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Quantum dot-based affinity biosensors in microfluidic systems offer an alternative SARS-CoV-2 diagnostics platform

Quantum dot-based affinity biosensors in microfluidic systems offer an alternative SARS-CoV-2 diagnostics platform
In a new study published in
Emergent Materials, researchers show how microfluidic systems integrated with quantum dot-based affinity biosensors can serve as a valuable platform to rapidly and accurately diagnose severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection.
What are quantum dots?
Quantum dots (QD) are nanoscale semiconductor crystals (size: 2-10 nm) with unique optical and electronic characteristics. Such nanomaterials are widely used in biosensing applications for biomedical and bioanalytical purposes. Unlike organic dyes and protein-based fluorophores, QDs have a wide absorption spectrum and narrow emission bands, which make them very suitable for cell imaging and biosensor applications. Specifically, QDs can be used to trace multiple biological targets simultaneously with simple instrumentations. Other properties of QDs th ....

Sanchari Sinha Dutta , Emergent Materials , Coronavirus Disease Covid 19 , Sars Cov 2 , Cell Imaging , Corona Virus , Quantum Dots , Severe Acute Respiratory , Severe Acute Respiratory Syndrome , சஞ்சரி சீன்ஹா தத்தா , வெளிப்படுகிறது பொருட்கள் , செல் இமேஜிங் , கொரோனா வைரஸ் , குவாண்டம் புள்ளிகள் , கடுமையானது எடுப்போசை சுவாச , கடுமையானது எடுப்போசை சுவாச நோய்க்குறி ,

New biosensor measures extracellular hydrogen peroxide levels with nanometer-resolution

New biosensor measures extracellular hydrogen peroxide levels with nanometer-resolution
Several processes in the human body are regulated by biochemical reactions involving hydrogen peroxide (H
2O
2).
2O
2 is generally toxic because of its oxidant character. The latter means that it converts (oxidizes) biochemical molecules like proteins and DNA.
The oxidizing property of H
2O
2 is of potential therapeutic relevance for cancer, though: deliberately causing tumor cells to increase their H
2O
2 concentration would be a way to destroy them. In light of this, but also for monitoring pathologies associated with H
2O
2 overproduction, it is crucial to have a means to reliably quantify hydrogen peroxide concentrations in the extracellular environment. ....

Leonardo Puppulin , Emily Henderson , Nano Life Science Institute , Kanazawa University , Hydrogen Peroxide , Gold Nanoparticles , Raman Spectroscopy , எமிலி ஹென்டர்சன் , நானோ வாழ்க்கை அறிவியல் நிறுவனம் , கனசாவா பல்கலைக்கழகம் , ராமன் ஸ்பெக்ட்ரோஸ்கோபி ,

New diagnostic platform can rapidly measure COVID-19-related biomarkers

New diagnostic platform can rapidly measure COVID-19-related biomarkers
The Wyss Institute for Biologically Inspired Engineering at Harvard University and GBS Inc., a subsidiary of The iQ Group Global, announce that they will collaborate to validate and de-risk a specific and sensitive COVID-19 diagnostic that would integrate the Institute s eRapid technology with the company s proprietary transistor sensor technology to enable simultaneous electrochemical sensing of multiple biomarkers related to SARS-CoV-2 infection in point-of-care COVID-19 diagnostic applications.
The research collaboration further cements both parties commitment to bringing the Wyss multiplexed electrochemical detection system forward as a diagnostic tool during the pandemic and follows a licensing agreement coordinated by Harvard s Office of Technology Development (OTD) in November 2020 that granted The iQ Group Global non-exclusive, term-limited access to the eRapid technology in accordance with t ....

United States , George Syrmalis , Pawan Jolly , Paul Dastoor , Donald Ingber , Emily Henderson , School Of Mathematical , Technology Access Framework , Wyss Institute , Wyss Institute Bioinspired Therapeutics , Harvard Office Of Technology Development , Harvard Johna Paulson School Of Engineering , University Of Newcastle , Iq Group Global , Biologically Inspired Engineering , Harvard University , Technology Development , Wyss Founding Director Donald Ingber , Bioinspired Therapeutics , Judah Folkman Professor , Vascular Biology , Harvard Medical School , Boston Children , Harvard John , Wyss Senior Staff Scientist Pawan Jolly , Organic Thin Film Transistor ,

The Future of Environmental and Food Monitoring

The Future of Environmental and Food Monitoring
Sponsored Content by PittconFeb 12 2021
In this interview, News-Medical Life Sciences talks to Professor Antje Baeumner about the future of food and environmental monitoring, the subject of her Pittcon presentation.
Thought LeadersProfessor Antje BaeumnerInstitute of Analytical Chemistry and BiosensorsUniversity of Regensburg
What are some techniques used to monitor the environment and food?
A broad range of analytical chemical methods is used for environmental monitoring and food safety. Some of these are lab-based techniques, such as mass spectrometry, GC, HPLC and chromatography, while some are technologies that can also be used on-site.
These on-site technologies are typically dominated by portable, self-sustained sensors, either biosensors or chemosensors. ....

Lightspring Shutterstock , David Pereiras Shutterstock , Antje Baeumner , Antje Bauemner , Arturs Budkevics Shutterstock , Antjej Baeumner , Leadersprofessor Antje Baeumnerinstitute , University Of Regensburg , Life Sciences , International Association Of Environmental Analytical Chemistry , Cornell University , Institute Of Analytical Chemistry , Sponsored Content , News Medical Life Sciences , Professor Antje Baeumner , Thought Leadersprofessor Antje Baeumnerinstitute , Analytical Chemistry , Image Credit , Baeumner Interview , Arturs Budkevics , David Pereiras , Professor Antje , Biological Engineering , Food Science , International Association , Environmental Analytical Chemistry ,

Researchers develop systems to detect an atypical fungus responsible for severe pneumonia

Researchers develop systems to detect an atypical fungus responsible for severe pneumonia
The group led by Dr. Enrique J. Calderón - Clinical Epidemiology and Vascular Risk at the Institute of Biomedicine of Seville - IBiS/University Hospitals Virgen del Rocío and Macarena/CSIC/University of Seville, also a member of CIBERESP, participated in a project with researchers from CIBER-BBN, in which they developed systems to detect Pneumocystis jirovecii, an atypical fungus responsible for very severe pneumonia in immunosuppressed patients.
The results have been published in the journals Nanomaterials and Journal of Fungi, and are the fruit of collaboration with the CIBER-BBN groups led by Dr. Laura Lechuga, Dr. Ramon Eritja and Dr. Ramón Martínez Máñez. ....

Ramon Eritja , Enriquej Calder , Laura Lechuga , Emily Henderson , University Of Seville , Ibis University Hospitals Virgen Del Roc , Institute Of Biomedicine Seville , Department Of Medicine , University Hospital In Seville , University Hospitals Virgen Del Roc , Universitat Polit , Virgen Del Roc , University Hospital , Senior Lecturer , Infectious Diseases , எமிலி ஹென்டர்சன் , பல்கலைக்கழகம் ஆஃப் செவில்லே , ஐபிஸ் பல்கலைக்கழகம் மருத்துவமனைகள் கன்னி டெல் ராக் , துறை ஆஃப் மருந்து , பல்கலைக்கழகம் மருத்துவமனை இல் செவில்லே , பல்கலைக்கழகம் மருத்துவமனைகள் கன்னி டெல் ராக் , கன்னி டெல் ராக் , பல்கலைக்கழகம் மருத்துவமனை , மூத்தவர் விரிவுரையாளர் , தொற்று நோய்கள் ,