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  1. No Access

    Article

    Production of bacterial cellulose from alternative cheap and waste resources: A step for cost reduction with positive environmental aspects

    Bacterial cellulose (BC), an important biopolymer, has gained tremendous interest in several fields in the last few decades. Despite having the same chemical structure as plant cellulose, BC is superior in phy...

    Mazhar Ul-Islam, Muhammad Wajid Ullah in Korean Journal of Chemical Engineering (2020)

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    Article

    Preparation, characterization and in-vitro evaluation of bacterial cellulose matrices for oral drug delivery

    Bacterial cellulose (BC) is a pure form of cellulose and has some superior properties such as an ultrafine fiber network, high water-holding capacity and ease of fabrication into a desired shape. It has been w...

    Munair Badshah, Hanif Ullah, Shujaat Ali Khan, Joong Kon Park, Taous Khan in Cellulose (2017)

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    Article

    Recent advancements in bioreactions of cellular and cell-free systems: A study of bacterial cellulose as a model

    Conventional approaches of regulating natural biochemical and biological processes are greatly hampered by the complexity of natural systems. Therefore, current biotechnological research is focused on improvin...

    Muhammad Wajid Ullah, Mazhar Ul Islam in Korean Journal of Chemical Engineering (2017)

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    Article

    Current advancements of magnetic nanoparticles in adsorption and degradation of organic pollutants

    Nanotechnology is a fast-emerging field and has received applications in almost every field of life. Exploration of new synthetic technologies for size and shape control of nanomaterials is getting immense con...

    Mazhar Ul-Islam, Muhammad Wajid Ullah in Environmental Science and Pollution Resear… (2017)

  5. No Access

    Article

    Production, characterization and biological features of bacterial cellulose from scum obtained during preparation of sugarcane jaggery (gur)

    Bacterial cellulose (BC) has been given an ample attention due to its high potential for many industrial applications. However, the high cost of production medium has hindered the commercialization of BC. Seve...

    Waleed Ahmad Khattak, Taous Khan, Mazhar Ul-Islam in Journal of Food Science and Technology (2015)

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    Article

    Synthesis and characterization of a novel bacterial cellulose–poly(3,4-ethylenedioxythiophene)–poly(styrene sulfonate) composite for use in biomedical applications

    This study explores the biocompatible behavior of bacterial cellulose (BC) composites with the highly conductive poly(3,4-ethylenedioxythiophene)–poly(styrene sulfonate) (PEDOT:PSS). To synthesize this novel c...

    Shaukat Khan, Mazhar Ul-Islam, Muhammad Wajid Ullah, Yeji Kim, Joong Kon Park in Cellulose (2015)

  7. No Access

    Article

    Encapsulated yeast cell-free system: A strategy for cost-effective and sustainable production of bio-ethanol in consecutive batches

    This study was intended to develop an encapsulated yeast cell-free system (EyCFS) by confining yeast cell-free lysate within a calcium alginate capsule. The system was evaluated for bio-ethanol production at e...

    Muhammad Wajid Ullah, Waleed Ahmad Khattak in Biotechnology and Bioprocess Engineering (2015)

  8. No Access

    Article

    Enhanced bio-ethanol production via simultaneous saccharification and fermentation through a cell free enzyme system prepared by disintegration of waste of beer fermentation broth

    Current study illustrates the effect of high yeast cell density contained in the waste of beer fermentation broth (WBFB) on bio-ethanol production through simultaneous saccharification and fermentation (SSF). ...

    Shaukat Khan, Mazhar Ul-Islam in Korean Journal of Chemical Engineering (2015)

  9. No Access

    Article

    Production, Characterization and Physico-mechanical Properties of Bacterial Cellulose from Industrial Wastes

    In the current study, two different alternative media including black strap molasses (BSM) and molasses from condensation unit of brewery industry (MB) were evaluated for production of bacterial cellulose (BC)...

    Waleed Ahmad Khattak, Taous Khan in Journal of Polymers and the Environment (2015)

  10. No Access

    Article

    Bacterial cellulose-titanium dioxide nanocomposites: nanostructural characteristics, antibacterial mechanism, and biocompatibility

    Regenerated bacterial cellulose (RBC) nanocomposites with titanium dioxide nanoparticles (TiO2 NPs) were prepared with the aim to enhance the bactericidal activity and tissue regeneration properties of BC. Powder...

    Shaukat Khan, Mazhar Ul-Islam, Waleed Ahmad Khattak, Muhammad Wajid Ullah in Cellulose (2015)

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    Reference Work Entry In depth

    Endogenous Hydrolyzing Enzymes: Isolation, Characterization, and Applications in Biological Processes

    Enzymes are the key substances responsible for a variety of biotechnological processes involved in the production of useful bioproducts. Malt and microbial species (bacteria, fungi, etc.) are the main sources ...

    Waleed Ahmad Khattak, Mazhar Ul-Islam, Muhammad Wajid Ullah in Polysaccharides (2015)

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    Chapter

    Synthesis, Chemistry, and Medical Application of Bacterial Cellulose Nanocomposites

    Bacterial cellulose (BC), an environmental friendly polymeric material, has recently received immense attention in the human society. Herein, we have focused on the biosynthesis, chemical structure, and physio...

    Mazhar Ul-Islam, Shaukat Khan, Waleed Ahmad Khattak in Eco-friendly Polymer Nanocomposites (2015)

  13. No Access

    Article

    Developmental strategies and regulation of cell-free enzyme system for ethanol production: a molecular prospective

    Most biomanufacturing systems developed for the production of biocommodities are based on whole-cell systems. However, with the advent of innovative technologies, the focus has shifted from whole-cell towards ...

    Waleed Ahmad Khattak, Muhammad Wajid Ullah in Applied Microbiology and Biotechnology (2014)

  14. No Access

    Article

    Synthesis of regenerated bacterial cellulose-zinc oxide nanocomposite films for biomedical applications

    Regenerated bacterial cellulose (RBC) composites with zinc-oxide nanoparticles (ZnO) were prepared using a new strategy for enhanced biomedical applications of BC. Powdered BC was dissolved in N-methylmorpholine-

    Mazhar Ul-Islam, Waleed Ahmad Khattak, Muhammad Wajid Ullah, Shaukat Khan in Cellulose (2014)

  15. No Access

    Living Reference Work Entry In depth

    Endogenous Hydrolyzing Enzymes See Endogenous hydrolyzing enzymes (EHEs) : Isolation, Characterization, and Applications in Biological Processes

    Enzymes are the key substances responsible for a variety of biotechnological processes involved in the production of useful bioproducts. Malt and microbial species (bacteria, fungi, etc.) are the main sources ...

    Waleed Ahmad Khattak, Mazhar Ul-Islam, Muhammad Wajid Ullah in Polysaccharides

  16. No Access

    Article

    Partial purification of saccharifying and cell wall-hydrolyzing enzymes from malt in waste from beer fermentation broth

    A number of hydrolyzing enzymes that are secreted from malt during brewing, including cell wall-hydrolyzing, saccharide-hydrolyzing, protein-degrading, lipid-hydrolyzing, and polyphenol and thiol-hydrolyzing e...

    Waleed Ahmad Khattak, Minkyung Kang in Bioprocess and Biosystems Engineering (2013)

  17. No Access

    Article

    Bacterial cellulose-MMTs nanoreinforced composite films: novel wound dressing material with antibacterial properties

    This study was conducted to develop nanocomposite films of bacterial cellulose (BC) and montmorillonite (MMT) with potent antibacterial activity and potential therapeutic value in wound healing and tissue rege...

    Mazhar Ul-Islam, Taous Khan, Waleed Ahmad Khattak, Joong Kon Park in Cellulose (2013)

  18. No Access

    Article

    Effect of post-synthetic processing conditions on structural variations and applications of bacterial cellulose

    Physicochemical properties of materials can be amended by altering their physical structure through different processing conditions. The present study was conducted to investigate the post-synthesis structural...

    Mazhar Ul-Islam, Waleed Ahmad Khattak, Minkyung Kang, Sang Min Kim, Taous Khan in Cellulose (2013)

  19. No Access

    Article

    Prospects of reusable endogenous hydrolyzing enzymes in bioethanol production by simultaneous saccharification and fermentation

    This study was conducted to evaluate the presence, origination and classification of various hydrolyzing enzymes from malt and their specified hydrolyzing effects on various substrates for bioethanol productio...

    Waleed Ahmad Khattak, Mazhar Ul-Islam in Korean Journal of Chemical Engineering (2012)

  20. No Access

    Article

    Evaluation of sediments of the waste from beer fermentation broth for bioethanol production

    As our previous studies showed, the waste from beer fermentation broth (WBFB) is a potential resource for bio-ethanol production. The original WBFB was superior to the supernatant in this regard. The current s...

    Jung Hwan Ha, Min-Kyung Gang, Taous Khan in Korean Journal of Chemical Engineering (2012)

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