解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::High-altitude Andean lakes (HAAL) are a treasure chest for microbiological research in South America. Their indigenous microbial communities are exposed to extremely high UV irradiation and to multiple chemical extremes (Arsenic, high salt content, alkalinity). Microbes are found both, free-living or associated into m...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章,评审
doi:10.1111/php.12555
更新日期:2016-01-01 00:00:00
abstract::More scheduled outdoor stay is increasingly advocated for school children. This study measured 2(nd) , 5(th) and 8(th) graders' erythemal UV-exposure in September, March and May at four Swedish schools. We related those exposures, as fractions of total available ambient radiation, to the schools outdoor environments d...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12540
更新日期:2016-01-01 00:00:00
abstract::UVB radiation contributes to both direct and indirect damage to the skin including the generation of free radicals and reactive oxygen species (ROS), inflammatory responses, immunosuppression and gene mutations, which can ultimately lead to photocarcinogenesis. A plant-derived flavonoid, baicalin, has been shown to ha...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12505
更新日期:2015-11-01 00:00:00
abstract::Macroalgae distributed in intertidal zones experience a series of environmental changes, such as periodical desiccation associated with tidal cycles, increasing CO2 concentration and solar UVB (280-315 nm) irradiance in the context of climate change. We investigated how the economic red macroalga, Pyropia haitanensis,...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12531
更新日期:2015-11-01 00:00:00
abstract::Accurate determination of the diurnal variability and daily insolation of surface (0(+) ) and subsurface (0(-) ) irradiance are essential to estimate several physical, chemical and biological processes occurring at the surface layer of marine environments. Natural downwelling PAR and spectral UVR were examined on eigh...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12474
更新日期:2015-09-01 00:00:00
abstract::UVR8 is the only known plant photoreceptor that mediates light responses to UV-B (280-315 nm) of the solar spectrum. UVR8 perceives a UV-B signal via light-induced dimer dissociation, which triggers a wide range of cellular responses involved in photomorphogenesis and photoprotection. Two recent crystal structures of ...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章,评审
doi:10.1111/php.12470
更新日期:2015-09-01 00:00:00
abstract::We have studied the photophysics and rotational diffusion of hydrophilic solute 7-(N, N'-diethylamino)coumarin-3-carboxylic acid (7-DCCA) in a room temperature ionic liquid methyltrioctylammonium bis(trifluoromethylsulfonyl) imide ([N1888 ][NTf2 ]). Comparison of activation energies of viscous flow and nonradiative de...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12472
更新日期:2015-09-01 00:00:00
abstract::In eukaryotic cells helix-distorting DNA lesions like cyclobutane pyrimidine dimers (CPDs) and 6-4 pyrimidine-pyrimidone photoproducts (6-4 PPs) are efficiently removed by nucleotide excision repair (NER). NER is a multistep process where in the end, subsequent to replication over the gap, the remaining nick is sealed...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12487
更新日期:2015-09-01 00:00:00
abstract::A key challenge for microbiology is to understand how evolution has shaped the wiring of regulatory networks. This is amplified by the paucity of information of power-spectra of physicochemical stimuli to which microorganisms are exposed. Future studies of genome evolution, driven by altered stimulus regimes, will the...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章,评审
doi:10.1111/php.12499
更新日期:2015-09-01 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
pub_type: 杂志文章
doi:10.1111/php.12478
更新日期:2015-09-01 00:00:00
abstract::As the most important interface between human body and external environment, skin acts as an essential barrier preventing various environmental damages, among which DNA-damaging UV radiation from the sun remains the major environmental risk factor causing various skin diseases. It has been well documented that wavelen...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12462
更新日期:2015-07-01 00:00:00
abstract::Luciferin-regenerating enzyme (LRE) contributes to in vitro recycling of D-luciferin. In this study, reinvestigation of the luciferase-based LRE assay is reported. Here, using quick change site-directed mutagenesis seven T-LRE (Lampyris turkestanicusLRE) mutants were constructed and the most functional mutant of T-LRE...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12430
更新日期:2015-07-01 00:00:00
abstract::Photodimerization of cocrystals of four bispyridylethylenes and two stilbazoles with urea as a template in the solid state has been investigated following our success with thiourea. Four investigated olefins photodimerized quantitatively to a single dimer in the crystalline state only. The reactivity of urea-olefin cr...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12353
更新日期:2015-05-01 00:00:00
abstract::Schinus terebinthifolius is a plant rich in phenolic compounds, which have antioxidant properties and can provide new opportunities for treatment and prevention of diseases mediated by ultraviolet radiation like photoaging and skin cancer. The aim of this study was to evaluate the photoprotective potential and ex vivo...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12419
更新日期:2015-05-01 00:00:00
abstract::The seminal discovery by James Cleaver of defective DNA repair in xeroderma pigmentosum (XP) opened up an ever-expanding field of DNA repair-related disorders. In addition, it put XP on the map and has led to improved diagnosis, care and management of affected patients. In the United Kingdom, we recently established a...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12301
更新日期:2015-03-01 00:00:00
abstract::This study compares the abilities of the glutathione (GSH) and thioredoxin (Trx) antioxidant systems in defending cultured human lens epithelial cells (LECs) against UVA light. Levels of GSH were depleted with either L-buthionine-(S,R)-sulfoximine (BSO) or 1-chloro-2,4-dinitrobenzene (CDNB). CDNB treatment also inhibi...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12404
更新日期:2015-03-01 00:00:00
abstract::The present work is aimed to synthesize CdTe/ZnSe core/shell quantum dots (QDs) in an easy way and to explore the possibilities of its application in in vitro imaging of chicken tissue and embryo. The QDs were prepared using microwave irradiation with different temperatures, which is a very easy and less time-consumin...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12398
更新日期:2015-03-01 00:00:00
abstract::Solar ultraviolet B (UVB) radiation has been shown to induce inflammation, DNA damage, p53 mutations and alterations in signaling pathways eventually leading to skin cancer. In this study, we investigated whether fisetin reduces inflammatory responses and modulates PI3K/AKT/NFκB cell survival signaling pathways in UVB...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12337
更新日期:2015-01-01 00:00:00
abstract::We report here the design and synthesis of porphyrin-metallocene dyads consisting of a metallocene [either ferrocene or mixed sandwich η(5)-[C5H4(COOH)]Co(η(4)-C4Ph4) connected via an ester linkage at meso phenyl position of either free-base or zinc porphyrin. All these dyad systems were characterized by various spect...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12372
更新日期:2015-01-01 00:00:00
abstract::As a new class of sequence-specific regulators of gene expression, the microRNAs (miRNA) form a regulatory network with growth factors and transcription factors participating in various biological processes. It is now being recognized that the various key processes involved in cancer induction are under the control of...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章,评审
doi:10.1111/php.12346
更新日期:2015-01-01 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
pub_type: 杂志文章
doi:10.1111/php.12361
更新日期:2015-01-01 00:00:00
abstract::Oculocutaneous albinism (OCA) is a genetically inherited autosomal recessive condition. Individuals with OCA lack melanin and therefore are susceptible to the harmful effects of solar ultraviolet radiation, including extreme sun sensitivity, photophobia and skin cancer. OCA is a grave public health issue in sub-Sahara...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章,评审
doi:10.1111/php.12359
更新日期:2015-01-01 00:00:00
abstract::2-Aminoacetophenone (AAP) was recognized as the key compound for the so-called untypical aging off-flavor (UTA) in Vitis vinifera wines. In this study, it was shown that AAP can be formed by photooxidation of free and protein-bound tryptophan (TRP) in combination with a subsequent storage in model wine. Solutions of T...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12321
更新日期:2014-11-01 00:00:00
abstract::The photophysical parameters for the photosensitizer Pd(II) meso-Tetra(4-carboxyphenyl) porphine (PdT790) acquired in a previous study were incorporated into the PDT oxygen diffusion models for cell suspensions and cell monolayers. The time-dependent phosphorescence signals generated by the diffusion models are shown ...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12320
更新日期:2014-11-01 00:00:00
abstract::Exposure to ultraviolet radiation is closely linked to the development of skin cancers in humans. The ultraviolet B (UVB) radiation wavelength (280-320 nm), in particular, causes DNA damage in epidermal keratinocytes, which are linked to the generation of signature premalignant mutations. Interactions between dermal f...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12317
更新日期:2014-11-01 00:00:00
abstract::The efficacy of photodynamic therapy (PDT) depends upon the amount of photosensitizer accumulated in the malignant tissues. Radachlorin is a popular photosensitizer used in photodynamic therapy to treat various types of cancer. In this study, we have studied the main organelles responsible for the accumulation of rada...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12273
更新日期:2014-09-01 00:00:00
abstract::Cyamemazine (CMZ) is a neuroleptic drug that mediates cutaneous phototoxicity in humans. Here, the photobehavior of CMZ has been examined within α1 -acid glycoproteins, β- and γ-cyclodextrins and SDS micelles. In all these microenvironments, CMZ emission was enhanced and blue-shifted, and its lifetime was longer. Irra...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12303
更新日期:2014-09-01 00:00:00
abstract::Structure-activity relationships have been widely reported for porphyrin and phthalocyanine photosensitizers, but not for phenothiazinium derivatives. Here, four phenothiazinium salts (methylene blue, toluidine blue O, 1,9-dimethyl methylene blue and the pentacyclic derivative DO15) were used to investigate how the ab...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12264
更新日期:2014-07-01 00:00:00
abstract::A series of luminescent ion exchanged zeolite are synthesized by introducing various ions into NaY zeolite. Monometal ion (Eu(3+), Tb(3+), Ce(3+), Y(3+), Zn(2+), Cd(2+), Cu(2+)) exchanged zeolite, rare-earth ion (Eu(3+), Tb(3+), Ce(3+)) exchanged zeolite modified with Y(3+) and rare-earth ion (Eu(3+), Tb(3+), Ce(3+)) ...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12235
更新日期:2014-05-01 00:00:00
abstract::Light-dark cycles are considered important cues to entrain biological clocks. A feedback loop of clock gene transcription and translation is the molecular basis underlying the mechanism of both central and peripheral clocks. Xenopus laevis embryonic melanophores respond to light with melanin granule dispersion, respon...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12230
更新日期:2014-05-01 00:00:00
abstract::Bacteriochlorophyll (BChl) e was coassembled with BChl c in Triton X-100 micelles in aqueous solutions. The Qy absorption bands of the coaggregates were positioned between those of aggregates consisting solely of BChl c or e. The electronic absorption spectra of the coaggregates could not be reproduced by linear combi...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12219
更新日期:2014-05-01 00:00:00
abstract::Various photosensitizers were grafted by conventional peptide coupling methods to functionalized silica with several macroscopic shapes (powders, films) or embedded in highly transparent and microporous silica xerogel monoliths. Owing to the transparency and free-standing shape of the monoliths, the transient species ...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12166
更新日期:2014-03-01 00:00:00
abstract::The kinetics of transients formed under photoexcitation of benzophenone (B) dissolved in three different polymers was studied by ns laser flash photolysis. These polymers were the soft rubbers poly (ethylene-co-butylene) (EB), polystyrene block-poly(ethylene-ran-butylene)-block-polystyrene (SEBS) and hard polystyrene ...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12170
更新日期:2014-03-01 00:00:00
abstract::Photobiologic and synthetic versatility of hydrazones has not yet been established with (1)O2 as a route to commonly encountered nitrosamines. Thus, to determine whether the "parent" reaction of formalhydrazone and (1)O2 leads to facile C=N bond cleavage and resulting nitrosamine formation, we have carried out CCSD(T)...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12199
更新日期:2014-03-01 00:00:00
abstract::Many biomolecules contain photoactive reducing agents, such as reduced nicotinamide adenine dinucleotide (NADH) and 6-thioguanine (6-TG) incorporated into DNA through drug metabolism. These reducing agents may produce reactive oxygen species under UVA irradiation or act as electron donors in various media. The interac...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12206
更新日期:2014-03-01 00:00:00
abstract::Photosensitized protein cross-linking has been recently developed to seal wounds and strengthen tissue. Although the photosensitizing dye, Rose Bengal (RB), is phototoxic to cultured cells, cytotoxicity does not accompany RB-photosensitized tissue repair in vivo. We investigated whether the environment surrounding cel...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12215
更新日期:2014-03-01 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
pub_type: 杂志文章
doi:10.1111/php.12157
更新日期:2014-01-01 00:00:00
abstract::Solar light leads to thymine dimers that are mutagenic and primary cause of skin cancer. Here, we report absorption and synchrotron radiation circular dichroism (CD) spectra of Tn single strands with different number n of bases (n = 2-7, 10, 11) recorded after various 254 nm irradiation times. From a principal compone...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12183
更新日期:2014-01-01 00:00:00
abstract::A 2-year field study on the effect of different light environments, obtained by using cladding materials (polyethylene films and shade net) able to cut off specific regions of the photosynthetically active radiation and ultraviolet wavebands, on the growth and phenylpropanoids content of Achillea collina grown in the ...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12150
更新日期:2014-01-01 00:00:00
abstract::The marine annelid Chaetopterus variopedatus produces bioluminescence by an unknown and potentially novel mechanism. We have advanced the study of this fascinating phenomenon, which has not been investigated for nearly 60 years after initial studies were first reported for this species. Here, we show that the luminous...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/php.12169
更新日期:2014-01-01 00:00:00