gebhart/patrepeval huggingface dataset:
Differential Analysis of 2D NMR Spectra: New Natural Products from a Pilot‐Scale Fungal Extract Library (2006)

A 3D look at 2D spectra: Two previously unreported indole alkaloids could be rapidly identified from a library of unfractionated fungal extracts by using a newly developed protocol for the differential analysis of arrays of 2D NMR spectra (see picture). The technique thus represents an effective tool for the non-discriminatory characterization of secondary-metabolite mixtures. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2002/2007/z603821_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Novel Liquid Crystalline Polyrotaxane with Movable Mesogenic Side Chains (2007)

A novel side-chain liquid crystalline polyrotaxane (LCPR) whose mesogenic side chains can slide and rotate on the linear backbone was first developed. To obtain the LCPR, 6-(4‘-cyanobiphenyl-4‘ ‘-yloxy)hexanoyl chloride was prepared and reacted with a polyrotaxane consisting of α-cyclodextrin, poly(ethylene glycol) (Mw = 35 000), and adamantane end groups. The molecular characterization of the LCPR was performed with FT-IR, 1H NMR, and gel permeation chromatography analysis. Its phase structures and transitions were investigated by differential scanning calorimetry, wide-angle X-ray diffraction, and polarized light microscopy experiments. The experimental results shows that the LCPR has glass transition at 70 °C and mesomorphic−isotropic transition at 129 °C.
RADOM, an Efficient In Vivo Method for Assembling Designed DNA Fragments up to 10 kb Long in Saccharomyces cerevisiae (2014)

We describe rapid assembly of DNA overlapping multifragments (RADOM), an improved assembly method via homologous recombination in Saccharomyces cerevisiae, which combines assembly in yeasto with blue/white screening in Escherichia coli. We show that RADOM can successfully assemble ∼3 and ∼10 kb DNA fragments that are highly similar to the yeast genome rapidly and accurately. This method was tested in the Build-A-Genome course by undergraduate students, where 125 ∼3 kb "minichunks" from the synthetic yeast genome project Sc2.0 were assembled. Here, 122 out of 125 minichunks achieved insertions with correct sizes, and 102 minichunks were sequenced verified. As this method reduces the time-consuming and labor-intensive efforts of yeast assembly by improving the screening efficiency for correct assemblies, it may find routine applications in the construction of DNA fragments, especially in hierarchical assembly projects.
Vapor Signatures of Double-Base Smokeless Powders and Gunshot Residues for Supporting Canine Odor Imprinting (2022)

Non-intrusive means to detect concealed firearms based on magnetometry are widely accepted and employed worldwide. Explosive detection canines can also detect concealed firearms provided that they are imprinted on materials that may be related to firearms such as nitroglycerin in double-base smokeless powders. However, there are hundreds of possible smokeless powder formulations across various manufacturers, presenting a challenge for trained canines to generalize across all possible powder compositions. In response, this paper reports a set of potential imprinting vapor(s) that may help detection canines generalize across a variety of double-base smokeless powders and gunshot residues. Statistical analysis was conducted on the smokeless powder database maintained by the National Center for Forensic Science, and headspace measurements targeting nitroglycerin and diphenylamine were collected from several powders. In addition, measurements were taken to track nitroglycerin and diphenylamine vapor concentration changes over time on the spent casings and gun barrels of four types of ammunition. The observed vapor concentration mixing ratios for nitroglycerin and diphenylamine from residues were in the part-per-billion to part-per-trillion range, which would be challenging to detect for many field-deployed explosive vapor detectors and indicate continued importance of canines for forensic investigation and crime prevention. Analyses suggest four potential vapor compositions for imprinting. For unburnt powders, 90% nitroglycerin and 10% diphenylamine appear adequate for most powders, and 90% dinitrotoluene and 10% diphenylamine is a possible candidate to increase generalization to powders that contain dinitrotoluene instead of nitroglycerin. 100% nitroglycerin appears adequate for many gunshot residues (GSRs). Diphenylamine may be present in some GSRs, and equal compositions of nitroglycerin and diphenylamine may be adequate for imprinting against these residues as they age (this study tracked signatures up to 7 weeks after discharge).
Distributed Base Station Cooperation via Block-Diagonalization and Dual-Decomposition (2008)

It has been recently shown that base station cooperation may yield great capacity improvement in downlink multiple antenna cellular networks. However, the proposed solutions assume that there is a central processing unit which coordinates the information exchange and determines the optimal resource allocation of the overall cellular network. Whilst the benefits of base station cooperation are large, computational burden of the central unit can be significant. Thus distributed solutions are desirable. This paper suggests a distributed solution for base station cooperation via block-diagonalization and dual-decomposition to maximize the weighted sum network capacity under per-antenna power constraint. The block-diagonalization pre-coding matrix is determined separately at each base station. It enables the full potential of base station cooperation by determining a trade-off between inter-cell interference mitigation, spatial multiplexing and macro diversity. The power allocation problem is formulated as a network utility maximization (NUM) problem. By looking at its Lagrangian dual problem, the decomposable structure of the optimization problem is revealed. This leads to a distributed and iterative algorithm that converges to the global optimum. The advantage of macro diversity in addition to inter-cell interference mitigation and spatial multiplexing in base station cooperation context is studied and shows superior performance in terms of a higher capacity increase with lower variance.
Interferon beta-1b treatment does not induce autoantibodies (2005)

Interferon beta-1b treatment did not induce autoantibody formation in this population of patients with secondary progressive multiple sclerosis.
Phenylquinoxaline–Aryl ester block copolymers (1990)

Abstract Phenylquinoxaline–aryl ester block copolymers were synthesized using well‐defined phenolic hydroxyl terminated oligomers via a monomers/oligomer approach. Phenylquinoxaline oligomers with molecular weights of 5600 and 12,900 g/mol were prepared from the condensation of 1,4‐bis(phenylglyoxalyl)benzene and 3,3′‐diaminobenzidine in the presence of 4‐hydroxylbenzil. The oligomers were copolymerized with isophthaloyl chloride and bisphenol A in tetrachloroethane to afford the desired phenylquinoxaline–aryl ester block copolymers. Copolymers with polyester compositions ranging from 15–50 wt % were prepared by controlling the monomers/oligomer stoichiometry. The majority of the materials displayed single phase morphologies with T g s intermediate to the T g s for the poly (phenylquinoxaline) and polyester homopolymers. Plots of the reciprocal of the T g of the copolymers versus composition agreed well with values predicted by the Fox equation. A multiphase morphology was obtained for the copolymer with the highest polyester block length (⋍ 13,000 g/mol), which displayed a T g at 190 and 300°C indicative of a glassy–glassy system. Significant improvement in the elongations were observed for the copolymers relative to the poly(phenylquinoxaline) homopolymer. The improved elongations were obtained with minimal sacrifice to the modulus. These materials represent the first example of poly(phenylquinoxaline) block copolymers from well‐defined phenylquinoxaline oligomers.
Spice modelling flow for ESD simulation of CMOS ICs (2016)

A SPICE based simulation flow is proposed for ESD verification in standard analog simulation environment. Models contain ESD specific sub-circuits and failure thresholds which are activated on demand. Good agreement with experimental data is proven including bipolar operation and the triggering of parasitic paths. The flow has been successfully tested on real designs.
P4‐063: Bilingualism fails to delay the onset of Alzheimer's disease (2008)

A recent paper suggested that early bilingualism produced a statistically significant 4.1 year delay in onset of memory loss symptoms in older individuals with Alzheimer Disease, reflecting an increase in the cognitive reserve of these individuals. The study focused on multilingual elderly patients of whom 90% were immigrants. Our Memory clinic, in Montreal Canada, has the advantage of having a large set of individuals who are either multilingual immigrants to Canada, or who were raised in both official languages of Canada – French and English. We thus attempted to replicate the above findings in a larger cohort in a different setting, looking at age at diagnosis of dementia, age at symptom onset, and age of diagnosis for those who were non-immigrants bilingual in English and French. Chart review of 632 patients referred (between 1997 and 2006). Language history was obtained from patient and caregiver interviews, and multilingualism was defined according to defined criteria. There was no difference in the age of diagnosis of dementia between monolinguals and multilinguals (76.6 vs 77.5, p>0.05). Amongst multilinguals, the number of languages spoken was not found to be associated with age at diagnosis, r=0.05, p>0.05. This lack of difference held even when only native born French/English vs. bilinguals were considered. We were unable to replicate the claim that bilingualism confers a protective effect on memory loss or dementia diagnosis.
Clinicopathological characterisation of renal cell carcinoma in young adults: a contemporary update and review of literature (2019)

Our results suggest that renal cell carcinoma in children and young adults is a relatively rare disease that shares many histological similarities to renal cell carcinoma occurring in adults and yet demonstrate some unique clinical-pathological differences. Microphthalmia-associated transcription (MiT) family translocation RCC and rare familial syndrome subtypes are relatively more frequent in the paediatric and adolescent age groups than in adults. Clear cell RCC still accounted for the most common subtype seen in this age group. MiT family translocation RCC patients presented with advanced stage disease and had poor clinical outcomes. The large and heterogeneous subgroup of unclassified renal cell carcinoma contains phenotypically distinct tumours with further potential for future subcategories in the renal cell carcinoma classification.
Luminescent AgAu Alloy Clusters Derived from Ag Nanoparticles – Manifestations of Tunable AuI–CuI Metallophilic Interactions (2013)

Abstract Luminescent AgAu alloy quantum clusters are synthesized by a simple method that utilizes the galvanic reduction of polydisperse plasmonic silver nanoparticles. The clusters are characterized by ultraviolet–visible (UV/Vis) absorption spectroscopy, photoluminescence (PL) spectroscopy, X‐ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), and matrix‐assisted laser desorption ionization mass spectrometry (MALDI MS). Selective and tunable quenching of cluster luminescence by Cu II ions is observed and depends highly on the solvent as well as the protecting ligands. Metal‐ion selectivity is exclusively caused by metallophilic interactions with the cluster core, and the tunability depends on the nature of the protecting ligands as well as solvent effects. Detailed XPS and time‐resolved luminescence measurements reveal that the tunability of luminescence quenching is achieved by the systematic variation of the metallophilic interactions between the Au I ions of the alloy cluster and Cu I ions formed by the reduction of Cu II ions by the cluster core. This is the first report of tunable metallophilic interactions between monolayer‐protected quantum clusters and a closed‐shell metal ion. We hope that these results will draw more attention to the field of quantum cluster–metal ion interactions and provide useful insights into the stability of these clusters, origin of their intense luminescence, mechanisms of metal‐ion sensing, and also help in the development of methods for tuning their properties.
Room temperature nanofabrication of atomically registeredheteromolecular organosilicon nanostructures using multistepfeedback controlled lithography (2004)

Ultrahigh vacuum scanning tunneling microscopy is employed for the nanofabrication and characterization of atomically registered heteromolecular organosilicon nanostructures at room temperature. In the first fabrication step, feedback controlled lithography (FCL) is used to pattern individual 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO) free radical molecules at opposite ends of the same dimer row on the Si(100)-2×1:H surface. In atomic registration with the first pattern, FCL is subsequently applied for the removal of a single hydrogen atom. The resulting dangling bond templates the spontaneous growth of a styrene chain that is oriented along the underlying dimer row. The styrene chain growth is bounded by the originally patterned TEMPO molecules, thus resulting in a heteromolecular organosilicon nanostructure. The demonstration of multistep FCL suggests that this approach can be widely used for fundamental studies and fabricating prototype devices that require atomically registered organic molecules mounted on silicon surfaces.
Fourier Analysis Method for Asymmetric Polarization-Maintaining Fiber Alignment (2012)

A new method for alignment of asymmetric polarization-maintaining (PM) fibers has been developed. It improves alignment accuracy for PM fibers with asymmetric stress applying parts. It provides a fast and accurate universal method for splicing recently developed PM fiber types.
Studies on Brain Density in Hemodialysis and Peritoneal Dialysis (1982)

30 patients on hemodialysis or peritoneal dialysis have been investigated by computerized tomographic (CT) scan. To evaluate possible cerebral alterations induced by dialysis, CT examinations were carried out before, immediately after and 6 h after the end of dialysis with an Evaluskop, which provides an objective precise evaluation of even slight variations in brain density. No morphological variations were noted after dialysis, while the brain density fell significantly during and after the treatment. A decrease in density was not observed in normal subjects or in patients on continuous peritoneal dialysis. The changes in the densitometric values of brain tissue suggest that there is a postdialysis gain in cerebral water linked to the intermittent treatment. CT may represent a simple reliable method for studying uremic encephalopathy and investigating the pathogenesis of the dialysis disequilibrium syndrome.
Cellulose Microfibril Twist, Mechanics, and Implication for Cellulose Biosynthesis (2013)

All-atom molecular dynamics simulations with explicit water solvent were used to investigate the microstructure and conformational dynamics of cellulose Iβ microfibrils as a function of microfibril length and cross-sectional size and shape. Cellulose microfibrils quickly develop a right-handed twist, which then remains stable over the entire 10 ns simulation time. The helical angle is independent of microfibril length and inversely proportional to its cross-sectional area, in accord with the expectations of continuum theory for an intrinsic chiral twist that is opposed by torsional shear. These calculations provide-to our knowledge-the first estimates of the shear modulus of a cellulose microfibril from MD simulations. The internal strains caused by this helical twist, propagated indefinitely along the microfibril axis, could be relaxed by periodic regions of amorphous structure along the axis of the cellulose microfibrils.
Layered Manufacturing With Embedded Components: Process Planning Considerations (1999)

Abstract This paper addresses the design and manufacturing of products with embedded components through layered manufacturing processes such as Shape Deposition Manufacturing (SDM). Embedding components allows the creation of novel designs such as “smart” products and integrated assemblies of sensors, actuators and other mechanical components. We present prototypes to illustrate the possibilities for such devices and we address the issues that constrain their process planning. Next, we present a combination of process planning algorithms and manufacturing methods that we have developed to support the design of layered products with embedded components.
Malleostapedotomy Revisited (2014)

As neck-MS provided results comparable to those of handle-MS in our extended case series, it might be a useful procedure in selected cases of otosclerosis or stapes fixation with an incus anomaly, especially in revision cases after handle-MS.
RoSym (2022)

Internet of Things (IoT) firmware upgrade has turned out to be a challenging task with respect to security. While Over-The-Air (OTA) software upgrade possibility is an essential feature to achieve security, it is also most sensitive to attacks and lots of different firmware upgrade attacks have been presented in the literature. Several security solutions exist to tackle these problems. We observe though that most prior art solutions are public key-based, they are not flexible with respect to firmware image distribution principles and it is challenging to make a design with good Denial-Of-Service (DoS) attacks resistance. Apart from often being rather resource demanding, a limitation with current public key-based solutions is that they are not quantum computer resistant. Hence, in this paper, we take a new look into the firmware upgrade problem and propose RoSym, a secure, firmware distribution principle agnostic, and DoS protected upgrade mechanism purely based on symmetric cryptography. We present an experimental evaluation on a real testbed environment for the scheme. The results show that the scheme is efficient in comparison to other state of the art solutions. We also make a formal security verification of RoSym showing that it is robust against different attacks.
Lucanthone and Its Derivative Hycanthone Inhibit Apurinic Endonuclease-1 (APE1) by Direct Protein Binding (2011)

Lucanthone and hycanthone are thioxanthenone DNA intercalators used in the 1980s as antitumor agents. Lucanthone is in Phase I clinical trial, whereas hycanthone was pulled out of Phase II trials. Their potential mechanism of action includes DNA intercalation, inhibition of nucleic acid biosyntheses, and inhibition of enzymes like topoisomerases and the dual function base excision repair enzyme apurinic endonuclease 1 (APE1). Lucanthone inhibits the endonuclease activity of APE1, without affecting its redox activity. Our goal was to decipher the precise mechanism of APE1 inhibition as a prerequisite towards development of improved therapeutics that can counteract higher APE1 activity often seen in tumors. The IC(50) values for inhibition of APE1 incision of depurinated plasmid DNA by lucanthone and hycanthone were 5 µM and 80 nM, respectively. The K(D) values (affinity constants) for APE1, as determined by BIACORE binding studies, were 89 nM for lucanthone/10 nM for hycanthone. APE1 structures reveal a hydrophobic pocket where hydrophobic small molecules like thioxanthenones can bind, and our modeling studies confirmed such docking. Circular dichroism spectra uncovered change in the helical structure of APE1 in the presence of lucanthone/hycanthone, and notably, this effect was decreased (Phe266Ala or Phe266Cys or Trp280Leu) or abolished (Phe266Ala/Trp280Ala) when hydrophobic site mutants were employed. Reduced inhibition by lucanthone of the diminished endonuclease activity of hydrophobic mutant proteins (as compared to wild type APE1) supports that binding of lucanthone to the hydrophobic pocket dictates APE1 inhibition. The DNA binding capacity of APE1 was marginally inhibited by lucanthone, and not at all by hycanthone, supporting our hypothesis that thioxanthenones inhibit APE1, predominantly, by direct interaction. Finally, lucanthone-induced degradation was drastically reduced in the presence of short and long lived free radical scavengers, e.g., TRIS and DMSO, suggesting that the mechanism of APE1 breakdown may involve free radical-induced peptide bond cleavage.
Ultrastructural effects of pyridalyl, an insecticidal agent, on epidermal cells of Spodoptera litura larvae and cultured insect cells Sf9 (2006)

The ultrastructural effects of pyridalyl on the epidermal cells of S. litura larvae and cultured Sf9 cells were observed. In epidermal cells, hydropic degeneration containing swollen mitochondria, dilated rough endoplasmic reticulum, dilated Golgi apparatus, shrunken nuclei and increase of unidentified clear granules appeared 6 hr after treatment. In Sf9 cells, swelling of mitochondria was observed 4–6 hr after treatment, and then the cells finally entered hydropic degeneration. Since the time course of such ultrastructural changes was parallel to that of poisoning symptoms in the larvae, these effects were thought to be related with insecticidal action.
Cadmium down-regulates expression of XIAP at the post-transcriptional level in prostate cancer cells through an NF-κB-independent, proteasome-mediated mechanism (2010)

Selection of cadmium-resistant cells could represent an adaptive survival mechanism that may contribute to progression of prostatic malignancies.
Structure of a tetratertiaryamino-diphenolato macrocyclic ligand (1992)

C 28 H 40 N 4 O 2 cristallise dans P2 1 /n avec a = 12,529, b = 13,068 et c = 15,815 A, β = 93,58 °; affinement jusqu'a R = 0,052. Ce macrocycle a une configuration asymetrique. Les groupes OH phenoliques sont lies par liaisons hydrogene intramoleculaires aux atomes N les plus proches.
The direct synthesis of hydrogen peroxide from H2 and O2 using Pd–Ga and Pd–In catalysts (2020)

The direct synthesis of hydrogen peroxide is investigated using PdGa/TiO<sub>2</sub> and PdIn/TiO<sub>2</sub> catalysts prepared by an acid-washed sol-immobilisation procedure, which allows for enhanced catalytic selectivity.