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  • 1
    Online Resource
    Online Resource
    Antimicrobial Resistance : Global Challenges and Future Interventions (2020)
    Singapore :Springer Nature Singapore :
    Details
    Keywords: Pharmaceutical chemistry. ; Pharmacology. ; Medical microbiology. ; Industrial microbiology. ; Pharmaceutics. ; Pharmacology. ; Medical Microbiology. ; Industrial Microbiology.
    Description / Table of Contents: 1) The Evolution of Microbial Defense Systems against Antimicrobial Agents -- 2) Carbapenem Resistance in Gram-negative bacilli: Mechanisms and Challenges -- 3) Influence of Antimicrobials on the Gut Microbiota -- 4) Influence of Abiotic Factors in the Emergence of Antibiotic Resistance -- 5) Polluted Coastal and Estuarine Environments – A Potential Reservoir for AMR Determinants in Various Pathogenic Bacteria -- 6) AMR in Animal Health: Issues and One Health Solutions for LMICs -- 7) Antifungal Resistance: Current Concepts -- 8) 'Planetary Health’ Perspectives and Alternative Approaches to Tackle the AMR Challenge -- 9) Use of Bacterial Cell Wall Recycle Inhibitors to Combat AMR in Bacteria -- 10) Status quo of Omics Technologies in Analyzing the Genetic Mediators of Antimicrobial Resistance at Sub-MIC Concentrations.
    Abstract: Antimicrobial resistance is a major global public health problem. This book focuses on the clinical implications of multi-drug resistant pathogens; tracking AMR and its evolutionary significance; antifungal resistance; and current and alternative treatment strategies for AMR, including antivirulent, antibiofilm and antimicrobial resistance breakers, repurposing of drugs, and probiotic therapy. Advances in antimicrobial stewardship, antibiotic policies from a global perspective and their impacts are also discussed. The book also explores the use of omics approaches to gain insights into antibacterial resistance, and includes chapters on the potential benefits of a ‘One Health approach’ describing the environmental and zoonotic sources of resistant genes and their effects on the global resistance pool. .
    Type of Medium: Online Resource
    Pages: XIII, 230 p. 20 illus., 16 illus. in color. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9789811536588
    URL: https://doi.org/10.1007/978-981-15-3658-8
    DOI: 10.1007/978-981-15-3658-8
    DDC: 615.19
    Language: English
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    E-BOOKS (AWI ONLY)
  • 2
    Online Resource
    Online Resource
    Controlled Release of Pesticides for Sustainable Agriculture (2020)
    Cham :Springer International Publishing :
    Details
    Keywords: Sustainability. ; Agriculture. ; Polymers. ; Sustainability. ; Agriculture. ; Polymers.
    Description / Table of Contents: Conventional methods of pesticide application in agricultural field and fate of the pesticides in the environment and human health -- Methods for determination of pesticides and fate of pesticides in the fields -- Chemistry and toxicology behind insecticides and herbicides -- Controlled Release Pesticides as a route to Sustainable Crop production -- Manufacturing of slow- and controlled-release Pesticides -- Characteristics and types of slow/ controlled release of pesticides -- Advanced Controlled Nanopesticide Delivery Systems for Managing Insect Pests -- Polymer Formulations for Pesticide Release -- Molecularly Imprinted Sensors for Detecting Controlled Release of Pesticides -- Controlled Release Herbicides and Allelopathy as Sustainable Alternatives in Crop Production -- Controlled release of plant hormones for modifying crop yield.
    Abstract: This book presents an introduction to the concept and need of sustainable agriculture, the mechanisms of conventional and controlled release of pesticides, herbicides and plant hormones. It also contains the carriers which supply controlled release including polymers and nanoparticles. A full chapter is devoted to the theory and simulation aspects.
    Type of Medium: Online Resource
    Pages: VIII, 266 p. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9783030233969
    URL: https://doi.org/10.1007/978-3-030-23396-9
    DOI: 10.1007/978-3-030-23396-9
    DDC: 304.2
    Language: English
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  • 3
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    Table 2: Bacterial diversity in Ny-Ålesund, Spitzbergen (2013)
    PANGAEA
    In:  Supplement to: Sudha, A; Augustine, Nimmy; Thomas, Sabu (2013): Emergence of multi-drug resistant bacteria in the Arctic, 79°N. Journal of Cell and Life Sciences, 1(1), 1-5
    Details
    Publication Date: 2023-01-13
    Description: We describe the antibiotic resistance profiling of bacterial isolates collected from Ny-Alesund, Arctic, as part of the Indian Arctic Summer Expedition 2009. It was interesting to note that the bacterial isolates collected from the Arctic showed multidrug resistance. 32% of the isolates were found to be multi- drug resistant with several combinations of antibiotics. The 16S rRNA sequencing results shows a diverse group of bacteria belonging to Phyla Proteobacteria, Actinobacteria and Bacteriodetes and their relatedness was studied by phylogenetic analysis. While analysing the plasmid profiling, the most resistant two strains of Pseudomonas migulae showed multiple plasmids of varying sizes ~5.2-5.3 kb and ~9.5 kb. The extent and frequency of multidrug resistance in the polar bacteria deserves close monitoring and efforts to understand the various molecular mechanisms of drug resistance and control the spread of antibiotic resistance in polar environment is called for.
    Keywords: Accession number; Accession number, link; Identity; NY-Al; Ny-Ålesund, Spitsbergen; Phylum; Species; Strain
    Type: Dataset
    Format: text/tab-separated-values, 78 data points
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    DATA PANGAEA
  • 4
    Electronic Resource
    Electronic Resource
    Tensile impact and flex fatigue failure of EPDM/XLPE blends (1988)
    Springer
    Journal of materials science 7 (1988), S. 557-559 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01730292
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  • 5
    Electronic Resource
    Electronic Resource
    Oil Palm Fibre Reinforced Phenol Formaldehyde Composites: Influence of Fibre Surface Modifications on the Mechanical Performance (2000)
    Springer
    Applied composite materials 7 (2000), S. 295-329 
    Details
    ISSN: 1573-4897
    Keywords: composites ; oil palm fibre ; phenol formaldehyde ; chemical modifications ; interface properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Oil palm fibres have been used as reinforcement in phenol formaldehyde resin. In order to improve the interfacial properties, the fibres were subjected to different chemical modifications such as mercerisation, acrylonitrile grafting, acrylation, latex coating, permanganate treatment, acetylation, and peroxide treatment. The effect of fibre coating on the interface properties has also been investigated. Morphological and structural changes of the fibres were investigated using scanning electron microscopy and IR spectroscopy. Mechanical properties of untreated and treated fibres were studied. Changes in stress–strain characteristics, tensile strength, tensile modulus and elongation at break of the fibres upon various modifications were studied and compared. The incorporation of the modified fibres resulted in composites having excellent impact resistance. Fibre coating enhanced the impact strength of untreated composite by a factor of four. Tensile and flexural performance of the composites were also investigated. Finally, inorder to have an insight into the failure behaviour, the tensile and impact fracture surfaces of the composites were analysed using scanning electron microscope.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1026534006291
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  • 6
    Electronic Resource
    Electronic Resource
    Interfacial activity of natural rubber-g-poly(methyl methacrylate) in incompatible natural rubber/poly(methyl methacrylate) blends (1993)
    Springer
    Polymer bulletin 31 (1993), S. 623-628 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary Blend of natural rubber and poly(methyl methacrylate) (NR/PMMA) has been made compatible by the addition of graft copolymer of natural rubber and poly (methyl methacrylate) (NR-g-PMMA). The interfacial activity of the graft copolymer is studied as a function of concentration of the graft copolymer by following the morphology of the blend using optical and scanning electron microscopies. Domain size of the dispersed phase is decreased sharply by the addition of small amount of copolymer followed by a levelling off at higher concentration. Improvements in mechanical properties is noted with the addition of graft copolymer. Attempts have been made to correlate the morphology and properties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00297901
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  • 7
    Electronic Resource
    Electronic Resource
    Tear and wear of thermoplastic elastomers from blends of poly(propylene) and ethylene vinyl acetate rubber (1987)
    Springer
    Journal of materials science 22 (1987), S. 3209-3216 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Tear and wear properties of thermoplastic elastomers from blends of poly(propylene) (PP) and ethylene vinyl acetate rubber have been studied with special reference to the effect of blend ratios and dynamic crosslinking of the rubber phase. Both tear and wear resistance of the composites were found to increase with increasing proportion of the PP phase. Dynamic crosslinking of the blends containing higher proportions of the rubber phase (〉 60%) increases the wear and tear properties, but blends containing higher proportions of the plastic phase show a decrease in properties due to the degradation of the PP phase. Attempts have been made to correlate the changes in properties with the morphology of system. In order to understand the mechanism of failure, the tear and wear fracture surfaces have been examined by scanning electron microscopy. The fractographs have been correlated with the strength and type of failure of these blends.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01161184
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  • 8
    Electronic Resource
    Electronic Resource
    Scanning electron microscopy studies on tensile, tear and abrasion failure of plasticized poly (vinyl chloride) and copolyester thermoplastic elastomers (1986)
    Springer
    Journal of materials science 21 (1986), S. 711-716 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Scanning electron microscopic observations on the tensile, tear and abrasion failure of plasticized poly (vinyl chloride) (PVC) and copdyester (Hytrel 40D) thermoplastic elastomers showed that the patterns developed on the fracture surfaces could be correlated with the strength and type of failure of these materials. Hytrel was found to undergo ductile failure whereas PVC showed shear fracture under tensile stress. The higher tear and abrasion resistances of Hytrel than those of PVC were also manifested by the difference in fracture patterns on the failure surfaces of these samples.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01145545
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  • 9
    Electronic Resource
    Electronic Resource
    Natural rubber/epoxidised natural rubber-25 blends: morphology, transport phenomena and mechanical properties (1999)
    Springer
    Journal of materials science 34 (1999), S. 3221-3239 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Blends of natural rubber (NR)/epoxidised natural rubber (ENR) were prepared and their morphology, transport behaviour and mechanical properties have been studied. Ebonite method was used to study the blend morphology. Transport behaviour of pentane, hexane, heptane and octane was studied in the temperature range 27–60 °C. Different transport parameters such as rate constant, diffusion and permeation coefficients, and sorption coefficient have been calculated. Temperature dependence of diffusion has been used to estimate the activation parameters. The improved performance of NR/ENR blends has been established from the mechanical studies of unswollen, swollen and deswollen samples.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004638024590
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  • 10
    Electronic Resource
    Electronic Resource
    Studies on morphology, mechanical properties and failure mode of blends of plasticized poly(vinyl chloride) and thermoplastic copolyester elastomer (1987)
    Brookfield, Conn. : Wiley-Blackwell
    Journal of Vinyl and Additive Technology 9 (1987), S. 71-85 
    Details
    ISSN: 0193-7197
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Morphology and mechanical properties of blends of plasticized poly(vinyl chloride) (PVC) and thermoplastic copolyester elastomer (Hytrel 40D) have been studied with special reference to the effect of blend ratios. Morphology of the blends indicates that the Hytrel phase is dispersed as domains in the continuous PVC phase up to 75 percent of its concentration. Dynamic mechanical analysis of the blends shows marginal level of compatibility between the two phases. The mechanical properties depend on the proportion of thermoplastic rubber in the blend. Attempts have been made to correlate the blend morphology with properties. Failure surfaces were examined by scanning electron microscope and it was found that the fractographs depend on the type of failure (tensile or tear) and on the blend composition.
    Additional Material: 30 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/vnl.730090209
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