gebhart/patrepeval huggingface dataset:
Integrated Wi-Fi fingerprinting and inertial sensing for indoor positioning (2011)

Indoor positioning has emerged as a widely used application of Wi-Fi wireless networks. A region-based fingerprinting approach is presented for indoor positioning in Wi-Fi wireless networks. This proposed method compares the fingerprint of a Wi-Fi tag with that of a region-based group of reference points, instead of an individual reference point. With the fingerprinting position estimate obtained, and with an inertial measurement unit integrated with the Wi-Fi tag, a stochastic system model is adopted to track the target's position when it is in piecewise constant velocity motion in Wi-Fi wireless networks. The stochastic system model utilizes Wi-Fi fingerprinting position estimates as measurements and inertial sensing data as control inputs. Both simulation studies and experiment data have shown the positioning performance of the integrated mobile platform with improved accuracy, by using the proposed Wi-Fi and inertial sensing technologies.
The Regulation and Expression of <i>c-myc</i> in Normal and Malignant Cells (1986)

Exhausted CD8 T (Tex) cells are a distinct cell lineage that arise during chronic infections and cancers in animal models and humans. Tex cells are characterized by progressive loss of effector functions, high and sustained inhibitory receptor expression, ...Read More
The Development of FtsZ Inhibitors as Potential Antibacterial Agents (2012)

The emergence and prevalence of bacterial resistance has resulted in a clear demand for novel antibacterial drugs. As a tubulin homologue, FtsZ is an essential cell-division protein in prokaryotic organisms and is showing increasing promise as a target for antibacterial drug discovery. This review describes the role of FtsZ in bacterial cytokinesis and various FtsZ inhibitors, with particular focus on their discovery, antibacterial activities, mechanisms of action, synthetic methods, and representative analogues.
Particle concentration and yield stress of biomass slurries during enzymatic hydrolysis at high‐solids loadings (2009)

Effective and efficient breakdown of lignocellulosic biomass remains a primary barrier for its use as a feedstock for renewable transportation fuels. A more detailed understanding of the material properties of biomass slurries during conversion is needed to design cost-effective conversion processes. A series of enzymatic saccharification experiments were performed with dilute acid pretreated corn stover at initial insoluble solids loadings of 20% by mass, during which the concentration of particulate solids and the rheological property yield stress (tau(y)) of the slurries were measured. The saccharified stover liquefies to the point of being pourable (tau(y) <or= 10 Pa) at a total biomass conversion of about 40%, after roughly 2 days of saccharification for a moderate loading of enzyme. Mass balance and semi-empirical relationships are developed to connect the progress of enzymatic hydrolysis with particle concentration and yield stress. The experimental data show good agreement with the proposed relationships. The predictive models developed here are based on established physical principles and should be applicable to the saccharification of other biomass systems. The concepts presented, especially the ability to predict yield stress from extent of conversion, will be helpful in the design and optimization of enzymatic hydrolysis processes that operate at high-solids loadings.
Development of chitosan–pullulan composite nanoparticles for nasal delivery of vaccines:<i>in vivo</i>studies (2015)

Here, we aimed at developing chitosan/pullulan composite nanoparticles and testing their potential as novel systems for the nasal delivery of diphtheria toxoid (DT). All the chitosan derivatives [N-trimethyl (TMC), chloride and glutamate] and carboxymethyl pullulan (CMP) were synthesised and antigen-loaded composites were prepared by polyion complexation of chitosan and pullulan derivatives (particle size: 239-405 nm; surface charge: +18 and +27 mV). Their immunological effects after intranasal administration to mice were compared to intramuscular route. Composite nanoparticles induced higher levels of IgG responses than particles formed with chitosan derivative and antigen. Nasally administered TMC-pullulan composites showed higher DT serum IgG titre when compared with the other composites. Co-encapsulation of CpG ODN within TMC-CMP-DT nanoparticles resulted in a balanced Th1/Th2 response. TMC/pullulan composite nanoparticles also induced highest cytokine levels compared to those of chitosan salts. These findings demonstrated that TMC-CMP-DT composite nanoparticles are promising delivery system for nasal vaccination.
Reduction of Glucose Content in Potatoes with Glucose Oxidase (1989)

ABSTRACT Two commercial glucose oxidase preparations, DeeO 1500 and Fermcozyme CBB‐750, were investigated for their activities and use in decreasing glucose levels in Norland and Shepody potatoes. When DeeO was added at 0.01% by weight of peeled potatoes, glucose of potato extracts of both cultivars was decreased by about 22% when the extracts were first blanched, and about 15% if not blanched, indicating the presence of some inhibitors in raw potatoes. When applied to steam‐blanched potato strips, 0.10% (v/v) solution of Fermcozymc reduced glucose by 25–35%. These experiments showed a potential use of glucose oxidase as a processing aid to reduce nonenzymatic browning in potato products.
Ultrasonic Detection of Hydrogen Attack in Steels (1989)

Hydrogen attack is produced in steels from the seepage of hydrogen that reacts with carbides to form methane gas. This gas decarburizes the steel, produces microcracks, and lowers the toughness of the steel without necessarily a loss of thickness. Detection of hydrogen attack is important to assure safe operation of pressure vessels and piping susceptible to such damage. To nondestructively detect hydrogen attack, three ultrasonic techniques based on velocity, attenuation, and back-scatter, respectively, were investigated. Specifically, velocity decreased while attenuation and back-scattering increased. In samples with hydrogen attack, the experiments showed all three parameters were affected to a certain degree. Based on this study, recommendations are that both velocity and back-scattering be used to detect hydrogen attack in steels. The study also determined that an inspection based only on velocity measurements may not detect earlier stages of hydrogen attack.
Live migration of direct-access devices (2009)

Virtual machine migration greatly aids management by allowing flexible provisioning of resources and decommissioning of hardware for maintenance. However, efforts to improve network performance by granting virtual machines direct access to hardware currently prevent migration. This occurs because (1) theVMMcannot migrate the state of the device, and (2) the source and destination machines may have different network devices, requiring different drivers to run in the migrated virtual machine. In this paper, we describe a lightweight software mechanism for migrating virtual machines with direct hardware access. We base our solution on shadow drivers, an agent in the guest OS kernel that efficiently captures and restores the state of a device driver. On the source machine, the shadow driver monitors the state of the driver and device. After migration, the shadow driver uses this information to configure a driver for the corresponding device on the destination machine. We implement shadow driver migration for Linux network drivers running on the Xen hypervisor. Shadow driver migration requires a migration downtime similar to the driver initialization time, short enough to avoid disrupting active TCP connections. We find that the performance overhead, compared to direct hardware access, is negligible and is much lower than using a virtual NIC.
Building Microservices Applications on Microsoft Azure: Designing, Developing, Deploying, and Monitoring (2019)

Ch 1: Evolution of Microservices Architecture -- Ch 2 : Implementing Microservices -- Ch 3: Azure Service Fabric -- Ch 4: Monitoring Azure Service Fabric Clusters -- Ch 5: Azure Kubernetes Service -- Ch 6: Monitoring Azure Kubernetes Service -- Ch 7: Securing Microservices -- Ch 8: Database Design for Microservices -- Ch 9: Building Microservices Applications on Azure Stack.
Nano-Antenna Coupled Infrared Detector Design (2018)

Since the 1940s, infrared (IR) detection and imaging at wavelengths in the two atmospheric windows of 3 to 5 and 8 to 14 μm has been extensively researched. Through several generations, these detectors have undergone considerable developments and have found use in various applications in different fields including military, space science, medicine and engineering. For the most recently proposed generation, these detectors are required to achieve high-speed detection with spectral and polarization selectivity while operating at room temperature. Antenna coupled IR detectors appear to be the most promising candidate to achieve these requirements and has received substantial attention from research in recent years. This paper sets out to present a review of the antenna coupled IR detector family, to explore the main concepts behind the detectors as well as outline their critical and challenging design considerations. In this context, the design of both elements, the antenna and the sensor, will be presented individually followed by the challenging techniques in the impedance matching between both elements. Some hands-on fabrication techniques will then be explored. Finally, a discussion on the coupled IR detector is presented with the aim of providing some useful insights into promising future work.
Design for 1:2 Internal Resonances in In-Plane Vibrations of Plates With Hyperelastic Materials (2014)

With advances in technology, hyperelastic materials are seeing use in varied applications ranging from microfluidic pumps, artificial muscles to deformable robots. Development of such complex devices is leading to increased use of hyperelastic materials in the construction of components undergoing dynamic excitation such as the wings of a micro-unmanned aerial vehicle or the body of a serpentine robot made of hyperelastic polymers. Since the strain energy potentials of various hyperelastic material models have nonlinearities present in them, exploration of their nonlinear dynamic response lends itself to some interesting consequences. In this work, a structure made of a Mooney–Rivlin hyperelastic material and undergoing planar vibrations is considered. Since the Mooney–Rivlin material's strain energy potential has quadratic nonlinearities, a possibility of 1:2 internal resonance is explored. A finite element method (FEM) formulation implemented in Matlab is used to iteratively modify a base structure to get its first two natural frequencies close to the 1:2 ratio. Once a topology of the structure is achieved, the linear mode shapes of the structure can be extracted from the finite element analysis, and a more complete nonlinear Lagrangian formulation of the hyperelastic structure can be used to develop a nonlinear two-mode dynamic model of the structure. The nonlinear response of the structure can be obtained by application of perturbation methods such as averaging on the two-mode model. It is shown that the nonlinear strain energy potential for the Mooney–Rivlin material makes it possible for internal resonance to occur in such structures. The effect of nonlinear material parameters on the dynamic response is investigated.
Reviews of Books (1956)

Journal Article Reviews of Books Get access Instructions pour la publication des textes historiques (Voorscbriften bij bet uitgeven van gescbiedkundige teksten). (Brussels: Commission royale d'histoire, 1955.) CHARLES JOHNSON CHARLES JOHNSON Search for other works by this author on: Oxford Academic Google Scholar The English Historical Review, Volume LXXI, Issue 279, April 1956, Pages 325–326, https://doi.org/10.1093/ehr/LXXI.279.325 Published: 01 April 1956
Row/column redundancy to reduce SRAM leakage in presence of random within-die delay variation (2008)

Traditionally, spare rows/columns have been used in two ways: either to replace too leaky cells to reduce leakage, or to substitute faulty cells to improve yield. In contrast, we first choose a higher threshold voltage (Vth) and/or gate-oxide thickness (Tox) for SRAM transistors at design time to reduce leakage, and then substitute the resulting too slow cells by spare rows/columns. We show that due to within-die delay variation of SRAM cells only a few cells violate target timing at higher Vth or Tox; we carefully choose the Vth and Tox values such that the original memory timing-yield remains intact for a negligible extra delay. On a commercial 90nm process assuming 3% variation in SRAM cell delay, we obtained 47% leakage reduction by adding only 5 redundant columns at negligible area, dynamic power and delay costs.
Neue photoreaktive Polymere mit seitenständigen Dimethylmaleinimid‐Gruppen. I. Radikalische homo‐und copolymerisation von N‐(5‐methyl‐3‐oxa‐4‐oxo‐hexen‐5‐yl)‐dimethylmaleinimid (1983)

Abstract Die Homopolymerisation von N‐(5‐Methyl‐3‐oxa‐4‐hexen‐5‐yl)‐dimethylmaleinimid (DMI‐MA) führt zu linearen Polymethylmethacrylaten mit seitenständigen lichtvernetzbaren Dimethylmaleinimid‐Gruppen. Dabei nimmt die CC Doppelbindung des Imidylrestes infolge sterischer Hinderung durch die beiden Methylsubstituenten, selbst bei Umsätzen von über 90%, nicht an der Reaktion teil. Für die Homopolymerisation wurde die Polymerisationsgeschwindigkeitskonstante bestimmt zu k p /k = 2,0 – 2,2·10 −2 (65°C, Toluol, AIBN); die Aktivierungsenergie beträgt E a = 62,36 ± 2 kJ/mol −1 . Aus den Copolymerisationen der Monomerpaare DMI‐MA/Methacrylsäure (MAS), DMI‐MA/Methylmethacrylat (MMA) und DMI‐MA/Ethylacrylat (EA) ergaben sich folgende Copolymerisationsparameter: DMI‐MA (r 1 ) : MAS (r 2 ) = 1,36 ± 0,06 : 0,77 ± 0,06; DMI‐MA (r 1 ) : MMA (r 2 ) = 1,16 ± 0,17 : 0,475 ± 0,17 und DMI‐MA (r 1 ) : EA (r 2 ) = 1,60 ± 0,15 : 0,44 ± 0,15.
Solar cell efficiency tables (version 17) (2001)

Abstract Consolidated tables showing an extensive listing of the highest independently confirmed efficiencies for solar cells and modules are presented. Guidelines for inclusion of results into these tables are outlined and new entries since July 2000 are reviewed. Copyright © 2001 John Wiley & Sons, Ltd.
A Single Parameter Tunable Quaternion Based Attitude Estimation Filter (2006)

ABSTRACT: In human posture tracking applications, limb segment attitude can be estimated without the aid of a generated source using small inexpensive inertial/magnetic sensor modules. In the absence of an adequate process model and process noise characteristics or in an application in which the dynamic and measurement relations are non-linear, a simple complementary filter represents a computationally inexpensive solution that produces accurate attitude estimates superior to those of an improperly tuned Kalman filter. This paper presents the theory and experimental results for a single parameter tunable quaternion based attitude estimation filter. The described sub-optimal constant gain complementary filter is the first filter designed for inertial/magnetic sensor modules capable of estimating orientation in all attitudes without singularities while continuously correcting for drift without the need for still periods. Experimental results qualitatively and quantitatively demonstrate the accuracy and stability of the filtering algorithm.
Combustion Behavior of Upholstered Furniture Tested in Europe (1995)

The European Commission has prepared a draft directive on the fire behaviour of upholstered furniture. Two essential requirements on fire properties are given. These are for ignition resistance and burning behaviour. Four levels of ignition resistance are defined; ignition by cigarette, match flame, 20 g and 100 g of newspaper. CEN, the European Committee for Standardization, has almost finalized the standards for cigarette and match flame. Work is in progress to develop the needed test standards for the newspaper sources. The second essential requirement addresses the problem when the furniture burns and people must be able to escape. However, required standards and evaluation techniques are not available. Therefore the Commission has funded the CBUF-programme to provide for technical solutions of testing and evaluation. CBUF, Combustion Behaviour of Upholstered Furniture, started in 1993. The budget is approximately 2.8 million dollars. Fire experts from 8 European countries co-operate. The project manager is from DBI, Danish Institute of Fire Technology, Denmark, while SP, Swedish National Testing and Research Institute, is responsible for the technical co-ordination. CBUF assumes that evaluation of the burning behaviour is carried out by the cone calorimeter (ISO 5660) for small scale testing and, as reference, the furniture calorimeter (NT FIRE 032) for large scale. Reliable test protocols are developed, hundreds of tests are performed and fire models that can predict the relevant hazard parameters are created.
Chromatographic Separation and <i>in Vitro</i> Activity of Sorgoleone Congeners from the Roots of <i>Sorghum bicolor</i> (2003)

Sorgoleone, 2-hydroxy-5-methoxy-3-[(8'Z,11'Z)-8',11',14'-pentadecatriene]-p-benzoquinone (1), and its corresponding hydroquinone are the major components of the root exudate of Sorghum bicolor. The name sorgoleone includes minor analogues differing in the length or degree of unsaturation of the 3-alkyl side chain. These compounds are known to be phytotoxic, probably through inhibition of photosystem II (PSII) driven oxygen evolution, as previously demonstrated for 1. Isolation of these sorgoleone congeners was achieved by C(8) column chromatography and argentation thin-layer chromatography, and the purified compounds were structurally characterized. The abilities of the minor sorgoleones to inhibit PSII were similar to that of the major compound, suggesting that all of these sorgoleone congeners contribute to the overall allelopathy of sorghum.
Growth inhibition of tumour cells by a liposome-encapsulated, mycolic acid-containing glycolipid, trehalose 2,3,6'-trimycolate. (1991)

In vivo growth of syngeneic tumour cells in the peritoneal cavity was strongly inhibited by intraperitoneal injection of a liposome-encapsulated, mycolic acid-containing glycolipid, trehalose 2,3,6'-trimycolate (TTM), derived from a non-pathogenic, acid-fast bacterium. Gordona aurantiaca. Peritoneal macrophages from mice after this treatment lysed tumour cells in vitro at a low effector/target ratio, and their culture supernatant inhibited tumour cell growth. The supernatant inhibited growth of not only tumour necrosis factor (TNF)-sensitive tumour cells, but also TNF-insensitive tumour cells. This inhibitory activity was enhanced by addition of lipopolysaccharide (LPS) to the culture medium of the macrophages. The macrophages released more superoxide (O2-), TNF and interleukin-1 (IL-1) on LPS triggering, and the releases of these compounds were further increased by addition of recombinant interferon-gamma (IFN-gamma) to the medium. Moreover, splenic T cells of TTM liposome-primed mice were found to produce eight times more IFN-gamma upon stimulation with LPS. These results indicated that priming with TTM liposomes resulted in strong activation of macrophages, which lysed tumour cells directly and also inhibited tumour cell growth by released factors.
High-density 3-D packaging technology based on the sidewall interconnection method and its application for CCD micro-camera visual inspection system (2003)

High-density three-dimensional (3-D) packaging technology for a charge coupled device (CCD) micro-camera visual inspection system module has been developed by applying high-density interconnection stacked unit modules. The stacked unit modules have fine-pitch flip-chip interconnections within Cu-column-based solder bumps and high-aspect-ratio Cu sidewall footprints for vertical interconnections. Cu-column-based solder bump design and underfill encapsulation resin characteristics were optimized to reduce the strain in the bump so as to achieve fine-pitch flip-chip interconnection with high-reliability. High-aspect-ratio Cu sidewall footprints were realized by the Cu-filled stacked vias at the edge of the substrate. High-precision distribution of sidewall footprints was achieved by laminating the multiple stacked unit substrates simultaneously. The fabricated high-density 3-D packaging module has operated satisfactorily as the CCD imaging data transmission circuit. The technology was confirmed to be effective for incorporating many large scale integrated (LSI) devices of different sizes at far higher packaging density than it is possible to attain using conventional technology. This paper describes the high-density 3-D packaging technology which enables all of the CCD imaging data transmission circuit devices to be packaged into the restricted space of the CCD micro-camera visual inspection system interior.
Studies of the structure of blends containing two liquid crystal polymers (1990)

Abstract Blends in which both of the component materials are capable of forming liquid crystalline phases are considered in the present work. Solid‐state characterization data are presented that suggest that chemical reaction is not a dominant event when two such materials are blended in the melt. Also, ideas of small‐molecule liquid crystal mixing are shown to be not applicable to describe the behavior of this system. A formalism for describing blends of liquid crystal polymers, based on Windle's sequence matching arguments, is proposed.
A NOVEL SYNTHESIS OF THE α-HYDROXYKETONE MOIETY OF ANTHRACYCLINONES BY THE USE OF 2-TRIMETHYLSILYLETHYNYLCERIUM(III) REAGENTS (1984)

Abstract 2-Trimethylsilylethynylcerium(III) reagents were found to efficiently react with 1,2,3,4-tetrahydronaphthalene-2-one derivatives, giving the corresponding adducts in high yields. Hydration of the adducts readily afforded the α-hydroxy methyl ketones which are versatile synthetic intermediates of natural and unnatural anthracyclinones.
Malignant lymphomas involving the prostate a study of 13 cases (1985)

The clinical and pathologic findings in 13 cases of malignant lymphoma involving the prostate gland were reviewed. The lymphomas tended to occur in elderly men with a mean age of 60 years (range, 30-86 years) and were clinically manifested by prostatic enlargement with urinary obstruction. In only one of the patients was there clinical suspicion of lymphoma before surgery. Seven patients had primary extranodal lymphoma of the prostate, with a variety of histologic subtypes, including small cell lymphocytic (one patient), diffuse small cleaved cell (two patients), diffuse mixed small and large cell (two patients), diffuse large non-cleaved cell (one patient), and high-grade diffuse small non-cleaved cell (undifferentiated non-Burkitt's) (one patient). At the time of presentation, none of these patients had hepatosplenomegaly, inguinal lymphadenopathy, abnormal complete blood counts, or elevated serum acid phosphatase levels. Six other patients with previously documented malignant lymphoma at other sites had prostatic involvement 2 to 60 months (mean, 14 months) after the primary diagnosis. Histologically, these secondary prostatic lymphomas included diffuse small cleaved cell (two patients), diffuse mixed small and large cell (one patient), diffuse large non-cleaved cell (two patients), and large cell immunoblastic, polymorphous type (T-cell by immunotyping) (one patient). The mean survival was 14 months for all patients (range, 2-44 months), with no apparent difference between primary and secondary involvement. One patient remains alive 44 months after secondary prostatic involvement with diffuse large non-cleaved cell lymphoma. Although malignant lymphomas involving the prostate are rare, they should be included in the differential diagnosis of lower urinary tract obstruction, particularly in patients with a previous history of lymphoma.