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https://www.readbyqxmd.com/read/28345377/green-microparticles-based-on-a-chitosan-lactobionic-acid-linoleic-acid-association-characterization-and-evaluation-as-a-new-carrier-system-for-cosmetics
#1
C Chaouat, S Balayssac, M Malet-Martino, F Belaubre, E Questel, A M Schmitt, S Poigny, S Franceschi, E Perez
The association chitosan/linoleic acid/lactobionic acid in aqueous solution spontaneously led to the formation of stable microparticles with a liquid hydrophobic core consisting of linoleic acid surrounded by a shell of chitosan/lactobionic acid. The originality of the microparticles arises from the fact that they are formed by the association of three ingredients of cosmetic interest, including a skin penetration enhancer (linoleic acid). DLS measurements showed microparticles with a mean diameter of 1 to 2 µm...
March 27, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28335318/a-label-free-and-sensitive-fluorescent-qualitative-assay-for-bisphenol-a-based-on-rolling-circle-amplification-exonuclease-iii-combined-cascade-amplification
#2
Xia Li, Juan Song, Qing-Wang Xue, Fu-Heng You, Xia Lu, Yan-Cong Kong, Shu-Yi Ma, Wei Jiang, Chen-Zhong Li
Bisphenol A (BPA) detection in drinking water and food packaging materials has attracted much attention since the discovery that BPA can interfere with normal physiological processes and cause adverse health effects. Here, we constructed a label-free aptamer fluorescent assay for selective and sensitive detection of BPA based on the rolling circle amplification (RCA)/Exonuclease III (Exo III)-combined cascade amplification strategy. First, the duplex DNA probe (RP) with anti-BPA aptamer and trigger sequence was designed for BPA recognition and signal amplification...
October 21, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28318188/-zosteriform-lichen-aureus-pediatric-clinical-case
#3
Álvaro Rivera-Rodríguez, Sergio Hernández Ostiz, Ana L Morales-Moya, Lucía Prieto-Torres, Marcial Álvarez-Salafranca, Mariano Ara Martín
Lichen aureus is a rare pigmented purpuric dermatosis. We present an unusual case because of the pediatric age and the great number of lesions with zosteriform distribution. He is a 10-yearold boy, with a brownish, smaller than 1 cm, sharp edges, lichenified surface, asymptomatic macule, over the inner aspect of the left leg with a zosteriform distribution. The histology showed a band-like inflammatory infiltrate in the superficial dermis, composed of lymphocytes, histiocytes, erythrocytes and haemosiderin...
April 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28300437/botanicals-with-dermatologic-properties-derived-from-first-nations-healing
#4
Sophia Colantonio, Jason K Rivers
INTRODUCTION: Plants and algae have played a central role in the treatment of skin conditions in both traditional First Nations healing and in modern dermatology. The objective of this study was to examine the evidence supporting the dermatological use of seaweed, witch hazel, bearberry, and mayapple. METHODS: Four plants and algae used in traditional First Nations treatments of skin disease were selected based on expert recommendations. Several databases were searched to identify relevant citations without language restrictions...
December 1, 2016: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28299156/fifty-shades-of-african-lightness-a-bio-psychosocial-review-of-the-global-phenomenon-of-skin-lightening-practices
#5
REVIEW
Meagan Jacobs, Susan Levine, Kate Abney, Lester Davids
Skin-lightening is an aesthetic practice of global concern. By adopting a biopsycho-social approach, we consider the interplay between the biological, psychological and social factors that underpin the circulation and consumption of skin lighteners in South Africa. This paper reflects on biological aspects of skin lightening, interpersonal relationships, individual beliefs and expectations about the maintenance of health and well being that informs cosmetic practices. The paper seeks to examine claims made by historians (Thomas) and political philosophers and activists (Biko) that colonialism and apartheid in South Africa historically reinforced the use of skin lightening products in the country...
December 31, 2016: Journal of Public Health in Africa
https://www.readbyqxmd.com/read/28295406/lipid-based-submicron-capsules-as-a-strategy-to-include-high-concentrations-of-a-hydrophobic-lightening-agent-in-a-hydrogel
#6
Htp Nguyen, M Soucé, X Perse, F Vial, T Perrier, F Yvergnaux, I Chourpa, E Munnier
OBJECTIVE: The present study aims at increasing the concentration of a hydrophobic lightening agent, Omegalight(®) , in a hydrophilic cosmetic product by means of encapsulation in lipid-based submicron capsules. The core of these capsules is entirely made of the commercial lightening agent. METHODS: Lipid-based encapsulation systems (LNC) were prepared by the PIT method. Their physicochemical properties were followed over 6 months by dynamic light scattering and zeta potential measurements, and in parallel the potential degradation of the active ingredient was monitored by HPLC...
March 15, 2017: International Journal of Cosmetic Science
https://www.readbyqxmd.com/read/28274355/topical-treatments-for-acne
#7
Marita Kosmadaki, Andreas Katsambas
Topical drugs have been used successfully to treat acne for decades. This review discusses the use, efficacy, and safety of options available via prescription. Topical antibiotics, dapsone, benzyl peroxide, azelaic acid, and topical retinoids are included. Topical antibiotics should not be used as monotherapy but rather be combined with other agents to avoid resistant Propionibacterium acnes strains. Benzoyl peroxide is effective in preventing bacteria resistance. Topical retinoids address primarily the comedonal but also the inflammatory lesions of acne...
March 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28269438/a-novel-wireless-wearable-fluorescence-image-guided-surgery-system
#8
Kunshan He, Yamin Mao, Jinzuo Ye, Yu An, Shixin Jiang, Chongwei Chi, Jie Tian
Segmentectomy using indocyanine green (ICG) has become a primary treatment option to achieve a complete resection and preserve lung function in early-stage lung cancer. However, owing to a lack of appropriate intraoperative imaging systems, it is a huge challenge for surgeons to identify the intersegmental plane during the operation, leading to poor prognosis. Thus, we developed a novel wireless wearable fluorescence image-guided surgery system (LIGHTEN) for fast and accurate identification of intersegmental planes in human patients...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28240881/organic-semiconducting-nanoparticles-as-efficient-photoacoustic-agents-for-lightening-early-thrombus-and-monitoring-thrombolysis-in-living-mice
#9
Cao Cui, Zhen Yang, Xiang Hu, Jinjun Wu, Kangquan Shou, Hengheng Ma, Chao Jian, Yong Zhao, Baiwen Qi, Xiaoming Hu, Aixi Yu, Quli Fan
Acute venous thrombosis is prevalent and potentially fatal. Accurate diagnosis of early thrombus is needed for patients in timely clinical intervention to prevent life-threatening conditions. Photoacoustic imaging (PAI) with excellent spatial resolution and high optical contrast shows more promise for this purpose. However, its application is dramatically limited by its signal-off effect on thrombus because of the ischemia in thrombus which lacks the endogenous photoacoustic (PA) signal of hemoglobin. To address this dilemma, we herein report the feasibility of using organic semiconducting nanoparticles (NPs) for contrast-enhanced PAI of thrombus in living mice...
March 28, 2017: ACS Nano
https://www.readbyqxmd.com/read/28239840/melasma-systematic-review-of-the-systemic-treatments
#10
REVIEW
Linghong Linda Zhou, Akerke Baibergenova
Currently available treatment options for melasma include prevention of UV radiation, topical lightening agents, chemical peels, and light-based and laser therapies. However, none have shown effective and sustained results, with incomplete clearance and frequent recurrences. There has been increasing interest recently in oral medications and dietary supplements in improving melasma. We sought to evaluate the efficacy and safety/tolerability of oral medications and dietary supplements for the treatment of melasma...
February 27, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28228637/cell-biology-of-the-neuron-lightening-the-load
#11
Natasha Bray
No abstract text is available yet for this article.
April 2017: Nature Reviews. Neuroscience
https://www.readbyqxmd.com/read/28227684/a-novel-wireless-wearable-fluorescence-image-guided-surgery-system
#12
Kunshan He, Yamin Mao, Jinzuo Ye, Yu An, Shixin Jiang, Chongwei Chi, Jie Tian, Kunshan He, Yamin Mao, Jinzuo Ye, Yu An, Shixin Jiang, Chongwei Chi, Jie Tian, Shixin Jiang, Jinzuo Ye, Kunshan He, Chongwei Chi, Jie Tian, Yamin Mao, Yu An
Segmentectomy using indocyanine green (ICG) has become a primary treatment option to achieve a complete resection and preserve lung function in early-stage lung cancer. However, owing to a lack of appropriate intraoperative imaging systems, it is a huge challenge for surgeons to identify the intersegmental plane during the operation, leading to poor prognosis. Thus, we developed a novel wireless wearable fluorescence image-guided surgery system (LIGHTEN) for fast and accurate identification of intersegmental planes in human patients...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28210913/dietary-and-commercialized-fructose-sweet-or-sour
#13
REVIEW
Aslihan Yerlikaya, Tuncay Dagel, Christopher King, Masanari Kubawara, Miguel A Lanaspa, Ana Andres-Hernando, Adrian Covic, Jacek Manitius, Alan A Sag, Mehmet Kanbay
Metabolic syndrome and diabetes are main health problems of modern life in the twenty-first century. Alarming ratios of global prevalence lead to conduct more and more researches about etiological factors and pathogenesis. Disease mechanism is elementary for advancing more efficient and practicable treatment methods. Concurrent increase in both fructose consumption with Western diet and metabolic syndrome has revealed fructose hypothesis that suggests fructose as one of etiological factor of metabolic syndrome (insulin resistance, central obesity, hypertension, etc...
February 16, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28208874/topical-corticosteroid-misuse-the-scenario-in-patients-attending-a-tertiary-care-hospital-in-new-delhi
#14
Santwana Mahar, Khushbu Mahajan, Swati Agarwal, Hemanta Kumar Kar, Swapan Kumar Bhattacharya
INTRODUCTION: Irrational use of Topical Corticosteroid (TC) is quite common in India due to unrestricted availability and use of TC not only by general public but also by physicians and chemists due to quick relief of symptoms in different dermatological conditions. AIM: The present study was conducted to evaluate and analyse the prevalence of misuse of TC and the causes behind misuse of TC among patients in a dermatology outpatient department in New Delhi. MATERIALS AND METHODS: This was a cross-sectional observational questionnaire based study conducted over a period of 5 months (1(st) June 2015 to 30(th) November 2015)...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208800/help-seeking-in-suicidal-situations-paramount-and-yet-challenging-interactions-between-significant-others-of-suicidal-persons-and-health-care-providers
#15
Dolores Angela Castelli Dransart, Sophie Guerry
Significant others are often crucial for suicidal persons or suicide attempters' access to care, yet little is known about their efforts to seek help. This article presents the findings of a qualitative pilot study carried out in Switzerland on the help-seeking process of 18 significant others, their perception of the care received by their loved one, and the interactions and collaboration they experienced with professionals. Most significant others repeatedly sought out support for their loved one and themselves...
February 13, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28190468/curcuma-aeruginosa-roxb-essential-oil-slows-hair-growth-and-lightens-skin-in-axillae-a-randomised-double-blinded-trial
#16
Jukkarin Srivilai, Preeyawass Phimnuan, Jiraporn Jaisabai, Nantakarn Luangtoomma, Neti Waranuch, Nantaka Khorana, Wudtichai Wisuitiprot, C Norman Scholfield, Katechan Champachaisri, Kornkanok Ingkaninan
BACKGROUND: Androgenic hair-growth contributes to secondary gender characteristics but can be troublesome in women. Inhibiting axillary hair-growth via 5-α-reductases using the Thai medicinal plant, Curcuma aeruginosa Roxb. is an attractive treatment strategy. HYPOTHESIS/PURPOSE: C. aeruginosa essential oil (CA-oil) formulated as a lotion is an efficacious and safe inhibitor of axillary hair growth. STUDY DESIGN: This trial was a single center, randomized, double-blind, placebo controlled 10 weeks, intervention in 60 women (18-23 years) and 2 weeks washout with axillary hair length was the primary end-point...
February 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28182699/bifunctional-effects-of-o-methylated-flavones-from-scutellaria-baicalensis-georgi-on-melanocytes-inhibition-of-melanin-production-and-intracellular-melanosome-transport
#17
Michiko Kudo, Kumiko Kobayashi-Nakamura, Kentaro Tsuji-Naito
The growing interest in skin lightening has recently renewed attention on the esthetic applications of Chinese herbal medicine. Although Scutellaria baicalensis Georgi is used for antipyretic and antiinflammatory purposes, its whitening effect remains unclear. This study reports three major findings: (1) S. baicalensis has a potent inhibitory effect on melanogenesis; (2) wogonin and its glycoside are the active components of S. baicalensis; and (3) O-methylated flavones from S. baicalensis, such as wogonin, inhibit intracellular melanosome transport...
2017: PloS One
https://www.readbyqxmd.com/read/28181332/impact-of-universal-health-coverage-on-suicide-risk-in-newly-diagnosed-cancer-patients-population-based-cohort-study-from-1985-to-2007-in-taiwan
#18
Po-Hsien Lin, Shih-Cheng Liao, I-Ming Chen, Po-Hsiu Kuo, Jia-Chi Shan, Ming-Been Lee, Wei J Chen
BACKGROUND: National Health Insurance (NHI), launched in 1995 in Taiwan, lightens patient's financial burdens but its effect on the suicide risk in cancer patients is unclear. We aimed to investigate the impacts of the NHI on the suicide in newly diagnosed cancer patients. METHODS: We identified patients with newly diagnosed cancer from the nationwide Taiwan Cancer Registration from 1985 to 2007, and ascertained suicide deaths from the national database of registered deaths between 1985 and 2009...
February 8, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28177297/enhanced-performance-of-zno-microballoon-arrays-for-a-triboelectric-nanogenerator
#19
Weili Deng, Binbin Zhang, Long Jin, Yueqi Chen, Wenjun Chu, Haitao Zhang, Minhao Zhu, Weiqing Yang
In recent years, triboelectric nanogenerators (TENGs), harvesting energy from the environment as a sustainable power source, have attracted great attention. Currently, many reports focus on the effect of surface modification on the electrical output performance of the TENG. In this work, we have fabricated vertically grown ZnO microballoon (ZnOMB) arrays on top of pyramid-featured PDMS patterned film, contacted with PTFE film to construct the TENG. The electrical output performances of the designed TENG are presented under external forces with different frequencies...
February 8, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28174084/protective-effect-of-polysaccharide-from-maca-lepidium-meyenii-on-hep-g2-cells-and-alcoholic-liver-oxidative-injury-in-mice
#20
Lijun Zhang, Qingsheng Zhao, Liwei Wang, Mingxia Zhao, Bing Zhao
To study the characterization and hepatoprotective activity of polysaccharide from maca (Lepidium meyenii), the main polysaccharide from maca (MP-1) was obtained by DEAE-52 cellulose column. The average molecular weight of MP-1 was 1067.3kDa and the polysaccharide purity was 91.63%. In order to assess the antioxidant activities of MP-1, four kinds of methods were used, including scavenging hydroxyl radical, DPPH, superoxide anion radical, and FRAP, and the results indicated high antioxidant activities. Furthermore, hepatoprotective activity of MP-1 was studied both in vitro and vivo...
February 5, 2017: International Journal of Biological Macromolecules
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