Overcoming the Achilles' heel of photodynamic therapy

W Fan, P Huang, X Chen - Chemical Society Reviews, 2016 - pubs.rsc.org
Photodynamic therapy (PDT) has been applied to treat a wide range of medical conditions,
including wet age-related macular degeneration psoriasis, atherosclerosis, viral infection …

Singlet oxygen: there is indeed something new under the sun

PR Ogilby - Chemical Society Reviews, 2010 - pubs.rsc.org
Singlet oxygen, O2 (a1Δg), the lowest excited electronic state of molecular oxygen, has
been known to the scientific community for∼ 80 years. It has a characteristic chemistry that …

Singlet oxygen photophysics: from liquid solvents to mammalian cells

M Bregnhøj, F Thorning, PR Ogilby - Chemical Reviews, 2024 - ACS Publications
Molecular oxygen, O2, has long provided a cornerstone for studies in chemistry, physics,
and biology. Although the triplet ground state, O2 (X3Σg–), has garnered much attention, the …

Nanoparticles as vehicles for delivery of photodynamic therapy agents

D Bechet, P Couleaud, C Frochot, ML Viriot… - Trends in …, 2008 - cell.com
Photodynamic therapy (PDT) in cancer treatment involves the uptake of a photosensitizer by
cancer tissue followed by photoirradiation. The use of nanoparticles as carriers of …

Nonlinear optical properties of porphyrins

MO Senge, M Fazekas, EGA Notaras… - Advanced …, 2007 - Wiley Online Library
Porphyrins and phthalocyanines have outstanding chemical and thermal stability. The
macrocyclic structure and chemical reactivity of tetrapyrroles offers architectural flexibility …

Organically modified silica nanoparticles co-encapsulating photosensitizing drug and aggregation-enhanced two-photon absorbing fluorescent dye aggregates for …

S Kim, TY Ohulchanskyy, HE Pudavar… - Journal of the …, 2007 - ACS Publications
We report energy-transferring organically modified silica nanoparticles for two-photon
photodynamic therapy. These nanoparticles co-encapsulate two-photon fluorescent dye …

Polymerization-enhanced two-photon photosensitization for precise photodynamic therapy

S Wang, W Wu, P Manghnani, S Xu, Y Wang, CC Goh… - ACS …, 2019 - ACS Publications
Two-photon excited photodynamic therapy (2PE-PDT) has attracted great attention in recent
years due to its great potential for deep-tissue and highly spatiotemporally precise cancer …

Lifetime and diffusion of singlet oxygen in a cell

E Skovsen, JW Snyder, JDC Lambert… - The Journal of Physical …, 2005 - ACS Publications
In time-and spatially resolved experiments, singlet molecular oxygen, O2 (aΔg), was created
in a single nerve cell upon irradiation of a sensitizer incorporated in the cell nucleus using a …

Nanophotosensitizers toward advanced photodynamic therapy of Cancer

CK Lim, J Heo, S Shin, K Jeong, YH Seo, WD Jang… - Cancer letters, 2013 - Elsevier
Photodynamic therapy (PDT) is a non-invasive treatment modality for selective destruction of
cancer and other diseases and involves the colocalization of light, oxygen, and a …

Charge effect on the photoinactivation of Gram-negative and Gram-positive bacteria by cationic meso-substituted porphyrins

E Alves, L Costa, CMB Carvalho, JPC Tomé… - BMC microbiology, 2009 - Springer
Background In recent times photodynamic antimicrobial therapy has been used to efficiently
destroy Gram (+) and Gram (-) bacteria using cationic porphyrins as photosensitizers. There …