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https://www.readbyqxmd.com/read/28220505/fractional-microplasma-radiofrequency-technology-for-non-hypertrophic-post-burn-scars-in-asians-a-prospective-study-of-95-patients
#1
Shen Wang, Jing Mi, Qingfeng Li, Rui Jin, Jiying Dong
BACKGROUND: Laser and other energy devices are emerging, minimally invasive treatments for scars. Among the various techniques, fractional microplasma radiofrequency technology (FMRT) has proven to be an effective treatment option for various types of scars and skin conditions such as rhytids, striae distensae, and hyperpigmentation. OBJECTIVE: This prospective clinical trial was designed to evaluate the efficacy and safety of FMRT for treating non-hypertrophic post-burn scars in the Asian population...
February 20, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28218965/physicochemical-characterization-of-a-heat-treated-calcium-alginate-dry-film-prepared-with-chicken-stock
#2
Germán D Báez, Gisela N Piccirilli, Griselda A Ballerini, Agustín Frattini, Pablo A Busti, Roxana A Verdini, Néstor J Delorenzi
Solid sodium alginate was dissolved into chicken stock in order to give a final alginate concentration of 0.9 percent (w/v). Calcium ions present in chicken stock were enough to induce ionic gelation. After drying, Fourier transform infrared spectroscopy, thickness and mechanical properties of films obtained were determined. Calcium alginate-chicken stock films were heated at 130 °C for different times between 0 and 15 min. Mechanical and optical studies, differential scanning calorimetry, visual aspect and scanning electron microscopy were carried out to describe physicochemical properties of heat treated films...
February 20, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28217472/yellow-pseudochromhidrosis-in-a-young-female
#3
Pragya A Nair, Rahul Krishna S Kota, Nishit K Surti, Nilofar G Diwan, Shailee S Gandhi
Chromhidrosis is a rare disorder in which there is pigmentation of sweat in a variety of colors. It can be classified into apocrine, pseudoeccrine, and true eccrine chromhidrosis. Pseudochromhidrosis is a condition in which the excreted sweat is colorless, but later acquires color due to contact with chromogenic chemicals. Systemic and topical antibiotics are the mainstay of treatment. Although it does not constitute a major health issue, it causes psychological stress and social embarrassment. A 20-year-old female presented to us with yellow-colored sweat and discoloration of clothes since 1 month...
January 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/28217471/disseminate-and-recurrent-infundibulo-folliculitis-in-an-indian-patient-a-case-report-with-review-of-literature
#4
Sukumaran Pradeep Nair, Mini Gomathy, Gopinathan Nanda Kumar
A 17-year-old male patient presented with multiple discrete and confluent monomorphic skin-colored pinhead-sized follicular papules, with occasional pustules distributed on the neck, upper chest, upper posterior trunk, and proximal extremities of 4 months duration. The lesions were asymptomatic, and there was no prior history of topical application or history of atopic dermatitis. Routine investigations were normal. Histopathology of the papules showed a mononuclear infiltrate at the infundibulum of the hair follicle...
January 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/28217468/subcutaneous-phaeohyphomycosis-in-an-immunocompetent-individual-a-case-report
#5
Sudharani Chintagunta, Geetakiran Arakkal, Sudha V Damarla, Akshay K Vodapalli
Phaeohyphomycosis is a rare mycotic infection caused by various heterogenous groups of phaeoid (dematiaceous) fungi involving the skin and subcutaneous tissue. Common clinical manifestations are subcutaneous abscesses or cystic swellings. Here, we report a case of subcutaneous phaeohyphomycosis presenting as multiple asymptomatic cystic swellings over the hands and feet without any predisposing factors. Histopathology showed granulomatous inflammation and special stain with Grocott's methanamine silver stain revealed broad pigmented hyphae...
January 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/28216838/color-matching-in-facial-prosthetics-a-systematic-review
#6
REVIEW
Rani Ranabhatt, Kamleshwar Singh, Ramashanker Siddharth, Shuchi Tripathi, Deeksha Arya
Color matching to the surrounding skin is extremely important in patients wearing maxillofacial prostheses. It is of utmost importance to know the different techniques of color matching and coloring in maxillofacial prostheses. The purpose of this study is to review the literature data with regard to color matching in maxillofacial prosthetics. An electronic search of peer review restricted to English language dental literature was conducted to identify the relevant scientific article on color matching and coloring in maxillofacial prostheses...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28215619/the-effect-of-aging-on-the-three-dimensional-aspect-of-the-hand-a-pilot-study
#7
I A Hoevenaren, T S Wesselius, J W Meulstee, R D Vreeken, T J J Maal, D J O Ulrich
BACKGROUND: With the increasing popularity of rejuvenation treatments of the skin, there has been an increase in patient inquiry for rejuvenation of the hand. Thus far, no imaging tool exists to analyze the aging process of the hand. Three-dimensional (3D) stereophotogrammetry is a reliable technique, which is used for other purposes in soft tissue analysis of the upper extremity. This pilot study aimed to investigate the possibility of visualizing the hand aging process by 3D stereophotogrammetry...
January 8, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28203158/a-28-year-old-male-patient-with-nail-tumors-skin-lesions-and-epilepsy
#8
Deepak M W Balak, Bernard A Zonnenberg, Juliette M J Spitzer-Naaijkens, Mieke M Hulshof
BACKGROUND: Tuberous sclerosis complex (TSC) is an autosomal dominant disorder characterized by the development of benign hamartomas in multiple organs. Most patients with TSC exhibit cutaneous manifestations. METHODS: We report a 28-year-old patient with multiple pink papules at the proximal nail fold of several toes. RESULTS: Histopathological analysis of a biopsy of a papule was consistent with an ungual fibroma. Histopathological analysis of a biopsy of an elevated skin-colored plaque at the lower back was diagnostic for a Shagreen patch...
January 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28202469/establishment-and-maintenance-of-sexual-preferences-that-cause-a-reproductive-isolation-between-medaka-strains-in-close-association
#9
Mayuka Ikawa, Emi Ohya, Hiroka Shimada, Makiko Kamijo, Shoji Fukamachi
Animals choose reproductive partners based on their sexual preferences which are established at a certain time point before, during, or after sexual maturation. The preferences are often divergent within a species, which suppresses gene flow between populations and may promote speciation. There are two strains of medaka (Oryzias latipes) that differ by a single transgene and mate assortatively depending on skin color. Here, we demonstrate that symmetrically biased (mutually exclusive) sexual preferences are (1) gradually established during growth depending on skin color and the color of surrounding fish, (2) strong enough to minimize gene flow between the strains at a population level, and (3) inflexibly retained after sexual maturation, even after weeks of daily mating with partners of the other strain...
February 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28188783/disruption-of-melanosome-transport-in-melanocytes-treated-with-theophylline-causes-their-degradation-by-autophagy
#10
Yushi Katsuyama, Norihisa Taira, Masato Yoshioka, Yuri Okano, Hitoshi Masaki
Melanosomes containing melanin are transported from the perinuclear area to the tips of dendrites in epidermal melanocytes, and are then transferred to keratinocytes. Thus, skin color is determined by the amount of melanin synthesized in melanocytes and the subsequent dispersion of melanosomes in the epidermis. Therefore, disrupting intracellular melanosome transport in melanocytes is considered an effective approach to regulate skin color. However, the fate of melanosomes that accumulate in melanocytes due to disrupted intracellular transport is unclear...
February 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28187604/-i-hydrolagus-i-i-erithacus-i-sp-nov-chimaeriformes-chimaeridae-a-new-species-of-chimaerid-from-the-southeastern-atlantic-and-southwestern-indian-oceans
#11
Kristin A Walovich, David A Ebert, Jenny M Kemper
A new species of chimaerid, Hydrolagus erithacus sp. nov., is described from nine specimens collected from the southeast Atlantic and southwest Indian oceans from depths of 470-1,000 meters. This species is distinguished from all other Hydrolagus species based on the following characteristics: head bulky, relatively large, followed by stocky body; head and body height from about pectoral fin origin to pelvic fin origin similar, then tapering rapidly to filamentous tail; first dorsal fin spine height about equal to, or slightly less than first dorsal fin apex height; second dorsal fin up to 81% of total body length and uniform in height; trifurcate claspers forked for approximately 20% of total length; robust frontal tenaculum nearly uniform in width, prepelvic tenaculae with five to seven medial spines, and a uniform black coloration with robust, non-deciduous skin...
January 30, 2017: Zootaxa
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
#12
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/28179126/vitamin-d-deficiency-in-mothers-neonates-and-children
#13
Deena H Elsori, Majeda S Hammoud
Vitamin D is produced in response to the exposure of skin to sunlight through UV-B synthesis. It can also be obtained from diet and dietary supplements. Vitamin D is essential for strong bones as it helps to absorb calcium from diet. Vitamin D deficiency mainly occurs if strict vegetarian diet is followed as mostly the source of vitamin D is animal based; therefore, exposure to sunlight is restricted or having dark skin color. Low vitamin D levels results in increased possibility of gestational diabetes among pregnant women, low birth weight and pre-eclampsia in infants, and mothers may suffer bone impairment, osteoporosis, hypocalcaemia, and hypertension...
February 5, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28178372/antimicrobial-activities-of-phenolic-extracts-derived-from-seed-coats-of-selected-soybean-varieties
#14
Rajaa Abutheraa, Navam Hettiarachchy, Geetha Kumar-Phillips, Ronny Horax, Pengyin Chen, Ruben Morawicki, Young Min Kwon
Soybean hulls or seed coats consist of complex carbohydrates, proteins, lipids, and polyphenols such as anthocyanidins, proanthocyanidins, and isoflavones. The polyphenolics in the seed coats give them various colors such as black, brown, green, yellow, or even a mottled appearance. In this study, the antimicrobial effects of phenolic extracts from the seed coats of different colored soybeans (yellow, dark brown, brown, and black) were evaluated against foodborne pathogens such as Salmonella Typhimurium, Escherichia coli O157:H7, and Campylobacter jejuni in broth-cultures as well as on chicken skin...
February 8, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28178227/preliminary-study-for-designing-a-novel-vein-visualizing-device
#15
Donghoon Kim, Yujin Kim, Siyeop Yoon, Deukhee Lee
Venipuncture is an important health diagnosis process. Although venipuncture is one of the most commonly performed procedures in medical environments, locating the veins of infants, obese, anemic, or colored patients is still an arduous task even for skilled practitioners. To solve this problem, several devices using infrared light have recently become commercially available. However, such devices for venipuncture share a common drawback, especially when visualizing deep veins or veins of a thick part of the body like the cubital fossa...
February 7, 2017: Sensors
https://www.readbyqxmd.com/read/28176337/how-fish-color-their-skin-a-paradigm-for-development-and-evolution-of-adult-patterns-multipotency-plasticity-and-cell-competition-regulate-proliferation-and-spreading-of-pigment-cells-in-zebrafish-coloration
#16
Christiane Nüsslein-Volhard, Ajeet Pratap Singh
Pigment cells in zebrafish - melanophores, iridophores, and xanthophores - originate from neural crest-derived stem cells associated with the dorsal root ganglia of the peripheral nervous system. Clonal analysis indicates that these progenitors remain multipotent and plastic beyond embryogenesis well into metamorphosis, when the adult color pattern develops. Pigment cells share a lineage with neuronal cells of the peripheral nervous system; progenitors propagate along the spinal nerves. The proliferation of pigment cells is regulated by competitive interactions among cells of the same type...
February 3, 2017: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
https://www.readbyqxmd.com/read/28173697/hydrophobic-organic-skin-as-a-protective-shield-for-moisture-sensitive-phosphor-based-optoelectronic-devices
#17
Paulraj Arunkumar, Yoon Hwa Kim, Ha Jun Kim, Sanjith Unithrattil, Won Bin Im
A moisture-stable, red-emitting fluoride phosphor with an organic hydrophobic skin is reported. A simple strategy was employed to form a metal-free, organic, passivating skin using oleic acid (OA) as a hydrophobic encapsulant via solvothermal treatment. Unlike other phosphor coatings that suffer from initial efficiency loss, the OA-passivated K2SiF6:Mn4+ (KSF-OA) phosphor exhibited the unique property of stable emission efficiency. Control of thickness and a highly transparent passivating layer helped to retain the emission efficiency of the material after encapsulation...
February 8, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28170433/cellular-and-ultrastructural-characterization-of-the-grey-morph-phenotype-in-southern-right-whales-eubalaena-australis
#18
Guy D Eroh, Fred C Clayton, Scott R Florell, Pamela B Cassidy, Andrea Chirife, Carina F Marón, Luciano O Valenzuela, Michael S Campbell, Jon Seger, Victoria J Rowntree, Sancy A Leachman
Southern right whales (SRWs, Eubalena australis) are polymorphic for an X-linked pigmentation pattern known as grey morphism. Most SRWs have completely black skin with white patches on their bellies and occasionally on their backs; these patches remain white as the whale ages. Grey morphs (previously referred to as partial albinos) appear mostly white at birth, with a splattering of rounded black marks; but as the whales age, the white skin gradually changes to a brownish grey color. The cellular and developmental bases of grey morphism are not understood...
2017: PloS One
https://www.readbyqxmd.com/read/28170119/lateral-arm-free-tissue-transfer-for-parotid-reconstruction-a-pictorial-essay
#19
Stephen Y Kang, Matthew O Old, Theodoros N Teknos
BACKGROUND: The goals of parotid reconstruction are to provide accurate volume reconstruction of the defect while minimizing ptosis, optimize color match to surrounding facial skin, maintain anatomic position of the auricle, and to perform facial nerve rehabilitation in cases in which the facial nerve is removed. METHODS AND RESULTS: For many complex parotid defects, the lateral arm free tissue transfer achieves these reconstructive goals and is the ideal donor site for microvascular reconstruction...
February 7, 2017: Head & Neck
https://www.readbyqxmd.com/read/28165149/post-metamorphic-development-of-skin-glands-in-a-true-toad-parotoids-versus-dorsal-skin
#20
Eleonora Regueira, Camila Dávila, Alina G Sassone, María E Ailín O'Donohoe, Gladys N Hermida
Chemical defenses in amphibians are a common antipredatory and antimicrobial strategy related to the presence of dermal glands that synthesize and store toxic or unpalatable substances. Glands are either distributed throughout the skin or aggregated in multiglandular structures, being the parotoids the most ubiquitous macrogland in toads of Bufonidae. Even though dermal glands begin to develop during late-larval stages, many species, including Rhinella arenarum, have immature glands by the end of metamorphosis, and their post-metamorphic growth is unknown...
February 6, 2017: Journal of Morphology
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