Different Scenarios of Autonomous Operation of an Environmental Sensor Node Using a Piezoelectric-Vibration-Based Energy Harvester.

This paper delves into the application of vibration-based energy harvesting to power environmental sensor nodes, a critical component of modern data collection systems. These sensor nodes play a crucial role in structural health monitoring, providing essential data on external conditions that can affect the health and performance of structures. We investigate the feasibility and efficiency of utilizing piezoelectric vibration energy harvesters to sustainably power environmental wireless sensor nodes on the one hand.

Analysis and Characterization of Optimized Dual-Frequency Vibration Energy Harvesters for Low-Power Industrial Applications.

We present a multiresonant vibration energy harvester designed for ultra-low-power applications in industrial environments together with an optimized harvester design. The proposed device features dual-frequency operation, enabling the harvesting of energy over a wider operational frequency range. It has been designed such that its harvesting bandwidth range is [50, 100] Hz, which is a typical frequency range for vibrations found in industrial applications.

Osteosarcoma of the testis.

This report describes a case of primary osteosarcoma of the testis in a 60-year-old man. Treatment consisted of an inguinal orchiectomy with no adjuvant therapy. The patient is alive and doing well without recurrent disease at 18 months after diagnosis.

[Urinary bladder mesonephric clear cell adenocarcinoma].

Mesonephric adenocarcinoma of the urinary bladder is a rare tumour, whose origin is still uncertain. The authors report the case of a 19-year old woman hospitalized for a huge pelvic mass revealed by hematuria. Trans-urethral biopsy showed the mesonephric nature of this mass.

[Primary renal non Hodgkin's lymphoma].

Primary renal non Hodgkin's lymphoma is a rare disease. The authors report a case of primary follicular lymphoma of the kidney diagnosed on nephrectomy specimen in a 53 year old man. In the light of this case and a review of the literature, aetiopathogenic, diagnostic and therapeutic aspects are discusses.

[Endoscopic realignment for post-traumatic rupture of posterior urethra].

Purpose: To analyse the long-term results of treatment of posterior urethral disruptions with endoscopic realignment, and to assess the efficacy, simplicity and benefit of this technique.

Material And Methods: Between 1989 and 2001, thirty six patients were treated by endoscopic realignment for traumatic rupture of the posterior urethra. The analysis of the results took in consideration the quality of urinary stream, the continence and the erectile function.

Hamming distance geometry of a protein conformational space: application to the clustering of a 4-ns molecular dynamics trajectory of the HIV-1 integrase catalytic core.

Protein structures can be encoded into binary sequences (Gabarro-Arpa et al., Comput Chem 2000;24:693-698) these are used to define a Hamming distance in conformational space: the distance between two different molecular conformations is the number of different bits in their sequences. Each bit in the sequence arises from a partition of conformational space in two halves.