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Results for “"Kawcher Ahmed"”

19 results

Rice Leaf Disease Detection Using Machine Learning Techniques

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Kawcher Ahmed, Tasmia Rahman Shahidi, Syed Md. Irfanul Alam, Sifat Momen

Year: 2019Citations: 318

As one of the top ten rice producing and consuming countries in the world, Bangladesh depends greatly on rice for its economy and for meeting its food demands. To ensure healthy and proper growth of the rice plants it is essential to detect any disease in time and prior to applying required treatmen...

Life Sciences
Agricultural and Biological Sciences
Plant Science
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A comparative study in estimating of crystallite sizes of synthesized and natural hydroxyapatites using Scherrer Method, Williamson-Hall model, Size-Strain Plot and Halder-Wagner Method

Verified

Md. Kawcher Alam, Md. Sahadat Hossain, Newaz Mohammed Bahadur, Samina Ahmed

Journal: Journal of Molecular StructureYear: 2024Citations: 156
Physical SciencesMaterials ScienceMaterials Chemistry
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Metal oxide-based photocatalysts for the efficient degradation of organic pollutants for a sustainable environment: a review

Verified

Abdullah Al Miad, Shassatha Paul Saikat, Md. Kawcher Alam, Md. Sahadat Hossain et al.

Journal: Nanoscale AdvancesYear: 2024Citations: 147

Photocatalytic degradation is a highly efficient technique for eliminating organic pollutants such as antibiotics, organic dyes, toluene, nitrobenzene, cyclohexane, and refinery oil from the environment. The effects of operating conditions, concentrations of contaminants and catalysts, and their imp...

Physical SciencesEnergyRenewable Energy, Sustainability and the EnvironmentOpen Access
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Synthesis of nano-hydroxyapatite using emulsion, pyrolysis, combustion, and sonochemical methods and biogenic sources: a review

Verified

Md. Kawcher Alam, Md. Sahadat Hossain, Md. Abu Kawsar, Newaz Mohammed Bahadur et al.

Journal: RSC AdvancesYear: 2024Citations: 54

Different synthesis methods (emulsion, pyrolysis, combustion, and sonochemical) of calcium phosphates and exploration of biogenic sources.

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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Synthesis of pure and doped nano-calcium phosphates using different conventional methods for biomedical applications: a review

Verified

Md. Abu Kawsar, Md. Sahadat Hossain, Md. Kawcher Alam, Newaz Mohammed Bahadur et al.

Journal: Journal of Materials Chemistry BYear: 2024Citations: 28

solid-state, mechano-chemical, wet-chemical precipitation, hydrolysis, sol-gel, and hydrothermal methods) coupled with the variation in source materials and their influence in modifying the structural morphology from a bulky state to nanoscale to explore the applications of multifunctional calcium p...

Physical SciencesEngineeringBiomedical Engineering
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Green synthesis of nano-MgO using lemon juice for amplified photocatalytic degradation of organic pollutants

Verified

Md. Kawcher Alam, Md. Sahadat Hossain, Sumaya Tabassum, Newaz Mohammed Bahadur et al.

Journal: Open CeramicsYear: 2024Citations: 17

This study examines the photocatalytic activity of the green synthesized (using lemon juice) MgO nanoparticles under a halogen light for the degradation of Congo Red (CR). The characterization of the prepared sample was studied by applying Fourier Transform Infrared (FTIR) Spectroscopy, X-ray Diffra...

Physical SciencesMaterials ScienceMaterials ChemistryOpen Access
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Utilization of marine snails for the sustainable synthesis and crystallographic characterization of nano-crystallite hydroxyapatite

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Md. Kawcher Alam, Md. Sahadat Hossain, Md. Anayet Ullah, Newaz Mohammed Bahadur et al.

Journal: Hybrid AdvancesYear: 2024Citations: 14

In the present investigation, several biogenic sources of calcium were used to produce HAp nanomaterials by the use of a typical wet chemical precipitation technique. To determine the development of HAp nanocrystals, a variety of characterization methods were used, including X-ray diffraction (XRD),...

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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Sustainable synthesis and characterization of nano-triple superphosphate from solid marine wastes

Verified

Md. Kawcher Alam, Md. Sahadat Hossain, Mohammad Saimon Islam, Newaz Mohammed Bahadur et al.

Journal: Materials AdvancesYear: 2024Citations: 12

Today, it is vitally important to develop an environmentally sound source for the manufacturing of phosphate fertilizers, as the availability of mineral rock phosphate is diminishing day by day.

Physical SciencesEnvironmental ScienceIndustrial and Manufacturing EngineeringOpen Access
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Morphological change of ZnO using hydrothermal technique and organic modifiers

Verified

Md. Kawcher Alam, Md. Sahadat Hossain, Muhammad Sajid Hamid Akash, Abdullah Al Miad et al.

Journal: Nano-Structures & Nano-ObjectsYear: 2025Citations: 11
Physical SciencesMaterials ScienceMaterials Chemistry
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Fabrication and Characterization of a Bioscaffold Using Hydroxyapatite and Unsaturated Polyester Resin

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Md. Kawcher Alam, Md. Sahadat Hossain, Md. Anisur Rahman Dayan, Newaz Mohammed Bahadur et al.

Journal: ACS OmegaYear: 2024Citations: 10

Outstanding biodegradability and biocompatibility are attributes associated with particular polyester substances that make this group useful in specific biomedical fields. To assess the potential as a biomaterial, a novel composite consisting of hydroxyapatite (HAp) and unsaturated polyester resin (...

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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Fabrication of composite scaffolds using hydroxyapatite, epoxy resin and silica for load-bearing applications

Verified

Md. Kawcher Alam, Md. Sahadat Hossain, Newaz Mohammed Bahadur, Samina Ahmed

Journal: Materials AdvancesYear: 2024Citations: 9

Certain percentage of silica addition to the hydroxyapatite-based epoxy resin composites grately increase the (mechanical) properties for biomedical application.

Physical SciencesEngineeringBuilding and ConstructionOpen Access
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Human Face Detection and Recognition Protection System Based on Machine Learning Algorithms with Proposed AR Technology

Verified

Md. Imran Hossain Chowdhury, Newaz Mahmud Sakib, S.M. Masum Ahmed, Mohammad Zeyad et al.

Journal: Studies in computational intelligenceYear: 2022Citations: 8
Physical SciencesComputer ScienceComputer Vision and Pattern Recognition
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Synthesis and characterization of nano dicalcium phosphate dihydrate from biogenic sources

Verified

Md. Kawcher Alam, Md. Sahadat Hossain, Muhammad Sajid Hamid Akash, Muhammad Shahriar Bashar et al.

Journal: Results in MaterialsYear: 2025Citations: 5

In the present study, calcium-enriched marine sources (Turritella, Cardium, and Conch shells) were used to prepare dicalcium phosphate dihydrate (DCPD) in an easy, affordable, and sustainable manner. To produce DCPD, orthophosphoric acid was subjected to a reaction with each type of shell powdered s...

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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Synthesis of Mg-doped hydroxyapatite for enhanced photocatalytic degradation of Congo red dye: a crystallographic characterization

Verified

Md. Sahadat Hossain, Md. Kawcher Alam, Sumaya Tabassum, Samina Ahmed

Journal: Nanotechnology for Environmental EngineeringYear: 2024Citations: 5
Physical SciencesChemistryInorganic Chemistry
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Morphological Modification of Metal Oxide Nanomaterials Using Different Types of Organic Modifiers

Verified

Taskiya Akter, Md Asiful Islam, Abdullah Al Miad, Md. Kawcher Alam et al.

Journal: ChemistryOpenYear: 2025Citations: 3

Organic modifiers make incorporating nanoparticles into composite components easier, improving their optical, mechanical, and electrical characteristics. By altering the dimension, arrangement, aggregation, and surface characteristics of the nanoparticles, organic modifiers are thought to be an effi...

Physical SciencesMaterials SciencePolymers and PlasticsOpen Access
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A review on selective and sensitive application of biosensors in the healthcare sector

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Shassatha Paul Saikat, Abdullah Al Miad, Md. Kawcher Alam, Newaz Mohammed Bahadur et al.

Journal: Next MaterialsYear: 2026Citations: 2

Biosensors are transformative tools in the medical and biomedical fields, enabling precise, efficient, and real-time detection of analytes critical for diagnostics and therapeutic monitoring. This review explores five key biosensor types - nanomaterial-based, enzyme-based, antibody-based, aptamer-ba...

Life SciencesBiochemistry, Genetics and Molecular BiologyMolecular BiologyOpen Access
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Fabrication of hydroxyapatite-based scaffold and improvement of hardness by control addition of silica

Verified

Md. Kawcher Alam, Md. Sahadat Hossain, Muhammad Shahriar Bashar, Newaz Mohammed Bahadur et al.

Journal: Next research.Year: 2025Citations: 2

• Scaffolds were fabricated by using a simple compression technique . • Different properties were explored to check their probability as a biomaterial. • 1 % silica containing composited showed 175 % improvement of hardness. Pure hydroxyapatite is a well-known biomaterial for orthopedic applications...

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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Synthesis of valuable Plaster of Paris from waste marine mollusks: A crystallographic characterization from XRD

Verified

Abdullah Al Miad, Ataur Rahman, Md. Kawcher Alam, Samina Ahmed et al.

Journal: Next MaterialsYear: 2026

The present research demonstrated the possibility of using aquatic assets for the generation of materials by effectively synthesizing Plaster of Paris (CaSO 4 .0.5H 2 O), sourced from oceanic snail specimens, notably Cardium sp. and Conch sp. When sulfuric acid interacts with snail shells, it releas...

Physical SciencesMaterials ScienceBiomaterialsOpen Access
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Dietary salt consumption in an urban slum of Dhaka city

Verified

Reifad Zaman, Labida Islam, Towsifa Akhter, Halima Akter Sathi et al.

Journal: Zenodo (CERN European Organization for Nuclear Research)Year: 2022

<strong>Introduction:</strong> Dietary salt is one of the contributors to cardiovascular diseases. However, minimal research has been done to estimate salt consumption among Bangladeshi citizens. The objective of this study was to determine the mean dietary salt consumption of adults living in a slu...

Health SciencesNursingNutrition and DieteticsOpen Access
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