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Mixed-state

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https://www.readbyqxmd.com/read/28698671/morphology-composition-and-mixing-state-of-primary-particles-from-combustion-sources-crop-residue-wood-and-solid-waste
#1
Lei Liu, Shaofei Kong, Yinxiao Zhang, Yuanyuan Wang, Liang Xu, Qin Yan, A P Lingaswamy, Zongbo Shi, Senlin Lv, Hongya Niu, Longyi Shao, Min Hu, Daizhou Zhang, Jianmin Chen, Xiaoye Zhang, Weijun Li
Morphology, composition, and mixing state of individual particles emitted from crop residue, wood, and solid waste combustion in a residential stove were analyzed using transmission electron microscopy (TEM). Our study showed that particles from crop residue and apple wood combustion were mainly organic matter (OM) in smoldering phase, whereas soot-OM internally mixed with K in flaming phase. Wild grass combustion in flaming phase released some Cl-rich-OM/soot particles and cardboard combustion released OM and S-rich particles...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28691250/obesity-in-patients-with-major-depression-is-related-to-bipolarity-and-mixed-features-evidence-from-the-bridge-ii-mix-study
#2
Eleonora Petri, Olivia Bacci, Margherita Barbuti, Isabella Pacchiarotti, Jean-Michel Azorin, Jules Angst, Charles L Bowden, Sergey Mosolov, Eduard Vieta, Allan H Young, Giulio Perugi
OBJECTIVES: The Bipolar Disorders: Improving Diagnosis, Guidance and Education (BRIDGE)-II-Mix study aimed to estimate the frequency of mixed states in patients with a major depressive episode (MDE) according to different definitions. The present post-hoc analysis evaluated the association between obesity and the presence of mixed features and bipolarity. METHODS: A total of 2811 MDE subjects were enrolled in a multicenter cross-sectional study. In 2744 patients, the body mass index (BMI) was evaluated...
July 10, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28687739/on-local-unitary-equivalence-of-two-and-three-qubit-states
#3
Bao-Zhi Sun, Shao-Ming Fei, Zhi-Xi Wang
We study the local unitary equivalence for two and three-qubit mixed states by investigating the invariants under local unitary transformations. For two-qubit system, we prove that the determination of the local unitary equivalence of 2-qubits states only needs 14 or less invariants for arbitrary two-qubit states. Using the same method, we construct invariants for three-qubit mixed states. We prove that these invariants are sufficient to guarantee the LU equivalence of certain kind of three-qubit states. Also, we make a comparison with earlier works...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28683451/sleep-related-electrophysiology-and-behavior-of-tinamous-eudromia-elegans-tinamous-do-not-sleep-like-ostriches
#4
Ryan K Tisdale, Alexei L Vyssotski, John A Lesku, Niels C Rattenborg
The functions of slow wave sleep (SWS) and rapid eye movement (REM) sleep, distinct sleep substates present in both mammals and birds, remain unresolved. One approach to gaining insight into their function is to trace the evolution of these states through examining sleep in as many taxonomic groups as possible. The mammalian and avian clades are each composed of two extant groups, i.e., the monotremes (echidna and platypus) and therian (marsupial and eutherian [or placental]) mammals, and Palaeognaths (cassowaries, emus, kiwi, ostriches, rheas, and tinamous) and Neognaths (all other birds) among birds...
July 7, 2017: Brain, Behavior and Evolution
https://www.readbyqxmd.com/read/28630346/the-role-of-jet-and-film-drops-in-controlling-the-mixing-state-of-submicron-sea-spray-aerosol-particles
#5
Xiaofei Wang, Grant B Deane, Kathryn A Moore, Olivia S Ryder, M Dale Stokes, Charlotte M Beall, Douglas B Collins, Mitchell V Santander, Susannah M Burrows, Camille M Sultana, Kimberly A Prather
The oceans represent a significant global source of atmospheric aerosols. Sea spray aerosol (SSA) particles comprise sea salts and organic species in varying proportions. In addition to size, the overall composition of SSA particles determines how effectively they can form cloud droplets and ice crystals. Thus, understanding the factors controlling SSA composition is critical to predicting aerosol impacts on clouds and climate. It is often assumed that submicrometer SSAs are mainly formed by film drops produced from bursting bubble-cap films, which become enriched with hydrophobic organic species contained within the sea surface microlayer...
June 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28630083/are-fire-safe-cigarettes-actually-fire-safe-evidence-from-changes-in-us-state-laws
#6
Carl Bonander, Niklas Jakobsson, Finn Nilson
OBJECTIVE: To estimate the effects of fire safe cigarette laws on fire mortality and cigarette-related fires in the USA. METHODS: We examined the gradual implementation of the laws to identify their average effects, using difference-in-differences analysis to account for common year effects, time-invariant state effects, state-specific trends and observable time-varying state-level covariates. RESULTS: We found no statistically significant effects on all-cause fire mortality, residential fire mortality or cigarette-caused fire rates...
June 19, 2017: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/28618578/nearly-maximally-predictive-features-and-their-dimensions
#7
Sarah E Marzen, James P Crutchfield
Scientific explanation often requires inferring maximally predictive features from a given data set. Unfortunately, the collection of minimal maximally predictive features for most stochastic processes is uncountably infinite. In such cases, one compromises and instead seeks nearly maximally predictive features. Here, we derive upper bounds on the rates at which the number and the coding cost of nearly maximally predictive features scale with desired predictive power. The rates are determined by the fractal dimensions of a process' mixed-state distribution...
May 2017: Physical Review. E
https://www.readbyqxmd.com/read/28597894/deciphering-the-aqueous-chemistry-of-glyoxal-oxidation-with-hydrogen-peroxide-using-molecular-imaging
#8
Xiao Sui, Yufan Zhou, Fei Zhang, Jianmin Chen, Zihua Zhu, Xiao-Ying Yu
Aqueous surfaces after photochemical and dark reactions of glyoxal and hydrogen peroxide (H2O2) have been studied using a microfluidic reactor coupled with an in situ liquid time-of-flight secondary ion mass spectrometry (ToF-SIMS) for the first time. Spectral principal component analysis was used to determine similarities and differences among various photochemical aging and dark reaction samples and controls. Compared with previous results using bulk solutions, our unique liquid surface molecular imaging approach provided observations of glyoxal hydration (i...
June 9, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28593516/antidepressant-and-anxiolytic-effects-of-garcinia-indica-fruit-rind-via-monoaminergic-pathway
#9
Isha Dhamija, Milind Parle, Sandeep Kumar
Depression and anxiety are the most crippling neuropsychiatric disorders of this modern era. These mostly occur as anxiety followed by depression or in mixed state. Therefore, there is an urgent need of a safe and effective treatment, which proves its worth in this ailment. What else than a conventional food would be a better choice for a convenient therapy. Therefore, Garcinia indica, commonly known as Kokam, fruit rind has been used in the present study to investigate its antidepressant and anti-anxiety potential using forced swim test, tail suspension test, and reserpine-induced hypothermia; and elevated plus maze, hole-board test, and light dark model, respectively...
June 2017: 3 Biotech
https://www.readbyqxmd.com/read/28585922/information-loss
#10
William Unruh, Robert M Wald
The complete gravitational collapse of a body in general relativity will result in the formation of a black hole. Although the black hole is classically stable, quantum particle creation processes will result in the emission of Hawking radiation to infinity and corresponding mass loss of the black hole, eventually resulting in the complete evaporation of the black hole. Semiclassical arguments strongly suggest that, in the process of black hole formation and evaporation, a pure quantum state will evolve to a mixed state, i...
June 6, 2017: Reports on Progress in Physics
https://www.readbyqxmd.com/read/28581812/additive-classical-capacity-of-quantum-channels-assisted-by-noisy-entanglement
#11
Quntao Zhuang, Elton Yechao Zhu, Peter W Shor
We give a capacity formula for the classical information transmission over a noisy quantum channel, with separable encoding by the sender and limited resources provided by the receiver's preshared ancilla. Instead of a pure state, we consider the signal-ancilla pair in a mixed state, purified by a "witness." Thus, the signal-witness correlation limits the resource available from the signal-ancilla correlation. Our formula characterizes the utility of different forms of resources, including noisy or limited entanglement assistance, for classical communication...
May 19, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28570048/aerosol-mass-spectrometer-for-simultaneous-detection-of-polyaromatic-hydrocarbons-and-inorganic-components-from-individual-particles
#12
Johannes Passig, Julian Schade, Markus Oster, Matthias Fuchs, Sven Ehlert, Cornelia Jäger, Martin Sklorz, Ralf Zimmermann
Online studies of single airborne particles represent a demanding challenge in aerosol chemistry. New technologies that help to unravel the role of ambient aerosols in earth climate and to assess local and specific health risks from air pollution are highly desired. Of particular relevance are polycyclic aromatic hydrocarbons (PAHs) from combustion processes that are associated with both acute and long-term health effects. Usually, online single particle analyses apply laser desorption/ionization (LDI) in a bipolar mass spectrometer, revealing elemental constituents and limited molecular information by detection of both positive and negative ions...
June 9, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28558366/antidepressant-induced-hypomania-mania-in-patients-with-major-depression-evidence-from-the-bridge-ii-mix-study
#13
Margherita Barbuti, Isabella Pacchiarotti, Eduard Vieta, Jean-Michel Azorin, Jules Angst, Charles L Bowden, Sergey Mosolov, Allan H Young, Giulio Perugi
BACKGROUND: The issue of antidepressant-induced mood switches to hypomania, mania, or mixed states within the course of mayor depressive disorder (MDD) has been a controversial topic. The present post-hoc analysis of the BRIDGE-II-MIX study focuses on the clinical features of patients with history of antidepressant-induced hypomania/mania (AIHM) in a large international sample of patients with major depressive episode (MDE). METHODS: 2811 subjects with major depression were enrolled in this multicentre cross-sectional study...
May 24, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28512296/entanglement-monogamy-in-three-qutrit-systems
#14
Qiting Li, Jianlian Cui, Shuhao Wang, Gui-Lu Long
By introducing an arbitrary-dimensional multipartite entanglement measure, which is defined in terms of the reduced density matrices corresponding to all possible two partitions of the entire system, we prove that multipartite entanglement cannot be freely shared among the parties in both n-qubit systems and three-qutrit systems. Furthermore, our result implies that the satisfaction of the entanglement monogamy is related to the number of particles in the quantum system. As an application of three-qutrit monogamy inequality, we give a condition for the separability of a class of two-qutrit mixed states in a 3 ⊗ 3 system...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28503112/athanasios-koukopoulos-psychiatry-the-primacy-of-mania-and-the-limits-of-antidepressants
#15
REVIEW
S Nassir Ghaemi, Paul A Vohringer
BACKGROUND: Athanasios Koukopoulos provided a radical model for understanding depressive and manic conditions. OBJECTIVE: To review, explain, and analyze Koukopoulos' concept of the primacy of mania, with special attention to the role of antidepressants. METHOD: A conceptual review of Koukopoulos' writings and lectures on this topic is given. RESULTS: Koukopoulos held that depressive states are caused by manic states; the former do not occur without the latter...
April 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28503107/the-role-of-electroconvulsive-therapy-ect-in-bipolar-disorder-effectiveness-in-522-patients-with-bipolar-depression-mixed-state-mania-and-catatonic-features
#16
Giulio Perugi, Pierpaolo Medda, Cristina Toni, Michela Giorgi Mariani, Chiara Socci, Mauro Mauri
OBJECTIVE: We evaluated the effectiveness of Electroconvulsive Therapy (ECT) in the treatment of Bipolar Disorder (BD) in a large sample of bipolar patients with drug resistant depression, mania, mixed state and catatonic features. METHOD: 522 consecutive patients with DSM-IV-TR BD were evaluated prior to and after the ECT course. Responders and nonresponders were compared in subsamples of depressed and mixed patients. Descriptive analyses were reported for patients with mania and with catatonic features...
April 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28474733/practitioner-review-the-effects-of-atypical-antipsychotics-and-mood-stabilisers-in-the-treatment-of-depressive-symptoms-in-paediatric-bipolar-disorder
#17
REVIEW
Tobias Atkin, Nicolas Nuñez, Gabriella Gobbi
BACKGROUND: The management of depressive and mixed symptoms in children and adolescents with bipolar disorder (BD) remains a matter of debate. The goal of this review is, thus, to systematically examine the impact of atypical antipsychotics (AAPs) and mood stabilisers in the treatment of bipolar depression and/or mixed states. METHODS: A literature search was conducted for studies assessing the efficacy of pharmacological treatments for bipolar disorder type I, type II and not otherwise specified with a recent depressive, mixed or manic episode (with depressive symptoms) following DSM-IV criteria in children and adolescents as either acute or maintenance treatment...
May 5, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28462772/mixed-features-in-major-depressive-disorder-diagnoses-and-treatments
#18
Trisha Suppes, Michael Ostacher
For the first time in 20 years, the American Psychiatric Association (APA) updated the psychiatric diagnostic system for mood disorders in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5). Perhaps one of the most notable changes in the DSM-5 was the recognition of the possibility of mixed symptoms in major depression and related disorders (MDD). While MDD and bipolar and related disorders are now represented by 2 distinct chapters, the addition of a mixed features specifier to MDD represents a structural bridge between bipolar and major depression disorders, and formally recognizes the possibility of a mix of hypomania and depressive symptoms in someone who has never experienced discrete episodes of hypomania or mania...
April 2017: CNS Spectrums
https://www.readbyqxmd.com/read/28448907/characterization-of-typical-metal-particles-during-haze-episodes-in-shanghai-china
#19
Rui Li, Xin Yang, Hongbo Fu, Qingqing Hu, Liwu Zhang, Jianmin Chen
Aerosol particles were collected during three heavy haze episodes at Shanghai in the winter of 2013. Transmission electron microscopy (TEM) coupled with energy dispersive X-ray spectroscopy was used to study the morphology and speciation of typical metal particles at a single-particle level. In addition, time-of-flight aerosol mass spectrometry (ATOFMS) was applied to identify the speciation of the Fe-containing particles. TEM analysis indicated that various metal-containing particles were hosted by sulfates, nitrates, and oxides...
April 19, 2017: Chemosphere
https://www.readbyqxmd.com/read/28442724/entanglement-distribution-in-multi-particle-systems-in-terms-of-unified-entropy
#20
Yu Luo, Fu-Gang Zhang, Yongming Li
We investigate the entanglement distribution in multi-particle systems in terms of unified (q, s)-entropy. We find that for any tripartite mixed state, the unified (q, s)-entropy entanglement of assistance follows a polygamy relation. This polygamy relation also holds in multi-particle systems. Furthermore, a generalized monogamy relation is provided for unified (q, s)-entropy entanglement in the multi-qubit system.
April 25, 2017: Scientific Reports
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