Carlos Sosa

ORCID: 0009-0009-1077-2227
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About
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Research Areas
  • Parvovirus B19 Infection Studies
  • Viral-associated cancers and disorders
  • Cytomegalovirus and herpesvirus research
  • Photovoltaic Systems and Sustainability
  • Chalcogenide Semiconductor Thin Films
  • Health and Lifestyle Studies
  • Mosquito-borne diseases and control
  • Viral Infections and Vectors
  • Perovskite Materials and Applications
  • Hepatitis C virus research
  • Prenatal Screening and Diagnostics
  • Lymphoma Diagnosis and Treatment
  • Cuban History and Society
  • Leptospirosis research and findings
  • Dermatological and COVID-19 studies
  • TiO2 Photocatalysis and Solar Cells
  • Hepatitis B Virus Studies

University of Quintana Roo
2024

University of Nebraska–Lincoln
1997-2001

University of Miami
1996-1997

Thomas Jefferson University
1996

Bipar
1996

Hospital Muñiz
1996

University of Mendoza
1992

ABSTRACT Reported prevalences of human herpesvirus 8 (HHV-8) (Kaposi’s sarcoma-associated herpesvirus) in semen have ranged widely. This is possibly due to differences assay sensitivity, geographic or population-based the true presence virus semen, and PCR contamination. study assessed interlaboratory sensitivity reproducibility analysis blinded experimental panels, each consisting 48 specimens being composed from different healthy artificial-insemination donors ( n = 30) immunodeficiency...

10.1128/jcm.37.5.1298-1301.1999 article EN Journal of Clinical Microbiology 1999-05-01

Human herpesvirus (HHV) type 8 has been detected in both classical and AIDS~related Kaposi's sarcoma, body-cavity lymphomas, other types of tumors. HHV-8 also DNA from peripheral blood mononuclear cells (PBMC) some sarcoma patients more readily B cell fractions derived panned subpopulations. Two were followed using several methods: situ hybridization, solution-based polymerase chain reaction (PCR), peR. was intermittently plasma, detection correlated with PBMC. In PCR demonstrated sequences...

10.1093/infdis/174.5.1101 article EN The Journal of Infectious Diseases 1996-11-01

The seroprevalence of human herpesvirus 8 (HHV-8) was studied in 326 immunodeficiency virus (HIV)-positive and -negative persons from Honduras; women constituted 77% (n = 251) the subjects. Sera were tested for lytic HHV-8 antibodies by an IFA, positive samples confirmed a radioimmunoprecipitation assay. Of tested, 58 (17.8%) had antibodies. Among HIV-infected women, 22.7% seropositive; 11.3% HIV-negative seropositive. almost four times higher HIV-positive female commercial sex workers (36%)...

10.1086/517471 article EN The Journal of Infectious Diseases 1998-08-01

Abstract Human parvovirus B19 productively infected erythroid progenitor (EP) cells from umbilical cord blood, in vitro as shown by an increase of viral DNA supernatant fluid assayed dot blot hybridization and liquid scintillation counting. Progeny virus was released into the CD34+ EP which had been purified immunomagnetic separation. This infectious for bone marrow cells. Erythroid bursts with showed characteristic cytopathic effect electron microscopy consisting cytoplasmic vacuolization,...

10.1002/jmv.1890360209 article EN Journal of Medical Virology 1992-02-01

Los alimentos ultraprocesados son productos modificados con la adición de sustancias como sal, azúcar y aceite, alterando su naturaleza original. El presente estudio busca diseñar validar escala actitudes hacia el consumo en estudiantes Ciencias Salud. A través un cuantitativo, no experimental, transversal explicativo, se encuestaron a 277 (65.7% mujeres 34.3% hombres) una media 19.16 años (DE = 1.76). análisis factorial exploratorio reveló estructura unifactorial que explicó varianza total...

10.15174/au.2024.4126 article ES Acta Universitaria 2024-11-20

Com o aumento da busca por fontes de energias renováveis, a energia fotovoltaica surge como uma alternativa promissora. Atualmente, silício é principal material aplicado na fabricação células solares, no entanto, seus valores eficiência estão chegando próximo ao seu limite teórico. Células perovskitas têm sido vistas opção interessante às apresentarem altos eficiência, características atraentes para aplicação em fotovoltaicos, além serem mais baratas. Sua diversidade composicional e...

10.59627/rbens.2024v15i2.472 article PT Revista Brasileira de Energia Solar 2024-12-23

Tendo em vista o contínuo crescimento de sistemas fotovoltaicos no Brasil e a necessidade testes inspeção nos módulos fotovoltaicos, esse trabalho apresenta informações suporte à interpretação análise resultados eletroluminescência. Através uma revisão bibliográfica é detalhado processo teste eletroluminescência os trabalhos já realizados para defeitos. São apresentados exemplos diferentes defeitos que construídos na topologia meia célula podem apresentar e, por fim, classificação desses...

10.59627/rbens.2024v15i2.473 article PT Revista Brasileira de Energia Solar 2024-12-23

HHV-8 viral sequences have been detected in DNA derived from Kaposi's sarcoma(KS) and body cavity based lymphomas (BCL) Recent work has indicated that the HIV transactivator tat is important pathogenesis of KS. We studied effect protein on copy number. Isolated PBMC's patients including five positive KS patients, four AIDS one negative immunosuppressed renal transplant patient, patient with KS, BCBL-1 cell line lymphoma cells a BCL were cultured for days presence 50 ng/ml tat, 100 no tat....

10.1097/00042560-199704010-00110 article EN Journal of Acquired Immune Deficiency Syndromes & Human Retrovirology 1997-04-01
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