Results 81 to 90 of about 178,057 (307)

Enzymatic Assay for Cu(II) with Horseradish Peroxidase and Its Application in Colorimetric Logic Gate

open access: yes, 2013
We report an ultrasensitive and colorimetric assay for Cu(II) via enzymatic amplification strategy. The enzymatic activity of horseradish peroxidase (HRP) is strongly inhibited by Cu(I), which can be used indirectly to assay Cu(II).
Zhu, Kui   +7 more
core   +1 more source

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

open access: yesAdvanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang   +7 more
wiley   +1 more source

The establishment of in vitro culture and drug screening systems for a newly isolated strain of Trypanosoma equiperdum

open access: yesInternational Journal for Parasitology: Drugs and Drug Resistance, 2017
Dourine is caused by Trypanosoma equiperdum via coitus with an infected horse. Although dourine is distributed in Equidae worldwide and is listed as an internationally important animal disease by the World Organization for Animal Health (OIE), no ...
Keisuke Suganuma   +9 more
doaj   +1 more source

Colorimetric detection of fentanyl using a supramolecular displacement assay

open access: yes
Fentanyl is a potent synthetic opioid with an alarmingly low lethal dosage of 2 mg. The equipment necessary to detect fentanyl in field settings (e.g., handheld spectrometers) is restricted to highly trained, well-funded, and specialized personnel ...
Patrick, Reust   +5 more
core   +1 more source

Fast Colorimetric Assay for Screening NSR Catalyst

open access: yes, 2018
The NSR (NOx storage and reduction) technology is one of the most promising methods for removing NOx from next-generation lean-burn and diesel engines. Three major drawbacks, including the low temperature activity, the catalyst sulfur tolerance and the ...
Park, JH, Nam, IS, Park, SJ
core   +1 more source

3D‐Printed Piezoionic/Bioelectronic Hydrogel for Electro‐Metabolic Regulation of Osteogenic Differentiation

open access: yesAdvanced Healthcare Materials, EarlyView.
A 3D‐printed piezoionic GPMx hydrogel enables stable electromechanical signal generation under mechanical loading, exhibiting long‐term durability and low fatigue. As a bioactive patch, it restores endogenous bioelectricity to stimulate osteogenesis via Ca2+ influx and mitochondrial activation, while simultaneously enabling label‐free alkaline ...
Sayan Deb Dutta   +3 more
wiley   +1 more source

Detection of Dengue Virus Serotype 3 Using a Colorimetric Reverse Transcription Loop-Mediated Isothermal Amplification Assay: Evaluation with Clinical Samples from Southeastern Mexico

open access: yesPathogens
Dengue virus (DENV), an important mosquito-borne orthoflavivirus, represents a growing global threat due to its geographic expansion and recent outbreaks worldwide.
Perla Pérez-Tepos   +8 more
doaj   +1 more source

A Colorimetric Glucose Assay via Concentration Gradient Paper Chip

open access: yes, 2017
This paper presents a paper-based concentration gradient chip to analyze colorimetric glucose assay. The paper-based concentration gradient chip was fabricated through a wax patterning technique that can design the fluidic channel by selectively printing
김태훈   +4 more
core   +1 more source

Self‐Assembled Skin Equivalents with Monoclonal CRISPR/Cas9‐Modified N/TERT‐1 Keratinocytes: A Cutting‐Edge model for Human Skin and its Diseases

open access: yesAdvanced Healthcare Materials, EarlyView.
Self‐assembled, scaffold‐free full‐thickness skin equivalents with monoclonal, genetically modified N/TERT‐1 keratinocytes represent a novel in vitro model of human skin and skin diseases. The model is highly robust, reproducible, physiologically relevant, and suitable for high‐throughput applications.
Marta Slaufova   +4 more
wiley   +1 more source

Highly Sensitive Colorimetric Biosensor for Staphylococcal Enterotoxin B by a Label-Free Aptamer and Gold Nanoparticles

open access: yesFrontiers in Microbiology, 2018
A simple, sensitive and selective colorimetric biosensor for the detection of Staphylococcal enterotoxin B (SEB) was developed using SEB-binding aptamer (SEB2) as recognition element and unmodified gold nanoparticles (AuNPs) as colorimetric probes.
Bhairab Mondal   +4 more
doaj   +1 more source

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