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Miguel Alejandro Silva Rua, Celia Raquel Quirino, Ana Cláudia Cerqueira Rodrigues, Mirela Mendes Christo, Marcus Antônio Pessanha Barreto
The objective of this study was to evaluate the environmental effects on embryo recovery rate and pregnancy rate of Mangalarga Marchador mares. The reproductive characteristics of donor and recipient mares were evaluated during five years in Brazilian tropical environment. The mares were used throughout the year and seasons were classified as: October to April (breeding season - BS); May (autumn transition out of the breeding season - ATBS); June to August (non-breeding season - nBS); and September (vernal transition into the breeding season - VTBS)...
May 15, 2018: Animal Reproduction Science
Jennifer Kempf, Roger H Melliger, Claudia E Reusch, Peter H Kook
OBJECTIVE To evaluate the effects of storage conditions and duration on cobalamin concentration in serum samples from dogs and cats. DESIGN Experiment. SAMPLE Serum samples from 9 client-owned cats and 9 client-owned dogs. PROCEDURES Serum harvested from freshly obtained blood samples was separated into 11 aliquots/animal. One aliquot (baseline sample) was routinely transported in light-protected tubes to the laboratory for cobalamin assay; each of the remaining aliquots was stored in a refrigerator (6°C; n = 5) or at room temperature (20°C) with exposure to daylight (5) for 24, 48, 72, 96, or 120 hours...
June 1, 2018: Journal of the American Veterinary Medical Association
E Mitsai, A Kuchmizhak, E Pustovalov, A Sergeev, A Mironenko, S Bratskaya, D P Linklater, A Balčytis, E Ivanova, S Juodkazis
All-dielectric resonant micro- and nano-structures made of high-index dielectrics have recently emerged as a promising surface-enhanced Raman scattering (SERS) platform which can complement or potentially replace the metal-based counterparts in routine sensing measurements. These unique structures combine the highly-tunable optical response and high field enhancement with the non-invasiveness, i.e. chemically non-perturbing the analyte, simple chemical modification and recyclability. Meanwhile, commercially competitive fabrication technologies for mass production of such structures are still missing...
May 16, 2018: Nanoscale
Erica L Heipertz, Jourdan Harper, Charlie A Lopez, Erol Fikrig, Michael E Hughes, Wendy E Walker
Circadian rhythms coordinate an organism's activities and biological processes to the optimal time in the 24-h daylight cycle. We previously demonstrated that male C57BL/6 mice develop sepsis more rapidly when the disease is induced in the nighttime versus the daytime. In this report, we elucidate the mechanism of this diurnal difference. Sepsis was induced via cecal ligation and puncture (CLP) at zeitgeber time (ZT)-19 (2 am) or ZT-7 (2 pm). Like the males used in our prior study, female C57BL/6 mice had a worse outcome when CLP was induced at ZT-19 versus ZT-7, and these effects persisted when we pooled the data from both sexes...
May 14, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
Claudia Feitosa-Santana, Margaret Lutze, Pablo A Barrionuevo, Dingcai Cao
Based on known color vision theories, there is no complete explanation for the perceptual dichotomy of #TheDress in which most people see either white-and-gold (WG) or blue-and-black (BK). We determined whether some standard color vision tests (i.e., color naming, color matching, anomaloscope settings, unique white settings, and color preferences), as well as chronotypes, could provide information on the color perceptions of #TheDress. Fifty-two young observers were tested. Fifteen of the observers (29%) reported the colors as BK, 21 (40%) as WG, and 16 (31%) reported a different combination of colors...
March 2018: I-Perception
Ichiro Kuriki
The purpose of the present study is to propose a simple algorithm for color appearance simulation under a color illuminant. Achromatic point is a chromaticity of rays that appear neither red nor green, neither blue nor yellow under a given illuminant condition. Saturation and hue of surface colors are evaluated with respect to the achromatic point of the same lightness, while the achromatic point under a colored illuminant depends on the lightness tested. We previously found that this achromatic point locus can be simply approximated as a line with a parallel offset from the lightness axis of CIE LAB space normalized to daylight...
March 2018: I-Perception
Shabnam Arbab, Jonathan A Brindle, Barbara S Matusiak, Christian A Klöckner
This article elaborates on the results of a field experiment conducted among speakers of the Chakali language, spoken in northern Ghana. In the original study, the Color-aid Corporation Chart was used to perform the focal task in which consultants were asked to point at a single colour tile on the chart. However, data from the focal task could not be analysed since the Color-aid tiles had not yet been converted into numerical values set forth by the Commission internationale de l'éclairage (CIE). In this study, the full set of 314 Color-aid tiles were measured for chromaticity and converted into the CIE values at the Daylight Laboratory of the Norwegian University of Science and Technology...
March 2018: I-Perception
Colin A Morton, Lasse R Braathen
Topical photodynamic therapy (PDT) using daylight is effective in the treatment of actinic keratoses (AKs), offering the potential for treatment of large fields such as full face and balding scalp, but with minimal therapy-associated pain. Comparison with conventional PDT indicates similar efficacy for thin and moderate-thickness AKs, but with significantly less discomfort/pain, driving a patient preference for daylight-mediated PDT (DL-PDT) compared with conventional PDT using high-intensity office/hospital-based light sources...
May 11, 2018: American Journal of Clinical Dermatology
Sonja Soininen, Aino-Maija Eloranta, Anna Viitasalo, Geneviève Dion, Arja Erkkilä, Virpi Sidoroff, Virpi Lindi, Anitta Mahonen, Timo A Lakka
Context: The associations of serum 25-hydroxyvitamin D (25(OH)D) with plasma lipids remain controversial in children. Objective: To examine the associations and interactions of 25(OH)D and related gene variants with lipids in children. Design: Cross-sectional. Setting: City of Kuopio, Finland. Participants: Population sample of 419 prepubertal Caucasian children aged 6-8 years. Main Outcome Measures: 25(OH)D, total cholesterol (TC), low-density lipoprotein cholesterol (LDLC), high-density lipoprotein cholesterol (HDLC), and triglycerides...
May 9, 2018: Journal of Clinical Endocrinology and Metabolism
Jeanette Kaae, Peter Alshede Philipsen, Hans Christian Wulf
INTRODUCTION: Necrobiosis lipoidica (NL) is a rare, treatment-resistant, granulomatous skin disease of unknown origin, frequently seen in patients with diabetes. METHODS: In this retrospective study we evaluated the long-term efficacy of methyl aminolaevulinate-based photodynamic therapy (MAL-PDT), including 80 treatments (70 conventional and 10 daylight PDT), on 65 unselected NL patients treated routinely in our clinic. Superficial curettage, avoiding skin oozing or bleeding, was performed prior to MAL application...
May 4, 2018: Photodiagnosis and Photodynamic Therapy
Fei Xu, Na Yang, Yu-Han Liang, Qi-Jin He, Mei-Wen Zhang, Zi-Han Wang, Yi-Wei Shen, Hai-Zheng Li, Xue-Qian Wang, Lai-Xiang Lin
Objective: To investigate the influence of deep slow-wave sleep deprivation on the oxidative stress of testicular tissue in rats. METHODS: Thirty-six 5-week-old male Wistar rats were equally randomized into deep slow-wave sleep deprivation group (SD1), deep slow-wave sleep and duration sleep deprivation group ( SD2), and a cage control group (CC). The rat model of deep slow-wave sleep deprivation was established using the flowerpot technique. The rats in the SD1 group were interfered every 24 minutes and deprived of 12 hours of sleep at night, those in the SD2 group deprived of 8 minutes of sleep at an interval of 24 minutes and 12 hours of sleep at night, and those in the CC group exposed to 12 hours of daylight and 12 hours of darkness...
August 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
Gyeong Woo Kim, Raju Lampande, Dong Cheol Choe, Ik Jang Ko, Jin Hwan Park, Ramchandra Pode, Jang Hyuk Kwon
Transparent organic light emitting diodes (TOLED) have widespread applications in the next-generation display devices particularly in the large size transparent window and interactive displays. Herein, we report high performance and stable attractive smart window displays using facile process. Advanced smart window display is realized by integrating the high performance light blocking screen and highly transparent white OLED panel. The full smart window display reveals a maximum transmittance as high as 64...
April 2, 2018: Optics Express
Paul McCrorie, David Walker, Anne Ellaway
BACKGROUND: Large-scale primary data collections are complex, costly, and time-consuming. Study protocols for trial-based research are now commonplace, with a growing number of similar pieces of work being published on observational research. However, useful additions to the literature base are publications that describe the issues and challenges faced while conducting observational studies. These can provide researchers with insightful knowledge that can inform funding proposals or project development work...
April 30, 2018: JMIR Research Protocols
Zheng-Yi Li, Hong-Kui Su, Hong-Xiao Tong, Yue Yin, Tangxin Xiao, Xiao-Qiang Sun, Juli Jiang, Leyong Wang
A novel calix[4]arene based chemosensor L which contains coumarin and thiourea group has been synthesized and characterized. Interestingly, probe L exhibits both fluorescent and colorimetric response to fluoride anion with high selectivity and sensitivity. The addition of F- to a solution of probe L resulted in obvious naked-eye color change from colorless to orange under daylight and prominent fluorescence quenching. Further studies showed that the recognition process was less affected by other anions. The binding property of L with F- was studied by a combination of combination of various spectroscopic techniques, such as absorption spectra, fluorescence titration, Job's plot and 1 H NMR titration...
April 21, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
Joanne E Porter, Robyn Cant, Karen Missen, Anita Raymond, Anne Churchill
Nursing management of physical deterioration of patients within acute mental health settings is observed, recorded, and actively managed with the use of standardized Adult Deterioration Detection System (ADDS) charts. Patient deterioration may require the urgent assistance of a hospital rapid response or Medical Emergency Team. A five-and-a-half-year (2011-2016) audit of hospital-wide Medical Emergency Team attendances was conducted in an acute mental health unit of a single large 250 bed regional hospital in Victoria, Australia...
April 27, 2018: International Journal of Mental Health Nursing
Stepan Rusnak, Vaclav Salcman, Lenka Hecova, Zdenek Kasl
The growth in the prevalence of myopia leads to the growth of socioeconomic stress in society. It is important to detect any potential risk factors leading to myopia onset and progression. Among the potential risk factors, the lack of natural daylight exposure and the lack of the physical activity together with excess of near-work activities in children are the most prevalent. In the study, the axial length growth depending on the season and the type of behaviour was measured. The assessment was performed in 12-year-old children, 398 eyes of whom were included and measured during the winter and summer period...
2018: Journal of Ophthalmology
Max Rybarski, Lutz Schmitz, Ben Novak, Thomas Dirschka
Actinic keratoses (AKs) represent in-situ squamous cell carcinomas that potentially invade subepidermal structures and may metastasize. Until now, it is unpredictable to determine which AK lesions show this aggressive behaviour. As AKs usually occur in large sun exposed areas, field-directed treatments have become the standard treatment regimen. Among these, conventional photodynamic therapy (cPDT) with 5- aminolaevulinic acid (ALA) or methyl-aminolevulinate (MAL) using red light is particularly effective in the treatment of AKs, but acceptance of the therapy is impaired by severe pain during treatment...
April 19, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
Rolf-Markus Szeimies
Photodynamic Therapy (PDT) with methyl aminolevulinate (MAL) is an established and efficacious method for the treatment of non-melanoma skin cancer. However, treatment of especially larger areas often leads to pain, stinging and burning sensation during illumination. The use of daylight (DL) during MAL incubation was investigated in clinical trials and compared to conventional illumination with red LEDs. All clinical trials on MAL DL-PDT show it to be considerably and statistically significantly less associated with pain than conventional PDT while being as efficacious...
April 19, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
Maria C Fargnoli
INTRODUCTION: Conventional photodynamic therapy (c-PDT) is an established successful treatment for non-melanoma skin cancers (NMSC). Daylight PDT (DL-PDT) was introduced to overcome the main inconveniencies associated with c-PDT such as pain during illumination and long clinic visits. DL-PDT was shown to have similar short-term efficacy to c-PDT for the treatment of mild/moderate AKs but it is associated with better tolerability. Since AKs tend to regress and reoccur over time, data on long-term efficacy of DL-PDT become crucial...
April 19, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
Hans C Wulf
BACKGROUND: Conventional photodynamic therapy (PDT) is associated with side effects, primarily related to the waiting time between pre-treatment with application of photosensitizer and illumination. Pain during illumination is a major issue for the patients and options for effective pain relief are limited. Post-treatment inflammation can often be severe and cause inconvenient down-time for the patients and their employers. METHODS: To avoid the problems of pain and patients crowding in the clinic we eliminated red light treatment of high PpIX concentration and introduced illumination in daylight which may be performed at home...
April 19, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
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