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Basic Guidelines for the Collection and Submission of Necropsy Samples

The necropsy (postmortem examination) has a critical importance in the determination of the cause of disease and/or death. However, the necropsy is frequently not the end of the question and after this procedure, it is necessary to perform additional techniques (such as histological and microbiological analysis) in order to achieve a final diagnosis. An interdisciplinary collaboration between pathologists, clin...

João Cid dos Santos Evocação da vida, pensamento e obra, na celebração do seu c...

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Comparative study of Green's function matrix elements and charge transfers obta...

RHF and MP2 ab initio molecular orbital calculations using the 4-31G**, 6-311G** and cc-pVTZ basis sets have revealed that the Green's function matrix element (G D,A) values show a good correlation with the amount of intermolecular transferred charges obtained from different charge partitioning schemes for the CNH…CNH, NCH…CNH, CNH…NCH and NCH…NCH hydrogen bonded complexes. This is evident specially when the hy...

Measurement of rabbit’s intestinal villus: Preliminary comparison of two method...

This work applies the microdissection technique, described by Clarke (1977), and the conventionally prepared sections stained with haematoxilin and eosin to samples from rabbit small intestine. Twenty-four rabbits, previously brooded under identical conditions with a basal diet were slaughtered at 24 (n=8), 32 (n=8) and 42 (n=8) days of age to collect samples for laboratory analysis. Two adjacent sections of ...

Condutância molecular e biomolecular

The concept of molecular conductance is discussed in terms of the propagation of an electronic interaction, between electron donor and acceptor groups, through the bonds of a molecular structure where these groups are embedded. The electronic interaction propagation is described by a Green's function matrix element, in a donor-bridge-acceptor molecular system reduced to a two-level representation.

Avaliação dos programas de pós-graduação em química no Brasil

A broad picture of the graduate programs in chemistry in Brazil is analyzed from the data collected during the period 1996/1997 for evaluation by CAPES. The results are compared with those from previous evaluations, indicating significant quantitative and qualitative progresses.

A química na região nordeste: o papel da SBQ

In the opportunity of the 20th year of foundation of the Brazilian Chemical Society, the role of this organization in behalf of the development of Science, in particular of Chemistry, is analysed by the way it is observed by someone that has been working in the Northeast of this Country.

Acesso videolaparoscópico no tratamento cirúrgico do câncer colorretal: análise...

Surgical decisions in atherosclerosis.

The Hickman type central venous catheter for vascular access in cancer patients.