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🔍 bonn 📂 Engineering 📄 Peer-Reviewed
Showing 60 results for "bonn" in Engineering · Peer-Reviewed
Engineering Peer-Reviewed PDF DOI

Effects of dietary calcium to available phosphorus ratios on bone metabolism and osteoclast activity of the OPG /RANK/RANKL signalling pathway in piglets.

 · 1970

Hydroxyapatite, a mineral form of calcium (Ca) and phosphorus (P) that gives bones their rigidity, is the major and essential component of bones and teeth in the human and animal body. A suitable rati…

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Engineering Peer-Reviewed PDF DOI

Study of lead accumulation in bones of Wistar rats by X-ray fluorescence analysis: aging effect.

 · 1970

The accumulation of lead in several bones of Wistar rats with time was determined and compared for the different types of bones. Two groups were studied: a control group (n = 20), not exposed to lead …

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Engineering Peer-Reviewed PDF DOI

Mechanical evaluation of a carbonated apatite cement in the fixation of unstable intertrochanteric fractures.

 · 1970

We created three-part unstable intertrochanteric fractures in 6 pairs of aged, osteopenic, human, cadaveric femora. Fractures were reduced and fixed with a Dynamic Hip Screw (DHS) (Synthes, Paoli, PA)…

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Engineering Peer-Reviewed PDF DOI

The effects of exercise on body weight and circulating leptin in premature infants.

 · 1970

OBJECTIVE: To assess the effect of daily movements on weight gain, serum leptin, and insulin-like growth factor I (IGF-I) in premature infants.STUDY DESIGN: Twenty very-low-birth-weight premature infa…

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Engineering Peer-Reviewed PDF DOI

[Ultrasound diagnosis of the locomotor system].

 · 1970

Improvements of ultrasound technology with knew equipments allowed enormous advances in all fields of medicine during the last years. Several conditions concerning technical equipment and training of …

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Engineering Peer-Reviewed PDF DOI

Stereological measures of trabecular bone structure: comparison of 3D micro computed tomography with 2D histological sections in human proximal tibial bone biopsies.

 · 1970

Stereology applied on histological sections is the 'gold standard' for obtaining quantitative information on cancellous bone structure. Recent advances in micro computed tomography (microCT) have made…

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Engineering Peer-Reviewed PDF DOI

Positional relationship between the facial nerve and other structures of the temporal bone.

 · 1970

The quantitative relationships between the position of the mastoid segment of the facial nerve, mastoid pneumatization and the positions of neighbouring structures are undetermined. Using high resolut…

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Engineering Peer-Reviewed PDF DOI

Influence of enzymatic maceration on the microstructure and microhardness of compact bone.

 · 1970

The cleaning of fresh bones to remove their soft tissues while maintaining their structural integrity is a basic and essential part of bone studies. The primary issue is how the cleaning process influ…

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Engineering Peer-Reviewed PDF DOI

Bioreactor cultivation of anatomically shaped human bone grafts.

 · 1970

In this chapter, we describe a method for engineering bone grafts in vitro with the specific geometry of the temporomandibular joint (TMJ) condyle. The anatomical geometry of the bone grafts was segme…

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Engineering Peer-Reviewed PDF DOI

MRI of the lumbar spine at 7 Tesla in healthy volunteers and a patient with congenital malformations.

 · 1970

OBJECTIVE: The aim of this study was to evaluate sequences that are established at lower magnetic field strengths for lumbar spine imaging at 7 Tesla (7 T) MR imaging.MATERIALS AND METHODS: The lumbar…

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Engineering Peer-Reviewed PDF DOI

Effect of antibiotics on the properties of poly(methylmethacrylate)-based bone cement.

 · 1970

The goal of this study was to examine the relationship between gentamicin concentration in Palacos R bone cement (in the mass fraction range of 0-9.4%) and various properties of the cement. The result…

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Engineering Peer-Reviewed PDF DOI

Cascade functionalization of unsaturated bond-containing polymers using ambident agents possessing both nitrile N-oxide and electrophilic functions.

 · 1970

We developed a powerful and highly reliable cascade functionalization technique for constructing sophisticated macromolecular architectures. Central to the technique are the ambident agents having com…

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Engineering Peer-Reviewed PDF DOI

Edentulation alters material properties of cortical bone in the human mandible.

 · 1970

Ridge resorption following edentulation has been documented clinically, but the effects of tooth loss on the material properties of mandibular cortical bone have received little study. Material proper…

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Engineering Peer-Reviewed PDF DOI

Care of the HIV-exposed child--to breast feed or not?

 · 1970

Breast milk is the best form of nutrition for infants. However, it places infants born to HIV infected women at risk of acquiring HIV infection. Total avoidance of breastfeeding is the only way of com…

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Engineering Peer-Reviewed PDF DOI

Integration of posture and movement: contributions of Sherrington, Hess, and Bernstein.

 · 1970

Neural mechanisms that integrate posture with movement are widespread throughout the central nervous system (CNS), and they are recruited in patterns that are both task- and context-dependent. Scienti…

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Engineering Peer-Reviewed PDF DOI

Three-dimensional virtual model of the human temporal bone: a stand-alone, downloadable teaching tool.

 · 1970

OBJECTIVE: To develop a three-dimensional virtual model of a human temporal bone based on serial histologic sections.BACKGROUND: The three-dimensional anatomy of the human temporal bone is complex, an…

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Engineering Peer-Reviewed PDF DOI

Glenohumeral articular contact areas and pressures following labral and osseous injury to the anteroinferior quadrant of the glenoid.

 · 1970

The objective of this study was to determine the effect of progressive labral and bone loss on the articular contact area and pressures across the glenohumeral joint under compressive loads of 220 and…

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Engineering Peer-Reviewed PDF DOI

Spectral analysis highlight developmental EEG changes in preterm infants without overt brain damage.

 · 1970

Early markers of neurological outcome in the absence of overt brain damage are scarce in extreme prematurity. The aim of this study was to compare spectral EEG values of infants born near term with th…

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Engineering Peer-Reviewed PDF DOI

Acetate-bridged platinum(III) complexes derived from cisplatin.

 · 1970

Oxidation of the acetate-bridged half-lantern platinum(II) complex cis-[Pt(II)(NH(3))(2)(ì-OAc)(2)Pt(II)(NH(3))(2)](NO(3))(2), [1](NO(3))(2), with iodobenzene dichloride or bromine generates the halid…

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Engineering Peer-Reviewed PDF DOI

High prevalence of cardio-metabolic risk factors among adolescents with intellectual disability.

 · 1970

UNLABELLED: Adults with intellectual disabilities (IDs) have poor lifestyle-related health compared with the general population. Our aim was to study whether such differences are present already in ad…

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