Asparagus-based amperometric sensor for fluoride determination

Liawruangrath, Saisunee; Oungpipat, Winai; Watanesk, Surasak; Liawruangrath, Boonsom; Dongduen, C; Purachat, P

doi:10.1016/s0003-2670(01)01332-0

Cited by 29 publications

(12 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Flavanols were detected in beer with a banana based carbon paste electrode that showed linearity over 2×10 -5 -1×10 -6 mol/L and stability of greater than 1 month (Eggins et al 1997). Asparagus based electrode was used for determination of fluoride (Liawruangrath et al 2001) and hydrogen peroxide (Oungpipat et al 1995) in pharmaceutical products and milk having detection limit of 1.3×10 -5 mol/L and 4×10 -7 mol/L along with the stability of 24 days and 1 month respectively. Hydroquinone (Vieira and Fatibello-Filho 2000) was analyzed in cosmetic creams using sweet potato based electrode that gave detection limit and stability of 8.5×10 -6 mol/L and 7 months.…”

Section: Tissue Based Biologically Modified Carbon Paste Electrodesmentioning

confidence: 99%

Electrochemical determination of inorganic mercury and arsenic—A review

Zaib

Athar

Saeed

et al. 2015

Biosensors and Bioelectronics

122

View full text Add to dashboard Cite

Section: Tissue Based Biologically Modified Carbon Paste Electrodesmentioning

confidence: 99%

Electrochemical determination of inorganic mercury and arsenic—A review

Zaib

Athar

Saeed

et al. 2015

Biosensors and Bioelectronics

122

View full text Add to dashboard Cite

“…3 Since then, a variety of plant and animal-tissues has been incorporated into various electrochemical transducers to detect and quantify a range of biologically important analytes including drugs, hormones, toxicants, neurotransmitters and amino acids. [4][5][6][7] A detailed discussion on biosensors utilized in chemical or biological analysis is beyond the scope of this review. Based on our investigations on fast bioelectrochemical signaling events in green plants and similar examples reported in the literature by other plant scientists, here we discuss the evidence supporting the foundation for utilizing the entire green plant as a fast biosensor for monitoring the environmental perturbations in the close vicinity of a living plant.…”

Section: Introductionmentioning

confidence: 99%

Plants as Environmental Biosensors

Volkov

Ranatunga

2006

Plant Signaling & Behavior

View full text Add to dashboard Cite

Plants are continuously exposed to a wide variety of perturbations including variation of temperature and/or light, mechanical forces, gravity, air and soil pollution, drought, deficiency or surplus of nutrients, attacks by insects and pathogens, etc., and hence, it is essential for all plants to have survival sensory mechanisms against such perturbations. Consequently, plants generate various types of intracellular and intercellular electrical signals mostly in the form of action and variation potentials in response to these environmental changes. However, over a long period, only certain plants with rapid and highly noticeable responses for environmental stresses have received much attention from plant scientists. Of particular interest to our recent studies on ultra fast action potential measurements in green plants, we discuss in this review the evidence supporting the foundation for utilizing green plants as fast biosensors for molecular recognition of the direction of light, monitoring the environment, and detecting the insect attacks as well as the effects of pesticides, defoliants, uncouplers, and heavy metal pollutants.

show abstract

“…Tissues of several plants such as asparagus, 38,39 grape, 40 pineapple, 41 kohlrabi, 42 tobacco callus, 43 horseradish roots, 44,45 turnip 46 and sweet potato 47 have been used as POx sources. Vieira and Fatibello-Filho 48 have chosen the crude extract of zucchini as a POx source of very high specific activity and have used it for the spectrophotometric determination of H2O2.…”

mentioning

confidence: 99%

Application of Crude Extract of Kohlrabi (Brassica oleracea gongylodes) as a Rich Source of Peroxidase in the Spectrofluorometric Determination of Hydrogen Peroxide in Honey Samples

2006

View full text Add to dashboard Cite

Crude extract of kohlrabi (Brassica oleracea gongylodes) was prepared by a simple procedure and its enzymatic activity and total protein concentration were determined. It was found that this crude extract is a rich source of peroxidase (POx) and has high specific activity. Cross-linked polyvinylpyrrolidone was used as a stabilizer in the preparation of the crude extract. The POx activity of kohlrabi crude extract did not vary for at least 2 months when deoxygenated and stored at 4˚C. This extract was applied for the spectrofluorometric determination of hydrogen peroxide using homovanillic acid as a fluorogenic substrate. POx catalyzes the hydrogen peroxide oxidation of homovanillic acid to produce a dimer which shows strong fluorescence at 420 nm with excitation at 312 nm. In the optimum conditions, the calibration graph for hydrogen peroxide was linear up to 190 ng mL -1 , with a detection limit of 4.4 ng mL -1 . The relative standard deviation (RSD) was 1.48% for 50 ng mL -1 hydrogen peroxide. The proposed method was successfully applied to the determination of hydrogen peroxide in honey. The concentration-time profile of H2O2 produced upon dilution of honey was studied and H2O2 contents of some different honeys from various areas of Iran were determined.

show abstract

Asparagus-based amperometric sensor for fluoride determination

Cited by 29 publications

References 31 publications

Electrochemical determination of inorganic mercury and arsenic—A review

Electrochemical determination of inorganic mercury and arsenic—A review

Plants as Environmental Biosensors

Application of Crude Extract of Kohlrabi (Brassica oleracea gongylodes) as a Rich Source of Peroxidase in the Spectrofluorometric Determination of Hydrogen Peroxide in Honey Samples

Contact Info

Product

Resources

About