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Ed Chen

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https://www.readbyqxmd.com/read/28726952/porphyra-polysaccharide-derived-carbon-dots-for-non-viral-co-delivery-of-different-gene-combinations-and-neuronal-differentiation-of-ectodermal-mesenchymal-stem-cells
#1
Jiaxin Chen, Qiang Wang, Jie Zhou, Wenwen Deng, Qingtong Yu, Xia Cao, Jianping Wang, Fengxia Shao, Yang Li, Ping Ma, Myron Spector, Jiangnan Yu, Ximing Xu
In this study, multifunctional fluorescent carbon dots (CDs) were synthesized using a one-pot hydrothermal carbonization reaction, with the naturally-occurring porphyra polysaccharide (PPS) serving as a single carbon source for the first time and ethylenediamine (Ed) acting as the surface passivation agent. The resulting CDs enjoyed a high quantum yield (56.3%), excitation-dependent fluorescence, small size (<10 nm), spherical shape, uniform distribution, positive surface charge, low cytotoxicity and excellent ability to condense macromolecular plasmid DNA...
July 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28701158/endotoxemia-is-associated-with-acute-coronary-syndrome-in-patients-with-end-stage-kidney-disease
#2
Chien-Chin Hsu, Tsui-Shan Wei, Chien-Cheng Huang, Yi-Ming Chen
BACKGROUND: Cardiovascular disease is the major cause of death in patients with end-staged kidney disease (ESRD). Most ESRD patients have systemic inflammation, and increasing the risk of cardiovascular event. Endotoxin derived from lipopolysaccharide of Gram negative bacteria accounts for 70% of intestinal bacteria, leading to release of proinflammatory cytokines and negative cardiovascular effect. Impaired intestinal barriers have been found in some ESRD patients, and may lead to bacteria translocation from gastrointestinal tract...
July 12, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28692279/hot-electron-intraband-luminescence-from-gaas-nanospheres-mediated-by-magnetic-dipole-resonances
#3
Jin Xiang, Shuai Jiang, Jingdong Chen, Jinxiang Li, Qiaofeng Dai, Chengyun Zhang, Yi Xu, Shaolong Tie, Sheng Lan
Significantly enhanced electric field in plasmonic hot spots can dramatically increase the linear and nonlinear absorption of light, leading to a high-temperature electron gas which radiates, through mainly intraband transition, a broadband luminescence quite similar to blackbody radiation. Here, we demonstrate that such hot-electron intraband luminescence (HEIL) can also be achieved by exploiting the significantly enhanced electric field at the magnetic dipole resonances of gallium arsenide (GaAs) nanospheres (NSs)...
July 12, 2017: Nano Letters
https://www.readbyqxmd.com/read/28686253/predictive-models-of-gas-sorption-in-a-metal-organic-framework-with-open-metal-sites-and-small-pore-sizes
#4
Tony Pham, Katherine A Forrest, Douglas M Franz, Zhiyong Guo, Banglin Chen, Brian Space
Simulations of CO2 and H2 sorption were performed in UTSA-20, a metal-organic framework (MOF) having zyg topology and composed of Cu(2+) ions coordinated to 3,3',3'',5,5',5''-benzene-1,3,5-triyl-hexabenzoate (BHB) linkers. Previous experimental studies have shown that this MOF displays remarkable CO2 sorption properties and exhibits one of the highest gravimetric H2 uptakes at 77 K/1.0 atm (2.9 wt%) [Z. Guo, et al. Angew. Chem., Int. Ed., 2011, 50, 3178-3181]. For both sorbates, the simulations were executed with the inclusion of explicit many-body polarization interactions, which was necessary to reproduce sorption onto the open-metal sites...
July 7, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28680945/opportunistic-screening-for-exposure-to-bullying-in-the-pediatric-emergency-department
#5
Marlene Seltzer, Margaret Menoch, Charity Chen
To assess opportunistic screening for exposure to bullying in the pediatric emergency department (ED), an anonymous survey inquiring about exposure to physical, verbal, social, and cyber bullying behaviors was given to ED patients 5 to 18 years old. The survey asked about being the recipient, perpetrator, and/or witness of bullying; the frequency of exposure; liking school; missing school; and presenting complaint. Either the child or parent could complete the survey. A total of 909 surveys were analyzed. Exposure was 78...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28669527/switch-on-a-more-efficient-pyruvate-synthesis-pathway-based-on-transcriptome-analysis-and-metabolic-evolution
#6
Maohua Yang, Ruonan Chen, Tingzhen Mu, Xiang Zhang, Jianmin Xing
Due to the decrease of intracellular NADH availability, gluconate metabolism is more conducive to pyruvate production than glucose. Transcriptome analysis revealed that the Entner-Doudoroff (ED) pathway was activated by gluconate in Escherichia coli YP211 (MG1655 ΔldhA ΔpflB Δpta-ackA ΔpoxB Δppc ΔfrdBC). To construct a new pyruvate producing strain with glucose metabolism via ED pathway, the genes ppsA, ptsG, pgi and gnd were deleted sequentially to reduce the demand for PEP and block the Embden-Meyerhor-Parnas pathway and Pentose-Phosphate pathway...
June 29, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28659632/assessment-of-erectile-dysfunction-and-associated-psychological-distress-in-chinese-men-with-type-2-diabetes-mellitus
#7
S Chen, D Peng, X Xu, J Gao, F Dai, C Zuo, Q Zhang
To estimate the prevalence of erectile dysfunction (ED) and the level of psychological distress and to assess the inter-associations of them among type 2 diabetic men, a cross-sectional observational study of 335 men with type 2 diabetes and 284 men without diabetes from a hospital in Hefei city, Anhui province, China, was conducted. The erectile function was assessed using the five-item version of the International Index of Erectile Function scale (IIEF-5). The evaluation of psychological distress was completed using a self-administered questionnaire, the Symptom Checklist 90-Revised (SCL-90-R)...
June 29, 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/28648948/randomized-phase-ii-study-comparing-prophylactic-cranial-irradiation-alone-to-prophylactic-cranial-irradiation-and-consolidative-extra-cranial-irradiation-for-extensive-disease-small-cell-lung-cancer-ed-sclc-nrg-oncology-rtog-0937
#8
Elizabeth M Gore, Chen Hu, Alexander Y Sun, Daniel F Grimm, Suresh S Ramalingam, Neal E Dunlap, Kristin A Higgins, Maria Werner-Wasik, Aaron M Allen, Puneeth Iyengar, Gregory M M Videtic, Russell K Hales, Ronald C McGarry, James J Urbanic, Anthony T Pu, Candice A Johnstone, Volker W Stieber, Rebecca Paulus, Jeffrey D Bradley
INTRODUCTION: RTOG-0937 is a randomized phase-II trial evaluating 1-year OS with PCI or PCI plus consolidative radiation therapy (cRT) to intra-thoracic disease and extracranial metastases for ED-SCLC. METHODS: Patients with 1-4 extracranial metastases were eligible after CR or PR to chemotherapy. Randomization was to PCI or PCI+cRT to the thorax and metastases. Original stratification included PR vs CR after chemotherapy and 1 vs 2-4 metastases; age < 65 vs > 65 was added after an observed imbalance...
June 22, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28626959/intramolecular-singlet-fission-in-an-antiaromatic-polycyclic-hydrocarbon
#9
Yishi Wu, Yuancheng Wang, Jianwei Chen, Guanxin Zhang, Jiannian Yao, Deqing Zhang, Hongbing Fu
Singlet fission (SF), in which one singlet exciton (S1 ) splits into two triplets (T1 ) on adjacent molecules through a correlated triplet-pair (1) (TT) state, requires precise but difficult tuning of exciton energetics and intermolecular electronic couplings in the solid state. Antiaromatic 4nπ dibenzopentalenes (DPs) are demonstrated as a new class of single-chromophore-based intramolecular SF materials that exhibit an optically allowed S2 state with E(S2 )>2×E(T1 ) and an optically forbidden S1 state...
August 1, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28625532/emergency-department-do-not-resuscitate-order-in-patients-with-spontaneous-intracerebral-hemorrhage
#10
Ju-Sing Fan, Hsien-Hao Huang, Yen-Chia Chen, Chorng-Kuang How, David Hung-Tsang Yen
OBJECTIVES: To explore the determinant factors and prognostic significance of emergency department do-not-resuscitate (ED-DNR) orders for patients with spontaneous intracerebral hemorrhage (SICH). METHODS: Consecutive adult SICH patients treated in our ED from January 1, 2012 to December 31, 2016 were selected as the eligible cases from our hospital's stroke database. Patients' information was comprehensively reviewed from the database and medical and nursing charts...
June 10, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28621966/rosenbluth-separation-of-the-%C3%AF-0-electroproduction-cross-section-off-the-neutron
#11
M Mazouz, Z Ahmed, H Albataineh, K Allada, K A Aniol, V Bellini, M Benali, W Boeglin, P Bertin, M Brossard, A Camsonne, M Canan, S Chandavar, C Chen, J-P Chen, M Defurne, C W de Jager, R de Leo, C Desnault, A Deur, L El Fassi, R Ent, D Flay, M Friend, E Fuchey, S Frullani, F Garibaldi, D Gaskell, A Giusa, O Glamazdin, S Golge, J Gomez, O Hansen, D Higinbotham, T Holmstrom, T Horn, J Huang, M Huang, G M Huber, C E Hyde, S Iqbal, F Itard, Ho Kang, Hy Kang, A Kelleher, C Keppel, S Koirala, I Korover, J J LeRose, R Lindgren, E Long, M Magne, J Mammei, D J Margaziotis, P Markowitz, A Martí Jiménez-Argüello, F Meddi, D Meekins, R Michaels, M Mihovilovic, N Muangma, C Muñoz Camacho, P Nadel-Turonski, N Nuruzzaman, R Paremuzyan, A Puckett, V Punjabi, Y Qiang, A Rakhman, M N H Rashad, S Riordan, J Roche, G Russo, F Sabatié, K Saenboonruang, A Saha, B Sawatzky, L Selvy, A Shahinyan, S Sirca, P Solvignon, M L Sperduto, R Subedi, V Sulkosky, C Sutera, W A Tobias, G M Urciuoli, D Wang, B Wojtsekhowski, H Yao, Z Ye, L Zana, X Zhan, J Zhang, B Zhao, Z Zhao, X Zheng, P Zhu
We report the first longitudinal-transverse separation of the deeply virtual exclusive π^{0} electroproduction cross section off the neutron and coherent deuteron. The corresponding four structure functions dσ_{L}/dt, dσ_{T}/dt, dσ_{LT}/dt, and dσ_{TT}/dt are extracted as a function of the momentum transfer to the recoil system at Q^{2}=1.75  GeV^{2} and x_{B}=0.36. The ed→edπ^{0} cross sections are found compatible with the small values expected from theoretical models. The en→enπ^{0} cross sections show a dominance from the response to transversely polarized photons, and are in good agreement with calculations based on the transversity generalized parton distributions of the nucleon...
June 2, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28616981/bi-otf-3-mediated-intramolecular-olefinic-cyclization-synthesis-of-substituted-aryl-dihydronaphthalenes-and-indenes
#12
Chieh-Kai Chan, Nai-Chen Hsueh, Yu-Lin Tsai, Meng-Yang Chang
In this article, a facile two-step and one-pot synthetic route for the preparation of substituted aryl dihydronaphthalenes starting from 2-allylbenzaldehydes via Grignard 1,2-addition and Bi(OTf)3-catalyzed intramolecular olefinic cyclization has been developed. A five-membered ring indene skeleton is also prepared via olefin isomerization, 1,2-addition followed by cyclization. Some key structures are determined using single-crystal X-ray crystallography. A possible mechanism is presented herein.
June 21, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28586627/validation-of-a-syndromic-case-definition-for-detecting-emergency-department-visits-potentially-related-to-marijuana
#13
Kathryn DeYoung, Yushiuan Chen, Robert Beum, Michele Askenazi, Cali Zimmerman, Arthur J Davidson
OBJECTIVES: Reliable methods are needed to monitor the public health impact of changing laws and perceptions about marijuana. Structured and free-text emergency department (ED) visit data offer an opportunity to monitor the impact of these changes in near-real time. Our objectives were to (1) generate and validate a syndromic case definition for ED visits potentially related to marijuana and (2) describe a method for doing so that was less resource intensive than traditional methods. METHODS: We developed a syndromic case definition for ED visits potentially related to marijuana, applied it to BioSense 2...
July 2017: Public Health Reports
https://www.readbyqxmd.com/read/28577498/telomerase-reverse-transcriptase-genetically-modified-adipose-tissue-derived-stem-cells-improves-erectile-dysfunction-by-inhibiting-oxidative-stress-and-enhancing-proliferation-in-rat-model
#14
Xiao-Jun Wu, Wen-Hao Shen, Peng He, Xiao-Zhou Zhou, Yi Zhi, Qiang Dai, Zhi-Wen Chen, Zhan-Song Zhou
Erectile dysfunction (ED) is considered to be incapable of obtaining or/and keeping a sufficient erection function to receive the satisfactory during the sexual intercourse. This study aims to investigate the effects of telomerase reverse transcriptase (hTERT) modified adipose tissue derived stem cells (ADSCs) autologously injected into cavernosa of the ED rats on erectile function. The ADSCs were isolated form the rat subcutaneous adipose tissue sample, and identified by examining the CD29 and CD44 molecule...
August 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28559039/geographic-variation-in-use-of-ambulance-transport-to-the-emergency-department
#15
Amresh D Hanchate, Michael K Paasche-Orlow, K Sophia Dyer, William E Baker, Chen Feng, James Feldman
STUDY OBJECTIVE: Evidence on variability in emergency medical services use is limited. We obtain national evidence on geographic variation in the use of ambulance transport to the emergency department (ED) among Medicare enrollees and assess the role of health status, socioeconomic status, and provider availability. METHODS: We used 2010 Medicare claims data for a random sample of 999,999 enrollees aged 66 years and older, and identified ambulance transport and ED use...
May 27, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28553762/evaluation-of-serum-neutrophil-gelatinase-associated-lipocalin-in-predicting-acute-kidney-injury-in-critically-ill-patients
#16
Chen-Chen Hang, Jun Yang, Shuo Wang, Chun-Sheng Li, Zi-Ren Tang
Objective This investigation evaluated the real-time point-of-care testing (RT-POCT) of neutrophil gelatinase-associated lipocalin (NGAL) for detecting acute kidney injury (AKI) and prognosis of critically ill patients. Methods A total of 249 critically ill patients in the emergency department (ED), who were diagnosed with acute decompensated heart failure, sepsis or diabetic ketoacidosis were enrolled in this study. All enrolled patients were followed up for 28 days or to death and the mortalities were recorded...
June 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28550123/essential-role-for-histone-deacetylase-11-hdac11-in-neutrophil-biology
#17
Eva Sahakian, Jie Chen, John J Powers, Xianghong Chen, Kamira Maharaj, Susan L Deng, Maritza Lienlaf, Hong Wei Wang, Fengdong Cheng, Andressa L Sodré, Allison Distler, Limin Xing, Patricio Perez-Villarroel, Sheng Wei, Alejandro Villagra, Ed Seto, Eduardo M Sotomayor, Pedro Horna, Javier Pinilla-Ibarz
Epigenetic changes in chromatin structure have been recently associated with the deregulated expression of critical genes in normal and malignant processes. HDAC11, the newest member of the HDAC family of enzymes, functions as a negative regulator of IL-10 expression in APCs, as previously described by our lab. However, at the present time, its role in other hematopoietic cells, specifically in neutrophils, has not been fully explored. In this report, for the first time, we present a novel physiologic role for HDAC11 as a multifaceted regulator of neutrophils...
May 26, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28522875/serum-uric-acid-is-associated-with-erectile-dysfunction-a-population-based-cross-sectional-study-in-chinese-men
#18
Fengbin Gao, Boren Jiang, Zhen Cang, Ningjian Wang, Bing Han, Qin Li, Yi Chen, Yingchao Chen, Fangzhen Xia, Hualing Zhai, Chi Chen, Meng Lu, Ying Meng, Yingli Lu, Zhoujun Shen
The role that serum uric acid (UA) plays in the pathophysiological development of erectile dysfunction (ED) is controversial. We aimed to screen the factors related with ED, and to examine the association between serum UA and ED. Our data were derived from a cross-sectional Survey on Prevalence in East China for Metabolic Diseases and Risk Factors study in 2014-2015. Questionnaire of International Index of Erectile Dysfunction-5 was used for assessment of ED. Data were collected in three general communities respectively...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28511298/-influence-of-aluminum-chloride-exposure-on-embryonic-development-of-zebrafish-and-neurobehavior-of-juvenile-fish
#19
J P Chen, N Shang, K H He, L Zhang, Q Niu, Q L Zhang
Objective: To investigate the influence of aluminum chloride (AlCl(3)) solution on the embryon-ic development of zebrafish and neurobehavior of juvenile fish. Methods: The embryos of zebrafishat 6 hours after fertilization were exposed to AlCl(3) solution at a concentration of 0, 55.0, 60.5, 66.6, 73.5, 80.5, or 100.0 mg/L, and embryonic hatching rates at 48 and 72 hours after fertilization were calculated. The embryos of zebrafishat 6 hours after fertilization were exposed to AlCl(3) solution at a concentration of 0, 60...
March 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28494994/predicting-return-visits-to-the-emergency-department-for-pediatric-patients-applying-supervised-learning-techniques-to-the-taiwan-national-health-insurance-research-database
#20
Ya-Han Hu, Chun-Tien Tai, Solomon Chih-Cheng Chen, Hai-Wei Lee, Sheng-Feng Sung
BACKGROUND AND OBJECTIVE: Return visits (RVs) to the emergency department (ED) consume medical resources and may represent a patient safety issue. The occurrence of unexpected RVs is considered a performance indicator for ED care quality. Because children are susceptible to medical errors and utilize considerable ED resources, knowing the factors that affect RVs in pediatric patients helps improve the quality of pediatric emergency care. METHODS: We collected data on visits made by patients aged ≤18years to EDs from the National Health Insurance Research Database...
June 2017: Computer Methods and Programs in Biomedicine
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