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Submissions from 2021

Copper and silver substituted MnO2 nanostructures with superior photocatalytic and antimicrobial activity, Muhammad Farooq Warsi, Khadija Chaudhary, Sonia Zulfiqar, Abdur Rahman, Ibrahim A. Al Safari, Hafiz Muhammad Zeeshan, Philips O. Agboola, Muhammad Shahid, and Muhammad Suleman

Submissions from 2020

Enhanced electrochemical energy storage properties of carbon coated Co3O4 nanoparticles-reduced graphene oxide ternary nano-hybrids, Muhammad Aadil, Sonia Zulfiqar, Humera Sabeeh, Muhammad Farooq Warsi, Muhammad Shahid, Ibrahim A. Alsafari, and Imran Shakir

Binder free mesoporous Ag-doped Co3O4 nanosheets with outstanding cyclic stability and rate capability for advanced supercapacitor applications, Muhammad Aadil, Sonia Zulfiqar, Muhammad Shahid, Sajjad Haider, Imran Shakir, and Muhammad Farooq Warsi

Microbial fuel cells with enhanced bacterial catalytic activity and stability using 3D nanoporous stainless steel anode, Alaa A. Abbas, Heba H. Farrag, Ehab El-Sawy, and Nageh K. Allam

Is Low Alveolar Type II Cell SOD3 in the Lungs of Elderly Linked to the Observed Severity of COVID-19?, Ahmed S. Abouhashem, Kanhaiya Singh, Hassan M.E. Azzazy, and Chandan K. Sen

Formulation of simvastatin chitosan nanoparticles for controlled delivery in bone regeneration: Optimization using Box-Behnken design, stability and in vivo study, Wael Mamdouh Sayed Ahmed

Development and optimization of pectin/chitosan magnetic sponge for efficient cationic dyes removal using Box–Behnken design, Wael Mamdouh Sayed Ahmed and Olivia A. Attalla

Ternary hybrid of polyaniline-alanine-reduced graphene oxide for electrochemical sensing of heavy metal ions, Mehwish Akhtar, Amiza Tahir, Sonia Zulfiqar, Farzana Hanif, Muhammad Farooq Warsi, Philips O. Agboola, and Imran Shakir

Cosm-nutraceutical nanovesicles for acne treatment: Physicochemical characterization and exploratory clinical experimentation, Sandra Sherif Amer and Wael Mamdouh Sayed Ahmed

Impact of rare earth Dy+3 cations on the various parameters of nanocrystalline nickel spinel ferrite, Asima Anwar, Sonia Zulfiqar, Muhammad Asif Yousuf, Sameh A. Ragab, Muhammad Azhar Khan, Imran Shakir, and Muhammad Farooq Warsi

Wafer-Like CoS Architectures and Their Nanocomposites with Polypyrrole for Electrochemical Energy Storage Applications, Nabeela Ashraf, Muhammad Aadil, Sonia Zulfiqar, Humera Sabeeh, Muhammad Azhar Khan, Imran Shakir, Philips O. Agboola, and Muhammad Farooq Warsi

Essential oil loaded pectin/chitosan nanoparticles preparation and optimization: via Box-Behnken design against MCF-7 breast cancer cell lines, Olivia A. Attallah, Amro Shetta, Fatma Elshishiny, and Wael Mamdouh

Synthesis of Novel Bio-based Urea-Urethane Aerogels In-Situ Impregnated with Catalytic Metallic Nanoparticles for the Removal of Methylene Blue and Congo Red from Wastewater, Rasha A. Azzam and Tarek M. Madkour

Structural and photocatalytic properties of new rare earth La3+ substituted MnFe2O4 ferrite nanoparticles, Mirza Mahmood Baig, Sonia Zulfiqar, Muhammad Asif Yousuf, Muhammad Touqeer, Sana Ullah, Philips O. Agboola, Muhammad Farooq Warsi, and Imran Shakir

CuxNi1-xO nanostructures and their nanocomposites with reduced graphene oxide: Synthesis, characterization, and photocatalytic applications, Bushra Bashir, Muhammad Usman Khalid, Muhammad Aadil, Sonia Zulfiqar, Muhammad Farooq Warsi, Philips O. Agboola, and Imran Shakir

A High Performance Electrochemical Sensor for Pb2+ Ions Based on Carbon Nanotubes Functionalized CoMn2O4 Nanocomposite, Nagina Bashir, Mehwish Akhtar, Hafiza Zahra Rab Nawaz, Muhammad Farooq Warsi, Imran Shakir, Philips O. Agboola, and Sonia Zulfiqar

Novel approach for effective removal of methylene blue dye from water using fava bean peel waste, Omar S. Bayomie, Haitham Kandeel, Tamer Shoeib, Hu Yang, Noha Youssef, and Mayyada M.H. El-Sayed

Binary WO3-ZnO nanostructures supported rGO ternary nanocomposite for visible light driven photocatalytic degradation of methylene blue, Khadija Chaudhary, Nusrat Shaheen, Sonia Zulfiqar, Muhammad Ilyas Sarwar, Muhammad Suleman, Philips O. Agboola, Imran Shakir, and Muhammad Farooq Warsi

Fabrication of GdFO3-Carbon nanotubes nanocomposites for enhanced photocatalytic applications, Aysha Daud, Muammad Farooq Warsi, Sonia Zulfiqar, Philips O. Agboola, Aziz ur Rehman, and Imran Shakir

Erratum: Fullerene C76as a novel electrocatalyst for VO2+/VO2+and chlorine evolution inhibitor in all-vanadium redox flow batteries (Chemical Communications (2020) 56 (7569-7572) DOI: 10.1039/D0CC03544K), Farah A. El Diwany, Basant A. Ali, Ehab N. El Sawy, and Nageh K. Allam

Fullerene C76 as a novel electrocatalyst for VO2+/VO2+ and chlorine evolution inhibitor in all-vanadium redox flow batteries, Farah A. El Diwany, Basant A. Ali, Ehab N. El Sawy, and Nageh K. Allam

Tailored-design of electrospun nanofiber cellulose acetate/poly(lactic acid) dressing mats loaded with a newly synthesized sulfonamide analog exhibiting superior wound healing, Rasha E. Elsayed, Tarek M. Madkour, and Rasha A. Azzam

Fabrication of Nanofibrous/Xerogel Layer-by-Layer Biocomposite Scaffolds for Skin Tissue Regeneration: In Vitro Study, Fatma Elshishiny and Wael Mamdouh Sayed Ahmed

Nano-formulations of copper species coated with sulfated polysaccharide extracts and assessment of their phytotoxicity on wheat (Triticum aestivum L.) seedlings in seed germination, foliar and soil applications, Hanaa L. Essa, Mohamed S. Abdelfattah, Alaa S. Marzouk, Hania A. Guirguis, and Mayyada M.H. El-Sayed

Facile Solutions to the Problems Associated with Chemical Information and Mathematical Symbolism while Using Machine Translation Tools, M. Farooq Wahab, Sonia Zulfiqar, Muhammad Ilyas Sarwar, and Ingo Lieberwirth

Synthesis of magnetic iron oxide nanoparticles using pulp and seed aqueous extract of Citrullus colocynth and evaluation of their antimicrobial activity, Faten Farouk, Mohammed Abdelmageed, Mohammad Azam Ansari, and Hassan M.E. Azzazy

Detection of Acinetobacter baumannii in fresh produce using modified magnetic nanoparticles and PCR, Faten Farouk, Rana El Shimy, Amany Abdel-Motaleb, Shereen Essam, and Hassan M.E. Azzazy

Synthesis and Characterization of Hetero-metallic Oxides-Reduced Graphene Oxide Nanocomposites for Photocatalytic Applications, Rukia Fatima, Muhammad Farooq Warsi, Muhammad Ilyas Sarwar, Imran Shakir, Philips O. Agboola, Mohamed F. Aly Aboud, and Sonia Zulfiqar

Nanocrystalline transition metal oxides and their composites with reduced graphene oxide and carbon nanotubes for photocatalytic applications, Rukia Fatima, Muhammad Farooq Warsi, Sonia Zulfiqar, Sameh A. Ragab, Imran Shakir, and Muhammad Ilyas Sarwar

Investigating circulatory microRNA expression profiles in Egyptian patients infected with hepatitis C virus mediated hepatic disorders, Abdullah Ahmed Gibriel, Amany Mohamed Al-Anany, Mohamed Ali Ezz Al-Arab, and Hassan Mohamed Elsaid Azzazy

A novel and potential chemical sensor for effective monitoring of Fe(II) ion in corrosion systems of water samples, Hassan M.A. Hassan, Ahmed Shahat, Hassan M.E. Azzazy, Reda M.Abd El-aal, Wessam N. El-Sayed, Aiman Abd Elwahed, and Md Rabiul Awual

Quality evaluation of oil recovered from Euthynnus affinis (Kawakawa) fish using ecofriendly chitosan/oil-non-centrifuged sequential purification technique, Alia A.F. Hetta, Olivia A. Attallah, and Wael Mamdouh

DyCrxFe(1-x)O3 nanoparticles prepared by wet chemical technique for photocatalytic applications, Hira, Aysha Daud, Sonia Zulfiqar, Philips O. Agboola, Imran Shakir, and Muammad Farooq Warsi

Coaxial nanofibers outperform uniaxial nanofibers for the loading and release of pyrroloquinoline quinone (PQQ) for biomedical applications, Sara Ibrahim, Marwan Y. Rezk, Mohammed Ismail, Taghrid Abdelrahman, Mona Sharkawy, Ahmed Abdellatif, and Nageh K. Allam

Arabinoxylan and rhamnogalacturonan mucilage: Outgoing and potential trends of pharmaceutical, environmental, and medicinal merits, Rabab Kamel, Sherif M. Afifi, Iman A.A. Kassem, Nermeen A. Elkasabgy, and Mohamed A. Farag

Visible light driven photocatalytic activity of unsubstituted and Ag1+ / Al3+-substituted CuO nanoflakes, Muhammad Usman Khalid, Muhammad Farooq Warsi, Muhammad Ilyas Sarwar, Philips O. Agboola, Imran Shakir, and Sonia Zulfiqar

Al3+/Ag1+ induced phase transformation of MnO2 nanoparticles from α to β and their enhanced electrical and photocatalytic properties, Muhammad Usman Khalid, Muhammad Farooq Warsi, Imran Shakir, Mohamed F. Aly Aboud, Muhammad Shahid, Sahar Saad Shar, and Sonia Zulfiqar

Elastomer based nanocomposites with reduced graphene oxide nanofillers allow for enhanced tensile and electrical properties, Sumaira Mazhar, Bret P. Lawson, Barry D. Stein, Maren Pink, John Carini, Aleksandr Polezhaev, Evgeny Vlasov, Sonia Zulfiqar, Muhammad Ilyas Sarwar, and Lyudmila M. Bronstein

Removal of copper (II) ions by eco-friendly raw eggshells and nano-sized eggshells: a comparative study, Somaia G. Mohammad, Sahar M. Ahmed, and Mayyada M.H. El-Sayed

Removal of imidacloprid pesticide using nanoporous activated carbons produced via pyrolysis of peach stone agricultural wastes, Somaia G. Mohammad and Mayyada M.H. El-Sayed

Intranasal lipid nanocapsules for systemic delivery of nimodipine into the brain: In vitro optimization and in vivo pharmacokinetic study, Karim Mohsen, Hassan M.E. Azzazy, Nageh K. Allam, and Emad B. Basalious

Synthesis, characterization and photocatalytic parameters investigation of a new CuFe2O4/Bi2O3 nanocomposite, Sana Munir, Aamir Rasheed, Sonia Zulfiqar, Muhammad Aadil, Philips O. Agboola, Imran Shakir, and Muhammad Farooq Warsi

Synthesis of diglycolic acid functionalized core-shell silica coated Fe3O4 nanomaterials for magnetic extraction of Pb(II) and Cr(VI) ions, Tehreema Nawaz, Sonia Zulfiqar, Muhammad Ilyas Sarwar, and Mudassir Iqbal

Bioinspired lipid-polysaccharide modified hybrid nanoparticles as a brain-targeted highly loaded carrier for a hydrophilic drug, Sara Hassan Omar, Rihab Osman, Wael Mamdouh, Hend Mohamed Abdel-Bar, and Gehanne A.S. Awad

Multiuse Al-MOF Chemosensors for Visual Detection and Removal of Mercury Ions in Water and Skin-Whitening Cosmetics, Ahmed Radwan, Islam M. El-Sewify, Ahmed Shahat, Hassan M.E. Azzazy, Mostafa M.H. Khalil, and Mohamed Fathy El-Shahat

Structural, optical and photocatalytic studies of trimetallic oxides nanostructures prepared via wet chemical approach, Abdur Rahman, Humera Sabeeh, Sonia Zulfiqar, Philips Olaleye Agboola, Imran Shakir, and Muhammad Farooq Warsi

Fabrication of Ce3+ substituted nickel ferrite-reduced graphene oxide heterojunction with high photocatalytic activity under visible light irradiation, Abdur Rahman, Muhammad Farooq Warsi, Imran Shakir, Muhammad Shahid, and Sonia Zulfiqar

Facile Synthesis of Ce1-xFexO2/NiO/rGO Ternary Hybrid Heterostructures with Enhanced Visible Light mediated Photocatalytic Activity for Waterborne Pollutants, Abdur Rahman, Sonia Zulfiqar, Sara Musaddiq, Imran Shakir, Muhammad Farooq Warsi, and Muhammad Shahid

Novel Polysulfone/Carbon Nanotube-Polyamide Thin Film Nanocomposite Membranes with Improved Water Flux for Forward Osmosis Desalination, Ahmed O. Rashed, Amal M.K. Esawi, and Adham Ramadan

Nanostructured maghemite and magnetite and their nanocomposites with graphene oxide for photocatalytic degradation of methylene blue, Attiya Rehman, Aysha Daud, Muhammad Farooq Warsi, Imran Shakir, Philips O. Agboola, Muhammad Ilyas Sarwar, and Sonia Zulfiqar

Flake-like MoS2 nano-architecture and its nanocomposite with reduced Graphene Oxide for hybrid supercapacitors applications, Humera Sabeeh, Sonia Zulfiqar, Muhammad Aadil, Muhammad Shahid, Imran Shakir, Muhammad Azhar Khan, and Muhammad Farooq Warsi

GAPS-megacities: A new global platform for investigating persistent organic pollutants and chemicals of emerging concern in urban air, Amandeep Saini, Tom Harner, Sita Chinnadhurai, Jasmin K. Schuster, Alan Yates, Andrew Sweetman, Beatriz H. Aristizabal-Zuluaga, Begoña Jiménez, Carlos A. Manzano, Eftade O. Gaga, Gavin Stevenson, Jerzy Falandysz, Jianmin Ma, Karina S.B. Miglioranza, Kurunthachalam Kannan, Maria Tominaga, Narumol Jariyasopit, Nestor Y. Rojas, Omar Amador-Muñoz, Ravindra Sinha, Rose Alani, R. Suresh, Takahiro Nishino, and Tamer Shoeib

MicroRNA-208a: a Good Diagnostic Marker and a Predictor of no-Reflow in STEMI Patients Undergoing Primary Percutaneuos Coronary Intervention, Aboubakr Mohamed Salama, Wael Ali Khalil, Manar Al-Zaky, Somia Hassan Abdallah, Nader Talaat Kandil, Ahmed Abdelsabour, Ahmed Mohammed Shaker, Mesbah Taha Hasanein, Giovanni Battista Luciani, and Hassan M.E. Azzazy

Fabrication of different conductive matrix supported binary metal oxides for supercapacitors applications, Nusrat Shaheen, Muhammad Aadil, Sonia Zulfiqar, Humera Sabeeh, Philips O. Agboola, Muhammad Farooq Warsi, Mohamed F. Aly Aboud, and Imran Shakir

Wet chemical route synthesis of spinel oxide nano-catalysts for photocatalytic applications, Nusrat Shaheen, Muhammad Asif Yousuf, Imran Shakir, Sonia Zulfiqar, Philips Olaleye Agboola, and Muhammad Farooq Warsi

Comparison between Benzothiadizole-Thiophene-and Benzothiadizole-Furan-Based D-A-Ï€-A Dyes Applied in Dye-Sensitized Solar Cells: Experimental and Theoretical Insights, Walid Sharmoukh, Jiayan Cong, Basant A. Ali, Nageh K. Allam, and Lars Kloo

Synthesis and characterization of MoO3/CoFe2O4 nanocomposite for photocatalytic applications, Nida Tariq, Rukia Fatima, Sonia Zulfiqar, Abdur Rahman, Muhammad Farooq Warsi, and Imran Shakir

Fabrication of binary metal doped CuO nanocatalyst and their application for the industrial effluents treatment, Atta ur Rehman, Muhammad Aadil, Sonia Zulfiqar, Philips O. Agboola, Imran Shakir, Mohamed F. Aly Aboud, Sajjad Haider, and Muhammad Farooq Warsi

Novel Inulin Electrospun Composite Nanofibers: Prebiotic and Antibacterial Activities, Walaa Wahbi, Rania Mohamed Siam, James Kegere, Worood A. El-Mehalmey, and Wael Ahmed Mamdouh

Mn1-xCuxO2/ reduced graphene oxide nanocomposites: Synthesis, characterization, and evaluation of visible light mediated catalytic studies, Muhammad Farooq Warsi, Bushra Bashir, Sonia Zulfiqar, Muhammad Aadil, Muhammad Usman Khalid, Philips O. Agboola, Imran Shakir, Muhammad Asif Yousuf, and Muhammad Shahid

Enhanced visible light driven Photocatalytic activity of MnO2nanomaterials and their hybrid structure with carbon nanotubes, Muhammad Farooq Warsi, Muhammad Bilal, Sonia Zulfiqar, Muhammad Usman Khalid, Philips O. Agboola, and Imran Shakir

Erbium substituted nickel–cobalt spinel ferrite nanoparticles: Tailoring the structural, magnetic and electrical parameters, Muhammad Farooq Warsi, Ayesha Iftikhar, Muhammad Asif Yousuf, Muhammad Ilyas Sarwar, Sheraz Yousaf, Sajjad Haider, Mohamed F. Aly Aboud, Imran Shakir, and Sonia Zulfiqar

Electrochemical energy storage properties studies of Cu0.2Ni0.8O-Reduced graphene oxide nano-hybrids, Sheraz Yousaf, Sonia Zulfiqar, Muhammad Shahid, Akmal Jamil, Imran Shakir, Philips O. Agboola, and Muhammad Farooq Warsi

Tuning the structural, optical and electrical properties of NiO nanoparticles prepared by wet chemical route, Sheraz Yousaf, Sonia Zulfiqar, Mahrzadi Noureen Shahi, Muhammad Farooq Warsi, Najeeb Fuad Al-Khalli, Mohamed F. Aly Aboud, and Imran Shakir

Nanocrystalline hematite α-Fe2O3 synthesis with different precursors and their composites with graphene oxide, Sonia Zulfiqar

Submissions from 2019

Production of bioactive compounds from the sulfated polysaccharides extracts of Ulva lactuca: Post-extraction enzymatic hydrolysis followed by ion-exchange chromatographic fractionation, Nihal Abou El Azm, Daisy Hanna Fleita, Dalia Rifaat, Eric Zadok Mpingirika, and Asma Amleh

Coupling of GC-MS/MS to Principal Component Analysis for Assessment of Matrix Effect: Efficient Determination of Ultra-Low Levels of Pesticide Residues in Some Functional Foods, Wael Mamdouh Sayed Ahmed

Insights on the use of nanocarriers for acne alleviation, Wael Mamdouh Sayed Ahmed

Nanostructured lipid carriers incorporating prickly pear seed oil for the encapsulation of vitamin A, Sham AlZahabi, Omar S. Sakr, and Adham A. Ramadan

Nanogold Assay Improves Accuracy of Conventional TB Diagnostics, Hassan Mohamed El Said Azzazy

Methylene Blue Dye Removal Using Water Hyacinth Derived Active Carbon Embedded with Cobalt Nanoparticles, Hany A. Elazab, Abdelrahman Okasha, and Tamer Tawhid El-Idreesy

Facile Microwave-assisted synthetic approach to palladium nanoparticles supported on copper oxide as an efficient catalyst for Heck and Sonogashira cross- coupling reactions, Tamer Tawhid El-Idreesy

Hydrothermal synthesis of graphene supported Pd/Fe3O4 nanoparticles as efficient magnetic catalysts for Suzuki Cross – Coupling, Tamer Tawhid El-Idreesy

Optimization of the catalytic performance of Pd/Fe3O4 nanoparticles prepared via microwave-assisted synthesis for pharmaceutical and catalysis applications, Tamer Tawhid El-Idreesy

Carbon monoxide and formic acid oxidation at Rh@ Pt nanoparticles, Ehab El Sawy

Polyol synthesized graphene/PtxNi100-x nanoparticles alloy for improved electrocatalytic oxidation of methanol in acidic and basic media, Ehab El Sawy

Screening of Catalysts for the Electrochemical Oxidation of Organic Fuels in A Multi-Anode Proton Exchange Membrane Cell, Ehab El Sawy

Nano-enabled bioseparations: Current developments and future prospects, Mayyada Hosni El-Sayed

Novel Food Packaging Based on Naturally-Plasticized Poly (Lactic Acid) for Enhanced Nutritional Storage, Samar Fadl and Tarek Madkour

Nanoenabled Bioseparations: Current Developments and Future Prospects, Sherif Ashraf Fahmy, Mohamad Alawak, Jana Brüßler, Udo Bakowsky, and Mayyada M. H. El Sayed

Chemotherapy based on supramolecular chemistry: A promising strategy in cancer therapy, Sherif Ashraf Fahmy, Jana Brüßler, Mohamad Alawak, Mayyada M.H. El-Sayed, Udo Bakowsky, and Tamer Shoeib

Chemotherapy Based on Supramolecular Chemistry: A Promising Strategy in Cancer Therapy., Sherif Ashraf Fahmy, Mayyada M. H. El-Sayed, and Tamer Shoeib

A study on the physicochemical properties and cytotoxic activity of p-sulfocalix[4]arene-nedaplatin complex, Sherif Ashraf Fahmy and Tamer Shoeib

Antiulcer activity of Cyperus alternifolius in relation to its UPLC-MS metabolite fingerprint: A mechanistic study, Mohamed Ali Farag

Chemopreventive activity of Chamaedorea sefrizii and Attalea butyracea leaf extracts in relation to its metabolite fingerprints analysed via UPLC-qtof-MS and chemometrics, Mohamed Ali Farag

Comparative Metabolite Profiling of Four Citrus Peel Cultivars via Ultra-Performance Liquid Chromatography Coupled with Quadrupole-Time-of-Flight-Mass Spectrometry and Multivariate Data Analyses, Mohamed Ali Farag

Comparative metabolome-based classification of Senna drugs: a prospect for phyto-equivalency of its different commercial products, Mohamed Ali Farag

Effect of grilling as processing method on Zea mays (corn) metabolites composition as analyzed via SPME GC-MS and chemometrics, Mohamed Ali Farag

Hepatoprotective Effect of Carduus getulus Pomel in relation to its metabolite fingerprint as analyzed via UPLC-MS technique, Mohamed Ali Farag

Influence of Pickling Process on Allium cepa and Citrus limon Metabolome as Determined via Mass Spectrometry-Based Metabolomics, Mohamed Ali Farag

Isolation of anticancer and anti-trypanosome secondary metabolites from the endophytic fungus Aspergillus flocculus via bioactivity guided isolation and MS based metabolomics, Mohamed Ali Farag

Marine Natural Products: A Source of Novel Anticancer Drugs, Mohamed Ali Farag

Metabolites profiling of date palm (Phoenix dactylifera L.) commercial by-products (pits and pollen) in relation to its antioxidant effect: a multiplex approach of MS and NMR metabolomics, Mohamed Ali Farag

Metabolites profiling of Ziziphus leaf taxa via UHPLC/PDA/ESI-MS in relation to their biological activities, Mohamed Ali Farag

Metabolomics driven analysis of 11 Portulaca leaf taxa as analysed via UPLC-ESI-MS/MS and chemometrics, Mohamed Ali Farag

Metabolomics reveals ionones upregulation in MeJA elicited Cinnamomum camphora (camphor tree) cell culture, Mohamed Ali Farag

Profiling Metabolites and Biological Activities of Sugarcane (Saccharum officinarum Linn.) Juice and Its Product Molasses via a Multiplex Metabolomics Approach, Mohamed Ali Farag

Revealing the constituents of Egypt's oldest beer using infrared and mass spectrometry, Mohamed Ali Farag

Sensory Metabolite Profiling in a Date Pit Based Coffee Substitute and in Response to Roasting as Analyzed via Mass Spectrometry Based Metabolomics, Mohamed Ali Farag

UPLC-MS metabolome based classification of Lupinus and Lens seeds: A prospect for phyto-equivalency of its different accessions, Mohamed Ali Farag