Miracle-dz/UniFAR-FTUs huggingface dataset:
Stresses induced by edgewise appliances in the periodontal ligament--a finite element study.

The quantification of stress in the periodontal ligament is an important concept, as stress in this tissue is transmitted to the alveolus, with subsequent bone remodelling and tooth movement. A number of clinical studies have suggested figures for such an optimal stress range. This study makes use of a finite element technique to determine the stress induced in the periodontal ligament in three dimensions when a maxillary canine tooth is subjected to an orthodontic force similar to that produced by an edgewise appliance. The maximum stress induced at the cervical margin of the periodontal ligament was 0.072 N/mm2, while the maximum stress induced at the level of the apical foramen was 0.0038 N/mm2. These results are discussed in the light of known clinical experience and compared with the stresses produced in the periodontal ligament by other orthodontic forces. The findings would suggest that even with 'perfect' edgewise mechanics it would be difficult to obtain canine movement by pure translation or 'bodily movement. '
Hyperspectral image analysis with associative morphological memories

We propose a procedure for extraction of spectra from hyperspectral images that may be used as endmembers for unmixing which uses the autoassociative morphological memories (AMM) as detectors of morphological independence conditions. Endmember spectra correspond to vertices of a convex region that covers the image pixel spectra. The morphological independence, after shifting the data to zero mean, is a necessary condition for these vertices. The selective sensitivity of AMM to noise characterized as erosive and dilative noise allows their use as morphological independence detectors.
On-Chip Compensated Wide Output Range Boost Converter with Fixed-Frequency Adaptive Off-Time Control for LED Driver Applications

An on-chip compensated wide output range boost converter with fixed-frequency adaptive off-time current-mode control is presented. The small signal characteristic of the boost converter with current-mode control is reviewed, and an adaptive current sensing technique is proposed to reduce the variation of phase margin at different output voltages. On-chip compensation is achieved with a Type II compensator. Adaptive off-time control is adopted for its fast response and no need for slope compensation, while its disadvantage of varying switching frequency is eliminated by the proposed off-time generator. The IC controller was fabricated in a 0.5 μm 2P3M BCD 40 V process. Measurement results confirm that an output range of 5.5 V ~ 36 V with an input voltage of 5 V is achieved. The switching frequency is fixed at 1 MHz with a variation of ±1%. The measured peak efficiency and maximum output power are 92.9% and 8.6 W, respectively. For a load step of 200 mA using a 3.3-μH inductor and a 20-μF output capacitor, overshoot and undershoot of the load transient responses are smaller than 1% of the output voltage.
Curb Your Embodiment

To explain how abstract concepts are grounded in sensory-motor experiences, several theories have been proposed. I will discuss two of these proposals, Conceptual Metaphor Theory and Situated Cognition, and argue why they do not fully explain grounding. A central idea in Conceptual Metaphor Theory is that image schemas ground abstract concepts in concrete experiences. Image schemas might themselves be abstractions, however, and therefore do not solve the grounding problem. Moreover, image schemas are too simple to explain the full richness of abstract concepts. Situated cognition might provide such richness. Research in our laboratory, however, has shown that even for concrete concepts, sensory-motor grounding is task dependent. Therefore, it is questionable whether abstract concepts can be significantly grounded in sensory-motor processing.
Opponent Color and Curvelet Transform Based Image Retrieval System Using Genetic Algorithm

 Abstract — In order to retrieve images efficiently from a large database, a unique method integrating color and texture features using genetic programming has been proposed. Opponent color histogram which gives shadow, shade, and light intensity invariant property is employed in the proposed framework for extracting color features. For texture feature extraction, fast discrete curvelet transform which captures more orientation information at different scales is incorporated to represent curved like edges. The recent scenario in the issues of image retrieval is to reduce the semantic gap between user’s preference and low level features. To address this concern, genetic algorithm combined with relevance feedback is embedded to reduce semantic gap and retrieve user’s preference images. Extensive and comparative experiments have been conducted to evaluate proposed framework for content based image retrieval on two databases, i.e., COIL-100 and Corel-1000. Experimental results clearly show that the proposed system surpassed other existing systems in terms of precision and recall. The proposed work achieves highest performance with average precision of 88.2% on COIL-100 and 76.3% on Corel, the average recall of 69.9% on COIL and 76.3% on Corel. Thus, the experimental results confirm that the proposed content based image retrieval system architecture attains better solution for image retrieval.
Correlatos cognitivos y comportamentales de la violencia observada en los progenitores.

La investigacion ha demostrado que la observacion de violencia de los progenitores aumenta el riesgo de ejercer o sufrir violencia en las relaciones de pareja, pero apenas se conocen los mecanismos que explican dicho proceso. Esta tesis reune varias publicaciones dirigidas a dar respuesta a un mismo problema, esto es, que lleva a algunas personas a reproducir la violencia observada, ya sea como agresores o como victimas, mientras otras parecen ser resilientes. A traves del analisis de distintos correlatos cognitivos y comportamentales, esta tesis explora dos vias que pueden ayudar a explicar tales diferencias. En primer lugar, el papel que juega la interpretacion de la violencia observada en dicho proceso (estudios 1 y 2). En segundo lugar, como la eleccion de parejas conflictivas puede hacer mas probable la violencia/victimizacion entre quienes han observado la violencia de sus progenitores (estudio 3). El primer estudio, confirmo que las estimaciones de frecuencia, gravedad y responsabilidad frente a distintos conflictos de pareja difieren en funcion del nivel de violencia observada en los progenitores. Igualmente, encontramos diferencias en la atribucion de responsabilidad en funcion de las creencias respecto a las mujeres. En el segundo estudio, se comprobo que la responsabilidad atribuida a los progenitores predice la violencia hacia la pareja. Finalmente, el estudio 3 no mostro diferencias en las preferencias de los y las adolescentes expuestos o no a la violencia de sus progenitores. Sin embargo, los resultados confirmaron que la preferencia por parejas conflictivas o con rasgos menos positivos incrementa el riesgo de perpetracion y/o victimizacion entre quienes han observado la violencia de sus progenitores, y no entre quienes no la han observado. Los resultados senalan nuevas vias para la investigacion y la intervencion.
Retroviral characteristics of the long terminal repeat of murine E.Tn sequences.

E.Tn sequences form a family of long moderately repeated sequences which are abundantly transcribed in the pluripotent cell lineage between day 3.5 and 7.5 of early mouse embryogenesis. The structure of the long terminal repeat (LTR) bordering the E.Tn sequences has been investigated by nucleotide sequencing, primer extension and S1 mapping experiments. This has allowed the identification of U3, R and U5 domains, and of several other structural features all of which are characteristics of retroviral LTRs.
Support Vector Machine and Genetic Algorithm for Efricient Blood Cell Recognition

The paper presents application of the genetic algorithm and support vector machine for the recognition of the blood cells on the basis of image of the bone marrow aspirate. The automatic recognition system has been developed and the results of its numerical verification are presented and discussed. They show that application of the genetic algorithm is a powerful tool for selection of the diagnostic features and leads to the significant increase of the accuracy of the whole system.
Distance-preserving maps in generalized polygons, part I : maps on flags

In this paper, we characterize isomorphisms of generalized polygons (in particular automorphisms) by maps on flags which preserve a certain fixed distance. In Part II, we consider maps on point and/or lines. Exceptions give rise to interesting properties, which on their turn have some nice applications. Mathematics Subject Classification 1991: 51E12.
The Sterol‐Binding Protein Kes1/Osh4p Is a Regulator of Polarized Exocytosis

Oxysterol‐binding protein (OSBP)‐related protein Kes1/ Osh4p is implicated in nonvesicular sterol transfer between membranes in Saccharomyces cerevisiae. However, we found that Osh4p associated with exocytic vesicles that move from the mother cell into the bud, where Osh4p facilitated vesicle docking by the exocyst tethering complex at sites of polarized growth on the plasma membrane. Osh4p formed complexes with the small GTPases Cdc42p, Rho1p and Sec4p, and the exocyst complex subunit Sec6p, which was also required for Osh4p association with vesicles. Although Osh4p directly affected polarized exocytosis, its role in sterol trafficking was less clear. Contrary to what is predicted for a sterol‐transfer protein, inhibition of sterol binding by the Osh4p Y97F mutation did not cause its inactivation. Rather, OSH4Y97F is a gain‐of‐function mutation that causes dominant lethality. We propose that in response to sterol binding and release Osh4p promotes efficient exocytosis through the co‐ordinate regulation of Sac1p, a phosphoinositide 4‐phosphate (PI4P) phosphatase, and the exocyst complex. These results support a model in which Osh4p acts as a sterol‐dependent regulator of polarized vesicle transport, as opposed to being a sterol‐transfer protein.
Computational Geometry in High-Dimensional Spaces

In this project, we provide a review of efficient solutions to a few high-dimensional CG problems, with particular focus on the problem of nearest neighbour search. For the problems we examine, the general approach will be to either reduce the dimension (using the JL transform) or to preprocess the data and group together points that are close together (using locality sensitive hashing). Finally, we apply these techniques to a relaxed version of the unit disc cover problem, an NP-Hard facility location problem that has only been effectively approximated in the low-dimensional case.
The aging population in China: Subjective well-being of empty nesters in rural eastern China

In this article, we explore the subjective well-being of empty nesters who lived in rural eastern China (N = 967). The Memorial University of Newfoundland Scale of Happiness is used to measure subjective well-being. The results indicate that Memorial University of Newfoundland Scale of Happiness is appropriate for empty nesters in rural China due to its reliability and validity. Generally, male empty nesters report greater subjective well-being scores than females. Negative factors include low levels of education, being a widow or widower, or being unmarried. It is argued that the empty nesters’ incapability to access adequate social service and home care leads to their poor subjective well-being.
Characterization of on-wafer RF passive components for RFIC devices using three-steps de-embedding method

This paper demonstrates the process of characterizing on-wafer RF components for RFIC devices by using a three-steps de-embedding method. Three RF passive components are used for this purpose: spiral inductor, metal-finger capacitor and silicide-block N-poly resistor. The DUTs together with their calibration structure was fabricated in 0.13 µm CMOS technology. Comparisons between the simulated data, raw measured data and de-embedded data were made in order to see the accuracy of the de-embedding method.
17-Hydroxyandrogens and oestrogens in the plasma of normal and infertile men.

Androgens, particularly testosterone, have long been held to be controlling factors in spermatogenesis (Steinberger & Ducket, 1967). Oestrogens have been shown to influence the output of pituitary gonadotrophins and thus cause Leydig cell atrophy. They also affect germinal cells in the seminiferous tubules directly (de la Balze et al., 1962). In the present study, we have attempted to correlate the plasma concentrations of 17-hydroxyandrogens (17-OHA) and oestradiol-17 \g=b\with the sperm counts and testicular histology of 134 men. All the men were referred to the infertility clinic with a history of at least 2 years of childless marriage during which regular intercourse, without contraception, had taken place. On the patient's initial visit to the clinic, 10 ml peripheral venous blood were withdrawn for steroid assays. The patients were instructed to collect semen samples by coitus interruptus in the morning after 3 days of abstinence from intercourse. The semen samples were delivered by the patient to the Urology Department within 1 hr of collection. When there were more than 60 \m=x\ l06 spermatozoa/ml which had >95% normal morphology and > 50% motility 2 hr after collection, the man was regarded as normal and no further investigations were carried out. Of the
Serum-induced iron-acquisition systems and TonB contribute to virulence in Klebsiella pneumoniae causing primary pyogenic liver abscess.

BACKGROUND Klebsiella pneumoniae has become the predominant pathogen causing primary pyogenic liver abscess (PLA). METHODS K. pneumoniae was stimulated by human serum, and gene expression was analyzed by microarray. RESULTS Three putative iron acquisition systems, Yersinia high-pathogenicity island (HPI), iucABCDiutA, and iroA(iroNDCB), that increased in expression and predominated in PLA-associated K. pneumoniae strains were identified. By use of siderophore uptake assays, these 3 systems were confirmed to be siderophore-dependent iron acquisition systems. Only the irp2-iuc-iroA triple mutant showed decreased virulence in mice. Full-genome analysis of K. pneumoniae strain NTUH-K2044 identified 10 putative iron uptake systems. Seven of these 10 systems were TonB dependent, including Yersinia HPI, iucABCDiutA, and iroA. A tonB deletion mutant was demonstrated to have profound attenuation of virulence. Immunization with the tonB mutant resulted in seroconversion of extracellular polysaccharide antibodies and protective efficacy against subsequent exposure to the parental strain. CONCLUSIONS Iron uptake systems were the genes in K. pneumoniae that were highly up-regulated in response to sera. Although there are multiple iron transporter systems in NTUH-K2044, a mutation in all 3 loci (irp2, iuc, and iroA) is necessary to decrease virulence. The tonB mutant is a potential vaccine candidate because it can induce a significant protective immune response against challenge with a wild-type strain.
Acute Kidney Injury in Adult Idiopathic Nephrotic Syndrome

Objective: This study aims to investigate the epidemiology, clinical and histological features, and prognosis of acute kidney injury (AKI) according to RIFLE classification in adult patients with idiopathic nephrotic syndrome. Methods: In this retrospective study, 277 patients with idiopathic nephrotic syndrome were reviewed from June 2005 to June 2009. Results: Fifty-one (18%) patients entered RIFLE class Risk (AKI-R); 24 (9%) patients entered RIFLE class Injury (AKI-I); and 20 (7%) patients entered RIFLE class Failure (AKI-F). Logistic regression analysis showed that severe hypoalbuminemia, increase in age, and being male were risk factors of AKI. Cumulative recovery rates in 3 months for groups AKI-R, AKI-I, and AKI-F were 95%, 100%, and 94%, respectively (p = 0.21). The mean time to recovery for groups AKI-R, AKI-I, and AKI-F was 20 ± 3, 25 ± 4, and 30 ± 5 days, respectively. Cumulative complete remission rates in 3 months for groups AKI-R, AKI-I, and AKI-F were 92%, 86%, and 65%, respectively (p = 0.002). The mean time to remission for groups AKI-R, AKI-I, and AKI-F was 28 ± 3, 39 ± 6, and 62 ± 8 days, respectively. Conclusion: AKI is not uncommon in adult idiopathic nephrotic syndrome. More severe AKI was associated with longer time of nephrotic syndrome complete remission. Renal function can recover completely in most of the patients.
Influence of bird strain on competitive exclusion of Campylobacter jejuni in young chicks

1. Newly hatched chicks of either layer or broiler strain were treated orally at regular intervals with either homologous or heterologous gut-flora preparations from young donor birds, in an attempt to prevent subsequent colonisation with Campylobacter jejuni by ‘competitive exclusion’ (CE). 2. Donors of 3 to 10 d of age were chosen to correspond with the period in which intensively reared poultry are least likely to become colonised with Campylobacter. 3. In two separate trials, material from donor layer hens (ISA Brown) protected male chicks of the same strain against a low (195 to 360 cfu/bird) Campylobacter challenge, but the same kind of material was ineffective when administered to chicks of a broiler strain (JA957). 4. Two further trials involved treatment preparations from young broilers, which failed to prevent Campylobacter colonisation of broiler chicks, even when colonisation occurred relatively slowly from a challenge of 90 to 94 cfu/bird. 5. It was concluded that any CE effect observed was strongly dependent on bird strain.
A Temporal Argumentative System

There are numerous areas in Computer Science where time plays a fundamental role. This role is not a minor one in Artificial Intelligence. Since the goal of Artificial Intelligence is to capture the human abilities for problem solving, the consideration of temporal concepts becomes indispensable. An intelligent agent uses temporal references in its communication and in its deductive processes constantly and decisively. Therefore, a great number of formalisms have been proposed to provide temporal reasoning capabilities.During the last few years, as part of the work developed in the nonmonotonic reasoning area, the argumentative systems have been developed. These systems were designed to provide defeasible or tentative reasoning capabilities.Here we explore the confluence of both areasc temporal and defeasible reasoning. Our purpose is to add to the argumentative reasoning language the possibility of explicitly referencing time to be able to reason about occurrences taking into account the moment in which they took place.
Neural Network for Music Instrument Identi � cation

Zhiwen Zhang(MSE), Hanze Tu(CCRMA), Yuan Li(CCRMA) SUN ID: zhiwen, hanze, yuanli92 Abstract In the context of music, instrument identi cation would contribute improvements in music information retrieval, genres classi cation, and audio engineering. In this report, the neural network model was applied to identify music instruments given one note from sets of orchestral musical sounds. A set of features were also proposed in this report that can be used to identify music instruments. Results are presented from both neural network and SVM learning algorithms applied to our dataset.
Immunoblot Identification of 13.5 Kilodalton Myelin Basic Protein in Goldfish Brain Myelin

Abstract: Myelin isolated from goldfish brain shows a multilamellar structure with a major dense line and two intraperiod lines. Sodium dodecyl sulfate gel electrophoresis revealed that the protein profile of goldfish brain myelin is distinctly different from that of rat brain myelin. No protein migrating to the position of proteolipid protein or DM‐20 was seen in goldfish myelin. Goldfish acclimated to 5°, 15°, and 30°C showed no qualitative differences in myelin proteins. The 13.5 kD protein in goldfish brain myelin and brain homogenate was intensely immunostained with the antiserum to human basic protein by the immunoblot technique. In contrast, none of the proteins of goldfish myelin were immunostained with an‐tiproteolipid protein serum; however, both proteolipid protein and DM‐20 of rat brain myelin were immunostained. The significance of the synthesis of myelin proteins by astrocytes in the goldfish brain is discussed.
Coincident plasmids and antimicrobial resistance in marine bacteria isolated from polluted and unpolluted Atlantic Ocean samples

Sewage effluent and outfall confluence samples were collected at the Barceloneta Regional Treatment Plant in Barceloneta, Puerto Rico; outfall confluence samples at Ocean City, Md. , were also collected. Samples from uncontaminated open ocean areas served as clean-water controls. Bacteria were enriched in marine broth 2216 amended with 1 microgram of one of a set of chemicals selected for study per ml: nitrobenzene, dibutyl phthalate, m-cresol, o-cresol, 4-nitroaniline, bis(tributyltin) oxide, and quinone. MICs of the chemicals were determined individually for all isolates. Bacterial isolates were evaluated for resistance to nine different antibiotics and for the presence of plasmid DNA. Treated sewage was found to contain large numbers of bacteria simultaneously possessing antibiotic resistance, chemical resistance, and multiple bands of plasmid DNA. Bacteria resistant to penicillin, erythromycin, nalidixic acid, ampicillin, m-cresol, quinone, and bis(tributyltin) oxide were detected in nearly all samples, but only sewage outfall confluence samples yielded bacterial isolates that were resistant to streptomycin. Bacteria resistant to a combination of antibiotics, including kanamycin, chloramphenicol, gentamicin, and tetracycline, were isolated only from sewage effluent samples. It is concluded that bacterial isolates derived from toxic chemical wastes more frequently contain plasmid DNA and demonstrate antimicrobial resistance than do bacterial isolates from domestic sewage-impacted waters or from uncontaminated open ocean sites.
Encoding of nested levels of acoustic regularity in hierarchically organized areas of the human auditory cortex

Our auditory system is able to encode acoustic regularity of growing levels of complexity to model and predict incoming events. Recent evidence suggests that early indices of deviance detection in the time range of the middle‐latency responses (MLR) precede the mismatch negativity (MMN), a well‐established error response associated with deviance detection. While studies suggest that only the MMN, but not early deviance‐related MLR, underlie complex regularity levels, it is not clear whether these two mechanisms interplay during scene analysis by encoding nested levels of acoustic regularity, and whether neuronal sources underlying local and global deviations are hierarchically organized. We registered magnetoencephalographic evoked fields to rapidly presented four‐tone local sequences containing a frequency change. Temporally integrated local events, in turn, defined global regularities, which were infrequently violated by a tone repetition. A global magnetic mismatch negativity (MMNm) was obtained at 140–220 ms when breaking the global regularity, but no deviance‐related effects were shown in early latencies. Conversely, Nbm (45–55 ms) and Pbm (60–75 ms) deflections of the MLR, and an earlier MMNm response at 120–160 ms, responded to local violations. Distinct neuronal generators in the auditory cortex underlay the processing of local and global regularity violations, suggesting that nested levels of complexity of auditory object representations are represented in separated cortical areas. Our results suggest that the different processing stages and anatomical areas involved in the encoding of auditory representations, and the subsequent detection of its violations, are hierarchically organized in the human auditory cortex. Hum Brain Mapp 35:5701–5716, 2014. © 2014 Wiley Periodicals, Inc.