[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Zhang et al., 1994 - Google Patents

Femtosecond studies of hematoporphyrin derivative in solution: effect of pH and solvent on the excited state dynamics

Zhang et al., 1994

Document ID
18060300444810639332
Author
Zhang J
O'Neil R
Evans J
Publication year
Publication venue
Photochemistry and photobiology

External Links

Snippet

We report direct femtosecond measurements of the excited state dynamics of hematoporphyrin derivative (HpD) in solution. The dynamics are found to be very sensitive to the solvent and pH of aqueous solutions. The decay of the excited singlet states is much …
Continue reading at onlinelibrary.wiley.com (other versions)

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K41/00Medicinal preparations obtained by treating materials with wave energy or particle radiation; Therapies using these preparations
    • A61K41/0057Photodynamic therapy with a photosensitizer, i.e. agent able to produce reactive oxygen species upon exposure to light or radiation, e.g. UV or visible light; photocleavage of nucleic acids with an agent
    • A61K41/0076PDT with expanded (metallo)porphyrins, i.e. having more than 20 ring atoms, e.g. texaphyrins, sapphyrins, hexaphyrins, pentaphyrins, porphocyanines
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/06Radiation therapy using light
    • A61N5/0613Apparatus adapted for a specific treatment
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K41/00Medicinal preparations obtained by treating materials with wave energy or particle radiation; Therapies using these preparations
    • A61K41/0057Photodynamic therapy with a photosensitizer, i.e. agent able to produce reactive oxygen species upon exposure to light or radiation, e.g. UV or visible light; photocleavage of nucleic acids with an agent
    • A61K41/0071PDT with porphyrins having exactly 20 ring atoms, i.e. based on the non-expanded tetrapyrrolic ring system, e.g. bacteriochlorin, chlorin-e6, or phthalocyanines
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine, rifamycins
    • A61K31/40Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine, rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K41/00Medicinal preparations obtained by treating materials with wave energy or particle radiation; Therapies using these preparations
    • A61K41/0009Inactivation or decontamination of a medicinal preparation prior to administration to the animal or human, e.g. : inactivation of viruses or bacteria for vaccines, sterilisation by electromagnetic radiation
    • A61K41/0019Inactivation or decontamination of a medicinal preparation prior to administration to the animal or human, e.g. : inactivation of viruses or bacteria for vaccines, sterilisation by electromagnetic radiation by UV, IR, Rx or gamma rays

Similar Documents

Publication Publication Date Title
Bonnett et al. Photophysical properties of meso‐tetraphenylporphyrin and some meso‐tetra (hydroxyphenyl) porphyrins
Patterson et al. Experimental tests of the feasibility of singlet oxygen luminescence monitoring in vivo during photodynamic therapy
Hadjur et al. Spectroscopic studies of photobleaching and photoproduct formation of meta (tetrahydroxyphenyl) chlorin (m-THPC) used in photodynamic therapy. The production of singlet oxygen by m-THPC
Detty et al. Chalcogenapyrylium dyes as potential photochemotherapeutic agents. Solution studies of heavy atom effects on triplet yields, quantum efficiencies of singlet oxygen generation, rates of reaction with singlet oxygen, and emission quantum yields
Oliveira et al. Major determinants of photoinduced cell death: Subcellular localization versus photosensitization efficiency
Staicu et al. Studies about phthalocyanine photosensitizers to be used in photodynamic therapy
EP0361936B1 (en) Lasing compositions and methods for using the same
Kelbauskas et al. Internalization of Aggregated Photosensitizers by Tumor Cells: Subcellular Time‐resolved Fluorescence Spectroscopy on Derivatives of Pyropheophorbide‐a Ethers and Chlorin e6 under Femtosecond One‐and Two‐photon Excitation¶
Redmond et al. THERMAL‐LENSING AND PHOSPHORESCENCE STUDIES OF THE QUANTUM YIELD AND LIFETIME OF SINGLET MOLECULAR OXYGEN (1 Δg) SENSITIZED BY HEMATOPORPHYRIN AND RELATED PORPHYRINS IN DEUTERATED AND NON‐DEUTERATED ETHANOLS
Moan et al. Photoproducts formed from photofrin II in cells
Teuchner et al. Spectroscopic properties of potential sensitizers for new photodynamic therapy start mechanisms via two‐step excited electronic states
Pogue et al. Photophysical properties of tin ethyl etiopurpurin I (SnET2) and tin octaethylbenzochlorin (SnOEBC) in solution and bound to albumin
Kunz et al. Intracellular Photobleaching of 5, 10, 15, 20‐Tetrakis (m‐hydroxyphenyl) chlorin (Foscan®) Exhibits a Complex Dependence on Oxygen Level and Fluence Rate¶
Juvekar et al. Two-photon excitation photosensitizers for photodynamic therapy: From small-molecules to nano-complex systems
Moore 2 CHAPTER Photophysical and Photochemical Aspects of Drug Stability
Katona et al. Triplet state spectroscopic studies on some 5, 10, 15, 20-tetrakis (methoxyphenyl) porphyrins
Zhang et al. Femtosecond studies of hematoporphyrin derivative in solution: effect of pH and solvent on the excited state dynamics
Yova et al. Photochemical effects and hypericin photosensitized processes in collagen
Stiel et al. Photophysical properties of the photosensitizer pheophorbide a studied at high photon flux densities
Pelegrino et al. Photophysical Properties of Crowned Porphyrins¶
Howe et al. Time‐resolved studies of the excited‐state dynamics of meso‐tetra (hydroxylphenyl) chlorin in solution
Maestrin et al. Synthesis, spectroscopy and photosensitizing properties of hydroxynitrophenylporphyrins
Li et al. Singlet oxygen quantum yields of porphyrin-based photosensitizers for photodynamic therapy
Gerhardt et al. Photophysical behaviour of an opp-dibenzoporphyrin (2, 12-diethyl-3, 13-dimethyldibenzo [g, q] porphyrin) in micelles and organic solvents
Gadonas et al. Singlet-singlet and triplet-triplet absorption of hematoporphyrin diacetate