Results 91 to 100 of about 183,389 (397)

Photo‐Controlled Antibacterial Drug Release From DASA‐Coated Silica Particles for Improved Treatment of Wound Infections

open access: yesAdvanced Functional Materials, EarlyView.
Synthesis and characterization of light‐responsive donor–acceptor Stenhouse adducts (DASA)‐coated chlorhexidine‐loaded silica nanoparticles. Such a controllable drug‐delivery system enables the release of the antimicrobial drug on demand and in consecutive cycles, thereby maintaining the concentration within the therapeutic window.
Michèle Clerc   +9 more
wiley   +1 more source

Photodynamic and Photothermal Effects of MXene Ti3C2Tx Under 460/808 nm Light Against Methicillin‐Resistant Staphylococcus aureus

open access: yesMedComm – Biomaterials and Applications
The emergence and widespread development of drug‐resistant bacteria pose significant challenges to global public health. Methicillin‐resistant Staphylococcus aureus (MRSA) is one of the most typical multidrug‐resistant bacteria, capable of causing life ...
Yujie Gao   +7 more
doaj   +1 more source

Advancing cancer treatment with nanozyme frameworks: Integrating photothermal, photodynamic, sonodynamic, and chemodynamic therapies [PDF]

open access: yesIranian Journal of Basic Medical Sciences
Cancer is considered a serious threat to human life and one of the major leading causes of death in the world. As a critical medical challenge in developing and developed countries globally, progress in the design of theranostic nanomedicine is ...
Seyed Mohammad Mahdi Rais Sadati   +6 more
doaj   +1 more source

The 'nanobig rods' class of gold nanorods: optimized dimensions for improved in vivo therapeutic and imaging efficacy [PDF]

open access: yes, 2013
Currently, gold nanorods can be synthesized in a wide range of sizes. However, for intended biological applications gold nanorods with approximate dimensions 50 nm x 15 nm are used.
Koning, Gerben A.   +3 more
core   +3 more sources

Establishing a Model Precursor System: Over a Decade of Research on Carbon Dots from the Citric Acid‐Urea System

open access: yesAdvanced Functional Materials, EarlyView.
The citric acid/urea (CA‐Urea) precursor system offers a versatile, scalable route to carbon dots with tunable luminescence and multifunctionality. Mechanistic insights into precursor chemistry and reaction parameters have enabled doping, surface modification, and hybridization strategies, yielding CDs for luminescent devices, sensing, catalysis ...
Yupeng Liu   +10 more
wiley   +1 more source

Single crystal diamond nanobeam waveguide optomechanics

open access: yes, 2015
Optomechanical devices sensitively transduce and actuate motion of nanomechanical structures using light. Single--crystal diamond promises to improve the performance of optomechanical devices, while also providing opportunities to interface nanomechanics
Barclay, Paul E.   +5 more
core   +4 more sources

Synthesis of molybdenum oxide nanoparticles by nanosecond laser ablation [PDF]

open access: yes, 2020
Phothermal therapy (PTT) is one of the most promising techniques to treat cancer. Finding the ideal PTT agent nanomaterial has remained a challenge and has brought the interest of several researchers.
Aguilar, G   +6 more
core  

Optomechanical and Crystallization Phenomena Visualized with 4D Electron Microscopy: Interfacial Carbon Nanotubes on Silicon Nitride [PDF]

open access: yes, 2010
With ultrafast electron microscopy (UEM), we report observation of the nanoscopic crystallization of amorphous silicon nitride, and the ultrashort optomechanical motion of the crystalline silicon nitride at the interface of an adhering carbon nanotube ...
Flannigan, David J., Zewail, Ahmed H.
core   +2 more sources

Nanodiamond Quantum Sensors for Probing Free Radical Biology

open access: yesAdvanced Functional Materials, EarlyView.
Free radicals play key roles in cellular signaling and disease but remain difficult to measure in living systems. Nanodiamonds (NDs) with nitrogen‐vacancy (NV) centers enable quantum sensing of local magnetic noise via T₁ relaxometry, providing nondestructive radical detection in living cells.
Qi Lu, Yingke Wu, Tanja Weil
wiley   +1 more source

Photothermal characterization of encapsulant materials for photovoltaic modules [PDF]

open access: yes
A photothermal test matrix and a low cost testing apparatus for encapsulant materials of photovoltaic modules were defined. Photothermal studies were conducted to screen and rank existing as well as future encapsulant candidate materials and/or material ...
Distefano, S., Gupta, A., Liang, R. H.
core   +1 more source

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