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https://www.readbyqxmd.com/read/28239840/melasma-systematic-review-of-the-systemic-treatments
#1
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/28239698/beneficial-effects-of-apple-peel-polyphenols-on-vascular-endothelial-dysfunction-and-liver-injury-in-high-choline-fed-mice
#2
Mengfan Jia, Daoyuan Ren, Yan Nie, Xingbin Yang
This study was designed to investigate the preventive effects of Red Fuji apple peel polyphenolic extract (APP) on vascular endothelial dysfunction and liver injury in mice fed a high choline diet. The mice were fed 3% dietary choline in drinking water for 8 weeks and displayed vascular dysfunction and liver damage (p < 0.01). The administration of APP at 600 and 900 mg per kg bw significantly elevated serum NO, HDL and 6-Keto-PGF1a levels and lowered serum TC, TG, LDL, ET-1 and TXB2 levels in the HC-fed mice...
February 27, 2017: Food & Function
https://www.readbyqxmd.com/read/28235839/sexual-partner-characteristics-and-incident-rectal-neisseria-gonorrhoeae-and-chlamydia-trachomatis-infections-among-gay-men-and-other-men-who-have-sex-with-men-msm-a-prospective-cohort-in-abuja-and-lagos-nigeria
#3
Habib O Ramadhani, Hongjie Liu, Rebecca G Nowak, Trevor A Crowell, Teclaire Ndomb, Charlotte Gaydos, Sheila Peel, Nicaise Ndembi, Stefan D Baral, Julie Ake, Man E Charurat
BACKGROUND: STIs including Neisseria gonorrhoeae (NG) and Chlamydia trachomatis (CT) potentiate HIV acquisition and transmission especially among gay men and other men who have sex with men (MSM). We investigated the influence of sexual network composition on incident rectal NG and/or CT infections among Nigerian MSM. METHODS: TRUST/RV368 is a cohort of MSM recruited using respondent-driven sampling at trusted community centres in Abuja and Lagos, Nigeria. MSM respondents (egos) provided STI risk factors and demographic information for up to five of their most recent sexual partners (alters) within their sexual networks...
February 24, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28231538/biochars-with-excellent-pb-ii-adsorption-property-produced-from-fresh-and-dehydrated-banana-peels-via-hydrothermal-carbonization
#4
Nan Zhou, Honggang Chen, Junting Xi, Denghui Yao, Zhi Zhou, Yun Tian, Xiangyang Lu
Fresh and dehydrated banana peels were used as biomass feedstock to produce highly effective sorbent biochars through a facile one-step hydrothermal carbonization approach with 20%vol phosphoric acid as the reaction medium. The elemental ratio of oxygen content of the two as-prepared biochars were about 20%, and the FT-IR analysis confirmed the existence of abundant surface functional groups such as hydroxyl and carboxyl which greatly enhanced the adsorption performance. The sorbents showed excellent lead clarification capability of 359mg·g(-1) and 193mg·g(-1) for dehydrated and fresh banana peels based biochars, respectively...
February 12, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28229524/dermal-morphological-changes-following-salicylic-acid-peeling-and-microdermabrasion
#5
Amira A Abdel-Motaleb, Eman E Abu-Dief, Mahmoud Ra Hussein
BACKGROUND: Microdermabrasion and chemical peeling are popular, inexpensive, and safe methods for treatment of some skin disorders and to rejuvenate skin. OBJECTIVES: To study the alterations of the dermal connective tissue following salicylic acid peeling and microdermabrasion. METHODS: Twenty patients were participated in our study. All participants underwent facial salicylic acid 30% peel or microdermabrasion (10 cases in each group) weekly for 6 weeks...
February 22, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28228539/three-dimensional-printing-spiders-back-and-forth-glue-application-yields-silk-anchorages-with-high-pull-off-resistance-under-varying-loading-situations
#6
Jonas O Wolff, Marie E Herberstein
The anchorage of structures is a crucial element of construction, both for humans and animals. Spiders use adhesive plaques to attach silk threads to substrates. Both biological and artificial adhesive structures usually have an optimal loading angle, and are prone to varying loading situations. Silk anchorages, however, must cope with loading in highly variable directions. Here we show that the detachment forces of thread anchorages of orb-web spiders are highly robust against pulling in different directions...
February 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28225722/efficacy-of-the-inverted-internal-limiting-membrane-flap-technique-with-vitrectomy-for-retinal-detachment-associated-with-myopic-macular-holes
#7
Ryo Baba, Yoshihiro Wakabayashi, Kazuhiko Umazume, Tomoaki Ishikawa, Hiromichi Yagi, Daisuke Muramatsu, Hiroshi Goto
PURPOSE: To evaluate the anatomical and functional outcome of the inverted internal limiting membrane (ILM) flap technique with vitrectomy for retinal detachment associated with macular hole (MHRD) in highly myopic eyes. METHODS: In this retrospective observational study, 21 eyes with MHRD that underwent vitrectomy with conventional ILM peeling (ILM-peeling group, n = 11) or the inverted ILM flap technique (ILM flap group, n = 10) combined with C3F8 tamponade were enrolled in this study...
March 2017: Retina
https://www.readbyqxmd.com/read/28225721/superficial-foveal-avascular-zone-determined-by-optical-coherence-tomography-angiography-before-and-after-macular-hole-surgery
#8
Takayuki Baba, Masato Kakisu, Tomohiro Nizawa, Toshiyuki Oshitari, Shuichi Yamamoto
PURPOSE: To determine the size of the superficial foveal avascular zone (FAZ) by optical coherence tomography angiography before and after surgery for an idiopathic macular hole. METHODS: A retrospective, observational case series, in which 16 eyes of 16 patients with an idiopathic macular hole were studied. Pars plana vitrectomy was performed with internal limiting membrane peeling. The foveal retinal vasculature was examined by optical coherence tomography angiography, and the area of the superficial FAZ was determined before, and at 1 and 3 months after the surgery...
March 2017: Retina
https://www.readbyqxmd.com/read/28224016/characterization-of-major-metabolites-of-polymethoxylated-flavonoids-in-pericarpium-citri-reticulatae-using-liver-microsomes-immobilized-on-magnetic-nanoparticles-coupled-with-uplc-ms-ms
#9
Jun Lei, Ying Xue, Yi-Ming Liu, Xun Liao
The peels of citrus fruits (Pericarpium Citri Reticulatae, PCR) have long been used in traditional Chinese medicines (TCMs). Polymethoxylated flavonoids (PMFs) were found to be the main components present in PCR extracts, but their metabolism remains unclear which restrain the utilization of this TCM. In the present work, rat liver microsomes were immobilized on magnetic nanoparticles (LMMNPs) for in vitro metabolic study on the whole PMFs of PCR. LMMNPs were characterized by transmission electron microscope and Fourier-transform infrared spectrum...
2017: Chemistry Central Journal
https://www.readbyqxmd.com/read/28223764/a-case-of-late-onset-peeling-skin-syndrome-likely-triggered-by-irritation
#10
Sung Jay Choe, Bo-Kyung Kim, Solam Lee, Hana Bak, Jin Wook Lee, Sung Ku Ahn
No abstract text is available yet for this article.
February 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28223752/a-case-of-terra-firma-forme-dermatosis-treated-with-salicylic-acid-alcohol-peeling
#11
Sin Wook Chun, Suk Young Lee, Jong Baik Kim, Hoo Min Choi, Byung In Ro, Han Kyoung Cho
Terra firma-forme dermatosis (TFFD) is a bizarre, acquired and idiopathic dermatosis that etiology has still not been fully defined. It is characterized by the presence of asymptomatic, brownish dirt-like lesion maybe due to disorder of keratinization. These lesions cannot be removed with ordinary cleansing. Therefore, TFFD can be differentiated from dermatosis neglecta. Patient was a 17-year-old man with brownish lesions on his face for 1 month. The patient had a history of regular washing habit with soap and water...
February 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28222258/a-simple-and-large-scale-strategy-to-prepare-flexible-graphene-tape-electrode
#12
Li Wang, Jie Yu, Yayun Zhang, Han Yang, Longfei Miao, Yonghai Song
A simple and large-scale strategy to prepare flexible graphene tape electrode (GTE) was proposed. The flexible GTE was prepared by a facile peeling method in which a piece of commercial graphite foil was firstly covered by a commercial acrylic transparent tape and then the transparent adhesive tape was quickly torn off from the graphite foil. Scanning electron microscopy results showed that some folded and wrinkled graphene layers stood up on the GTE surface to form three-dimensional (3D) porous graphene foam...
February 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28222179/seed-and-peel-essential-oils-obtained-from-campomanesia-adamantium-fruit-inhibit-inflammatory-and-pain-parameters-in-rodents
#13
Danieli Zuntini Viscardi, Jucicléia da Silva Arrigo, Camila de Azevedo Chaves Correia, Cândida Aparecida Leite Kassuya, Claudia Andrea Lima Cardoso, Iriani Rodrigues Maldonade, Eliana Janet Sanjinez Argandoña
Campomanesia adamantium (Myrtaceae) is popularly known as "gabiroba" and has been used in folk medicine as antirheumatic, antidiarrheal, hypocholesterolemic and anti-inflammatory. This study evaluated the anti-inflammatory and antinociceptive activities and toxicology of essential oils from peel (EOP) and seed (EOS) of C. adamantium fruits in animal models. Different groups were treated with doses of 100 and 300 mg/kg and the inflammatory parameters were evaluated in carrageenan induced paw oedema and leukocyte migration in pleurisy model, while antinociceptive activity was evaluated using formalin method in rodents...
2017: PloS One
https://www.readbyqxmd.com/read/28221859/effects-of-methanolic-pomegranate-peel-extract-on-the-chemical-sensory-textural-and-microbiological-properties-of-gutted-rainbow-trout-oncorhynchus-mykiss-during-frozen-storage
#14
Enayat Berizi, Seyed Shahram Shekarforoush, Saeid Hosseinzadeh
The effects of methanolic pomegranate peel extract (MPPE) on the quality of gutted rainbow trout ( Oncorhynchus mykiss ) were examined periodically during 6 months of storage at -18°C. Fresh samples were dipped (ratio of fish to liquid, 1:2 [wt/vol]) in sterile water or in sterile water containing 1, 2, or 4% (wt/vol) MPPE and packed in low-density polyethylene pouches. The control and treated samples were analyzed monthly for microbiological, chemical, sensory, and textural characteristics. Microbial growth in samples was significantly reduced by MPPE treatment (P < 0...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221853/is-there-a-relation-between-the-microscopic-leaf-morphology-and-the-association-of-salmonella-and-escherichia-coli-o157-h7-with-iceberg-lettuce-leaves
#15
Inge VAN der Linden, Markus Eriksson, Mieke Uyttendaele, Frank Devlieghere
To prevent contamination of fresh produce with enteric pathogens, more insight into mechanisms that may influence the association of these pathogens with fresh produce is needed. In this study, Escherichia coli O157:H7 and Salmonella were chosen as model pathogens, and fresh cut iceberg lettuce was chosen as a model fresh produce type. The morphological structure of iceberg lettuce leaves (stomatal density and length of cell margins per leaf area) was quantified by means of leaf peels and light microscopy of leaves at different stages of development (outer, middle, and inner leaves of the crop) on both leaf sides (abaxial and adxial) and in three leaf regions (top, center, and bottom)...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221260/double-arcuate-relaxing-retinotomy-for-a-large-macular-hole
#16
Murat Karacorlu, Isil Sayman Muslubas, Mumin Hocaoglu, Serra Arf, Mehmet Giray Ersoz
PURPOSE: To describe double arcuate relaxing retinotomy as an alternative surgical technique in a case with a secondary large macular hole. METHODS: The management of a patient who developed a large macular hole and macular tractional rhegmatogenous retinal detachment after pars plana vitrectomy for proliferative diabetic retinopathy was retrospectively assessed. Despite surgical procedures, such as dissection of a preretinal membrane from the retina and peeling of the retinal internal limiting membrane, the macular hole could not be closed...
February 17, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28217915/fast-and-simultaneous-determination-of-12-polyphenols-in-apple-peel-and-pulp-by-using-chemometrics-assisted-high-performance-liquid-chromatography-with-diode-array-detection
#17
Tong Wang, Hai-Long Wu, Li-Xia Xie, Li Zhu, Zhi Liu, Xiao-Dong Sun, Rong Xiao, Ru-Qin Yu
In this work, a smart chemometrics-enhanced strategy, high-performance liquid chromatography and diode array detection coupled with second-order calibration method based on alternating trilinear decomposition algorithm was proposed to simultaneously quantify 12 polyphenols in different kinds of apple peel and pulp samples. The proposed strategy proved to be a powerful tool to solve the problems of co-elution, unknown interferences and chromatographic shifts in the process of high-performance liquid chromatography analysis, making it possible for the determination of 12 polyphenols in complex apple matrices within 10 min under simple conditions of elution...
February 20, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28215068/comprehensive-ms-and-solid-state-nmr-metabolomic-profiling-reveals-molecular-variations-in-native-periderms-from-four-solanum-tuberosum-potato-cultivars
#18
Wenlin Huang, Olga Serra, Keyvan Dastmalchi, Liqing Jin, Lijia Yang, Ruth E Stark
The potato (Solanum tuberosum L.) ranks third in worldwide consumption among food crops. Whereas disposal of potato peels poses significant challenges for the food industry, secondary metabolites in these tissues are also bioactive and essential to crop development. The diverse primary and secondary metabolites reported in whole tubers and wound-healing tissues prompted a comprehensive profiling study of native periderms from four cultivars with distinctive skin morphologies and commercial food uses. Polar and nonpolar soluble metabolites were extracted concurrently, analyzed chromatographically, and characterized with mass spectrometry; the corresponding solid interfacial polymeric residue was examined by solid-state 13C NMR...
February 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28211510/broadband-gradient-impedance-matching-using-an-acoustic-metamaterial-for-ultrasonic-transducers
#19
Zheng Li, Dan-Qing Yang, Shi-Lei Liu, Si-Yuan Yu, Ming-Hui Lu, Jie Zhu, Shan-Tao Zhang, Ming-Wei Zhu, Xia-Sheng Guo, Hao-Dong Wu, Xin-Long Wang, Yan-Feng Chen
High-quality broadband ultrasound transducers yield superior imaging performance in biomedical ultrasonography. However, proper design to perfectly bridge the energy between the active piezoelectric material and the target medium over the operating spectrum is still lacking. Here, we demonstrate a new anisotropic cone-structured acoustic metamaterial matching layer that acts as an inhomogeneous material with gradient acoustic impedance along the ultrasound propagation direction. When sandwiched between the piezoelectric material unit and the target medium, the acoustic metamaterial matching layer provides a broadband window to support extraordinary transmission of ultrasound over a wide frequency range...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28210390/a-case-of-lichen-planus-pigmentosus-with-facial-dyspigmentation-responsive-to-combination-therapy-with-chemical-peels-and-topical-retinoids
#20
Marisa Wolff, Nina Sabzevari, Charles Gropper, Cindy Hoffman
Lichen planus pigmentosus is a photodistributed dyschromia of unknown etiology described clinically as hyperpigmented gray-blue or brown-black macules or patches in a photodistributed pattern. Although there has been some debate, lichen planus pigmentosus is considered by many to be a separate diagnostic entity from ashy dermatosis or erythema dyschromicum perstans, which shares similar characteristics. Various treatment strategies have been applied to help resolve or improve the appearance of lichen planus pigmentosus lesions; however, an optimal treatment method is yet to be elucidated...
November 2016: Journal of Clinical and Aesthetic Dermatology
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