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Skin Research and Technology

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https://read.qxmd.com/read/30767275/instrumental-and-sensory-methodologies-to-characterize-the-residual-film-of-topical-products-applied-to-skin
#1
Géraldine Savary, Laura Gilbert, Michel Grisel, Céline Picard
BACKGROUND: The work is aimed at the development of a methodology to characterize the tactile properties of topical products during application. Specific attention was paid to the study of the residual properties left at the surface of the skin. This approach was interestingly used to better understand the formulation factors governing the skinfeel of topical preparations. MATERIALS AND METHODS: Cosmetic and pharmaceutical topical products were selected based on their various texture, galenic form (gel or emulsion), and composition (polymer used as texturing agent)...
February 15, 2019: Skin Research and Technology
https://read.qxmd.com/read/30767271/age-estimation-based-on-visual-parameters-of-the-skin-of-cadavers
#2
Hajime Tsuboi, Isao Yokota, Daisuke Miyamori, Yoshihisa Akasaka, Ayumu Yamada, Hiroshi Ikegaya
BACKGROUND: Previous studies have reported relationships between various visual parameters of the skin and changes due to aging. Due to an increase in the discovery of unidentified bodies, the field of forensic medicine anticipates the development of a rapid method for estimating age. The present study measured various visual parameters of the skin in human remains and investigated the correlation between these parameters and age. MATERIALS AND METHODS: Skin images were taken of four body parts (cheek, chin, brachium, and thigh) of 414 forensic cases...
February 15, 2019: Skin Research and Technology
https://read.qxmd.com/read/30762255/late-fusion-of-deep-and-shallow-features-to-improve-discrimination-of-actinic-keratosis-from-normal-skin-using-clinical-photography
#3
Panagiota Spyridonos, Georgios Gaitanis, Aristidis Likas, Ioannis D Bassukas
BACKGROUND: Actinic keratosis (AK) is a common premalignant skin lesion that can potentially progress to squamous cell carcinoma. Appropriate long-term management of AK requires close patient monitoring in addition to therapeutic interventions. Computer-aided diagnostic systems based on clinical photography might evolve in the future into valuable adjuncts to AK patient management. The present study proposes a late fusion approach of color-texture features (shallow features) and deep features extracted from pre-trained convolutional neural networks (CNN) to boost AK detection accuracy on clinical photographs...
February 14, 2019: Skin Research and Technology
https://read.qxmd.com/read/30762249/evaluation-of-human-electroencephalogram-change-for-sensory-effects-of-fragrance
#4
Keun Hyung Park, Hyun Joo Kim, Bobae Oh, Minji Seo, Eunyoung Lee, Jaehyoun Ha
BACKGROUND: The stabilizing effect of lavender and the arousal effect of peppermint essential oils are acknowledged and used widely in aromatherapy and the cosmetics industry. However, no evaluation method confirms the effects of essential oils through quantitative and objective electroencephalogram (EEG) results; instead, only a psychological and subjective method exists. Therefore, this study aims to create a new emotional cosmetic evaluation paradigm using EEG values. Moreover, it enables quantitative interpretation of the results in addition to the subjective survey outcomes...
February 14, 2019: Skin Research and Technology
https://read.qxmd.com/read/30758884/influence-of-polyester-spacer-fabric-cotton-chloroprene-rubber-and-silicone-on-microclimatic-and-morphologic-physiologic-skin-parameters-in-vivo
#5
Sora Jung, Johannes Schleusener, Fanny Knorr, Marc Kraft, Gisela Thiede, Heike Richter, Maxim E Darvin, Sabine Schanzer, Simon Gallinger, Ulrich Wegener, Jürgen Lademann
BACKGROUND: Skin diseases can develop upon disadvantageous microclimate in relation to skin contact with textiles of supporting devices. Increased temperature, moisture, mechanical fracture, pressure, and inflammatory processes often occur mutually and enhance each other in their adverse effects. Therefore, the early prevention of skin irritations by improvement of microclimatic properties of skin in contact with supporting devices is important. MATERIALS AND METHODS: In this study, the microclimate under occlusion with polyester, cotton, chloroprene rubber, and silicone textiles, used for supporting devices, was analyzed by determining several characteristic physiologic skin parameters in vivo, including temperature, moisture, and transepidermal water loss (TEWL)...
February 13, 2019: Skin Research and Technology
https://read.qxmd.com/read/30758882/evaluation-of-different-factors-influencing-objective-measurement-of-skin-color-by-colorimetry
#6
Tag S Anbar, Amira A Eid, Mohamed T Anbar
BACKGROUND: Objective determination of skin color has become an essential requirement in managing pigmentary disorders including vitiligo. The readings of available devices can be influenced by factors such as surrounding temperature, vasodilation/constriction, and skin surface properties. Our aim was to investigate the influence of hair color and length, skin stretching, incomplete contact of the device with the skin, and the pressure with which the device is applied to the test area on skin color determination...
February 13, 2019: Skin Research and Technology
https://read.qxmd.com/read/30758876/developing-a-new-device-for-continuously-recording-in-vivo-the-excretion-rate-of-sweat-perspiration-in-humans
#7
Elisa Caberlotto, Carole Guillou, Loic Colomb, Charlie Barla, Samir Salah, Marco Vicic, Frederic Revol-Cavalier, Venceslass Rat, Sabine Filipe, Frederic Flament
BACKGROUND: Some methodologies used for evaluating sweat production and antiperspirants are of a stationary aspect, that is, most often performed under warm (38°C) but resting conditions in a rather short period of time. The aim is to develop an electronic sensor apt at continuously recording sweat excretion, in vivo, during physical exercises, exposure to differently heated environments, or any other stimuli that may provoke sweat excretion. MATERIAL AND METHODS: A sensor (20 cm2 ) is wrapped under a double-layered textile pad...
February 13, 2019: Skin Research and Technology
https://read.qxmd.com/read/30758871/lipid-loses-and-barrier-function-modifications-of-the-brown-to-white-hair-transition
#8
Marc A Oliver, Meritxell Marti, Luisa Coderch, Victor Carrer, Martin Kreuzer, Clara Barba
BACKGROUND: The main objective of this study was to determine the lipid profile of brown and white Caucasian hair fibres and the effects of lipids on the properties of fibres. MATERIALS AND METHODS: To determine the structures of white and brown hair lipid bilayers, cross sections of fibres of both hair types were examined using synchrotron-based μ-FTIR mapping. Dynamic vapour sorption (DVS) analyses were also performed to determine the differences in the barrier function of both fibres...
February 13, 2019: Skin Research and Technology
https://read.qxmd.com/read/30758867/age-related-biophysical-changes-of-the-epidermal-and-dermal-skin-in-korean-women
#9
Changhui Cho, Eunbyul Cho, Nahee Kim, Juhee Shin, Sanga Woo, Eunyoung Lee, Jaesung Hwang, Jaehyoun Ha
INTRODUCTION: The clinical characteristics of skin were investigated to study the inter-relationship and changes in the biophysical properties of the epidermal and dermal layers associated with aging using noninvasive methods. METHODS: Our study included 100 healthy women aged between the early 20s and late 60s. Biophysical characteristics of skin such as color (brightness and spots), transparency, wrinkle on crow's feet, elasticity, hydration, sebum content, glossiness, and transepidermal water loss measured under controlled conditions...
February 13, 2019: Skin Research and Technology
https://read.qxmd.com/read/30758863/anthropometric-labial-analysis-of-han-chinese-young-adults
#10
Yan Wang, Shu Guo, Qiang Sun, Shi-Feng Jin, Xin Zhang, Ming Xiao, Chen-Chao Wang, Xu Sun, Meng-Zhu Lv, Ke-Zhu Li
BACKGROUND: Facial features vary in size and proportions between different races. This study aimed to measure the anthropometric variables of the labial region in Han Chinese young adults. MATERIALS AND METHODS: A total of 900 college students (475 male and 425 female) of Chinese Han ethnicity from the northern China were included. Measurements of the labial region included 14 linear items and seven proportions. RESULTS: All the linear measurements of the males were significantly higher than those of the females (all P < 0...
February 13, 2019: Skin Research and Technology
https://read.qxmd.com/read/30659657/microneedle-fractional-radiofrequency-induced-micropores-evaluated-by-in-vivo-reflectance-confocal-microscopy-optical-coherence-tomography-and-histology
#11
Frederikke S Hansen, Emily Wenande, Merete Haedersdal, Christine S K Fuchs
BACKGROUND: Microneedle fractional radiofrequency (MNRF) is a minimally invasive technique that delivers radiofrequency (RF) energy into the skin via microneedles. Reflectance confocal microscopy (RCM) and optical coherence tomography (OCT) enable the characterization of device-tissue interactions in in vivo skin. The aim of this study is to describe MNRF-induced micropores using RCM and OCT imaging. MATERIALS AND METHODS: Five healthy participants were treated with a 7 × 7 array of 1500 μm microneedles on two adjacent areas of the right hip...
January 19, 2019: Skin Research and Technology
https://read.qxmd.com/read/30657212/noninvasive-analysis-of-skin-proteins-in-healthy-chinese-subjects-using-an-orbitrap-fusion-tribrid-mass-spectrometer
#12
Jie Ma, Shuangjun Xu, Xiaomeng Wang, Jing Zhang, Yaochi Wang, Mengting Liu, Ling Jin, Mingshun Wu, Danfeng Qian, Xueying Li, Qi Zhen, Huimin Guo, Jinping Gao, Sen Yang, Xuejun Zhang
OBJECTIVE: The objective of this study was to perform noninvasive analysis of skin proteins in a healthy Chinese population using label-free nanoflow liquid chromatography-mass spectrometry (nLC-MS). MATERIALS AND METHODS: Five consecutive tape strippings were obtained from the volar forearm skin of healthy Chinese subjects. Proteins were extracted, and trypsin-digested peptides were analyzed by a nanochromatography instrument coupled to an Orbitrap Fusion Tribrid mass spectrometer...
January 18, 2019: Skin Research and Technology
https://read.qxmd.com/read/30657211/three-dimensional-reconstruction-of-skin-disease-using-multi-view-mobile-images
#13
Geeyun Hong, Onseok Lee
BACKGROUND/PURPOSE: In skin beauty area, interest in diagnosis and management methods for acne is increasing. However, it is difficult to diagnose protruding skin disease by two-dimensional (2D) image. Three-dimensional (3D) approach is needed. The purpose of this study was to propose a system for reconstructing 3D model (visual hull) of 2D images obtained using mobile devices. METHODS: Acne images were acquired using a 3D printing mobile image acquisition system...
January 18, 2019: Skin Research and Technology
https://read.qxmd.com/read/30657209/edge-detector-based-automatic-segmentation-of-the-skin-layers-and-application-to-moisturization-in-high-resolution-3-tesla-magnetic-resonance-imaging
#14
Julien Ognard, Jawad Mesrar, Younes Benhoumich, Laurent Misery, Valerie Burdin, Douraied Ben Salem
INTRODUCTION: Previous studies have demonstrated the feasibility to explore moisturization with quantification imaging based on T2 mapping. The aim of this study was to describe and validate the first robust automated method to segment the first layers of the skin. MATERIALS AND METHODS: Data were picked from a previous study that included 35 healthy subjects who underwent a 3T MRI (multi spin echo calculation T2-weighted sequence) with a microscopic coil on the left heel before and one hour after moisturization...
January 18, 2019: Skin Research and Technology
https://read.qxmd.com/read/30638285/an-extended-high-frequency-ultrasound-protocol-for-assessing-and-quantifying-of-inflammation-and-fibrosis-in-localized-scleroderma
#15
Irmina Ranosz-Janicka, Anna Lis-Święty, Alina Skrzypek-Salamon, Ligia Brzezińska-Wcisło
BACKGROUND: Clinical characteristics of the lesions are used to identify activity and damage in localized scleroderma (LoS). For high-frequency ultrasound (HF-US), the features of active lesions were described. MATERIALS AND METHODS: Clinical signs of activity and damage in LoS lesions were assessed with the use of Localized Scleroderma Cutaneous Assessment Tool (LoSCAT) and HF-US by two examiners independently. All US images were obtained using a 20 MHz HF-US (DermaLab System, Cortex Technology, Hadsund, Denmark)...
January 14, 2019: Skin Research and Technology
https://read.qxmd.com/read/30632214/identification-of-a-closed-cutaneous-injury-after-mechanical-trauma-caused-by-collision
#16
Moon Young Park, Jun Suk Choi, Kyung Sook Kim, Sungsoo Rhim, Hyung Jin Park, Min Kyung Shin
PURPOSE: Robotics has evolved rapidly in terms of mechanical design and control in the past few years. Collaborative robots that have direct contact with humans are being introduced in various fields, including industrial and medical services. Because collaborative robot systems are being introduced rapidly, the safety of the humans who work with them is becoming an important issue. In this study, we investigated skin injuries resulting from a collision between robots and humans using a freefall experiment system...
January 11, 2019: Skin Research and Technology
https://read.qxmd.com/read/30628726/mapping-the-face-of-young-population-in-china-influence-of-anatomical-sites-and-gender-on-biophysical-properties-of-facial-skin
#17
Yanqing Song, Yao Pan, Huan Wang, Qi Liu, Hua Zhao
BACKGROUND: Facial skin exhibits unique biophysical properties, which are influenced by anatomical regions and genders. The aim of this study was to comprehensively assess the regional and gender differences in facial skin biophysical parameters among Chinese population. MATERIALS AND METHODS: The 12 skin biophysical parameters at four distinct facial skin sites (forehead, cheek, canthus and chin) were measured in a normal population (n = 212) with 42 males and 141 females aged 18-29 years living in Beijing...
January 10, 2019: Skin Research and Technology
https://read.qxmd.com/read/30624813/accurate-depth-estimation-of-skin-surface-using-a-light-field-camera-toward-dynamic-haptic-palpation
#18
Myeongseob Ko, Donghyun Kim, Kwangtaek Kim
BACKGROUND: Haptic skin palpation with three-dimensional skin surface reconstruction from in vivo skin images in order to acquire both tactile and visual information has been receiving much attention. However, the depth estimation of skin surface, using a light field camera that creates multiple images with a micro-lens array, is a difficult problem due to low-resolution images resulting in erroneous disparity matching. METHODS: Multiple low-resolution images decoded from a light field camera have limitations to accurate 3D surface reconstruction needed for haptic palpation...
January 9, 2019: Skin Research and Technology
https://read.qxmd.com/read/30624007/reflectance-confocal-microscopy-in-darier-disease-a-case-series-with-dermoscopic-and-histologic-correlation
#19
LETTER
André Oliveira, Virginia Coelho de Sousa, Rita Pimenta, Paulo Leal-Filipe
No abstract text is available yet for this article.
January 9, 2019: Skin Research and Technology
https://read.qxmd.com/read/30623998/natural-latex-glycerol-dressing-to-reduce-nipple-pain-and-healing-the-skin-in-breastfeeding-women
#20
Natan Roberto de Barros, Ricardo Soares Dos Santos, Matheus Carlos Romeiro Miranda, Luis Felipe Cesar Bolognesi, Felipe Azevedo Borges, João Victor Schiavon, Rodrigo Fernando Costa Marques, Rondinelli Donizetti Herculano, Ana Maria Queiros Norberto
BACKGROUND: Nipple pain is the second most common reason for early weaning, exceeded only by the insufficient milk supply. Nipple fissures can bring other problems, acting also as a portal for bacteria and leading to mastitis. This work proposes the breast protector composite development using materials with tissue repair and moisturizing properties, aligned with a low-cost procedure, aiming not only to relieve pain, but also to heal the nipple fissures caused by breastfeeding. MATERIALS AND METHODS: For the dressings, production was used Natural Latex extracted from the rubber tree and glycerol...
January 9, 2019: Skin Research and Technology
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