Skip to main content

Research Repository

Advanced Search

Dr ASMA AHMED's Outputs (22)

Optimising a novel biofilm-based process using Neurospora discreta for enhanced treatment of lignin-rich wastewater (2025)
Journal Article
Taneja, H., Tabraiz, S., & Ahmed, A. (2025). Optimising a novel biofilm-based process using Neurospora discreta for enhanced treatment of lignin-rich wastewater. Water Science and Engineering, https://doi.org/10.1016/j.wse.2025.02.001

Paper and pulp mills generate substantial volumes of wastewater containing lignin-derived compounds that are challenging to degrade using conventional wastewater treatment methods. This study presents a novel biofilm-based process for enhanced lignin... Read More about Optimising a novel biofilm-based process using Neurospora discreta for enhanced treatment of lignin-rich wastewater.

A novel dataset of annotated oyster mushroom images with environmental context for machine learning applications (2024)
Journal Article
Duman, S., Elewi, A., Hajhamed, A., Khankan, R., Souag, A., & Ahmed, A. (2024). A novel dataset of annotated oyster mushroom images with environmental context for machine learning applications. Data in Brief, 57, Article 111074. https://doi.org/10.1016/j.dib.2024.111074

State-of-the-art technologies such as computer vision and machine learning, are revolutionizing the smart mushroom industry by addressing diverse challenges in yield prediction, growth analysis, mushroom classification, disease and deformation detect... Read More about A novel dataset of annotated oyster mushroom images with environmental context for machine learning applications.

Nonlinear viscoelasticity of filamentous fungal biofilms of Neurospora discreta (2024)
Journal Article
Aiswarya, N. M., Tabraiz, S., Taneja, H., Ahmed, A., & Aravinda Narayanan, R. (2024). Nonlinear viscoelasticity of filamentous fungal biofilms of Neurospora discreta. Biofilms, 8, Article 100227. https://doi.org/10.1016/j.bioflm.2024.100227

The picture of bacterial biofilms as a colloidal gel composed of rigid bacterial cells protected by extracellular crosslinked polymer matrix has been pivotal in understanding their ability to adapt their microstructure and viscoelasticity to environm... Read More about Nonlinear viscoelasticity of filamentous fungal biofilms of Neurospora discreta.

Bicarbonate concentration influences carbon utilization rates and biochemical profiles of freshwater and marine microalgae (2024)
Journal Article
Kusi, P. A., McGee, D., Tabraiz, S., & Ahmed, A. (2024). Bicarbonate concentration influences carbon utilization rates and biochemical profiles of freshwater and marine microalgae. Biotechnology Journal, 19(8), Article 2400361. https://doi.org/10.1002/biot.202400361

Selecting the optimal microalgal strain for carbon capture and biomass production is crucial for ensuring the commercial viability of microalgae-based biorefinery processes. This study aimed to evaluate the impact of varying bicarbonate concentration... Read More about Bicarbonate concentration influences carbon utilization rates and biochemical profiles of freshwater and marine microalgae.

Nonlinear Viscoelasticity of Filamentous Fungal Biofilms of Neurospora Discreta (2024)
Preprint / Working Paper
Narayanan Raghavan, A., M. Aiswarya, N., Tabraiz, S., Taneja, H., & Ahmed, A. Nonlinear Viscoelasticity of Filamentous Fungal Biofilms of Neurospora Discreta

The picture of bacterial biofilms as a colloidal gel composed of rigid bacterial cells protected by extracellular crosslinked polymer matrix has been pivotal in understanding their ability to adapt their microstructure and viscoelasticity to environm... Read More about Nonlinear Viscoelasticity of Filamentous Fungal Biofilms of Neurospora Discreta.

Annotated Oyster Mushroom Images (2024)
Data
Duman, S., Elewi, A., Hajhamed, A., Khankan, R., Souag, A., & Ahmed, A. (2024). Annotated Oyster Mushroom Images. [Data]. https://doi.org/10.17632/HF55TKX489.1

We present a novel dataset of annotated oyster mushroom images, comprising 555 raw camera images, about 8,000 mushroom-labeled images, over 8,000 maturity-labeled images, various annotation files, and environmental sensor data. Captured day and night... Read More about Annotated Oyster Mushroom Images.

Design and implementation of a cost-aware and smart oyster mushroom cultivation system (2024)
Journal Article
Elewi, A., Hajhamed, A., Khankan, R., Duman, S., Souag, A., & Ahmed, A. (2024). Design and implementation of a cost-aware and smart oyster mushroom cultivation system. Smart Agricultural Technology, 8, Article 100439. https://doi.org/10.1016/j.atech.2024.100439

Mushrooms are a nutritious food source, which can play a crucial role in providing affordable sources of proteins, vitamins and minerals for people worldwide, but their cultivation requires extensive training and considerable relevant expertise in or... Read More about Design and implementation of a cost-aware and smart oyster mushroom cultivation system.

Biofilm-based simultaneous nitrification, denitrification, and phosphorous uptake in wastewater by Neurospora discreta (2022)
Journal Article
Tabraiz, S., Aiswarya, N. M., Taneja, H., Narayanan, R. A., & Ahmed, A. (2022). Biofilm-based simultaneous nitrification, denitrification, and phosphorous uptake in wastewater by Neurospora discreta. Journal of Environmental Management, 324, 116363. https://doi.org/10.1016/j.jenvman.2022.116363

Biological removal of nitrogen and phosphorous from wastewater conventionally involves multiple processing steps to satisfy the differing oxygen requirements of the microbial species involved. In this work, simultaneous nitrification, denitrification... Read More about Biofilm-based simultaneous nitrification, denitrification, and phosphorous uptake in wastewater by Neurospora discreta.

UV-filter pollution: current concerns and future prospects (2021)
Journal Article
de Miranda, L., Harvey, K., Ahmed, A., & Harvey, S. (2021). UV-filter pollution: current concerns and future prospects. Environmental Monitoring and Assessment, 193, Article 840. https://doi.org/10.1007/s10661-021-09626-6

UV-filters are widely used in cosmetics and personal care products to protect users’ skin from redamage caused by ultraviolet (UV) radiation from the sun. Globally, an estimated 16,000 to 25,000 tonnes of products containing UV-filters were used in 2... Read More about UV-filter pollution: current concerns and future prospects.

Fungal Solubilisation and Subsequent Microbial Methanation of Coal Processing Wastes (2021)
Journal Article
Ahmed, A., & Sharma, A. (2021). Fungal Solubilisation and Subsequent Microbial Methanation of Coal Processing Wastes. Applied Biochemistry and Biotechnology, 193(12), 3970-3982. https://doi.org/10.1007/s12010-021-03681-y

Large quantities of rejects from coal processing plants are currently disposed of as waste piles or in ponds and rivers, resulting in environmental concerns including pollution of rivers, and ground and surface water contamination. This work investig... Read More about Fungal Solubilisation and Subsequent Microbial Methanation of Coal Processing Wastes.

Influence of carbon source complexity on porosity, water retention and extracellular matrix composition of Neurospora discreta biofilms (2020)
Journal Article
Ahmed, A., Narayanan, R., & Veni, A. (2020). Influence of carbon source complexity on porosity, water retention and extracellular matrix composition of Neurospora discreta biofilms. Journal of Applied Microbiology, 128(4), 1099-1108. https://doi.org/10.1111/jam.14539

Aims
To evaluate carbon source complexity as a process lever to impact the microstructure, chemical composition and water retention capacity of biofilms produced by Neurospora discreta.

Methods and Results
Biofilms were produced by nonpathogenic... Read More about Influence of carbon source complexity on porosity, water retention and extracellular matrix composition of Neurospora discreta biofilms.

A first report on competitive inhibition of laccase enzyme by lignin degradation intermediates (2019)
Journal Article
Pamidipati, S., & Ahmed, A. (2020). A first report on competitive inhibition of laccase enzyme by lignin degradation intermediates. Folia Microbiologica, 65, 431-437. https://doi.org/10.1007/s12223-019-00765-5

Laccases have been widely explored for their ligninolytic capability in bioethanol production and bioremediation of industrial effluents. However, low reaction rates have posed a major challenge to commercialization of such processes. This study repo... Read More about A first report on competitive inhibition of laccase enzyme by lignin degradation intermediates.

Arrested fungal biofilms as low-modulus structural bio-composites: Water holds the key (2019)
Journal Article
Aravinda Narayanan, R., & Ahmed, A. (2019). Arrested fungal biofilms as low-modulus structural bio-composites: Water holds the key. European Physical Journal E, 42, Article 134. https://doi.org/10.1140/epje/i2019-11899-2

Biofilms are self-assembling structures consisting of rigid microbial cells embedded in a soft biopolymeric extracellular matrix (ECM), and have been commonly viewed as being detrimental to health and equipment. In this work, we show that biofilms fo... Read More about Arrested fungal biofilms as low-modulus structural bio-composites: Water holds the key.

Erratum to: Degradation of Lignin in Agricultural Residues by locally Isolated Fungus Neurospora discreta (2017)
Journal Article
Pamidipati, S., & Ahmed, A. (2017). Erratum to: Degradation of Lignin in Agricultural Residues by locally Isolated Fungus Neurospora discreta. Applied Biochemistry and Biotechnology, 182(3), 1256-1257. https://doi.org/10.1007/s12010-016-2380-5

The original version of this article unfortunately contained a mistake. The order of Figure 4 sub-panel images were placed incorrectly; the correct version is provided below and the original article has been corrected. The figure caption remains the... Read More about Erratum to: Degradation of Lignin in Agricultural Residues by locally Isolated Fungus Neurospora discreta.

Degradation of Lignin in Agricultural Residues by locally Isolated Fungus Neurospora discreta (2016)
Journal Article
Pamidipati, S., & Ahmed, A. (2017). Degradation of Lignin in Agricultural Residues by locally Isolated Fungus Neurospora discreta. Applied Biochemistry and Biotechnology, 181(4), 1561-1572. https://doi.org/10.1007/s12010-016-2302-6

Locally isolated fungus, Neurospora discreta, was evaluated for its ability to degrade lignin in two agricultural residues: cocopeat and sugarcane bagasse with varying lignin concentrations and structures. Using Klason’s lignin estimation, high-perfo... Read More about Degradation of Lignin in Agricultural Residues by locally Isolated Fungus Neurospora discreta.

Improved ammonium removal from industrial wastewater through systematic adaptation of wild type Chlorella pyrenoidosa (2016)
Journal Article
Ahmed, A., Jyothi, N., & Ramesh, A. (2017). Improved ammonium removal from industrial wastewater through systematic adaptation of wild type Chlorella pyrenoidosa. Water Science and Technology, 75(1), 182-188. https://doi.org/10.2166/wst.2016.507

A single step process is proposed for ammonium removal from nitrogenous industrial effluents, with a concomitant generation of algal biomass. A microalgal strain found in the effluent treatment plant of a fertilizer industry in Mumbai, India was syst... Read More about Improved ammonium removal from industrial wastewater through systematic adaptation of wild type Chlorella pyrenoidosa.

Ethanol via biomass-generated syngas (2008)
Journal Article
Lewis, R., Frankman, A., Tanner, R., Ahmed, A., & Huhnke, R. (2008). Ethanol via biomass-generated syngas. International Sugar Journal, 110(1311), 150-152, 154-155 ref. 22

Developing low-cost sustainable fuels, such as ethanol, is receiving much attention due to rising energy costs, national security, and environmental issues. Renewable biomass, such as switchgrass, can be utilized to produce fuel-grade ethanol via a g... Read More about Ethanol via biomass-generated syngas.