Shahid Iqbal

Shahid Iqbal
University of Education, Lahore Jauharabad Campus · Chemistry

Dr.

About

123
Publications
90,484
Reads
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4,936
Citations
Citations since 2016
29 Research Items
2870 Citations
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500
Introduction
I am working as Professor in Chemistry at University of Education, Jauharabad Campus, Pakistan. I did my Masters from QAU, Islamabad. Doctorate from National Center of Excellence in Analytical Chemistry and post-doc from Universiti Putra Malaysia. I have be awarded Research and Productivity Award by Govt of Pakistan for continuous 3 years and Best Researcher Award by University of Sargodha. I have published 90+ papers in international journal of repute and have got 2 patents granted.
Additional affiliations
September 2005 - present
University of Sargodha
Position
  • Professor (Assistant)
Position
  • Teaching Chromatographic Methods
Position
  • Spectroscopic Techniques
Education
October 2002 - November 2007
University of Sindh
Field of study
  • Analytical Chemistry

Publications

Publications (123)
Article
Full-text available
The novel Aerva javanica absorbent was applied for the removal of thirteen selected metal ions from a distilled water solution of each metal by the batch adsorption method. The optimization remediation parameters of the metal ions for the batch adsorption approach were developed, which were the initial concentrations (60 ppm), contact time (60 min)...
Article
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In this work, removal of chromium (VI) using alkali-treated composted peels of lemon (Citrus limonum), mango (Mangifera indica), water melon (Citrullus lanatus), and melon (Cucumis melo) has been studied in batch mode. Physico-chemical characteristics of each sorbent material were determined together with their subsequent characterization by scanni...
Article
Full-text available
Three forms of Saccharum munja had been utilized for a comparison among uptake of chromium metal from aqueous media. Scanning electron microscope characterization of sorbents revealed microporous and tubular structure in modified nanomaterial. Fourier transform infrared analysis explored different surface attaching ionic groups like hydroxyl, carbo...
Article
A pot experiment was conducted to evaluate the effect of various treatments of poultry manures (0%, 25%, 50%, 75% and 100%) on the nutritional status of two maize hybrids ( Pearl and MMRI). It is evident from the results that nutritional status of both maize was significantly improved by growing in soil amended with 50% and 75% of poultry manure as...
Article
Full-text available
Iron–copper bimetallic nanoparticles (Fe-Cu BNPs) were prepared via a green synthesis route. Ixora finlaysoniana has been used in this study as a capping and stabilizing agent in the modification of Fe-Cu BNPs. As-synthesized BNPs were characterized using different techniques including UV/Vis spectrophotometry, FTIR, XRD and SEM. A particle size an...
Article
Citation: Younas, U.; Hassan, S.T.; Ali, F.; Hassan, F.; Saeed, Z.; Pervaiz, M.; Khan, S.; Jannat, F.T.; Bibi, S.; Sadiqa, A.; et al. Radical Scavenging and Catalytic Activity of Fe-Cu Bimetallic Nanoparticles Synthesized from Ixora finlaysoniana Extract. Coatings 2021, 11, 813. https://
Article
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In order to conserve the energy used for remediation of harmful metals from aqueous media, an adsorption process was performed. It is efficient and low-cost method with zero carbon emissions as compared to other methods. A hematite-based novel nanomaterial loaded onto biochar was utilized for the remediation of toxic cadmium metal ions from aqueous...
Article
Momordicacharantia L. belongs to the family Cucurbitaceae. This plant has widely been reported for use in traditional medical systems for the treatment of diabetes, rheumatism, intestinal gas and malaria. The ethnicity of M. charantiais Asia, Africa and some parts of Europe where it is considered edible. Sewage sludge, a by-product of waste water t...
Article
Momordicacharantia L. belongs to the family Cucurbitaceae. This plant has widely been reported for use in traditional medical systems for the treatment of diabetes, rheumatism, intestinal gas and malaria. The ethnicity of M. charantiais Asia, Africa and some parts of Europe where it is considered edible. Sewage sludge, a by-product of waste water t...
Article
This study presents the use of Citrullus lanatus peels for the removal of Cd(II) and Pb(II) using batch mode. Their chemically modified acid and base treated forms were utilized for biosorption studies by optimizing all parameters. Results indicated that base modified Citrullus lanatus peels were more effective for removal of these metal ions. Remo...
Article
The variation in antioxidant capacity of Vigna unguiculata was determined by carrying out a pot experiment in pure and amended soil. The soil amendments were done with various percentages of sewage sludge, and the suitable percentage of sewage sludge in the soil was assessed for agricultural purpose. V. unguiculata was grown in separate pots with v...
Article
Full-text available
Poor availability is the major barrier to accept the new smart gel system as a preferred ophthalmic solution for various eye problems. Smart gel system especially derived from natural source allows the rapid transition of ocular solution into gel form upon contact to tear solution. The present experimental scheme was intended to prepare and charact...
Article
Full-text available
In this work, removal of fluorescein and eosin dyes using common agrowaste, i.e., peels of water melon (Citrullus lanatus) (WMP), has been studied in the batch mode. e sorbent material (WMP) was characterized by using scanning electron microscopy, Fourier transform infrared spectroscopy, thermogravimetric analysis, and elemental analysis. e sorbent...
Article
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The aim of study was to find an effective way of managing growth of lesser canary grass (Phalaris minor) in wheat fields. Sixteen formulations (F1-F16) were prepared by combining the aqueous extracts of sunflower (Helianthus annuus) and neem (Azadirachta indica) in specific ratios (10-40%). Remarkable allelopathic potential was exhibited by improve...
Article
Disposal of sewage sludge is a critical issue worldwide for the environmentalists. There are many methods for its disposal. The most suitable and economical method is its land application. Lagenaria siceraria L. plant was grown in various amendments of soil and sewage sludge to check the tolerance of the plant and to select the optimized mixin...
Article
Trianhtema portulacastrum (T. portulacastrum) herb is used for therapy of different diseases. The possibility of obtaining bioactive compounds from Pakistani T. portulacastrum herb using soxhlet extraction technique and identification with GC‐MS is shown for the first time here. Maximum yield of 20.33% of biologically active compounds extracts was...
Article
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Herbal industry of developing countries is facing several technical issues related to the extraction conditions in order to attain the maximum yield of a plant extract with maximum therapeutic attributes. Therefore the present study was aimed to investigate the best technique for respective herbal products. The effect of three different extraction...
Article
Full-text available
Reports about presence and toxicity of Cd ²⁺ in different chemical industrial effluents prompted the researchers to explore some economical, rapid, sensitive, and accurate methods for its determination and removal from aqueous systems. In continuation of series of investigations, adsorption of Cd ²⁺ onto the stem of Saccharum arundinaceum is propos...
Data
Figures 1s–4s: effect of different parameters (contact time, pH, initial concentration of cadmium, and temperature) which were adjusted during adsorption for maximum removal of cadmium from aqueous media. Figures 5s–9s: graphical results of isothermal study. Data derived from these figures are present in Table 4 of the main manuscript. Figure 10s:...
Article
Batch adsorption experiments were conducted to evaluate efficiency of lemon peels (Citrus limonum) for adsorption of Acid Red-87 dye from aqueous media. The effects of various parameters, i.e. particle size, pH, sorbent dose, sorbate concentration, temperature, contact time and agitation speed on biosorption efficiency were optimized. Isotherm mode...
Article
The present study describes Quantitative Structure Property Relationship (QSPR) modeling to relate metal ions characteristics with adsorption potential of Ficus carica leaves for 13 selected metal ions (Ca⁺², Cr⁺³, Co⁺², Cu⁺², Cd⁺², K⁺¹, Mg⁺², Mn⁺², Na⁺¹, Ni⁺², Pb⁺², Zn⁺², and Fe⁺²) to generate QSPR model. A set of 21 characteristic descriptors wer...
Article
Full-text available
In this study, effluents from four different fertilizer industrial units, producing different fertilizers have been analyzed for various physicochemical features. The color, odour, temperature, pH, electrical conductivity (EC), total dissolved solids (TDS), Biochemical oxygen demand (BOD), chemical oxygen demand (COD), chloride (Cl⁻), fluoride (F⁻)...
Article
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Biodiesel is now-a-days recognized as a real potential alternative to petroleum-derived diesel fuel due to its number of desirable characteristics. However, its higher production cost resulting mainly due to use of costly food-grade vegetable oils as raw materials is the major barrier to its economic viability. Present work is an attempt to explore...
Article
Effluents from four different fertilizer industrial units, producing different fertilizers have been analyzed for their physicochemical features. Physical (color, odor, temperature, pH, EC and TDS) and chemical parameters (BOD, COD, Cl1-, F1-, CO32-, HCO31-, NH3, NO¬31-, NO21-, PO43-, SO42-) including metal contents (Na, K, Ca, Mg, Zn, Cr and Pb) w...
Article
Full-text available
The main objective of this research was to conduct a theoretical investigation into the antioxidant properties of chlorogenic acid. Calculations based on the density functional theory were performed using the B3LYP exchange-correlation functional and the 6-311G standard basis set to determine the theoretical parameters, such as bond dissociation en...
Article
Full-text available
Publication details, including instructions for authors and subscription information:Hair and nail samples from young Pakistani adults were separately analyzed for quantification of Cd, Cr, Cu, Ni, Pb, and Zn concentrations. The concentrations of these metals were also analyzed in commonly consumed local foods to evaluate potential correlation of h...
Article
Full-text available
Hepatitis C virus (HCV) infection is a worldwide health problem affecting about 300 million individuals. HCV causes chronic liver disease, liver cirrhosis, hepatocellular carcinoma, and death. Many side effects are associated with the current treatment options. Natural products that can be used as anti-HCV drugs are thus of considerable potential s...
Article
Full-text available
Hair and nail samples from young Pakistani adults were separately analyzed for quantification of Cd, Cr, Cu, Ni, Pb, and Zn concentrations. The concentrations of these metals were also analyzed in commonly consumed local foods to evaluate potential correlation of hair and nail concentrations with diet. Pearson correlation coefficients ranged from 0...
Article
The current study is aimed to determine the antioxidant properties of crude ethanolic extract (CEE) of defatted kenaf seed meal (DKSM) and its derived n-butanol (BF) and aqueous (AqF) fractions. Spectrophotometric assays showed that BF contained the highest amount of phenolic compounds and saponins, followed by CEE and AqF (p < 0.05). Similarly, HP...
Article
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In recent years, much attention has been focused on the antioxidant potential of different phenolic acids. But still no theoretical investigation is reported on the antioxidant potential of Homogentisic and Orsellinic acids. In this study, computational investigation based on the density functional theory (DFT) has been carried out to understand th...
Article
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Thymoquinone (TQ), a bioactive constituent of Nigella sativa Linn (N. sativa) has demonstrated several neuropharmacological attributes. In the present study, the neuroprotective properties of TQ were investigated by studying its anti-apoptotic potential to diminish β-amyloid peptide 1-40 sequence (Aβ1-40)-induced neuronal cell death in primary cult...
Article
Full-text available
Beta amyloid peptide (Aβ) aggregation has been identified as one of the major causes of neurodegenerative processes in Alzheimer's disease (AD). Despite recent improvements in the symptomatic therapy of cholinergic drugs; development of an effective therapeutic approach, that may interfere directly with Aβ aggregation in the central nervous system,...
Article
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In the present study, effect of different supercritical fluid extractor (SFE) operational conditions i.e. pressure (300, 450, 600 bars), flow rate (10.0, 17.5, 25.0 g/min), and intervals of extraction (30, 90, 150 min) at 60 °C on protein content of defatted rice bran (DRB) samples, has been evaluated. The DRB samples were collected from SFE vessel...
Article
In the present study, effect of different supercritical fluid extractor (SFE) operational conditions i.e. pressure (300, 450, 600 bars), flow rate (10.0, 17.5, 25.0 g/min), and intervals of extraction (30, 90, 150 min) at 60 °C on protein content of defatted rice bran (DRB) samples, has been evaluated. The DRB samples were collected from SFE vessel...
Article
Full-text available
Different parts of four edible medicinal plants (Casearia capitellata, Baccaurea motleyana, Phyllanthus pulcher and Strobilanthus crispus), indigenous to Malaysia, were extracted in different solvents, sequentially. The obtained 28 extracts were evaluated for their in vitro anticancer properties, using the MTS assay, on four human cancer cell lines...
Article
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This study was conducted to investigate the chemical and nutritional composition of Artemisia annua leaves in addition to determination of antioxidant potential of their extracts prepared in different solvents. Chemical composition was determined by quantifying fat, protein, carbohydrate, fiber, tocopherol, phytate, and tannin contents. Extraction...
Article
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The influence of both acidic and basic hydrolysis on the yield, total phenolic content and antioxidative capacity of methanolic extract of germinated brown rice (GBR) was studied. Total phenolic content (TPC), total flavonoid content (TFC), 2,2'-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging, 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic a...
Article
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In this study, leaves of three indigenous varieties of Mulberry namely, Morus alba L., Morus nigra L. and Morus rubra L. were investigated for their antioxidant potential and their proximate composition was determined. The yields of 80% methanolic extracts ranged between 8.28-13.89%. The contents of total phenolics (TPC), total flavonoids (TFC) and...
Article
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The present study was conducted to evaluate the antioxidant properties of wheat and rice flours under simulated gastrointestinal pH condition. After subjecting the wheat and rice flour slurries to simulated gastrointestinal pH condition, both slurries were centrifuged to obtain the crude phenolic extracts for further analyses. Extraction yield, tot...
Article
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Sweet potato is known to be rich in healthful antioxidants, but the stability of its antioxidant properties under gastrointestinal pH is very much unknown. Hence, this study aimed to evaluate the changes in antioxidant properties (total contents of phenolics and flavonoids as well as antioxidant activity) of sweet potato flour (SPF) under simulated...
Article
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This study presents the proximate and mineral composition of Peperomia pellucida L., an underexploited weed plant in Malaysia. Proximate analysis was performed using standard AOAC methods and mineral contents were determined using atomic absorption spectrometry. The results indicated Peperomia pellucida to be rich in crude protein, carbohydrate and...
Article
Full-text available
A sequential solvent extraction scheme was employed for the extraction of antioxidant compounds from kenaf (Hibiscus cannabinus L.) seeds. Yield of extracts varied widely among the solvents and was the highest for hexane extract (16.6% based on dry weight basis), while water extract exhibited the highest total phenolic content (18.78 mg GAE/g extra...
Article
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Quantitative structure-retention relationships (QSRRs) have successfully been developed for naturally occurring phenolic compounds in a reversed-phase liquid chromatographic (RPLC) system. A total of 1519 descriptors were calculated from the optimized structures of the molecules using MOPAC2009 and DRAGON softwares. The data set of 39 molecules was...
Article
Cinnamon deodorised aqueous extract (CinDAE) was prepared and evaluated for its total phenolic (315.3 ± 35.4 mg GAE/g) and flavonoid (99.3 ± 9.6 mg RE/g) contents. Stabilizing efficiency of CinDAE, for chicken meatballs, was measured against oxidative deterioration as function of storage time under chilled conditions. For this purpose, oxidative st...
Article
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The title compound, C13H10N2O4, crystallized as the zwitterionic tautomer. As a result, the phenolate C—O− bond [1.296 (2) Å] is shorter than a normal Csp 2—O(H) bond, and the azomethine C=N bond [1.314 (2) Å] is longer than a normal C=N double bond. The mol­ecule is nearly planar, the mean plane of the nitro-substituted benzene ring forming dihedr...
Article
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The neuroprotective and antioxidative effects of germinated brown rice (GBR), brown rice (BR) and commercially available γ-aminobutyric acid (GABA) against cell death induced by hydrogen peroxide (H 2 O 2) in human neuroblastoma SH-SY5Y cells have been investigated. Results show that GBR suppressed H 2 O 2 -mediated cytotoxicity and induced G0/G1 p...
Article
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In the title compound, C 19 H 25 NO 2 , the 3-ethoxy-2-hydroxybenzaldehyde group is almost planar (r.m.s. deviation = 0.029 Å). An intramolecular O—H...N hydrogen bond generates an S (6) ring. There are no intermolecular hydrogen bonds.