violet 405-nm light
Lethal effects of high intensity violet 405-nm light on saccharomyces cerevisiae, candida albicans and on dormant and germinating spores of aspergillus niger
... 405 nm light exposure of fungal suspensions was then 179 performed in the anaerobic cabinet with the applied doses used being selected based 180 on the lethal dose required to achieve in[r] ...
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Universal decontamination of hospital surfaces in an occupied inpatient room with a continuous 405 nm light source
... ceiling-mounted light-based continuous decontamination system. It emits a blue-violet (405 nm) light, with white LEDs incorporated to produce a soft pale violet light in ...
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Clinical validation and assessment of a modular fluorescent imaging system and algorithm for rapid detection and quantification of dental plaque
... utilizing 405 nm emitters for porphyrin stimulation and a 530 nm cut-on filter to remove incident violet and ...White light interchangeable heads for visible light comparison ...
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Review of the comparative susceptibility of microbial species to photoinactivation using 380-480 nm violet-blue light
... visible light inactivation of microorganisms and that violet-blue light wave- lengths possess the potential for antimicrobial ...of violet-blue 405 nm ...to 405 nm ...
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Differential sensitivity of osteoblasts and bacterial pathogens to 405-nm light highlighting potential for decontamination applications in orthopedic surgery
... to violet-blue light inactivation can be increased when exogenous δ-aminolevulinic acid (ALA), the precursor of the porphyrin biosynthesis path- way, is added in order to amplify the levels of endogenous ...
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A new proof-of-concept in bacterial reduction : antimicrobial action of violet-blue light (405 nm) in ex vivo stored plasma
... ultraviolet light, which affects product quality and can be associated with adverse events in ...recipients. 405 nm violet-blue light is antibacterial without the use of ...
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Gomez_2016_photo.pdf
... The violet-blue light of the QLF device, which when focused on the surface of the tooth causes the tooth to autofluoresce, presenting a green color, however, if there is bacterial accumulation associated ...
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Comparative sensitivity of Trichophyton and Aspergillus conidia to inactivation by violet-blue light exposure
... Methods: The sensitivity of the dermatophytic fungi Trichophyton rubrum and 29 Trichophyton mentagrophytes to 405 nm violet-blue light exposure was investigated, and the 30 results compa[r] ...
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New proof-of-concept in viral inactivation : virucidal efficacy of 405 nm light against feline calicivirus as a model for norovirus decontamination
... that 405 nm violet-blue light has germicidal activity against a range of bacteria and fungi (Guffey and Wilborn 2006; Enwemeka et ...of 405 nm light on the bacte- ...
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The effects of 405 nm light on bacterial membrane integrity determined by salt and bile tolerance assays, leakage of UV absorbing material and SYTOX green labelling
... of 405 nm light has been accredited to the photoexcitation of intracellular photosensitive porphyrin molecules, which subsequently results in the production of reactive oxygen species (ROS), which ...
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Inactivation of Campylobacter jejuni by exposure to high-intensity 405-nm visible light
... of violet/blue light on this ...high-intensity 405-nm light on ...High-intensity 405-nm light generated from an array of 405-nm light-emitting ...
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PHYSICO CHEMICAL AND HPTLC STUDIES OF ROSA DAMASCENA MILL
... Physico-chemical studies like total ash, acid insoluble ash, alcohol and water solubility and loss on drying at 105 ºC methods were carried out as per the WHO guidelines. [12] Preliminary phytochemical tests were done as ...
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Visual reaction effects induced and stimulated by different lights on phototactic bio-behaviors in Locusta migratoria manilensis
... monochromatic light with a set illumination, 640 individual locusts were divided into eight groups (80 in each), and each test combination of light wavelength and spectral illumination used one ...LED ...
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Photodynamic killing of cancer cells by a Platinum(II) complex with cyclometallating ligand
... to light as described above. The control reactions without exposure to light for DMSO and ...no light conditions and light condi- tions at each dosage was ...
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Growth and Fabrication of GaN/InGaN Violet Light Emitting Diode on Patterned Sapphire Substrate
... The photoluminescence (PL) measurement of the LED structure on both SSP and PSS were carried out and their PL emission patterns are shown in Figure 2. The peak wavelengths of SSP and PSS epitaxial LED structures were ...
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405 nm light exposure of osteoblasts and inactivation of bacterial isolates from arthroplasty patients : potential for new disinfection applications?
... the light into tissues, suggest that 405 nm HINS-light at this exposure level could potentially be used for directed environmental disinfection in orthopaedic operating ...
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High Sensitivity Ozone Sensing Using 280 nm Deep Ultraviolet Light Emitting Diode for Detection of Natural Hazard Ozone
... tried to measure ozone using a galvanic technique [5]. These devices have the advantages of being compact and very cheap, but their lifetime is less than one year and their accuracy is very low at ±50%. Ozone sensing ...
5
Enhanced inactivation of Escherichia coli and Listeria monocytogenes by exposure to 405 nm light under sub-lethal temperature, salt and acid stress conditions
... significant light attenuation occurred through the bacterial test volumes (Maclean et ...that light exposure conditions in test wells were ...of 405 nm light, with dose calculated as ...
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Nanoscale patterning of metal nanoparticle distribution in glasses
... 100 nm below the surface ...the violet laser wavelength which corresponds to the SPR of silver nanoparticles in GMN strips that survived under the stamp ...600 nm and decreases with the strip width ...
5
Generation of periodic surface structures on silica fibre surfaces using 405 nm CW diode lasers
... EDX analyses on several different samples from the proximal and distal end have repeatedly shown no variation in the elemental concentrations between the core and its structure, and the area around it. The aggregated ...
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