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  • 1
    Electronic Resource
    Electronic Resource
    The association of smoking and acne in men in Hong Kong and in India: a retrospective case--control study in primary care settings (2004)
    Oxford, UK : Blackwell Science Ltd
    Clinical and experimental dermatology 29 (2004), S. 0 
    Details
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Previous studies on the association of smoking with acne vulgaris have reported conflicting results. The objective of this study was to investigate such an association. Our setting was three primary care practices in Hong Kong and one primary care practice in India. Patient characteristics in all four practices are similar. All medical records in these practices incorporate a section in which the smoking habits of each patient is routinely documented. We searched our database and retrieved 632 records of patients with acne seen in the previous 5 years. We also retrieved 632 records of age- and sex-matched controls. Fifty-three out of 379 male patients with acne and 25 out of 379 male controls were smokers (P = 0.001; OR, 2.3; 95% CI, 1.4–3.8). Six out of 253 female patients with acne and three out of 253 female controls were smokers (OR, 2.0; 95% CI, 0.5–9.4). We conclude that smoking is likely to bear a positive correlation with acne for men. Our numbers are too small for a definite conclusion to be drawn for females.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2230.2004.01646.x
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  • 2
    Electronic Resource
    Electronic Resource
    Kinetic roughening and smoothing of the crystalline–amorphous interface during solid phase epitaxial crystallization of GeSi alloy layers (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 2677-2679 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The morphology of the crystalline–amorphous interface is studied during solid-phase epitaxial crystallization of amorphous GeSi alloy layers with depth-dependent Ge distributions. The interface is shown to undergo an initial strain-induced roughening transition when the Ge concentration exceeds 6.6 at. %. As crystallization continues in strain-relaxed material the interface is shown to further roughen or smooth in response to changes in the Ge distribution. This evolution of the interface morphology is shown to be a consequence of kinetic effects whereby the differential velocity between the leading and trailing edges of the rough interface increases in regions of increasing Ge concentration and decreases in regions of decreasing Ge concentration. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.117675
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  • 3
    Electronic Resource
    Electronic Resource
    Kinetics of nitric oxide reduction with ammonia on "chemical mixed" and impregnated vanadium(V) oxide-titanium(IV) oxide catalysts (1984)
    s.l. : American Chemical Society
    Industrial and engineering chemistry 23 (1984), S. 564-568 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/i300016a010
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  • 4
    Electronic Resource
    Electronic Resource
    A Field Survey of Watermark Disease of Cricket Bat Willow in Essex and Observations on Some of the Probable Sources of the Disease (1974)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 23 (1974), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The geographical distribution of trees of cricket bat willow (Salix alba var. caerulea) showing watermark symptoms of infection by Erwinia salicis (Day) Chester during 1955 to 1972 is recorded. In an attempt to control the disease by eradication, 23,172 trees were destroyed in this 18-year period, as were 911 mother trees (stools) producing propagating material. During an intensive survey in 1972, 301 trees and seven stools were found to be infected out of an estimated total crop of 400,000 trees. In that year, agglutination tests and culturing sap were used in addition to the examination of trees with symptoms other than watermarking in the wood. The field observations, together with some experimental inoculations, indicate that the main sources of the disease in the field each year probably are (1), the nearby stumps of felled diseased trees and (2) infected propagating material.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1974.tb01814.x
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  • 5
    Electronic Resource
    Electronic Resource
    Infection of Cricket Bat Willow (Salix alba var. caerulea) Sm. by Erwinia salicis (Day) Chester detected in the Field by the Use of a Specific Antiserum (1973)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 22 (1973), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The use of a slide agglutination test on squeezed-out sap of cultivated cricket bat willow trees allowed rapid diagnosis of infection by Erwinia salicis in the field. By this means, infection of “classically” diseased willow trees with both red leaf and wood staining was confirmed. Trees with either red leaf or wood stain, but not both symptoms, were also shown to be infected. Symptomless infection of cricket bat willow trees was detected. E. salicis was viable in the stumps of trees felled five years previously. Some of these stumps were in an advanced state of decay and some were producing symptomless leafy shoots. Trees dying with severe die-back symptoms and infected with Armil- laria mellea, were shown to be infected with E. salicis. Salix caprea and S. vitellina, two wild species of willow, were also shown to be infected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1973.tb01781.x
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  • 6
    Electronic Resource
    Electronic Resource
    Upgrading the Activated-Sludge Process for Total Nitrogen Removal in Hong Kong (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 9 (1995), S. 0 
    Details
    ISSN: 1747-6593
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: In order to protect the sensitive waters in Tolo harbour (Hong Kong), Sha Tin and Tai Po sewage-treatment works were first designed to remove 70% of the nitrogen load from the sewage. Since then, due to continuing serious eutrophication problems in the harbour, both plants have been modified to increase the removal efficiency to 90%.The modifications were based on the Bardenpho process. However, the designers of the two plants adopted different approaches to process intensity, complexity and control of bacterial foam. At Sha Tin, the average monthly results have shown an increase of total nitrogen removal from 60–70% to about 80% since its completion. The addition of methanol was found to be ineffective on further enhancement of the denitrification rate due to difficulties in the apportioning of the second anoxic zone. The overall monthly results for Tai Po have also shown an increase in the removal rate to about 80%, even though 90% was achieved for a short period of time. The major problem encountered at the latter plant was that the process design did not provide an effective control on bacterial foaming, which had affected the smooth operation of the process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1747-6593.1995.tb00929.x
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  • 7
    Electronic Resource
    Electronic Resource
    Degeneration of noradrenergic nerve terminals in submucous ganglia of the rat duodenum following treatment with 6-hydroxydopamine (1974)
    Springer
    Cellular and molecular life sciences 30 (1974), S. 282-284 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Nachweis adrenerger Synapsen an Zellkörpern der duodenalen submukösen Ganglien von Ratten nach 6-Hydroxydopamin-Behandlung.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01934829
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  • 8
    Electronic Resource
    Electronic Resource
    An ultrastructural study of the synaptic glomeruli in the intermediolateral nucleus of the rat (1975)
    Springer
    Cellular and molecular life sciences 31 (1975), S. 201-203 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé On a constaté que le neuroptile du noyau intermédio-latéral du rat contient de nombreux glomérules synaptiques gliaux encapsulés dans lesquels se trouve habituellement un dentrite ou axe terminal très visible surmonté par de petits boutons et des dentrites. Les glomérules sont accompagnés de synapses axo-axonaux qui peuvent être le corrolaire structural d'une inhibition présynaptique. La signification fonctionnelle des glomérules et des synapses axo-axonaux est discutée.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01990706
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  • 9
    Electronic Resource
    Electronic Resource
    Synaptic junctions between sympathetic axon terminals and pinealocytes in the monkey Macaca fascicularis (1990)
    Springer
    Anatomy and embryology 182 (1990), S. 21-27 
    Details
    ISSN: 1432-0568
    Keywords: Monkey ; Bilateral superior cervical ganglionectomy ; Axon terminals ; Pinealocytes ; Synapses
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The distribution of axon terminals in the pineal gland of monkeys was studied by electron microscopy. Numerous terminals bearing small pleomorphic agranular and dense-cored vesicles were localized in the perivascular space and among the pinealocytes in the parenchyma in normal monkeys. Following bilateral superior cervical ganglionectomy, they underwent degenerative changes, including the accumulation of glycogen masses, appearance of dense residual bodies and the displacement of synaptic vesicles. Some of these degenerating terminals showed synaptic contacts with the cell bodies of pinealocytes. At the synaptic junction the postsynaptic membrane was thickened asymmetrically. Examples of synaptic contacts were most frequently observed in 5 and 7 days postoperative animals. In the longer surviving (30 days) monkey, most of the axon terminals showed round agranular vesicles, and they were mainly presynaptic to the intrapineal ganglion cells with some of the pinealocytes. They remained structurally unchanged following the resection of both the superior cervical ganglia. A few axon terminals containing small dense-cored vesicles appeared to have survived the initial insult, but some of their vesicles appeared swollen 30 days after the operation. It is concluded from this study that some of the pinealocytes are under the influence by the postganglionic neurons in the superior cervical ganglia through direct synaptic contacts. The intrapineal ganglion cells are postsynaptic to fibres originating exclusively from the central nervous system. Some of these fibres, however, may be presynaptic directly to pinealocytes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00187524
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  • 10
    Electronic Resource
    Electronic Resource
    Effects of vagotomy on the ultrastructure of the atrial myocardium in the monkey (Macaca fascicularis) (1987)
    Springer
    Anatomy and embryology 177 (1987), S. 147-152 
    Details
    ISSN: 1432-0568
    Keywords: Atrial myocardium ; Vagotomy ; Monkey ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The ultrastructure of the atrial myocardium in the monkey (Macaca fascicularis) was studied after bilateral cervical vagotomy and survival times of 1, 3, 5, 7, 10, 21 and 28 days. During the first week after vagotomy, a few atrial cells showed a reduction in the sarcoplasm, crowding of the myofibrils, peripheral dispersion and reduced intercristal density of the mitochondria and increased sarcoplasmic reticulum and glycogen particles. In some profiles, there was increased electron density and granularity at the I bands and the intercalated discs. The number of such affected cells increased in the subsequent days such that by 21 to 28 days about 50% of the cells were estimated to be affected. During the latter stages further changes included, the degradation of the myofilaments and increased electron density, disorganisation and disintegration of the digital extensions at the intercalated discs. Throughout the experiments there was a leucocytic infiltration, more evident in the longer survival times.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00572539
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