Results 31 to 40 of about 38,093 (237)

Highly-sensitive electrochemiluminescence biosensor for detection of inosine monophosphate in meat based on graphdiyne/AuNPs/luminol nanocomposites

open access: yesFood Science and Human Wellness, 2023
Inosine monophosphate (IMP), as a critical umami substance, is one of the most important indicators for evaluating the quality of meat products.
Jing Liu   +6 more
doaj   +1 more source

Imaging of ultra-weak photon emission in a rheumatoid arthritis mouse model. [PDF]

open access: yesPLoS ONE, 2013
Ultra-weak photon emission (UPE) of a living system received scientific attention because of its potential for monitoring increased levels of reactive oxygen species (ROS) in the pathogenesis of rheumatoid arthritis (RA).
Eduard van Wijk   +3 more
doaj   +1 more source

A comparison of enhancement techniques for footwear impressions on dark and patterned fabrics [PDF]

open access: yes, 2013
The use of chemical enhancement techniques on porous substrates, such as fabrics, poses several challenges predominantly due to the occurrence of background staining and diffusion as well as visualisation difficulties.
Bandey, Helen   +3 more
core   +3 more sources

Luminol Doped Silica-Polymer Sensor for Portable Organic Amino Nitrogen and Ammonium Determination in Water

open access: yesSeparations, 2021
We propose a portable sensor, obtained by embedding luminol into the tetraethylorthosilicate/trietoxymethylsilane (TEOS/MTEOS) composite, for the quantitative determination of organic amino nitrogen and ammonium in water with the goal of achieving low ...
Sara Bocanegra-Rodríguez   +2 more
doaj   +1 more source

An Assessment of Intra- and Interobserver Error in Luminol Chemiluminescence as a Presumptive Test for Postmortem Interval Estimation

open access: yesForensic Sciences, 2023
Postmortem interval (PMI) estimation constitutes a challenge for forensic anthropologists. The application of the luminol technique as a preliminary test for PMI estimation is considered easy to use and inexpensive.
Catarina Ermida   +3 more
doaj   +1 more source

Determination of Picogram Levels of Diacerein in a Pharmaceutical Formulation by Flow-Injection Chemiluminescence

open access: yesMATEC Web of Conferences, 2017
A simple, sensitive and inexpensive method for determination of diacerein by flow-injection chemiluminescence was proposed, based on the quenching effect of diacerein on the luminol-protein (bovine serum albumin, BSA) reaction.
Gao Suya   +5 more
doaj   +1 more source

A dual-quenched ECL immunosensor for ultrasensitive detection of retinol binding protein 4 based on luminol@AuPt/ZIF-67 and MnO2@CNTs

open access: yesJournal of Nanobiotechnology, 2021
Background Retinol binding protein 4 (RBP4) has been regarded as an important serological biomarker for type 2 diabetes mellitus (T2DM). Hence, the construction of a highly sensitive detection method for RBP4 is the key to early prevention and ...
Wei Gong   +8 more
doaj   +1 more source

Sildenafil Citrate-Restored eNOS and PDE5 Regulation in Sickle Cell Mouse Penis Prevents Priapism Via Control of Oxidative/Nitrosative Stress [PDF]

open access: yes, 2013
Sildenafil citrate revolutionized the practice of sexual medicine upon its federal regulatory agency approval approximately 15 years ago as the prototypical phosphodiesterase type 5 inhibitor indicated for the treatment of male erectile dysfunction.
Berkowitz, DE   +5 more
core   +6 more sources

Controlling the variable of pressure in the production of test footwear impressions [PDF]

open access: yes, 2012
Footwear impression lifting and enhancement techniques may be affected by several variables introduced during the production of test footwear impressions, thus limiting the usefulness of enhancement technique comparisons and the results obtained.
Bandey, Helen   +4 more
core   +3 more sources

Luminol immobilized graphite electrode as sensitive electrochemiluminescent sensor for the detection of hydrogen peroxide

open access: yesSensors International, 2020
The present work, presents the Luminol immobilized electrochemiluminescence (ECL) for the detection of hydrogen peroxide. Herein, the ECL behavior of luminol immobilized on graphite as a paste electrode has been studied in nearly neutral solution (pH = 8)
Rahat Nawaz   +6 more
doaj   +1 more source

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