Search Results - "Hafez, Amr"

A Blocker-Tolerant, Noise-Cancelling Receiver Suitable for Wideband Wireless Applications by Murphy, D., Darabi, H., Abidi, A., Hafez, A. A., Mirzaei, A., Mikhemar, M., Chang, Mau-Chung Frank

“…A new wideband receiver architecture is proposed that employs two separate passive-mixer-based downconversion paths, which enables noise cancelling, but avoids…”
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A 0.1-1.5 GHz 8-bit Inverter-Based Digital-to-Phase Converter Using Harmonic Rejection by Ming-Shuan Chen, Hafez, Amr Amin, Chih-Kong Ken Yang

“…This paper presents a digital-to-phase converter (DPC) with 8-bits of resolution and a wide frequency range for the input/output clocks. A harmonic rejection…”
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A 3.8 mW/Gbps Quad-Channel 8.5-13 Gbps Serial Link With a 5 Tap DFE and a 4 Tap Transmit FFE in 28 nm CMOS by Kocaman, Namik, Ali, Tamer, Rao, Lakshmi P., Singh, Ullas, Abdul-Latif, Mohammed, Yang Liu, Hafez, Amr Amin, Park, Henry, Vasani, Anand, Zhi Huang, Iyer, Arvindh, Bo Zhang, Momtaz, Afshin

“…This paper presents a quad-lane serial transceiver that supports virtually all data center communication standards around 8.5-13 Gbps, implemented in 28 nm…”
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Is prolonged period of prone position effective and safe in mechanically ventilated patients with SARS-CoV-2? A randomized clinical trial by Hafez, Amr Fouad, Gamal, Rania, Abd El-Rahman, Ahmed, Kamal, Farouk

“…The novel coronavirus has been recently spreading throughout the world, causing severe acute respiratory syndrome (SARS-CoV-2) that necessitates mechanical…”
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Scalability and Design-Space Analysis of a 1T-1MTJ Memory Cell for STT-RAMs by Dorrance, R., Fengbo Ren, Toriyama, Y., Hafez, A. A., Yang, Chih-Kong Ken, Markovic, D.

“…We present a design-space feasibility region, as a function of magnetic tunnel junction (MTJ) characteristics and target memory specifications, to explore the…”
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Analgesic efficacy and functional outcome in refractory cases of plantar fasciitis treated with platelet-rich plasma: randomized comparative study with corticosteroids injection by Sawan, Zeinab Hamed, El-Tohamy, Sanaa Ahmed, Elhossieny, Khadeja M., Basha, Osama Hussein Abdel-Halim, Hafez, Amr Shaaban

“…Steroid injection is a widespread treatment for plantar fasciitis but seems to be useful to a lesser extent, Platelet-rich Plasma (PRP) injections into the…”
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Effect of combined use of ivermectin and colchicine in COVID-19 patients by El Sayed, Rania Gamal, Hafez, Amr Fouad, Mohammed Haggag, Adham Magdy Ahmed, Alhadidy, Mohamed A.

“…Despite the great results of the SARS-CoV-2 vaccine, there is an increasing need for effective therapeutics. Increasing viral loads are associated with…”
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Effect of dexmedetomidine vs midazolam on the microcirculation of septic patients who are mechanically ventilated by Mohamed Atef Refaat, Mostafa, Ali Elkafrawy, Laila, Elkabarity, Reem Hamdy, Hafez, Amr Fouad

“…Sepsis has been associated with microvascular alterations. Studies have shown dexmedetomidine to have a beneficial effect on the microcirculation in patients…”
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Design and Optimization of Multipath Ring Oscillators by Hafez, A. A., Chih-Kong Ken Yang

“…Multipath ring oscillators have been used to generate multiple clock phases and higher oscillation frequencies. This paper presents a modified linear analysis…”
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Diagnosis of arterioportal shunts in cases of hepatocellular carcinoma using multidetector CT: Impact on clinical management by Mohamed, Ahmed Mostafa, Elmaaty, Mohamed El Gharib A., Ibrahim, Ayman Mohamed, Hamed, Waleed, Fouly, Amr Hafez El

“…To study the ability of multidetector CT (MDCT) to diagnose arterioportal shunts (APS) associated with hepatocellular carcinoma (HCC) and its impact on further…”
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A comparative study between high-flow nasal oxygen therapy and venturi mask oxygen therapy for postoperative laparoscopic bariatric surgery patients with atelectasis: a randomized clinical trial by Allam, Asmaa Ahmed Nabeeh Negmeldin Abdelrahman, Elsersi, Mayar Hassan Sayed Ahmed, Elkady, Galal Adel Mohamed Abdelreheem, Hafez, Amr Fouad, Algendy, Mohamed Abdelsalam Aly

“…Background Obesity has been identified as an independent risk factor for postoperative respiratory complications in several studies. In the pediatric and…”
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Single-injection percutaneous peribulbar anesthesia with a short needle versus sub-Tenon′s anesthesia for cataract extraction by Ghali, AshrafM, Mahfouz, AbdulKader, Hafez, Amr

“…Purpose: This study compared the efficacy of single-injection percutaneous peribulbar anesthesia (PBA) with a short needle with sub-Tenon′s anesthesia (STA) to…”
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Noninvasive hemoglobin monitoring by spectrophotometry in blunt abdominal trauma patients for conservative management by Hafez, MD, Amr Fouad, Ibrahim, MD, Ibrahim Al Shahat, MD, Ramy Helmy, Ibrahim, MD, Waleed Abdalla

“…Background & Aim: Nonoperative management is considered the treatment of choice in patients with blunt abdominal trauma, serial clinical assessment and…”
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Analgesic Sparing Effect of Dexamethasone with Levobupivacaine in Quadratus Lumborum Block in Patients Undergoing Unilateral Inguinal Hernia Repair by Wahba, Sherif Samir, Khalaf, Khaled Mostafa, Hafez, Amr Fouad, Ahmed El Shahawy, Yasmin Tarek Ali

“…Abstract Background The QLB is an effective analgesic technique for various abdominal wall incisinos. The QLB covers T7 to L2 dermatomes. Levobupivacaine is a…”
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An 8-PSK digital phase detection technique for super-regenerative receivers by Ibrahim, Ghada H., Hafez, Amr N.

“…In this paper, an 8-PSK digital phase detection engine for super-regenerative receivers is proposed, this extends the capability of receivers built on…”
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Reconstruction of large upper eyelid defect with two composite lid margin grafts by Hafez, Amr

“…To evaluate the results of reconstruction of large defects in the upper lid using two composite contra-lateral eyelid margin grafts. This is an interventional…”
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A 32-48 Gb/s Serializing Transmitter Using Multiphase Serialization in 65 nm CMOS Technology by Hafez, Amr Amin, Ming-Shuan Chen, Chih-Kong Ken Yang

“…A power-efficient transmitter is proposed using a multiphase serializer, multiphase dividers using injection-locked oscillators, and a high-speed multiplexing…”
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Effectiveness of combined therapy radiofrequency ablation/transarterial chemoembolization versus transarterial chemoembolization/radiofrequency ablation on management of hepatocellular carcinoma by El dorry, Ahmed Kaml, Shaker, Mohammed Kamal, EL-Fouly, Nevien Fouad, Hussien, Ahmed, El-Folly, Runia Fouad, El Fouly, Amr Hafez, Abd El Tawab, Karim

“…BACKGROUNDOne of the most widespread cancer-associated death worldwide is Hepatocellular carcinoma. Concerning hepatic malignant tumor staging system known as…”
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Single-Injection Percutaneous Peribulbar Anesthesia with a Short Needle as an Alternative to the Double-Injection Technique for Cataract Extraction by Ghali, Ashraf M., Hafez, Amr

“…We evaluated the efficacy of a single-injection technique for percutaneous peribulbar anesthesia with a short needle as an alternative to the double-injection…”
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Analysis and Design of Superharmonic Injection-Locked Multipath Ring Oscillators by Hafez, A. A., Chih-Kong Ken Yang

“…Frequency dividers can be modeled as superharmonic injection-locked oscillators. We propose a general model for ring-oscillator based dividers. Theoretically,…”
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