Siraj Uddin

ORCID: 0000-0003-4267-4102
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About
Contact & Profiles
Research Areas
  • Electrochemical sensors and biosensors
  • Electrochemical Analysis and Applications
  • Analytical Chemistry and Sensors
  • Advanced biosensing and bioanalysis techniques
  • Nanomaterials for catalytic reactions
  • Nanoparticles: synthesis and applications
  • Advanced Nanomaterials in Catalysis
  • Conducting polymers and applications
  • Legal Studies and Policies
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Advanced Chemical Sensor Technologies
  • Molecular Sensors and Ion Detection
  • Heavy Metal Exposure and Toxicity
  • Edible Oils Quality and Analysis
  • Advanced Photocatalysis Techniques
  • SMEs Development and Digital Marketing
  • Analytical chemistry methods development
  • Biosensors and Analytical Detection
  • Public Health and Nutrition
  • Analytical Methods in Pharmaceuticals
  • Gas Sensing Nanomaterials and Sensors
  • Islamic Finance and Communication
  • Analytical Chemistry and Chromatography
  • Thyroid Disorders and Treatments
  • Thermochemical Biomass Conversion Processes

University of Karachi
2019-2025

International Center for Chemical and Biological Sciences
2019-2024

University of Peshawar
2020-2024

Politeknik Kesehatan Kemenkes Semarang
2023-2024

Sultan Ageng Tirtayasa University
2018-2024

Universitas Islam Makassar
2021-2024

University of Muhammadiyah Mataram
2024

Quaid-i-Azam University
2016-2024

Indian Veterinary Research Institute
2024

Politeknik Negeri Samarinda
2020-2023

Due to their versatile applications, ZnONPs have been formulated by several approaches, including green chemistry methods. In the current study, convenient and economically viable were produced using Elaeagnus angustifolia (EA) leaf extracts. The phytochemicals from E. L. are believed serve as a non-toxic source of reducing stabilizing agents. physical chemical properties investigated employing varying analytical techniques (UV, XRD, FT-IR, EDX, SEM, TEM, DLS Raman). Strong UV-Vis absorption...

10.1038/s41598-021-99839-z article EN cc-by Scientific Reports 2021-10-25

Titanium metal-organic frameworks (Ti-MOFs), as an appealing type of artificial photocatalyst, have shown great potential in the field solar energy conversion due to their well-studied photoredox activity (similar TiO2 ) and good optical responsiveness linkers, which serve antenna absorb visible-light. Although much effort has been dedicated developing Ti-MOFs with high photocatalytic activity, performances are still poor. Herein, we implemented a covalent-integration strategy construct...

10.1002/anie.202114071 article EN publisher-specific-oa Angewandte Chemie International Edition 2021-11-15

In this study, leaves of three indigenous varieties Mulberry namely, Morus alba L., nigra L. and rubra were investigated for their antioxidant potential proximate composition was determined. The yields 80% methanolic extracts ranged between 8.28–13.89%. contents total phenolics (TPC), flavonoids (TFC) ascorbic acid (AA) 16.21–24.37 mg gallic equivalent (GAE)/g, 26.41–31.28 rutin (RE)/g 0.97–1.49 mg/g, respectively. activity leaf evaluated by measuring 1,1-diphenyl-2-picrylhydrazyl (DPPH•)...

10.3390/ijms13066651 article EN International Journal of Molecular Sciences 2012-05-30

Block diagram of the methods covered in review for assessment free fatty acids oils and fats.

10.1039/c4ay00344f article EN Analytical Methods 2014-01-01

The objective of this study was to evaluate the association between trace and toxic elements zinc (Zn), cadmium (Cd), nickel (Ni) lead (Pb) in biological samples (scalp hair, blood urine) smoker nonsmoker hypertensive patients (n=457), residents Hyderabad, Pakistan. For purpose comparison, age-matched healthy controls were selected as referents. concentrations measured by atomic absorption spectrophotometer prior microwave-assisted acid digestion. validity accuracy methodology checked using...

10.1038/jhh.2009.39 article EN cc-by-nc-nd Journal of Human Hypertension 2009-05-21

Chemically nickel oxide nanoparticles (NiONPs) involve the synthesis of toxic products, which restrict their biological applications. Hence, we developed a simple, eco-friendly, and cost-efficient green chemistry method for fabrication NiONPs using fresh leaf broth Rhamnus triquetra (RT). The RT leaves was used as strong reducing, capping, stabilizing agent in formation RT-NiONPs. color change solution from brown to greenish black suggests RT-NiONPs further confirmed by absorption band at...

10.3390/biomedicines8050117 article EN cc-by Biomedicines 2020-05-12

Abstract Green synthesis of nanoparticles using plants has become a promising substitute for the conventional chemical methods. In present study, our aim was to synthesize chromium oxide (Cr 2 O 3 NPs) through facile, low‐cost, eco‐friendly route leaf extract Rhamnus virgata (RV). The formation Cr NPs confirmed and characterized by spectroscopic profile UV–Vis, EDX, FTIR, XRD analyses. UV‐visible spectroscopy change color owing surface plasmon resonance. bioactive functional groups in RV...

10.1002/jemt.23460 article EN Microscopy Research and Technique 2020-03-14

Abstract A differential pulse voltammetric (DPV) method was developed for the determination of 4‐nitrophenol (4‐NP) at a newly silver amalgam paste electrode (AgA‐PE) in Britton–Robinson buffer pH 3.0. The is based on disposable plastic pipette tip filled with mixture mercury and fine powder (9 : 1, w/w). experimental parameters, such as activation regeneration potential surface were optimized. reduction peak current dependences linear concentration 4‐NP from 0.2 to 100 μM. showed...

10.1002/elan.200904622 article EN Electroanalysis 2009-08-01

In this work, a highly sensitive non-enzymatic glucose sensor was developed based on NiO hollow cage-like nanostructures (NiO HCs).

10.1039/c4ra15858j article EN RSC Advances 2015-01-01

Abstract In the present study, green silver nanoparticles (Ag 2 ONPs) were prepared from aqueous and ethanolic leaves extract of Rhamnus virgata in a facile, green, cost‐effective, eco‐friendly way. The color changes light brown to brownish black determined synthesis Ag ONPs (Aq) (Et) . phytofabrication was confirmed using various spectroscopic microscopic techniques: energy‐dispersive X‐ray spectroscopy, dynamic scattering, ultraviolet–visible Fourier‐transform infrared, powder diffraction,...

10.1002/jemt.23522 article EN Microscopy Research and Technique 2020-07-14

Oil blending is the method of choice used worldwide to improve oxidative stability and nutritional value. There no such edible oil/fat that meets all recommendations from health point view. The fatty acid composition vegetable oils decides fate oil. Pure single oil unable provide a balanced amount acids (FAs) required/recommended on daily intake basis. Blending oils/fats an appropriate procedure physically mixing multiple in suitable proportions which may functional lipids with improved...

10.1016/j.gaost.2024.05.001 article EN cc-by-nc-nd Grain & Oil Science and Technology 2024-05-03
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