cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Tailored optical vector fields for ultrashort-pulse laser micro-processing
Creators: name: Ouyang, J
Publisher: name: University of Liverpool Repository
Year: 2016

description: In this thesis, a Spatial Light Modulator (SLM) and a nano-structured S-waveplate were integrated with a picosecond laser system and employed to generate complex vector optical fields. Precise tailoring of optical vector beams is demonstrated, shaping their focal electric fields. Using novel optical setups, radial and azimuthal polarizations with and without vortex phase wavefront were created, producing complex laser micro patterning on a polished metal surface. Imprinting Laser Induced Periodic Surface Structures(LIPSS) elucidates the detailed vector fields around the focal region, which shows clearly how the Orbital Angular Momentum(OAM) associated with a helical wavefront induces rotation of vector fields along the optical axis of a focusing lens. In addition, unique, variable logarithmic spiral micro-structures were imprinted on the metal surface. These are the first experimental observations of such micro-structured spirals created by multi-pulse exposure with spiral vector fields which are shown to be due to superpositions of plane wave radial and azimuthal polarizations. A comparative analysis of micro-drilling with radially, azimuthally, circularly and linearly polarized beams with various wavefront was also carried out. The results are compared in terms of quality and efficiency, illustrating how the distinct machining properties associated with each beam make it best suited for specific processes or materials. A radially polarized beam was considered as the most efficient at drilling high-aspect-ratio features. By applying an axicon phase map on the SLM, annular shaped laser beams with adjustable dimension were created and employed in semiconductor thin film selective removal, which enhanced processing speed to a new level. Furthermore, annular beams with radial and azimuthal polarization were generated, imprinting complex concentric ring LIPSS pattern on a polished stainless steel surface. Side white light illumination tests demonstrated distinguishable bright strips on these rings due to diffractive properties of LIPSS, which offers a novel way in variable information encoding technologies. Finally, synchronization of vector field polarizations with micro-positioning at a material surface was demonstrated, leading to potential industrial applications of this work.
Accurate Quantification of TiO2Nanoparticles Collected on Air Filters Using a Microwave-Assisted Acid Digestion Method
Creators: name: T. Renée Anthony
name: Peters, Thomas M.
name: Imali Mudunkotuwa
name: Grassian, Vicki
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: Chemistry
subject: Earth and Environmental Sciences
subject: Biotechnology
subject: Molecular Biology
subject: Cell Biology
subject: Engineering
subject: Biochemistry

description: ABSTRACTTitanium dioxide (TiO2) particles, including nanoparticles with diameters smaller than 100 nm, are used extensively in consumer products. In a 2011 current intelligence bulletin, the National Institute of Occupational Safety and Health (NIOSH) recommended methods to assess worker exposures to fine and ultrafine TiO2 particles and associated occupational exposure limits for these particles. However, there are several challenges and problems encountered with these recommended exposure assessment methods involving the accurate quantitation of titanium dioxide collected on air filters using acid digestion followed by inductively coupled plasma optical emission spectroscopy (ICP-OES). Specifically, recommended digestion methods include the use of several hazardous chemicals, such as perchloric acid, which are typically unavailable in most accredited industrial hygiene laboratories. Other alternative methods that are used typically involve the use of nitric acid or combination of nitric acid and sulfuric acid, which yield very poor recoveries for titanium dioxide. Therefore, given the current state of the science, it is clear that a newer safe, reliable method is needed for exposure assessment. In this current study, a microwave-assisted acid digestion method has been specifically designed to improve the recovery of titanium in TiO2 nanoparticles for analysis using ICP-OES. The optimum digestion conditions were determined by changing several variables including the acids used, digestion time and temperature. Consequently, the optimized digestion temperature of 210°C with concentrated sulfuric and nitric acid (2:1 v/v) resulted in a recovery of >90% for TiO2. The method is expected to provide for a more accurate quantification of airborne TiO2 particles in the workplace environment.
Cobalt(II) catalyzed Michael-type hydroamination of activated olefins
Creators: name: Rajesh, Rajagopal
name: Devassy, Joseph Prince
name: Nihala, Rasheed
name: Kunjanpillai, Rajesh
Publisher: name: Taylor & Francis
Year: 2024
Subjects: Biochemistry
Pharmacology
Biotechnology
Chemical Sciences not elsewhere classified

description: The aza-Michael addition reaction of primary and secondary amines to α,β-unsaturated olefins viz; acrylonitrile, phenyl vinyl sulfone and dimethyl maleate has been carried out using 5–10 mol% Co(NO3)2.6H2O as a catalyst in t-BuOMe at 80–100 °C, giving rise to the desired β-aminocarbonyl compounds or sulfones in moderate to good yields. A wide range of aromatic amines, even those bearing electron withdrawing groups could be added to activated olefins via this strategy. Addition of (hetero)aromatic amines were also feasible, while in case of 2-aminopyridine the reaction was found to be effective only when AgOTf was added along with the catalyst. The aliphatic amines; benzylamine, dibenzylamine, di-n-butylamine were also smoothly added to acrylonitrile and phenyl vinyl sulfone. The methodology describes cobalt(II) nitrate as an eco-friendly, cheap and shelf available catalyst suitable for performing the Michael-type hydroamination reactions.
Phygadeuon melanopygus
Creators: name: Riedel
name: Pénigot
name: Schwarz
name: Diller
name: Johansson
name: Japoshvili, G.
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Ichneumonidae
Phygadeuon
Phygadeuon melanopygus

description: Phygadeuon melanopygus (GRAVENHORST, 1829), det. Schwarz
M a t e r i a l e x a m i n e d: Trap7: 1♀ 1-13.vi.
D i s t r i b u t i o n: Western Palaearctic, new record for Georgia and the Caucasus region.
description: Published as part of Riedel, Pénigot, Schwarz, Diller, Johansson & Japoshvili, G., 2023, Darwin wasps (Hymenoptera, Ichneumonidae) of the Kintrishi National Park, Sakartvelo (Georgia), with descriptions of six new species, pp. 61-153 in Linzer biologische Beiträge 55 (1) on page 125, DOI: 10.5281/zenodo.10788481
SPME-GC-MS analysis of commercial henna samples (Lawsonia inermis L.)
Creators: name: Ricciutelli, Massimo
name: Maggi, Filippo
name: Mengoni, Tamara
name: Peregrina, Dolores Vargas
name: Censi, Roberta
name: Cortese, Manuela
name: Martino, Piera Di
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Science Policy
subject: Biological Sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Chemistry
subject: Earth and Environmental Sciences

description: The aim of this work was to provide a characterisation of volatile constituents from different commercial batches of henna (Lawsonia inermis) leaves of different geographic origin. Headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography–mass spectrometry (GC–MS) was used for the purpose. A total of 72 components were identified by GC–MS in the headspace of different henna samples which proved to differ considerably from each other, because they were characterised by different classes of components, mainly aliphatic compounds (9.0–64.7%), terpenoids (5.8–45.5%) and aromatics (7.9–45.2%), with alkanes (0.9–18.5%), aldehydes (2.1–18.8%) and carboxylic acids (3.1–29.3%), monoterpenes (3.4–30.0%) and sesquiterpenes (0.8–23.7%) and phenyl propanoids (0.6–43.1%), being the most abundant, respectively. Major representatives of these groups were n-hexadecane (0.5–4.7%), (2E)-hexenal (0.5–11.7%) and acetic acid (2.8–24.5%), limonene (0.8–14.7%), carvol (3.8–7.1%), geranyl acetone (1.4–7.9%) and (E)-caryophyllene (3.3–8.4%), and (E)-anethole (0.6–35.0%), respectively. We assume that factors such as the manufacturing process, the storage conditions and the different geographic origin of the samples may contribute to such variability.
Synthesis and structural characterization of a novel large type double-layered cyclophanes based on the reaction of bis(N-alkylene benzothiazolium) dibromide and triethylamine
Creators: name: Wei, Zhen-zhong
name: Chi, Xing-bao
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Biophysics
subject: Biochemistry
subject: Physical Sciences not elsewhere classified
subject: Medicine
subject: Biotechnology
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified

description: The synthesis of a novel large type double-layered cyclophanes has been successfully accomplished by free radical coupling reaction with the bis(N-alkylene benzothiazolium) dibromide salts as their important synthetic intermediates. The structures of the two-layered cyclophanes and the synthetic intermediates have been elucidated based on the NMR data and X-ray structural analysis, respectively. The two-layered cyclophanes consist of two different geometries, anti-two cyclic lactam amide rings inside and two bridges of disulfide bonds outside, which are unique and novel structures. Their physical properties were investigated by UV–Vis and redox potential, too.
Dynamic problems and nature inspired meta-heuristics
Creators: name: Hendtlass, Tim
name: Moser, Irene
name: Randall, Marcus
Publisher: name: Swinburne
Year: 2024

description: Biological systems have often been used as the inspiration for search techniques to solve continuous and discrete combinatorial optimisation problems. One of the key aspects of biological systems is their ability to adapt to changing environmental conditions. Yet, biologically inspired optimisation techniques are mostly used to solve static problems (problems that do not change while they are being solved) rather than their dynamic counterparts. This is mainly due to the fact that the incorporation of temporal search control is a challenging task. Recently, however, a greater body of work has been completed on enhanced versions of these biologically inspired meta-heuristics, particularly genetic algorithms, ant colony optimisation, particle swarm optimisation and extremal optimisation, so as to allow them to solve dynamic optimisation problems. This survey chapter examines representative works and methodologies of these techniques on this important class of problems.
Green synthesis, molecular docking and in vitro biological evaluation of novel hydrazones, pyrazoles, 1,2,4-triazoles and 1,3,4-oxadiazoles
Creators: name: Younis, Ahmed
name: Kassem, Asmaa F
name: Aboulthana, Wael M
name: Sediek, Ashraf A
Publisher: name: Taylor & Francis
Year: 2024
Subjects: Biochemistry
Pharmacology
Chemical Sciences not elsewhere classified
Biological Sciences not elsewhere classified
Information Systems not elsewhere classified

description: Ultrasonic waves were used for synthesis of novel hydrazones, bishydrazones, pyrazoles, 1,2,4-triazole and 1,3,4-oxadiazole. The structural formulae of the synthesized compounds were elucidated in terms of elemental and spectroscopic analyses. All synthesized compounds were estimated by testing total antioxidant capacity, iron‐reducing power, the scavenging activity against ABTS and DPPH radicals in addition to testing anti‐diabetic, anti‐Alzheimer and anti‐arthritic activities. All compounds displayed good to potent bioactivity. Compounds 6, 10 exhibit the highest antioxidant and free radicals scavenging activities. Furthermore, compounds 6, 10 demonstrate the strongest inhibition of α‐amylase and α-glucosidase. Compound 12 exhibit strongest acetylcholinesterase inhibition among prepared compounds. However, compounds 18a,b, 19 show a significantly higher inhibition percentage for protein denaturation and proteinase. The most bioactive prepared compounds 6, 10 and 12 were investigated toward docking methodology against appropriate protein.
South African research contributions to Lecture Notes in Computer Science, 1973–2022
Creators: name: Naude, Filistea
name: Kroeze, Jan
Publisher: name: figshare
Year: 2025
Subjects: classificationCode: 469999
subject: Other information and computing sciences not elsewhere classified

description: Naudé, F. and Kroeze, J.H., 2024. South African research contributions to Lecture Notes in Computer Science, 1973–2022. South African Journal of Science, 120(1/2).Lecture Notes in Computer Science (LNCS) is a globally recognised publication outlet for the field of Computer Science, including in South Africa. In this study, spanning from 1973 to 2022, we investigated the research participation of South African based authors in LNCS. The publication output and citation impact of these authors were compared to the global Computer Science and LNCS output. The authorship patterns and collaborative behaviour of South African LNCS papers were explored, and a keyword or topic analysis also conducted. Of the total of 518 662 LNCS papers published globally between 1973 and 2022, South African-based researchers contributed 1150 papers (0.22%). The LNCS papers from South Africa exhibit a strong collaborative publication culture, with 1043 (91%) co-authored and 107 (9%) single-authored works. Local LNCS researchers prefer institutional collaboration (43%), followed by international (37%) and national collaboration (11%). Europe emerged as the most significant collaboration partner for LNCS researchers in South Africa. Of the 1150 papers, 836 (73%) had received citations, while 314 (27%) had not. On average, papers published by South African-based authors received 6.05 citations, compared to the global LNCS average of 9.49 citations per paper. A keyword analysis revealed that the majority of papers by South African authors focus on artificial intelligence. The results indicate that, although LNCS serves as a reputable dissemination platform for Computer Science research output both globally and locally, South African authors should consider publishing more journal articles to build and improve their researcher profiles.
The factors influencing churn rates among season ticket holders: An empirical analysis
Creators: name: McDonald, Heath
Publisher: name: Swinburne
Year: 2024

description: Season ticket holders (STHs) are vital to professional sport club revenue and are purported to be the most loyal and involved of fans. Nonrenewal (churn) rates among STHs, however, often exceed 20%. Low member satisfaction, poor onfield performance and low game attendance have all been posited as explanations of high churn rates, but rarely empirically examined. The research reported here employed a unique study of over 4,500 STHs, incorporating both survey research and measures of actual behavior, to determine which variables best explain and predict churn within two professional sport teams. A variety of analytical techniques all suggest that the key variables predicting churn are length of relationship and the number of games attended. New, low attending STHs are over five times more likely to churn than long-term, frequent attendees. Typical management practice is to run reward schemes designed to increase attendance and encourage renewal. The results of this study suggest that fundamental differences in the way new, low attending members evaluate the season ticket product may render those schemes ineffective. Shifting the focus of these STHs toward the intangibles of the product, such as stronger feelings of involvement, a sense of community and increased patron worth, could be more effective at reducing churn.
A new 5-alkylresorcinol glucoside derivative from Cybianthus magnus
Creators: name: B. Cabanillas
name: P. Vásquez-Ocmín
name: I. Zebiri
name: E. Rengifo
name: M. Sauvain
name: H.L. Le
name: A. Vaisberg
name: L. Voutquenne-Nazabadioko
name: M. Haddad
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Cancer
subject: Biological Sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Chemistry
subject: Earth and Environmental Sciences
subject: Pharmacology
subject: Cell Biology
subject: Medicine
subject: Biochemistry

description: One new 5-alkylresorcinol glucoside (1) was isolated from leaves of Cybianthus magnus, along with 12 known compounds, isolated from four plants belonging to Myrsinaceae family (2, 3 isolated from C. magnus; 4–7, 10 and 11 isolated from Myrsine latifolia; 4, 8 and 9 isolated from Myrsine sessiflora; 6, 7, 10, 12 and 13 isolated from Myrsine congesta). Their structures were determined on the basis of spectroscopic analysis and by comparison of their spectral data with those reported in the literature. So far, only nine 5-alkylresorcinol glucosides were isolated from leaves of Grevillea robusta. Since resorcinols are known to exhibit strong cytotoxic activity, compounds 1 and 2 were tested against cell lines 3T3, H460, DU145 and MCF-7 for cytotoxicity in vitro and compounds 3–13 were tested for their antileishmanial activity. Compound 2 displayed a strong cytotoxic activity with IC50 values ranging between 22 and 100 μM for all tested cell lines. Compounds 3–13 were not active against Leishmania amazonensis amastigotes.
Solvent-free and efficient heterogeneous Biginelli reactions catalyzed by copper (II)-incorporated iminophenol-based porous organic polymer
Creators: name: Joseph, Pradeepruban
name: Kundu, Pintu K.
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Biophysics
subject: Biochemistry
subject: Physical Sciences not elsewhere classified
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Biotechnology
subject: Chemical Sciences not elsewhere classified

description: The copper (II)-incorporated iminophenol containing porous polymer (Cu-TAzo-TAPB), which was reported to be a recyclable catalyst for click reactions, is now exploited as an efficient catalyst in the solvent-free one-pot process to make 3,4-dihydropyrimidinone derivatives (DHPMs) by a three-component condensation reaction of urea/thiourea, aldehydes, and active methylene compounds. Usually, these reactions are complicated to carry out in a neutral medium. We describe here an eco-friendly method to produce Biginelli products with 5 mol% catalyst loading with a simple isolation technique. The high product yields show the effective Biginelli reaction technique. The catalyst is highly stable and easily recoverable for reuse without significant loss of catalytic efficiency.
An efficient Ag2SO4-deposited ZnO in photocatalytic removal of indigo carmine and phenol under outdoor light irradiation
Creators: name: Hui-Sun Choo
name: Sze-Mun Lam
name: Jin-Chung Sin
name: Mohamed, Abdul Rahman
Publisher: name: Taylor & Francis
Year: 2016
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Plasma Physics

description: Silver sulfate (Ag2SO4) was successfully deposited on ZnO via a simple impregnation method. The as-synthesized sample was characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, fourier transform infrared spectroscopy, and UV–vis diffuse reflectance spectroscopy. The photocatalytic activities of pure ZnO and 10 wt% Ag2SO4/ZnO were evaluated for the removal of indigo carmine and phenol under outdoor light irradiation. The results showed that the photocatalytic activity of Ag2SO4/ZnO was higher than those of pure ZnO and commercial TiO2 for both pollutants removal. Identification of intermediate products and radical scavengers test were also carried out. The effects of process variables such as initial pollutants concentration and solution pH toward the photocatalytic degradation efficiency were also investigated. The optimum initial pollutants concentration was found to be 10 mg/L for both pollutants. The photo removal of indigo carmine was favorable at pH 7 while in the case of phenol, maximum degradation rate was observed at pH 5. The excellent photocatalytic property of Ag2SO4-deposited ZnO suggested its potential usage for practical applications in wastewater remediation.
Hydrodynamic forces involving deformable interfaces at nanometer separations
Creators: name: Manica, Rogerio
name: Connor, Jason N.
name: Dagastine, Raymond R.
name: Carnie, Steven L.
name: Horn, Roger G.
name: Chan, Derek
Publisher: name: Swinburne
Year: 2024

description: A model is developed to describe the dynamic forces acting between two deformable drops, or between one drop and a solid surface, when they are in relative axisymmetric motion at separations of ~100 nm in a Newtonian liquid. Forces arise from hydrodynamic pressure in the draining liquid film that separates the interfaces and from disjoining pressure due to repulsive or attractive surface forces. Predictions of the model are successfully compared with recent experimental measurements of the force between two micrometer-scale surfactant stabilized decane drops in water in an atomic force microscope [S. L. Carnie, D. Y. C. Chan, C. Lewis, R. Manica, and R. R. Dagastine, Langmuir 21, 2912 (2005); R. R. Dagastine, R. Manica, S. L. Carnie, D. Y. C. Chan, G. W. Stevens, and F. Grieser, Science 313, 210 (2006)] and with subnanometer resolution measurements of time-dependent deformations of a millimeter-scale mercury drop approaching a flat mica surface in a modified surface force apparatus [J. N. Connor and R. G. Horn, Faraday Discuss. 123, 193 (2003); R. G. Horn, M. Asadullah, and J. N. Connor, Langmuir 22, 2610 (2006)]. Special limits of the model applicable to small and moderate deformation regimes are also studied to elucidate the key physical ingredients that contribute to the characteristic behavior of dynamic collisions involving fluid interfaces.
Phygadeuon meridionator
Creators: name: Riedel
name: Pénigot
name: Schwarz
name: Diller
name: Johansson
name: Japoshvili, G.
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Ichneumonidae
Phygadeuon
Phygadeuon meridionator

description: Phygadeuon meridionator (AUBERT, 1960)
M a t e r i a l e x a m i n e d: Trap 7: 2♀♀ 27.vii.-10.viii., 1♀ 21.ix.-5.x., 1♀ 19.x.-3.xi.
D i s t r i b u t i o n: Previously known from France and Germany, new record for Georgia and the Caucasus region.
description: Published as part of Riedel, Pénigot, Schwarz, Diller, Johansson & Japoshvili, G., 2023, Darwin wasps (Hymenoptera, Ichneumonidae) of the Kintrishi National Park, Sakartvelo (Georgia), with descriptions of six new species, pp. 61-153 in Linzer biologische Beiträge 55 (1) on page 125, DOI: 10.5281/zenodo.10788481
An efficient Ag2SO4-deposited ZnO in photocatalytic removal of indigo carmine and phenol under outdoor light irradiation
Creators: name: Hui-Sun Choo
name: Sze-Mun Lam
name: Jin-Chung Sin
name: Mohamed, Abdul Rahman
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Plasma Physics

description: Silver sulfate (Ag2SO4) was successfully deposited on ZnO via a simple impregnation method. The as-synthesized sample was characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, fourier transform infrared spectroscopy, and UV–vis diffuse reflectance spectroscopy. The photocatalytic activities of pure ZnO and 10 wt% Ag2SO4/ZnO were evaluated for the removal of indigo carmine and phenol under outdoor light irradiation. The results showed that the photocatalytic activity of Ag2SO4/ZnO was higher than those of pure ZnO and commercial TiO2 for both pollutants removal. Identification of intermediate products and radical scavengers test were also carried out. The effects of process variables such as initial pollutants concentration and solution pH toward the photocatalytic degradation efficiency were also investigated. The optimum initial pollutants concentration was found to be 10 mg/L for both pollutants. The photo removal of indigo carmine was favorable at pH 7 while in the case of phenol, maximum degradation rate was observed at pH 5. The excellent photocatalytic property of Ag2SO4-deposited ZnO suggested its potential usage for practical applications in wastewater remediation.
Hydrodynamic boundary conditions and dynamic forces between bubbles and surfaces
Creators: name: Manor, Ofer
name: Vakarelski, Ivan U.
name: Tang, Xiaosong
name: O'Shea, Sean J.
name: Stevens, Geoffrey W.
name: Grieser, Franz
name: Dagastine, Raymond R.
name: Chan, Derek
Publisher: name: Swinburne
Year: 2024

description: Dynamic forces between a 50  μm radius bubble driven towards and from a mica plate using an atomic force microscope in electrolyte and in surfactant exhibit different hydrodynamic boundary conditions at the bubble surface. In added surfactant, the forces are consistent with the no-slip boundary condition at the mica and bubble surfaces. With no surfactant, a new boundary condition that accounts for the transport of trace surface impurities explains variations of dynamic forces at different speeds and provides a direct connection between dynamic forces and surface transport effects at the air-water interface.
Extraction of Zinc, Copper, and Lead Ions with a Zeolite Loaded by a Multidentate Schiff Base Ligand Followed by Flame Atomic Absorption Spectrometric Analysis
Creators: name: Mahdeyeh Sheikhshoaie
name: Tayebeh Shamspur
name: S. Zia Mohammadi
name: Saheb, Vahid
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Plant Biology
subject: FOS: Biological sciences
subject: Biological Sciences
subject: Chemistry
subject: Earth and Environmental Sciences
subject: Pharmacology
subject: Physics
subject: Biochemistry
subject: Biophysics

description: A multi-element preconcentration–separation technique for metal ions is established. The procedure is based on complex formation of metal ions with Bis(2-hydroxy-1-naphtaldimine)-N-diethylentriamine (BHNDT) on nanoporous Analcime as sorbent followed by their determination using flame atomic absorption spectrometry. The effects of analytical parameters like pH, flow rates, eluent types, and sorption capacity on the recoveries of metal ions are investigated. In order to predict the extraction ability of BHNDT for different metallic ions, DFT method is used to compute the binding energies of the cations to the title Schiff base compound. The calculated binding energies are in good agreement with the observed extraction power of the Shiff-base ligand.
Semi-analytical mean-field model for predicting breathing in metal–organic frameworks
Creators: name: L. Vanduyfhuys
name: A. Ghysels
name: S.M.J. Rogge
name: R. Demuynck
name: V. Van Speybroeck
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Hematology
subject: Biological Sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Chemistry
subject: Evolutionary Biology
subject: Biotechnology
subject: Cell Biology
subject: Biophysics

description: A new semi-analytical mean-field model is proposed to rationalise breathing of MIL-53 type materials. The model is applied on two case studies, the guest-induced breathing of MIL-53(Cr) with CO2 and CH4, and the phase transformations for MIL-53(Al) upon xenon adsorption. Experimentally, MIL-53(Cr) breathes upon CO2 adsorption, which was not observed for CH4. This result could be ascribed to the stronger interaction of carbon dioxide with the host matrix. For MIL-53(Al) a phase transition from the large pore phase could be enforced to an intermediate phase with volumes of about 1160–1300 Å3, which corresponds well to the phase observed experimentally upon xenon adsorption. Our thermodynamic model correlates nicely with the adsorption pressure model proposed by Coudert et al. Furthermore the model can predict breathing behaviour of other flexible materials, if the user can determine the free energy of the empty host, the interaction energy between a guest molecule and the host matrix and the pore volume accessible to the guest molecules. This will allow to generate the osmotic potential from which the equilibria can be deduced and the anticipated experimentally observed phase may be predicted.
The Party. The Misfits
Creators: name: Toledo, Michel
Publisher: name: Zenodo
Year: 2011

description: This essay analyzes The Party (1968), directed by Blake Edwards, through the lens of classic comedy and its evolution in American cinema. It argues that the film is a satire of Hollywood society, structured around the character of Hrundi V. Bakshi, played by Peter Sellers. Drawing on the legacy of Chaplin and Jacques Tati, the film offers a social critique where misfits confront a hostile environment through mistakes, awkwardness, and misunderstandings. The essay explores how error becomes a narrative device, exposing the tension between appearance and authenticity in a society shaped by exclusion and spectacle.
Four cytotoxic annonaceous acetogenins from the seeds of Annona squamosa
Creators: name: Y. Miao
name: X. Xu
name: F. Yuan
name: Y. Shi
name: Y. Chen
name: J. Chen
name: X. Li
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer
subject: Inorganic Chemistry

description: Four new annonaceous acetogenins (ACGs), squamocin-I (1), II (2) and III (3) and squamoxinone-D (4), together with seven known ACGs (5–11), were isolated from the seeds of Annona squamosa. The structures of all isolates were elucidated and characterised by spectral and chemical methods. Compounds 1–4 were evaluated for their cytotoxicities against Hep G2, SMMC 7721, BEL 7402, BGC 803 and H460 human cancer cell lines. Compound 1 exhibited better potent activity than the positive compound and compound 3 shows selectively cytotoxical activity against H460 with IC50 values of 0.0492 μg/ml.
Influence of force fields on the selective diffusion of para-xylene over ortho-xylene in 10-ring zeolites
Creators: name: Toda, Jordi
name: Corma, Avelino
name: Abudawoud, Raed H.
name: Elanany, Mohamed S.
name: Al-Zahrani, Ibrahim M.
name: Sastre, German
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Science Policy
subject: Chemistry
subject: Earth and Environmental Sciences
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Biotechnology
subject: Physics
subject: Biophysics

description: A molecular dynamics study of diffusion of p-xylene and o-xylene has been performed over three different pure silica 10-ring zeolites, MFI, SFG and TUN. The shape selective properties of the frameworks of these three materials have been tested using four different types of force fields commonly used based on united atom, rigid-ion and core-shell approximations. The performance of each force field is analysed in order to find which force fields can give sufficiently accurate estimations that allow to select appropriate zeolites for selective separation of para/ortho xylene. This performance was found to depend on the quality of the structural properties of the zeolite, in particular the size and shape of the 10 rings which act as bottlenecks for the diffusion. The computational results allow us to define some optimum characteristics for the selective diffusion of p-xylene.
Phygadeuon punctiventris THOMSON 1884
Creators: name: Riedel
name: Pénigot
name: Schwarz
name: Diller
name: Johansson
name: Japoshvili, G.
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Ichneumonidae
Phygadeuon
Phygadeuon punctiventris

description: Phygadeuon punctiventris THOMSON, 1884, det. SCHWARZ
M a t e r i a l e x a m i n e d: Trap 4: 1♀ 20.iv.-5.v.; trap 7: 1♀ 5-20.v., 1♀ 13-27.vii.; trap 12: 2♀♀ 5-20.v., 1♀ 20.v.-1.vi.
D i s t r i b u t i o n: Western Palaearctic, new record for Georgia and the Caucasus region.
description: Published as part of Riedel, Pénigot, Schwarz, Diller, Johansson & Japoshvili, G., 2023, Darwin wasps (Hymenoptera, Ichneumonidae) of the Kintrishi National Park, Sakartvelo (Georgia), with descriptions of six new species, pp. 61-153 in Linzer biologische Beiträge 55 (1) on page 125, DOI: 10.5281/zenodo.10788481
title: Christian Socialism as a Political Ideology
Creators: name: Williams, AA
Publisher: name: University of Liverpool Repository
Year: 2016

description: A study of Christian Socialism is valuable at a time in which Christianity has become, in the minds of many, intrinsically associated with right-wing politics and conservatism. In addition, recent publications on this topic have focused on history and biography rather than the details of what Christian Socialists actually believed. This thesis considers that topic under three main headings: (1) ‘The Basis of Christian Socialism’; (2) ‘The Route to Christian Socialism’; (3) ‘Christian Socialist Society’. Firstly, Christian Socialists based their socialism mainly on the Bible, church teaching and the sacraments, to a far greater extent than any other sources. Secondly, Christian Socialists called for a revolution but were committed to democratic methods, suggesting a synthesis between revolutionary and democratic socialism. In practice this can be sketched out as a three-stage process: first, persuading people of the deficiencies of capitalism and the need for socialism; second, the election of a Labour government / the persuasion of other politicians to adopt socialism; third, the establishment of socialism, brought about by a socialist government and population. Thirdly, Christian Socialists sought to create a society of co-operation and collectivism, equality, democracy and peace. Their vision of this society was for the most part highly utopian, due to the belief that the new society would be the Kingdom of God or Kingdom of Heaven on Earth. There are several criticisms of Christian Socialism which have been made, both from a Christian and from a socialist perspective, over, for example, the viability of the Christian Socialist methodology and the validity of the Christian Socialist use of Scripture and church teaching. It will be concluded that the concept at the core of Christian Socialism is brotherhood, based on the idea of the universal Fatherhood of God, and that other key concepts – co-operation, equality and democracy – are derived from this. In seeking co-operation, equality and democracy Christian Socialism is not necessarily distinct from other forms of socialism, but it is distinct in drawing upon Christian theology as a basis for these concepts as well as the language to describe a future socialist society.
Extraction of Zinc, Copper and Lead Ions with a Zeolite Loaded by a Multidentate Schiff Base Ligand Followed by Flame Atomic Absorption Spectrometric Analysis
Creators: name: Mahdeyeh Sheikhshoaie
name: Tayebeh Shamspur
name: S. Zia Mohammadi
name: Saheb, Vahid
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Plant Biology
subject: FOS: Biological sciences
subject: Biological Sciences
subject: Chemistry
subject: Earth and Environmental Sciences
subject: Pharmacology
subject: Physics
subject: Biochemistry
subject: Biophysics

description: A multi-element preconcentration–separation technique for metal ions is established. The procedure is based on complex formation of metal ions with Bis(2-hydroxy-1-naphtaldimine)-N-diethylentriamine (BHNDT) on nanoporous Analcime as sorbent followed by their determination using flame atomic absorption spectrometry. The effects of analytical parameters like pH, flow rates, eluent types and sorption capacity on the recoveries of metal ions are investigated. In order to predict the extraction ability of BHNDT for different metallic ions, DFT method is used to compute the binding energies of the cations to the title Schiff base compound. The calculated binding energies are in good agreement with the observed extraction power of the Shiff-base ligand.
New flavonoid and pentacyclic triterpene from Sesamum indicum leaves
Creators: name: Thanh, Le Nguyen
name: Nguyen Tien Dat
name: Nguyen Hai Dang
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Science Policy
subject: Biological Sciences
subject: Sociology
subject: FOS: Sociology
subject: Ecology
subject: FOS: Biological sciences
subject: Chemistry
subject: Earth and Environmental Sciences
subject: Biochemistry

description: Two new and one known compounds were isolated from the methanol extract of Sesamum indicum leaves. By means of spectroscopic methods, their structures were elucidated and identified to be 3-epibartogenic acid (1), kaempferol 3-O-[2-O-(trans-p-coumaroyl)-3-O-α-L-rhamnopyranosyl]-β-d-glucopyranoside (2) and epigallocatechin (3). Compound 1 and 3 strongly inhibited α-amylase with the IC50 values of 146.7 and 303.9 μM, respectively, in comparison with acarbose (IC50 124.0 μM).
Phygadeuon variabilis
Creators: name: Riedel
name: Pénigot
name: Schwarz
name: Diller
name: Johansson
name: Japoshvili, G.
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Ichneumonidae
Phygadeuon
Phygadeuon variabilis

description: Phygadeuon variabilis (GRAVENHORST, 1829), det. Schwarz
M a t e r i a l e x a m i n e d: Trap 2: 1♀ 20.iv.-5.v.; trap 7: 1♀ 13-27.vii.
D i s t r i b u t i o n: Transpalaearctic, knwon from Azerbaijan (JONAITIS & ALIEV 1983a), new record for Georgia.
description: Published as part of Riedel, Pénigot, Schwarz, Diller, Johansson & Japoshvili, G., 2023, Darwin wasps (Hymenoptera, Ichneumonidae) of the Kintrishi National Park, Sakartvelo (Georgia), with descriptions of six new species, pp. 61-153 in Linzer biologische Beiträge 55 (1) on page 125, DOI: 10.5281/zenodo.10788481
O'ZBEKISTONDA BANK MIJOZLARINING KREDITDAN SAMARALI FOYDALANISHI TAHLILI
Creators: name: Xayitova, Maftuna
Publisher: name: Zenodo
Year: 2024

description: Banklarning dastlabki sarmoyasi, kapitali darajasiga muhim masala sifatida e’tibor qaratiladi chunki, 2008-yildan boshlangan jahon moliyaviy iqtisodiy inqirozi bank tizimining barqarorligini ta’minlashda ularning kapitallashuv darajasini oshirib borish eng muhim iqtisodiy masalalardan biri ekanligini yana bir bor isbotladi. Tahlilimizda biz ning kapitallashuv darajasi, uning kredit samaradorligiga ta’siri va iste’molchi (mijozlarning) kreditdan samarali foydalanish ko’satkichlari O’zbekiston banklari misolida tahlil qilingan, va muammolarga muallif tomonidan yechim sifatida fkrlar ishlab chiqilgan. Bunda ATB “Agrobanki” va Buyuk Britaniyaning HSBC hоldings bаnkining kretit stаvkаlаri ma’lumotlaridan foydalanilgan.
title: Laser Induced Plasmas: A Light source for Biological Spectroscopy
Creators: name: Holman, J
Publisher: name: University of Liverpool Repository
Year: 2016

description: The work presented in this thesis investigates the viability using a laser induced plasmas as a high intensity, UV/VIS/IR benchtop light source for biological spectroscopic applications. It is well known that plasmas make excellent light sources due to their broadband emission throughout the UV/VIS/IR. A detailed account is given of the construction and testing of a prototype benchtop spectrometer that utilised a laser induced plasma as its light source. The parts to build this spectrometer had a total cost of £6480.49, a competitive price for an instrument capable of measuring absorbance/turbidity spectra in the wavelength range of 380 to 700 nm at a rate of up to 5 times a second and to a wavelength resolution of approximately 0.2 nm. The production of shorter wavelength is very possible using this technology but would require a much more expensive, higher repetition rate laser, which was beyond the scope of this project. A review of the physical factors influencing the emission of light from a plasma is first presented. Several noble gases were tested to optimise the intensity and short wavelength output of the plasma. The results showed that argon had the highest emission intensity light for reasonable cost. The prototype instrument can be run in two different modes, static mode and dynamic mode. In static mode, the spectrometer can determine the absorbance spectrum of samples that do not change over time such as coloured dyes. In dynamic mode that monitors the absorbance of samples whose absorbance/turbidity varies with time. The accuracy of the prototype plasma spectrometer was tested by determining the absorption spectrum of holmium oxide in perchloric acid, a standard solution often employed for spectrometer calibration and testing. The prototype spectrometer was then successfully employed to investigate the effect of heparin, in the presence of the cations Fe2+, Zn2+ and Cu2+, on the aggregation rate of the protein human lysozyme, over a range of pHs. The aggregation of lysozyme was an interesting system to monitor, as it has been proposed as a model for the formation of the fibrils found in amyloidal plaques.
title: Synthesis, Characterisation and Photocatalytic Application of Rhodium-doped Oxides upon Irradiation with Visible Light
Creators: name: Kiss, B
Publisher: name: University of Liverpool Repository
Year: 2016

description: As stated earlier in the title, the overall aim of the project has been to investigate “Synthesis, Characterisation and Photocatalytic Application of Rhodium-doped Oxides upon Irradiation with Visible Light”. The key considerations in photocatalyst design, assessment and challenges and energy requirements in application is reviewed in the Introduction chapter. In the Discussion chapters, first, a simple one-step strategy was employed to produce a high surface area, phase pure metal oxide that is active in UV light. Various structures have been produced as parent phases such as SrTiO3, BaTiO3 and Y2Ti2O7, and once the presence of phase pure material was confirmed, rhodium substitution was initiated by B site doping of structures by adding soluble Rh salts during phase formation. The idea of using rhodium was to provide active, new rhodium states within the band gap therefore induce e- and h+ transfer that will presumably facilitate photochemical reduction/oxidation reactions with a longer excited wavelength than 400 nm, visible light photons. The series of nanoparticulate SrTi1-xRhxO3 and BaTi1-xRhxO3 materials with x = 0; 0.01; 0.025; 0.050; 0.075 and 0.1 rhodium content have been fully characterised. The functionality of well-known SrTi1-xRhxO3 H2 generating p-type oxide was extended to be successfully applied in water remediation and disinfection with excellent performance in model Methyl Orange molecule degradation and reasonable efficiency in E. coli Gram-negative bacteria inactivation when exposed to visible light (λ > 420 mm). So far, of semiconductor oxides, nitrogen-doped titania in particular have demonstrated activity under visible light in all three functionalities mentioned above, making this new finding very encouraging in the application of SrTi0.95Rh0.05O3 compound. As the investigation of novel advanced materials is crucial in the field, following up on this, a novel stable visible-light-driven photocatalyst (λ ≥ 450 nm) for water oxidation is reported. Rhodium substitution into the pyrochlore Y2Ti2O7 is demonstrated by monitoring the Vegard’s law evolution of the unit-cell parameters with changing rhodium content, to a maximum content of 3% dopant. Substitution renders the solid solutions visible-light active. The overall rate of oxygen evolution is comparable to WO3 but with superior light-harvesting and surface-area-normalized turnover rates, making Y2Ti1.94Rh0.06O7 an excellent candidate for use in a Z-scheme water splitting system and photoanode.
Pygocryptus brevicornis
Creators: name: Riedel
name: Pénigot
name: Schwarz
name: Diller
name: Johansson
name: Japoshvili, G.
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Ichneumonidae
Pygocryptus
Pygocryptus brevicornis

description: Pygocryptus brevicornis (BRISCHKE, 1881), det. Schwarz
M a t e r i a l e x a m i n e d: Trap 4: 3♁♁ 20.iv.-5.v., 1♁ 1-15.vi.; trap 12: 1♁ 20.v.-1.vi.
D i s t r i b u t i o n: Western Palaearctic, new record for Georgia and the Caucasus region.
description: Published as part of Riedel, Pénigot, Schwarz, Diller, Johansson & Japoshvili, G., 2023, Darwin wasps (Hymenoptera, Ichneumonidae) of the Kintrishi National Park, Sakartvelo (Georgia), with descriptions of six new species, pp. 61-153 in Linzer biologische Beiträge 55 (1) on page 125, DOI: 10.5281/zenodo.10788481
Fairleigh Dickinson University's PublicMind Poll: March 2020 Coronavirus
Creators: name: Fairleigh Dickinson University's PublicMind
Publisher: name: Roper Center for Public Opinion Research
Year: 2020

description: Availability of prescription drugs (6); coronavirus vaccine (1); get tested for coronavirus at pharmacy if doctor not available (1); Trump job performance in directing federal government response to coronavirus (1); coronavirus real threat or hyped by the media (1): ways coronavirus can be transmitted to humans (4); ways to minimize coronavirus infection risk (5); activities avoided as result of coronavirus (8); President Donald Trump favorability (1); health insurance (3); registered to vote (1).