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Cosmetology

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https://www.readbyqxmd.com/read/29064437/the-assessment-of-toxic-metals-in-plants-used-in-cosmetics-and-cosmetology
#1
Agnieszka Fischer, Barbara Brodziak-Dopierała, Krzysztof Loska, Jerzy Stojko
Heavy metals polluting the natural environment are absorbed by plants. The use of herbs as components of cosmetics may pose a health risk for humans. The aim of the study was to determine the concentrations of Pb, Cd and Hg in selected species of herbs (horsetail Equisetum arvense, nettle Urtica dioica, St. John's wort Hypericum perforatum, wormwood Artemisia absinthium, yarrow Achillea millefolium, cottonwood Solidago virgaurea) self-collected from the natural environment in two different locations, and purchased in stores on the territory of Poland...
October 24, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29026683/high-sensitivity-optical-measurement-of-skin-gloss
#2
Anna Ezerskaia, Arno Ras, Pascal Bloemen, Silvania F Pereira, H Paul Urbach, Babu Varghese
We demonstrate a low-cost optical method for measuring the gloss properties with improved sensitivity in the low gloss regime, relevant for skin gloss properties. The gloss estimation method is based on, on the one hand, the slope of the intensity gradient in the transition regime between specular and diffuse reflection and on the other on the sum over the intensities of pixels above threshold, derived from a camera image obtained using unpolarized white light illumination. We demonstrate the improved sensitivity of the two proposed methods using Monte Carlo simulations and experiments performed on ISO gloss calibration standards with an optical prototype...
September 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28986651/a-study-on-the-clinical-characteristics-of-treating-nevus-of-ota-by-q-switched-nd-yag-laser
#3
Liu Yan, Li Di, Wang Weihua, Liu Feng, Li Ruilian, Zhou Jun, Su Hui, Ying Zhaoxia, Zeng Weihui
The purpose of this study was to retrospectively analyze the clinical characteristics of treating nevus of Ota by Q-switched Nd:YAG laser in Laser Cosmetology Center of Department of Dermatology, the Second Hospital, Xi'an Jiaotong University. The data of 1168 patients of nevus of Ota were analyzed retrospectively, which included the correlation among lesion color, treatment sessions, sex, age, lesion types, and effect. The Q-switched (QS) Nd:YAG laser system had a higher number of treatment sessions which were positively associated with a better response to treatment...
October 7, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28914009/luminescent-diagnostics-of-skin-defects-in-the-near-infrared-range
#4
Yuriy V Alekseev, Valentina D Rumyantseva, Anastasiya S Gorshkova, Anastasiya E Shchelkunova, Igor P Shilov, Andrey V Ivanov
Photodynamic therapy becomes a widely spread method due to cancer growth in the world. However, to detect tumors at early stages, it is necessary to carry out diagnostic measures in a timely manner. Our aim was to test the developed pharmaceutical composition, which can be used for external application in early fluorescent diagnostics even in the absence of visual changes, as well as for therapy effectiveness control. Pharmacokinetic studies on laboratory animals and volunteers were carried out. The results have shown that the dipotassium salt of Yb3+-dimethoxyhematoporphyrin IX, which is highly soluble in water and stable in storage, is a promising marker for earlier diagnostics of tumors and can be used in dermatology, dentistry, gynecology, cosmetology, ear, nose, and throat diseases, veterinary, and in other areas of medicine...
September 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28831246/general-quality-of-life-of-patients-with-acne-vulgaris-before-and-after-performing-selected-cosmetological-treatments
#5
Karolina Chilicka, Joanna Maj, Bernard Panaszek
BACKGROUND: Achieving a satisfying quality of life for a patient by applying individually matched therapy is, simultaneously, a great challenge and a priority for contemporary medicine. Patients with visible dermatological ailments are particularly susceptible to reduction in the general quality of life. Among the dermatological diseases, acne causes considerable reduction in the quality of life and changes in self-perception that lead to the worsening of a patient's mental condition, including depression and suicidal thoughts...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/28748685/skin-signs-of-systemic-infections-and-neoplastic-diseases
#6
Karen L Manuelyan, Ivan A Bogdanov, Razvigor B Darlenski
In recent years, emphasis on the physical examination has made way for a plethora of laboratory tests and sophisticated imaging diagnostic techniques. In addition, we are witnessing an underestimation of dermatology as a specialty around the world, which is accepted as an ambulatory specialty on the border of cosmetology and beautification. However, recognizing specific cutaneous clinical signs can facilitate timely diagnosis of various systemic infections and neoplastic diseases. Thus, a skilled dermatologist can play an essential role in the multidisciplinary team, involved in the care for systemically ill patients...
July 26, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28686399/-reflectance-confocal-microscopy-what-future-for-dermatology
#7
Jean-Luc Levy, Sarah Norrenberg, Philippe Bahadoran
Reflectance confocal microscopy is a non invasive imaging technique which provides in vivo and real time images of different skin tissues with a resolution close to histology, however with a depth limited to superficial dermis.The first lesions that were morphologically analyzed are melanocytic lesions. Reflectance confocal microscopy has been used for about ten years in dermatology. Its progressive improvement over the years has allowed it to be an efficient tool for diagnosing cutaneous tumors. It has been developed for inflammatory dermatosis, cutaneous infections, angiomas, cosmetology...
October 12, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28641964/metal-nanoparticles-in-dermatology-and-cosmetology-interactions-with-human-skin-cells
#8
REVIEW
Karolina Niska, Ewelina Zielinska, Marek Witold Radomski, Iwona Inkielewicz-Stepniak
Nanotechnology is a rapidly developing branch of science, which studies control of phenomena and materials sized below 100 nm. Nanotechnology is applicable in many areas of life and medicine including skin care and personal hygiene. The nanoparticles (NPs) of metals and metal oxides are increasingly used in dermatology and cosmetology, especially in prevention and treatment of bacterial and fungal infections, in protection against the harmful effects of the sun and in preparations reducing the visibility of scars by accelerating the repair processes of skin cells...
June 19, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28557384/-transcription-factor-p53-and-skin-aging
#9
D A Gritsenko, O A Orlova, N S Linkova, V Kh Khavinson
The review is devoted to an actual problem of cosmetics in gerontology, one of molecular aspects of skin aging. Cell renewal processes slow down with aging, and the proliferation apoptosis ratio shifts towards cell death. One of the most pivotal apoptotic markers is the transcription factor p53. p53 protein expression in the skin keratinocytes increases under the influence of ultraviolet radiation. Wherein when exposed to ultraviolet radiation mutant forms of p53 have been revealed in 70 % of keratinocytes...
2017: Advances in Gerontology, Uspekhi Gerontologii
https://www.readbyqxmd.com/read/28541815/occupational-skin-disease-prevention-an-educational-intervention-for-hairdresser-cosmetology-students
#10
Kara Haughtigan, Eve Main, Tonya Bragg-Underwood, Cecilia Watkins
Cosmetologists frequently develop occupational skin disease related to workplace exposures. The purpose of this study was to evaluate an educational intervention to increase cosmetology students' occupational skin disease knowledge and use of preventive practices. A quasi-experimental design was used to evaluate students' knowledge, behaviors, intentions, expectancies, and expectations. A 20-minute verbal presentation and printed two-page educational handout were provided for participants. Statistically significant increases in knowledge, frequency of glove use, and frequency of moisturizer use were found, but the frequency of handwashing did not increase...
November 2017: Workplace Health & Safety
https://www.readbyqxmd.com/read/28443519/atranorin-an-interesting-lichen-secondary-metabolite
#11
Elżbieta Studzińska-Sroka, Agnieszka Galanty, Wiesława Bylka
Atranorin, the compound with the depside structure, is one of the most common lichen secondary metabolites, characteristic for numerous lichen families but rarely found in some mosses and higher plants. Over the years various biological properties of atranorin were examined. This review summarises the studies on atranorin, focusing on a number of biological activities in different fields. The literature describes anti-inflammatory, analgesic, as well as wound healing, antibacterial, antifungal, cytotoxic, antioxidant, antiviral, and immunomodulatory activities of the depside...
April 24, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28428063/percutaneous-endoscopical-transforaminal-approach-versus-plf-to-treat-the-single-level-adjacent-segment-disease-after-plf-plif-1-2-years-follow-up
#12
Zhaoyu Ba, Fumin Pan, Zhonghan Liu, Bin Yu, Laurel Fuentes, Desheng Wu, Jianguang Zhu
BACKGROUND: Adjacent segment disease (ASD) is a common complication after lumbar decompression and fusion surgery. Traditional revision-surgery, including posterior lumbar decompression and posterolateral fusion (PLF) or interbody fusion (PLIF) is traumatic. The percutaneous endoscopic transforaminal procedure (PE-TF) has been widely used in patients with lumbar disc disease. However, there are no reports about using PE-TF procedure to treat ASD in the current literature. OBJECTIVE: To compare the clinical outcomes between PE-TF and PLF for single-level ASD after PLF or PLIF...
June 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28299552/the-history-of-botulinum-toxin-from-poison-to-beauty
#13
Katlein França, Anagha Kumar, Massimo Fioranelli, Torello Lotti, Michael Tirant, Maria Grazia Roccia
Botulinum toxin, also called the "miracle toxin," is a neurotoxin produced by the bacteria Clostridium botulinum. It is known to block nerve signals that contract muscles resulting in a temporary paralysis of the muscles. Toxins type A and B have been extensively studied and utilized in the realm of beauty and cosmetology. Initially, the toxin gained popularity as a disease-causing "poison". It was only later that it found its way to becoming a must have in modern aesthetic practice. Today, this wonder toxin has proven to be an apt and convenient option in the field of anti-aging medicine...
October 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28103978/-cosmetological-thinking-and-methods-in-tcm-in-the-sui-tang-dynasty
#14
Y J Wu
In the heyday of Chinese feudal society, women's status in the society of the Sui-Tang period was improved in the Tang Dynasty.The demand for female to stay young and anti-aging had attracted lots of attention in the society, thus providing a favorable social environment for the formation and development of Chinese herbal cosmetology. The important representative medical works on traditional Chinese medicine (TCM) were published in the Sui and Tang Dynasties, such as Bei ji qian jin yao fang (Essential Recipes for Emergent Use Worth A Thousand Gold), Qian jin yi fang (Supplement to Recipes Worth A Thousand Gold), Wai tai mi yao (Arcane Essentials from the Imperial Library) etc...
November 28, 2016: Zhonghua Yi Shi za Zhi, Chinese Journal of Medical History
https://www.readbyqxmd.com/read/28071013/the-industrial-potential-of-herbs-and-spices-a-mini-review
#15
REVIEW
Katarzyna B Leja, Katarzyna Czaczyk
Herbs and spices have been used for food and medicinal purposes for centuries - the first recorded evidence of their use dates back to 1500BC and the Ebers Papyrus, which mentioned spices such as anise, mustard, saffron, cinnamon, and cassia. Now, in the 21st century, a variety of secondary compounds produced by plants are used in many fields of industry, such as food production (to improve taste, to provide vitamins and macro- and microelements, and also to inhibit food spoilage caused by foodborne bacteria), in medicine (in the treatment of various diseases; in chemoprevention and cancer therapy; as a source of natural antimicrobials for the treatment of infectious disease), and in pharmacology and cosmetology (in dietary supplements, and as a result of the demand for preservative-free cosmetics, to reduce the risk of methylparaben allergies)...
October 2016: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28043724/high-resolution-elastography-for-thin-layer-mechanical-characterization-toward-skin-investigation
#16
Caroline Chartier, Yassine Mofid, Cécile Bastard, Véronique Miette, Annabel Maruani, Laurent Machet, Frédéric Ossant
Interest in elasticity estimation for thin layers is increasing because of the various potential applications, including dermatology and cosmetology. In this context, we propose a dedicated elastographic system using 1-D high-frequency transient elastography (HF-TE) to estimate the 1-D Young's modulus through the dermis and hypodermis, which are the two human skin layers of interest in this study. An experimental validation of the HF-TE method was first carried out on two homogeneous tissue-mimicking hard and soft phantoms...
March 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/27605423/lignin-peroxidase-functionalities-and-prospective-applications
#17
REVIEW
Ayodeji O Falade, Uchechukwu U Nwodo, Benson C Iweriebor, Ezekiel Green, Leonard V Mabinya, Anthony I Okoh
Ligninolytic extracellular enzymes, including lignin peroxidase, are topical owing to their high redox potential and prospective industrial applications. The prospective applications of lignin peroxidase span through sectors such as biorefinery, textile, energy, bioremediation, cosmetology, and dermatology industries. The litany of potentials attributed to lignin peroxidase is occasioned by its versatility in the degradation of xenobiotics and compounds with both phenolic and non-phenolic constituents. Over the years, ligninolytic enzymes have been studied however; research on lignin peroxidase seems to have been lagging when compared to other ligninolytic enzymes which are extracellular in nature including laccase and manganese peroxidase...
February 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/27604277/parameterization-and-optimization-of-the-menthol-force-field-for-molecular-dynamics-simulations
#18
Mateusz Jasik, Borys Szefczyk
Menthol's various biological properties render it a useful component for medical and cosmetological applications, while its three centers of asymmetry mean that it can be used in a range of organic reactions. Menthol-substituted ionic liquids (ILs) have been found to exhibit promising antimicrobial and antielectrostatic properties, as well as being useful in organic catalysis and biochemical studies. However, so far, a force field designed and validated specifically for the menthol molecule has not been constructed...
October 2016: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/27550617/invasive-scalp-melanoma-role-for-enhanced-detection-through-professional-training
#19
Brendan P Lovasik, Ishna Sharma, Maria C Russell, Grant W Carlson, Keith A Delman, Monica Rizzo
BACKGROUND: Scalp and neck melanomas (SNMs) have a relatively poor prognosis compared to other sites, and represent an anatomically challenging area for detection. The aim of this study was to identify the role of the hairdresser in detection of SNMs. METHODS: A tertiary surgical oncology institutional database was retrospectively reviewed for all patients undergoing resection of a scalp, posterior neck, or retro auricular invasive primary melanoma between 2008 and 2014...
November 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27516408/unsupervised-delineation-of-stratum-corneum-using-reflectance-confocal-microscopy-and-spectral-clustering
#20
A Bozkurt, K Kose, C Alessi-Fox, J G Dy, D H Brooks, M Rajadhyaksha
BACKGROUND: Measuring the thickness of the stratum corneum (SC) in vivo is often required in pharmacological, dermatological, and cosmetological studies. Reflectance confocal microscopy (RCM) offers a non-invasive imaging-based approach. However, RCM-based measurements currently rely on purely visual analysis of images, which is time-consuming and suffers from inter-user subjectivity. METHODS: We developed an unsupervised segmentation algorithm that can automatically delineate the SC layer in stacks of RCM images of human skin...
May 2017: Skin Research and Technology
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