Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Mohammad L. Hassan"'
Autor:
Dalia Y. Zaki, Engie M. Safwat, Haidy N. Salem, Shaymaa M. Nagi, Tamer M. Hamdy, Lamiaa M. Moharam, Mohammad L. Hassan, Marwa A. Sherief
Publikováno v:
Bulletin of the National Research Centre, Vol 48, Iss 1, Pp 1-11 (2024)
Abstract Background The objective of the study was to prepare and assess novel remineralizing oral films loaded with fluorapatite powder and composed of a combination of hydroxyethyl cellulose (HC) and cellulose nanofibers (CF). Methods Three concent
Externí odkaz:
https://doaj.org/article/d4af5bd736c3483bbdaa6c5e58526309
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Natural-based materials represent green choices for biomedical applications. In this study, resin pulp capping restoration enclosing strengthening silica and bioactive portlandite nanofillers were prepared from industrial wastes. Silica nano
Externí odkaz:
https://doaj.org/article/60b834145c524df4af9bb61e92fa0d7d
Novel green flexible rice straw nanofibers/zinc oxide nanoparticles films with electrical properties
Autor:
Rasha M. Abd El-Wahab, Shaimaa M. Fadel, Amal M. Abdel-karim, Sherif M. Eloui, Mohammad L. Hassan
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-16 (2023)
Abstract In the current work, rice straw nanofibers (RSNF) with the width of elementary fibrils (~ 4–5 nm) were isolated from rice straw. The isolated nanofibers were used with zinc oxide nanoparticles (ZnONPs) to prepare flexible nanopaper films.
Externí odkaz:
https://doaj.org/article/8411b9ccbc4542b7942444f7c1b2092f
Autor:
Dalia Y. Zaki, Engie M. Safwat, Shaymaa M. Nagi, Haidy N. Salem, Tamer M. Hamdy, Lamiaa M. Moharam, Mohammad L. Hassan, E.M.A. Hamzawy
Publikováno v:
Carbohydrate Polymer Technologies and Applications, Vol 2, Iss , Pp 100035- (2021)
The present investigation aimed to prepare and evaluate an innovated re-mineralizing oral films made from a blend of hydroxyethyl-cellulose (HEC) and cellulose nanofibers (CNF), loaded with nepheline fluorapatite glass powder. Evaluation of film thic
Externí odkaz:
https://doaj.org/article/17f0106eb56e42518a48b4d356f6d233
Publikováno v:
Carbohydrate Polymer Technologies and Applications, Vol 2, Iss , Pp 100042- (2021)
Extraction of pectin from sugar beet pulp using enzymatic treatment and ultrasonic pretreatment/enzymatic treatment as cleaner technologies, instead of acid hydrolysis was studied. Xylanase, cellulase, and their mixtures were used for the enzymatic t
Externí odkaz:
https://doaj.org/article/296111a984cc4c17a069d4848b644ab1
Publikováno v:
Carbohydrate Polymer Technologies and Applications, Vol 2, Iss , Pp 100072- (2021)
Pectin extracted from sugar beet pulp using enzymatic or acid hydrolysis was evaluated as corrosion inhibitor for mild steel under acidic conditions. Effect of pectin concentration on corrosion rate and efficiency was studied via weight loss and elec
Externí odkaz:
https://doaj.org/article/75635e71195f4ff18a36db599b9a19cb
Autor:
Sayed H. Kenawy, Mohammad L. Hassan
Publikováno v:
Heliyon, Vol 5, Iss 6, Pp e01816- (2019)
Highly porous nanofibrillated cellulose aerogel fibers (NFCA) prepared from bagasse pulp was used as a template for in situ preparation of alumina nanorods. NFCA was soaked in aluminum nitrate aqueous solution followed by soaking in ammonium hydroxid
Externí odkaz:
https://doaj.org/article/61d3047a064146f2abf63e9b39ace55f
Autor:
Mohammad L. Hassan, Wafaa S. Abou-Elesoud, Engie M. Safwat, Enas A. Hassan, Shaimaa M. Fadel, Ahmad M. Labeeb
Publikováno v:
Cellulose. 29:9511-9529
Publikováno v:
Cellulose. 28:10905-10920
In this study, the effect of pectin extraction method on the properties of cellulose nanofibers (CNFs) isolated from sugar beet pulp (SBP) was studied. Pectin was extracted by the industrially practiced method by sulfuric acid hydrolysis or by enzyma
Publikováno v:
Biomass Conversion and Biorefinery. 13:5015-5022
Microcrystalline cellulose (MCC) is a bio-based material obtained from purified and partially depolymerized cellulose. The need for cheaper sources of MCC has led to the exploration of other lignocellulosic material based on agricultural residues. He