16 results on '"von Maltzahn N"'
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2. The Royal Image: Representations of Charles I
- Author
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von Maltzahn, N.
- Subjects
The Royal Image: Representations of Charles I (Book) -- Book reviews ,Books -- Book reviews ,Languages and linguistics ,Literature/writing - Published
- 2002
3. Visitation Unimplor'd: Milton and the Authorship of 'De Doctrina Christiana'
- Author
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Von Maltzahn, N.
- Subjects
Visitation Unimplor'd: Milton and the Authorship of 'De Doctrina Christiana' (Book) -- Book reviews ,Books -- Book reviews ,Languages and linguistics ,Literature/writing - Published
- 2000
4. Milton's History of Britain in its historical context
- Author
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Von Maltzahn, N and Von Maltzahn, Nicholas
- Subjects
History ,17th century ,Knowledge ,1642-1660 ,Britons ,Republicanism ,Great Britain ,Historiography ,Anglo-Saxons ,To 1066 ,Politics and government - Abstract
The prologue studies the Tory publication of Milton's Character of the Long Parliament (1681). It argues that the provenance of this tract is best explained if Milton did in fact attempt to include the Digression in his History of Britain. Further ambiguities in Milton's early reputation are discussed in a review of the History's reception. Chapter I surveys Milton's response to the long standing demand for a national history and briefly reconsiders his ideas on history and historiography. Chapter II proposes that his political sympathies led Milton to look to the British legends for his historical subject. The strong Protestant and Tudor associations of such native myth have been largely overlooked, and yet they bear strongly on Milton's proposals for a British historical poem. His reappraisal of the myths in the History indicates his disillusionment with his original historical project: and reflects his changing opinion of the national character. Chapter III charts Milton's response to the legends surrounding Lucius, Constantine and the early British church, and traces conflicts between his need to deny church history and his desire to rewrite it. It then turns to his curiously muted views on the Saxon church. Chapter IV compares the use of Gildas's De Excidio in the History with Milton's relative silence on Arthur. Milton's regard for this ancient British jeremiad recalls that of the Reformers and suggests the instability of his commitment to purely classical styles of historiography in his time. Chapter V surveys the conflicting ideological and religious pressures on the history of the Saxons and the Conquest and compares Milton's shifting response to these in his political tracts with his views in the History. The Epilogue returns to Milton's view of the national character, with special reference to the Digression. Presenting his references to climate theory in a wider context, it argues that in moving from a loosely predestinarian position to a belief in free will, Milton first sought some determining natural force to explain England's conduct through the ages.
- Published
- 2016
5. Review: The Royal Image: Representations of Charles I
- Author
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Von Maltzahn, N., primary
- Published
- 2002
- Full Text
- View/download PDF
6. Poetry and the Realm of Politics: Shakespeare to Dryden Howard Erskine-Hill
- Author
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Von Maltzahn, N.
- Published
- 1999
7. THE FIRST RECEPTION OF PARADISE LOST (1667)
- Author
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VON MALTZAHN, N., primary
- Published
- 1996
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- View/download PDF
8. REVIEWS.
- Author
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Von Maltzahn, N.
- Subjects
- VISITATION Unimplor'd (Book)
- Abstract
Reviews the book `Visitation Unimplor'd: Milton and the Authorship of De Doctrina Christiana,' by William B. Hunter.
- Published
- 2000
- Full Text
- View/download PDF
9. Reviews.
- Author
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von Maltzahn, N.
- Subjects
- POETRY & the Realm of Politics (Book)
- Abstract
Reviews the book `Poetry and the Realm of Politics: Shakespeare to Dryden,' by Howard Erskine-Hill.
- Published
- 1999
- Full Text
- View/download PDF
10. Revolutionizing CAD/CAM-based restorative dental processes and materials with artificial intelligence: a concise narrative review.
- Author
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Yeslam HE, Freifrau von Maltzahn N, and Nassar HM
- Subjects
- Humans, Dental Restoration, Permanent methods, Dental Prosthesis Design methods, Computer-Aided Design, Artificial Intelligence, Dental Materials
- Abstract
Artificial intelligence (AI) is increasingly prevalent in biomedical and industrial development, capturing the interest of dental professionals and patients. Its potential to improve the accuracy and speed of dental procedures is set to revolutionize dental care. The use of AI in computer-aided design/computer-aided manufacturing (CAD/CAM) within the restorative dental and material science fields offers numerous benefits, providing a new dimension to these practices. This study aims to provide a concise overview of the implementation of AI-powered technologies in CAD/CAM restorative dental procedures and materials. A comprehensive literature search was conducted using keywords from 2000 to 2023 to obtain pertinent information. This method was implemented to guarantee a thorough investigation of the subject matter. Keywords included; "Artificial Intelligence", "Machine Learning", "Neural Networks", "Virtual Reality", "Digital Dentistry", "CAD/CAM", and "Restorative Dentistry". Artificial intelligence in digital restorative dentistry has proven to be highly beneficial in various dental CAD/CAM applications. It helps in automating and incorporating esthetic factors, occlusal schemes, and previous practitioners' CAD choices in fabricating dental restorations. AI can also predict the debonding risk of CAD/CAM restorations and the compositional effects on the mechanical properties of its materials. Continuous enhancements are being made to overcome its limitations and open new possibilities for future developments in this field., Competing Interests: The authors declare that they have no competing interests., (© 2024 Yeslam et al.)
- Published
- 2024
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11. Participating in a School-Integrated Daily Exercise Program Improves Motor Performance Significantly in School-Children.
- Author
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Homeyer D, Memaran N, Kück M, Grams L, von der Born J, Bauer E, Schwalba M, Kerling A, von Maltzahn N, Albrecht A, Haverich A, Stiesch M, Melk A, and Tegtbur U
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- Male, Female, Humans, Child, Longitudinal Studies, Exercise Test, Exercise Therapy, Motor Skills, Exercise, Physical Fitness
- Abstract
Children's sedentary time has increased, while daily physical activity and motor performance have decreased. We evaluated an integrated school-based exercise program by assessing changes in motor skills after one year and comparing these changes to children who did not participate. We included 303 children from five schools in this longitudinal study and assigned them either to the exercise group (EG; n = 183 with daily exercise program) or the waiting group (WG; n = 120). Motor skills were assessed at baseline and after one year. Mixed modeling was used to analyze inter-group differences of change in motor skills and to determine the effect of sex, age group, and weight status. EG improved more strongly than WG for sprint, side jumps (both p = 0.017), stand and reach ( p = 0.012), and ergometry ( p ≤ 0.001) when compared to WG. Girls improved more strongly in the sit-ups than boys, second graders more than fifth graders in the backwards balance and the ergometry, and non-overweight children more in the standing long jump than overweight children. The exercise program is effective in increasing motor skills and physical fitness. Girls were not disadvantaged, and overweight children profited as much as their non-overweight peers in all categories but one.
- Published
- 2023
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12. Infection control strategies for healthcare workers during COVID-19 pandemic in German hospitals: A cross-sectional study in march-april 2021.
- Author
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Mardiko AA, Bludau A, Heinemann S, Kaba HEJ, Fenz D, Leha A, von Maltzahn N, Mutters NT, Leistner R, Mattner F, and Scheithauer S
- Abstract
Background: Healthcare workers (HCW) are at risk of getting infected with COVID-19 at work. To prevent such incidents and provide a safe environment in hospitals, comprehensive infection control strategies are necessary. We aimed to collect information on COVID-19 infection control strategies regarding personal protective equipment (PPE), regulations during breaks for HCW and dissemination of pandemic-related information., Methods: We invited infection control practitioners from 987 randomly selected German hospitals in March-April 2021 to participate in our cross-sectional online survey. We categorized the hospital based on bed capacity (≤499 beds = small; ≥500 beds = large). Fisher's exact test was performed and p < 0.05 defined as statistically significant., Findings: 100 participants completed the questionnaire. Small hospitals were more directive about requiring FFP2 respirators (63%), whereas larger hospitals more often gave their HCW a choice between these and medical masks (67%). For the care of COVID-19 and suspected COVID-19 cases, >90% of the participants recommended the use of gloves. Notably, gloves were recommended beyond COVID-19 in 30% of the hospitals. During meal breaks various strategies were followed., Conclusion: Recommendations for PPE varied across hospital sizes, which could be due to different assessments of necessity and safety. Regulations during breaks varied strongly which illustrates the need for clear official guidelines., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2023 Published by Elsevier Ltd.)
- Published
- 2023
- Full Text
- View/download PDF
13. In vitro evaluation of the influence of titanium nitride coating on the retention force between components of two-part abutments.
- Author
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Freifrau von Maltzahn N, Holstermann J, Stiesch M, and Kohorst P
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- Dental Stress Analysis, Esthetics, Dental, Humans, Materials Testing, Resin Cements, Surface Properties, Dental Abutments, Titanium
- Abstract
Background: Two-part abutments are typically made up of a base composed of titanium and a ceramic build-up. The long-term outcomes are affected by the mechanical durability. The purpose of the present investigation was to evaluate and compare the retention force of two-part abutment systems with titanium or titanium nitride bases-as fixed with zirconia components and with various surface treatments., Methods: A total of 60 two-part abutments were investigated-with a titanium base (n = 30) or titanium nitride coated bases (n = 30) and bonded with zirconia ceramic build-ups. The bonding surfaces were treated with aluminium oxide blasting, with an average particle size of 110 µm. The titanium bases were then pretreated with Alloy Primer or Clearfil Ceramic Primer. The ceramic build-ups were only treated with Clearfil Ceramic Primer. For twenty test specimens, no chemical pretreatment was performed. Test specimens were classified into six groups in accordance with the pretreatment (A-F; n = 10). A resin-based luting agent was employed to attach the two parts. Specimens were then subjected to artificial thermal aging (10
4 cycles with 5 °C/55 °C). The retention force between the two parts was then investigated with a pull-off test. The findings were analyzed by ANOVA statistics. Fracture patterns were examined by electron microscopy., Results: In the absence of primer, titanium nitride coated bases gave significantly greater retention forces than other samples (p < 0.05). Chemical preconditioning with silane coupling agents did not effect on the retention force of coated bases., Conclusions: The results of the current study suggested that modifying metal surfaces by coating the base with titanium nitride not only has esthetic and biological advantages, but also enhances the mechanical properties of the adhesive bond of two-part abutments.- Published
- 2021
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14. Fitting accuracy of ceramic veneered Co-Cr crowns produced by different manufacturing processes.
- Author
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Freifrau von Maltzahn N, Bernhard F, and Kohorst P
- Abstract
Purpose: The purpose of this in vitro study was to evaluate the fitting accuracy of single crowns made from a novel presintered Co-Cr alloy prepared with a computer-aided design and computer-aided manufacturing (CAD/CAM) technique, as compared with crowns manufactured by other digital and the conventional casting technique. Additionally, the influence of oxide layer on the fitting accuracy of specimens was tested., Materials and Methods: A total of 40 test specimens made from Co-Cr alloy were investigated according to the fitting accuracy using a replica technique. Four different methods processing different materials were used for the manufacture of the crown copings (milling of presintered (Ceramill Sintron-group_cer_sin) or rigid alloy (Tizian NEM-group_ti_nem), selective laser melting (Ceramill NPL-group_cer_npl), and casting (Girobond NB-group_gir_nb)). The specimens were adapted to a resin model and the outer surfaces were airborne-particle abraded with aluminum oxide. After the veneering process, the fitting accuracy (absolute marginal discrepancy and internal gap) was evaluated by the replica technique in 2 steps, before removing the oxide layer from the intaglio surface of the crowns, and after removing the layer with aluminum oxide airborne-particle abrasion. Statistical analysis was performed by multifactorial analysis of variance (ANOVA) (α=.05)., Results: Mean absolute marginal discrepancy ranged between 20 µm (group_cer_npl for specimens of Ceramill NPL) and 43 µm (group_cer_sin for crowns of Ceramill Sintron) with the oxide layer and between 19 µm and 28 µm without the oxide layer. The internal gap varied between 33 µm (group_ti_nem for test samples of Tizian NEM) and 75 µm (group_gir_nb for the base material Girobond NB) with the oxide layer and between 30 µm and 76 µm without the oxide layer. The absolute marginal discrepancy and the internal gap were significantly influenced by the fabrication method used ( P <.05)., Conclusion: Different manufacturing techniques had a significant influence on the fitting accuracy of single crowns made from Co-Cr alloys. However, all tested crowns showed a clinically acceptable absolute marginal discrepancy and internal gap with and without oxide layer and could be recommended under clinical considerations. Especially, the new system Ceramill Sintron showed acceptable values of fitting accuracy so it can be suggested in routine clinical work., (© 2020 The Korean Academy of Prosthodontics.)
- Published
- 2020
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15. Single dental implant retained mandibular complete dentures--influence of the loading protocol: study protocol for a randomized controlled trial.
- Author
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Passia N, Brezavšček M, Fritzer E, Kappel S, Kern T, Luthardt RG, Frfr von Maltzahn N, Mundt T, Rädel M, von Stein-Lausnitz A, and Kern M
- Subjects
- Aged, Aged, 80 and over, Clinical Protocols, Dental Implantation adverse effects, Dental Implantation methods, Dental Prosthesis Design, Dental Prosthesis, Implant-Supported, Dental Restoration Failure, Dental Stress Analysis, Female, Germany, Humans, Male, Middle Aged, Prospective Studies, Stress, Mechanical, Time Factors, Treatment Outcome, Dental Implantation instrumentation, Denture, Overlay, Jaw, Edentulous surgery, Mandible surgery, Research Design
- Abstract
Background: Over the years, there has been a strong consensus in dentistry that at least two implants are required to retain a complete mandibular denture. It has been shown in several clinical trials that one single median implant can retain a mandibular overdenture sufficiently well for up to 5 years without implant failures, when delayed loading was used. However, other trials have reported conflicting results with in part considerable failure rates when immediate loading was applied. Therefore it is the purpose of the current randomized clinical trial to test the hypothesis that immediate loading of a single mandibular midline implant with an overdenture will result in a comparable clinical outcome as using the standard protocol of delayed loading., Methods/design: This prospective nine-center randomized controlled clinical trial is still ongoing. The final patient will complete the trial in 2016. In total, 180 edentulous patients between 60 and 89 years with sufficient complete dentures will receive one median implant in the edentulous mandible, which will retain the existing complete denture using a ball attachment. Loading of the median implant is either immediately after implant placement (experimental group) or delayed by 3 months of submerged healing at second-stage surgery (control group). Follow-up of patients will be performed for 24 months after implant loading. The primary outcome measure is non-inferiority of implant success rate of the experimental group compared to the control group. The secondary outcome measures encompass clinical, technical and subjective variables. The study was funded by the Deutsche Forschungsgemeinschaft (German research foundation, KE 477/8-1)., Discussion: This multi-center clinical trial will give information on the ability of a single median implant to retain a complete mandibular denture when immediately loaded. If viable, this treatment option will strongly improve everyday dental practice., Trial Registration: The trial has been registered at Deutsches Register Klinischer Studien (German register of clinical trials) under DRKS-ID: DRKS00003730 since 23 August 2012. (http://www.germanctr.de).
- Published
- 2014
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16. A DNA polymorphism specific to Candida albicans strains exceptionally successful as human pathogens.
- Author
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Giblin L, Edelmann A, Zhang N, von Maltzahn NB, Cleland SB, Sullivan PA, and Schmid J
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- Base Sequence, Candida albicans pathogenicity, Chromosomes, Fungal genetics, DNA, Fungal chemistry, Gene Dosage, Genotype, Molecular Sequence Data, Phylogeny, Polymorphism, Genetic, Sequence Alignment, Sequence Analysis, DNA, Sequence Homology, Nucleic Acid, Candida albicans genetics, DNA, Fungal genetics
- Abstract
A large proportion of infection-causing isolates of the yeast Candida albicans belong to a general-purpose genotype, identifiable by fingerprinting with the moderately repetitive sequence Ca3. The high prevalence of this group -- up to 70% in some patient categories -- suggests that its members possess genetic determinants, which enhance their success as pathogens compared to other strains. To find such determinants we are comparing the genomes of representatives of the general-purpose genotype cluster with the genomes of other strains. In this paper we describe the identification of a 985 bp HpaII fragment (MU13-4) specific to general-purpose genotype strains. The fragment was present in 90% of these strains, but only in 10% of other strains. The fragment did not hybridize with probe Ca3, used to define the general-purpose cluster. It contains elevated levels of repetitive DNA. Sequences homologous to MU13-4 are dispersed throughout the chromosomes of general-purpose strains but are rarer or absent in other strains, as judged by Southern hybridization. Using the Stanford C. albicans genome database, we have placed the MU13-4 fragment next to a CARE-1 element. We also found 79 significant homologies between parts of MU13-4 and 19 other contigs. Attempts to amplify the region surrounding the polymorphic fragment in non-general-purpose genotype strains suggest, as do the hybridization data, that the polymorphism is created by a deletion in non-cluster strains. These results show that it is possible to identify polymorphisms specific to general-purpose genotype strains. Primers against the fragment will allow PCR-based discrimination between general-purpose genotype strains and other strains, facilitating investigations aimed at determining morbidity and mortality caused by general-purpose genotype strains compared to other strains.
- Published
- 2001
- Full Text
- View/download PDF
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