Ultraviolet Light
Effectiveness of Nivea Sunscreen under Ultraviolet Light
... Sunscreen has commonly been used to prevent ultraviolet radiation from damaging our skin. A variety of ingredients which absorb ultraviolet light, such as titanium dioxide or zinc oxide, are used. On ...
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Coinstruction of ultraviolet-light chamber for monolithic stationary phases photo-polymerization.
... COINSTRUCTION OF ULTRAVIOLET-LIGHT CHAMBER FOR MONOLITHIC STATIONARY PHASES PHOTO- POLYMERIZATION. The assembly of a photochemical reactor with six fluorescent lamps, used for photopolymerizations is ...
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Effects of use of riboflavin and ultraviolet light for pathogen inactivation on quality of platelet concentrates
... Koncen- trati trombocita mogu se dobiti separacijom iz jedinica cele krvi dobrovoljnih davalaca ili primenom separatora krvnih.. ć elija.[r] ...
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Efficient photochemical generation of peroxycarboxylic nitric anhydrides with ultraviolet light emitting diodes
... source was operated with DIEK to generate PPN is shown in Fig. 3a. Superimposed as red circles are the PPN peak areas observed by the HP PAN-GC. The black trace shows the delivered amount of NO, calculated using the gas ...
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SURVIVAL AND MUTANT PRODUCTION INDUCED BY MUTAGENIC AGENTS IN Metarhizium anisopliae
... Gamma radiation showed to be the most efficient mutagenic agent giving 0.2% of auxotrophk mutants followed by ultraviolet light (0.12%) and nitrous acid (0.06%).The conidial colour and a[r] ...
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Photodecomposition by ultraviolet exposure of positive photoresists.
... BY ULTRAVIOLET EXPOSURE OF POSITIVE ...to ultraviolet light the electron stimulated ion desorption technique coupled to time-of-flight mass spectrometry was employed in the study of the AZ-1518 ...
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ANTIMUTAGENIC ACTION OF LENTINULA EDODES AND AGARICUS BLAZEI ON ASPERGILLUS NIDULANS CONIDIA
... The antimutagenic effect of the mushrooms Lentinula edodes and Agaricus blazei was studied on conidia of Aspergillus nidulans when exposed to short wave ultraviolet light. Two strains of A. nidulans were ...
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Arq. NeuroPsiquiatr. vol.37 número1
... The intracytoplasmic granules in these less distended cells were slightly yellowish, displayed a greenish autofluorescence under ultraviolet light (Fig. 3) and stained with PAS and Su[r] ...
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Construction of a low-cost ultraviolet-viewing cabinet with lamp.
... LOW-COST ULTRAVIOLET-VIEWING CABINET WITH LAMP: Thin layer chromatography is a quick, inexpensive and effective way of screening mixtures of non-volatile organic compounds and it is highly recommended for ...
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Near-infrared 808 nm light boosts complex IV-dependent respiration and rescues a Parkinson-related pink1 model.
... frontal light distributor to simulta- neously irradiate groups of control (pink1 RV ) and pink1 B9 null mutant animals (Figure 1A) using different conditions and tested for their ability to fly at different time ...
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Changes in phenotypic variability of two tropical woody species due to short and long-term exposure to different irradiances
... comparing light availability conditions (full-light and half-light), leaf surface (abaxial and adaxial) and species ...different light conditions, since the leaves are very ...
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Biometrical and morphological analyses of Macrobrachium olfersii (Wiegmann, 1836) (Crustacea, Decapoda, Palaemonidae) embryos exposed to UVA and UVB radiation
... Macrobrachium olfersii (Wiegmann, 1836) is a prawn that lives in shallow and transparent freshwater in Southern Brazil. Aquatic organisms that inhabit these systems can be exposed to incident UV radiation. Many studies ...
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Ultraviolet absorption cross sections of carbonyl sulfide isotopologues OC<sup>32</sup>S, OC<sup>33</sup>S, OC<sup>34</sup>S and O<sup>13</sup>CS: isotopic fractionation in photolysis and atmospheric implications
... Abstract. We report measurements of the ultraviolet ab- sorption cross sections of OC 32 S, OC 33 S, OC 34 S and O 13 CS from 195 to 260 nm. The OCS isotopologues were syn- thesized from isotopically-enriched ...
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Photophysics and photochemistry of horseradish peroxidase A2 upon ultraviolet illumination
... content loss. Prolonged UV illumination and heme irradiation at 403 nm has a pronounced effect on the fluorescence quantum yield correlated with changes in the prosthetic group pocket, leading to a pronounced decrease in ...
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J. Braz. Chem. Soc. vol.26 número7
... and ultraviolet (UV) spectroscopies were developed for the simultaneous determination of two veterinary pharmaceutical drugs, pyrantel pamoate and praziquantel, in commercial ...
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On the application of spatially resolved reflectance and diffuse light backscattering goniometry to the prediction of firmness in apple ‘bravo de esmolfe’
... of light propagation, absorption and scattering in random ...of light in a complex media is described by the specific intensity I(r, ) [units: Wm -2 sr -1 Hz -1 ], ...
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Couples in phoretic copulation, a tool for male-female association in highly dimorphic insects of the wasp genus Dissomphalus Ashmead (Hymenoptera: Bethylidae)
... Body light castaneous, head and antenna light castaneous, clypeus and palpi paler, eye black, mesonotum, metanotum and leg light castaneous, petiole dark ...
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Improved light and temperature responses for light use efficiency based GPP models
... to VPD (but not to temperature) of half hourly photosynthesis at the Cherskii site as noted by (Merbold et al., 2009). In the case of the LUE-TAL model, the light scalar allows the temperature scalar to increase, ...
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Antimicrobial photodynamic action on dentin using a light-emitting diode light source
... the light dose needed to achieve different levels of SF ...the light dose and drug concen- tration required to produce a SF ...and light dose to kill 90%, 95%, or 99% of the microorganisms, ...
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Rev. odonto ciênc. vol.26 número4
... and light-curing units has brought beneits to the various dentistry ...and light-curing units with high intensity light, such as the PAC with over 1000 mW/cm², have been ...PAC light may bring ...
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