A novel method for the presumptive identification of heterocyclic amines of forensic interest using photoluminescent copper(I) iodide cluster compounds

10.1039/C8AY00227D

2018-04-10

The use of color tests for the presumptive identification of illicit substances has been an important tool used by law enforcement to establish probable cause for decades. However, recently color tests have received negative media attention due to their incon...

Simple “turn-on” fluorescent biosensor for sensitive detection of exonuclease III activity through photoinduced electron transfer and self-hybridization of one DNA probe

10.1039/C8AY00631H

2018-04-10

Exonuclease III (Exo III) plays crucial roles in maintaining the genome stability. Herein, a turn-on fluorescent strategy for detection of Exo III activity is developed. In this strategy, one poly(CG) single-stranded DNA (ssDNA) probe is labeled with fluoresc...

Exploring MBTH as spectrophotometric probe for total phenolic compounds determination in beverage samples

10.1039/C8AY00464A

2018-04-10

In this work, we propose an alternative method using MBTH (3-methyl-2-benzothiazolinone hydrazine) as spectrophotometric probe for the determination of total phenolic compounds. The method is based on oxidative coupling reaction of MBTH with phenolic compound...

Using a PC camera to determine the concentration of Nitrite, Ammonia Nitrogen, Sulfide, Phosphate, and Copper in Water

10.1039/C8AY00312B

2018-04-10

To quickly and simply determine the concentration of compounds in water, a simple method based on an ordinary computer camera was proposed and a device was designed. The measuring device used an LED board as the light source, and the solution image was collec...

One-step detection of hexokinase activity using personal glucose meter

10.1039/C8AY00498F

2018-04-10

Hexokinase (HK) is the first key enzyme in metabolic and glycolytic pathways. Aberrations in HK activity may result in various human diseases. In this study, we present a novel, one-step, simple, and rapid method for monitoring HK activity using a commercial ...

Simple multimodal detection of selenium in water and vegetable samples by catalytic chromogenic method

10.1039/C8AY00265G

2018-04-10

The determination of selenium (Se) has garnered increasing interest because of its importance for life as a nutrient element as well as its toxicology. Herein, a simple multimodal colorimetric method was developed for the detection of selenium. Firstly, thiol...

Identification and quantification of microplastics in table sea salts using micro-NIR imaging methods

10.1039/C8AY00125A

2018-04-09

Microplastics have been one of the most serious environmental concerned pollutants over recent decades. While these pollutants have detected not only in the marine biota, but also in abiotic sea products such as sea salts, which might pose a threat to food sa...

A fluorescent colorimetric azo dye based chemosensor for detection of S2- in perfect aqueous solution and its applications in real sample analysis and molecular logic gate

10.1039/C8AY00470F

2018-04-09

A simple azo-dye based bis-Schiff base chemosensor L has been designed, synthesized and characterized by NMR, IR spectroscopy, ESI-MS and elemental analyses. The chemosensor L can successfully detect sulfide ion both visually and spectro-photometrically in pe...

Tea quality testing using 6B pencil lead as an electrochemical sensor

10.1039/C8AY00557E

2018-04-09

Isomers of dihydroxy benzene (DHB) like 1,2-DHB, 1,3-DHB and 1,2,3-trihydroxy benzene (1,2,3-THB) are the functional constituent of tea polyphenols. Herein, we report an elegant 6B pencil lead for the real-time tea quality assessment via a simple and quick pr...

Supercritical CO2 Extraction for the Determination of Tetrachloroethylene Residues in Dry-Cleaned Apparels

10.1039/C8AY00474A

2018-04-09

Tetrachloroethylene (PERC) is still one of the most widely used dry cleaning agents in the world. It is, however, a toxic substance to the human body which could damage the central nervous system and increase the risk of cancer. Thus, it is necessary to monit...