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  1. 1881
    Publicado 1984
    “…A new natural anti-alpha-galactosyl IgG antibody (anti-Gal) was found to be present in high titer in the serum of every normal individual studied. …”
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    A unique natural human IgG antibody with anti-alpha-galactosyl specificity
  2. 1882
    “…Acute- and convalescent-phase serum samples from 5 of these patients showed seroconversion with an IFA titer >512 to rodent-associated Bartonella antigens. …”
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    Rodent-associated Bartonella Febrile Illness, Southwestern United States
  3. 1883
    “…Less virus was transmitted by mosquitoes in vivo (geometric mean 11 PFU) than was found for comparable times of salivation in vitro (mean saliva titer 74 PFU). We also observed slightly lower early and late viremia titers in mice that were needle injected with 8 PFU, which represents the low end of the in vivo transmission range. …”
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    Venezuelan Equine Encephalitis Virus Transmission and Effect on Pathogenesis
  4. 1884
    “…This study emphasizes the need for evaluating virus titers from field-collected mosquitoes to help assess their role as vectors.…”
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    Eastern Equine Encephalitis Virus in Mosquitoes and Their Role as Bridge Vectors
  5. 1885
    por Obafemi, Adebisi Idowu, Le, Jade
    Publicado 2016
    “…Phase I and II IgG antibody titers were <1:16 for 11 of the 14 studied HCWs; 2 HCWs did not follow up at 6 weeks and 1 had a pre-exposure phase II IgG titer of 1:128 with no change 6 weeks later. …”
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    Perioperative Occupational Exposure to Coxiella burnetii-Infected Thoracic Endovascular Aneurysm Stent Graft
  6. 1886
    por Wang, Y., Chen, S., Liu, J., Lv, P., Cai, D., Zhao, G.
    Publicado 2019
    “…Under the optimized conditions, the titer of CoQ(10) reached 141.95 mg L(−1) in a fed-batch fermentation. …”
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    Efficient production of coenzyme Q(10) from acid hydrolysate of sweet sorghum juice by Rhodobacter sphaeroides
  7. 1887
    “…Vaccine response was categorized as negative (IgG titers < 34 BAU/ml), indeterminate (titers 34 - 259 BAU/ml) or positive (≥ 260 BAU/ml). …”
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    Anticuerpos contra el SARS-CoV-2 tras la dosis de vacuna de recuerdo. Identificación de subgrupos con respuesta insuficiente
  8. 1888
    “…Vaccine response was categorized as negative (IgG titers < 34 BAU/ml), indeterminate (titers 34–259 BAU/ml) or positive (≥260 BAU/ml). …”
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    SARS-COV-2 antibodies after booster vaccination. Identification of subgroups with poor response
  9. 1889
    “…Insect-mediated transmission under high confinement mimicking natural conditions confirmed these phenotypes and allowed the classification of 28 Vitis accessions into three distinct categories, according to the percentage of infected plants and their phytoplasma titers. Reduced symptoms, low phytoplasma titers, and low percentages of infected plants were found to be associated in the Vitis vinifera cultivars tested. …”
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    Contrasting Susceptibilities to Flavescence Dorée in Vitis vinifera, Rootstocks and Wild Vitis Species
  10. 1890
    “…Before treatment, the CSF rapid plasma reagin (RPR) titer, CSF Treponema pallidum particle agglutination (TPPA) titer, CSF leukocyte count, and CSF protein concentration were correlated with both serum RPR and TPPA titers. …”
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    Serological Response Predicts Normalization of Cerebrospinal Fluid Abnormalities at Six Months after Treatment in HIV-Negative Neurosyphilis Patients
  11. 1891
    “…Test results of the EDS potency vaccine in layer obtained antibody titer increased in every week of blood taking with average titer of antibody: Before vaccinated was 2(2.9) HI unit, 1 week after vaccination was 2(3.7) HI unit, 2 weeks post-vaccination was 2(5) HI unit, and 3 weeks after vaccination was 2(7.3) HI units. …”
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    Potential and safety tests of egg drop syndrome candidate vaccine from Medan isolate, Indonesia
  12. 1892
    “…This was especially evident in younger subjects who typically had higher titers and maintained these titers into the following season. …”
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    Impact of age and pre-existing immunity on the induction of human antibody responses against influenza B viruses
  13. 1893
    “…We assessed the utility of anti-acetylcholine receptor (AChR) antibody (AChR-ab) titer and concentration of C3, C4, and C5a as potential severity biomarkers in MG. …”
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    C3, C5a and anti-acetylcholine receptor antibody as severity biomarkers in myasthenia gravis
  14. 1894
    “…All the antibody titers continue to rise in patients with COVID-19 over the disease course. …”
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    The kinetics of humoral response and its relationship with the disease severity in COVID-19
  15. 1895
    “…Rare SARS-CoV-2 cross-reactive antibodies elicited by past CCV infections were not associated with protection; however, the duration of symptoms following SARS-CoV-2 infections was significantly reduced in individuals with higher common betacoronavirus (βCoV) antibody titers. Since antibody titers decline over time after CCV infections, individuals in our cohort with higher βCoV antibody titers were more likely recently infected with common βCoVs compared to individuals with lower antibody titers. …”
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    Sero-monitoring of health care workers reveals complex relationships between common coronavirus antibodies and SARS-CoV-2 severity
  16. 1896
    “…Rare SARS-CoV-2 cross-reactive antibodies elicited by past CCV infections were not associated with protection; however, the duration of symptoms following SARS-CoV-2 infections was significantly reduced in individuals with higher common betacoronavirus (βCoV) antibody titers. Since antibody titers decline over time after CCV infections, individuals in our cohort with higher βCoV antibody titers were more likely recently infected with common βCoVs compared with individuals with lower antibody titers. …”
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    Health care worker seromonitoring reveals complex relationships between common coronavirus antibodies and COVID-19 symptom duration
  17. 1897
    “…The administration of plasma with low titer of neutralizing antibodies (NAbs), the use of suboptimal surrogate serological tests to determine NAbs titer, the delayed administration of CP from the onset of COVID-19 symptoms and the lack of information about antibody titer of recipients before CP infusion, are all limiting factors that may have affected the study results. …”
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    Management of COVID patients with convalescent plasma: Do we have the final word?
  18. 1898
    “…Two mRNA vaccines, D614-based MRT5500 and Beta-based MRT5500β, tested in sequential regimens or as a bivalent combination in naïve NHPs produced modest neutralizing titers to heterologous variants. However, when mRNA vaccines were administered as a booster to pre-immune NHPs, we observed a robust increase in neutralizing titers with expanded breadth towards all tested variants, and notably SARS-CoV-1. …”
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    Pan-SARS neutralizing responses after third boost vaccination in non-human primate immunogenicity model
  19. 1899
    “…From 1- to 6-month post-infection, the neutralization titers against USA-WA1/2020 decrease from 601 to 142 (a 4.2-fold reduction), while the neutralization titers against Omicron-spike SARS-CoV-2 remain low at 38 and 32, respectively. …”
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    Neutralization against Omicron SARS-CoV-2 from previous non-Omicron infection
  20. 1900
    “…Also, S-specific antibody titers were higher in females and younger HCWs, and in those who had severe side effects. …”
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    Antibody response and seroprevalence in healthcare workers after the BNT162b2 vaccination in a University Hospital at Tokyo
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