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https://www.readbyqxmd.com/read/28635620/anomalous-dielectric-response-of-short-hydrogen-bonds-under-pressure-the-case-of-mn-fe-sup-2-sup-alpo-sub-4-sub-oh-sub-2-sub-h-sub-2-sub-o
#1
Benedikt Röska, So-Hyun Park, Yusuke Yoshimori, Kenta Kimura, Tsuyoshi Kimura
An anomalous increase in the real part of dielectric response is observed in Mn<sub>0.5</sub>Fe<sub>0.5</sub>AlPO<sub>4</sub>(OH)<sub>2</sub>H<sub>2</sub>O while cooling to ~70 K. This is addressed to field-induced proton dynamics in a short hydrogen bond of 2.480(3) Å. The absence of discontinuities in heat capacity curves above the Néel temperature (T<sub>N</sub> ≈ 7 K) excludes a paraelectric to antiferroelectric phase transition...
June 21, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28634317/the-role-of-frontline-autologous-stem-cell-transplantation-for-primary-plasma-cell-leukemia-a-retrospective-multicenter-study-kmm160
#2
Sung-Hoon Jung, Je-Jung Lee, Kihyun Kim, Cheolwon Suh, Dok Hyun Yoon, Chang-Ki Min, Sang Kyun Sohn, Chul Won Choi, Ho Sup Lee, Hyo Jung Kim, Ho-Jin Shin, Soo-Mee Bang, Sung-Soo Yoon, Seong Kyu Park, Ho-Young Yhim, Min Kyoung Kim, Jae-Cheol Jo, Yeung-Chul Mun, Jae Hoon Lee, Jin Seok Kim
Primary plasma cell leukemia (pPCL) is a rare and aggressive plasma cell neoplasm, with rapidly progressing clinical course. We evaluated the treatment status and survival outcomes of 69 Korean patients with pPCL. Of them, 59 patients were treated; 15 (25.4%) were treated initially with novel agent-based regimens with upfront autologous stem cell transplantation (ASCT), 7 (11.9%) with conventional chemotherapy with upfront ASCT, 21 (35.6%) with novel agent-based regimens only, and 16 (27.1%) were treated with conventional chemotherapy alone...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28634310/-a-case-of-coexistent-glossopharyngeal-neuralgia-and-hemifacial-spasm-successfully-treated-with-transposition-of-the-vertebral-artery
#3
Takashi Fujii, Naoki Otani, Yohei Otsuka, Takashi Matsumoto, Shunsuke Tanoue, Hideaki Ueno, Satoshi Tomura, Arata Tomiyama, Terushige Toyooka, Kojiro Wada, Kentaro Mori
A case of coexistent glossopharyngeal neuralgia and hemifacial spasm was treated by transposition of the vertebral artery. A 60-year-old man was referred to our hospital due to pain in the left posterior part of the tongue that was difficult to control with oral medication at a local hospital. The diagnosis was left glossopharyngeal neuralgia based on the symptoms, imaging findings, and lidocaine test results. Moreover, the patient had left hemifacial spasm. Microvascular decompression was performed, which confirmed that the vertebral artery was compressing the lower cranial nerve and the posterior inferior cerebellar artery was compressing the root exit zone of the facial nerve...
June 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28632143/the-thermal-expansion-of-fe-sub-i-1-y-i-sub-ni-sub-i-y-i-sub-si
#4
Simon A Hunt, Elizabeth Wann, David Dobson, Lidunka Vočadlo, Ian Wood
We have measured the thermal expansion of (Fe<sub>1-<i>y</i></sub>Ni<sub><i>y</i></sub>)Si for <i>y</i> = 0, 0.1 and 0.2, between 40 and 1273 K. Above ∽700 K the unit-cell volumes of the samples decrease approximately linearly with increasing Ni content. Below ∽200 K the unit-cell volume of FeSi falls to a value between that of (Fe<sub>0.9</sub>Ni<sub>0.1</sub>)Si and (Fe<sub>0.8</sub>Ni<sub>0.2</sub>)Si...
June 20, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28631622/highly-flexible-ultra-thin-and-transparent-single-layer-graphene-silver-composite-electrodes-for-organic-light-emitting-diodes
#5
Kun Li, Hu Wang, Huiying Li, Ye Li, Guangyong Jin, LanLan Gao, Mazzeo Marco, Yu Duan
Transparent conductive electrode (TCE) platforms are required in many optoelectronic devices, including organic light emitting diodes (OLEDs). To date, Indium Tin Oxide (ITO) based electrodes are widely used in TCEs but they still have few limitations in term of achieving flexible OLEDs and display techniques. In this paper, highly-flexible and ultra-thin TCEs were fabricated for use in OLEDs by combining single-layer graphene (SLG) with thin silver layers of only several nanometers in thickness. The as-prepared SLG+Ag (8nm) composite electrodes showed low sheet resistances of 9Ω/sq, high stability over 500 bending cycles, and 74% transmittance at 550nm wavelength...
June 20, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28624804/can-we-consider-discontinuation-of-hypomethylating-agents-in-patients-with-myelodysplastic-syndrome-a-retrospective-study-from-the-korean-society-of-hematology-aml-mds-working-party
#6
Da Jung Kim, Ho Sup Lee, Joon-Ho Moon, Sang Kyun Sohn, Hyeoung Joon Kim, June-Won Cheong, Deog-Yeon Jo, Hawk Kim, Hyewon Lee, Soo-Mee Bang, Won Sik Lee, Yong Park, Mark Hong Lee, Jae Hoon Lee, Sung Hwa Bae, Min Kyoung Kim
It is often difficult to continue treatment with hypomethylating agent(HMA) in clinical practice because of problems such as toxicities, poor economics, etc. We compared clinical outcomes of those patients who continued HMA and those who discontinued HMA because of other causes, and evaluated factors associated with survival in those patients who discontinued HMA.Patients were divided into two groups: treatment failure, those who stopped treatment due to disease progression; and discontinuation, those who discontinued treatment because of other causes...
May 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28623844/lc-ms-ms-characterization-anti-inflammatory-effects-and-antioxidant-activities-of-polyphenols-from-different-tissues-of-korean-petasites-japonicus-meowi
#7
Jin Young Choi, Kebede Taye Desta, Venu Venkatarame Gowda Saralamma, Sung Joong Lee, Soo Jung Lee, Seong Min Kim, Anjugam Paramanantham, Ho Jeong Lee, Yun-Hi Kim, Ho-Chul Shin, Jae-Han Shim, Sung Chul Shin, Gon-Sup Kim, A M Abd El-Aty
The Korean Petasites japonicus is a perennial plant used in folk medicine as a remedy for many diseases and popularly consumed as spring greens. Ten polyphenols were characterized from the leaves, stems, and roots of this plant via high-performance liquid chromatography-tandem mass spectrometry. Individual polyphenols were quantified for the first time using calibration curves of six structurally related external standards. Validation data indicated that correlation coefficients (R(2) ) were ≥ 0.9702 for all standards...
June 17, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28622818/use-of-a-smartphone-application-to-screen-for-depression-and-suicide-in-south-korea
#8
Seung-Ho Jang, Young Sup Woo, Jeong-Wan Hong, Bo-Hyun Yoon, Tae-Yeon Hwang, Moon-Doo Kim, Sang-Yeol Lee, Won-Myong Bahk
OBJECTIVE: This is a cross-sectional study using a free depression and suicide screening smartphone application, which contains the data from the Center for Epidemiological Studies-Depression (CES-D) and a Suicide Behaviors Questionnaire-Revised (SBQ-R). METHOD: The free application was downloaded worldwide from Apple's App Store and Android Market, and the participants who downloaded the application were actively measured. RESULTS: The subjects totaled 208,683 men and women...
May 2017: General Hospital Psychiatry
https://www.readbyqxmd.com/read/28622739/impact-of-a-collaborative-strategy-to-reduce-the-inappropriate-use-of-acid-suppressive-therapy-in-non-intensive-care-unit-patients
#9
Kristen D Belfield, Arpi G Kuyumjian, Rafael Teran, Mariette Amadi, Melissa Blatt, Keri Bicking
BACKGROUND: Stress ulcer prophylaxis (SUP) is inappropriately prescribed in more than 30% of non-intensive care unit (ICU) patients, leading to unnecessary adverse events as well as increases in economic burden. OBJECTIVE: There was an increasing trend in the prophylactic use of acid suppressive therapy (AST) in non-critically ill patients at our institution, which prompted this initiative aimed at reducing the inappropriate use of AST in non-ICU patients. METHODS: This was a retrospective interventional study that consisted of formulation of a guideline, education to the hospitalist service, and intervention by clinical pharmacists...
July 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28621172/direct-reprogramming-into-endothelial-cells-a-new-source-for-vascular-regeneration
#10
Sangho Lee, Jin Eyun Kim, Brandon Al Johnson, Adinarayana Andukuri, Young-Sup Yoon
No abstract text is available yet for this article.
June 16, 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/28619245/the-risk-of-metachronous-neoplasia-on-surveillance-colonoscopy-in-young-patients-with-colorectal-neoplasia
#11
Hyun Gun Kim, Young-Seok Cho, Jae Myung Cha, Jeong Eun Shin, Kyeong Ok Kim, Hyo-Joon Yang, Hoon Sup Koo, Young-Eun Joo, Sun-Jin Boo
BACKGROUND AND AIMS: Few prior reports exist that address the appropriate colonoscopy surveillance interval for individuals <50 years old. We compared the risk of metachronous neoplasia between younger (20-49 years) and older (50-54 years) cohorts. METHODS: This multicenter retrospective cohort study compared the incidence of metachronous neoplasia in younger and older cohorts according to baseline risk stratification. Subjects were eligible if they underwent their first colonoscopy between June 2006 and May 2010, and had at least one or more surveillance colonoscopy up to June 2015...
June 12, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28618180/neutrophil-lymphocyte-ratio-and-a-dosimetric-factor-for-predicting-symptomatic-radiation-pneumonitis-in-non-small-cell-lung-cancer-patients-treated-with-concurrent-chemoradiotherapy
#12
Yun Hee Lee, Hoon-Sik Choi, Hojin Jeong, Ki Mun Kang, Jin Ho Song, Won Sup Lee, Gyeong-Won Lee, Haa-Na Song, Hoon-Gu Kim, Myoung Hee Kang, Dong Yoon Rhee, Bae Kwon Jeong
OBJECTIVES: To identify the factors that predict the progression of radiological radiation pneumonitis (RP) to symptomatic RP, and to evaluate the usefulness of the neutrophil-lymphocyte ratio (NLR) as a marker of RP severity and prognosis in stage III non-small cell lung cancer (NSCLC) patients treated with definitive concurrent chemoradiotherapy (CCRT). MATERIALS AND METHODS: We retrospectively reviewed 61 patients treated between January 2010 and December 2015...
June 15, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28616912/-the-roles-of-glut5-in-imatinib-resistance-in-the-ph-acute-lymphoblastic-leukemia-cell
#13
Tian-You Yan, Duo-Lan Naren, Yu-Ping Gong
OBJECTIVES: To explore the possible roles of glucose transport 5 (Glut5) in imatinib resistance in the Ph(+) acute lymphoblastic leukemia cell (Ph(+) ALL). METHODS: The gene chip technique was used to detect different gene expression between Ph(+) ALL cell line SUP-B15/R (imatinib resistant cell line) and SUP-B15/S (imatinib sensitive cell line), the gene of solute carrier family 2 member 5 (SLC2A5) and its coded protein Glut5 were screened out and were reconfirmed by qPCR and Western blot assay...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28616582/a-new-duet-in-cancer-biology-ampk-the-typical-and-ube2o-the-atypical
#14
Isabelle K Vila, Su Jung Song, Min Sup Song
Ubiquitin-conjugating enzyme E2O (UBE2O) is upregulated in human cancers. We have demonstrated that genetic deletion or pharmacological blockade of UBE2O reduces tumorigenesis through inhibiting the mammalian target of rapamycin complex 1-hypoxia-inducible factor 1-α pathway. Critically, UBE2O targets adenosine monophosphate (AMP)-activated protein kinase-α 2 (AMPKα2) for ubiquitination and degradation. We thus suggest the UBE2O-AMPKα2 axis as a potential therapeutic target for cancer.
2017: Molecular & Cellular Oncology
https://www.readbyqxmd.com/read/28614346/semiconductor-based-plasmonic-interferometers-for-ultrasensitive-sensing-in-a-terahertz-regime
#15
Youqiao Ma, Yousef Alattar, Jun Zhou, Mohamed Eldlio, Hiroshi Maeda, Jaromír Pištora, Michael Cada
A robust plasmonic semiconductor-based Mach-Zehnder interferometer (MZI), which consists of a semiconductor layer with a microslit flanked by two identical microgrooves, is proposed and investigated for the terahertz sensing. The microgrooves reflect the surface plasmon polariton waves toward the microslit, where they interfere with the transmitted terahertz wave. The interference pattern is determined by the permittivities of the sensing material and semiconductor (i.e., temperature dependent), making the structure useful for the refractive index (RI) and temperature detection...
June 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28614334/all-optical-flip-flop-based-on-hybrid-square-rectangular-bistable-lasers
#16
Xiu-Wen Ma, Yong-Zhen Huang, Yue-De Yang, Hai-Zhong Weng, Fu-Li Wang, Min Tang, Jin-Long Xiao, Yun Du
A compact, simple, and bistable hybrid square-rectangular laser is experimentally demonstrated as an all-optical flip-flop memory. Controllable bistability is induced by two-mode competition, together with the saturable absorption at the square microcavity section. The all-optical set and reset operations are realized by injecting signal pulses at two-mode wavelengths, with the response times of 165 and 60 ps at the triggering pulse width of 100 ps and switching energies of 2.7 and 14.2 fJ, respectively...
June 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28614331/precise-determination-on-the-upconversion-processes-of-the-ultraviolet-upconversion-fluorescence-of-ho-sup-3-sup-doped-y-sub-2-sub-o-sub-3-sub-ceramic-by-excitation-of-a-532-nm-continuous-wave-laser
#17
Feng Qin, Hua Zhao, Moyang Lv, Leipeng Li, Yuan Zhou, Zhengjia Wang, Yangdong Zheng, Zhiguo Zhang, Wenwu Cao
Aiming at developing a Ho<sup>3+</sup>-based continuous-wave ultraviolet laser, the method of determining the weight of the excited-state absorption (ESA) process occupied in the populating of the D<sub>3</sub>3 level is studied. Using the rate equation model, the weight is found to be related to the weighting factors of the double-exponential decay components of the D<sub>3</sub>3 level. Using time-resolved spectroscopy, the weight of the ESA process for Y<sub>2</sub>O<sub>3</sub> ceramic doped with 0...
June 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28614330/sellmeier-equations-group-velocity-dispersion-and-thermo-optic-dispersion-formulas-for-calnalo-sub-4-sub-ln-y-gd-laser-host-crystals
#18
Pavel Loiko, Petra Becker, Ladislav Bohatý, Christoph Liebald, Mark Peltz, Sophie Vernay, Daniel Rytz, Josep Maria Serres, Xavier Mateos, Yicheng Wang, Xiaodong Xu, Jun Xu, Arkady Major, Alexander Baranov, Uwe Griebner, Valentin Petrov
We studied the refractive index and dispersive properties of the tetragonal rare-earth calcium aluminates, CaLnAlO<sub>4</sub> (Ln=Gd or Y). Sellmeier equations were derived for the spectral range of 0.35-2.1 μm. The group velocity dispersion (GVD) in CaGdAlO<sub>4</sub> is positive at ∼1  μm, 95  fs<sup>2</sup>/mm and negative at ∼2  μm, -40  fs<sup>2</sup>/mm. The GVD values for CaYAlO<sub>4</sub> are similar. In addition, thermo-optic coefficients, dn/dT, and thermal coefficients of the optical path were determined for CaYAlO<sub>4</sub>...
June 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28614326/highly-efficient-passively-q-switched-tm-yap-laser-using-a-cr-zns-saturable-absorber
#19
Brian Cole, Lew Goldberg
We describe a diode-pumped, passively Q-switched 2 μm Tm:YAP laser generating 10.5 W of average power. The laser utilized a Cr<sup>2+</sup>:ZnS saturable absorber with a nonsaturated transmission (T<sub>0</sub>) of 90% and exhibited a record 46% optical slope efficiency and a 42% overall optical conversion efficiency, both measured relative to the incident 794 nm pump power. At maximum average output power, the laser generated 0.6 mJ Q-switched pulses with a maximum peak power of 32 kW...
June 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28614321/photonic-microwave-carrier-recovery-using-period-one-nonlinear-dynamics-of-semiconductor-lasers-for-ofdm-rof-coherent-detection
#20
Yu-Han Hung, Jhih-Heng Yan, Kai-Ming Feng, Sheng-Kwang Hwang
This study investigates an all-optical scheme based on period-one (P1) nonlinear dynamics of semiconductor lasers, which regenerates the microwave carrier of an orthogonal frequency division multiplexing radio-over-fiber (OFDM-RoF) signal and uses it as a microwave local oscillator for coherent detection. Through the injection locking established between the OFDM-RoF signal and the P1 dynamics, frequency synchronization with highly preserved phase quality is inherently achieved between the recovered microwave carrier and the microwave carrier of the OFDM-RoF signal...
June 15, 2017: Optics Letters
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