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https://www.readbyqxmd.com/read/29791779/a-recent-perspective-on-noncovalently-formed-polymeric-hydrogels
#1
REVIEW
Kun Xue, Sing Shy Liow, Anis Abdul Karim, Zibiao Li, Xian Jun Loh
Chemically crosslinked covalent hydrogels form a permanent and often strong network, and have been extensively used so far in drug delivery and tissue engineering. However, it is more difficult to induce dynamic and highly tunable changes in these hydrogels. Noncovalently formed hydrogels show promise as inherently reversible systems with an ability to change in response to dynamic environments, and have garnered strong interest recently. In this Personal Account, we elucidate a few key attractive properties of noncovalent hydrogels and describe recent developments in hydrogels crosslinked using various different noncovalent interactions...
May 23, 2018: Chemical Record: An Official Publication of the Chemical Society of Japan ... [et Al.]
https://www.readbyqxmd.com/read/29791452/validity-and-reliability-of-two-alternate-versions-of-the-montreal-cognitive-assessment-hong-kong-version-for-screening-of-mild-neurocognitive-disorder
#2
Adrian Wong, Stanley Yiu, Ziad Nasreddine, Kam-Tat Leung, Alexander Lau, Yannie O Y Soo, Lawrence Ka-Sing Wong, Vincent Mok
OBJECTIVE: Repeated testing using the Montreal Cognitive Assessment (MoCA) increases risks for practice effects which may bias measurements of cognitive change. The objective of this study is to develop two alternate versions of the MoCA (Hong Kong version; HK-MoCA) and to investigate the validity and reliability of the alternate versions in patients with DSM-5 Mild Neurocognitive Disorder (Mild NCD) and cognitively healthy controls. METHODS: Concurrent validity and inter-scale agreement were examined by Pearson correlation of the total scores between the original and alternate versions and the Bland-Altman Method...
2018: PloS One
https://www.readbyqxmd.com/read/29791400/temperature-independent-hygrometry-using-micromachined-photonic-crystal-fiber
#3
Pan Zhang, Hangzhou Yang, Kok-Sing Lim, Harith Ahmad, Qiangzhou Rong, Qin Tian, Xiangzi Ding
An in-fiber Mach-Zehnder interferometer (MZI) is proposed and experimentally demonstrated for relative humidity (RH) and temperature measurements. The MZI is formed by a grapefruit-shaped photonic crystal fiber (G-PCF) cascaded with a short section of multimode fiber that serves as a mode coupler. To enhance sensitivity to humidity, femtosecond laser micromachining was performed to remove a portion of cladding of the G-PCF to expose its core to the ambient medium. The output interference spectrum is fast Fourier transformed to produce a spatial frequency spectrum that describes the intensity composition of the cladding modes in the MZI...
May 20, 2018: Applied Optics
https://www.readbyqxmd.com/read/29790925/effectiveness-of-13-valent-pneumococcal-conjugate-vaccine-against-hospitalization-for-community-acquired-pneumonia-in-older-us-adults-a-test-negative-design
#4
John M McLaughlin, Qin Jiang, Raul E Isturiz, Heather L Sings, David L Swerdlow, Bradford D Gessner, Ruth M Carrico, Paula Peyrani, Timothy L Wiemken, William A Mattingly, Julio A Ramirez, Luis Jodar
Background: Following universal recommendation for use of 13-valent pneumococcal conjugate vaccine (PCV13) in US adults aged ≥65 years in September 2014, we conducted the first real-world evaluation of PCV13 vaccine effectiveness (VE) against hospitalized vaccine-type community-acquired pneumonia (CAP) in this population. Methods: Using a test-negative design, we identified cases and controls from a population-based surveillance study of adults in Louisville, Kentucky, who were hospitalized with CAP...
May 21, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29790849/-n-methyl-d-aspartate-receptor-antibody-encephalitis-the-janus-faced-disorder
#5
Ildiko Sipos
The recognition of the antibody-mediated encephalitis as a separate entity among the immune disorders of the central nervous system was one of the greatest breakthroughs of the last two decades in neurology. Unlike viral or tumor-related encephalitis, the antibody-mediated form has a good response to immunotherapy, which gives a special clinical importance to the discovery. Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is one of the first fully characterized antibody-mediated encephalitises. This article attempts to summarize the clinical features of this complex neuropsychiatric disorder with the aim to help its early recognition and to report the clinical course and the outcome of our six seropositive anti-NMDAR cases...
March 2018: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/29788187/distracted-driving-and-risk-of-crash-or-near-crash-involvement-among-older-drivers-using-naturalistic-driving-data-with-a-case-crossover-study-design
#6
Carrie Huisingh, Cynthia Owsley, Emily B Levitan, Marguerite R Irvin, Paul MacLennan, Gerald McGwin
Background: The purpose of this study was to examine the association between secondary task involvement and risk of crash and near-crash involvement among older drivers using naturalistic driving data. Methods: Data from drivers aged ≥70 years in the Strategic Highway Research Program (SHRP2) Naturalistic Driving Study database was utilized. The personal vehicle of study participants was equipped with four video cameras enabling recording of the driver and the road environment...
May 17, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29782535/mycobacterium-tuberculosis-specific-cd4-and-cd8-t-cells-differ-in-their-capacity-to-recognize-infected-macrophages
#7
Jason D Yang, Daniel Mott, Rujapak Sutiwisesak, Yu-Jung Lu, Fiona Raso, Britni Stowell, Greg Hunter Babunovic, Jinhee Lee, Steve M Carpenter, Sing Sing Way, Sarah M Fortune, Samuel M Behar
Containment of Mycobacterium tuberculosis (Mtb) infection requires T cell recognition of infected macrophages. Mtb has evolved to tolerate, evade, and subvert host immunity. Despite a vigorous and sustained CD8+ T cell response during Mtb infection, CD8+ T cells make limited contribution to protection. Here, we ask whether the ability of Mtb-specific T cells to restrict Mtb growth is related to their capacity to recognize Mtb-infected macrophages. We derived CD8+ T cell lines that recognized the Mtb immunodominant epitope TB10...
May 21, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29781959/involvement-of-the-vgf-derived-peptide-tlqp-62-in-nerve-injury-induced-hypersensitivity-and-spinal-neuroplasticity
#8
Alexander G J Skorput, Xijing Zhang, Jonathan J Waataja, Cristina D Peterson, Maureen S Riedl, Kelley F Kitto, Hai Truong, Cecilia Huffman, Stephen R Salton, Carolyn A Fairbanks, Christopher N Honda, Lucy Vulchanova
Neuroplasticity in the dorsal horn following peripheral nerve damage contributes critically to the establishment of chronic pain. The neurosecretory protein VGF (non-acronymic) is rapidly and robustly upregulated following nerve injury, and therefore peptides generated from it are positioned to serve as signals for peripheral damage. The goal of this project was to understand the spinal modulatory effects of the C-terminal VGF derived peptide TLQP-62 at the cellular level and gain insight into the function of the peptide in the development of neuropathic pain...
May 16, 2018: Pain
https://www.readbyqxmd.com/read/29781482/stabilization-of-organometallic-halide-perovskite-nanocrystals-in-aqueous-solutions-and-their-applications-in-copper-ion-detection
#9
Chunqing Ma, Ming-Fai Lo, Chun-Sing Lee
Stabilization of two-dimensional (2D) PEA2PbI4 (PEA is phenethylammonium) perovskite nanocrystals (PNCs) in water is achieved. By inhibiting the desorption process, the PNCs show exceptional stability for more than 2 months in PEA+ aqueous solutions. Stabilized PNCs are successfully applied for probing Cu2+ in aqueous solution.
May 21, 2018: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/29781372/chinese-perspectives-on-primary-care-for-common-mental-disorders-barriers-and-policy-implications
#10
Kai Sing Sun, Tai Pong Lam, Dan Wu
BACKGROUND: The World Health Organization (WHO) has called for integration of mental health into primary care for a decade. In Western countries, around 15% to 25% of patients with common mental disorders including mood and anxiety disorders seek help from primary care physicians (PCPs). The rate is only about 5% in China. AIMS: This article reviews the Chinese findings on the barriers to primary care for common mental disorders and how they compared with Western findings...
May 1, 2018: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/29780535/-de-novo-design-of-d-%C3%AF-a-molecules-as-universal-hosts-for-monochrome-and-white-phosphorescent-organic-light-emitting-diodes
#11
Wen-Cheng Chen, Yi Yuan, Ze-Lin Zhu, Zuo-Quan Jiang, Shi-Jian Su, Liang-Sheng Liao, Chun-Sing Lee
Two novel D-σ-A host materials 11,11-bis(9-phenyl-9 H -carbazol-3-yl)-11 H -benzo[4,5]imidazo[1,2- a ]indole (BII-BCz) and 4,4'-(11 H -benzo[4,5]imidazo[1,2- a ]indole-11,11-diyl)bis( N , N -diphenylaniline) (BII-TPA) are synthesized by using the sp3 carbon attached to a newly designed 11 H -benzo[4,5]imidazo[1,2- a ]indole building block to link two electron-donating groups. The resulting materials feature high triplet energy levels, good thermal properties and suitable photophysical properties as universal hosts for full-color phosphorescent organic light-emitting diodes (OLEDs)...
May 7, 2018: Chemical Science
https://www.readbyqxmd.com/read/29779736/precursors-to-the-performing-arts-in-infancy-and-early-childhood
#12
Sandra E Trehub, Laura K Cirelli
Across cultures, aspects of music and dance contribute to everyday life in a variety of ways that do not depend on artistry, aesthetics, or expertise. In this chapter, we focus on precursors to music and dance that are evident in infancy: the underlying perceptual abilities, parent-infant musical interactions that are motivated by nonmusical goals, the consequences of such interactions for mood regulation and social regulation, and the emergence of rudimentary singing and rhythmic movement to music. These precursors to music and dance lay the groundwork for our informal engagement with music throughout life and its continuing effects on mood regulation, affiliation, and well-being...
2018: Progress in Brain Research
https://www.readbyqxmd.com/read/29778294/the-association-between-psychotic-experiences-and-health-related-quality-of-life-a-cross-national-analysis-based-on-world-mental-health-surveys
#13
Jordi Alonso, Sukanta Saha, Carmen C W Lim, Sergio Aguilar-Gaxiola, Ali Al-Hamzawi, Corina Benjet, Evelyn J Bromet, Louisa Degenhardt, Giovanni de Girolamo, Oluyomi Esan, Silvia Florescu, Oye Gureje, Josep M Haro, Chiyi Hu, Elie G Karam, Georges Karam, Viviane Kovess-Masfety, Jean-Pierre Lepine, Sing Lee, Zeina Mneimneh, Fernando Navarro-Mateu, Jose Posada-Villa, Nancy A Sampson, Kate M Scott, Juan Carlos Stagnaro, Margreet Ten Have, Maria Carmen Viana, Ronald C Kessler, John J McGrath
Psychotic experiences (PEs) are associated with a range of mental and physical disorders, and disability, but little is known about the association between PEs and aspects of health-related quality of life (HRQoL). We aimed to investigate the association between PEs and five HRQoL indicators with various adjustments. Using data from the WHO World Mental Health surveys (n = 33,370 adult respondents from 19 countries), we assessed for PEs and five HRQoL indicators (self-rated physical or mental health, perceived level of stigma (embarrassment and discrimination), and social network burden)...
May 16, 2018: Schizophrenia Research
https://www.readbyqxmd.com/read/29775475/perceptions-of-community-safety-and-social-activity-participation-among-youth-in-south-africa
#14
Nicole De Wet, Oluwaseyi Somefun, Ndivhuwo Rambau
BACKGROUND: Crime and violence causes massive disruptions to the health, survival and development of populations. In South Africa, incredibly high rates of crime and violence are noted. The country also has a very large youth population whose health, survival and development are key to economic growth. Among other efforts to encourage healthy youth development and the promotion of social activities such as sports, youth groups, choirs and so forth. This study examines the relationship between perceived community safety and the uptake of social activities among youth in South Africa...
2018: PloS One
https://www.readbyqxmd.com/read/29770828/ozone-mediated-synthesis-of-ceria-nanoparticles
#15
Anuja Bhalkikar, Tai-Sing Wu, Chris M Marin, Tamra J Fisher, Meiyu Wang, Isaac H Wells, Anandakumar Sarella, Yun-Liang Soo, Chin Li Cheung
We report a rapid, room temperature methodology to synthesize fluorite-structured ceria nanoparticles using cerium(iii) salts and ozone in the presence of short chain primary, secondary, and tertiary alcohols. This simple technique produced nanoparticles with higher oxygen vacancy compared to that of bulk ceria.
May 17, 2018: Nanoscale
https://www.readbyqxmd.com/read/29770295/recent-innovations-in-perfusion-and-cardiopulmonary-bypass-for-neonatal-and-infant-cardiac-surgery
#16
REVIEW
David Sturmer, Claude Beaty, Sean Clingan, Eric Jenkins, Whitney Peters, Ming-Sing Si
The development and refinement of cardiopulmonary bypass (CPB) has made the repair of complex congenital heart defects possible in neonates and infants. In the past, the primary goal for these procedures was patient survival. Now that substantial survival rates have been achieved for even the most complex of repairs in these patients, focus has been given to the reduction of morbidity. Although a necessity for these complex neonatal and infant heart defect repairs, CPB can also be an important source of perioperative complications...
April 2018: Translational Pediatrics
https://www.readbyqxmd.com/read/29770289/innovation-in-pediatric-cardiac-care
#17
Ming-Sing Si
No abstract text is available yet for this article.
April 2018: Translational Pediatrics
https://www.readbyqxmd.com/read/29769253/effectiveness-of-23-valent-pneumococcal-polysaccharide-vaccine-on-elderly-long-term-cancer-survivors-a-population-based-propensity-score-matched-cohort-study
#18
Wen-Yen Chiou, Moon-Sing Lee, Shih-Kai Hung, Hon-Yi Lin, Yuan-Chen Lo, Feng-Chun Hsu, Shiang-Jiun Tsai, Chung-Yi Li
OBJECTIVE: The Advisory Committee on Immunization Practices in 2012 recommended the 23-valent pneumococcal polysaccharide vaccine (PPSV23) for adults with high risk of pneumonia. However, its effectiveness in cancer survivors has not been investigated. Our aim was to investigate the effectiveness of PPSV23 in these patients. DESIGN: Population-based matched cohort study. SETTING: Claim data were obtained from 1 million people registered with the National Health Insurance Research Database in 1996, and followed to 2010...
May 16, 2018: BMJ Open
https://www.readbyqxmd.com/read/29769074/delay-in-reviewing-test-results-prolongs-hospital-length-of-stay-a-retrospective-cohort-study
#19
Mei-Sing Ong, Farah Magrabi, Enrico Coiera
BACKGROUND: Failure in the timely follow-up of test results has been widely documented, contributing to delayed medical care. Yet, the impact of delay in reviewing test results on hospital length of stay (LOS) has not been studied. We examine the relationship between laboratory tests review time and hospital LOS. METHODS: A retrospective cohort study of inpatients admitted to a metropolitan teaching hospital in Sydney, Australia, between 2011 and 2012 (n = 5804)...
May 16, 2018: BMC Health Services Research
https://www.readbyqxmd.com/read/29769016/whole-genome-sequencing-data-of-1110-mycobacterium-tuberculosis-isolates-identifies-insertions-and-deletions-associated-with-drug-resistance
#20
Xi Zeng, Jamie Sui-Lam Kwok, Kevin Yi Yang, Kenneth Siu-Sing Leung, Mai Shi, Zhiyuan Yang, Wing-Cheong Yam, Stephen Kwok-Wing Tsui
BACKGROUND: Drug resistance in Mycobacterium tuberculosis (MTB) is one of the major challenges in tuberculosis (TB) treatment. However, known mutations cannot explain all of the cases of resistance and little research has focused on the relationship between insertions / deletions (indels) and drug resistance. RESULTS: Here, we retrieved whole genome sequencing data of 743 drug-resistant MTB strains and 367 pan-susceptible strains from TB patients from the public domain to identify novel genomic markers of drug resistance...
May 16, 2018: BMC Genomics
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