by a discussion of specific amino acid sensitive treatments.

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Section: (Insert Scheme 4)mentioning

confidence: 99%

The detection of latent fingermarks on porous surfaces using amino acid sensitive reagents: A review

Jelly

Patton

Lennard

et al. 2009

Analytica Chimica Acta

107

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“…1,2-Naphthoquinone-4-sulfonate has been used to determine amino acids through the formation of highly colored compounds [102][103][104][105][106]. 1,2-Naphthoquinone gives brown/purple pigments on reaction with cysteine and proteins.…”

Section: Amino Acid-sensitive Reagentsmentioning

confidence: 99%

Chemical Sensing and Detection in Forensic Science

Lewis

2011

Chemosensors

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“…part 5). Confirmatory experiments have nevertheless been made with other solvents, and results due to Furman, Mundy and Morrison (using diethyl ether) 3 and Evers and Kraus (using several solvents) 4 have also been drawn on. Katzin and Hellman's work5 with diethyl ether may also be noted, though it is unsuitable for our purposes owing to the presence of nitric acid, which also goes into the organic phase.…”

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confidence: 89%

The partition of uranyl nitrate between water and organic solvents. Part 6. Salting-out by a second nitrate

Jenkins¹,

McKay²

1954

Trans. Faraday Soc.

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The partition laws developed in earlier papers can be extended to cover systems containing a second nitrate insoluble in the organic phase. This leads to measurements of the activity coefficient of uranyI nitrate in the mixed solutions. Supplementary information is available from solubilities and ion exchange. It is found that the activity coefficients obey the Harned rule, despite extensive association between the uranyl and nitrate ions. This enables us to apply the cross-differentiation relations to calculate the activity coefficient of the second nitrate.The results at ionic strengths up to 5 m show that the larger the activity coefficient of the second nitrate, the greater is its salting-out power. At higher ionic strengths ion association dominates the picture and enables us to give a qualitative explanation of the shapes of the various curves obtained.

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Folin Colorimetric Procedure for Amino Acids

Cited by 26 publications

References 12 publications

The detection of latent fingermarks on porous surfaces using amino acid sensitive reagents: A review

The detection of latent fingermarks on porous surfaces using amino acid sensitive reagents: A review

Chemical Sensing and Detection in Forensic Science

The partition of uranyl nitrate between water and organic solvents. Part 6. Salting-out by a second nitrate

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