Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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Rehman, Ihtesham Ur

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (71/71 displayed)

  • 2022Ceramic Stereolithography of Bioactive Glasses: Influence of Resin Composition on Curing Behavior and Green Body Properties11citations
  • 2020Boron for tissue regeneration-it’s loading into chitosan/collagen hydrogels and testing on chorioallantoic membrane to study the effect on angiogenesis24citations
  • 2020Synthesis and characterization of cellulose/hydroxyapatite based dental restorative composites29citations
  • 2019Bioresorbable antibacterial PCL-PLA-nHA composite membranes for oral and maxillofacial defects39citations
  • 2019In-vitro investigation of graphene oxide reinforced bioactive glass ceramics composites21citations
  • 2019Hydrothermal deposition of high strength calcium phosphate coatings on magnesium alloy for biomedical applications51citations
  • 2019Amino acids loaded chitosan/collagen based new membranes stimulate angiogenesis in chorioallantoic membrane assay34citations
  • 2019Development of collagen/PVA composites patches for osteochondral defects using a green processing of ionic liquid24citations
  • 2019Sterilization effects on the handling and degradation properties of calcium phosphate cements containing poly (D,L -lactic-co-glycolic acid) porogens and carboxymethyl cellulose21citations
  • 2018Identification of anti-cancer potential of doxazocin46citations
  • 2018Study of wettability and cell viability of H implanted stainless steel4citations
  • 2018Electrospinning of chitosan-based solutions for tissue engineering and regenerative medicine275citations
  • 2017Preliminary fabrication and characterization of electron beam melted Ti-6Al-4V customized dental implant62citations
  • 2017A study on the effect of zinc oxide and zinc peroxide nanoparticles to enhance angiogenesis-pro-angiogenic grafts for tissue regeneration applications90citations
  • 2017Potential of electrospun chitosan fibers as a surface layer in functionally graded GTR membrane for periodontal regeneration132citations
  • 2017Vibrational spectroscopy of selective dental restorative materials103citations
  • 2017Investigation of ionic liquids as a pretreatment solvent for extraction of collagen biopolymer from waste fish scales using COSMO-RS and experiment59citations
  • 2017Fabrication and in vivo evaluation of hydroxyapatite/carbon nanotube electrospun fibers for biomedical/dental application67citations
  • 2016Mesenchymal stem cell (MSC) viability on PVA and PCL polymer coated hydroxyapatite scaffolds derived from cuttlefish17citations
  • 2016Advances of proteomic sciences in dentistry60citations
  • 2016Dental materials for cleft palate repair32citations
  • 2016Modifications in Glass Ionomer Cements:Nano-Sized Fillers and Bioactive Nanoceramics162citations
  • 2016Modifications in glass ionomer cements162citations
  • 2016Protein adsorption capability on polyurethane and modified-polyurethane membrane for periodontal guided tissue regeneration applications39citations
  • 2016Efficient drug delivery system for bone repair by tuning the surface of hydroxyapatite particles25citations
  • 2015An update on glass fiber dental restorative composites: A systematic review94citations
  • 2015A comparative finite elemental analysis of glass abutment supported and unsupported cantilever fixed partial denture7citations
  • 2015A study of the effect of precursors on physical and biological properties of mesoporous bioactive glass34citations
  • 2015Gold nanoparticle decorated single walled carbon nanotube nanocomposite with synergistic peroxidase like activity for d-alanine detection41citations
  • 2015Structural, surface, in vitro bacterial adhesion and biofilm formation analysis of three dental restorative composites32citations
  • 2015Synthesis of piroxicam loaded novel electrospun biodegradable nanocomposite scaffolds for periodontal regeneration55citations
  • 2014Polymer-assisted deposition of hydroxyapatite coatings using electrophoretic technique10citations
  • 2014Influence of processing parameters and solid concentration on microstructural properties of gel-casted porous hydroxyapatite20citations
  • 2014Electrospun polyurethane/hydroxyapatite bioactive scaffolds for bone tissue engineering153citations
  • 2014Synthesis and characterization of calcium deficient apatite granules for drug eluting bone graft applications14citations
  • 2014Auxetic oesophageal stents172citations
  • 2014Preparation and characterization of bioactive composites and fibers for dental applications17citations
  • 2014Surface modification of aramid fibres by graphene oxide nano-sheets for multiscale polymer composites65citations
  • 2014Surface modification of aramid fibres by graphene oxide nano-sheets for multiscale polymer composites65citations
  • 2013Development and characterization of novel polyurethane films impregnated with tolfenamic acid for therapeutic applications14citations
  • 2013Effect of different beverages on the color stability and degree of conversion of nano and microhybrid composites57citations
  • 2013Synthesis and in-vitro cytotoxicity analysis of microwave irradiated nano-apatites18citations
  • 2013Structural, mechanical, and biocompatibility analyses of a novel dental restorative nanocomposite18citations
  • 2013In situ reaction kinetic analysis of dental restorative materials14citations
  • 2013A comparison of the mechanical properties of a modified silorane based dental composite with those of commercially available composite material26citations
  • 2012Rapid synthesis of thermally stable hydroxyapaptite22citations
  • 2012Phase stability and rapid consolidation of hydroxyapatite-zirconia nano-coprecipitates made using continuous hydrothermal flow synthesis13citations
  • 2011An Auxetic structure configured as oesophageal stent with potential to be used for palliative treatment of oesophageal cancer; Development and in vitro mechanical analysis112citations
  • 2010Measure of microhardness, fracture toughness and flexural strength of N-vinylcaprolactam (NVC)-containing glass-ionomer dental cements28citations
  • 2009Synthesis and characterization of a novel fast-set proline-derivative-containing glass ionomer cement with enhanced mechanical properties25citations
  • 2009Effects of N-vinylpyrrolidone (NVP) containing polyelectrolytes on surface properties of conventional glass-ionomer cements (GIC)24citations
  • 2009Synthesis of a proline-modified acrylic acid copolymer in supercritical CO2 for glass-ionomer dental cement applications10citations
  • 2009Synthesis and characterisation of enhanced barrier polyurethane for encapsulation of implantable medical devices39citations
  • 2009Isopropyl myristate-modified polyether-urethane coatings as protective barriers for implantable medical devices18citations
  • 2008Polymeric barrier membranes for device packaging, diffusive control and biocompatibility9citations
  • 2008Synthesis and in-vitro analysis of degradative resistance of a novel bioactive composite11citations
  • 2008Effects of incorporation of hydroxyapatite and fluoroapatite nanobioceramics into conventional glass ionomer cements (GIC)260citations
  • 2008Preparation and characterization of a novel bioactive restorative composite based on covalently coupled polyurethane-nanohydroxyapatite fibres91citations
  • 2008Synthesis and characterisation of magnesium substituted calcium phosphate bioceramic nanoparticles made via continuous hydrothermal flow synthesis75citations
  • 2008Modification of conventional glass-ionomer cements with N-vinylpyrrolidone containing polyacids, nano-hydroxy and fluoroapatite to improve mechanical properties154citations
  • 2008Synthesis of N-vinylpyrrolidone modified acrylic acid copolymer in supercritical fluids and its application in dental glass-ionomer cements20citations
  • 2007Complex electronic implants and polymer packaging needscitations
  • 2007Preparation and characterisation of controlled porosity alginate hydrogels made via a simultaneous micelle templating and internal gelation process45citations
  • 2007Formation of porous natural-synthetic polymer composites using emulsion templating and supercritical fluid assisted impregnation22citations
  • 2007Synthesis and characterization of grafted nanohydroxyapatites using functionalized surface agents52citations
  • 2006Recent developments in processing and surface modification of hydroxyapatite66citations
  • 2006Controlled growth of titania nanospheres in supercritical carbon dioxide using a novel surfactant stabilised precursor5citations
  • 2005Surface modification of bioceramics by grafting of tailored allyl phosphonic acid22citations
  • 2004Nano bioceramics for biomedical and other applications7citations
  • 2003Synthesis and characterization of nano-biomaterials with potential osteological applications69citations
  • 2000Analysis of apatite layers on glass-ceramic particulate using FTIR and FT-Raman spectroscopycitations

Places of action

Chart of shared publication
Görke, Oliver
1 / 9 shared
Chen, Qirong
1 / 7 shared
Weinhold, Joachim
1 / 1 shared
Asif, Anila
2 / 2 shared
Schmidt, Franziska
1 / 13 shared
Gurlo, Aleksander
2 / 47 shared
Shah, Asma Tufail
2 / 5 shared
Aghaei, Erfan
1 / 1 shared
Ahtzaz, S.
1 / 1 shared
Chaudhry, A. Anwar
3 / 3 shared
Waris, T. Sher
1 / 1 shared
Shahzadi, L.
4 / 4 shared
Yar, M.
4 / 4 shared
Sharif, F.
4 / 5 shared
Khan, A. S.
17 / 19 shared
Shah, A. T.
2 / 2 shared
Iqbal, F.
3 / 8 shared
Siddiqui, U.
1 / 1 shared
Ali, A.
1 / 9 shared
Muhammad, N.
5 / 6 shared
Rahim, A.
3 / 4 shared
Sabir, M.
1 / 1 shared
Sharif, Faiza
1 / 2 shared
Mustafa, Waleed
1 / 1 shared
Zarif, Faiza
1 / 1 shared
Siddiqui, Saadat Anwer
1 / 1 shared
Gilani, Mazhar Amjad
1 / 2 shared
Macneil, Sheila
1 / 1 shared
Tabassum, Sobia
1 / 2 shared
Tariq, Muhammad
1 / 13 shared
Jamal, Arshad
2 / 5 shared
Chaudhry, Aqif Anwar
5 / 7 shared
Iqbal, Farasat
3 / 5 shared
Batool, Madeeha
1 / 3 shared
Goerke, Oliver
1 / 3 shared
Ilyas, Kanwal
1 / 5 shared
Zahid, Saba
2 / 2 shared
Nawaz, Mian Hasnain
1 / 1 shared
Ali, Asif
1 / 8 shared
Siddiqi, Saadat Anwar
1 / 1 shared
Ikram, Fakhera
1 / 2 shared
Nawaz, Anaum
1 / 1 shared
Ahmad, Akhlaq
1 / 3 shared
Alvi, F.
1 / 1 shared
Tehseen, S.
1 / 1 shared
Chaudhry, A. A.
9 / 10 shared
Aleem, A. R.
1 / 1 shared
Iqbal, B.
2 / 2 shared
Safi, S. Z.
1 / 1 shared
Uroos, M.
1 / 1 shared
Gonfa, G.
2 / 2 shared
Kucko, Nathan W.
1 / 3 shared
Ulset, Ann-Sissel Teialeret
1 / 1 shared
Christensen, Bjørn E.
1 / 1 shared
Martinez, Marcela A. García
1 / 1 shared
Leeuwenburgh, Sander C. G.
1 / 9 shared
Herber, Ralf-Peter
1 / 3 shared
Li, Wenliang
1 / 1 shared
Yar, Muhammad
2 / 3 shared
Ahtzaz, Samreen
2 / 2 shared
Shahzadi, Lubna
2 / 2 shared
Ahmad, Riaz
1 / 6 shared
Shafique, Muhammad Ahsan
1 / 6 shared
Qasim, Saad B.
1 / 1 shared
Husain, Shehriar
1 / 1 shared
Khurshid, Zohaib
2 / 4 shared
Najeeb, Shariq
2 / 2 shared
Zafar, Muhammad S.
1 / 1 shared
Shah, Altaf H.
1 / 1 shared
Hashem, Mohamed I.
1 / 1 shared
Vallittu, Pekka K.
1 / 26 shared
Ramakrishnaiah, Ravikumar
1 / 3 shared
Divakar, Darshan Devang
1 / 2 shared
Kheraif, Abdulaziz Abdullah Al
1 / 1 shared
Mohammad, Ashfaq
1 / 1 shared
Kotha, Sunil Babu
1 / 1 shared
Celur, Sree Lalita
1 / 1 shared
Nasir, Muhammad
1 / 7 shared
Amir, Walija
1 / 1 shared
Anjum, Aneeq
1 / 1 shared
Arshad, Rida
1 / 1 shared
Rawlinson, A.
1 / 1 shared
Delaine-Smith, R. M.
2 / 2 shared
Najeeb, S.
3 / 4 shared
Qasim, S. B.
1 / 1 shared
Khalid, H.
3 / 3 shared
Iqbal, J.
1 / 1 shared
Sarfraz, Z.
2 / 2 shared
Khan, M.
3 / 8 shared
Fareed, M. A.
1 / 1 shared
Khan, F. U.
1 / 1 shared
Khan, Z. U. H.
1 / 1 shared
Ahmad, P.
1 / 1 shared
Rehman, F.
2 / 3 shared
Manzoor, F.
4 / 5 shared
Hussain, A. N.
1 / 1 shared
Sidra, L.
1 / 1 shared
Siddiqi, S. A.
6 / 6 shared
Tariq, M.
1 / 4 shared
Jamal, A.
2 / 2 shared
Chaudhry, A.
1 / 1 shared
Kamran, M.
1 / 2 shared
Ahmad, R.
2 / 30 shared
Rehman, R.
1 / 1 shared
Zafar, M. S.
2 / 3 shared
Khurshid, Z.
2 / 3 shared
Zohaib, S.
2 / 3 shared
Macneil, S.
1 / 1 shared
Zafar, Muhammad Sohail
1 / 2 shared
Sauro, Salvatore
1 / 16 shared
Martí, Juan Manuel Nuñez
1 / 1 shared
Zohaib, Sana
1 / 1 shared
Matinlinna, Jukka Pekka
1 / 10 shared
Sauro, S.
1 / 5 shared
Matinlinna, J. P.
1 / 8 shared
Martí, J. M. N.
1 / 1 shared
Glogauer, M.
1 / 1 shared
Roohpour, N.
9 / 10 shared
Sheikh, Z.
1 / 1 shared
Gilani, M. A.
1 / 2 shared
Zarif, F.
1 / 1 shared
Tabassum, S.
1 / 1 shared
Zahid, S.
2 / 2 shared
Mian, S. A.
1 / 1 shared
Azam, M. T.
2 / 2 shared
Kheraif, A. A. Al
1 / 1 shared
Elsharawy, M. A.
1 / 1 shared
Alsaleh, A. K.
1 / 1 shared
Mohamed, K. M. Ismail
1 / 1 shared
Ramakrishaniah, R.
1 / 1 shared
Khan, A. F.
1 / 1 shared
Ahmad, S.
1 / 22 shared
Ain, Q.
1 / 1 shared
Raza, Yousuf
1 / 1 shared
Marty, Jean-Louis
1 / 3 shared
Hayat, Akhtar
1 / 2 shared
Haider, Waqar
1 / 1 shared
Chauhdry, A. A.
1 / 1 shared
Muzzafar, D.
1 / 1 shared
Faryal, R.
1 / 1 shared
Qureshi, Z.-U.-A.
1 / 1 shared
Mahmood, N.
1 / 3 shared
Farooq, A.
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Rauf, A.
1 / 3 shared
Ch, A. A.
1 / 1 shared
Awais, M.
1 / 3 shared
Mehboob, H.
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Shahid, R.
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Ashraf, N.
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Riaz, T.
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Nazir, R.
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Ur-Rehman, A.
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Asif, A.
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Reilly, G. C.
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Tetteh, G.
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Mir, M.
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Siddiqi, S. Anwar
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Abbas, G.
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Hussain, T.
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Ali, M. N.
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Busfield, J. J. C.
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Alkhuraif, A. A.
1 / 1 shared
Sheraz, M. A.
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Qidwai, M.
1 / 1 shared
Ahmed, S.
2 / 8 shared
Siddique, N. A.
1 / 1 shared
Chen, B.
1 / 43 shared
Khan, M. Bilal
1 / 1 shared
Ahmed, I.
1 / 16 shared
Yorucu, C.
1 / 1 shared
Hussain, R.
2 / 4 shared
Hussain, S.
1 / 10 shared
Siddique, Naveed A.
1 / 1 shared
Hussain, Rizwan
1 / 3 shared
Hussain, Saleem
1 / 1 shared
Bilal Khan, M.
1 / 1 shared
Chen, Biqiong
1 / 15 shared
Ahmed, Iftikhar
1 / 5 shared
Yorucu, Ceyla
1 / 1 shared
Istanbullu, H.
1 / 1 shared
Kheraif, A. A. A. Al
1 / 1 shared
Qasim, S. S. B.
1 / 1 shared
Ramakrishnaiah, R.
1 / 2 shared
Khan, A. Samad
1 / 1 shared
Ahmed, A.
1 / 16 shared
Wong, F. S. L.
4 / 4 shared
Mckay, I. J.
1 / 2 shared
Whiley, R. A.
1 / 1 shared
Muzaffar, D.
1 / 1 shared
Younas, B.
1 / 1 shared
Hussain, I.
1 / 7 shared
Zakir, M.
1 / 1 shared
Kheraif, A. A. A. A.
1 / 1 shared
Asif, M.
1 / 6 shared
Akram, A.
1 / 1 shared
Iqbal, N.
1 / 5 shared
Darr, J. A.
14 / 14 shared
Knowles, J. C.
2 / 9 shared
Yan, H.
1 / 12 shared
Reece, M. J.
1 / 22 shared
Gong, K.
1 / 1 shared
Viola, G.
1 / 6 shared
Chee, W. W. L.
1 / 1 shared
Rohpour, N.
1 / 1 shared
Zheng, F.
1 / 1 shared
Ansari, S.
4 / 4 shared
Moshaverinia, A.
8 / 8 shared
Brantley, W. A.
1 / 1 shared
Heshmati, R. H.
1 / 1 shared
Schricker, S. R.
1 / 1 shared
Schricker, S.
1 / 1 shared
Moshaverinia, M.
2 / 2 shared
Wasikiewicz, J. M.
3 / 3 shared
Paul, D.
4 / 6 shared
Vadgama, P.
4 / 4 shared
Grahn, M.
2 / 2 shared
Ateh, D.
1 / 1 shared
Aziz, M. S.
1 / 1 shared
Wong, F.
1 / 2 shared
Edirisinghe, M. J.
1 / 1 shared
Ahmad, Z.
1 / 15 shared
Vickers, M.
1 / 2 shared
Cockcroft, J. K.
1 / 1 shared
Goodall, J.
1 / 1 shared
Movasaghi, Z.
1 / 1 shared
Billington, R. W.
2 / 2 shared
Schoenleber, M.
1 / 1 shared
Vaghela, J.
1 / 1 shared
Popa, C.
1 / 1 shared
Ismail, F.
1 / 2 shared
Muthutantri, A.
1 / 1 shared
Davis, G. R.
1 / 2 shared
Partap, S.
2 / 2 shared
Hebb, A. K.
1 / 1 shared
Haque, S.
1 / 1 shared
Norton, J.
1 / 1 shared
Malik, K. R.
1 / 1 shared
Kellici, S.
1 / 2 shared
Darr, J.
1 / 1 shared
Phillips, M. J.
2 / 2 shared
Griffiths, D. V.
1 / 2 shared
Duncanson, P.
1 / 1 shared
Wilson, K.
1 / 11 shared
Luklinska, Z. B.
1 / 3 shared
Karsh, M.
1 / 1 shared
Bonfield, W.
1 / 17 shared
Hench, L. L.
1 / 4 shared
Chart of publication period
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Co-Authors (by relevance)

  • Görke, Oliver
  • Chen, Qirong
  • Weinhold, Joachim
  • Asif, Anila
  • Schmidt, Franziska
  • Gurlo, Aleksander
  • Shah, Asma Tufail
  • Aghaei, Erfan
  • Ahtzaz, S.
  • Chaudhry, A. Anwar
  • Waris, T. Sher
  • Shahzadi, L.
  • Yar, M.
  • Sharif, F.
  • Khan, A. S.
  • Shah, A. T.
  • Iqbal, F.
  • Siddiqui, U.
  • Ali, A.
  • Muhammad, N.
  • Rahim, A.
  • Sabir, M.
  • Sharif, Faiza
  • Mustafa, Waleed
  • Zarif, Faiza
  • Siddiqui, Saadat Anwer
  • Gilani, Mazhar Amjad
  • Macneil, Sheila
  • Tabassum, Sobia
  • Tariq, Muhammad
  • Jamal, Arshad
  • Chaudhry, Aqif Anwar
  • Iqbal, Farasat
  • Batool, Madeeha
  • Goerke, Oliver
  • Ilyas, Kanwal
  • Zahid, Saba
  • Nawaz, Mian Hasnain
  • Ali, Asif
  • Siddiqi, Saadat Anwar
  • Ikram, Fakhera
  • Nawaz, Anaum
  • Ahmad, Akhlaq
  • Alvi, F.
  • Tehseen, S.
  • Chaudhry, A. A.
  • Aleem, A. R.
  • Iqbal, B.
  • Safi, S. Z.
  • Uroos, M.
  • Gonfa, G.
  • Kucko, Nathan W.
  • Ulset, Ann-Sissel Teialeret
  • Christensen, Bjørn E.
  • Martinez, Marcela A. García
  • Leeuwenburgh, Sander C. G.
  • Herber, Ralf-Peter
  • Li, Wenliang
  • Yar, Muhammad
  • Ahtzaz, Samreen
  • Shahzadi, Lubna
  • Ahmad, Riaz
  • Shafique, Muhammad Ahsan
  • Qasim, Saad B.
  • Husain, Shehriar
  • Khurshid, Zohaib
  • Najeeb, Shariq
  • Zafar, Muhammad S.
  • Shah, Altaf H.
  • Hashem, Mohamed I.
  • Vallittu, Pekka K.
  • Ramakrishnaiah, Ravikumar
  • Divakar, Darshan Devang
  • Kheraif, Abdulaziz Abdullah Al
  • Mohammad, Ashfaq
  • Kotha, Sunil Babu
  • Celur, Sree Lalita
  • Nasir, Muhammad
  • Amir, Walija
  • Anjum, Aneeq
  • Arshad, Rida
  • Rawlinson, A.
  • Delaine-Smith, R. M.
  • Najeeb, S.
  • Qasim, S. B.
  • Khalid, H.
  • Iqbal, J.
  • Sarfraz, Z.
  • Khan, M.
  • Fareed, M. A.
  • Khan, F. U.
  • Khan, Z. U. H.
  • Ahmad, P.
  • Rehman, F.
  • Manzoor, F.
  • Hussain, A. N.
  • Sidra, L.
  • Siddiqi, S. A.
  • Tariq, M.
  • Jamal, A.
  • Chaudhry, A.
  • Kamran, M.
  • Ahmad, R.
  • Rehman, R.
  • Zafar, M. S.
  • Khurshid, Z.
  • Zohaib, S.
  • Macneil, S.
  • Zafar, Muhammad Sohail
  • Sauro, Salvatore
  • Martí, Juan Manuel Nuñez
  • Zohaib, Sana
  • Matinlinna, Jukka Pekka
  • Sauro, S.
  • Matinlinna, J. P.
  • Martí, J. M. N.
  • Glogauer, M.
  • Roohpour, N.
  • Sheikh, Z.
  • Gilani, M. A.
  • Zarif, F.
  • Tabassum, S.
  • Zahid, S.
  • Mian, S. A.
  • Azam, M. T.
  • Kheraif, A. A. Al
  • Elsharawy, M. A.
  • Alsaleh, A. K.
  • Mohamed, K. M. Ismail
  • Ramakrishaniah, R.
  • Khan, A. F.
  • Ahmad, S.
  • Ain, Q.
  • Raza, Yousuf
  • Marty, Jean-Louis
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article

Synthesis and in-vitro analysis of degradative resistance of a novel bioactive composite

  • Rehman, Ihtesham Ur
  • Aziz, M. S.
  • Wong, F.
  • Khan, A. S.
  • Paul, D.
Abstract

The biostability of the polymer is one of the critical parameters to use them for biomaterial application. Polyurethane being one of the most compliant polymer but there are concerns regarding its resistance to degradation, particularly from hydrolysis and oxidation. The aim of this study is to synthesise a novel bioactive composite by creating a covalent linkage between polyurethane and nano-apatites and to analyse the in-vitro hydrolytic degradation of a series of newly synthesised polyurethane (PU) and polyurethane/nano-hydroxyapatite (PU/n-HA) composites. Nano-apatite powder was produced through sol-gel technique. A novel polyurethane composite material was prepared by chemically bonding the n-HA to the diisocyanate component in the polyurethane backbone by utilising solvent polymerisation. The concentration of nano-apatite was 5, 10, 15 and 20% wt/wt in polyurethane. Hydrolytic degradation of the PU and PU/n-HA composites were carried out both in deionised water and in phosphate buffer solution (PBS) having (pH 7.4) at 37 °C for a predetermined time interval of 90 days. The PU and PU/ n-HA composites were physically and chemically characterised by using contact angle measurement, weight loss, Fourier Transform Infrared spectroscopy couples with Photoacoustic Sampling Cell (FTIR-PAS), Raman Spectroscopy, X-ray Diffraction (XRD) and Scanning electron microscopy (SEM). These characterisations showed that with the addition of n-HA the composite exhibits hydrophobic behaviour and degradation rate reduces due to covalent linkage between n-HA and PU. Hence it has been concluded that the degradation rate of the newly developed PU/n-HA composites can be controlled, which helps in tailor making the biomaterial for specific applications. Copyright © 2008 American Scientific Publishers All rights reserved.

Topics
  • impedance spectroscopy
  • polymer
  • scanning electron microscopy
  • x-ray diffraction
  • composite
  • positron annihilation lifetime spectroscopy
  • Photoacoustic spectroscopy
  • Raman spectroscopy
  • Fourier transform infrared spectroscopy