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https://www.readbyqxmd.com/read/28106984/pore-space-partition-in-metal-organic-frameworks
#1
Quan-Guo Zhai, Xianhui Bu, Xiang Zhao, Dong-Sheng Li, Pingyun Feng
Metal-organic framework (MOF) materials have emerged as one of the favorite crystalline porous materials (CPM) because of their compositional and geometric tunability and many possible applications. In efforts to develop better MOFs for gas storage and separation, a number of strategies including creation of open metal sites and implantation of Lewis base sites have been used to tune host-guest interactions. In addition to these chemical factors, the geometric features such as pore size and shape, surface area, and pore volume also play important roles in sorption energetics and uptake capacity...
January 20, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28099064/surgical-intervention-for-primary-spontaneous-pneumothorax-in-pediatric-population-when-and-why
#2
Fanny Yeung, Patrick H Y Chung, Esther L Y Hung, Chi Sum Yuen, Paul K H Tam, Kenneth K Y Wong
INTRODUCTION: Spontaneous pneumothorax in pediatric patients is relatively uncommon. The management strategy varies in different centers due to dearth of evidence-based pediatric guidelines. In this study, we reviewed our experience of thoracoscopic management of primary spontaneous pneumothorax (PSP) in children and identified risk factors associated with postoperative air leakage and recurrence. MATERIALS AND METHODS: We performed a retrospective analysis of pediatric patients who had PSP and underwent surgical management in our institution between April 2008 and March 2015...
January 18, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28096830/is-it-possible-to-standardize-the-treatment-of-primary-spontaneous-pneumothorax-part-2-surgical-methods-of-treatment
#3
Wojciech Rokicki, Marek Rokicki, Jacek Wojtacha, Marek Filipowski, Agata Dżejlili, Damian Czyżewski
The present report provides a detailed description of the surgical methods for primary spontaneous pneumothorax (PSP) treatment, from open surgery (thoracotomy) to minimally invasive procedures (video-assisted thoracoscopic surgery - VATS). It describes the methods of preventing pneumothorax recurrence, including partial or complete resection of the parietal pleura and chemical pleurodesis with VATS. The pros and cons of each method are presented. The paper also discusses new techniques for diagnosing pneumothorax, such as fluorescein-enhanced autofluorescence thoracoscopy (FEAT) and infrared thoracoscopy...
December 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28096829/is-it-possible-to-standardize-the-treatment-of-primary-spontaneous-pneumothorax-part-1-etiology-symptoms-diagnostics-minimally-invasive-treatment
#4
Wojciech Rokicki, Marek Rokicki, Jacek Wojtacha, Marek Filipowski, Agata Dżejlili, Damian Czyżewski
The authors of this report present the history of primary spontaneous pneumothorax (PSP) treatment, its etiology, clinical symptoms, and diagnostic methodology. Further, they discuss minimally invasive methods of treating PSP such as thoracentesis and chemical pleurodesis. They discuss the pros and cons of each method, emphasizing that, according to the international recommendations, they should be used as the first line of treatment for PSP.
December 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28094171/the-relationship-of-cognitive-improvement-after-cognitive-remediation-with-social-functioning-in-patients-with-schizophrenia-and-severe-cognitive-deficits
#5
J P Lindenmayer, Samantha Fregenti, Guoxin Kang, Veronica Ozog, Isidora Ljuri, Anzalee Khan, A Goldring, Susan R McGurk
BACKGROUND: This study aims to examine the effects of change in neurocognition on functional outcomes and to examine predictors of change in social functions following a 12-week course of cognitive remediation in patients with schizophrenia and schizoaffective disorder with severe cognitive impairments. METHOD: Level of social functioning was assessed using a performance based measure of functional capacity (PSP) in patients prior to and after the completion of 12-week cognitive remediation treatment (CRT)...
January 13, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28093868/applicability-of-the-chinese-version-of-the-personal-and-social-performance-scale-in-patients-with-severe-mental-disorders
#6
Ying Qiao, Shen He, Liang Su, Jian-Zheng Zhu, Jian-Hua Sheng, Hua-Fang Li
INTRODUCTION: This study was designed to determine the reliability and validity of the Chinese version of the Personal and Social Performance scale (PSP-CHN) and assess the applicability of using the PSP-CHN in patients with severe mental disorders. METHODS: A total of 285 outpatients with severe mental disorders, 220 with schizophrenia and 65 with major depressive disorder, were enrolled into the study. Both diagnoses were made using the DSM-IV. All the patients were assessed with the PSP-CHN, the GAF, and the CGI-S...
January 16, 2017: Asia-Pacific Psychiatry: Official Journal of the Pacific Rim College of Psychiatrists
https://www.readbyqxmd.com/read/28088269/association-of-mmp-2-and-mmp-9-expression-with-recurrences-in-primary-spontaneous-pneumothorax
#7
Ying-Fong Huang, Wen-Chin Chiu, Shah-Hwa Chou, Yu-Han Su, Yu-Wen Chen, Chee-Yin Chai, Chih-Jen Huang, Ming-Yii Huang, Shyng-Shiou F Yuan, Yi-Chen Lee
Primary spontaneous pneumothorax (PSP) is a common benign problem. However, PSP recurrence is still a troublesome complication for most patients. This study intended to determine the role of matrix metalloproteinase-2 (MMP-2) and MMP-9 in type II pneumocytes of patients with PSP and its relation with recurrence. Ninety-one patients who had undergone needlescopic video-assisted thoracoscopic surgery wedge resection of lung with identifiable blebs for PSP were included in this study. Immunohistochemical (IHC) staining was used to measure the expression of MMP-2 and MMP-9 in lung tissues of PSP patients...
January 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28078564/mri-measurements-of-brainstem-structures-in-patients-with-vascular-parkinsonism-progressive-supranuclear-palsy-and-parkinson-s-disease
#8
Byeong C Kim, Seong-Min Choi, Kang-Ho Choi, Tai-Seung Nam, Joon-Tae Kim, Seung-Han Lee, Man-Seok Park, Woong Yoon
Magnetic resonance (MR) measurements of brainstem structures have been reported to be useful in differentiating patients with progressive supranuclear palsy (PSP) from those with Parkinson's disease (PD). The aim of this study was to determine whether quantitative measurements of brainstem structures on MR images can help differentiate vascular parkinsonism (VaP) from degenerative parkinsonism (PD and PSP). Areas of the midbrain and pons, and widths of the superior cerebellar peduncle (SCP) and middle cerebellar peduncle (MCP) were measured in 62 patients with PD, 25 patients with PSP (11 probable and 14 possible), and 24 patients with VaP on T 1-weighted MR images...
January 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28076667/effectiveness-of-antipsychotic-drugs-for-24-month-maintenance-treatment-in-first-episode-schizophrenia-evidence-from-a-community-based-real-world-study
#9
Chen Zhang, Mei-Juan Chen, Guo-Jun Wu, Zuo-Wei Wang, Shun-Zeng Rao, Yi Zhang, Zheng-Hui Yi, Wei-Min Yang, Ke-Ming Gao, Li-Sheng Song
OBJECTIVE: Maintenance treatment of schizophrenia with antipsychotic medications has become a standard for the prevention of psychotic relapse. However, little is known about the effectiveness of antipsychotic drugs for maintenance treatment in "real-world" populations with schizophrenia. We carried out a prospective study to assess the effectiveness of the most frequently prescribed antipsychotic drugs in the maintenance treatment of schizophrenia from 2 community settings. METHODS: This study was conducted from October 2011 to December 2014...
November 2016: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28073524/distribution-occurrence-and-biotoxin-composition-of-the-main-shellfish-toxin-producing-microalgae-within-european-waters-a-comparison-of-methods-of-analysis
#10
Sara E McNamee, Linda K Medlin, Jessica Kegel, Gary R McCoy, Robin Raine, Lucia Barra, Maria Valeria Ruggiero, Wiebe H C F Kooistra, Marina Montresor, Johannes Hagstrom, Eva Perez Blanco, Edna Graneli, Francisco Rodríguez, Laura Escalera, Beatriz Reguera, Simon Dittami, Bente Edvardsen, Joe Taylor, Jane M Lewis, Yolanda Pazos, Christopher T Elliott, Katrina Campbell
Harmful algal blooms (HABs) are a natural global phenomena emerging in severity and extent. Incidents have many economic, ecological and human health impacts. Monitoring and providing early warning of toxic HABs are critical for protecting public health. Current monitoring programmes include measuring the number of toxic phytoplankton cells in the water and biotoxin levels in shellfish tissue. As these efforts are demanding and labour intensive, methods which improve the efficiency are essential. This study compares the utilisation of a multitoxin surface plasmon resonance (multitoxin SPR) biosensor with enzyme-linked immunosorbent assay (ELISA) and analytical methods such as high performance liquid chromatography with fluorescence detection (HPLC-FLD) and liquid chromatography-tandem mass spectrometry (LC-MS/MS) for toxic HAB monitoring efforts in Europe...
May 2016: Harmful Algae
https://www.readbyqxmd.com/read/28073499/physiological-and-transcriptional-responses-to-inorganic-nutrition-in-a-tropical-pacific-strain-of-alexandrium-minutum-implications-for-the-saxitoxin-genes-and-toxin-production
#11
Kieng Soon Hii, Po Teen Lim, Nyuk Fong Kon, Yoshinobu Takata, Gires Usup, Chui Pin Leaw
Saxitoxins (STXs) constitute a family of potent sodium channel blocking toxins, causative agents of paralytic shellfish poisoning (PSP), and are produced by several species of marine dinoflagellates and cyanobacteria. Two STX-core genes, sxtA and sxtG, have been well elucidated in Alexandrium but the expression of these genes under various nutritional modes in tropical species remains unclear. This study investigates the physiological responses of a tropical Pacific strain of Alexandrium minutum growing with nitrate or ammonium, and with various nitrogen to phosphorus (N:P) supply ratios...
June 2016: Harmful Algae
https://www.readbyqxmd.com/read/28073495/influence-of-nitrogen-availability-on-the-expression-of-genes-involved-in-the-biosynthesis-of-saxitoxin-and-analogs-in-cylindrospermopsis-raciborskii
#12
Paula Vico, Luis Aubriot, Fátima Martigani, Natalia Rigamonti, Sylvia Bonilla, Claudia Piccini
The development of cyanobacterial blooms in inland aquatic ecosystems is greatly promoted by nutrient availability, especially nitrogen and phosphorous. When blooms are dominated by toxigenic species the harmful effects of nutrient loading becomes particularly relevant. Among toxic species, Cylindrospermopsis raciborskii found in South American ecosystems is characterized by the production of saxitoxin and analogs (Paralytic Shellfish Poisoning, PSP), for which the factors that trigger their production have not been elucidated...
June 2016: Harmful Algae
https://www.readbyqxmd.com/read/28073439/the-competitive-dynamics-of-toxic-alexandrium-fundyense-and-non-toxic-alexandrium-tamarense-the-role-of-temperature
#13
Lisa K Eckford-Soper, Eileen Bresnan, Jean-Pierre Lacaze, David H Green, Keith Davidson
The dinoflagellate Alexandrium produces paralytic shellfish poisoning toxins. The genus is globally distributed, with Scottish waters being of particular interest due to the co-occurrence of different species and strains. In Scottish waters, Alexandrium was historically thought to be dominated by the highly toxic (Group I) Alexandrium fundyense. However, the morphologically indistinguishable (Group III) Alexandrium tamarense has recently also been found to co-occur, raising important questions in relation to Alexandrium biogeography...
March 2016: Harmful Algae
https://www.readbyqxmd.com/read/28066601/postoperative-predictors-of-ipsilateral-and-contralateral-recurrence-in-patients-with-primary-spontaneous-pneumothorax
#14
Ying-Yi Chen, Hsu-Kai Huang, Hung Chang, Shih-Chun Lee, Tsai-Wang Huang
BACKGROUND: Preventive surgery for contralateral recurrence of primary spontaneous pneumothorax (PSP) remains controversial and few studies discussed both ipsilateral and contralateral recurrences simultaneously. Thus, we aimed to identify the predictors of ipsilateral and contralateral PSP recurrence and to review literatures on the association of blebs/bullae on HRCT with PSP recurrence. METHODS: We retrospectively reviewed consecutive patients who were treated at our hospital for first recurrence of PSP between January 2001 and December 2005...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28064358/incipient-progressive-supranuclear-palsy-is-more-common-than-expected-and-may-comprise-clinicopathological-subtypes-a-forensic-autopsy-series
#15
Koji Yoshida, Yukiko Hata, Koshi Kinoshita, Shutaro Takashima, Kortaro Tanaka, Naoki Nishida
We investigated 998 serial Japanese forensic autopsy cases (0-101 years old, mean age 61.7 ± 21.9), with no case selection, using immunohistochemistry to detect cases with progressive supranuclear palsy (PSP). Twenty-nine cases (mean age 82.3 ± 7.2 years, 11 males, 18 females) fulfilled the National Institute of Neuronal Disorders and Stroke (NINDS)-PSP pathological criteria (2.9% of all cases, 4.6% of cases over 60). All had neuronal and glial inclusions in the basal ganglia and brainstem. However, 13 cases had low tau pathology and were categorized as atypical PSP...
January 7, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28058244/occurrence-of-harmful-algal-species-and-shellfish-toxicity-in-sardinia-italy
#16
Anna Maria Bazzoni, Alessandro Graziano Mudadu, Giuseppa Lorenzoni, Igor Arras, Antonella Lugliè, Barbara Vivaldi, Valentina Cicotelli, Giovanna Sanna, Giuseppe Tedde, Salvatore Ledda, Enrico Alesso, Edoardo Marongiu, Sebastiano Virgilio
Sardinia (Italy, north-western Mediterranean) is a commercially important producer of edible bivalve molluscs. Since the early 2000s, it was subjected to recurring cases of mussel farm closures due to toxic algal poison. Here, we present the studies on toxin concentrations and the associated potentially toxic phytoplankton distribution and abundances carried out by a regular monitoring programme in Sardinian shellfish areas, from January to May 2015. Diarrheic shellfish poisoning (DSP) toxins were detected in several bivalve molluscs samples, while paralytic shellfish poisoning (PSP) and paralytic shellfish poisoning toxins were present just once, without exceeding the legal limits...
September 20, 2016: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/28057431/advanced-structural-neuroimaging-in-progressive-supranuclear-palsy-where-do-we-stand
#17
REVIEW
Albert Stezin, Abhishek Lenka, Ketan Jhunjhunwala, Jitender Saini, Pramod K Pal
Progressive supranuclear palsy (PSP) is a progressive neurological disorder characterized by presence of supranuclear gaze palsy, early postural instability, parkinsonism and cognitive impairment. Advanced structural neuroimaging studies have demonstrated variable areas of grey and white matter involvement in PSP. Grey matter (GM) involvement is predominantly reported in the midbrain, subcortical structures such as thalamus and basal ganglia, and cerebellum. Most white matter (WM) tracts are also reported to be damaged in PSP...
December 26, 2016: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28032501/single-particle-ratiometric-pressure-sensing-based-on-double-sensor-colloidal-nanocrystals
#18
Monica Lorenzon, Valerio Pinchetti, Francesco Bruni, Wan Ki Bae, Francesco Meinardi, Victor I Klimov, Sergio Brovelli
Ratiometric pressure sensitive paints (r-PSPs) are all-optical probes for monitoring oxygen flows in the vicinity of complex or miniaturized surfaces. They typically consist of a porous binder embedding mixtures of a reference and a sensor chromophore exhibiting oxygen-insensitive and oxygen-responsive luminescence, respectively. Here, we demonstrate the first example of an r-PSP based on a single two-color emitter that removes limitations of r-PSPs based on chromophore mixtures such as different temperature dependencies of the two chromophores, cross-readout between the reference and sensor signals and phase segregation...
January 10, 2017: Nano Letters
https://www.readbyqxmd.com/read/28031995/prevalence-of-progressive-supranuclear-palsy-in-yonago-change-throughout-a-decade
#19
Hiroshi Takigawa, Michio Kitayama, Kenji Wada-Isoe, Hisanori Kowa, Kenji Nakashima
BACKGROUND: Progressive supranuclear palsy (PSP) is a neurodegenerative disorder that is sometimes confused with Parkinson's disease, multiple system atrophy, and other disorders. The typical clinical features are categorized as Richardson's syndrome (RS), but other clinical subtypes include PSP-parkinsonism (PSP-P) and PSP-pure akinesia with gait freezing (PSP-PAGF). In this study, we determined the prevalence of PSP in a Japanese rural area compared to our previous 1999 report. METHODS: We collected data in Yonago City from 2009 to 2014 using a service-based study of PSP...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28030820/unsupervised-consensus-cluster-analysis-of-18f-fluoroethyl-l-tyrosine-positron-emission-tomography-identified-textural-features-for-the-diagnosis-of-pseudoprogression-in-high-grade-glioma
#20
Sied Kebir, Zain Khurshid, Florian C Gaertner, Markus Essler, Elke Hattingen, Rolf Fimmers, Björn Scheffler, Ulrich Herrlinger, Ralph A Bundschuh, Martin Glas
RATIONALE: Timely detection of pseudoprogression (PSP) is crucial for the management of patients with high-grade glioma (HGG) but remains difficult. Textural features of O-(2-[18F]fluoroethyl)-L-tyrosine positron emission tomography (FET-PET) mirror tumor uptake heterogeneity; some of them may be associated with tumor progression. METHODS: Fourteen patients with HGG and suspected of PSP underwent FET-PET imaging. A set of 19 conventional and textural FET-PET features were evaluated and subjected to unsupervised consensus clustering...
December 24, 2016: Oncotarget
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