Results 101 to 110 of about 430,572 (307)

Detection of leukocytes stained with acridine orange using unique spectral features acquired from an image-based spectrometer [PDF]

, 2017
A leukocyte differential count can be used to diagnosis a myriad blood disorders, such as infections, allergies, and efficacy of disease treatments. In recent years, attention has been focused on developing point-of-care (POC) systems to provide this ...
Hunter, Courtney J
core   +2 more sources

Inkjet printed LED based pH chemical sensor for gas sensing [PDF]

, 2009
Predictable behaviour is a critical factor when developing a sensor for potential deployment within a wireless sensor network (WSN). The work presented here details the fabrication and performance of an optical chemical sensor for gaseous acetic acid ...
Abe, Allain, Bae, Beirne, Bharathan, Byrne, Carter, Crowley, Crowley, Crowley, Dermot Diamond, Diamond, Diamond, Gordon G. Wallace, Grady, Hasenbank, Haverinen, Hayes, Hebner, Janata, Janzen, Kim, Lau, Leopold, Li, Mabrook, Magdassi, Martina O’Toole, Nivens, Nivens, O’Toole, O’Toole, Pacquit, Pacquit, Rakow, Rakow, Reis, Roderick Shepherd, Rogers, Shepherd, Shepherd, Shepherd, Spadavecchia, Stewart, Weigl   +44 more
core   +1 more source

Digital Microneedles for Multiplexed Transdermal Sensing via Fluorescent QR Codes

Advanced Materials, EarlyView.
Digital fluorescent microneedles encode biochemical information in skin into scannable QR codes through threshold‐activated probes that generate binary on/off signals. By transforming analog fluorescence into discrete digital patterns, this platform enables calibration‐free, multiplexed transdermal sensing of physiologically relevant biomarkers ...
Farbod Abazar, Shahrokh Vahabi, Elena Bellotti, Martina Corsi, Irene Nocera, Paola Orlandi, Guido Bocci, Giuseppe Barillaro   +7 more
wiley   +1 more source

Potential Use of Biosensors for the Rapid and Specific Isolation of Listeria monocytogenes from Ready-to-Eat (RTE) Foods

Pathogens
Listeria monocytogenes is a major foodborne pathogen associated with increasing global public health concern due to numerous outbreaks. Rapid pathogen detection is critical for reducing both the incidence and severity of foodborne illnesses.
McCoy Williams, Rawah Faraj, Rejoice Nyarku, Savannah Simon, Kingsley E. Bentum, Ahmed Ghazy, Yilkal Woube, Temesgen Samuel, Evangelyn Alocija, Woubit Abebe   +9 more
doaj   +1 more source

Development of Optical Biosensor Technologies for Cardiac Troponin Recognition [PDF]

, 2015
Acute myocardial infarction (AMI) is the leading cause of death among cardiovascular diseases. Among the numerous attempts to develop coronary marker concepts into clinical strategies, cardiac troponin is known as a specific marker for coronary events ...
Abdolrahim, Mojgan, Alhosseini, Sanaz Naghavi, Rabiee, Mohammad, Tahriri, Mohammadreza, Tayebi, Lobat, Yazdanpanah, Sara   +5 more
core   +1 more source

2D MOF with Intrinsic Porosity for Colorimetric Volatile Organic Compounds (VOCs) Detection

Advanced Materials, EarlyView.
An uncommon 2D MOF with intrinsic in‐plane porosity that can be mechanically exfoliated undergoes a distinct and reversible colour change upon exposure to various volatile organic compounds. ABSTRACT In this work, we report an uncommon 2D metal–organic framework (MOF) with intrinsic in‐plane porosity that undergoes a distinct and reversible colour ...
Sergio R. Gamarra, Alberto Fernández‐Alarcón, Joaquín Calbo, Enrique Ortí, Guillermo Mínguez Espallargas   +4 more
wiley   +1 more source

Transparent Perovskite Light‐Emitting Diodes with Conductive Oxide Top Electrodes

Advanced Materials, EarlyView.
Transparent perovskite light‐emitting diodes (TrPeLEDs) enable simultaneous display and transparency, expanding application possibilities. Using a metal oxide buffer layer and pulsed laser deposition, TrPeLEDs with diverse compositions and architectures are demonstrated.
Michele Forzatti, Sergio Martínez‐Saiz, Morena Cervino, Edoardo Stanzani, Sandra Jenatsch, Qingsen Zeng, Joo Sung Kim, Dong‐Hyeok Kim, Eojin Yoon, Tae‐Woo Lee, Daniel Tordera, Henk J. Bolink   +11 more
wiley   +1 more source

Evaluating the Performance of Loop-Mediated Isothermal Amplification for the Detection of Listeria monocytogenes Biofilms on Stainless Steel Surfaces

Pathogens
L. monocytogenes is the causative agent of human listeriosis, a deadly disease with fatality rates up to 20%. L. monocytogenes has the ability to grow under harsh environmental conditions.
Carmen Pilar Garrido-Pérez, Marta López-Cabo, Alejandro Garrido-Maestu   +2 more
doaj   +1 more source

Multifunctional Bio‐Based Packaging for Perishable Foods: Structural Design, Scalable Fabrication, and Versatile Applications

Advanced Materials, EarlyView.
An overview of design principles and scalable fabrication strategies for multifunctional bio‐based packaging. Radiative cooling films, modified‐atmosphere films/membranes, active antimicrobial/antioxidant platforms, intelligent optical/electrochemical labels, and superhydrophobic surfaces are co‐engineered from material chemistry to mesoscale structure
Lei Zhang, Jiaqi Zhang, Mei Cui, Wei Qi, Renliang Huang, Rongxin Su, Kai Zhang   +6 more
wiley   +1 more source

Recent Progress in the Phase‐Controlled Synthesis of Ruthenium Nanocrystals for Catalytic Applications

Advanced Materials, EarlyView.
Template effect and kinetic control enable crystal‐phase engineering of Ru nanocrystals, granting access to either metastable fcc‐Ru or stable hcp‐Ru with distinct surface structures, thermal stabilities, and catalytic behaviors. Moreover, the hcp‐Ru can further serve as an epitaxial template to direct Pd and Rh nanocrystals into the metastable hcp ...
Jianlong He, Zhiqi Wang, Jiaqi Guan, Younan Xia   +3 more
wiley   +1 more source