Amir Atlas

ORCID: 0000-0002-8394-655X
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About
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Research Areas
  • Nanoparticles: synthesis and applications
  • Natural Compound Pharmacology Studies
  • Phytochemicals and Antioxidant Activities
  • Medicinal Plants and Neuroprotection
  • Seed Germination and Physiology
  • Hepatitis C virus research
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Natural Antidiabetic Agents Studies
  • Phytochemistry and biological activity of medicinal plants
  • Heavy Metals in Plants
  • Polysaccharides Composition and Applications
  • Medicinal Plant Research
  • GABA and Rice Research
  • South Asian Studies and Conflicts
  • Electrochemical Analysis and Applications
  • Traffic and Road Safety
  • Biological Activity of Diterpenoids and Biflavonoids
  • Liver Disease Diagnosis and Treatment
  • Hepatitis B Virus Studies
  • Phytoestrogen effects and research
  • Water Quality and Pollution Assessment
  • Fish Ecology and Management Studies
  • Plant Genetic and Mutation Studies
  • Cholinesterase and Neurodegenerative Diseases
  • Urban Transport and Accessibility

Institute of Physiology and Basic Medicine
2025

Institute of Basic Medical Sciences of the Chinese Academy of Medical Sciences
2025

Khyber Medical University
2021-2022

Kohat University of Science and Technology
2014-2021

International Islamic University, Islamabad
2015-2019

Piper longum (long pepper) in dried form is used several traditional medicines and as a spice. The present study highlights nutritional toxic elements content, synthesis, characterization of silver, copper oxide, nickel nanoparticles using P. catkin extract. also determined anticancer, antioxidant, antimicrobial, redox catalytic activities the synthesized NPs. extract mediated (PLNPs) at different pH ratios were characterized by UV–Vis (ultra-violet-visible), FT-IR (Fourier-Transform...

10.1016/j.arabjc.2020.06.001 article EN cc-by-nc-nd Arabian Journal of Chemistry 2020-06-17

<title>Abstract</title> Background and Aims: With an estimated 11.55% adult population carrying HCV, hepatitis is a serious public health concern in Pakistan. almost one every 20 Pakistanis already infected, the nation ranks second internationally terms of C virus (HCV) infections. HBV HCV each have annual mortality rates 563,000 366,000, respectively. Hepatocellular carcinoma (HCC) most common primary liver tumor responsible for about 90% cancers. that spreads rapidly becoming problem on...

10.21203/rs.3.rs-5717094/v1 preprint EN cc-by Research Square (Research Square) 2025-01-13

(Anacardiaceae) containing abundant glucopyranosidal constituents, is traditionally used to treat gastric and duodenal ulcer, dysentery, diarrhea.

10.1016/j.sjbs.2021.10.016 article EN cc-by-nc-nd Saudi Journal of Biological Sciences 2021-10-12

This study reports a facile synthesis of silver nanoparticles (C3-AgNPs) by chemical route, using C3; 2,2′-((1E,1′E)-(propane-1,3-diylbis(azanylylidene))bis(methanylylidene))diphenol (3) and nitrate. The formation was monitored UV–Vis spectroscopy the appearance typical surface plasmon absorption maxima. synthesized C3-AgNPs were characterized Fourier-Transform-infrared (FTIR) atomic force microscopy (AFM) techniques. In addition, effect concentration, temperature, time, pH, stability in...

10.1016/j.arabjc.2020.10.016 article EN cc-by-nc-nd Arabian Journal of Chemistry 2020-10-22

The study describes the content of macro, micro, and trace essential toxic elements in thirteen medicinal herbs their products including Acorus calamus, Blepharis edulis, Caesalpinia bonducella, Curculigo orchioides, Helicteres isora, Holarrhena pubescens, Pastinaca sativa, Pistacia integerrima, Quercus infectoria, Rauwolfia serpentina, Saussurea lappa, Teucrium stocksianum, Xanthium strumarium available local markets Pakistan. elemental were analyzed with techniques inductively coupled...

10.1016/j.arabjc.2021.103055 article EN cc-by-nc-nd Arabian Journal of Chemistry 2021-02-05

The dichloromethane bark extract of Garcinia hombroniana yielded one new cycloartane triterpene; (22Z,24E)-3β-hydroxycycloart-14,22,24-trien-26-oic acid (1) together with five known compounds: garcihombronane G (2), J (3), 3β acetoxy-9α-hydroxy-17,14-friedolanostan-14,24-dien-26-oic (4), (22Z, 24E)-3β, 9α-dihydroxy-17,14-friedolanostan-14,22,24-trien-26-oic (5) and 3β, 23α-dihydroxy-17,14-friedolanostan-8,14,24-trien-26-oic (6). Their structures were established by the spectral techniques...

10.1080/14786419.2015.1060594 article EN Natural Product Research 2015-07-09

AbstractGarcinia species are reported to possess antimicrobial, anti-inflammatory, anticancer, anti-HIV and anti-Alzheimer's activities. This study aimed investigate the in vitro cholinesterase enzyme inhibitory activities of garcihombronane C (1), F (2), I (3), N (4), friedelin (5), clerosterol (6), spinasterol glucoside (7) 3β-hydroxy lup-12,20(29)-diene (8) isolated from Garcinia hombroniana, perform molecular docking simulation get insight into binding interactions ligands enzymes. The...

10.1080/14786419.2014.952228 article EN Natural Product Research 2014-09-15

Abstract BACKGROUND Garcinia (Clusiaceae) species are traditionally used as flavoring agents in curries and to cure several human health complications. This study investigated 31 macro, micro, trace elements microwave‐assisted digested samples of cambogia fruit its anti‐obesity commercial products by inductively coupled plasma‐optical emission spectroscopy (ICP‐OES) plasma‐mass spectrometric (ICP‐MS) techniques. The methods were also validated using the coefficient determination ( R 2 ),...

10.1002/jsfa.9454 article EN Journal of the Science of Food and Agriculture 2018-10-27

Smoke and salinity are environmental hazards. produced DNA damage, inflammatory, oxidative stress in humans while reduced plant yield. However, smoke from plants is beneficial towards growth. In this study, of two plants, Buhania varegata (1:1000 1:5000 dilutions (v/v)) Cymbopogon jwarancusa (1:500 1:1000), were used to determine effects on different physiological biochemical parameters rice Basmati-385 (B-385) Shaheen Basmati under saline concentrations (control: 50, 100, 150 mM). With...

10.1080/02772248.2014.912776 article EN Toxicological & Environmental Chemistry Reviews 2014-04-14

Background: Garcinia hombroniana, known as “manggis hutan” (jungle mangosteen) in Malaysia, is distributed in&#x0D; tropical Asia, Borneo, Thailand, Andaman, Nicobar Islands, Vietnam and India. In its ripened crimson sour&#x0D; fruit rind used a seasoning agent curries culinary dishes. Its roots leaves decoction against skin&#x0D; infections after child birth. This study aimed to evaluate vivo hepatoprotective vitro cytotoxic activities of&#x0D; 20% methanolic ethyl acetate (MEA) G....

10.21010/ajtcam.v14i2.38 article EN African Journal of Traditional Complementary and Alternative Medicines 2017-01-13

Species of Garcinia (Guttiferae) are used for flavoring curries, as a supplement, and to treat various diseases. This study describes the comparison discrimination cambogia, indica, mangostana atroviridis fruits by analyzing their major phytochemicals, elemental content, antioxidant, antidiabetic, anticholinesterase enzymes activities. For phytochemical profiling, ultraviolet (UV), near infrared/infrared (NIR/IR), inductively coupled plasma-optical emission spectroscopy (ICP-OES) ICP-mass...

10.1080/00032719.2019.1640244 article EN Analytical Letters 2019-08-30

Synthesis of nanoparticles using plant extract is environment-friendly, cost-effective, and sustainable. This study reports the synthesis aqueous ethanolic extracts mediated gold aerial parts F. tenacissima (FTAAuNPs) chloroauric acid. The synthesized obtained from under sunlight in 1:15 1:10 ratios with localized surface plasmon resonance (LSPR) peaks at 533 nm exhibited sizes 15.7 27.6 nm, respectively, as revealed by scanning electron, transmission atomic force microscopic (SEM, TEM, AFM)...

10.1016/j.arabjc.2022.104179 article EN cc-by-nc-nd Arabian Journal of Chemistry 2022-08-11

To meet the requirements of assessing fitness-to-drive among older adults, recently several studies have validated use driving simulator. This study adheres to opinion developing a method assess fitness drive based on various assessments and simulator rides using Random Forest. The goals are: a) evaluate drivers' fïtness-to-drive different assessments, b) determine which type assessment, or combination assessment provides best prediction fïtness-to-drive, c) validity performance in...

10.1109/iske47853.2019.9170416 article EN 2019-11-01

Acquisition of blood borne pathogens is a potential occupational health hazard for Health care workers (HCWs) across the world.Transmissions over 20 different have been reported in HCWs because exposure.Despite continuous progressive

10.31032/ijbpas/2019/8.4.4684 article EN International Journal of Biology Pharmacy and Allied Sciences 2019-03-31
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