scispace - formally typeset
N

Nisar Ullah

Researcher at King Fahd University of Petroleum and Minerals

Publications -  148
Citations -  2500

Nisar Ullah is an academic researcher from King Fahd University of Petroleum and Minerals. The author has contributed to research in topics: Chemistry & Adsorption. The author has an hindex of 21, co-authored 124 publications receiving 1548 citations. Previous affiliations of Nisar Ullah include University of Sargodha & University of Karachi.

Papers
More filters
Journal ArticleDOI

Nanomaterials-based electrochemical detection of heavy metals in water: Current status, challenges and future direction

TL;DR: In this paper, a detailed account of recent progress in the development of nanomaterial-based electrochemical sensors for the detection of heavy metals in real water samples from 2013 onwards is provided.
Journal ArticleDOI

Nanomaterial-based optical chemical sensors for the detection of heavy metals in water: Recent advances and challenges

TL;DR: In this article, a review of the recent progress in the design of nanomaterial-based sensors for the detection of heavy metals using various sensing strategies is presented, focusing on the optical sensors focused and discussed in the review include fluorescent, surface enhanced Raman scattering and surface plasmon resonance sensors.
Journal ArticleDOI

Enantioselective Phosphine-Catalyzed Formal [4+4] Annulation of α,β-Unsaturated Imines and Allene Ketones: Construction of Eight-Membered Rings

TL;DR: This work marks the first efficient asymmetric construction of optically enriched eight-membered rings by phosphine catalysis, in excellent yields and with nearly perfect enantioselectivities.
Journal ArticleDOI

Hematite and Magnetite Nanostructures for Green and Sustainable Energy Harnessing and Environmental Pollution Control: A Review

TL;DR: The literature collection and discussion on the critical assessment of reserving the environmental sustainability challenges provided in this review will be useful not only for experienced researchers but also for novices in the field.
Journal ArticleDOI

Removal of hazardous dyes, toxic metal ions and organic pollutants from wastewater by using porous hyper-cross-linked polymeric materials: A review of recent advances.

TL;DR: The hyper-cross-linked porous polymers (HCPs) have emerged as an excellent class of porous materials for wastewater treatment due to their unique features of high surface area, tunability, biodegradability, and chemical versatility as mentioned in this paper.