Results 1 to 10 of about 207,327 (249)

Exploring Tetrazolium Salt Reduction by Mono- and Bimetallic Nanoparticles as an Alternative Signal-Generation Strategy for Point-of-Care Diagnostics [PDF]

open access: yesBiosensors
Nanozymes, nanomaterials that mimic enzymatic activity, offer superior stability, tunability, and lower production costs compared to natural enzymes. To date, most nanozyme-based point-of-care (PoC) diagnostic systems have relied on oxidation reactions ...
Paweł Stańczak   +2 more
doaj   +2 more sources

Mesoionic tetrazolium-5-aminides: Synthesis, molecular and crystal structures, UV–vis spectra, and DFT calculations

open access: yesBeilstein Journal of Organic Chemistry, 2021
Tetrazolium-5-aminides have been prepared by the tert-butylation of 5-aminotetrazole and its N-methyl derivatives by the t-BuOH/HClO4 system followed by the treatment of the tetrazolium salts by alkali.
Vladislav A. Budevich   +7 more
doaj   +2 more sources

Real-time cell analysis system in cytotoxicity applications: Usefulness and comparison with tetrazolium salt assays

open access: yesToxicology Reports, 2020
Real-time cell analysis (RTCA) is a technique based on impedance and microsensor electrodes. RTCA system allows label-free, real-time, and continuous monitoring of cell adhesion, morphology, and rate of cell proliferation.
Justyna Stefanowicz-Hajduk   +1 more
exaly   +3 more sources

A Universal Resazurin-Based Viability Assay for Prokaryotic and Eukaryotic Cells in 2D and 3D Cultures [PDF]

open access: yesBio-Protocol
In vitro cytotoxicity assessments frequently rely on staining-based methods that indirectly estimate viable cell numbers. A major limitation of many such techniques is their endpoint nature, requiring cell lysis or irreversible processing that precludes ...
Ramón Cervantes-Rivera   +5 more
doaj   +2 more sources

Machine learning-based fabrication of phytogenic NiO nanoparticles for anticancer activity in HepG2 Cell Culture [PDF]

open access: yesJournal of Materials Science: Materials in Medicine
Metal oxide nanomaterials play a central role in biomedical applications due to their unique physicochemical properties. In particular, various treatment methods such as drug delivery, hyperthermia therapy, radiation, and chemotherapy are used for the ...
Amina Bibi   +6 more
doaj   +2 more sources

Effect of preheating on the cytotoxicity of bulk-fill composite resins [PDF]

open access: yesJournal of Dental Research, Dental Clinics, Dental Prospects, 2020
Background. Due to the effect of pre-heating on the degree of conversion of composite resins and the possible effect on cytotoxicity, the effect of pre-heating of bulk-fill composite resins was investigated on cytotoxicity in this study. Methods. In this
Mohammad Esmaeel Ebrahimi Chaharom   +8 more
doaj   +1 more source

Cytotoxicity of amorphous calcium phosphate multifunctional composite coatings on titanium obtained by in situ anodization/anaphoretic deposition [PDF]

open access: yesJournal of the Serbian Chemical Society, 2021
The cytotoxicity of amorphous calcium phosphate (ACP) and chitosan lactate (ChOL) multifunctional and hybrid composite coatings on MRC-5 human lung fibroblast cell line was elucidated.
Pantović-Pavlović Marijana R.   +6 more
doaj   +1 more source

The In-Vitro Effects of Sea Cucumber (Stichopus sp1) Extract on Human Osteoblast Cell Line [PDF]

open access: yesMalaysian Orthopaedic Journal, 2013
Despite its claimed therapeutic effects, the action of sea cucumber (known as gamat in the Malay language) on human osteoblast cells is still unknown. We performed in vitro studies utilising extract of Stichopus sp1 (gamat) to elucidate its effects on ...
A Shahrulazua   +3 more
doaj   +1 more source

Critical Appraisal of the MTT Assay in the Presence of Rottlerin and Uncouplers

open access: yesBiological Procedures Online, 2009
Rottlerin is a natural product isolated from Mallotus philippinensis. This polyphenolic compound, originally described as a selective inhibitor of PKCδ, can inhibit many other PKC-unrelated kinases and has a number of biological actions, including ...
Maioli Emanuela   +5 more
doaj   +3 more sources

Dithiophosphate-Induced Redox Conversions of Reduced and Oxidized Glutathione

open access: yesMolecules, 2021
Phosphorus species are potent modulators of physicochemical and bioactive properties of peptide compounds. O,O-diorganyl dithiophoshoric acids (DTP) form bioactive salts with nitrogen-containing biomolecules; however, their potential as a peptide ...
Rezeda A. Ishkaeva   +8 more
doaj   +1 more source

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