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Hi 8014

Manufactured by Hanna Instruments
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Sourced in Romania

The HI 8014 is a portable pH/mV/temperature meter. It features a large LCD display, automatic temperature compensation, and GLP (Good Laboratory Practices) compliance. The meter can measure pH, mV, and temperature, and is designed for use in a variety of laboratory and field applications.

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Lab products found in correlation

1900i spectrophotometer, by Agilent Technologies (2 mentions) Varian cary eclipse fluorescence spectrophotometer, by Agilent Technologies (2 mentions) Thermo q exactive orbitrap device, by Thermo Fisher Scientific (2 mentions) Quantaurus qy absolute pl quantum yield spectrometer, by Hamamatsu Photonics (2 mentions)

4 protocols using hi 8014

1

In-situ pH Measurement Protocol

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The pH of samples was taken in-situ using the HANNA instrument HI 8014. The sensor was held in the sample until the pH value was stabilized within a one decimal range. Between the readings, the sensor was cleaned or rinsed in distilled water. The pH meter was calibrated before use using buffer solution of pH 4 and 9.
Okunola O.J., Oladipo M.O., Aker T, & Popoola O.B. (2020). Risk assessment of drinkable water sources using gross alpha and beta radioactivity levels and heavy metals. Heliyon, 6(8), e04668.
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2

Synthesis and Characterization of Novel Organic Compound

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All reagents were purchased from Sigma-Aldrich and used without further purification. 1H NMR and 13C NMR were measured on a VNMRJ 600 nuclear magnetic resonance spectrometer (Varian Inc., Palo Alto, CA, USA). The mass analysis was conducted with Thermo Q-Exactive Orbitrap device (Thermo Fisher Scientific Inc., Waltham, MA, USA). The melting point was determined by using the Electrothermal Melting Point Apparatus 9200. UV-vis absorption and fluorescence emission spectra were obtained using a Shimadzu 1900i spectrophotometer and Varian Cary Eclipse fluorescence spectrophotometer (Varian Inc.), respectively. Quantum yield measurements were conducted with Hamamatsu Quantaurus-QY Absolute PL quantum yield spectrometer. The pH values were adjusted by using the HI-8014 (HANNA) pH meter.
, & ÜÇÜNCÜ M. (2021). A BODIPY based probe for the reversible “turn on” detection of Au(III) ions. Turkish Journal of Chemistry, 46(2), 523-529.
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3

Synthesis and Characterization of Novel Organic Compound

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All reagents were purchased from Sigma-Aldrich and used without further purification. 1H NMR and 13C NMR were measured on a VNMRJ 600 nuclear magnetic resonance spectrometer (Varian Inc., Palo Alto, CA, USA). The mass analysis was conducted with Thermo Q-Exactive Orbitrap device (Thermo Fisher Scientific Inc., Waltham, MA, USA). The melting point was determined by using the Electrothermal Melting Point Apparatus 9200. UV-vis absorption and fluorescence emission spectra were obtained using a Shimadzu 1900i spectrophotometer and Varian Cary Eclipse fluorescence spectrophotometer (Varian Inc.), respectively. Quantum yield measurements were conducted with Hamamatsu Quantaurus-QY Absolute PL quantum yield spectrometer. The pH values were adjusted by using the HI-8014 (HANNA) pH meter.
, & ÜÇÜNCÜ M. (2021). A BODIPY based probe for the reversible “turn on” detection of Au(III) ions. Turkish Journal of Chemistry, 46(2), 523-529.
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4

Oxidative Stress Assay Protocol

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We measured the oxidative redox potential (ORP) values (HI 8014, portable pH/ORP meter, HANNA Instruments, Cluj-Napoca, Romania) and pH values (Denver Instrument UltraBasic UB-10 pH Benchtop meter, Cole-Parmer, Vernon Hills, Illinois, USA) of the samples. We determined the scavenging H2O2 and HOCl activity of the samples using a modified luminol-ultrasensitive chemiluminescence assay [21] (link).
Yang C.C., Yao C.A., Lin Y.R., Yang J.C, & Chien C.T. (2014). Deep-Sea Water Containing Selenium Provides Intestinal Protection against Duodenal Ulcers through the Upregulation of Bcl-2 and Thioredoxin Reductase 1. PLoS ONE, 9(7), e96006.
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