Biomedical subjects

A Minor

Publications and source records attributed to A Minor.

5 recordsLinked to original sources

PubMed2005

Metal-induced assembly of a semiconductor island lattice: Ge truncated pyramids on Au-patterned Si.

We report the two-dimensional alignment of semiconductor islands using rudimentary metal patterning to control nucleation and growth. In the Ge on Si system, a square array of submicron Au dots on the Si (001) surface induces the assembly of deposited Ge adatoms into an extensive island lattice. Remarkably, these highly ordered Ge islands form between the patterned Au dots and are characterized by a unique truncated pyramidal shape. A model based on patterned diffusion barriers explains the observed ordering and establishes general criteria for the broader applicability of such a directed assembly process to quantum dot ordering.

Journal Article↗

PubMed1976

The painless intussusception.

There were 422 cases of intussusception at the Hospital for Sick Children, Toronto, over a 12-yr period between 1959 and 1970. The histories of all patients who had no pain recorded were evaluated and the duration of signs and symptoms and the treatment required assessed. When compared with those who had pain, it was noted that the children with painless intussusception presented later, hydrostatic reduction was less likely to be effective, and operative reduction and resection was required more often.

Child↗

PubMedDate not supplied

[Lipid metabolism parameters in patients with multi-infarct dementia and Alzheimer's type dementia].

The concentrations were determined of triglycerides (TG), total cholesterol (Ch), high density fraction of (HDL-Ch), low density fraction of cholesterol (LDL-Ch), apolipoprotein B (apo-B) in patients with dementia of Alzheimer type (DAT, 14 patients) and multi-infarct dementia (MID, 63 patients). No significant differences in the estimated lipid parameters in both groups were found, except the calculated value of atherogenic index (Ch/HDL-Ch), which was significantly higher in patients with MID. Our results suggest that this parameter is a much more sensitive atherogenic indicator in blood-vessels than other tested lipid parameters. This finding may influence the therapeutic approach to patients with dementia.

Adult↗

PubMedDate not supplied

Hyperglycemic and lipid parameters in diabetic and nondiabetic patients after acute cerebral stroke.

In 44 patients in acute period of cerebral stroke (35 with a normal glucose tolerance and 9 with non-insulin-dependent diabetes), the concentration of: glycohemoglobin, fructosamine, lipoprotein (a), triglycerides (TG), total cholesterol (TCh), as well as, HDL-cholesterol (HDL-Ch) and LDL-cholesterol (LDL-Ch) were measured and atherogenic factors: TCh/HDL-Ch, LDL-Ch/HDL-Ch, TG/HDL-Ch were calculated. Diabetic patients in acute period of cerebral stroke showed not statistically significant increase of lipids, lipoproteins, glycohemoglobin and fructosamine concentrations, as compared with nondiabetic patients.

Aged↗

PubMedDate not supplied

Atherosclerosis risk factors in patients in acute cerebral stroke in relation to sex and age.

The study was performed in 44 patients (28 female and 16 male, age range 46-85 years) in an acute period of cerebral stroke. The concentrations of serum glycohemoglobin, fructosamine, lipoprotein (a) (Lp(a)), triglycerides (TG), total cholesterol (TCh), as well as cholesterol of HDL and LDL fractions (HDL-Ch, LDL-Ch) were measured and atherogenic factors: TCh/HDL-Ch, LDL-Ch/HDL-Ch were calculated. We found, that the highest values of these factors were observed in women aged 60-70 years and in men over 80 years.

Age Distribution↗