Spores that crush the spine in infancy: a diagnostic dilemma for an infant with special tuberculosis by Mohamed, Mossad Abdelhak Shaban, Mossad, Manar

“…The case highlights the dilemma with the diagnosis we encountered until establish the final diagnosis which is spinal tuberculosis. We highlighted a lot of important lessons.…”
Get full text
Get full text

Z domain delay subcircuits and compact Verilog-A macromodels for mixed-mode sampled data circuit simulation by Brinson, Mike, Nabijou, Hassan

“…Each of these stresses the use of test and data extraction techniques which are not easily undertaken with the SPICE 2g6 or 3f5 simulators.…”
Get full text

Interactive compact device modelling using Qucs equation defined devices by Brinson, Mike, Jahn, Stefan

“…To illustrate the properties and use of the Qucs equation defined device a number of examples centred on well-known SPICE models are described.…”
Get full text

Functional electrical stimulation system and profile for walking by Abdul Malik, Noreha

“…Functional Electrical Stimulation (FES) helps to restore muscle function for dropped foot correction in patients having neurological disorders such as cerebro-vascular accident or stroke, multiple sclerosis and spinal cord injury by stimulating the tibialis anterior muscle or common peroneal nerve. …”
Get full text

The essential oil of greater galanga (Alpinia galanga) from Malaysia by De Pooter, Herman L, Omar, Muhammad Nor, Coolsaet, Brigitte A, Schamp, Niceas A

“…The essential oil of A. galanga, a common spice in Malaysia, was prepared from fresh and dried rhizomes and analysed by means of capillary GC and GC/MS. …”
Get full text

Measurement and analysis of BJT current mirror frequency response at low DC bias currents by Brinson, Mike, Faulkner, D. J.

“…However, the results of SPICE simulation deviate at very low currents, confirming previous reports of inadequacies in the BJT model under these conditions.…”
Get full text

Dilated Intercellular Spaces of Esophageal Epithelium among Malaysian With Nonerosive Reflux Disease: Transmission Electron Microscopic (Tem) Study by Myint, Yi Yi, Tun, Ye, Muhammad Amjad, Nasser, Mat Hassan, Mohd. Zailaini

“…The diffusion of refluxed gastric acid into the intercellular space activates chemo sensitive nociceptors whose signals are transmitted via the spinal cord to the brain for symptom (heartburn) perception as well as initiated a short reflex arc to esophageal (longitudinal) smooth muscle as means of precipitating a sustained esophageal contraction. …”
Get full text

Paediatric cause of back pain in young adult. A case report by Sharifudin, Mohd Ariff, Johari, Joehaimey, Omar, Ahmad Sabri

“…Vertebral involvement has been frequently reported in approximately 10-15% of cases, but involvement of the spinal cord and roots remains a rare occurrence. Patients may present with progressive back pain, with or without neurologic symptoms. …”
Get full text

Qucs-0.0.19S: a new open-source circuit simulator and its application for hardware design by Brinson, Mike, Kuznetsov, Vadim

“…It is a simulation tool which supports multiple SPICE circuit simulators, including Ngspice and Xyce. …”
Get full text

Qucs Equation-Defined and Verilog-A Higher Order Behavioral Device Models for Harmonic Balance Circuit Simulation by Brinson, Mike, Kuznetsov, Vadim

“…Although Qucs supports conventional SPICE semiconductor device models, whose static current/voltage and dynamic charge characteristics exhibit second and higher order derivatives may not be continuous, there is no guarantee that these will function without Harmonic Balance simulation convergence problems. …”
Get full text

Qucs-S a maturing GPL software package for circuit simulation and compact modelling of current and emerging technology devices by Brinson, Mike, Kuznetsov, Vadim

“…The purpose of this presentation is to outline the simulation and modelling facilities offered by Qucs-S, to demonstrate features not normally associated with SPICE, and to show how Qucs-S can be applied to modelling emerging technology devices. …”
Get full text

On phase separation points for one-dimensional models by Ganikhodjaev, Nasir, Rozikov, Utkir Abdulloevich

“…In the paper, the one-dimensional model with nearest-neighbor interactions In, n ∈ Z, and the s pin values ±1 is considered. It is known that, under some conditions on parameters of In, a phase transition occurs for this model. …”
Get full text

Qucs: a GPL software package for circuit simulation, compact device modelling and circuit macromodelling from DC to RF and beyond by Brinson, Mike, Jahn, Stefan

“…This paper describes a number of compact semiconductor device and circuit macromodelling techniques that have been implemented in recent Qucs releases, stressing those techniques that are not found in SPICE 2g6 or 3f5. It also introduces a novel hierarchical approach to Verilog‐A compact model and circuit macromodel construction based on non‐linear equation‐defined devices, linear‐controlled sources and noise generators embedded in subcircuits. …”
Get full text

Renal cell carcinoma in a von Hippel-Lindau syndrome; when should pheochromocytoma be anticipated? by Mohd Shah, Azarisman Shah, K, Nor Azmi

“…He subsequently underwent an arterial embolisation and cervical laminectomy, following a spinal angiogram of the cervical lesion. He also had a right radical nephrectomy, with no perioperative complications. …”
Get full text

Two-stage surgery for a large cervical dumbbell tumour in neurofibromatosis 1: a case report by Sharifudin, Mohd Ariff, Johari, Joehaimey, Omar, Ahmad Sabri, Yusof, Abdul Halim

“…Spinal neurofibromas occur sporadically and typically occur in association with neurofibromatosis 1. …”
Get full text

Qucs Frequency Domain Non-Linear Compact Modelling and Simulation of IC Spiral Inductors on Silicon by Brinson, Mike

“…SPICE AC circuit simulation is fundamentally a small signal network analysis of linear or non-linear circuits operating at specified DC bias conditions, where the circuit component values are assumed not to be functions of AC input signal frequency. …”
Get full text

Frequency domain non-linear compact modelling and simulation of IC spiral inductors on silicon by Brinson, Mike

“…SPICE AC circuit simulation is fundamentally a small signal network analysis of a linear or non-linear circuit operating at specified DC bias conditions, where the electrical network component values are assumed not to be functions of AC input signal frequency. …”
Get full text

Qucs equation-defined and Verilog-A RF device models for harmonic balance circuit simulation by Brinson, Mike, Kuznetsov, Vadim

“…Although Qucs supports conventional SPICE semiconductor device models, whose static current/voltage and dynamic charge characteristics exhibit second and higher order derivatives may not be continuous, there is no guarantee that these will function without Harmonic Balance simulation convergence problems. …”
Get full text

Photonic controlled metasurface for intelligent antenna beam steering applications including 6G mobile communication systems by Muqdad, Zainab S., Alibakhshikenari, Mohammad, Elwi, Taha A., Hassain, Zaid A. Abdul, Virdee, Bal Singh, Sharma, Richa, Khan, Salahuddin, Tokan, Nurhan Türker, Livreri, Patrizia, Falcone, Francisco, Limiti, Ernesto

“…This paper presents a novel metasurface antenna whose radiation characteristics can be remotely controlled by optical means using PIN photodiodes. The proposed reconfigurable antenna is implemented using a single radiating element to minimize the size and complexity. …”
Get full text
Get full text

Characterisation of surface texture using AFM with trimmed probe tip by Ali, Mohammad Yeakub, Lim, BengHai

“…A comparison of the scanning results with analytical calculation showed that the trimmed tips were superior in imaging the profile for both the hole shaped and pin shaped microfeatures. But when using the trimmed high aspect ratio tip, the scanning speed was significantly low. …”
Get full text