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https://read.qxmd.com/read/30770593/novel-digital-image-analysis-using-fractal-dimension-for-assessment-of-skin-radiance
#1
Morteza Haeri, Theresa Phamduy, Nina Cafone, Kubra Turkileri, Diane Velkov
BACKGROUND: Despite a strong desire to quantify skin radiance in the field of cosmetics, there does not exist a robust method to characterize it. Classical shine that quantifies the specular reflection from skin has been commonly used as the metric to characterize radiance. However, it does not always correlate with the perceived radiance as there are many other parameters that inform radiance perception including spatial distribution of shine and color homogeneity. MATERIALS AND METHODS: In this work, we propose a novel method using fractal analysis to better characterize radiance by considering the spatial heterogeneity of pixel intensities as well as color evenness...
February 16, 2019: Skin Research and Technology
https://read.qxmd.com/read/30770302/thermal-cautery-assisted-circumcision-and-principles-of-its-use-to-decrease-complication-rates
#2
O Akyüz, M N Bodakçi, A H Tefekli
INTRODUCTION: Circumcision is one of the most frequently applied surgical procedures all over the world and a number of techniques and devices have been described concerning its method. Especially in developing countries where circumcision has been performed intensively under local anaesthesia, the thermocautery device developed to perform circumcisions in a short time and safely has found a widespread application. OBJECTIVE: We aim to share our experiences concerning application principles of the thermocautery device so as to be able to achieve better cosmetic results with lower complication rates...
January 19, 2019: Journal of Pediatric Urology
https://read.qxmd.com/read/30767705/description-and-initial-experience-with-the-lift-less-incisions-but-four-trocars-technique-for-laparoscopic-cholecystectomy
#3
Joaquín-Salvelio Picazo-Yeste, Serge El-Khoury, Ali Yahya Alansi, Muhammad Asghar Malik, Ashwyn Anand Nelson, Said Islam Mallaev, Praveen Reddy
BACKGROUND: Modifications to conventional laparoscopic cholecystectomy (LC) aim to reduce trauma to the abdominal wall and improve cosmetic outcomes. Although single-incision laparoscopic surgery (SILS) provides excellent cosmetic results, the procedure is technically demanding. Herein, we describe the LIFT technique ("Less Incisions but Four Trocars"), with four trocars but only one 3-mm visible incision, using conventional instruments. METHODS: Retrospective study with the LIFT technique for cholecystectomy during 2017...
February 15, 2019: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://read.qxmd.com/read/30767275/instrumental-and-sensory-methodologies-to-characterize-the-residual-film-of-topical-products-applied-to-skin
#4
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/30766612/effect-of-propolis-preparations-on-transepithelial-electrical-potential-resistance-and-ion-transport-in-in-vitro-study
#5
Paulina Smyk, Iga Hołyńska-Iwan, Dorota Olszewska-Słonina
Background: Propolis and its ethanol extract show positive germicidal, bacteriostatic, and anti-inflammatory antioxidants and regenerative properties after use on the surface of the skin. Propolis is in common use in production of cosmetics and in folk medicine. The influence of this resinous mixture on ion channels, channels located in skin cells membranes and skin electrical resistance, was not explained. Objective: The main aim of the study was the evaluation of electrophysiological skin parameters during mechanical and chemical-mechanical stimulation after use of ethanol extract of propolis and propolis ointment in comparison with iso-osmotic Ringer solution...
2019: Evidence-based Complementary and Alternative Medicine: ECAM
https://read.qxmd.com/read/30765462/anaphylaxis-to-carboxymethylcellulose-add-food-additives-to-the-list-of-elicitors
#6
Ai Ohnishi, Kunio Hashimoto, Eriko Ozono, Michiyo Sasaki, Ayako Sakamoto, Kasumi Tashiro, Hiroyuki Moriuchi
A 14-year-old girl developed 4 episodes of anaphylaxis of unknown etiology, which required intramuscular adrenaline administration each time. She had eaten pizza and a cheeseburger immediately before the first 2 episodes, respectively, but had not eaten anything for several hours before the last 2 episodes. It turned out that she had eaten the same ice lolly 4 hours before the first 3 episodes and a Café au lait Swirkle (a half-frozen beverage) 4 hours before the last episode. We detected carboxymethylcellulose sodium as the only common ingredient in all anaphylactic episodes...
February 14, 2019: Pediatrics
https://read.qxmd.com/read/30758903/treatment-of-injection-induced-ecchymoses-with-light-laser-assisted-technology
#7
Ines Verner, Hadas Prag Naveh, Dario Bertossi
An increasing number of minimally invasive cosmetic procedures, such as filler or botulinum toxin injections, are performed annually. These procedures are associated with a high risk of post-procedure bruising or ecchymosis. Ecchymoses arise following hemorrhage and extravasation of red blood cells into the subcutaneous tissue, leading to local skin discoloration. Although ecchymoses generally resolve within 14 days, their appearance is cosmetically bothersome, and they may be painful and cause major distress to patients...
February 13, 2019: Dermatologic Therapy
https://read.qxmd.com/read/30746733/uv-radiation-on-scalp-skin-surface-induces-scalp-hair-follicle-damage-ex-vivo-and-is-alleviated-by-the-topical-treatment-with-caffeine
#8
Jennifer Gherardini, Jeannine Wegner, Jérémy Chéret, Sushmita Ghatak, Janin Lehmann, Majid Alam, Francisco Jimenez, Wolfgang Funk, Markus Böhm, Natalia Botchkareva, Chris Ward, Ralf Paus, Marta Bertolini
OBJECTIVES: While the effect of ultraviolet radiation (UVR) on human skin has been extensively studied, very little is known on how UVR impacts on hair follicle (HF) homeostasis. Here, we investigated how solar spectrum UVR that hits the human skin surface impacts on HF biology, and whether any detrimental effects can be mitigated by a widely used cosmetic and nutraceutical ingredient, caffeine. METHODS: Human scalp skin with terminal HFs was irradiated transepidermally ex vivo using either 10 J/cm2 UVA (340-440 nm) + 20 mJ/cm2 UVB (290-320 nm) (low dose) or 50 J/cm2 UVA + 50 mJ/cm2 UVB (high dose) and organ-cultured under serum-free conditions for 1 or 3 days...
February 11, 2019: International Journal of Cosmetic Science
https://read.qxmd.com/read/30744819/differential-involvement-of-glycans-in-the-binding-of-staphylococcus-epidermidis-and-corynebacterium-spp-to-human-sweat
#9
Chi-Hung Lin, Robyn A Peterson, Audrey Gueniche, Ségolène Adam de Beaumais, Virginie Hourblin, Lionel Breton, Maria Dalko, Nicolle H Packer
Sweat is a secretory fluid that can be a source of unpleasant body odour due to interaction of resident bacteria with sweat components. Identification of glycoproteins in sweat suggests that protein-conjugated glycans may act as binding epitopes for bacteria, as found in other secretory fluids such as human milk, tears and saliva which help to protect epithelial surfaces from infection. We conducted proteomic and glycomic analysis of sweat to reveal an abundance of glycoproteins, predominantly carrying bi-antennary sialylated N-glycans with or without fucose...
March 2019: Microbiological Research
https://read.qxmd.com/read/30738166/effective-melanin-degradation-by-a-synergistic-laccase-peroxidase-enzyme-complex-for-skin-whitening-and-other-practical-applications
#10
Sang Kyu Shin, Jeong Eun Hyeon, Young-Chul Joo, Da Woon Jeong, Seung Kyou You, Sung Ok Han
Melanin is major cause of dark skin, which is regarded as social status in eastern Asia. As a result, researchers in cosmetic industries are developing skin whitening agents. Melanin can be decolorized by many oxidative enzymes. Laccase (CueO) from Escherichia coli and dye-decolorizing peroxidase (DyP) from Bacillus subtilis were merged with the dockerin domain of endoglucanase B from Clostridium cellulovorans. Scaffoldin has great potential to exert structural benefits that enable complementary enzyme effects...
February 6, 2019: International Journal of Biological Macromolecules
https://read.qxmd.com/read/30735821/characteristics-and-in-vitro-anti-skin-aging-activity-of-gallic-acid-loaded-in-cationic-ctab-niosome
#11
Puxvadee Chaikul, Nuntawat Khat-Udomkiri, Kochchawan Iangthanarat, Jiradej Manosroi, Aranya Manosroi
Physicochemical characteristics and in vitro anti-skin aging activity of gallic acid loaded in niosomes were investigated. Gallic acid was loaded in neutral (Brij 52/cholesterol at 7:3) and cationic CTAB niosomes (Brij 52/cholesterol/cetyltrimethylammonium bromide at 7:3:0.65). The maximum loading capacity and entrapment efficiency of gallic acid were 3.5, 4.48 ± 2.10 in neutral and 50%, w/w, 10.94 ± 0.78% in cationic CTAB niosomes, respectively. All gallic acid loaded in niosomes showed the unilamellar structure under transmission electron microscope with size range of 131...
February 5, 2019: European Journal of Pharmaceutical Sciences
https://read.qxmd.com/read/30733068/periorbital-necrotising-fasciitis-secondary-to-scratching
#12
I A Placinta, E España-Gregori, A Rodrigo-Hernández, C Martínez-Rubio, J Safont-Albert, M Á Bort-Martí
An 80 year-old woman with no relevant medical history, consulted for worsening of right palpebral itching and pain after an insect bite. Her eyelids had areas of laceration due to scratching, which rapidly progressed to fibrinoid necrosis over the first 24hours. Lesions were cultivated, revealing Streptococcus pyogenes and Staphylococcus aureus. The patient was admitted to hospital with the diagnosis of periorbital necrotising fasciitis, in order to receive treatment with intravenous ceftriaxone, linezolid, and immediate surgical debridement...
February 4, 2019: Archivos de la Sociedad Española de Oftalmología
https://read.qxmd.com/read/30732166/observation-of-changes-after-peripheral-retinal-injury-by-cosmetic-laser-using-wide-field-scanning-laser-ophthalmoscope-a-case-report
#13
Rae Young Kim, Ho Ra
RATIONALE: Increases in cosmetic laser use have led to recent reports of accidental retinal injuries, most of which are limited to the posterior pole. We report a case of peripheral retinal injury caused by a 1064-nm Nd:YAG: neodymium-doped yttrium aluminum garnet. PATIENT CONCERNS: A 27-year-old Asian woman was admitted with scotoma symptoms in her right eye. The patient was a skin care technician. Three days before admission, a laser beam had struck her eye while she was preparing for a laser procedure...
February 2019: Medicine (Baltimore)
https://read.qxmd.com/read/30710832/in-vivo-adhesive-behavior-of-human-facial-skin-by-a-modified-indentation-test
#14
A N Dai, W He, S B Wang, W J Chen, C W Li, Z Y Wang, L A Li
A better understanding of the adhesive behavior of human facial skin is important for dermatological or cosmetic applications. For their in vivo experimental characterization and analysis, the indentation test is an effective and widely used method. In this study, our independently developed transparent indenter and curved surface optical imaging technique are improved, by which the contact area of facial skin can be in vivo and in situ obtained during an indentation test. Thanks to the modified indentation technique, the real contact radii of human facial skin under different conditions (normal, as-moistened, moistened after 30 min) are obtained, and their adhesive behavior is studied...
January 26, 2019: Journal of the Mechanical Behavior of Biomedical Materials
https://read.qxmd.com/read/30707508/current-and-future-perspectives-on-skin-tissue-engineering-key-features-of-biomedical-research-translational-assessment-and-clinical-application
#15
REVIEW
Justine R Yu, Javier Navarro, James C Coburn, Bhushan Mahadik, Joseph Molnar, James H Holmes, Arthur J Nam, John P Fisher
The skin is responsible for several important physiological functions and has enormous clinical significance in wound healing. Tissue engineered substitutes may be used in patients suffering from skin injuries to support regeneration of the epidermis, dermis, or both. Skin substitutes are also gaining traction in the cosmetics and pharmaceutical industries as alternatives to animal models for product testing. Recent biomedical advances, ranging from cellular-level therapies such as mesenchymal stem cell or growth factor delivery, to large-scale biofabrication techniques including 3D printing, have enabled the implementation of unique strategies and novel biomaterials to recapitulate the biological, architectural, and functional complexity of native skin...
February 1, 2019: Advanced Healthcare Materials
https://read.qxmd.com/read/30705543/concealed-cosmetic-closure-in-total-knee-replacement-surgery-a-prospective-audit-assessing-appearance-and-patient-satisfaction
#16
Sanjay Agarwala, Mayank Vijayvargiya
Objective: With the trend towards accelerated rehabilitation, the method of skin closure has become increasingly important in orthopedic surgery. It is imperative to evaluate a technique that provides superior clinical and cosmetic results specifically for TKA, due to relatively thin skin anterior to the knee making poor wound healing an issue of concern. We conducted a prospective, single-arm audit evaluating the patient assessments of incision cosmesis for a novel technique in TKA wound closure called Concealed Cosmetic Closure (CCC)...
January 2019: Journal of Clinical Orthopaedics and Trauma
https://read.qxmd.com/read/30704124/hplc-analysis-and-skin-whitening-effects-of-umbelliprenin-containing-extracts-of-anethum-graveolens-pimpinella-anisum-and-ferulago-campestris
#17
Vito Alessandro Taddeo, Francesco Epifano, Francesca Preziuso, Serena Fiorito, Nicolas Caron, Arnaud Rives, Philippe de Medina, Marc Poirot, Sandrine Silvente-Poirot, Salvatore Genovese
Umbelliprenin has recently been shown to have great potential as a skin whitening agent. Wishing to investigate the same effect in plant species known to biosynthesize this coumarin, three plants belonging to the Apiaceae family, namely Anethum graveolens L. (dill), Pimpinella anisum L. (anise), and Ferulago campestris (Besser) Grecescu (field ferula) were screened by HPLC analysis for their respective content of umbelliprenin in extracts obtained with different solvent mixtures and by maceration and ultrasound-assisted processes...
January 30, 2019: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/30703334/radiation-therapy-techniques-in-the-treatment-of-skin-cancer-an-overview-of-the-current-status-and-outlook
#18
Ali Pashazadeh, Axel Boese, Michael Friebe
Nonmelanoma skin cancer (NMSC) is a major health concern due to its high incidence rate, its negative impact on the quality of life of patients as well as the associated economic burden to the healthcare system. Surgery is currently the primary treatment offered for skin cancer patients but not applicable or available in all cases. Radiation therapy (RT), with its long successful history in the management of cancer, has shown to be an effective alternative or complementary method in cutaneous oncology. Specifically, for dermatology applications, RT is very often the preferred option due to its favorable cosmetic results, besides the excellent control rate of the tumor...
January 31, 2019: Journal of Dermatological Treatment
https://read.qxmd.com/read/30701646/transdermal-absorption-of-active-substances-from-cosmetic-vehicles
#19
Jana Pavlačková, Pavlína Egner, Jana Polašková, Jarmila Hojerová, Lucie Pinďáková, Pavel Mokrejš, Vendula Varaďová
BACKGROUND: Cosmetic products mean any substance or mixture intended to be placed in contact with the external parts of the human body (eg, epidermis, lips) and should not pass to the lower parts and penetrate to the skin. As a part of evaluation of cosmetic safety, the transdermal absorption of substances should be investigated. MATERIALS AND METHODS: In vitro absorption was investigated with Franz diffusion cells on untreated porcine skin and specimens of the same treated with 15%wt...
January 30, 2019: Journal of Cosmetic Dermatology
https://read.qxmd.com/read/30700045/new-cosmetic-formulation-for-the-treatment-of-mild-to-moderate-infantile-atopic-dermatitis
#20
Raúl de Moreno, Cristina Redondo, Azahara Pérez-Davó, Esther Moreno, Pedro Redondo
Atopic dermatitis (AD) is a chronic cutaneous inflammatory disorder, characterized by skin barrier disruption. Dermacare is a new cosmetic formulation, which enhances moisturization, reinforces and repairs the skin barrier, and prevents cutaneous microbiota imbalance. To demonstrate its safety and efficacy, a prospective, open-label, and multicenter study was carried out on patients diagnosed with mild to moderate AD. Transepidermal water loss (TEWL), clinical severity, Desquamation Index, Patient/Investigator Global Assessments, quality of life index, and tolerance were assessed...
January 29, 2019: Children
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