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https://www.readbyqxmd.com/read/28098953/mesoporous-germanium-anode-materials-for-lithium-ion-battery-with-exceptional-cycling-stability-in-wide-temperature-range
#1
Sinho Choi, Yoon-Gyo Cho, Jieun Kim, Nam-Soon Choi, Hyun-Kon Song, Guoxiu Wang, Soojin Park
Porous structured materials have unique architectures and are promising for lithium-ion batteries to enhance performances. In particular, mesoporous materials have many advantages including a high surface area and large void spaces which can increase reactivity and accessibility of lithium ions. This study reports a synthesis of newly developed mesoporous germanium (Ge) particles prepared by a zincothermic reduction at a mild temperature for high performance lithium-ion batteries which can operate in a wide temperature range...
January 18, 2017: Small
https://www.readbyqxmd.com/read/28098666/estimated-internal-and-external-radiation-exposure-of-caregivers-of-patients-with-pediatric-neuroblastoma-undergoing-131i-metaiodobenzylguanidine-therapy-a-prospective-pilot-study
#2
Sangwon Han, Seon Hee Yoo, Kyung-Nam Koh, Jong Jin Lee
PURPOSE: Current recommendations suggest that family members should participate in the care of children receiving in-hospital I metaiodobenzylguanidine (MIBG) therapy for neuroblastoma. The present study aimed to measure the external radiation exposure and estimate the internal radiation exposure of caregivers during the hospital stay for I MIBG therapy. MATERIALS AND METHODS: Caregivers received radiation safety instructions and a potassium iodide solution for thyroid blockade before patient admission...
January 16, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28098463/absolute-configuration-of-native-oligomeric-proanthocyanidins-with-dentin-biomodification-potency
#3
Joo-Won Nam, Rasika S Phansalkar, David C Lankin, James B McAlpine, Ariene A Leme-Kraus, Cristina M P Vidal, Li-She Gan, Ana Bedran-Russo, Shao-Nong Chen, Guido F Pauli
The structurally complex oligomeric proanthocyanidins (OPACs) are promising biomimetic agents, capable of strengthening the macromolecular backbone of teeth via intermolecular and intermicrofibrillar cross-linking. This study establishes analytical methods capable of determining the absolute configuration of the catechin-type monomeric units of underivatized OPACs. This preserves the capacity of their biological evaluation, aimed at understanding the inevitably stereospecific interactions between the OPACs and dentin collagen...
January 18, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28098190/an-extraordinary-palaeontinid-from-the-triassic-of-korea-and-its-significance
#4
Kye Soo Nam, Ying Wang, Dong Ren, Jong Heon Kim, Jacek Szwedo
A new, extraordinary palaeontinid Hallakkungis amisanus Nam, Wang &Szwedo, gen. et sp. nov., from the Upper Triassic of the Amisan Formation in Boryeong City, Korea is described. It is the first Palaeontinidae from Korea. The newly described taxon displays a mosaic of characters present in presumed ancestors of this insect family and some highly advanced features.
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28097753/fully-copper-exchanged-high-silica-lta-zeolites-as-unrivaled-hydrothermally-stable-nh3-scr-catalysts
#5
Taekyung Ryu, Nak Ho Ahn, Seungwan Seo, Jung Cho, Hyojun Kim, Donghui Jo, Gi Tae Park, Pyung Soon Kim, Chang Hwan Kim, Elliott L Bruce, Paul A Wright, In-Sik Nam, Suk Bong Hong
Diesel engine technology is still the most effective solution to meet tighter CO2 regulations in the mobility and transport sector. In implementation of fuel-efficient diesel engines, the poor thermal durability of lean nitrogen oxides (NOx ) aftertreatment systems remains as one major technical hurdle. Divalent copper ions when fully exchanged into high-silica LTA zeolites are demonstrated to exhibit excellent activity maintenance for NOx reduction with NH3 under vehicle simulated conditions even after hydrothermal aging at 900 °C, a critical temperature that the current commercial Cu-SSZ-13 catalyst cannot overcome owing to thermal deactivation...
January 18, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28097691/oilseed-rape-nac56-transcription-factor-modulates-reactive-oxygen-species-accumulation-and-hypersensitive-response-like-cell-death
#6
Qinqin Chen, Fangfang Niu, Jingli Yan, Bisi Chen, Feifei Wu, Xiaohua Guo, Bo Yang, Yuan-Qing Jiang
The NAC (NAM, ATAF1/2, CUC2) transcription factor gene family is plant-specific and plays diverse roles in development and responses to abiotic stresses and pathogen challenge. Oilseed rape (Brassica napus) or canola is an important oil crop worldwide, however, the function of NAC genes in it remains largely elusive. Here, we identified and characterized the NAC56 gene isolated from oilseed rape. Expression of BnaNAC56 was induced by abscisic acid (ABA), jasmonic acid (JA), methyl viologen (MV) and a necrotrophic fungal pathogen Sclerotinia sclerotiorum, but repressed by cold...
January 18, 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/28096918/perioperative-outcomes-following-radical-prostatectomy-for-patients-with-disseminated-cancer-an-analysis-of-the-national-surgical-quality-improvement-program-database
#7
Raj Satkunasivam, Christopher J D Wallis, James Byrne, Azik Hoffman, Douglas C Cheung, Girish S Kulkarni, Avery B Nathens, Robert K Nam
INTRODUCTION: We sought to determine whether patients undergoing radical prostatectomy (RP) in the context of disseminated cancer have higher 30-day complications. METHODS: We conducted a retrospective cohort study of the National Surgical Quality Improvement Program (NSQIP) database. Men undergoing RP (from January 1, 2005 to December 31, 2014) for prostate cancer were identified and stratified by presence (n=97) or absence (n=27 868) of disseminated cancer. The primary outcome was major complications (death, re-operation, cardiac or neurologic events) within 30 days of surgery...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28096876/effectiveness-of-electroconvulsive-therapy-augmentation-on-clozapine-resistant-schizophrenia
#8
Hye Sung Kim, Se Hyun Kim, Nam Young Lee, Tak Youn, Jeoung Hyuk Lee, Seunghyun Chung, Yong Sik Kim, In Won Chung
OBJECTIVE: This retrospective case series study of the effectiveness of electroconvulsive therapy (ECT) augmentation on clozapine-resistant schizophrenia was conducted by EMR review. METHODS: Clozapine-resistance was defined as persistent psychotic symptoms despite at least 12 weeks of clozapine administration with blood levels over 350 ng/mL in order to rule out pseudo-resistance. Seven in-patients who were taking clozapine and treated with ECT were selected. We analyzed the psychopathology and subscales changed by ECT...
January 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28096874/prevalence-of-metabolic-syndrome-in-patients-with-schizophrenia-in-korea-a-multicenter-nationwide-cross-sectional-study
#9
Jung Sun Lee, Jun Soo Kwon, Daeho Kim, Sung-Wan Kim, Jae-Jin Kim, Jong-Hoon Kim, Hee Jung Nam, Seunghyong Ryu, Il Ho Park, Suk Kyoon An, Hong-Seok Oh, Seunghee Won, Kanguk Lee, Kyu Young Lee, Seung-Hwan Lee, Yu Sang Lee, Jung-Seo Yi, Kyung Sue Hong, Yeon Ho Joo
OBJECTIVE: We designed a nationwide study with limited exclusion criteria to investigate the prevalence of metabolic syndrome (MetS) in Korea and its relationship with antipsychotic medications. METHODS: This multicenter, cross-sectional, and observational study included patients diagnosed with schizophrenia or schizoaffective disorder. Sixteen hospitals enrolled 845 patients aged 18 to 65 years prescribed any antipsychotic medication between August 2011 and August 2013...
January 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28095892/comparative-effectiveness-and-cost-effectiveness-of-chuna-manual-therapy-versus-conventional-usual-care-for-nonacute-low-back-pain-study-protocol-for-a-pilot-multicenter-pragmatic-randomized-controlled-trial-pcrn-study
#10
Byung-Cheul Shin, Me-Riong Kim, Jae-Heung Cho, Jae-Young Jung, Koh-Woon Kim, Jun-Hwan Lee, Kibong Nam, Min Ho Lee, Eui-Hyoung Hwang, Kwang-Ho Heo, Namkwen Kim, In-Hyuk Ha
BACKGROUND: While Chuna manual therapy is a Korean manual therapy widely used primarily for low back pain (LBP)-related disorders in Korea, well-designed studies on the comparative effectiveness of Chuna manual therapy are scarce. METHODS/DESIGN: This study is the protocol for a three-armed, multicenter, pragmatic randomized controlled pilot trial. Sixty severe nonacute LBP patients (pain duration of at least 3 weeks, Numeric Rating Scale (NRS) ≥5) will be recruited at four Korean medicine hospitals...
January 17, 2017: Trials
https://www.readbyqxmd.com/read/28095865/engineered-biosynthesis-of-milbemycins-in-the-avermectin-high-producing-strain-streptomyces-avermitilis
#11
Myoun-Su Kim, Wan-Je Cho, Myoung Chong Song, Seong-Whan Park, Kaeun Kim, Eunji Kim, Naryeong Lee, Sang-Jip Nam, Ki-Hoon Oh, Yeo Joon Yoon
BACKGROUND: Milbemycins, produced from Streptomyces hygroscopicus subsp. aureolacrimosus and Streptomyces bingchenggensis, are 16-membered macrolides that share structural similarity with avermectin produced from Streptomyces avermitilis. Milbemycins possess strong acaricidal, insecticidal, and anthelmintic activities but low toxicity. Due to the high commercial value of the milbemycins and increasing resistance to the avermectins and their derivatives, it is imperative to develop an efficient combinatorial biosynthesis system exploiting an overproduction host strain to produce the milbemycins and novel analogs in large quantities...
January 17, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28095603/review-of-regulatory-emphasis-on-transportation-safety-in-the-united-states-2002-2009-public-versus-private-modes
#12
Garrett C Waycaster, Taiki Matsumura, Volodymyr Bilotkach, Raphael T Haftka, Nam H Kim
The U.S. Department of Transportation is responsible for implementing new safety improvements and regulations with the goal of ensuring limited funds are distributed to where they can have the greatest impact on safety. In this work, we conduct a study of new regulations and other reactions (such as recalls) to fatal accidents in several different modes of transportation implemented from 2002 to 2009. We find that in the safest modes of commercial aviation and bus transport, the amount of spending on new regulations is high in relation to the number of fatalities compared to the regulatory attention received by less safe modes of general aviation and private automobiles...
January 17, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28095433/bj-3105-a-6-alkoxypyridin-3-ol-analog-impairs-t-cell-differentiation-and-prevents-experimental-autoimmune-encephalomyelitis-disease-progression
#13
Maheshwor Timilshina, Youra Kang, Ishmit Dahal, Zhiwei You, Tae-Gyu Nam, Keuk-Jun Kim, Byeong-Seon Jeong, Jae-Hoon Chang
CD4+ T cells are essential in inflammation and autoimmune diseases. Interferon-γ (IFN-γ) secreting T helper (Th1) and IL-17 secreting T helper (Th17) cells are critical for several autoimmune diseases. To assess the inhibitory effect of a given compound on autoimmune disease, we screened many compounds with an in vitro Th differentiation assay. BJ-3105, a 6-alkoxypyridin-3-ol analog, inhibited IFN-γ and IL-17 production from polyclonal CD4+ T cells and ovalbumin (OVA)-specific CD4+ T cells which were activated by T cell receptor (TCR) engagement...
2017: PloS One
https://www.readbyqxmd.com/read/28095101/an-immediate-effect-of-axial-neck-rotation-training-with-real-time-visual-feedback-using-a-smartphone-inclinometer-on-improvement-in-axial-neck-rotation-function
#14
Kyue-Nam Park, Oh-Yun Kwon, Si-Hyun Kim, In-Cheol Jeon
OBJECTIVES: The purpose of this study was to compare the immediate effects of axial neck rotation training (Axi-NRT) with and without real-time visual feedback (VF) using a smartphone inclinometer on the range of motion (ROM) for axial neck rotation and the onset of compensatory neck lateral bending and extension during active neck rotation. METHODS: Twenty participants with restricted ROM for neck rotation but no neck pain (21.1 ± 1.6 years and 8 males, 12 females) were recruited for Axi-NRT with VF, and twenty age- and gender-matched participants with restricted ROM for neck rotation were recruited for Axi-NRT without VF...
January 17, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28094215/effect-of-decompression-for-patients-with-various-jaw-cysts-based-on-a-three-dimensional-computed-tomography-analysis
#15
Ho-Gul Jeong, Jae Joon Hwang, Sung Hwa Lee, Woong Nam
OBJECTIVES: The aim of this study is to evaluate the effectiveness of decompression according to reduction parameters by measuring cystic volume changes using computed tomography (CT). STUDY DESIGN: We chose patients who had undergone decompression for a cystic lesion of the jaw at the Department of Oral and Maxillofacial Surgery in our dental hospital between 2006 and 2015. All patients had been examined by CT before and after decompression. We measured the volume of cystic lesions using the threshold method and evaluated the volumetric changes after decompression according to various parameters...
December 7, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28093700/postdiagnostic-use-of-%C3%AE-blockers-and-other-antihypertensive-drugs-and-the-risk-of-recurrence-and-mortality-in-head-and-neck-cancer-patients-an-observational-study-of-10-414-person-years-of-follow-up
#16
S-A Kim, H Moon, J-L Roh, S-B Kim, S-H Choi, S Y Nam, S Y Kim
INTRODUCTION: Growing evidence indicates that norepinephrine promotes cancer growth and metastasis whereas β-blockers decrease these risks. This study aimed to examine the clinical impact of β-blockers and other hypertensive drugs on disease recurrence and survival in patients with head and neck squamous cell carcinoma (HNSCC). MATERIALS AND METHODS: This study analyzed a cohort of 1274 consecutive patients who received definitive treatments for previously untreated HNSCC at our tertiary referral center between January 2001 and December 2012...
January 16, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28093562/factors-associated-with-a-family-s-delay-of-decision-for-organ-donation-after-brain-death
#17
Sang Youb Han, Jae Il Kim, Eun-Woo Lee, Hye-Yeon Jang, Kum Hyun Han, Se Won Oh, Young-Nam Roh
BACKGROUND This study aimed to explore the factors associated with a family's delay of decision for organ donation after brain death, and to investigate the effect of such a delay on organ donation. MATERIAL AND METHODS Medical records and data on counseling about organ donation with the families of 107 brain-dead potential donors between September 2012 and March 2016 at a single tertiary medical center were retrospectively reviewed. RESULTS The final consent rate was 58% (62/107), and successful donation was performed in 40% (43/107)...
January 17, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28093303/chlorogenic-acid-rescues-sensorineural-auditory-function-in-a-diabetic-animal-model
#18
Bin Na Hong, Youn Hee Nam, Sang Ho Woo, Tong Ho Kang
Recently, many studies have reported that sensorineural hearing impairment related to neurological disorders may be caused by diabetes mellitus. However, to date, only a small number of studies have investigated the treatment of sensorineural hearing impairment. In the present study, the effects of chlorogenic acid on diabetic auditory pathway impairment were evaluated by neuro-electrical physiological measurements and morphological investigations. We have shown that CA efficiently prevents the progression of auditory pathway dysfunction caused by DM using auditory brainstem responses and auditory middle latency responses in mice...
January 13, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28092732/enhancement-of-lipid-productivity-by-adopting-multi-stage-continuous-cultivation-strategy-in-nannochloropsis-gaditana
#19
Min-Gyu Sung, Bongsoo Lee, Chul Woong Kim, Kibok Nam, Yong Keun Chang
In the present study, a novel process-based cultivation system was designed to improve lipid productivity of Nannochloropsis gaditana, an oleaginous microalga that has high potential for biofuel production. Specifically, four flat-panel photobioreactors were connected in series, and this system was subjected to continuous chemostat cultivation by feeding fresh medium to the first reactor at dilution rates of 0.028 and 0.056day(-1), which were determined based on Monod kinetics. The results show that the serially connected photobioreactor system achieved 20...
December 30, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/28091606/long-term-efficient-organic-photovoltaics-based-on-quaternary-bulk-heterojunctions
#20
Minwoo Nam, Minjeong Cha, Hyun Hwi Lee, Kahyun Hur, Kyu-Tae Lee, Jaehong Yoo, Il Ki Han, S Joon Kwon, Doo-Hyun Ko
A major impediment to the commercialization of organic photovoltaics (OPVs) is attaining long-term morphological stability of the bulk heterojunction (BHJ) layer. To secure the stability while pursuing optimized performance, multi-component BHJ-based OPVs have been strategically explored. Here we demonstrate the use of quaternary BHJs (q-BHJs) composed of two conjugated polymer donors and two fullerene acceptors as a novel platform to produce high-efficiency and long-term durable OPVs. A q-BHJ OPV (q-OPV) with an experimentally optimized composition exhibits an enhanced efficiency and extended operational lifetime than does the binary reference OPV...
January 16, 2017: Nature Communications
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