Dr. M. Nuruzzaman Khan

Nitrogen-enriched spherical carbon nanomaterials have received intense interest due to their potential applications in catalysis, energy applications, CO2 and CH4 adsorption, and more. The enrichment of nitrogen in carbon nanomaterials can enhance various physical properties of the materials such as surface polarity, current density etc. The successful use of this technique solely depends on the ability to obtain colloidal spheres with tightly controlled sizes and surface properties. We systemically analyze these materials with a set of suitable model systems to develop facile and versatile method to synthesize nitrogen-enriched carbon-like nanoparticles with tailored functional properties from 3D, 2D structural protein templates.

Relevant publications:

1. M. Nuruzzaman Khan, Orimoto Y and Hirotaka Ihara : Amphiphilic spherical nanoparticles with a nitrogen-enriched carbon-like surface by using β-lactoglobulin as a template, Chemical Communications (impact factor:6.2) , vol.54 , no.94 , pp.13204-13207 , 2018 .

2. M. Nuruzzaman Khan, Islam, T, Alam, M. A and Khan, R. A "Bio-Protein: Fabrication and Application.." Encyclopedia of Biomedical Polymers and Polymeric Biomaterials. Taylor and francis LLC, NewYork, USA, 2016

Environmental concerns have resulted in a renewed interest in agro-based materials, and therefore issues such as recyclability and environmental safety are becoming increasingly important for the introduction of new materials and products. Nowadays, there is a growing interest in the use of agro-fibers (jute, hemp, rice husk, abaca wheat straw, coir, kenaf, flax etc) as reinforcing components for thermoplastics, because they are more economical than the synthetic fibers. Composites are versatile and convenient in diverse application such as automotive and aeronaut industry, constructional materials, civil and military applications and many more. We investigate composite based on polymer resins for structural applications.

Relevant publications:

1. Luna, I. Z, Dam, K. C, Chowdhury, A, Gafur, M. A and M. Nuruzzaman Khan : Physical and Thermal Characterization of Alkali Treated Rice Husk Reinforced Polypropylene Composites, Advances in Materials Science and Engineering , vol.2015 , pp.1-7 , 2015 .

2 Ruhul A. Khan, Mubarak A. Khan, Sabrina Sultana, M. Nuruzzaman Khan, Quazi T.H. Shubhra and Farhana G. Noor : Mechanical, Degradation, and Interfacial Properties of Synthetic Degradable Fiber Reinforced Polypropylene Composites (Editor's choice), The Journal of Reinforced Plastics and Composites (impact factor:1.78) , vol.29 , no.3 , pp.466-476 , 2009

Chemistry and morphology of surfaces and interfaces can be controlled with nanometer scale precision both through a specific design of self-assembled monolayer and by different lithographic tools, including e-beam and UV irradiation. Also, complex 3D nanostructures are design and custom made for a wide range of applications.

Relevant publications:

1. M Nuruzzaman Khan and Micheal Zharnikov. Irradiation Promoted Exchange Reaction with Disulfide Substituents, The Journal of Physical Chemistry C , vol.117 , pp.14534-14543 , 2013

2. Weber, T, Meyebröker, N, M. Nuruzzaman khan and Zharnikov, M. UV-Mediated Tuning of Surface Biorepulsivity in Aqueous Environment, Chemical Communication (impact factor:6.2) , vol.50 , pp.4325-4327 , 2014 .

We developed a universal two-step procedure to fabricate mixed ssDNA/OEG-AT monolayers and patterns on gold substrates (OEG-AT: oligo(ethylene glycol) substituted alkanethiol). The procedure is based on promoted exchange reaction and relies on commercially available compounds—making it easily accessible—and is highly flexible in terms of the composition of the mixed monolayers, as well as the size and shape of the DNA patterns that can be formed on the OEG-AT background.

Relevant publications:

1. M Nuruzzaman Khan, Tjong, V, Chilkoti, A and Micheal Zharnikov : Fabrication of ssDNA/oligo (ethylene glycol) Monolayers and Complex Nanostructures by Irradiation Promoted Exchange Reaction, Angewandte Chemie International Edition (impact factor:12.57) , vol.51 , pp.10303-10306 , 2013 .

2. M Nuruzzaman Khan and Micheal Zharnikov : Fabrication of ssDNA/Oligo(ethylene glycol) Monolayers and Patterns by Exchange Reaction Promoted by Ultraviolet Light Irradiation, The Journal of Physical Chemistry C (impact factor:4.3) , vol.117 , pp.24883-24893 , 2013 .

3. M Nuruzzaaman Khan and Micheal Zharnikov : Fabrication of ssDNA/Oligo(ethylene glycol) Monolayers by Promoted Exchange Reaction with Thiol and Disulfide Substituents, The Journal of Physical Chemistry C (impact factor:4.3) , vol.118 , pp.3093-3101 , 2014 .

Nanotechnology gained much attention for its vital pioneering role in controlling materials at the atomic and molecular stages to drastically alter the product properties. Materials reduced to the nanometric scale display significantly different properties compared to what they display at the macroscale or microscales. Inorganic nanoparticles are widely studied in the preparation of advanced materials, because of their unique properties. Our research area comprises the design, construction and utilization of functional nanomaterials structures for applications in many fields for the development of advanced materials.

Relevant publications:

1 Luna, I.Z, Hilary, L.N, Chowdhury, A.M.S, Gafur, M.A and M. Nuruzzaman Khan : Preparation and Characterization of Copper Oxide Nanoparticles Synthesized via Chemical Precipitation Method, Open Access Library Journal , vol.2 , pp.1-8 , 2015 .

2. Luna, I. Z, Chowdhury, S, Gafur, M. A, M Nuruzzaman Khan and Khan, R. A : Preparation and Characterization of CuO-PVA Nanofluids for Heat Transfer Applications, J. Chem. Eng. Chem. Res, vol.2 , no.5 , pp.607-615 , 2015 .

3. 1. M. Mehedi Hasan, M. Nuruzzaman Khan, Papia Haque and Mohammed Mizanur Rahman : Mohammed Mizanur Rahman, International Journal of Biological Macromolecules (impact factor:4.78) , vol.117 , pp.1110-1117 , 2018

The search for novel materials appears to be a never ending pursuit as new challenges will always push to drive Innovations. We look into innovative technologies focused around bio-based materials. Locally available biopolymers with their excellent properties such as sustainability, eco-efficiency, industrial ecology, biodegradability, and biocompatibility and renewable nature are under investigation.

Relevant publications:

1. Islam, M. N.; Khan, M. Nuruzzaman.; Mallik, A. K.; Rahman, M. M., Preparation of bio-inspired trimethoxysilyl group terminated poly(1-vinylimidazole)-modified-chitosan composite for adsorption of chromium (VI) ions. Journal of Hazardous Materials 2019, 379, 120792.

2. Sh. Biswas, Md. M. Islam, M. M. Hasan, S. H. Rimu, M. Nuruzzaman Khan and M. M. Rahman : Evaluation of Cr (VI) Ion Removal from Aqueous Solution by Bio-Inspired Chitosan-Clay Composite: Kinetics and Isotherms, Iranian Journal of Chemical Engineering , 2018, 15, 4 .

3. Biswas, S.; Rashid, T. U.; Mallik, A. K.; Islam, M. M.; Khan, M. Nuruzzaman.; Haque, P.; Khan, M.; Rahman, M. M., Facile Preparation of Biocomposite from Prawn Shell Derived Chitosan and Kaolinite-Rich Locally Available Clay. International Journal of Polymer Science 2017, 6472131.

Biopolymer based scaffolds or hydrogels provides support, niche environment, and degrades in parallel with bone/ soft tissue regeneration. These Hydrogel scaffolds are considered as an important class of biodegradable materials, since they can closely mimic the structure and some of the properties of extracellular matrix of host tissues. We are particularly interested to develop scaffolds or hydrogels from available natural materials to be engineered before introduced in the defected area of the skin/bone.

Relevant publications:

1. M. Mehedi Hasan, M. Nuruzzaman Khan, Papia Haque and Mohammed Mizanur Rahman, Novel alginate-di-aldehyde cross-linked gelatin/nano-hydroxyapatite bioscaffolds for soft tissue regeneration, International Journal of Biological Macromolecules (impact factor:4.78), 2018, 117 , 1110.

2. Khan, M. Nuruzzaman.; Islam, J. M.; Khan, M. A., Fabrication and characterization of gelatin-based biocompatible porous composite scaffold for bone tissue engineering. Journal of Biomedical Materials Research. Part A 2012, 100 (11), 3020.

3. Mohammed Mizanur Rahman, Md. Shahruzzaman, Md. Sazedul Islam, M. Nuruzzaman Khan and Papia Haque : Preparation and properties of biodegradable polymer/nano-hydroxyapatite bioceramic scaffold for spongy bone regeneration, Journal of Polymer Engineering, (impact factor:1.07), 2018, 39 (2), 134.

The surface properties of nanoparticles are significant for particular use, therefore tailor made surface properties can be realized through surface modification with organic and inorganic materials. The magnetic nanoparticles are important class of nanomaterials for research in various avenue of medical fields such as drug carrier, resonance imaging, separation etc. We explore the naturally available biomaterials for making multifunctional custom made nanoparticles for drug delivery and controlled release.

Relevant publications:

1. Md. Mehedi Hasan, Adib H. Chisty, Mohammed Mizanur Rahman and M. Nuruzzaman Khan "Bioprotein Based IPN Nanoparticles as Potential Vehicles for Anticancer Drug Delivery: Fabrication Technology." Interpenetrating Polymer Network: Biomedical Applications. Springer Nature Singapore Pte Ltd., 2020 183-203 .

2. Islam, M. S.; Haque, P.; Rashid, T. U.; Khan, M. Nuruzzaman.; Mallik, A. K.; Khan, M.; Rahman, M. M., Core-shell drug carrier from folate conjugated chitosan obtained from prawn shell for targeted doxorubicin delivery. Journal of materials science. Materials in medicine 2017, 28 (4), 55

The research aim to development of next-generation scaffolds and smart materials that can be used for rapid wound healing process. The search of a suitable biocompatible, biodegradable and anti-microbial highly efficient nano-biomaterial to minimize scar formation, while accelerating the wound healing process is crucial. Naturally available biomaterials are required to exhibit certain characteristics to be considered suitable for use as wound dressings. A large number of natural resource materials, such as collagen, gelatin, alginate, nanocellulose and chitin/chitosan are under investigation to be used as scaffolds for tissue engineering application. Salient features of these materials are explored in an attempt to provide a desired niche for robust wound healing process.

The electrospinning of various biopolymers and their derivatives in room temperature for functional applications have been a interesting area of research in recent time. We investigate the effect of copolymer addition in electrospinning. Additionally, co-solvent, which significantly decreased the surface charge, surface tension, viscosity and entanglement density of the network and increased the conductivity of the spinning dope, contributed to a continuous jet will be adapted. The research outcomes will provide simple and practical methods of fabricating biopolymers based nanofibres mats / unwoven mats through the electrospinning of their viscous solutions. This will make improvements in the electrospinning of native biopolymer, which allow the production of ultra-thin fibres in a large scale.

Relevant publications:

1. M Nuruzzaman Khan and , Md. Nazrul Islam, Md. Sazedul Islam, Md. Minhajul Islam, Md. Sirajur Rahman. Sumaya Farhana Kabir, Tanvir Ahmed and Mohammed Mizanur Rahman "Physico-chemical Properties of Cellulose Nanoparticle Based Advanced Materials." Cellulose Nanoparticles: Synthesis and Manufacturing (Accepted). Royal Society of Chemistry (RSC), 2020 .

Renewable Materials for Metal

Renewable Biopolymers-based composites

Bio-nanoparticle based Drug delivery

Synthesis of nanoparticles

Bioprotein Templated Nanostructures

Sustainable textile production

Renewable Materials for Metal

Bio-inspired Advance Materials for Soft Tissue Engineering

cancer

Renewable Materials for Metal

ATRP on monomolecular templates

Lithography on monomolecular templates

2020, Invited Speaker, Science Talk Noble prize in Chemistry 2020, Organised Biggan Chinta, Prothom Alo

2020, Panel Judge, World Food Day, Poster Presentation Contest, organised by DIU.

2020 Invited Speaker, Advanced Nanomaterials for Environmental Remediation, organised by Bangladesh Nano Society

2020 Invited speaker, Research, Higher Studies, carrier development, DIU, Dhaka, BD

2012 Flash Talk, Falling Wall Lab, Berlin, Germany.

2013 Invited Young Researcher, Lindau Nobel Laureate Meeting, 2013, Germany

2014 Invited Speaker, Young BB Conference, University of Dhaka