gebhart/patrepeval huggingface dataset:
Signal pre-processing method suitable for compressive sensing based on frequency modulation (2010)

The sparse property of the signal to be processed is very important and directly affects the efficiency of compressive sensing. A signal pre-processing method suitable for compressive sensing is given, which is helpful to effective sensing and accurate reconstruction. Under the condition that the sparse characteristic of the signal is unknown, a frequency modulation pattern is introduced to pre-process the signal to increase the sparse proportion of the signal. Then we choose a difference matrix as the reconstruction matrix, the signal could be reconstructed accurately in the process of sparse reconstruction. Theoretical analysis and experimental results show that the proposed pre-processing method for compressive sensing is very effective and efficient.
Paramagnetic beads surfing on domain walls (2003)

Paramagnetic beads electrostatically stabilized in aqueous solution are attracted toward domain walls in magnetic films. The position above the domain wall can be destabilized by realigning the beads magnetic moment with an external magnetic field. The destabilization may result in a steady state dissipative mode, where the beads surf on the slope of the moving domain wall. The technique could be an alternative route to probe electrostatic and hydrodynamic interactions between particles and interfaces, and could also serve as a model system for studying motion in a one-dimensional potential.
Analysis of Platform Noise Effect on Performance of Wireless Communication Devices (2012)

Cloud computation and always-connected Internet attracts the most industrial attention for the past few years. Meanwhile, with the development of IC technologies advancing toward higher operating frequencies and the trend of miniaturization on wireless communication products, the circuits and components are placed much closer inside the wireless communications devices than ever before. The system with highly integrated high-speed digital circuits and multi-radio modules are now facing the challenge from performance degradation by even more complicated platform EMI noisy environment. The EMI noises emitted by unintentionally radiated interference sources may severely impact the receiving performance of antenna, and thus result in the severe performance degradation of wireless communications. Due to the miniaturization of a variety of wireless communications products, the layout and trace routing of circuits and components become much denser than ever before. Therefore, we have investigated and analyzed the EMI noise characteristics of commonly embedded digital devices for further high performance wireless communications design. Since the camera and display module is most adopted to the popular mobile devices like cellular phone or Netbook, we hence focus on EMI analysis of the built-in modules by application of IEC 61967[1][2] series measurement method.
Biodegradable Hydrogels for Time-Controlled Release of Tethered Peptides or Proteins (2010)

Tethering drug substances to a gel network is an effective way of controlling the release kinetics of hydrogel-based drug delivery systems. Here, we report on in situ forming, biodegradable hydrogels that allow for the covalent attachment of peptides or proteins. Hydrogels were prepared by step-growth polymerization of branched poly(ethylene glycol). The gel strength ranged from 1075 to 2435 Pa; the degradation time varied between 24 and 120 h. Fluorescence recovery after photobleaching showed that fluorescently labeled bovine serum albumin (FITC-BSA) was successfully bound to the gel network during gel formation. Within 168 h, the mobility of the tethered molecules gradually increased due to polymer degradation. Using FITC-BSA and lysozyme as model proteins, we showed the potential of the developed hydrogels for time-controlled release. The obtained release profiles had a sigmoidal shape and matched the degradation profile very well; protein release was complete after 96 h.
FPGA-Based Virtual Screening Acceleration of Rigid-Molecule Docking (2013)

Virtual screening is a key process used to identify the most suitable molecule combinations when developing a new drug. Molecule docking is a commonly used method to analyze molecule structures and requires computing large databases to identify possible affinities between molecules. The special-purpose, field-programmable gate array (FPGA)-based Janus supercomputer accelerates the virtual screening process.
NEUROPHYSIN-LIKE PROTEIN IN BOVINE PINEAL GLAND (1974)

SUMMARY Neurophysin-like proteins have been extracted and purified from bovine pineal glands and were found to share the biochemical and immunological properties of neurophysin I and neurophysin II respectively, and to be associated with at least one biologically and immunologically active neurohormone, probably vasotocin.
High GADA titer increases the risk of insulin requirement in LADA patients: a 7-year follow-up (NIRAD study 7) (2014)

High GADA titer, BMI ≤ 25, ZnT8 and IA-2IC positivity and sulfonylurea treatment, in the first year from diagnosis, significantly increase the progression toward insulin requirement in LADA patients.
Acute Pancreatitis Secondary to Hypercalcemia (1976)

HYPERCALCEMIA due to primary hyperparathyroidism is often associated with acute pancreatitis. On the other hand, hypercalcemia accompanying other conditions is rarely the cause of pancreatitis.<sup>1-5</sup>We report a case of carcinoma of the breast with bone metastases and hypercalcemia associated with acute pancreatitis. <h3>Report of a Case</h3> A 76-year-old woman was admitted to the Department of Medicine because of diffuse abdominal pains, constipation, nausea, and vomiting of one week's duration. Two months prior to admission, she felt a mass in her right breast. Examination by mammography gave indications suspicious of neoplasm and she was referred for further investigation. The patient had had a hysterectomy 28 years before because of uterine myomatosis, and a cholecystectomy one year later because of cholelithiasis. For the eight years preceding admission to our department she had been treated with methyldopa, 500 mg/day, because of hypertension. On examination, the patient was found to be in
Characterization of Polyelectrolyte Multilayers by the Streaming Potential Method (2004)

Polyelectrolyte multilayer adsorption on mica was studied by the streaming potential method in the parallel-plate channel setup. The technique was calibrated by performing model measurements of streaming potential by using monodisperse latex particles. Two types of polyelectrolytes were used in our studies: poly(allylamine) hydrochloride (PAH), of a cationic type, and poly(sodium 4-styrenesulfonate) (PSS) of an anionic type, both having molecular weight of 70,000. The bulk characteristics of polymers were determined by measuring the specific density, diffusion coefficient for various ionic strengths, and zeta potential. These measurements as well as molecular dynamic simulations of chain shape and configurations suggested that the molecules assume an extended, wormlike shape in the bulk. Accordingly, the diffusion coefficient was interpreted in terms of a simple hydrodynamic model pertinent to flexible rods. These data allowed a proper interpretation of polyelectrolyte multilayer adsorption from NaCl solutions of various concentrations or from 10(-3) M Tris buffer. After completing a bilayer, periodic variations in the apparent zeta potential between positive and negative values were observed for multilayers terminated by PAH and PSS, respectively. These limiting zeta potential values correlated quite well with the zeta potential of the polymers in the bulk. The stability of polyelectrolyte films against prolonged washing (reaching 26 h) also was determined using the streaming potential method. It was demonstrated that the PSS layer was considerably more resistant to washing, compared to the PAH layer. It was concluded that the experimental data were consistent with the model postulating particle-like adsorption of polyelectrolytes with little chain interpenetration. It also was concluded that due to high sensitivity, the electrokinetic method applied can be effectively used for quantitative studies of polyelectrolyte adsorption, desorption, and reconformation.
A model-theoretic analysis of knowledge (1991)

and Hueltse bud strolled on to the bridge over the Har), \vhen [he fornler observed.
Clinical and Microbiological Follow-up of an Outbreak of Yersinia pseudotuberculosis Serotype Ib (2001)

Yersinia pseudotuberculosis, a food-borne pathogen, causes infection that commonly presents as gastroenteritis and mesenteric lymphadenitis. Post-infectious complications include erythema nodosum, reactive arthritis and, less commonly, uveitis and nephritis. Six serotypes of Y. pseudotuberculosis have been identified, and post-infectious complications have been identified following infection with some, but not all, serotypes. The first recognized outbreak of Y. pseudotuberculosis serotype lb occurred in British Columbia in November 1998. We documented the incidence of post-infectious complications and the effect of antibiotic use on the clinical course. Four months after the outbreak, a standardized questionnaire asking about symptoms and antibiotic use was administered by telephone to laboratory-confirmed cases. Stool samples were collected to examine for chronic carriage of Y. pseudotuberculosis and 59 of 74 eligible cases participated. The most common post-infectious symptoms were rash (8/59) and joint pain (7/59). Microbiological analysis, at follow-up, revealed 0/36 stools positive for Y. pseudotuberculosis. Seventy-eight percent of cases had taken antibiotics during their acute illness. There was no significant difference in the frequency of post-infectious symptoms between cases who had or had not taken antibiotics. The post-infectious pathogenicity of Y. pseudotuberculosis serotype lb is lower than that documented for other serotypes. Antibiotic use did not significantly alter the reported clinical course of illness.
An Experimental Study of Reactions of Co and H2 in a Continuous Flow Microwave Discharge Reactor (1974)

The reactions of CO/H <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> mixtures in a flowing microwave (2450 MHz) reactor system have been studied experimentally. This versatile microwave plasma source catalyzes the reactions selectively to products, mainly methane and acetylene. For reaction times of 0.1 to 0.5 seconds in the pressure range of 10 to 90 torr conversions of CO to hydrocarbons ranged from 4 to 19%. Electric and magnetic field configurations in the reactor, i.e. various electromagnetic modes, appear to have only minor effects on the chemical reactions. It was observed that the conversion of CO to hydrocarbons is enhanced by high ratios of H <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> /CO. Based on analysis of experimental data, hydrogen radical production appears to be the controlling mechanism for producing both methane and acetylene.
Conventional Therapy in Adults With XLH Improves Dental Manifestations, But Not Enthesopathy. (2015)

X-Linked hypophosphatemia (XLH; OMIM no. 307800) is an X-linked dominant disease due to inactivating mutations in the PHEX gene that increase fibroblast growth factor 23 (FGF23) expression in bone, resulting in renal phosphate wasting and inappropriately normal calcitriol concentrations (1). Although there are currently no approved therapies for XLH, high-dose calcitriol and phosphate salts have been the mainstay of therapy for the past three decades (1, 2). There is general agreement that most affected children should be treated (if the administration and safety of therapy can be adequately monitored), but there is a lack of consensus regarding when to treat adults (1, 2). Features of XLH that frequently affect adults include short stature, lower extremity deformity (from rickets during childhood), bone pain, pseudofractures, osteoarthritis, stiffness from enthesopathy, and tooth abscesses. Obviously, treating adult patients will not correct lower extremity deformities or short stature, and except for patients with pseudofractures, XLH patients do not have increased fracture risk (3). However, some investigators have reported improvements in bone pain and osteomalacia in treated adults (4). In this issue of the JCEM, Connor et al (5) report retrospective observations made in 52 XLH patients regarding two important disease manifestations, enthesopathy and dental disease. Unfortunately, there are no large prospective trials on the effects of medical therapy on enthesopathy or dental disease. As for many other rare diseases, large, prospective, randomized, controlled trials are not feasible. The present study is the largest to date on the effect of therapy on these two disease manifestations, and it provides important information for the care of persons having XLH.
Performance of MIMO channel estimation with a physical model (2019)

Channel estimation is challenging in multi-antenna communication systems, because of the large number of parameters to estimate. One way of facilitating this task is to use a physical model describing the multiple paths constituting the channel, in the hope of reducing the number of unknowns in the problem. The achievable performance of estimation using this kind of physical model is studied theoretically. It is found that adjusting the number of estimated paths leads to a bias-variance tradeoff which is characterized. Moreover, computing the Fisher information matrix of the model allows to identify orthogonal parameters, ultimately leading to fast and asymptotically optimal algorithms as a byproduct.
A Photonics-Inspired Compact Network: Toward Real-Time AI Processing in Communication Systems (2022)

Machine learning methods are ubiquitous in communication systems and have proven powerful for applications including radio-frequency (RF) fingerprinting, automatic modulation classification, and signal recovery in communication systems. However, the high throughput requirement of a communication link makes AI models difficult to implement in real-time on edge devices. In this work, we address this issue by improving both the algorithm and hardware to target real-time AI processing in communication systems. For algorithm development, we propose the first compact deep network consisting of a silicon photonic recurrent neural network model in combination with a simplified convolutional neural network classifier to identify RF emitters by their random transmissions. Our model achieves 96.32% classification accuracy over a set of 30 identical ZigBee devices when using 50 times fewer training parameters than an existing state-of-the-art CNN classifier (Merchant et al., 2018). Thanks to the large reduction in network size, we emulate the system using a small-scale FPGA board, the PYNQ-Z1, and demonstrate real-time RF fingerprinting with 0.219 ms latency. In addition, for hardware implementation, we further demonstrate a fully-integrated silicon photonic neural network for fiber nonlinearity compensation (Huang et al., 2021), which improves the received signal by 0.60 dB.
Photosynthetic hydrogen production: Novel protocols, promising engineering approaches and application of semi‐synthetic hydrogenases (2021)

Photosynthetic production of molecular hydrogen (H<sub>2</sub> ) by cyanobacteria and green algae is a potential source of renewable energy. These organisms are capable of water biophotolysis by taking advantage of photosynthetic apparatus that links water oxidation at Photosystem II and reduction of protons to H<sub>2</sub> downstream of Photosystem I. Although the process has a theoretical potential to displace fossil fuels, photosynthetic H<sub>2</sub> production in its current state is not yet efficient enough for industrial applications due to a number of physiological, biochemical, and engineering barriers. This article presents a short overview of the metabolic pathways and enzymes involved in H<sub>2</sub> photoproduction in cyanobacteria and green algae and our present understanding of the mechanisms of this process. We also summarize recent advances in engineering photosynthetic cell factories capable of overcoming the major barriers to efficient and sustainable H<sub>2</sub> production.
In-Tunnel Traffic Flow Measuring System Using ITV Cameras (1991)

&lt;div class="htmlview paragraph"&gt;The image processing technology using ITV cameras has been developed as a new type of sensor which can be used for many purposes. Especially, it is hopeful that the improvement of the traffic flow measuring system applying this technology can increase safety in tunnels on expressways.&lt;/div&gt; &lt;div class="htmlview paragraph"&gt;In this paper, we describe about the results of the development of this technology until present. And, the prospect in the future.&lt;/div&gt;
Dexamphetamine substitution in the treatment of amphetamine abuse: an initial investigation (2000)

Dexamphetamine prescribing appears to be reasonably safe, and is associated with improvements in drug-use. Randomized trials are warranted to determine the specific efficacy of the treatment.
5G Multi-RAT LTE-WiFi Ultra-Dense Small Cells: Performance Dynamics, Architecture, and Trends (2015)

The ongoing densification of small cells yields an unprecedented paradigm shift in user experience and network design. The most notable change comes from cellular rates being comparable to next-generation WiFi systems. Cellular-to-WiFi offloading, the standard modus operandi of recent years, is therefore shifting towards a true integration of both technology families. Users in future 5G systems will thus likely be able to use 3GPP, IEEE, and other technologies simultaneously, so as to maximize their quality of experience. To advance this high-level vision, we perform a novel performance analysis specifically taking the system-level dynamics into account and thus giving a true account on the uplink performance gains of an integrated multi radio access technology (RAT) solution versus legacy approaches. Further, we advocate for an enabling architecture that embodies the tight interaction between the different RATs, as we lay out a standardization roadmap able to materialize the envisaged design. 3GPP-compliant simulations have also been carried out to corroborate the rigorous mathematical analysis and the superiority of the proposed approach.
Ultrahigh-resolution immunofluorescence microscopy using ultrathin cryosections: subcellular distribution of caveolin-1 and CD31 in human placental endothelial cells (2006)

We compared the z-axis resolutions achieved by immunofluorescence (IF) microscopic imaging of tissue sections of different thicknesses (ultrathin cryosections, optical sections of cryostat sections and conventional cryostat sections). We used these images to determine the distribution of caveolin-1alpha (CAV-1alpha) and CD31 in endothelial cells of full-term, human placenta. Anti-CAV-1alpha antibody was used to visualize caveolae, which are among the smallest organelles. By using ultrathin cryosections as substrates for IF microscopy, we were able to resolve discrete caveolae that were primarily present immediately beneath the endothelial cell surface. In contrast, neither conventional nor confocal images from cryostat sections were able to resolve individual caveolae, despite dramatic reductions in the confocal image degradation that arises from out-of-focus fluorescence signals. Anti-CD31 antibody labeled the endothelial cell surface exclusively. Quantitative analysis of ultrathin cryosections showed that about 2.5 times more CD31 was expressed on the luminal surface of cells than on the abluminal surface. Our results demonstrate that ultrathin cryosections can serve as excellent substrates for ultrahigh-resolution IF microscopy.
Principle and design of a mobile arm support for people with muscular weakness (2006)

This article describes the development of a mobile arm support for people with muscular diseases. The arm support is spring-balanced, with special attention on reduction of operating effort (high balancing quality and low friction), functionality (large range of motion), and aesthetics (inconspicuous design). The spring settings can be adjusted for wearing heavier clothing or picking up an object, a function that can also be used for moving up or down. The device levels itself automatically to compensate for uneven floors, a function that can be overruled to assist forward/backward motion of the arm. Thus, the balancer can compensate for the weight of the arm and be adjusted to generate force to a limited (safe) extent. The principle and design of the mechanism are presented and preliminary field trial results are given. Two users report on 6 months of continuous use of the arm support in their home and social environments.
Co-Circularly Polarized Planar Antenna With Highly Decoupled Ports for S-Band Full Duplex Applications (2022)

This work presents a unidirectional, co-circularly polarized (CP), printed antenna with highly decoupled or isolated transmit (T <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> ) and receive (R <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> ) ports for 2.4 GHz in-band full duplex (IBFD) applications. The presented antenna topology is based on four similar and sequentially rotated trimmed patches with right hand circular polarized (RHCP) characteristics. The symmetrical placement of two T <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> patches with respect to both R <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> elements results in equal levels of self interference (SI) which was suppressed through balanced excitation of T <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> mode. This mechanism results in effective suppression of SI at each R <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> patch. The residual SI is suppressed further through a second balanced feeding network deployed at R <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> port of proposed antenna topology. The employed balanced feeding networks provide superior performance of ≤ 0.5 dB and 6° magnitude and phase imbalances respectively between the two balanced output ports over the bandwidth of interest. The measured results for prototype of presented antenna achieve -10 dB bandwidth of better than 100 MHz for both T <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> and R <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> ports. The measured interport coupling for validation model ≤ −70 dB across the entire bandwidth of 100 MHz. As per best of authors’ knowledge, the presented antenna is the first one to report such reduced levels of interport coupling over the whole impedance bandwidth of planar antenna with unidirectional radiation patterns and co-RHCP characteristics for both T <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> and R <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> modes across the overlapped bandwidth.
Native contrast visualization and tissue characterization of myocardial radiofrequency ablation and acetic acid chemoablation lesions at 0.55 T (2021)

The visualization of coagulation necrosis from cardiac ablation is feasible using low-field high-performance CMR. Chemoablation produced a more pronounced change in lesion T1 than RF ablation, increasing SNR and CNR and thereby making it easier to visualize in both 3D navigator-gated and real-time CMR and more suitable for low-field imaging.