Results 81 to 90 of about 129,557 (299)

Recent Advances in Porphyrin-Based Covalent Organic Frameworks for Synergistic Photodynamic and Photothermal Therapy

open access: yesPharmaceutics
Porphyrin’s excellent biocompatibility and modifiability make it a widely studied photoactive material. However, its large π-bond conjugated structure leads to aggregation and precipitation in physiological solutions, limiting the biomedical applications
Cheng Qi   +5 more
doaj   +1 more source

Drug‐Free Thrombolysis Mediated by Physically Activated Micro/Nanoparticles

open access: yesAdvanced Functional Materials, EarlyView.
Overview of particle‐mediated thrombolytic effects (thermal, mechanical, and chemical) and their activating physical stimuli (light, ultrasound, and magnetic field) in drug‐free thrombolysis. ABSTRACT Thrombus‐associated disorders rank among the world's leading causes of death, with ischemic heart disease and stroke as the main contributors.
Pierre Sarfati   +2 more
wiley   +1 more source

Spin Relaxation in Graphene with self-assembled Cobalt Porphyrin Molecules [PDF]

open access: yes, 2015
In graphene spintronics, interaction of localized magnetic moments with the electron spins paves a new way to explore the underlying spin relaxation mechanism.
Feringa, B. L.   +7 more
core   +2 more sources

Metal–Organic Frameworks for Gaseous Pollutant Management: From Capture to Neutralization and Reutilization

open access: yesAdvanced Functional Materials, EarlyView.
This review maps how MOFs can manage hazardous gases by combining adsorption, neutralization, and reutilization, enabling sustainable air‐pollution control. Covering chemical warfare agent simulants, SO2, NOx, NH3, H2S, and volatile organic compounds, it highlights structure‐guided strategies that boost selectivity, water tolerance, and cycling ...
Yuanmeng Tian   +8 more
wiley   +1 more source

Metalloporphyrins inactivate caspase-3 and -8 [PDF]

open access: yes, 2005
Activation of caspases represents one of the earliest biochemical indicators for apoptotic cell death. Therefore, measurement of caspase activity is a widely used and generally accepted method to determine apoptosis in a wide range of in vivo and in ...
Blumenthal, Signe B.   +8 more
core   +1 more source

Sensitized Triplet Exciton Generation in Nanostructured Polymer Scintillators: Toward Improved γ/Neutron Discrimination

open access: yesAdvanced Functional Materials, EarlyView.
Rapid γ/neutron discrimination through PSD is achieved in liquid droplet containing nanostructured polymeric scintillator where a TTA‐active dye is dissolved. The inclusion of a properly selected and dosed sensitizer metalated porphyrin enhances discrimination sensitivity and speed by doubling the density of annihilating triplets and increasing the ...
Luca Pollice   +9 more
wiley   +1 more source

Vibrational exciton nanoimaging of phases and domains in porphyrin nanocrystals. [PDF]

open access: yes, 2020
Much of the electronic transport, photophysical, or biological functions of molecular materials emerge from intermolecular interactions and associated nanoscale structure and morphology.
Bechtel, Hans A   +6 more
core   +1 more source

Visualizing intramolecular distortions as the origin of transverse magnetic anisotropy [PDF]

open access: yes, 2018
The magnetic properties of metal–organic complexes are strongly influenced by conformational changes in the ligand. The flexibility of Fe-tetra-pyridyl-porphyrin molecules leads to different adsorption configurations on a Au(111) surface.
Czekelius, Constantin   +4 more
core   +3 more sources

Classical and Non-Classical Compound Combinations for Treatment of Prostate Cancer Cell Line PC3

open access: yesProceedings
Prostate cancer is one of the leading causes of death among men. Our study focuses on seeking new compounds and combinations to diminish the severe side effects of classical anticancer drugs for treating this type of cancer.
Lidiya Petrova   +6 more
doaj   +1 more source

Spectroscopic Studies on the Interaction of a Water-Soluble Cationic Porphyrin with Bovine Serum Albumin

open access: yesAnalytical Cellular Pathology, 2013
The interaction of a water-soluble cationic porphyrin, Cobalt(III) 5, 10, 15, 20-tetrakis (1-methylpyridinium-4-yl) porphyrin [Co(III)TMPyP], with bovine serum albumin (BSA) has been studied in 1 mM phosphate buffer pH 7.0 containing 5 mM NaCl by UV-vis ...
Hamid Dezhampanah   +2 more
doaj   +1 more source

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