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https://www.readbyqxmd.com/read/28710659/comparison-of-the-effect-of-skin-preparation-pads-on-transepidermal-water-loss-in-ex-vivo-human-skin
#1
Hanan Osman-Ponchet, Alexandre Gaborit, Magali Kouidhi, Sandrine Anglars, Jeanne Marceau-Suissa, Orla Duffy-Roger, Jean-Michel Linget, Claire E Wilson
INTRODUCTION: Pre-treatment of the skin to remove scales and crusts prior to photodynamic therapy (PDT) is essential to enhance the uptake of topically applied methyl aminolevulinate (MAL) and to improve treatment efficacy. This study compared the effect of two different skin preparation pads on skin integrity in ex vivo human skin. METHODS: Ex vivo human skin samples from three donors were pre-treated in triplicates with PREPSTER™ (PR) skin preparation pad (6, 8, and 10 passages) or Ambu Unilect™ (A-UN) skin preparation pad (6, 8, and 10 passages)...
July 14, 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/28696363/candle-soot-coating-for-latent-fingermark-enhancement-on-various-surfaces
#2
Qianhui Wei, Yu Zhu, Shouliang Liu, Yongjie Gao, Xiaolong Li, Mi Shi, Xueji Zhang, Meiqin Zhang
We demonstrate a facile method termed candle soot coating (CSC) for fast developing latent fingermarks (LFMs) on various kinds of surfaces (glass, ceramic, metal, paper and adhesive tape). The CSC method can be considered as simple, fast, and low-cost as well as providing high contrast for LFM visualization in potential forensic applications.
July 11, 2017: Sensors
https://www.readbyqxmd.com/read/28693956/mechanistic-insights-of-the-enhancement-effect-of-sorbitan-monooleate-on-olanzapine-transdermal-patch-both-in-release-and-percutaneous-absorption-processes
#3
Ning Li, Peng Quan, XiaoCao Wan, Chao Liu, Xiaochang Liu, Liang Fang
In this paper, based on the optimized formulation of olanzapine (OLN) transdermal patch, the role of sorbitan monooleate (SP) in OLN release and percutaneous absorption processes was probed in vitro and in vivo. Rheological test, DSC, FT-IR and molecular modeling were conducted to elucidate the effect of SP on the release process of OLN from transdermal patch. Additionally, the action of SP on the percutaneous absorption process was probed using tape stripping transdermal experiment, confocal laser scanning microscopy (CLSM), ATR-FTIR and molecular docking...
July 8, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28691240/superdurable-coating-fabricated-from-a-double-sided-tape-with-long-term-zero-bacterial-adhesion
#4
Wei Wang, Yang Lu, Hui Zhu, Zhiqiang Cao
There is no coating technology currently available to prevent the notorious biofilm formation issue. Here, a potential solution to fully address this tough issue is reported by developing a super-antifouling coating. The use of zwitterionic hydrogel (a double-sided tape) and commercial superglue is combined and a durable and ultrarobust antifouling zwitterionic (DURA-Z) coating is created that can be easily and universally applied on common substrates. Commercial superglue mostly for binding hydrophobic materials is used to strongly immobilize the superhydrophilic DURA-Z coating through interpenetration...
July 10, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28661985/a-novel-approach-to-sealing-the-denuded-dermis-of-the-abdominal-wall-with-a-negative-pressure-wound-device-after-a-decompressive-laparotomy
#5
John Davis, Daniel M Caruso, Kevin N Foster, Marc R Matthews
The open abdomen is a well-known technique that is applied in a wide variety of clinical situations, including treatment of abdominal compartment syndrome, damage control laparotomy, and severe intraabdominal sepsis. Disease states such as Stevens-Johnson Syndrome/Toxic Epidermal Necrolysis or extensive deep partial and/or full-thickness torso burns involving the abdomen often result in a complete epidermal and partial dermal loss. When ABThera Open Abdomen Negative Pressure Wound Therapy is attempted in these patients, the exposed subcutaneous tissue rarely allows for an adequate seal between the adhesive barrier and the denuded skin...
June 28, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28660973/exfoliation-of-two-dimensional-polymer-single-crystals-into-thin-sheets-and-investigations-of-their-surface-structure-by-high-resolution-atomic-force-microscopy
#6
Hannes Beyer, Max J Kory, Gregor Hofer, Andreas Stemmer, A Dieter Schlüter
The acid-assisted wet-chemical and the adhesive-tape induced micromechanical exfoliation of differently sized single crystals of a 2D polymer (approx. 20 μm and 100 μm) is shown to result in thin sheet stacks. Tuning of the thickness is achieved via duration and frequency of the exfoliation, respectively. A color code is established that correlates interference colors of sheet stacks on SiO2(300 nm)/Si as observed under an optical microscope with their thicknesses measured by atomic force microscopy. This facilitates reliable monitoring of the exfoliation and quick identification of sheet stacks of a desired thickness...
July 13, 2017: Nanoscale
https://www.readbyqxmd.com/read/28584362/facial-skin-injury-caused-by-acrylate-based-adhesive-tapes-in-a-post-menopausal-patient-a-preventable-cause
#7
Gaurav Sindwani, Aditi Suri, Ruchi Verma
No abstract text is available yet for this article.
May 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28537617/buoyancy-increase-and-drag-reduction-through-a-simple-superhydrophobic-coating
#8
Gi Byoung Hwang, Adnan Patir, Kristopher Page, Yao Lu, Elaine Allan, Ivan P Parkin
A superhydrophobic paint was fabricated using 1H,1H,2H,2H-perfluorooctyltriethoxysilane (PFOTES), TiO2 nanoparticles and ethanol. The paint has potential for aquatic application of a superhydrophobic coating as it induces increased buoyancy and drag reduction. Buoyance testing showed that the reduction of surface energy by superhydrophobic coating made it feasible that glass, a high density material, was supported by the surface tension of water. In a miniature boat sailing test, it was shown that the low energy surface treatment decreased the adhesion of water molecules to the surface of the boat resulting in a reduction of the drag force...
June 8, 2017: Nanoscale
https://www.readbyqxmd.com/read/28533633/photolithography-free-laser-patterned-hf-acid-resistant-chromium-polyimide-mask-for-rapid-fabrication-of-microfluidic-systems-in-glass
#9
Konstantin O Zamuruyev, Yuriy Zrodnikov, Cristina E Davis
Excellent chemical and physical properties of glass, over a range of operating conditions, make it a preferred material for chemical detection systems in analytical chemistry, biology, and the environmental sciences. However, it is often compromised with SU8, PDMS, or Parylene materials due to the sophisticated mask preparation requirements for wet etching of glass. Here, we report our efforts toward developing a photolithography-free laser-patterned hydrofluoric acid-resistant chromium-polyimide tape mask for rapid prototyping of microfluidic systems in glass...
January 2017: Journal of Micromechanics and Microengineering: Structures, Devices, and Systems
https://www.readbyqxmd.com/read/28527732/descriptive-study-of-the-frequency-of-medical-adhesive-related-skin-injuries-in-a-vascular-clinic
#10
Catherine R Ratliff
A medical adhesive can be defined as a product used to secure a device (ie, tape, dressing, catheter, electrode, and ostomy pouch) to the skin. Skin injury related to medical adhesive usage occurs across all care settings with medical adhesive-related skin injuries (MARSIs) playing a significant role with patient safety. The purpose of this descriptive prospective study was to assess all adult patients with wounds seen in the vascular clinic for MARSI by the CWOCN NP over a 3-month time period. One hundred twenty patients comprising a total of 207 visits were seen by the CWOCN NP over the 3-month time frame...
June 2017: Journal of Vascular Nursing: Official Publication of the Society for Peripheral Vascular Nursing
https://www.readbyqxmd.com/read/28525773/acetone-facilitated-dna-sampling-from-electrical-tapes-improves-dna-recovery-and-enables-latent-fingerprints-development
#11
Ilan Feine, Moshe Shpitzen, Boris Geller, Eran Salmon, Tsach Peleg, Jonathan Roth, Ron Gafny
Electrical tapes (ETs) are a common component of improvised explosive devices (IEDs) used by terrorists or criminal organizations and represent a valuable forensic resource for DNA and latent fingerprints recovery. However, DNA recovery rates are typically low and usually below the minimal amount required for amplification. In addition, most DNA extraction methods are destructive and do not allow further latent fingerprints development. In the present study a cell culture based touch DNA model was used to demonstrate a two-step acetone-water DNA recovery protocol from ETs...
May 8, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28508286/sample-preparation-of-corn-seed-tissue-to-prevent-analyte-relocations-for-mass-spectrometry-imaging
#12
Shin Hye Kim, Jeongkwon Kim, Young Jin Lee, Tae Geol Lee, Sohee Yoon
Corn seed tissue sections were prepared by the tape support method using an adhesive tape, and mass spectrometry imaging (MSI) was performed. The effect of heat generated during sample preparation was investigated by time-of-flight secondary mass spectrometry (TOF-SIMS) imaging of corn seed tissue prepared by the tape support and the thaw-mounted methods. Unlike thaw-mounted sample preparation, the tape support method does not cause imaging distortion because of the absence of heat, which can cause migration of the analytes on the sample...
August 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28501746/a-label-free-nanostructured-plasmonic-biosensor-based-on-blu-ray-discs-with-integrated-microfluidics-for-sensitive-biodetection
#13
Gerardo A López-Muñoz, M-Carmen Estevez, E Cristina Peláez-Gutierrez, Antoni Homs-Corbera, M Carmen García-Hernandez, J Ignacio Imbaud, Laura M Lechuga
Nanostructure-based plasmonic biosensors have quickly positioned themselves as interesting candidates for the design of portable optical biosensor platforms considering the potential benefits they can offer in integration, miniaturization, multiplexing, and real-time label-free detection. We have developed a simple integrated nanoplasmonic sensor taking advantage of the periodic nanostructured array of commercial Blu-ray discs. Sensors with two gold film thicknesses (50 and 100nm) were fabricated and optically characterized by varying the oblique-angle of the incident light in optical reflectance measurements...
May 10, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28454628/accessible-biometrics-a-frustrated-total-internal-reflection-approach-to-imaging-fingerprints
#14
Nathan D Smith, James S Sharp
Fingerprints are widely used as a means of identifying persons of interest because of the highly individual nature of the spatial distribution and types of features (or minuta) found on the surface of a finger. This individuality has led to their wide application in the comparison of fingerprints found at crime scenes with those taken from known offenders and suspects in custody. However, despite recent advances in machine vision technology and image processing techniques, fingerprint evidence is still widely being collected using outdated practices involving ink and paper - a process that can be both time consuming and expensive...
May 2017: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/28452830/first-aid-treatment-for-friction-blisters-walking-into-the-right-direction
#15
Lando Janssen, Neeltje A E Allard, Dominique S M Ten Haaf, Cees P P van Romburgh, Thijs M H Eijsvogels, Maria T E Hopman
OBJECTIVE: Blisters are common foot injuries during and after prolonged walking. However, the best treatment remains unclear. The aim of the study was to compare the effect of 2 different friction blister treatment regimens, wide area fixation dressing versus adhesive tape. DESIGN: A prospective observational cohort study. SETTING: The 2015 Nijmegen Four Days Marches in the Netherlands. PARTICIPANTS: A total of 2907 participants (45 ± 16 years, 52% men) were included and received 4131 blister treatments...
April 27, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28451818/a-mass-spectrometry-based-forensic-toolbox-for-imaging-and-detecting-biological-fluid-evidence-in-finger-marks-and-fingernail-scrapings
#16
Sathisha Kamanna, Julianne Henry, Nicolas H Voelcker, Adrian Linacre, K Paul Kirkbride
During a crime, biological material such as blood or vaginal fluid may become smeared on the fingers of the victim or suspect or trapped under their fingernails. The type of trapped fluid is extremely valuable forensic information. Furthermore, if either person touches an object at the crime scene with their 'contaminated' finger then a 'contaminated' finger mark may be deposited. Such marks have great value as they could identify not only who deposited the mark but also who they touched and which part of the body they touched...
April 27, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28444940/h-reflex-and-m-wave-recordings-effect-of-pressure-application-to-the-stimulation-electrode-on-the-assessment-of-evoked-potentials-and-subject-s-discomfort
#17
Thomas Cattagni, Angèle N Merlet, Christophe Cornu, Marc Jubeau
This study aimed to compare the effect of different types of pressure applied to the stimulation electrode on assessing the efficiency of Ia-α-motoneuron transmission of the soleus muscle and the associated discomfort using electrical nerve stimulation. Twelve healthy young adults participated in three experimental sessions (one for each knee angle). The amplitudes of the maximal Hoffmann reflex (Hmax ) and motor potential (Mmax ) were recorded from the soleus muscle at 0°, 30° and 90° knee angles (0° full extension) through three pressure applications to the stimulation electrode: no pressure, pressure with manual application and pressure using adhesive tape...
April 26, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28444618/rna-dna-co-analysis-on-aged-bloodstains-from-adhesive-tapes-used-for-gunshot-residue-collection-from-hands
#18
Melanie Grabmüller, Christian Schyma, Burkhard Madea, Tim Eichhorst, Cornelius Courts
In cases of firearm related fatalities a systematic investigation at the scene of death is indispensable to differentiate between self-inflicted and homicidal gunshot injuries. A common method to preserve gunshot residues (GSR) is their collection using adhesive tapes. However, the biological material gathered at the same time by the tapes would be of special interest if backspatter, ejected from the entrance wound against the direction of fire, could be detected. In the present study we examined the success rate of co-analysis of RNA and DNA recovered from biological traces sampled with adhesive tapes...
June 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28411333/technological-device-for-manufacturing-transdermal-films-possible-applications-to-the-individualized-treatment-for-erectile-dysfunction
#19
Francisco José Raposo, Hudson Caetano Polonini, Anderson Ferreira, Nádia Rezende Barbosa Raposo, Marcos Antônio Fernandes Brandão
Pharmacological advances in erectile dysfunction (ED) treatment have aroused growing interest among health professionals towards sexual dysfunction, generating an increasing demand for dosage forms and drug delivery systems, including tadalafil. This study aimed to develop a device to generate patches that would enable drug dosage individualization and transdermal administration. To create such a mechanical device, technical drawings were made using the CAD software. A functional prototype was built, and a pharmaceutical formulation containing tadalafil (10 mg cm(-2)) was prepared...
April 14, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28389713/skin-permeation-and-antioxidant-efficacy-of-topically-applied-resveratrol
#20
Cristina Alonso, M Martí, C Barba, V Carrer, L Rubio, L Coderch
The permeation of resveratrol was assessed by in vitro and in vivo experiments 24 h after topical administration. The in vitro profile of resveratrol was assessed by Raman spectroscopy. Human skin permeation was analysed in vivo by the tape stripping method with the progressive removal of the stratum corneum layers using adhesive tape strips. Moreover, the free radical scavenging activity of resveratrol after its topical application was determined using the DPPH assay. The Raman spectra indicated that the topically applied resveratrol penetrates deep into the skin...
August 2017: Archives of Dermatological Research
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