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::Photodynamic therapy (PDT) of cancer induces oxidative stress, which intervenes in the expression of cytokines by tumor cells. The cytokines might have either a positive or a negative impact on tumor eradication. Here, we studied the expression of cytokines vascular endothelial growth factor (VEGF) and interleukin-1al...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.01062.x
更新日期:2012-03-01 00:00:00
abstract::A novel In(3+)-doped TiO(2) and TiO(2)/In(2)S(3) nanocomposites for photocatalytic degradation of environmental pollutants and stoichiometric degradation of warfare agents were prepared by a homogeneous hydrolysis with urea and thioacetamide, respectively. The prepared samples series TiInTAA were annealed at 600°C. Th...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.01052.x
更新日期:2012-03-01 00:00:00
abstract::Sapphyrins and a series of related porphyrinoid macrocycles have been investigated as potential agents for the treatment of leishmaniasis. The effectiveness of the compounds was evaluated in vitro upon incubation with Leishmania tarentolae or L. panamensis amastigotes and promastigotes. Their effectiveness was also as...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.01034.x
更新日期:2012-01-01 00:00:00
abstract::Channelrhodopsins act as photoreceptors for control of motility behavior in flagellates and are widely used as genetically targeted tools to optically manipulate the membrane potential of specific cell populations ("optogenetics"). The first two channelrhodopsins were obtained from the model organism Chlamydomonas rei...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.01027.x
更新日期:2012-01-01 00:00:00
abstract::An alkyne-terminated anthracene and azide-terminated carbazole were joined through a copper-catalyzed cycloaddition to form a joined donor/acceptor pair. The photonic pair exhibited energy transfer when excited at the peak absorbance of carbazole and fluoresced with an anthracene spectral response. The fluorescent beh...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.01023.x
更新日期:2012-01-01 00:00:00
abstract::Photodynamic therapy (PDT) is an increasingly popular anticancer treatment that uses photosensitizer, light and tissue oxygen to generate cytotoxic reactive oxygen species (ROS) within illuminated cells. Acting to counteract ROS-mediated damage are various cellular antioxidant pathways. In this study, we combined PDT ...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.01022.x
更新日期:2012-01-01 00:00:00
abstract::Adaptability to a broad range of environments together with relatively high resistance to antibiotics and to disinfectants makes Pseudomonas aeruginosa a concern in hospitals and in public health. We investigated whether UVA-mediated photochemical inactivation of P. aeruginosa could be accomplished with high efficienc...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.01029.x
更新日期:2012-01-01 00:00:00
abstract::Polysulphone (PS) dosimetry has been a widely used technique for more than 30 years to quantify the erythemally effective UV dose received by anatomic sites (personal exposure). The calibration of PS dosimeters is an important issue as their spectral response is different from the erythemal action spectrum. It is perf...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.01006.x
更新日期:2012-01-01 00:00:00
abstract::Exploration of environmental dynamics using intrinsic biological probe tryptophan is very important; however, it suffers from various difficulties. An alternative probe, kynurenine (KN), has been found to be an efficient probe for the ultrafast dynamics in the biological environment (Goswami et al., [2010] J. Phys. Ch...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.01007.x
更新日期:2012-01-01 00:00:00
abstract::This review focuses on damage photosensitized by the fluoroquinolone (FQ) antibacterial drugs. Different models are employed to study biosubstrate photodamage mediated by FQs (organisms, cells, isolated biomolecules and super molecules). Being that the effect of environment (polarity of the medium, ions, pH, binding w...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章,评审
doi:10.1111/j.1751-1097.2011.00978.x
更新日期:2011-11-01 00:00:00
abstract::We conducted a thermovisual comparison of mean hand surface temperature changes upon local heating with two different IR sources. Sixty-six patients with rheumatoid arthritis (47 women and 19 men; average age, 56.1 ± 8.6 years) were subjected to topical heat therapy for one hand with either the standard IR radiator (S...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.00975.x
更新日期:2011-11-01 00:00:00
abstract::δ-Aminolevulinic acid (ALA)-induced porphyrin accumulation is widely used in the treatment of cancer, as photodynamic therapy. To clarify the mechanisms of the tumor-preferential accumulation of protoporphyrin, we examined the effect of the expression of heme-biosynthetic and -degradative enzymes on the ALA-induced ac...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.00950.x
更新日期:2011-09-01 00:00:00
abstract::Photodynamic therapy (PDT) oxygen consumption, clonogenic cell survival, fluorescence photobleaching and photoproduct formation were investigated during benzoporphyrin derivative monoacid (BPD-MA)-PDT of MAT-LyLu cells in vitro. Cells were incubated with BPD-MA concentrations of 0.1, 0.5 or 2.5 μg mL(-1) for 2 h and t...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.00942.x
更新日期:2011-09-01 00:00:00
abstract::The significance of human cutaneous pigmentation lies in its protective role against sun-induced DNA damage and photocarcinogenesis. Fair skin and red hair are characterized by a low eumelanin to pheomelanin ratio, and have been associated with increased risk of skin cancer. Cutaneous pigmentation is a complex genetic...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章,评审
doi:10.1111/j.1751-1097.2011.00970.x
更新日期:2011-09-01 00:00:00
abstract::Room temperature phosphorescence (RTP) of three palladium (Pd)-phorphyrins in air-saturated solution of sodium deoxycholate (NaDC) aggregates was measured. RTP of Pd-meso-tetrakis (4-carboxyphenyl) porphyrin (Pd-TCPP) was obviously enhanced in NaDC-aggregates mediated by alkaline earth metal (AEM). Under the same expe...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.00927.x
更新日期:2011-07-01 00:00:00
abstract::The blue light photoreceptor phototropin mediates crucial processes in plants leading to optimization of photosynthesis. Phototropin comprises two flavin mononucleotide-binding LOV (light-, oxygen-, or voltage-sensitive) domains. The LOV domains undergo a photocycle upon illumination, in which two intermediates have b...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.00901.x
更新日期:2011-05-01 00:00:00
abstract::We have demonstrated that it is possible to launch UVC LED light into bacterial contaminated polymer tubes/catheters and disinfect the intraluminal space of these tubes. This can be achieved by UVC treatment of the catheters on a regular basis. Catheters are in the distal end equipped with an exit hole for administrat...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2011.00887.x
更新日期:2011-03-01 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
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00880.x
更新日期:2011-03-01 00:00:00
abstract::This paper focuses on the estimation of the UV Index (UVI) for all sky conditions using a simple analytical parameterization involving three independent variables: the solar zenith angle, the total ozone column and the clearness index. Measurements of the UVI made at Badajoz and Cáceres (Southwestern Spain) from Janua...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00860.x
更新日期:2011-03-01 00:00:00
abstract::Changes in the emission fluorescence intensity of pheophorbide-a (PHEO) in the presence of carboquone (CARBOQ) were used to obtain the association constant, the number of CARBOQ molecules interacting with PHEO, and the fluorescence quantum yield of the complex. Excitation spectra of mixtures of PHEO and CARBOQ in etha...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00869.x
更新日期:2011-03-01 00:00:00
abstract::Cryptococus gattii is an emergent primary human pathogen that causes meningismus, papilledema, high intracranial pressure and focal involvement of the central nervous system in immunocompetent hosts. Prolonged antifungal therapy is the conventional treatment, but it is highly toxic, selects for resistant strains, cont...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00868.x
更新日期:2011-03-01 00:00:00
abstract::Tin oxide nanoparticles about 4 nm in size were successfully synthesized using hydrothermal method. The photocatalytic activity of the particles was determined by the decolorization of malachite green (MG) and titanium yellow (TY) under UV light. 12 ppm of MG and TY were used for the solution with an initial volume of...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00863.x
更新日期:2011-03-01 00:00:00
abstract::Central venous catheters (CVC) are widely used in the United States and are associated with 250,000 to 500,000 CVC-related infections in hospitals annually. We used a catheter made from ultraviolet-C (UVC) transmissive material to test whether delivery of UVC from the lumen would allow inactivation of microorganisms o...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00819.x
更新日期:2011-01-01 00:00:00
abstract::Owing to the accessibility of skin to light, many applications of photodynamic treatment (PDT) have been developed within dermatology. The recent increase of dermatological antimicrobial PDT investigations is related to the growing problem of bacterial and fungal resistance to antibiotics. This review focuses on the s...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章,评审
doi:10.1111/j.1751-1097.2010.00848.x
更新日期:2011-01-01 00:00:00
abstract::We developed a novel method for the isolation of the PSI-LHCI-LHCII complex from spinach leaves. The supercomplex was resolved into a core complex (CPI), LHCII trimers, LHCI dimers and LHCII monomers using green gel electrophoresis. We then investigate changes in the fluorescence and absorption spectra of PSI-LHCI-LHC...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00830.x
更新日期:2011-01-01 00:00:00
abstract::The broad-band normal incidence UVB beam radiation has been measured at Neve Zohar, Dead Sea basin, using a prototype tracking instrument composed of a Model 501A UV-Biometer mounted on an Eppley Solar Tracker Model St-1. The diffuse and beam fraction of the solar global UVB radiation have been determined using the co...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00842.x
更新日期:2011-01-01 00:00:00
abstract::The process of photoinduced hydroxylaminolysis has been re-examined in different bacteriorhodopsin (BR)-based media using O-substituted hydroxylamines, in particular, O-(4-nitrobenzyl) hydroxylamine hydrochloride (NBHA), O-(2,3,4,5,6-pentafluorobenzyl) hydroxylamine hydrochloride (FBHA) and O-(t-butyl) hydroxylamine h...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00817.x
更新日期:2010-11-01 00:00:00
abstract::Vitamin A palmitate has been used in cosmetics; however, studies report that this substance shows photoreactivity that can lead to loss of safety and efficacy. On the other hand, photostabilizers have been used to increase sunscreen photostability and consequently their safety and effectiveness. Thus, this study aimed...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00806.x
更新日期:2010-11-01 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
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00788.x
更新日期:2010-11-01 00:00:00
abstract::Quantum yields of firefly bioluminescence reactions were determined for beetle luciferases from the three main families of luminous beetles emitting different bioluminescence colors. Quantum yield (QY) was significantly correlated with luminescence spectrum. The green light-emitting luciferase of the Brazilian click b...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00777.x
更新日期:2010-09-01 00:00:00
abstract::In this study, water-soaked seeds of sunflower were exposed to He-Ne laser irradiation of different energies to determine whether or not He-Ne laser irradiation caused changes to seed thermodynamic and germination parameters as well as effects on the activities of germination enzymes. The experiment comprised four ene...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00782.x
更新日期:2010-09-01 00:00:00
abstract::Haloarcula marismortui has been described to be nonmotile prior to the recent identification of flagellar filaments, suggesting the motile nature of H. marismortui. Here we observed the locomotion of freshly cultured H. marismortui cells and tracked the swimming trajectories via ImageJ. Trajectories of H. marismortui ...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00768.x
更新日期:2010-09-01 00:00:00
abstract::Paracoccidioidomycosis is the most prevalent human mycosis in Latin America. Cutaneous lesions are extremely painful and sensitive, and current treatment with antifungal drugs is lengthy and may cause side effects to patients. In this perspective, the helium-neon (HeNe) laser emerges as a novel therapy form due to its...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00734.x
更新日期:2010-07-01 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
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00727.x
更新日期:2010-07-01 00:00:00
abstract::In this paper, we propose a new physical method in combination with mixed solution of thiazone and polyethylene glycol 400 (thiazone PEG 400 solution) penetration into tissue to assess the skin optical clearing. Four treatments were performed: (1) control group (C); (2) polyethylene glycol 400 (PEG400); (3) 0.25% thia...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2010.00710.x
更新日期:2010-05-01 00:00:00
abstract::Plants protect themselves against excessive light by the induction of Delta pH-dependent nonphotochemical quenching (qE) that is associated with de-epoxidation of violaxanthin (V) to zeaxanthin (Z) in thylakoid membranes. In this work, we report that low light (12 micromol photons m(-2) s(-1)) is sufficient for a mark...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2009.00699.x
更新日期:2010-05-01 00:00:00
abstract::We report the preparation of aminopropyl-functionalized magnesium phyllosilicate (Mg-organoclay) conjugated to fluorescein isothiocyanate (FITC) functionality (FITC-organoclay) by one-pot sol-gel synthesis. The physical characteristics of the Mg- and FITC-organoclays were examined by scanning electron microscopy (SEM)...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2009.00701.x
更新日期:2010-05-01 00:00:00
abstract::We report the spectroscopic properties of fluorescein, x-rhodamine, tetramethyl-rhodamine, attached to single strand, duplex DNA, and to the digestion products by DNAse I. The properties reported include: molar absorptivity, quantum yield, absorbance and fluorescence spectra, fluorescence lifetime, intrinsic lifetime ...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2009.00663.x
更新日期:2010-03-01 00:00:00
abstract::Generating accurate population-specific public health messages regarding sun protection requires knowledge about seasonal variation in sun exposure in different environments. To address this issue for a subtropical area of Australia, we used polysulphone badges to measure UVR for the township of Nambour (26 degrees la...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2009.00686.x
更新日期:2010-03-01 00:00:00
abstract::In horticultural crops, the use of screens to protect plants is the usual strategy in the Mediterranean area. Screen manufacturers offer a range of netting that vary in their UV-absorbing properties. We compared the photoeffects of seven different screens. Sweet pepper trials were conducted at the Gilat Research Cente...
journal_title:Photochemistry and photobiology
pub_type: 杂志文章
doi:10.1111/j.1751-1097.2009.00657.x
更新日期:2010-03-01 00:00:00