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- Frantz, Laurent A. F., et al.
(författare)
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Ancient pigs reveal a near-complete genomic turnover following their introduction to Europe
- 2019
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Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - : Proceedings of the National Academy of Sciences. - 0027-8424 .- 1091-6490. ; 116:35, s. 17231-17238
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Tidskriftsartikel (refereegranskat)abstract
- Archaeological evidence indicates that pig domestication had begun by similar to 10,500 y before the present ( BP) in the Near East, and mitochondrial DNA ( mtDNA) suggests that pigs arrived in Europe alongside farmers similar to 8,500 y BP. A few thousand years after the introduction of Near Eastern pigs into Europe, however, their characteristic mtDNA signature disappeared and was replaced by haplotypes associated with European wild boars. This turnover could be accounted for by substantial gene flow from local European wild boars, although it is also possible that European wild boars were domesticated independently without any genetic contribution from the Near East. To test these hypotheses, we obtained mtDNA sequences from 2,099 modern and ancient pig samples and 63 nuclear ancient genomes from Near Eastern and European pigs. Our analyses revealed that European domestic pigs dating from 7,100 to 6,000 y BP possessed both Near Eastern and European nuclear ancestry, while later pigs possessed no more than 4% Near Eastern ancestry, indicating that gene flow from European wild boars resulted in a near-complete disappearance of Near East ancestry. In addition, we demonstrate that a variant at a locus encoding black coat color likely originated in the Near East and persisted in European pigs. Altogether, our results indicate that while pigs were not independently domesticated in Europe, the vast majority of human-mediated selection over the past 5,000 y focused on the genomic fraction derived from the European wild boars, and not on the fraction that was selected by early Neolithic farmers over the first 2,500 y of the domestication process.
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- Bergström, Anders, et al.
(författare)
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Grey wolf genomic history reveals a dual ancestry of dogs
- 2022
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Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 607:7918, s. 313-320
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Tidskriftsartikel (refereegranskat)abstract
- The grey wolf (Canis lupus) was the first species to give rise to a domestic population, and they remained widespread throughout the last Ice Age when many other large mammal species went extinct. Little is known, however, about the history and possible extinction of past wolf populations or when and where the wolf progenitors of the present-day dog lineage (Canis familiaris) lived. Here we analysed 72 ancient wolf genomes spanning the last 100,000 years from Europe, Siberia and North America. We found that wolf populations were highly connected throughout the Late Pleistocene, with levels of differentiation an order of magnitude lower than they are today. This population connectivity allowed us to detect natural selection across the time series, including rapid fixation of mutations in the gene IFT88 40,000–30,000 years ago. We show that dogs are overall more closely related to ancient wolves from eastern Eurasia than to those from western Eurasia, suggesting a domestication process in the east. However, we also found that dogs in the Near East and Africa derive up to half of their ancestry from a distinct population related to modern southwest Eurasian wolves, reflecting either an independent domestication process or admixture from local wolves. None of the analysed ancient wolf genomes is a direct match for either of these dog ancestries, meaning that the exact progenitor populations remain to be located.
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- Flink, Axel, et al.
(författare)
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Microstructural characterization of the tool-chip interface enabled by focused ion beam and analytical electron microscopy
- 2009
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Ingår i: WEAR. - : Elsevier BV. - 0043-1648. ; 266:11-12, s. 1237-1240
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Tidskriftsartikel (refereegranskat)abstract
- A method based on focused ion beam milling and analytical electron microscopy to investigate the nature of the tool-chip interface is presented. It is employed to study tool-chip interfaces of the rake face of a (Ti0.83Si0.17)N coated PCBN insert after turning of case-hardened steel. Analytical electron microscopy shows the presence of a smeared adhered layer on the coating, which consists of steel elements from the work-piece, oxygen, and Si and N, most likely originating from the coating.
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- Abreu-Mendes, Pedro, et al.
(författare)
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Myofascial Pelvic Pain : Best Orientation and Clinical Practice. Position of the European Association of Urology Guidelines Panel on Chronic Pelvic Pain
- 2023
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Ingår i: European Urology Focus. - : Elsevier. - 2405-4569. ; 9:1, s. 172-177
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Tidskriftsartikel (refereegranskat)abstract
- CONTEXT: Despite the high prevalence of a myofascial pain component in chronic pelvic pain (CPP) syndromes, awareness and management of this component are lacking among health care providers.OBJECTIVE: To summarize the current state of the art for the management of myofascial pain in chronic primary pelvic pain syndromes (CPPPS) according to scientific research and input from experts from the European Association of Urology (EAU) guidelines panel on CPP.EVIDENCE ACQUISITION: A narrative review was undertaken using three sources: (1) information in the EAU guidelines on CPP; (2) information retrieved from the literature on research published in the past 3 yr on myofascial pelvic pain; and (3) expert opinion from panel members.EVIDENCE SYNTHESIS: Studies confirm a high prevalence of a myofascial pain component in CPPPS. Examination of the pelvic floor muscles should follow published recommendations to standardize findings and disseminate the procedure. Treatment of pelvic floor muscle dysfunction and pain in the context of CPP was found to contribute to CPP control and is feasible via different physiotherapy techniques. A multidisciplinary approach is the most effective.CONCLUSIONS: Despite its high prevalence, the myofascial component of CPP has been underevaluated and undertreated to date. Myofascial pain must be assessed in all patients with CPPPS. Treatment of the myofascial pain component is relevant for global treatment success. Further studies are imperative to reinforce and better define the role of each physiotherapy technique in CPPPS.PATIENT SUMMARY: Pain and inflammation of the body's muscle and soft tissues (myofascial pain) frequently occurs in pelvic pain syndromes. Its presence must be evaluated to optimize management for each patient. If diagnosed, myofascial pain should be treated.
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- Bartels, Sara Laureen, et al.
(författare)
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Using Personas in the development of eHealth interventions for chronic pain : A scoping review and narrative synthesis
- 2023
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Ingår i: Internet Interventions. - : Elsevier. - 2214-7829. ; 32
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Forskningsöversikt (refereegranskat)abstract
- Objectives: Behavioral eHealth interventions can enhance self-management and improve well-being in people with chronic pain. The development of these interventions calls for a user-centered approach to ensure that patient needs are appreciated. However, it may be challenging to involve patients; particularly during the early stages of the process. Fictional user profiles, known as Personas, can represent needs and guide designing eHealth interventions. This article provides a comprehensive overview of the use of Personas in the development of behavioral eHealth interventions for people with chronic pain with the aim to identify benefits and challenges. Methods: Bibliographic databases (Medline, Web of Science Core Collection, PsycInfo, CINAHL) and registries (PubMed Central, medaRxiv) were systematically searched. In a double-reviewing process, n = 6830 hits and n = 351 full-texts were screened and read. Ten peer-reviewed studies published between 2017 and 2022 were included in the narrative synthesis. Findings: Ten studies reported using "Pain Personas" in the development of eHealth interventions for such purposes as to gain a shared understanding of the user and to discuss solutions in team meetings, or for patients to identify with (if Personas are included in the intervention). Personas were based on qualitative and/or quantitative data. However, the procedure for creating Personas was only described in half of the included studies (n = 5). These five studies provided descriptive details of the Personas (i.e., picture, name, narrative of their pain behavior, technological skills, and motivation). Conclusions: Although Personas have been used by pain researchers in recent projects and were highlighted as an important ingredient in the development process, available design guidelines for the creation and use of Personas are not followed or communicated transparently. Benefits and challenges when using Personas in the development of eHealth interventions for people with chronic pain are discussed to support future eHealth efforts and to improve the quality of eHealth innovation in the field of pain.
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| 26. |
- Ekholm, Elin, 1981-, et al.
(författare)
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Coping with provoked vestibulodynia in a relational context-A cluster analysis of coping patterns and their associations with relational cognitions and goals
- 2024
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Ingår i: European Journal of Pain. - : John Wiley & Sons. - 1090-3801 .- 1532-2149.
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Tidskriftsartikel (refereegranskat)abstract
- BackgroundProvoked vestibulodynia (PVD) is a common pain condition, negatively impacting the relationships and sexual lives of sufferers. Women's coping behaviour has been associated with psychosexual outcomes, yet coping patterns in clinical PVD samples are unexplored, and it is not known how women's coping relates to their relational context.MethodWomen (N = 128) with PVD answered questionnaires about psychosexual function, pain coping (avoidance and endurance), relational- and pain catastrophizing, sexual goals and perceived partner responses. Cluster analysis was used to explore coping patterns; clusters were validated on measures of pain and psychosexual function and compared on catastrophizing, sexual goals and partner responses using multivariate analyses of variance.ResultsThe analysis yielded four clusters: endurance; combined high avoidance and endurance; avoidance; and combined low. The group with high levels of both avoidance and endurance coping displayed the worst psychosexual outcomes and high levels of pain- and relational catastrophizing, approach and avoidance goals and perceived negative partner responses.ConclusionThere are distinct patterns of coping among women with PVD, and these coping patterns are associated with psychosexual outcomes and relational cognitions and goals, and perceived partner responses. Women who alternate between avoidance and endurance are more distressed and report worse psychosexual functioning. This pattern needs to be identified and addressed in the treatment of PVD.Significance StatementThis study extends previous findings on vulvar pain coping patterns to a clinical population of women with PVD. It is further the first study to address the relationship between relational variables, such as partner responses and relational catastrophizing and different coping patterns. Thus, the contribution of this study is the contextualizing of coping patterns among women with PVD. The results showed that a combined pattern of avoidance and endurance coping is associated with high distress, poor psychosexual outcomes, and indications of insufficient relational coping, highlighting the need for clinical assessment and intervention to target both women's individual coping patterns and their relational context.
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- Engman, Linnea, 1987-, et al.
(författare)
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An initial proof of concept : A replicated single-case study of a CBT group treatment with partner involvement for vulvodynia.
- 2022
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Ingår i: Cognitive Behaviour Therapy. - : Routledge. - 1650-6073 .- 1651-2316. ; 51:6, s. 503-519
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Tidskriftsartikel (refereegranskat)abstract
- Vulvodynia is common and has an immense impact on affected women and their partners. Psychological factors have been found to contribute to pain maintenance and exacerbation, and treatments addressing psychological factors have yielded positive results. This study employed a replicated single-case experimental design to examine a cognitive behavioral therapy (CBT) group treatment with partner involvement in vulvodynia. Repeated measures of pain intensity related to pain-inflicting behaviors were collected weekly throughout baseline and treatment phases. Associated outcomes were measured pre-, post- and at two follow-up assessments. Participants were 18-45-year-old women, in a stable sexual relationship with a man, experiencing vulvodynia. Five women completed the treatment consisting of 10 group sessions and 3 couple sessions. Data were analyzed through visual inspection and supplementary nonparametric calculations. The study showed promising results of the CBT treatment in alleviating pain intensity in connection to specific pain-inflicting behavior since three out of five participants showed improvements. For the participants who improved, sexual function, pain catastrophizing, avoidance, and endurance behavior changed during treatment and were maintained at follow-ups. These results warrant further study of the CBT treatment, in larger, and controlled formats.
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- Flink, Axel, et al.
(författare)
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Structure and thermal stability of arc evaporated (Ti0.33Al0.67)1 − xSixN thin films
- 2008
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Ingår i: Thin Solid Films. - : Elsevier BV. - 0040-6090 .- 1879-2731. ; 517:2, s. 714-721
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Tidskriftsartikel (refereegranskat)abstract
- (Ti0.33Al0.67)1 − xSixN (0 ≤ x ≤ 0.29) thin solid films were deposited onto cemented carbide substrates by arc evaporation and analyzed using analytical electron microscopy, X-ray diffraction, nanoindentation, and density functional theory. As-deposited films with x ≤ 0.02 consisted mainly of a metastable c-(Ti,Al)N solid solution for which Si serves as a veritable grain refiner. Additional Si promoted growth of a hexagonal wurtzite (Al,Ti,Si)N solid solution, which dominated at 0.02 < x < 0.17. For x ≥ 0.17, the films were X-ray amorphous. Despite these widely different microstructures, all as-deposited films had nanoindentation hardness in the narrow range of 22–25 GPa. Isothermal annealing of the x = 0.01 alloy film at a temperature of 900 °C, corresponding to that in turning operation, resulted in spinodal decomposition into c-AlN and TiN and precipitation of h-AlN. For x = 0.09 films, annealing between 600 °C and 1000 °C yielded c-TiN precipitation from the h-(Al,Ti,Si)N phase. Furthermore, the x = 0.01 and x = 0.09 films exhibited substantial age hardening at 900 °C, to 34 GPa and 29 GPa due to spinodal decomposition and c-TiN precipitation, respectively. Films with a majority of c-(Ti,Al)N phase worked best in steel turning tests, while films with x > 0.02 developed cracks during such operation. We propose that the cracks are due to tensile strain which is caused by a decrease in molar volume during the phase transformation from hexagonal wurtzite (Al,Ti,Si)N into cubic TiN phase, which results in degradation in machining performance.
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- Flink, M., et al.
(författare)
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The Supporting Patient Activation in Transition to Home (sPATH) intervention : A study protocol of a randomised controlled trial using motivational interviewing to decrease re-hospitalisation for patients with COPD or heart failure
- 2017
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Ingår i: BMJ Open. - : BMJ Publishing Group. - 2044-6055. ; 7:7
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Tidskriftsartikel (refereegranskat)abstract
- Introduction Deficient hospital discharging and patients struggling to handle postdischarge self-management have been identified as potential causes of re-hospitalisation rates. Despite an increased interest in interventions aiming to reduce re-hospitalisation rates, there is yet no best evidence on how to support patients in being active participants in their self-management postdischarge. The aim of this paper is to describe the study protocol for an upcoming randomised controlled trial (RCT) of the Supporting Patient in Activation to Home (sPATH) intervention. Methods/analysis The described study is a randomised, controlled, analysis-blinded, two-site trial, with primary outcome re-hospitalisation within 90 days. In total, 290 participants aged 18 years or older with chronic obstructive pulmonary disease or congestive heart failure who are admitted to hospital and who are living in an own home will be eligible for inclusion into an intervention (n=145) or control group (n=145). Patients who need an interpreter to communicate in Swedish, or who have a diagnosis of dementia or cognitive impairment, will be excluded from inclusion. The sPATH intervention, developed with a theoretical base in the self-determination theory, consists of five postdischarge motivational interviewing sessions (face to face or by phone). The intervention covers the self-management areas medication management, follow-up/care plan, symptoms/signs of worsening condition and relations/contacts with healthcare providers. This RCT will add to the literature on evidence to support patient activation in postdischarge self-management. Ethics and dissemination The study is approved by the Regional Research Ethics Committee (No. 2014/1498-31/2) in Stockholm, Sweden. The results of the study will be published in peer-reviewed journals and presented at international and national scientific conferences. Trial registration number NCT02823795; Pre-results.
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| 35. |
- Flink, M, et al.
(författare)
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Training in client-centeredness enhances occupational therapist documentation on goal setting and client participation in goal setting in the medical records of people with stroke
- 2016
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Ingår i: Clinical rehabilitation. - : SAGE Publications. - 1477-0873 .- 0269-2155. ; 30:12, s. 1200-1210
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Tidskriftsartikel (refereegranskat)abstract
- The aim of the present study was to compare client-centeredness as it was documented by the occupational therapists in the units randomized to the intervention clusters with documentation by occupational therapists in the control clusters. Design: Comparison of medical records. Setting: The study is conducted in a context of a randomized controlled trial in Sweden, with 16 post-stroke rehabilitation units cluster randomized to intervention or control group. Subjects: Occupational therapist documentation in medical records of 279 clients with stroke. Main measures: The medical records were reviewed for their level of client-centeredness using a protocol developed from the Stewart et al model. The occupational therapists in the intervention groups participated in a workshop training to enhance their client-centeredness. Results: Occupational therapists with training in client-centeredness documented significantly more on goal setting (OR = 4.1; 95% CI, 1.87-8.81), on client participation in goal setting (OR=11.34; 95% CI, 5.97-21.57), on how the goals could be reached (OR=2.8; 95% CI, 1.7-4.62), on client participation in how goals could be reached (OR=4.56; 95% CI, 2.73-7.64), on the follow-up on goals (OR=5.77; 95% CI, 2.78-11-98) and on client participation in follow-up on goals (OR=7.44, 95% CI, 4.33-12.8). This association remained after adjustment for healthcare setting, client socio-demographic variables, and stroke severity. Conclusion: Documentation of goal setting and client participation in goal setting can be influenced by training.
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- Lauridsen, Jonas, et al.
(författare)
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Effects of A-elements (A=Si, Ge or Sn) on the structure and electrical contact properties of Ti-A-C-Ag nanocomposites
- 2012
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Ingår i: Thin Solid Films. - : Elsevier BV. - 0040-6090 .- 1879-2731. ; 520:16, s. 5128-5136
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Tidskriftsartikel (refereegranskat)abstract
- Ti-A-C-Ag (A is Si, Ge or Sn) nanocomposite coatings have been deposited by dc magnetron sputtering in an ultra high vacuum chamber. Electron microscopy, energy-dispersive x-ray spectroscopy, x-ray photoelectron spectroscopy, and x-ray diffraction show that all coatings contain nanocrystalline TiC and Ag grains in a matrix of mainly amorphous C. A C/Ti ratio above unity yields a homogenous distribution of Ag with a reduced grain size. From a chemical point of view. the addition of Ge and Sn to the Ti-C-Ag system should increase the conductivity of the coatings since the formation of more metallic phases than Si. We demonstrate that Si can be replaced with Ge and Sn and still yield a homogeneous distribution of Ag. The incorporation of Ge and Sn to the Ti-C-Ag system results in elemental precipitation and intermetallic phases, respectively. This gives improved electrical properties compared to Ti-Si-C-Ag coatings, and a contact resistance at loads of similar to 1 N against an Au probe (radius of 0.7 mm) that is comparable to that of Ag.
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- Lundqvist, M., et al.
(författare)
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Efficacy and safety of lidocaine for treatment of neonatal seizures
- 2013
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Ingår i: Acta Paediatrica. - : Wiley. - 0803-5253 .- 1651-2227. ; 102:9, s. 863-867
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Tidskriftsartikel (refereegranskat)abstract
- Aim: Treatment of neonatal seizures still relies primarily on phenobarbital, despite an estimated efficacy of less than 50% and concern over neurodegenerative side effects. The objective of this study was to evaluate the efficacy and safety of lidocaine as second-line treatment of neonatal seizures in infants following benzodiazepine treatment but without previous treatment with phenobarbital. Methods: In a 10-year cohort, a retrospective chart review was conducted for all infants (gestational age >= 37 w, age <= 28 days) who had received lidocaine as second-line treatment of neonatal seizures prior to treatment with phenobarbital between January 2000 and June 2010. Infants were included if they had electroencephalographic seizures. Results: Cessation of seizure activity was seen in 16 of 30 infants based on clinical and electroencephalographic features, and a probable response was seen in an additional 3 of 30 patients. Suspected adverse effects were seen in only one patient, who developed a transient bradycardia. Conclusion: Lidocaine has a moderate efficacy as second-line therapy following benzodiazepines for treating neonatal seizures and is not frequently associated with cardiovascular adverse effects. Lidocaine should therefore be considered in the treatment of seizures in the neonatal period to a higher extent than is the case today.
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| 47. |
- Music, Denis, et al.
(författare)
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Role of carbon in boron suboxide thin films
- 2003
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Ingår i: Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films. - : American Vacuum Society. - 0734-2101 .- 1520-8559. ; 21:4, s. 1355-1358
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Tidskriftsartikel (refereegranskat)abstract
- X-ray amorphous BO0.02 thin films with the C content from 0 to 0.6 at. % were grown by reactive dual magnetron sputtering in an UHV system. It was shown that the elastic and dielectric properties of the as-deposited films are affected by the amount of the incorporated C and the film density.
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