The Penetration of Ultraviolet Light Through Transparent Dressings

Kinnon, Joyce L. Mac; Cleek, Patricia Jill

doi:10.1093/ptj/64.2.204

Cited by 4 publications

(4 citation statements)

References 1 publication

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“…But even when electrons may be considered as weakly interacting, fascinating phenomena may take place in the presence of a spatially modulated potential besides the external magnetic field. In the case of a random potential, one obtains the integer quantum Hall effect [3] which is characterized by a complex oneparticle spectrum of localized states and a discrete set of eigenenergies associated to extended states [4]. If the modulated potential corresponds to a periodic lattice, a subtle competition between this periodicity and the area scale imposed by the magnetic field induces remarkable features for the one-particle spectrum [5], illustrated by the well-known Hofstadter's butterfly-like pattern [6].…”

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confidence: 99%

Aharonov-Bohm Cages in Two-Dimensional Structures

1998

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We present an extreme localization mechanism induced by a magnetic field for tight-binding electrons in two-dimensional structures. This spectacular phenomenon is investigated for a large class of tilings (periodic, quasiperiodic, or random). We are led to introduce the Aharonov-Bohm cages defined as the set of sites eventually visited by a wavepacket that can, for particular values of the magnetic flux, be bounded. We finally discuss the quantum dynamics which exhibits an original pulsating behaviour.

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confidence: 99%

Aharonov-Bohm Cages in Two-Dimensional Structures

1998

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“…This indicates that complete absorption of the rays were seen below 296nm.This may be the reason for filtered UVC not having any bactericidal effect. In 1984 a study 23 reported UVR can be applied through the transparent dressing. Then in 2001 a research group16 reported UVR did not show any filtered effect, our results were consistent with reports of this group.…”

Section: Discussionmentioning

confidence: 99%

“…In recent years, increase in the multi drug resistant bacteria [13][14][15] and understanding the benefits of both LAD (cost effectiveness, transparency, reduced chances of anaerobic infection and reduced smell) and UVC on bacterial growth have increased. In an empirical study 23…”

Section: Introductionmentioning

confidence: 99%

Bactericidal Effect of Direct and Filtered Ultraviolet C Through Transparent Plastic Sheet on Gram Negative Bacilli –An in- Vitro Study

Rao¹,

Kumar

Rao

et al. 2012

Int J of Biomed & Adv Res

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Wound infection (with both Gram-positive and Gram-negative organisms) is a major problem in delayed wound healing. Persistence of these organisms in the wound delays considerably the healing time and increases length of hospital stay. Ultraviolet-C has shown to effectively eliminate these organisms (bactericidal effect) in few laboratory, animal and human studies and has shown promising role in promoting wound healing. Several wound dressing methods have been used to accelerate the rate of wound healing. Among them, Limited Access Dressing (LAD) utilizes intermittent negative pressure dressing using a transparent plastic cover combined with moist wound healing principle, minimizes need for regular change of dressing. Thus, the present study was conducted to explore the in-vitro bactericidal effect of direct and filtered UVC through transparent plastic sheet on Gramnegative bacilli.

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“…The dressing provides a waterproof barrier that protects against external contamination: mainly bacteria, viruses (diameter 27 nm or larger), but also external fluids, blood and body fluids. Tegaderm™ is available on the market in a non-sterile version (roll dressing, for self-cutting in various widths) and sterile version (with a frame that makes application easy, reduces the risk of the dressing sticking to gloves, and is available in various shapes and sizes) [67]. A series of Tegaderm™ line dressings can be kept for up to 7 days; the breathable foil allows oxygen and steam to pass through.…”

Section: Class I Skin Substitutesmentioning

confidence: 99%

Bioengineering Skin Substitutes for Wound Management—Perspectives and Challenges

Kondej,

Zawrzykraj,

Czerwiec

et al. 2024

IJMS

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Non-healing wounds and skin losses constitute significant challenges for modern medicine and pharmacology. Conventional methods of wound treatment are effective in basic healthcare; however, they are insufficient in managing chronic wound and large skin defects, so novel, alternative methods of therapy are sought. Among the potentially innovative procedures, the use of skin substitutes may be a promising therapeutic method. Skin substitutes are a heterogeneous group of materials that are used to heal and close wounds and temporarily or permanently fulfill the functions of the skin. Classification can be based on the structure or type (biological and synthetic). Simple constructs (class I) have been widely researched over the years, and can be used in burns and ulcers. More complex substitutes (class II and III) are still studied, but these may be utilized in patients with deep skin defects. In addition, 3D bioprinting is a rapidly developing method used to create advanced skin constructs and their appendages. The aforementioned therapies represent an opportunity for treating patients with diabetic foot ulcers or deep skin burns. Despite these significant developments, further clinical trials are needed to allow the use skin substitutes in the personalized treatment of chronic wounds.

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The Penetration of Ultraviolet Light Through Transparent Dressings

Cited by 4 publications

References 1 publication

Aharonov-Bohm Cages in Two-Dimensional Structures

Aharonov-Bohm Cages in Two-Dimensional Structures

Bactericidal Effect of Direct and Filtered Ultraviolet C Through Transparent Plastic Sheet on Gram Negative Bacilli –An in- Vitro Study

Bioengineering Skin Substitutes for Wound Management—Perspectives and Challenges

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