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Preparation, morphology and sonication time dependence of silver nanoparticles in amphiphilic block copolymers of PEO with polystyrene or PMMA
Imad Ud-Din, Mohsan Nawaz, Gareth Price, Musa Kaleem Baloch, Masroor Ahmad Bangesh, Wajid Rehman, Hameed Ullah, Saeed Ahmad
Sep 01, 2017
Composite materials comprising arrays of silver nanoparticles in amphiphilic copolymers have been prepared by sonochemically enhanced borohydride reduction of precursor silver nitrate (AgNO3). The precursor was incorporated into...
Sir Syed Ahmad Khan
Lubna Irfan
Feb 19, 2020
The field of historical archaeology has been developed extensively in the modern period, specifically in the 20th century. Despite this, it is seen that the method and technique of historical archaeology has been put to use by...
Sir Syed Ahamd Khan Historical Archaeology Asar-us-Sanadeed Surveys Architecture Mughal history Delhi History of Delhi History
Published by: Department of History, University of Karachi
Preparation, morphology and sonication time dependence of silver nanoparticles in amphiphilic block copolymers of PEO with polystyrene or PMMA
Imad Ud-Din, Mohsan Nawaz, Gareth Price, Musa Kaleem Baloch, Masroor Ahmad Bangesh, Wajid Rehman, Hameed Ullah, Saeed Ahmad
Sep 01, 2017
Composite materials comprising arrays of silver nanoparticles in amphiphilic copolymers have been prepared by sonochemically enhanced borohydride reduction of precursor silver nitrate (AgNO3). The precursor was incorporated into...
Impact of Stress on Mental Health
Around 10.7 % of the world population lives with a mental disorder, the most common mental disorders are anxiety and depression. It is estimated that out of 10.7%, around 3.9% live with anxiety, and 3.5 % suffer from depression....
Published by: Department of History, University of Karachi
COVID-19
For the last few decades, the business practices have primarily been focusing on the green and sustainable practices that mainly focus on the preservation of the environment and correspond to corporate social responsibility. But...
Published by: IGI Global Scientific Publishing
How important is the financial sector to price indices in an inflation targeting regime? An empirical analysis of the UK and the US
This paper investigates whether there are benefits in terms of higher economic stability from incorporating stock prices into the price index targeted by the central banks. It also looks into the question of whether central...
How important is the financial sector to price indices in an inflation targeting regime? An empirical analysis of the UK and the US
This paper investigates whether there are benefits in terms of higher economic stability from incorporating stock prices into the price index targeted by the central banks. It also looks into the question of whether central...
Threshold cointegration and the short-run dynamics of twin deficit hypothesis in African countries
This paper examines the relationship between the fiscal deficit and the current account deficit using the threshold cointegration approach of Hansen and Seo (2002). Using quarterly data for nine African countries for the...
Threshold cointegration and the short-run dynamics of twin deficit hypothesis in African countries
This paper examines the relationship between the fiscal deficit and the current account deficit using the threshold cointegration approach of Hansen and Seo (2002). Using quarterly data for nine African countries for the...
Comparative study of the modification of multi-wall carbon nanotubes by gamma irradiation and sonochemically assisted acid etching
Multi-walled carbon nanotubes (CNTs) have been treated with gamma irradiation in air or by using dilute acids (H 2SO 4/HNO 3) combined with 20 kHz ultrasound to compare their effects. The CNT...
Eco-friendly synthesis and catalytic application of chitosan/gold/carbon nanotube nanocomposite films
Novel eco-friendly chitosan nanocomposite membranes containing gold nanoparticles and carbon nanotubes (CNTs) have been synthesized. The catalytic activity of the nanocomposites was explored using a model reduction reaction of...
A Study of Bluetooth Low Energy performance for human proximity detection in the workplace
The ability to detect and distinguish interactions in the workplace can shed light over productivity, team work and on employees’ use of space. Questionnaires and direct observations have often been used as mechanisms to...
Determinants and Outcomes of Food Delivery App Engagement During COVID-19
With the expansion of internet penetration and the adoption of mobile apps, usage of food delivery applications has increased significantly during the pandemic. The study's main objective was to examine the antecedents and...
Published by: IGI Global Scientific Publishing
Sonochemical Modification of Carbon Nanotubes for Enhanced Nanocomposite Performance
Multi-walled carbon nanotubes (CNTs) have been treated using 20 kHz ultrasound in combination with dilute nitric and sulfuric acids at much lower concentrations than previously reported. The measurements revealed an optimum set...
20 kHz ultrasound carbon nanotube Chitosan Nanocomposite Sonication /dk/atira/pure/subjectarea/asjc/1500/1501 name=Chemical Engineering (miscellaneous) /dk/atira/pure/subjectarea/asjc/2700/2741 name=Radiology Nuclear Medicine and imaging /dk/atira/pure/subjectarea/asjc/3100/3102 name=Acoustics and Ultrasonics
Opinions on Content That Are Extremely Controversial on the Indonesian Twitter
The influence of media technology extends beyond their importance to human existence, to the point where they are being utilized to disseminate revolutionary propaganda in the form of hate speech. According to McLuhan's idea...
Published by: Indonesia Strategic Sustainability
Sonochemical Modification of Carbon Nanotubes for Enhanced Nanocomposite Performance
Multi-walled carbon nanotubes (CNTs) have been treated using 20 kHz ultrasound in combination with dilute nitric and sulfuric acids at much lower concentrations than previously reported. The measurements revealed an optimum set...
20 kHz ultrasound carbon nanotube Chitosan Nanocomposite Sonication /dk/atira/pure/subjectarea/asjc/1500/1501 name=Chemical Engineering (miscellaneous) /dk/atira/pure/subjectarea/asjc/2700/2741 name=Radiology Nuclear Medicine and imaging /dk/atira/pure/subjectarea/asjc/3100/3102 name=Acoustics and Ultrasonics
Ultrasound Promoted Synthesis and Properties of Chitosan Nanocomposites Containing Carbon Nanotubes and Silver Nanoparticles
A rapid and facile method to prepare functional chitosan nanocomposite films incorporating silver nanoparticles (AgNPs) has been developed using ultrasound assisted in-situ synthesis, dispersion and crosslinking. Addition of...
Lightweight aggregates as carriers for phase change materials
This paper initially reports on development of lightweight aggregates impregnated with phase change material (LWA-PCM), for application in mortars, plasters and other building materials. This is followed by a study into the...
phase change material Lightweight aggregates Energy efficiency Cement mortar /dk/atira/pure/subjectarea/asjc/2200/2205 name=Civil and Structural Engineering /dk/atira/pure/subjectarea/asjc/2200/2215 name=Building and Construction /dk/atira/pure/subjectarea/asjc/2500/2500 name=General Materials Science /dk/atira/pure/sustainabledevelopmentgoals/affordable_and_clean_energy name=SDG 7 - Affordable and Clean Energy
The Impact Of Ethical Context On Employees In-Role Performance And Citizenship Behavior In Telecom Sector Of Pakistan
The research purpose was to find out the influence of ethical context on certain employees’ behaviors (OCB-I, OCB-O In-role performance) working in the largest telecom companies of Pakistan. The most valuable asset for an...
Published by: Indonesia Strategic Sustainability
The Mongol Invasion of Kashmir
Sameer Ahmad Sofi
Dec 21, 2019
Medieval period of Kashmir history is the most neglected part of Indian History. This paper is an attempt to remove the confusion, with the support of the original contemporary sources, regarding Mongol invasion of Kashmir....
Published by: Department of History, University of Karachi
The Nakba Continues
Drawing on postcolonial and settler-colonial studies, this article accounts for the settler-colonial nature of the Jewish state, which is founded on the cadastral displacement and effacement of Palestinians, who are dehumanized...
Published by: Memorial University of Newfoundland
Extracting Human-Exoskeleton Interaction Torque for Cable-Driven Upper-Limb Exoskeleton Equipped With Torque Sensors
Powered exoskeletons have global trends in broad applications, such as rehabilitation and human strength amplification in industry, military, and activities of daily livings. The motion intention of the exoskeleton wearer can...
cable-driven mechanism Exoskeletons FRICTION friction modeling human-exoskeleton interface (HEI) joint torque sensor Mechanical sensors Robot sensing systems robots Sensors Torque upper-limb exoskeleton /dk/atira/pure/subjectarea/asjc/2200/2207 name=Control and Systems Engineering /dk/atira/pure/subjectarea/asjc/1700/1706 name=Computer Science Applications /dk/atira/pure/subjectarea/asjc/2200/2208 name=Electrical and Electronic Engineering
Extracting Human-Exoskeleton Interaction Torque for Cable-Driven Upper-Limb Exoskeleton Equipped With Torque Sensors
Powered exoskeletons have global trends in broad applications, such as rehabilitation and human strength amplification in industry, military, and activities of daily livings. The motion intention of the exoskeleton wearer can...
cable-driven mechanism Exoskeletons FRICTION friction modeling human-exoskeleton interface (HEI) joint torque sensor Mechanical sensors Robot sensing systems robots Sensors Torque upper-limb exoskeleton /dk/atira/pure/subjectarea/asjc/2200/2207 name=Control and Systems Engineering /dk/atira/pure/subjectarea/asjc/1700/1706 name=Computer Science Applications /dk/atira/pure/subjectarea/asjc/2200/2208 name=Electrical and Electronic Engineering
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