Publications by authors named "Wajid Rehman"

The demand for sustainable energy technologies is high due to the depletion and risks linked to fossil fuel usage. Diverse energy technologies, such as regenerative fuel cells, zinc-air batteries, and comprehensive water-splitting devices, possess significant potential for the advancement of green energy. MOFs hold a prominent position among the various kinds of materials utilized in renewable energy technologies.

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This study unveils the rational design and stepwise synthesis of new thiazole-based thiazolidinone Schiff base derivatives (1-15), harnessing 2-amino-5-nitrothiazole as a crucial precursor. These newly synthesized derivatives were structurally characterized through spectroscopic techniques HNMR, CNMR and HREI-MS. Moreover, consider the crucial role of acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) inhibition in Alzheimer's disease (AD) therapy, the synthesized compounds were evaluated for their cholinergic enzyme inhibitory potential against AChE and BuChE, with Donepezil (IC = 5.

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A series of novel 3-chloro-1H-indazole-based 1,3,4-thiadiazole derivatives (1-15) were synthesized, characterized and evaluated for their inhibitory activity against thymidine phosphorylase and α-glucosidase. Several compounds showed potent dual inhibition, with compound 4 exhibiting the highest activity (IC = 4.70 ± 1.

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In this study, a series of newly synthesized indazole-based thiadiazole hybrid derivatives (1-13) were successfully synthesized from indazole-based thiosemicarbazides starting from the 5-methyl-1H-indazole-3-carboxylic acid. The structure of the synthesized compounds were confirmed through different spectroscopic techniques i.e.

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Leukemia is a common cancer that arises in both children and adults when bone marrow's hematopoietic stem cells proliferate unrestrained because of anomalies in normal cell regulatory systems. The present study focused on biological evaluation of oxazole-based oxadiazole scaffolds to evaluate the anti-proliferative effect on leukemic cancer cell lines. All novel oxazole-based oxadiazole scaffolds were synthesized and structurally characterized via C NMR, H NMR, and HREI-MS.

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Alzheimer's disease is a complex and multifactorial brain disorder characterized by gradual memory impairment, cognitive disturbance, and severe dementia, and, ultimately, its progression leads to patient death. This research work presents the design, synthesis, and characterization of novel imidazotriazole-based thiazolidinone derivatives (-), displaying promising anti-Alzheimer's activity. These derivatives were synthesized by using 1-imidazole-2-thiol as a starting reagent.

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Schiff bases are an important scaffold for designing drug development. They are characterized by having a carbon-nitrogen double bond. This double bond is synthesized by different synthetic schemes by both the aromatic and aliphatic chains.

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Aims: Current research work aims to synthesize hybrid compounds with a thiazole-thiazolidinone structure, as potent inhibitors of urease and α-glucosidase enzymes.

Materials And Methods: These compounds were characterize throughHNMR,CNMR and HREI-MS techniques. These compounds were also evaluated for their potential to inhibit urease and α-glucosidase enzymes for the treatment of urinary tract infections (UTIs) and diabetes treatments.

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Inflammation is a complex physiological response associated with the onset and progression of various disorders, including diabetes. In this study, we synthesized a series of diclofenac acid derivatives and evaluated their potential anti-diabetic and anti-inflammatory activities. The compounds were specifically assessed for their ability to inhibit 15-lipoxygenase (15-LOX) and α-glucosidase enzymes.

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Diabetes mellitus (DM) is a disorder which is raised at the alarming level and it is characterized by the hyperglycemia results from the impaired action of insulin, production of insulin or both of these simultaneously. Consequently, it causes problems or failure of different body organs such as kidneys, heart, eyes, nerve system. Since this disease cannot be completely cured until now, we aimed to design series of enzymes inhibitors and tested them for DM treatment.

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Photodynamic Therapy (PDT) has emerged as a highly efficient and non-invasive cancer treatment, which is crucial considering the significant global mortality rates associated with cancer. The effectiveness of PDT primarily relies on the quality of the photosensitizers employed. When exposed to appropriate light irradiation, these photosensitizers absorb energy and transition to an excited state, eventually transferring energy to nearby molecules and generating Reactive Oxygen Species (ROS), including singlet oxygen [O].

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Diabetes mellitus (DM) is a chronic disorder and still a challenge throughout the world, and therefore the search for safe and effective inhibitors for α-amylase and αglucosidase is increasing day by day. In this work, we try to carry out the synthesis, modification, and computer-aided results of and biological research on thiadiazole-based Schiff base derivatives and evaluate their α-amylase and αglucosidase inhibitory potential (-). In the current series, all of the synthesized analogues were shown to have potential inhibitory effects on targeted enzymes.

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New series of benzimidazole incorporating piperazine moieties in single molecular framework has been reported. The structures of the synthesized derivatives were assigned by H-NMR, C-NMR, and HR-MS techniques. The hybrid derivatives were evaluated for their acetylcholinesterase and butyrylcholinesterase inhibition effect.

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The current study involves the synthesis of Schiff bases based on 1,2,4-triazoles skeleton and assessing their α-amylase and α-glucosidase profile. Furthermore, the precise structures of the synthesized derivatives were elucidated using various spectroscopic methods such as H-NMR, C-NMR and HREI-MS. Using glimepiride as the reference standard, the α-glucosidase and α-amylase inhibitory activities of the synthesized compounds were evaluated in order to determine their potential anti-diabetic properties.

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There is a growing interest in developing highly viscous lipid foods using plant protein and polysaccharide gum-based emulsion technology. However, gaps remain in understanding the rheological, microstructural, and digestive properties of plant proteins like soybean protein isolate (SPI) in combination with various gums. This study investigates how combining SPI and peach gum (PG) affects rheology and lipolysis of oil-in-water (O/W) emulsions containing 20 wt% soybean oil.

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Water contamination due to organic pollutants is a challenging issue around the globe, and several attempts have been made to deal with this issue. Out of which, the semiconductor-based photocatalytic process had gained much attention and proved to be an efficient, easy, and economical process for the removal of organic dyes from aqueous solutions. For this purpose, the iron oxide-zirconium dioxide nanocomposite (FeO-ZrO NC) was prepared a simple mechanochemical process using a mortar and pestle, followed by a calcination process at 300, 600, and 900 °C.

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Benzimidazole-based pyrrole/piperidine analogs (-) were synthesized and then screened for their acetylcholinesterase and butyrylcholinesterase activities. All the analogs showed good to moderate cholinesterase activities. Synthesized compounds (-) were screened in cholinesterase enzyme inhibition assays and showed AChE activities in the range of IC = 19.

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Article Synopsis
  • - Diabetes is increasingly common and results from imbalances in insulin production, leading to severe health issues; researchers aimed to find better treatments by developing a new class of Schiff base analogues with 1,3,4-thiadiazole.
  • - These compounds were tested for their ability to inhibit the α-glucosidase enzyme, showing strong inhibitory activity with IC values ranging from 1.10 to 18.10 μM, outperforming the standard drug acarbose.
  • - The structures of the synthesized compounds were validated using various techniques like NMR and HREI-MS, alongside additional studies on molecular docking and pharmacokinetics to assess their potential effectiveness and safety.
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Article Synopsis
  • Recent research has focused on the development of thiadiazole-based drugs that could be effective against diabetes, urease-related issues, and drug-resistant infections.
  • The study reports the creation of new derivatives starting from 4-(trifluoromethyl)benzoic acid, which were then tested for their biological effects.
  • Certain compounds displayed strong inhibitory activities, attributed to the presence of specific chemical groups that enhance their effectiveness, suggesting potential for further drug optimization.
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MicroRNAs (miRNAs) are typically non-coding RNAs of 18-26 nucleotides (nts) that are produced endogenously and regulated post-transcriptionally through degradation or translational repression. Since miRNAs are evolutionarily conserved, their preservation is essential for important regulatory functions in plant development, growth, and responses to environmental stress. Sorghum bicolor (sbi) is a valuable food and fodder crop which is grown worldwide.

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A hybrid library of compounds based on indazole-based thiadiazole containing thiazolidinone moieties (-) was synthesized. The synthesized compounds were screened in vitro for their inhibition profile against targetedacetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) activities. All the derivatives demonstrated a varied range of inhibitory activities having IC values ranging from 0.

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Article Synopsis
  • A library of benzothiazole-derived pyrazoline thiazole compounds was synthesized through a multistep reaction for testing their inhibitory effects on α-glucosidase and urease enzymes.
  • Most synthesized compounds showed significant inhibitory potency, with IC values of 2.50 to 17.50 μM for α-glucosidase and 14.30 to 41.50 μM for urease, making them competitive against standard inhibitors.
  • Structure-activity relationships indicated that substituent size and electronic properties affected enzyme activity, with one compound identified as a dual inhibitor, showing the lowest IC values and supported by in silico studies on binding interactions.
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Article Synopsis
  • Thymidine phosphorylase (TP) is essential for tumor growth and angiogenesis, making it an important target for cancer research.
  • The study explored various bis-thiadiazole-based compounds to see how structural changes affect their ability to inhibit TP, resulting in 14 new analogs that showed moderate to good inhibition.
  • Eleven of these newly synthesized analogs outperformed a standard drug in inhibiting TP, and further studies included structure-activity relationship (SAR) analyses and molecular docking to understand their interactions with the enzyme.
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Designing a multifunctional conducting hydrogel wound dressing of suitable mechanical properties, adhesiveness, self-healing, autolytic debridement, antibacterial properties, and radical scavenging ability, as well as retaining an appropriate level of moisture around the wound is highly desirable in clinical application for treating cutaneous wounds healing. Here, we designed a novel class of electroactive hydrogel based on thiol-functionalized silver-graphene oxide nanoparticles (GO/Ag/TGA) core polyaniline (PANI) shell GO/Ag/TGA/PANI nanocomposites. Thus, a series of physically cross-linked hydrogel based on GO/Ag/TGA/PANI and poly(vinyl alcohol) (PVA) was prepared by freeze-thawing method.

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A new series of thiazole derivatives () incorporating imidazopyridine moiety was synthesized and assessed for their in vitro potential α-glucosidase potency using acarbose as a reference drug. The obtained results suggested that compounds (docking score = -13.45), (docking score = -12.

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