Nazar Hussain Kalwar

Nazar Hussain Kalwar
  • Post Doc. Selcuk University Konya, Turkey
  • Professor (Assistant) at Shah Abdul Latif University

About

49
Publications
12,479
Reads
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908
Citations
Introduction
Assistant Professor in Chemistry at Institute of Chemistry Saha Abdul Latif University Khairpur, Pakistan
Current institution
Shah Abdul Latif University
Current position
  • Professor (Assistant)
Additional affiliations
December 2017 - May 2018
Shah Abdul Latif University
Position
  • Professor (Assistant)
July 2007 - November 2013
University of Sindh
Position
  • Senior Researcher

Publications

Publications (49)
Article
Full-text available
Sensitive and reliable detection of the amlodipine (AML) drug in biological and environmental samples poses a significant challenge, necessitating the development of innovative electrode platforms. Herein, efficient anodes (CuO@ITO) were constructed for the direct electrochemical detection of AML in phosphate buffer saline (PBS) by growing CuO nano...
Article
Full-text available
This research article explores the multifaceted concept of crimes against humanity through the lens of international human rights, examining its historical origins, legal framework, and contemporary challenges. Tracing the evolution from the aftermath of World War II to the establishment of the International Criminal Court (ICC), the paper emphasiz...
Article
This research investigates the determinants of e-learning performance in private educational institutions in the Sindh region. Employing a quantitative methodology, the study utilized a closed-ended questionnaire for data collection. The survey was conducted at five private universities in Sindh with a focus on their experiences with e-learning imp...
Article
The study will help to explain the impact of psychological empowerment on employee turnover intention and their emotional intelligence. This study is conducted on the Banking employees of the HLB and ABL, the Commercial banks of Sukkur city. All branch employees were targeted, which includes General manager, Area Manager, Relationship officer, Cash...
Article
Full-text available
The achievement of robust employee performance (EP) is a critical issue for every organization due to its significant contribution to organizational success. This study aims to examine the impact of employee-related factors on EP at private banks in Sindh, Pakistan. The researchers used quantitative methods to obtain data from private banks in Sind...
Article
Full-text available
The present research study was carried out to collect the evidences of the climate change impact on the local communities of district Khairpur and to understand the views of people how they experience the climate change impact on their lives. The current study was undertaken employing the qualitative research methodology with a small sample size of...
Article
Full-text available
Growing pollution has affected our world badly and has led many consumers to rethink their buying behavior today. Many consumers prefer to buy organic products instead of non-organic ones to reduce the negative environmental impact of non-organic products. While environmental awareness has often been recognized as a direct factor of environmental p...
Article
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The objective of this research article is to analyze the effectiveness of the regulations outlined in the United Nations Convention on the Law of the Sea (UNCLOS) 1982 in preventing marine pollution caused by garbage from ships. Marine pollution threatens oceans and UNCLOS 1982 regulates ship garbage to prevent it. UNCLOS 1982's effectiveness in pr...
Article
Full-text available
This research article aims to analyze the legal guarantees against mob justice, specifically in relation to blasphemy laws in Pakistan and international human rights standards. The study utilizes a qualitative research methodology by examining the constitutional guarantees against mob justice in Pakistan and the international human rights laws that...
Article
Full-text available
This paper examines how aging society affects human resources rating. Based on a sample consisting of 195 countries from 1990-2019, an inverted U-shaped relationship is found between aging society and human resources rating. As long as the aging people do not prove to be a burden on national exchequer, they may improve human resources rating owing...
Article
Full-text available
Organic synthetic dyes have been extensively used in the leather, textile, rubber, plastic and paper industries. The excessive exploitation of organic dyes especially Eosin Y (EY) have serious effects on the human life because these dyes are non-biodegradable, toxic and carcinogenic in nature. Thus, removal of EY from aqueous environment through re...
Article
The present research study was carried out to collect the evidences of the climate change impact on the local communities of district Khairpur and to understand the views of people how they experience the climate change impact on their lives. The current study was undertaken employing the qualitative research methodology with a small sample size of...
Article
Full-text available
The present research study was carried out to collect the evidences of the climate change impact on the local communities of district Khairpur and to understand the views of people how they experience the climate change impact on their lives. The current study was undertaken employing the qualitative research methodology with a small sample size of...
Article
Full-text available
The main theme of this study is how the Rome Statute was created and why, even though article 5 of the ICC Statute brought the prosecution of crimes of aggression under its purview, the court's jurisdiction over such crimes was postponed. In addition, the Special Working Group on the Crime of Aggression (SWGCA), which was particularly influenced by...
Article
Full-text available
The major purpose of this study was to empirically analyze the impact of enterprise development and entrepreneur development on Women's Empowerment. The present study was conducted in the city of Khairpur Mirs. The Data were collected through a questionnaire from the owners of small business setups. This includes those respondents who have a small...
Article
Full-text available
Purpose:This study aims to identify the impact of ethical leadership on organizational citizenship behavior and innovative behavior Methodology:The self-explanatory questionnaires were distributed to the real-time employees of the services sector (more specifically university employees) in Pakistan. 350 questionnaires were distributed using the con...
Article
Full-text available
This study represents a simple and facile method for the fabrication of gold nanoparticles (AuNPs) using Cephradine (Cep) drug as a capping agent. Synthesized Cep-AuNPs have been characterized using different modern analytical techniques such as UV–Vis spectroscopy, X-ray diffractometry, and Atomic Force Microscopy. The estimated average size of sy...
Article
Full-text available
Synthesis of Ag, Ni, Cu metallic and Ag/Ni, Ag/Cu bimetallic nanoparticles (NPs) was carried out by using metal nitrate salts as precursors via an easy and simple wet chemical method, and the synthesized NPs were loaded into the cavities of ZSM-5 zeolite framework. L-threonine was used as a capping agent and sodium borohydride as a reducing agent....
Article
Nanostructured materials find a number of applications due to their inimitable physical and chemical properties. In the current work copper oxide nanoparticles (CuO NPs) and surfactant assisted CuO nanoparticles were synthesized via a simple precipitation method from corresponding copper salts. Triton X-100 and cetyl alcohol were used as surfactant...
Chapter
Integration of nano-materials within an electrochemical system has led to development of highly sophisticated devices with primary aim of sensing various analysts. The introduction of nano-sized transducers has improved the sensitivities of conventional sensors and directed new pathways for diverse applications. In this context, a new paradigm shif...
Article
Interfacial charge-carrier recombination is a bottle-neck issue restricting photoelectrochemical biosensors advancement in the wearable clinical electronics. In this study, we propose a simple approach to construct a highly efficient photoactive heterojunction capable of functioning as an active substrate in PEC biosensing of CD44 proteins. Taking...
Article
Full-text available
Procalcitonin (PCT) protein has recently been identified as a clinical marker for bacterial infections based on its better sepsis sensitivity. Thus, an increased level of PCT could be linked with disease diagnosis and therapeutics. In this study, we describe the construction of the photoelectrochemical (PEC) PCT immunosensing platform based on it s...
Article
The study explores carbon quantum dots (C-dots) as potential candidates for enhancing the signal sensitivity of an electrochemical sensor devised for biologically important molecule, such as uric acid (UA). The C-dots were evaluated for their electrochemical characteristics in combination with Fe3O4 nanoparticles (Fe3O4 NPs), which were applied as...
Article
Full-text available
The study demonstrates an efficient, simple and on-site viable approach for sensitive determination of blood glucose using colorimetric sensing approach. The devised colorimetric sensor works based on cysteine functionalized silver nanoparticles. The as-synthesized Ag NPs were elaborately characterized using advanced analytical techniques such as u...
Article
This study explores the potential of a newly-developed indium tin oxide (ITO) based electrode for the development of an electro-catalytic inhibition sensor system for organophosphorus pesticides. The sensor relies on the redox signal inhibition of pralidoxime chloride (PAM) immobilised over the pimelic acid functionalised CuO nanostructures grown i...
Article
Full-text available
The study demonstrates the potential application of caffeic acid-functionalized magnetite nanoparticles (CA-Fe3O4 NPs) as an effective electrode modifying material for the electrochemical oxidation of the 6-thioguanine (6-TG) drug. The functionalized Fe3O4 NPs were prepared using simple wet-chemical methodology where the used caffeic acid acted sim...
Article
This study describes the hydrothermal synthesis of NiO, CuO and Co3O4 nanostructures using acetylsalicylic acid (ASA) as a growth-controlling/directing agent. The as-synthesised nanostructures were shown to possess unique structural features and distinct morphologies, portraying the efficiency of ASA as a suitable growth modifier. The formed metal...
Article
Full-text available
The study describes a new approach for the direct electro-oxidation of captopril (CAP) drug using a CuO modified ITO electrode. The modified ITO electrode consists of an in situ grown film which accommodates dense CuO nanostructures with morphological features similar to flowers. The in situ growth over the ITO substrate was achieved using a simple...
Article
Full-text available
This report demonstrates a facile and green fabrication method for the nickel nanoparticles using L-lysine as an efficient protecting agent. The application of green amino acid (L-lysine) enabled formation highly spherical and well-dispersed nanoparticles with average diameter in the range of 10 ±2.5 nm. UV-Vis spectroscopy was used as a primary to...
Article
In this study a simple, inexpensive and efficient route is proposed to synthesise attractive cobalt oxide (Co3O4) nanostructures using glycine as an effective growth controller and regulator. The as-synthesised Co3O4 nanostructures were observed to possess unique nanoflake shape morphological features with highly dense distribution. The formation o...
Article
The study reports the synthesis of cobalt oxide (Co3O4) nanostructures and their application in enzyme free electrochemical sensing of glucose. The synthesized nanostructures were elaborately characterized via number of analytical techniques including scanning electron microscopy, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and...
Article
Full-text available
The study describes the application of oxidation resistant copper nanostructures as an efficient heterogeneous catalyst for the treatment of organic dye containing waste waters. Copper nanostructures were synthesized in an aqueous environment using modified surfactant assisted chemical reduction route. The synthesized nanostructures have been chara...
Article
The present study describes a simple and efficient approach for the synthesis of pure metallic nickel nanoparticle (Ser-Ni NPs) in aqueous phase using L-serine as a capping agent. The as-synthesized Ni NPs were elaborately studied for optical, morphological, compositional and structural characteristics using UVVisible Spectroscopy, Transmission ele...
Article
This report demonstrates a novel, simple and efficient protocol for the synthesis of copper nanoparticles in aqueous solution using l-cysteine as capping or protecting agent. UV-visible (UV-vis) spectroscopy was employed to monitor the LSPR band of l-cysteine functionalized copper nanoparticles (Cyst-Cu NPs) based on optimizing various reaction par...
Article
Full-text available
The present study describes the synthesis of highly active and ordered structures of nickel nanocatalysts by a facile, green, and economically viable approach. The study reveals efficient catalytic activity for the degradation of a number of toxic organic dyes, such as eosin-B (EB), rose bengal (RB), eriochrome black-T (ECBT), and methylene blue (M...
Data
The aim of this study was to reduce the highly toxic hexavalent chromium Cr(VI) into less toxic chromium Cr(III) species by using nickel nanoparticles (Ni NPs) as catalysts in order to provide safety to the aqueous environment. In the first phase Ni NPs were synthesized in ethylene glycol and capped with l-cysteine by a modified microwave irradiati...
Article
A facile and green seed mediated growth approach for fabrication of well dispersed l-threonine derived nickel nanoparticles (Ni NPs) in an aqueous medium via a modified borohydride reduction method is described. l-Threonine molecules served to organize the nanoscale composites in the form of well dispersed Ni NPs. The basic pH 8.5 was found to favo...
Article
We report a one pot synthesis of mercury nanoparticles (HgNps) from mercuric chloride using hydrazine as a reducing agent and ibuprofen to coat the particles. The particles were synthesized under various conditions of pH and varying mercuric chloride, hydrazine, ibuprofen and sodium hydroxide concentrations. Ibuprofen capped HgNps (Ibu-HgNps) were...
Article
Time dependant synthesis of ibuprofen derived gold nanoflowers/nanotructures (Ibu-AuPNFs/Ibu-AuNSs) was carried out via heating the mixture of ibuprofen and gold chloride (HAuCl4) at constant temperature. Characterization studies revealed the interaction of gold nanoparticles (AuNps) with ibuprofen and the changes in their size and shape. The produ...
Conference Paper
Present study describes synthesis of highly active and ordered nanoscale structures of nickel catalysts. The study reveals efficient catalytic activity for the degradation of toxic and lethal organic dye Eosin-B (EB). The stable colloidal dispersions of ordered nickel nanostructures (Ni NSs) arrays were prepared via modified hydrazine reduction rou...
Article
Full-text available
In the present investigation, we report a new one phase, one pot method for synthesis of 3.5 ± 0.7 nm average sized gelatin capped gold nano particles (Gel-AuNPs) using strong reductant NaBH4 in aqueous system at room temperature. Size controlled Gel-AuNPs were characterized by UV-Visible, STEM, XRD, DLS and FT-IR. Spherical Gel-AuNPs showed excell...

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