Pedro Pérez

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Traceability and tracking activity are increasing significantly, since underlying technology such as GPRS/UMTS and satellite positioning is mature and ready for widespread market traceability solutions. This paper focuses on the roll-out of the Cold-Trace solution by Disfrimur, a leading transport company based in Spain. Cold-Trace is a unique, integrated(More)
Here we describe the cytotoxic and proapoptotic effect of an ent-kaurane (ent-16beta-17alpha-dihydroxykaurane), compound isolated from Croton malambo barks, on malignant cell growth. When MCF-7 mammary carcinoma cells were treated with increasing concentrations of the ent-kauranoid, its cytotoxic activity showed an IC50 of 12.5microg/ml, dose that is(More)
We describe a forme frustrée of hammock valve involving only the posterior mitral leaflet. Three adult patients were referred to surgery with the diagnosis of severe mitral regurgitation due to fibrosis of the posterior mitral leaflet. The final diagnosis was done intraoperatively. In all of them the posterior leaflet was attached to some accessory(More)
Malignant disease is present in the pericardium of 1.5% to 20.6% of patients dying of malignant diseases as was examined postmortem. We present a case of a 57-year-old man with a history of Hodgkin's disease and a sarcoma of gluteus who presented with tachypnea, generalized weakness, and anasarca for 7 days. The echocardiogram revealed the presence of a(More)
Multi-agent systems have proven to be a powerful technology for the development of large-scale distributed systems that have to deal with highly dynamic systems. The traffic and transportation systems have this feature, which makes them an excellent application area of these systems. This paper proposes a multi-agent system able to make recommendations of(More)
In the field of agents, there are a wide variety of them, such as learning agents, planning agents or communicative agents. One of the youngest members in the family are mobile agents, which provide us with the interesting feature of mobility in order to perform their tasks in different machines. In this paper, we will see some of the current uses of mobile(More)
Many cytochrome P450 1A1 and 1B1 (CYP1A1 and CYP1B1) inhibitors, such as resveratrol, have planar, hydrophobic, aromatic rings in their structure and exhibit anti-cancer activity. Aryl morpholino triazenes have similar structural features and in addition contain a triazene unit consisting of three consecutive, conjugated nitrogen atoms. Several aryl(More)
The aim of this "in vitro" study was to develop a new system for keratinocyte culture on a dermal equivalent that enables treatment of different skin injuries. The keratinocyte where obtained from primary cell cultures derived from skin biopsies, seeded over a fibrin matrix enhanced with live human fibroblast. Cells growing over the dermal equivalent,(More)
A 62-year-old woman with a history of rheumatic mitral valve disease and commissurotomy closed in 1969, implantation of a Shiley biological mitral prosthesis in 1978, and its replacement in 1998 by a No. 25 Bjork mechanical prosthesis, showed symptoms consistent with congestive heart disease and analytical findings indicating hemolytic anemia.(More)
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