Literatura científica selecionada sobre o tema "Redox labels"
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Artigos de revistas sobre o assunto "Redox labels"
Koyappayil, Aneesh, e Min-Ho Lee. "Ultrasensitive Materials for Electrochemical Biosensor Labels". Sensors 21, n.º 1 (25 de dezembro de 2020): 89. http://dx.doi.org/10.3390/s21010089.
Texto completo da fonteLe Gal La Salle, A., B. Limoges, S. Rapicault, C. Degrand e P. Brossier. "New immunoassay techniques using Nafion-modified electrodes and cationic redox labels or enzyme labels". Analytica Chimica Acta 311, n.º 3 (agosto de 1995): 301–8. http://dx.doi.org/10.1016/0003-2670(95)00064-7.
Texto completo da fonteEvtugyn, Gennady A., Anna V. Porfireva e Ivan I. Stoikov. "Electrochemical DNA sensors based on spatially distributed redox mediators: challenges and promises". Pure and Applied Chemistry 89, n.º 10 (26 de setembro de 2017): 1471–90. http://dx.doi.org/10.1515/pac-2016-1124.
Texto completo da fonteIglesias-Mayor, Alba, Olaya Amor-Gutiérrez, Agustín Costa-García e Alfredo de la Escosura-Muñiz. "Nanoparticles as Emerging Labels in Electrochemical Immunosensors". Sensors 19, n.º 23 (23 de novembro de 2019): 5137. http://dx.doi.org/10.3390/s19235137.
Texto completo da fonteBen Jrad, Amani, Hussein Kanso, Delphine Raviglione, Thierry Noguer, Nicolas Inguimbert e Carole Calas-Blanchard. "Salen/salan metallic complexes as redox labels for electrochemical aptasensors". Chemical Communications 55, n.º 85 (2019): 12821–24. http://dx.doi.org/10.1039/c9cc07575e.
Texto completo da fonteSmiljanic, Milutin, Pierre Bleteau, Alexia Papageorgiou, Nathan Goffart, Catherine Adam e Thomas Doneux. "Introducing common oxazine fluorophores as new redox labels for electrochemical DNA sensors". Bioelectrochemistry 155 (fevereiro de 2024): 108582. http://dx.doi.org/10.1016/j.bioelechem.2023.108582.
Texto completo da fonteMa, Xiaohua, Dehua Deng, Ning Xia, Yuanqiang Hao e Lin Liu. "Electrochemical Immunosensors with PQQ-Decorated Carbon Nanotubes as Signal Labels for Electrocatalytic Oxidation of Tris(2-carboxyethyl)phosphine". Nanomaterials 11, n.º 7 (5 de julho de 2021): 1757. http://dx.doi.org/10.3390/nano11071757.
Texto completo da fonteGrabowska, Iwona, Maria Hepel e Katarzyna Kurzątkowska-Adaszyńska. "Advances in Design Strategies of Multiplex Electrochemical Aptasensors". Sensors 22, n.º 1 (27 de dezembro de 2021): 161. http://dx.doi.org/10.3390/s22010161.
Texto completo da fonteChunglok, Wilanee, Porntip Khownarumit, Patsamon Rijiravanich, Mithran Somasundrum e Werasak Surareungchai. "Electrochemical immunoassay platform for high sensitivity protein detection based on redox-modified carbon nanotube labels". Analyst 136, n.º 14 (2011): 2969. http://dx.doi.org/10.1039/c1an15079k.
Texto completo da fonteDegrand, Chantal, Benoit Limoges, Arnaud Gautier e Ronald L. Blankespoor. "Synthesis of cobaltocenium salts for use as redox labels and their incorporation into Nafion films". Applied Organometallic Chemistry 7, n.º 4 (julho de 1993): 233–41. http://dx.doi.org/10.1002/aoc.590070403.
Texto completo da fonteTeses / dissertações sobre o assunto "Redox labels"
Gaillard, Michel. "Nouveaux marqueurs électroactifs pour le développement de biocapteurs environnementaux". Electronic Thesis or Diss., Perpignan, 2023. https://theses-public.univ-perp.fr/2023PERP0054.pdf.
Texto completo da fonteNowadays, climate change, anthropogenic releases and the increase in the world's population are contributing to an increase in the number of bacteria of concern, drug releases and toxins into the environment. Ochratoxin A, estradiol, and some bacteria are among the contaminants polluting nature and threatening the health of living beings. In order to detect these potentially harmful elements, we worked on the development of an original oligonucleotide labeling. This marking is based on the use of electroactive metal complexes such as redox probes.These complexes are based on the macrocycle ligands DOTA and NOTA, usually mainly used in medical imaging, functionalized with iron (III). The study of their electrochemical properties, carried out by cyclic voltammetry, has shown that they have many advantages competing with the most common redox compounds. In particular, we sought to apply this oligonucleotide labeling to the construction of biosensors, with the first test of a genosensor for the detection of DNA from Vibrio bacteria. Sensor design and target detection were followed by impedance spectroscopy. However, impedance analysis did not achieve the expected results, and in order to extend the scope of our study, another method was tested. Therefore, we sought to couple metal complexes directly to aptamers via a reaction between a thiol function and a maleimide. In the next step, the biosensors were built by immobilizing the modified aptamers on electrodes. In parallel, aptamer-target interactions were quantified by thermophoresis or MST analyses to confirm certain results and validate the binding characteristics of aptamers
Ho, M. Y. "An investigation of redox self-assembled monolayer in label-free biosensor application". Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.604101.
Texto completo da fonteChandra, Sudeshna, Christian Gäbler, Christian Schliebe, Heinrich Lang e Dhirendra Bahadur. "Fabrication of a label-free electrochemical immunosensor using a redox active ferrocenyl dendrimer". Universitätsbibliothek Chemnitz, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-220086.
Texto completo da fonteDieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich
Zaccarin, Mattia. "Setting up of an innovative procedure for redox proteomics: and its application for definition of the redox status of cells with high metastatic potential". Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3423382.
Texto completo da fonteSTATO DELL’ARTE: Il proteoma include 214.000 cisteine in forma di gruppi tiolici liberi od altra forma. Di queste, solamente un insieme relativamente ristretto ha un ruolo nella mediazione di segnali cellulari. Tali cisteine, attive dal punto di vista dell’ossido-riduzione, sono più sensibili all’ossidazione e la loro forma ossidata è più facilmente riducibile. Sono dunque necessarie specifiche tecniche di proteomica, globalmente indicate con il termine proteomica delle ossido-riduzioni, per identificare tali modifiche e studiarne la regolazione in diversi processi cellulari. Risulta quindi determinante la capacità di identificare sia le proteine che i residui coinvolti e di quantificarne il grado di modificazione. E proprio la quantificazione delle differenze tra due o più stati di un sistema biologico, si colloca tra gli obiettivi tecnicamente più sfidanti della proteomica: nel corso degli ultimi cinque anni, tecniche basate sulla spettrometria di massa associata a cromatografia in fase liquida hanno progressivamente guadagnato affidabilità e robustezza. Molti autori condividono tuttora una visione delle ossido-riduzioni nella mediazione del segnale in cui il destino cellulare dipende principalmente dall’intensità e dalla durata degli stimoli ossidanti: nel presente lavoro si vuole invece sostenere il coinvolgimento di un equilibrio che includa l’azione concomitante sia di specie nucleofile sia di specie elettrofile. OBIETTIVO: Il duplice obiettivo del mio lavoro di Dottorato è stato sia lo sviluppo di una metodologia idonea all’identificazione e quantificazione di proteine, attive dal punto di vista delle ossido-riduzioni, in campioni complessi, sia l’applicazione di tale metodologia allo studio di un sistema cellulare ingegnerizzato di carcinoma mammario (MCF10A) caratterizzato da diversi gradi di malignità. METODI: Al fine di perseguire tale obiettivo ho tratto vantaggio da un approccio che integra la marcatura chimica differenziale (non-isotopica) per mezzo di sonde reattive con i residui di cisteina (NEM, IAM, HPDP) e la purificazione cromatografica delle proteine attive dal punto di vista ossido-riduttivo, alla successiva analisi LC-MS/MS ed elaborazione informatizzata dei dati mediante OpenMS per una quantificazione label-free. Tutti i passaggi di tale metodologia sono quindi stati messi a punto e validati in stretta collaborazione con esperti biochimici e bioinformatici. RISULTATI: E’ stato sviluppato un metodo efficiente ed economico, non basato sull’utilizzo di marcatori isotopici, per la caratterizzazione delle proteine attive dal punto di vista ossido-riduttivo in campioni proteici complessi. L’applicazione del protocollo di quantificazione ad un campione test ha dato il 100% di stime corrette di sovra/sotto-espressione della miscela proteica. L’applicazione del metodo allo studio del modello cellulare di carcinoma mammario ha portato all’identificazione di più di 300 proteine ed ha permesso il raggruppamento di quelle sensibili dal punto di vista ossido-riduttivo in gruppi non differenziali e sovra- o sotto-ossidate nelle cellule più maligne rispetto alla loro controparte meno aggressiva. CONCLUSIONI: Nonostante sia comunemente riconosciuta l’associazione tra fenomeni neoplastici ed uno stress ossidativo, questo studio collega la maggiore malignità di un modello cellulare di carcinoma mammario ad un complesso equilibrio ossido-riduttivo. In questo contesto, specifici bersagli proteici sono ossidati mentre viene mantenuto un ambiente cellulare complessivamente ridotto. Risultati preliminari evidenziano poi l’enzima G6PDH come possibile elemento chiave nella regolazione di tale equilibrio.
Kim, Sangkyung. "Redox cycling for an in-situ enzyme labeled immunoassay on interdigitated array electrodes". Diss., Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-08192004-105039/unrestricted/kim%5Fsangkyung%5F200412%5Fphd.pdf.
Texto completo da fonteHesketh, Peter, Committee Chair ; Edmondson, Dale, Committee Member ; Frazier, Albert, Committee Member ; Hunt, William, Committee Member ; Janata, Jiri, Committee Member. Includes bibliographical references.
Hou, Jue. "Characterizing Breast Cancer Invasive Potential Using Combined Label-Free Multiphoton Metabolic Imaging of Cellular Lipids and Redox State". Thesis, University of California, Irvine, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10288401.
Texto completo da fonteAerobic glycolysis (Warburg effect) is accompanied by significant alterations in cellular redox state and constitutes one of the hallmarks of cancer cell metabolism. Label-free multi-photon microscopy (MPM) methods based on two-photon excited fluorescence (TPEF) have been used extensively to form high-resolution images of redox state in cells and tissues based on intrinsic NADH and FAD+ fluorescence. However, changes in cellular redox alone are insufficient to fully characterize cancer metabolism and predict invasive potential. We demonstrate that label-free MPM measurements of TPEF-derived redox state (optical redox ratio, ORR = FAD+/(FAD + NADH)) combined with coherent Raman imaging of lipid formation can be used to quantitatively characterize cancer cells and their relative invasive potential. In addition, we confirm, using coherent Raman and deuterium labeling methods, that glucose is a significant source for the cellular synthesis of lipid biomass in glycolytic breast cancer cells. Live cell metabolism was imaged in 3D models of primary mammary epithelial cells (PME) and 2 cancer cell lines, T47D and MDA-MB-231. While we observed overlap in the distribution of the optical redox ratio between these different cell lines, the combination of ORR and lipid volume fraction derived from coherent Raman signals provided complementary independent measures and clear separation. Furthermore, we observed an increase in both lipid synthesis and consumption rates in E2-treated T47D cancer cells cultured in deuterated glucose by tracking the formation and disappearance of deuterated lipids. These results suggest that due to the relatively wide range of ORR values that reflect the natural diversity of breast cancer cellular redox states, the addition of lipid signatures obtained from coherent Raman imaging can improve our ability to characterize and understand key metabolic features that are hallmarks of the disease.
Capítulos de livros sobre o assunto "Redox labels"
Golubev, V. A., Yu N. Kozlov, A. N. Petrov e A. P. Purmal. "Catalysis of Redox Processes by Nitroxyl Radicals". In Bioactive Spin Labels, 119–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-48724-8_4.
Texto completo da fonteLikhtenshtein, Gertz I. "Physical Label Techniques". In Chemical Physics of Redox Metalloenzyme Catalysis, 45–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73100-6_3.
Texto completo da fonteAllen, John F., Paul N. Davies, Jens Forsberg, Gunilla Håkansson e Anna Tullberg. "Acid-Labile, Histidine Phosphoproteins in Chloroplasts and Mitochondria: Possible Candidates for Redox Sensor Kinases". In Photosynthesis: from Light to Biosphere, 2639–42. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-009-0173-5_622.
Texto completo da fonteZanello, Piero. "STEREOCHEMICAL ASPECTS OF THE REDOX PROPENSITY OF HOMOMETAL CARBONYL CLUSTERS". In Chains, Clusters, Inclusion Compounds, Paramagnetic Labels, and Organic Rings, 161–408. Elsevier, 1994. http://dx.doi.org/10.1016/b978-0-444-81581-1.50006-1.
Texto completo da fonteOlejniczak, Agnieszka B., e Zbigniew J. Leśnikowski. "Boron Clusters as Redox Labels for Nucleosides and Nucleic Acids". In Handbook of Boron Science, 1–13. WORLD SCIENTIFIC (EUROPE), 2018. http://dx.doi.org/10.1142/9781786344670_0001.
Texto completo da fonteRobertson, Jeremy. "Redox deprotection". In Protecting Group Chemistry. Oxford University Press, 2000. http://dx.doi.org/10.1093/hesc/9780198502753.003.0005.
Texto completo da fonteJunkefer, Clifford, David Rhouck, B. Mark Britt, Tobin R. Sosnick e John L. Hanners. "[17] Biogenesis of pyrroloquinoline quinone from 3C-labeled tyrosine". In Redox-active amino acids in biology, 227–35. Elsevier, 1995. http://dx.doi.org/10.1016/0076-6879(95)58049-2.
Texto completo da fonteDuca, Gheorghe, e Mikhail Yu Gorbachev. "Theories of electron and proton transfer and the need for their development". In Redox Processes with Electron and Proton Transfer, 30–60. Moldova State University, 2023. http://dx.doi.org/10.59295/prtep2023_03.
Texto completo da fonteBianchi, Thomas S., e Elizabeth A. Canuel. "Chemical Biomarker Applications to Ecology and Paleoecology". In Chemical Biomarkers in Aquatic Ecosystems. Princeton University Press, 2011. http://dx.doi.org/10.23943/princeton/9780691134147.003.0002.
Texto completo da fonteMurali Manoj, Kelath, Nikolai Bazhin, Abhinav Parashar, Afsal Manekkathodi e Yanyou Wu. "Comprehensive Analyses of the Enhancement of Oxygenesis in Photosynthesis by Bicarbonate and Effects of Diverse Additives: Z-scheme Explanation Versus Murburn Model". In Physiology. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.106996.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Redox labels"
Rodriguez, Marcos R., Malavika Nidhi, Divya M. Gollapalli e Kyle P. Quinn. "Quantifying the Interaction between Age and Diabetes on Skin Wound Metabolism Using In Vivo Multiphoton Microscopy". In Clinical and Translational Biophotonics. Washington, D.C.: Optica Publishing Group, 2024. http://dx.doi.org/10.1364/translational.2024.ts3b.4.
Texto completo da fonteGillette, Amani, Shirsa Udgata, Lexie Schmitz, Dustin Deming e Melissa C. Skala. "Wide-field optical redox imaging with leading-edge detection for assessment of patient-derived cancer organoids (Conference Presentation)". In Label-free Biomedical Imaging and Sensing (LBIS) 2023, editado por Natan T. Shaked e Oliver Hayden. SPIE, 2023. http://dx.doi.org/10.1117/12.2650100.
Texto completo da fonteChen, Cheng-Chuan, Wan-Shao Tsai e Pei-Kuen Wei. "Aqueous mercuric ions detection using electrochemical surface plasmon resonance in capped gold nanowire arrays". In JSAP-OSA Joint Symposia. Washington, D.C.: Optica Publishing Group, 2017. http://dx.doi.org/10.1364/jsap.2017.5p_a410_10.
Texto completo da fonteHalid, Nurul Izni Abdullah, Siti Aishah Hasbullah, Haslina Ahmad, Lee Yook Heng, Nurul Huda Abd Karim e Siti Norain Harun. "Electrochemical DNA biosensor for detection of porcine oligonucleotides using ruthenium(II) complex as intercalator label redox". In THE 2014 UKM FST POSTGRADUATE COLLOQUIUM: Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2014 Postgraduate Colloquium. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4895214.
Texto completo da fonteDoi, Hideo, Tomoko Horio, Young-Joon Choi, Kazuhiro Takahashi, Toshihiko Noda e Kazuaki Sawada. "Redox-Type Label-Free ATP Image Sensor for Highly Sensitive in Vitro Imaging of Extracellular ATP". In 2021 21st International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers). IEEE, 2021. http://dx.doi.org/10.1109/transducers50396.2021.9495500.
Texto completo da fonteCheng, Chi Qin, Kok Sheik Wong e Lay Ki Soon. "l2Match: Optimization Techniques on Subgraph Matching Algorithm Using Label Pair, Neighboring Label Index, and Jump-Redo Method". In 2024 International Conference on Electronics, Information, and Communication (ICEIC). IEEE, 2024. http://dx.doi.org/10.1109/iceic61013.2024.10457108.
Texto completo da fonteBacciu, Davide, e Marco Podda. "Graphgen-redux: a Fast and Lightweight Recurrent Model for labeled Graph Generation". In 2021 International Joint Conference on Neural Networks (IJCNN). IEEE, 2021. http://dx.doi.org/10.1109/ijcnn52387.2021.9533743.
Texto completo da fonteDoi, Hideo, Tomoko Horio, Eiji Shigetomi, Youichi Shinozaki, You-Na Lee, Tatsuya Yoshimi, Tatsuya Iwata et al. "Label-Free Real-Time Imaging of Extracellular Lactate From a Hippocampal Slice Based on Charge-Transfer-Type Potentiometric Redox Sensor Arrays". In 2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII). IEEE, 2019. http://dx.doi.org/10.1109/transducers.2019.8808447.
Texto completo da fonte