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https://www.readbyqxmd.com/read/28437930/si-traceable-measurement-of-an-optical-frequency-at-the-low-10-sup-16-sup-level-without-a-local-primary-standard
#1
Hidekazu Hachisu, Gérard Petit, Fumimaru Nakagawa, Yuko Hanado, Tetsuya Ido
SI-traceable measurements of optical frequencies using International Atomic Time (TAI) do not require a local primary frequency reference, but suffer from an uncertainty in tracing to the SI second. For the measurement of the <sup>87</sup>Sr lattice clock transition, we have reduced this uncertainty to the low 10<sup>-16</sup> level by averaging three sets of ten-day intermittent measurements, in which we operated the lattice clock for 10<sup>4</sup> s on each day. Moreover, a combined oscillator of two hydrogen masers was employed as a local flywheel oscillator (LFO) in order to mitigate the impact of sporadic excursion of LFO frequency...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437717/traumatic-axonal-injury-a-clinical-pathological-correlation
#2
N Davceva, A Sivevski
Traumatic axonal injury (TAI) is a distinct clinicopathological entity that can cause serious impairment of the brain function and can sometimes be found as a concrete cause of death. It has been discussed from the perspective of its biomechanical importance, and also from the standpoint of certain criteria for the pathological diagnosis of TAI. However, since the time when DAI (diffuse axonal injury) was initially described, there have been few, if any, discussions about the clinical-pathological correlation in TAI...
April 14, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28437150/cost-of-cancer-related-neutropenia-or-fever-hospitalizations-united-states-2012
#3
Eric Tai, Gery P Guy, Angela Dunbar, Lisa C Richardson
PURPOSE: Neutropenia and subsequent infections are life-threatening treatment-related toxicities of chemotherapy. Among patients with cancer, hospitalizations related to neutropenic complications result in substantial medical costs, morbidity, and mortality. Previous estimates for the cost of cancer-related neutropenia hospitalizations are based on older and limited data. This study provides nationally representative estimates of the cost of cancer-related neutropenia hospitalizations...
April 24, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28436701/two-cytotoxic-6-7-seco-spiro-lacton-ent-kauranoids-from-isodon-rubescens
#4
Guo-Yong Luo, Rui Deng, Jing-Jie Zhang, Jiang-Hai Ye, Lu-Tai Pan
The present study was performed to investigate the chemical components of the branches and leaves of Isodon rubescens. Two 6,7-seco-spiro-lacton-ent-kauranoids were obtained. Based on the extensive spectroscopic analyses, their structures were elucidated as 6-epi-11-O-acetylangustifolin (1) and 11-O-acetylangustifolin (2), respectively. The structure of 2 was further comfirmed by X-ray crystallography analysis. MTT method was employed to evaluate their cytotoxity against human lung cancer cell lines A549 and leukemia cell lines K562...
April 24, 2017: Journal of Asian Natural Products Research
https://www.readbyqxmd.com/read/28436583/physical-activity-and-exercise-for-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#5
REVIEW
Louise J Geneen, R Andrew Moore, Clare Clarke, Denis Martin, Lesley A Colvin, Blair H Smith
BACKGROUND: Chronic pain is defined as pain lasting beyond normal tissue healing time, generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep disturbances, poor quality of life, and healthcare costs. Chronic pain has a weighted mean prevalence in adults of 20%.For many years, the treatment choice for chronic pain included recommendations for rest and inactivity. However, exercise may have specific benefits in reducing the severity of chronic pain, as well as more general benefits associated with improved overall physical and mental health, and physical functioning...
April 24, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28436581/pediatric-acute-lymphoblastic-leukemia-with-t-1-19-tcf3-pbx1-in-taiwan
#6
Hsiu-Ju Yen, Shih-Hsiang Chen, Tsung-Yen Chang, Chao-Ping Yang, Dong-Tsamn Lin, Iou-Jih Hung, Kai-Hsin Lin, Jiann-Shiuh Chen, Chih-Cheng Hsiao, Tai-Tsung Chang, Te-Kao Chang, Ching-Tien Peng, Ming-Tsan Lin, Tang-Her Jaing, Hsi-Che Liu, Shiann-Tarng Jou, Meng-Yao Lu, Chao-Neng Cheng, Jiunn-Ming Sheen, Shyh-Shin Chiou, Giun-Yi Hung, Kang-Hsi Wu, Ting-Chi Yeh, Shih-Chung Wang, Rong-Long Chen, Hsiu-Hao Chang, Yung-Li Yang, Shu-Huey Chen, Shin-Nan Cheng, Yu-Hsiang Chang, Bow-Wen Chen, Yuh-Lin Hsieh, Fang-Liang Huang, Wan-Ling Ho, Jinn-Li Wang, Chia-Yau Chang, Yu-Hua Chao, Pei-Chin Lin, Yu-Chieh Chen, Yu-Mei Liao, Tung-Huei Lin, Lee-Yung Shih, Der-Cherng Liang
BACKGROUND: In childhood acute lymphoblastic leukemia (ALL), t(1;19)(q23;p13.3) with TCF3-PBX1 fusion is one of the most frequent translocations. Historically, it has been associated with poor prognosis. Intensive treatment, however, has improved its outcome. We determined the outcome of children with this genotype treated with contemporary intensive chemotherapy in Taiwan. PROCEDURE: In Taiwan Pediatric Oncology Group 2002 ALL studies, genotypes were determined by cytogenetic analysis and/or reverse transcriptase polymerase chain reaction assay...
April 24, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28436215/multilayer-nanofilms-via-inkjet-printing-for-stabilizing-growth-factor-and-designing-desired-cell-developments
#7
Moonhyun Choi, Hee Ho Park, Daheui Choi, Uiyoung Han, Tai Hyun Park, Hwankyu Lee, Juhyun Park, Jinkee Hong
Biologically versatile basic fibroblast growth factor (bFGF), well known for roles of signaling molecules between cells and regulating various cellular processes, has been proven to utilize specific functionalities. However, the remarkable functions are inclinable to dwindle with decrease of bFGFs' activity. In nanoscale, developing thin films with intrinsic characteristics of building molecules can facilitate handling various materials for desired purposes. Fabricating nanofilm and handling sensitive materials without detriment to activity via highly productive manufacturing are significant for practical uses in the field of biomedical applications...
April 24, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28435776/-self-peel-off-transfer-produces-ultrathin-polyvinylidene-fluoride-based-flexible-nanodevices
#8
Yanlong Tai, Gilles Lubineau
Here, a new strategy, self-peel-off transfer, for the preparation of ultrathin flexible nanodevices made from polyvinylidene-fluoride (PVDF) is reported. In this process, a functional pattern of nanoparticles is transferred via peeling from a temporary substrate to the final PVDF film. This peeling process takes advantage of the differences in the work of adhesion between the various layers (the PVDF layer, the nanoparticle-pattern layer and the substrate layer) and of the high stresses generated by the differential thermal expansion of the layers...
April 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28435298/therapeutic-outcome-of-nasopharyngeal-carcinoma-with-cranial-nerve-palsy-a-single-institution-experience-of-104-patients
#9
Chun-Chieh Huang, Fu-Min Fang, Hui-Chun Chen, Hsuan-Chih Hsu, Tai-Lin Huang, Yu-Li Su, Ya-Chun Chang
PURPOSE: Cranial nerve (CN) palsy is the main symptom in patients with locally advanced nasopharyngeal carcinoma (NPC). This study aimed to evaluate the therapeutic outcome of NPC with CN palsy and to analyze the prognostic factors. PATIENTS AND METHODS: A total of 104 NPC patients with CN palsy curatively treated by conventional (n=44) or conformal (n=60) radiotherapy (RT) were enrolled. Upper CN palsy was present in 81 patients, lower CN palsy in four patients, and both upper and lower CN palsy in 19 patients...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28435135/noninvasive-delivery-of-oligonucleotide-by-penetratin-modified-polyplexes-to-inhibit-protein-expression-of-intraocular-tumor
#10
Lingyu Tai, Chang Liu, Kuan Jiang, Xishan Chen, Gang Wei, Weiyue Lu, Weisan Pan
Our present study aimed to develop an antisense oligonucleotide (ASO) delivery system to achieve gene silencing in intraocular tumor via topical instillation. ASO specific for luciferase was chosen as model drug, polyamidoamine (PG5) was employed to condense ASO, and penetratin (Pene) was used to enhance cellular uptake. Nanoscale PG5/ASO/Pene polyplex was stabilized via noncovalent bonding. In vitro evaluations indicated that PG5/ASO/Pene exhibited improved cell-penetrating and gene silencing ability compared with naked ASO and PG5/ASO...
April 20, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28434767/extrarenal-rhabdoid-tumor-presented-with-an-immobile-arm-in-a-one-year-old-boy
#11
Chi-Ting Chung, Yen-Lin Liu, Chien-Jui Cheng, Kevin Li-Chun Hsieh, Min-Lan Tsai, Tai-Tong Wong
Infants with an immobile arm may be easily overlooked in primary care settings. Differential diagnoses include injuries, infections, neuropathies, ischemia and rarely, neoplasms. We report the case of a one-year-old boy with weakness in his left arm after minor trauma with a diagnosis of brachial plexus palsy initially. After rehabilitation for 2months, his weakness progressed to unsteady gait and quadriparesis. MRI revealed a huge solid tumor in the left supraclavicular fossa, which also involved the left brachial plexus, upper thoracic cavity, and left paravertebral space with invasion into the spinal canal...
April 20, 2017: Brain & Development
https://www.readbyqxmd.com/read/28434750/integrating-an-automated-activity-monitor-into-an-artificial-insemination-program-and-the-associated-risk-factors-affecting-reproductive-performance-of-dairy-cows
#12
Tracy A Burnett, Augusto M L Madureira, Bruna F Silper, A C C Fernandes, Ronaldo L A Cerri
The aim of this study was to compare 2 reproductive programs for the management of first postpartum artificial insemination (AI) based on activity monitors and timed AI, as well as to determine the effect of health-related factors on detection and expression of estrus. Lactating Holstein cows (n = 918) from 2 commercial farms were enrolled. Estrous cycles of all cows were presynchronized with 2 injections of PGF2α administered 2 wk apart. Treatments were (1) first insemination performed by timed AI (TAI) and (2) first insemination based upon the detection of estrus by activity monitors (ACT; Heatime, SCR Engineering, Netanya, Israel) after the presynchronization, whereas cows not inseminated by the detection of estrus were enrolled in the Ovsynch protocol...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434472/tai-chi-with-mental-imagery-theory-improves-soleus-h-reflex-and-nerve-conduction-velocity-in-patients-with-type-2-diabetes
#13
Abdulrahman Alsubiheen, Jerrold Petrofsky, Noha Daher, Everett Lohman, Edward Balbas, Haneul Lee
OBJECTIVES: Diabetes is a disease that leads to damage to the peripheral nerves which may eventually cause balance instability. The purpose of this study was to determine the effect of 8 weeks of Tai Chi (TC) training combined with mental imagery (MI) on soleus H-reflex and nerve conduction velocity (NCV) of the sural and superficial peroneal nerves in people with diabetes. DESIGNS: Quasi-experimental, one group pretest-posttest design. SETTING: Human Research Laboratory...
April 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28434462/the-effects-of-tai-chi-on-physical-and-psychosocial-function-among-persons-with-multiple-sclerosis-a-systematic-review
#14
REVIEW
Emily Taylor, Ruth E Taylor-Piliae
OBJECTIVES: Conduct a systematic review to evaluate the effects of Tai Chi on physical and psychosocial function among individuals with Multiple Sclerosis. METHODS: An electronic literature search of 12 databases using controlled vocabulary function and keywords from inception through August 2016. All Tai Chi intervention studies assessing physical and psychosocial function among persons with Multiple Sclerosis were included. Study quality was scored using an established tool examining 16 study elements (range=0-32)...
April 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28433937/perturbation-effect-of-reduced-graphene-oxide-quantum-dots-rgoqds-on-aryl-hydrocarbon-receptor-ahr-pathway-in-zebrafish
#15
Jing-Hui Zhang, Tai Sun, Aping Niu, Yu-Mei Tang, Shun Deng, Wei Luo, Qun Xu, Dapeng Wei, De-Sheng Pei
Graphene quantum dots (GQDs) has been widely used in enormous fields, however, the inherent molecular mechanism of GQDs for potential risks in biological system is still elusive to date. In this study, the outstanding reduced graphene quantum dots (rGOQDs) with the QY as high as 24.62% were successfully synthesized by the improved Hummers method and DMF hydrothermal treatment approach. The rGOQDs were N-doped photoluminescent nanomaterials with functional groups on the surface. The fluorescent bio-imaging was performed by exposing zebrafish in different concentrations of the as-prepared rGOQDs, and the distribution of rGOQDs was successfully observed...
April 15, 2017: Biomaterials
https://www.readbyqxmd.com/read/28431084/sonographic-barcode-sign-of-pneumothorax
#16
Tai-Jen Chuang, Chih-Cheng Lai
No abstract text is available yet for this article.
April 18, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28430967/associations-of-unhappiness-with-sociodemographic-factors-and-unhealthy-behaviours-in-chinese-adolescents
#17
Jianjiu Chen, Sai Yin Ho, Lok Tung Leung, Man Ping Wang, Tai Hing Lam
Evidence on the effects of lack of physical exercise, alcohol drinking and smoking on happiness is limited and inconsistent. We examined the associations of unhappiness with sociodemographic factors and these unhealthy behaviours in Chinese adolescents. In a school-based survey in 2012-13 in Hong Kong, 45 857 secondary school students (mean age 14.8 years, 54.0% boys) reported their happiness level (not happy at all/not very happy/happy/very happy), frequency of physical exercise, alcohol drinking status, smoking status and sociodemographic factors...
April 18, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28430465/elemental-topological-dirac-semimetal-%C3%AE-sn-on-insb-111
#18
Cai-Zhi Xu, Yang-Hao Chan, Yige Chen, Peng Chen, Xiaoxiong Wang, Catherine Dejoie, Man-Hong Wong, Joseph Andrew Hlevyack, Hyejin Ryu, Hae-Young Kee, Nobumichi Tamura, Mei-Yin Chou, Zahid Hussain, Sung-Kwan Mo, Tai-Chang Chiang
Three-dimensional (3D) topological Dirac semimetals (TDSs) are rare but important as a versatile platform for exploring exotic electronic properties and topological phase transitions. A quintessential feature of TDSs is 3D Dirac fermions associated with bulk electronic states near the Fermi level. Using angle-resolved photoemission spectroscopy, we have observed such bulk Dirac cones in epitaxially grown α-Sn films on InSb(111), the first such TDS system realized in an elemental form. First-principles calculations confirm that epitaxial strain is key to the formation of the TDS phase...
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28430331/factors-influencing-intravitreal-bevacizumab-and-triamcinolone-treatment-in-patients-with-diabetic-macular-edema
#19
Tai K Kim, Hye Y Shin, Su Y Kim, Young C Lee, Mee Y Lee
PURPOSE: To evaluate factors associated with response to intravitreal bevacizumab (IVB) and intravitreal triamcinolone acetonide (IVTA) in diabetic macular edema (DME). METHODS: Ninety-one eyes of 88 patients diagnosed with DME were enrolled in this retrospective chart review. Group 1 included eyes that showed good response to IVB. Group 2 included eyes that did not respond to IVB but responded to IVTA. Group 3 included eyes that responded to neither. Clinical factors, HbA1c, and optical coherence tomography (OCT) findings including patterns of macular edema were compared among the 3 groups...
April 11, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28430159/efficacy-of-low-molecular-weight-fucoidan-as-a-supplemental-therapy-in-metastatic-colorectal-cancer-patients-a-double-blind-randomized-controlled-trial
#20
Hsiang-Lin Tsai, Chi-Jung Tai, Ching-Wen Huang, Fang-Rong Chang, Jaw-Yuan Wang
BACKGROUND: Low-molecular-weight fucoidan (LMF) is widely used as a food supplement for cancer patients. However, all of the studies are in vitro or were conducted using mice. Therefore, powerful clinical evidence for LMF use is relatively weak. This study aimed to evaluate the efficacy of LMF as a supplemental therapy to chemo-target agents in metastatic colorectal cancer (mCRC) patients. METHODS: We conducted a prospective, randomized, double-blind, controlled trial to evaluate the efficacy of LMF as a supplemental therapy to chemotarget agents in patients with metastatic colorectal cancer (mCRC)...
April 21, 2017: Marine Drugs
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