Genome-wide examination of the natural solar radiation response in Shewanella oneidensis MR-1.

abstract：:The photostability of drugs administered topically on unprotected skin is a complex phenomenon that could be connected with the loss of activity or, rather rarely, the occurrence of toxic degradation products. In this study, an in-depth investigation of the photostability of terbinafine, in both solutions and formulat...

journal_title：Photochemistry and photobiology

authors： Kryczyk-Poprawa A,Żmudzki P,Koczurkiewicz P,Pękala E,Hubicka U

更新日期：2019-07-01 00:00:00

abstract：:In clinical 5-aminolevulinic acid (ALA)-based photodynamic therapy (PDT) of skin tumors it is desirable to develop vehicles that minimize the penetration of ALA through normal stratum corneum and maximize it through the compromised stratum corneum of the tumors to improve tumor selectivity. We have designed a bioadhes...

journal_title：Photochemistry and photobiology

authors： Donnelly RF,Ma LW,Juzenas P,Iani V,McCarron PA,Woolfson AD,Moan J

更新日期：2006-05-01 00:00:00

abstract：:Ultraviolet germicidal irradiation (UVGI) for air disinfection applications has relied on low-pressure mercury vapor lamps for decades. New design requirements have generated the need for alternatives in some uses. This study describes the current state of UVGI technology and describes future directions for technology...

journal_title：Photochemistry and photobiology

authors： Miller SL,Linnes J,Luongo J

更新日期：2013-07-01 00:00:00

abstract：:Evanescent wave illumination with total internal reflection is often used to provide excitation near a quartz-water interface. We now show that evanescent illumination at one wavelength and incident angle, coupled with light quenching at a second wavelength and incident angle, can be used for selective excitation of f...

journal_title：Photochemistry and photobiology

authors： Lakowicz JR,Gryczynski Z,Gryczynski I

更新日期：1996-10-01 00:00:00

abstract：:The photoprocesses of berberine, palmatine, coralyne, sanguinarine, flavopereirine and ellipticine were studied in several solvents. The quantum yields Φ(Δ) of singlet molecular oxygen formation of berberine, palmatine and sanguinarine are moderate in dichloromethane (0.2-0.6) and much smaller in acetonitrile or trifl...

journal_title：Photochemistry and photobiology

authors： Görner H,Miskolczy Z,Megyesi M,Biczók L

更新日期：2011-03-01 00:00:00

abstract：:Photosensitizers (PS) are compounds that can generate reactive oxygen species under irradiation of appropriate light and are widely used in photodynamic therapy (PDT). Currently, topical PDT is an effective treatment for several skin diseases, including bacterial infections, fungal mycoses and psoriasis. In addition, ...

journal_title：Photochemistry and photobiology

authors： de França BM,Ghasemishahrestani Z,de Souza GFM,da Silva RN,Queiroz DD,Pierre MBR,Pereira MD,Forero JSB,Corrêa RJ

更新日期：2020-09-23 00:00:00

abstract：:SV40 DNA was irradiated in vitro and in vivo with UV-C (240-280 nm) and UV-B (280-320 nm) light, and damaged sites sensitive to digestion with Escherichia coli endonuclease III (endo III) and bacteriophage T4 endonuclease V (endo V) were quantified. The frequency of endo III-sensitive sites (primarily cytosine photohy...

journal_title：Photochemistry and photobiology

authors： Mitchell DL,Jen J,Cleaver JE

更新日期：1991-11-01 00:00:00

abstract：:International patterns suggest germ cell testicular cancer (GCTC) incidence may be lower in lower latitudes. To investigate this possibility, we examined GCTC incidence by latitude (population centroid in 2000) for men ≥15 years within two reasonably homogeneous countries, the United States and Australia. In the Unite...

journal_title：Photochemistry and photobiology

authors： Biggar RJ,Baade PD,Sun J,Brandon LE,Kimlin M

更新日期：2016-09-01 00:00:00

abstract：:Efficient phagocytosis of photoreceptor outer segments (POS) membranes by retinal pigment epithelium (RPE) plays a key role in biological renewal of these highly peroxidizable structures. Here, we tested whether photodynamic treatment, mediated by merocyanine 540 (MC 540), rose Bengal or a zinc-substituted chlorophyll...

journal_title：Photochemistry and photobiology

authors： Olchawa M,Szewczyk G,Zareba M,Piłat A,Bzowska M,Mikołajczyk T,Sarna T

更新日期：2010-07-01 00:00:00

abstract：:Intracellular targets for the photosensitizer alpha-terthienyl (alpha T) were examined by fluorescence microscopy and microfluorospectrometry using human nonkeratinized buccal cells. Intracellular distribution of alpha T was observed as fluorescent patches widely dispersed in the cytoplasm. The distribution of the flu...

journal_title：Photochemistry and photobiology

authors： Sasaki M,Koyama S,Tokiwa K,Fujita H

更新日期：1993-05-01 00:00:00

abstract：:A novel type of circadian and photoperiodic control of the cell division cycle was found in photoautotrophic Euglena gracilis. When algae entrained to 24 h light-dark (LD) cycles (14 h L) were transferred to continuous darkness (DD) at the eighth hour of the final LD photoperiod, cell-cycle transition was arrested in ...

journal_title：Photochemistry and photobiology

authors： Hagiwara SY,Bolige A,Zhang Y,Takahashi M,Yamagishi A,Goto K

更新日期：2002-07-01 00:00:00

abstract：:Vacuum UV (VUV) process is an incipient advanced oxidation process, which can be used for water treatment. This process relies on the formation of hydroxyl radicals through the VUV-induced photolysis of water. In particular, the use of ozone-generating mercury vapor lamps, which emit 10% of the radiation at 185 nm and...

journal_title：Photochemistry and photobiology

authors： Duca C,Imoberdorf G,Mohseni M

更新日期：2014-01-01 00:00:00

abstract：:In studies of the biological effects of UV radiation, ozone depletion can be mimicked by performing the study under ambient conditions and adding radiation with UV-B lamps. We evaluated this methodology at three different locations along a latitudinal gradient: Rimouski (Canada), Ubatuba (Brazil) and Ushuaia (Argentin...

journal_title：Photochemistry and photobiology

authors： Díaz S,Camilión C,Escobar J,Deferrari G,Roy S,Lacoste K,Demers S,Belzile C,Ferreyra G,Gianesella S,Gosselin M,Nozais C,Pelletier E,Schloss I,Vernet M

更新日期：2006-07-01 00:00:00

abstract：:Our recent study follows up an earlier one which demonstrated hypericin-mediated photocytotoxic effects on HT-29 adenocarcinoma cells by light fractionation with a longer dark pause between two unequal light doses (Sackova, A. [2005] Photochem. Photobiol.81, 1411-1416). Here, we present closer study on events invoked ...

journal_title：Photochemistry and photobiology

authors： Kuliková L,Mikeš J,Hýžďalová M,Palumbo G,Fedoročko P

更新日期：2010-11-01 00:00:00

abstract：:Nowadays, introducing self-cleaning properties on various fabrics under daylight irradiation for automotive and upholstery application is in a central point of research. This can be achieved by application of metal-doped TiO2 nano particles on the textile fabrics. Here, alkali hydrolysis of polyester fabric has been c...

journal_title：Photochemistry and photobiology

authors： Gaminian H,Montazer M

更新日期：2015-09-01 00:00:00

abstract：:From June to September 2005, we carried out experiments to determine the ultraviolet radiation (UVR) -induced photoinhibition of summer phytoplankton assemblages from a coastal site of the South China Sea. Variability in taxonomic composition was determined throughout the summer, with a peak chlorophyll a (chl a appro...

journal_title：Photochemistry and photobiology

authors： Gao K,Li G,Helbling EW,Villafañe VE

更新日期：2007-07-01 00:00:00

abstract：:The progressive loss of visual faculties with advancing age is attributed, sometimes, mainly to allegedly inevitable optical deterioration, such as clouding of the media, or again to neurosenescence, as typified by cell-death. The relevant factors are assessed, and it is not thought likely that changes in normal ocula...

journal_title：Photochemistry and photobiology

authors： Weale RA

更新日期：1989-09-01 00:00:00

abstract：:A diffusible multitherapy resistance factor (MTRF) is produced by Cloudman S91 melanoma cells in vitro. The MTRF decreases sensitivity of the target cell line, S91/amel, to gamma-irradiation, UVC (200-280 nm) and mitomycin C (MMC). In the present study, we demonstrate that MTRF also increases the survival of S91/amel ...

journal_title：Photochemistry and photobiology

authors： Hill HZ,Hill GJ,Cieszka K,Azure M,Chowdhary I,Sayre RM

更新日期：1995-05-01 00:00:00

abstract：:A polyclonal, multispecific antiserum was raised against a whole 3[(3-cholamidopropyl)-dimethylammonio]-1-propanesulfonate-extract of nonirradiated Blepharisma japonicum cells. It was used to reveal the composition of solutions that were hypothesized to contain the photoreceptor of the ciliate. A Bio-Gel A 1.5 m fine ...

journal_title：Photochemistry and photobiology

authors： Podestà A,Gioffré D,Grossi T,Montagnoli G

更新日期：2000-05-01 00:00:00

abstract：:Hypericin is a naturally occurring photosensitizer, whose presence in plants has been responsible for cutaneous phototoxicity in grazing animals. The photosensitizing properties of this agent have recently been exploited in models for anti-tumor and anti-viral activity. The cytotoxicity of hypericin and light was asse...

journal_title：Photochemistry and photobiology

authors： Yu H,Wolford ST,Kegode R,Zhao W,Osweller GD

更新日期：1996-07-01 00:00:00

abstract：:Types of photoreceptor cells in the retinas of 36 species of vertebrates (5 classes, 14 orders) were investigated immunocytochemically with monoclonal antibodies against chicken iodopsin (Io-mAb) and antiserum against bovine rhodopsin (Rh-As). In mammals, Rh-As labeled the outer segments of some photoreceptor cells in...

journal_title：Photochemistry and photobiology

authors： Kawata A,Oishi T,Fukada Y,Shichida Y,Yoshizawa T

更新日期：1992-12-01 00:00:00

abstract：:The recently discovered photo-activated adenylyl cyclase (mPAC from Microcoleus chthonoplastes) is the first PAC that owes a light-, oxygen- and voltage-sensitive (LOV) domain for blue-light sensing. The photoreaction of the mPAC receptor was studied by time-resolved UV/vis and light-induced Fourier transform infrared...

journal_title：Photochemistry and photobiology

authors： Kerruth S,Langner P,Raffelberg S,Gärtner W,Heberle J

更新日期：2017-05-01 00:00:00

abstract：:We investigated the hypothesis that the strength of the activation of the intra-S DNA damage checkpoint varies within the S phase. Synchronized diploid human fibroblasts were exposed to either 0 or 2.5 J m(-2) UVC in early, mid- and late-S phase. The endpoints measured were the following: (1) radio-resistant DNA synth...

journal_title：Photochemistry and photobiology

authors： Chastain PD 2nd,Brylawski BP,Zhou YC,Rao S,Chu H,Ibrahim JG,Kaufmann WK,Cordeiro-Stone M

更新日期：2015-01-01 00:00:00

abstract：:In antimicrobial photodynamic therapy, the photosensitizer (PS) in its ground singlet state absorbs light to give the excited singlet state that can transition to the long-lived triplet state. This PS triplet may undergo energy transfer (Type 2) or electron transfer (Type 1) to oxygen to form reactive oxygen species (...

journal_title：Photochemistry and photobiology

authors： Hamblin MR

更新日期：2012-05-01 00:00:00

abstract：:We studied the effect on the intraocular pressure (IOP) and the ciliary body (CB) morphology after four consecutive contact transcleral photodynamic treatments of the ciliary body (CB-PDT) with verteporfin in pigmented rabbits. Twenty-two pigmented rabbits underwent CB-PDT (study group), performed once (six rabbits) o...

journal_title：Photochemistry and photobiology

authors： Charisis SK,Naoumidi II,Ginis HS,Detorakis ET,Tsilimbaris MK

更新日期：2010-01-01 00:00:00

abstract：:Detergent solubilized bacteriorhodopsin (BR) proteins which contain alterations made by site-directed mutagenesis (Asp-96----Asn, D96N; Asp-85----Asn, D85N; and Arg-82----Gln, R82Q) have been studied with resonance Raman spectroscopy. Raman spectra of the light-adapted (BRLA) and M species in D96N are identical to tho...

journal_title：Photochemistry and photobiology

authors： Lin SW,Fodor SP,Miercke LJ,Shand RF,Betlach MC,Stroud RM,Mathies RA

更新日期：1991-03-01 00:00:00

abstract：:Photodynamic therapy (PDT) is frequently accompanied by induction of systemic immunosuppression. Photochemical mechanisms underlying this effect are not completely understood. Here, we demonstrate the immunosuppressive activity of photooxidation products of protoporphyrin IX dimethyl ester (PPIX) in a murine model of ...

journal_title：Photochemistry and photobiology

authors： Kyagova AA,Mansurova GV,Kozir LA,Ponomarev GV,Pavlov VY,Konstantinov IO,Potapenko AY

更新日期：2005-11-01 00:00:00

abstract：:Lamprigera (Lampyridae) is a small genus with only 17 species distributing in Asian countries. Its larviform females and alate males can produce continuously strong yellow-green light at night. However, no luciferase gene was reported for this genus and its subfamily-level phylogenetic position still remains uncertain...

journal_title：Photochemistry and photobiology

authors： Liu GC,Zhang R,Hou QB,He JW,Dong ZW,Zhao RP,Wang W,Li XY

更新日期：2019-09-01 00:00:00

abstract：:Targeted mutagenesis and gene knock-out can be mediated by triple helix-forming oligonucleotides (TFO) linked to mutagenic agents, such as psoralen. However, this strategy is limited by the availability of homopurine/homopyrimidine stretches at or near the target site because such sequences are required for high-affin...

journal_title：Photochemistry and photobiology

authors： Raha M,Lacroix L,Glazer PM

更新日期：1998-03-01 00:00:00

abstract：:Low-power lasers are commonly used in human medicine for treatment of various pathological conditions, but mechanisms of their healing effects are still poorly understood. The results of this study provide information related to these effects at the cellular level. Two different protozoan species, Euglena gracilis and...

journal_title：Photochemistry and photobiology

authors： Koutna M,Janisch R,Unucka M,Svobodnik A,Mornstein V

更新日期：2004-11-01 00:00:00