CELLULOSE CHEMISTRY AND TECHNOLOGY

School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk, 38541, Republic of Korea, SO YEON WON, SEONG MIN KIM, School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk, 38541, Republic of Korea et al.

This study examined the possibility of utilizing onion waste extract as a substitute for the conventional culture medium for bacterial cellulose (BC) production by Gluconacetobacter hansenii. The nutrient components present in the onion waste extract were identified as fermentable sugars and other low-molecular-weight nutrients essential for BC biosynthesis. Essential bioactive…

University of Novi Sad Technical Faculty "Mihajlo Pupin" Zrenjanin, Serbia, NADIIA P. BUKHONKA

This study investigates the structural and stretch properties of five variants of double-knit fabrics made from 29 × 2 tex flax-containing (50% PAN, 27% viscose, and 23% flax) yarn in comparison with a half Milano rib structure. These fabrics are knitted with alternating rib set-out and plain courses. The effect of 1–3 inactive needles (X) in the rib-set out repeat on the back …

Industry Chemistry Innovation Programme, Faculty of Science, Maejo University, Chiang Mai, 50290, Thailand, USARAT RATAKAMNUAN, NITTAYA KLANGPINIT, Industry Chemistry Innovation Programme, Faculty of Science, Maejo University, Chiang Mai, 50290, Thailand et al.

Water hyacinth (Eichhornia crassipes) was utilized as an alternative lignocellulosic source for the preparation of carboxymethyl cellulose (CMC) and the fabrication of cellulose-based films. Microcrystalline cellulose (MCC) was isolated through alkaline delignification, bleaching, and acid hydrolysis, followed by carboxymethylation using monochloroacetic acid. The successful co…

Department of Chemistry, Institute of Chemical Sciences, Government College University Lahore, 54000 Lahore, Pakistan, MANAHIL NOOR, MARYAM NASEER, Department of Chemistry and Chemical Engineering, Syed Babar Ali School of Science and Engineering (SBASSE), Lahore University of Management Sciences (LUMS), Lahore, 54792 Pakistan et al.

In the present study, zinc oxide nanoparticles (ZnO NPs) were synthesized using glucoxylan (GX), a hemicellulose derived from Mimosa pudica seeds. The UV-visible spectrum displayed an intense absorption peak at 390 nm, while FTIR spectra revealed two characteristic Zn-O stretching bands at 441 and 484 cm-1. SEM, XRD, and EDX analyses revealed predominantly spherical particles (…

Faculty of Fashion and Tourism, Chi Minh City University of Technology and Engineering No 1, Vo Van Ngan St, Thu Duc Ward, Ho Chi Minh City, Vietnam, TUAN ANH NGUYEN, TRAM ANH DOAN HONG, Faculty of Fashion and Tourism, Chi Minh City University of Technology and Engineering No 1, Vo Van Ngan St, Thu Duc Ward, Ho Chi Minh City, Vietnam et al.

This study investigates the dyeing performance of cotton fabrics using natural pigment extracted from Peristrophe roxburghiana (PR) leaves as a sustainable alternative to synthetic dyes. The research aims to optimize dyeing parameters, while assessing both color performance and environmental benefits within a cleaner production framework. Pigment extraction was conducted using …

University of Zagreb Faculty of Graphic Arts, Getaldićeva 2, Zagreb, Croatia, IRENA BATES, DIANA BRATIĆ, University of Zagreb Faculty of Graphic Arts, Getaldićeva 2, Zagreb, Croatia et al.

Constant population growth and urbanization lead to increased waste generation, which contributes significantly to environmental degradation. Along with proper management of solid waste, an important guideline is to convert as much waste as possible into new functional products. In the graphic industry, the greatest innovations are in the use of more environmentally friendly ra…

Department of Microbiology, Faculty of Natural and Life Sciences, University of Frères Mentouri-Constantine 1, Algeria, HIND LEGHLIMI, FATIMA-ZOHRA KENZA LABBANI, Laboratory of Therapeutic Substances (LOST), Department of Chemistry, Faculty of Exact Sciences, University of Frères Mentouri-Constantine 1, Algeria et al.

Cellulases are essential industrial enzymes extensively utilized in biofuel production, textile processing, and waste management. However, high production costs limit their widespread commercial application. This study aimed to optimize cellulase production by Trichoderma longibrachiatum isolate under solid-state fermentation (SSF) using wheat bran, an abundant and inexpensive …

Department of Mechanical Engineering, Thiagarajar College of Engineering, Madurai 625015, Tamil Nadu, India, MADASAMY SERMARAJ, KALIMUTHU RAMANATHAN, Department of Mechanical Engineering, Alagappa Chettiar Government College of Engineering and Technology, Karaikudi 630004, Tamil Nadu, India et al.

The disposal of waste tires and coconut shells poses significant environmental challenges, as both materials are often discarded in landfills, contributing to pollution, habitat destruction, and health hazards. This study investigates the incorporation of waste tire particles and coconut shell biochar into epoxy resin–based hybrid polymer composites using the compression moldin…

State Key Laboratory of New Textile Materials and Advanced Processing Technologies, College of Textiles Science and Engineering, Wuhan Textile University, Wuhan 430200, China, ZIHAO DONG, SI WU, State Key Laboratory of New Textile Materials and Advanced Processing Technologies, College of Textiles Science and Engineering, Wuhan Textile University, Wuhan 430200, China et al.

Due to the excessive exploitation of petrochemical resources, the development of new materials, especially natural fiber materials, has attracted increasing attention and extensive concern in academic and industrial fields. As a typical natural plant fiber, cattail has a chemical composition similar to that of hemp. However, its traditional degumming process is not only costly,…

Department of Paper and Packaging Technology, Indian Institute of Technology Roorkee, Saharanpur Campus, Saharanpur – 247001, Uttar Pradesh, India, NISHI K. BHARDWAJ

This work studied the effects of refining on the physicochemical and mechanical properties of five pulps: three softwood kraft (KP1, KP2, KP3), one hardwood kraft (KE1) and one NSSC eucalyptus pulp (NE1). The freeness, specific surface area, surface charge, water retention value and Young’s modulus were measured at different refining levels. It was found that refining increased…

Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Gambang, Pahang, Malaysia, MURTAZA HAIDER SYED, KHODIJAH AL QUBRO, Faculty of Engineering, Universitas Indo Global Mandiri, Jalan Jendral Sudirman No. 629, Palembang, South Sumatera, Indonesia et al.

Cellulose is the most abundant renewable biopolymer on Earth. Due to its special properties, it is widely used and studied. Nano-sized cellulose, and specifically cellulose nanocrystals (CNCs), have great potential for biomedical applications. Although many studies have been published on obtaining CNCs from various sources and by different methods, to the authors’ knowledge, th…

Laboratory of Catalysis, Bioprocess and Environment, Department of Process Engineering, Faculty of Technology, University of 20 August 1955, Skikda 21000, Algeria, WAHIBA BOUNEB, ABDELAZIZ BOUHADIBA, Laboratory of Catalysis, Bioprocess and Environment, Department of Process Engineering, Faculty of Technology, University of 20 August 1955, Skikda 21000, Algeria et al.

This study examines the inclusion complexation of zoledronic acid (ZA) with β-cyclodextrin (β-CD) using advanced computational approaches. Density Functional Theory (DFT) calculations with Grimme’s D3 dispersion correction were employed to investigate the molecular structure, stability, non-covalent interactions, and thermodynamic properties of the complex in both gas phase and…

Department of Environmental Studies, Maharaja Sayajirao University of Baroda, Vadodara 390002, Gujarat, India, UMA HAPANI, LINZ-BUOY GEORGE, Department of Zoology, Biomedical Technology and Human Genetics, School of Sciences, Gujarat University, Ahmedabad 380009, Gujarat, India

For the current work, cellulose was isolated from the stems of fennel (Foeniculum vulgare Mill.), using combined chemical treatments such as dewaxing, delignification, and bleaching. The extracted cellulose was successfully used for the preparation of microcrystalline cellulose (MCC) by the acid hydrolysis process. For the comparative study, the obtained fennel stem (FS) microc…

Pulp and Paper Research Division, Bangladesh Council of Scientific and Industrial Research Laboratories, Dhaka, Dr. Qudrat-i-Khuda Road, Dhaka 1205, Bangladesh, MOHAMMAD NASHIR UDDIN, M. NUR ALAM LIKHON, Pulp and Paper Research Division, Bangladesh Council of Scientific and Industrial Research Laboratories, Dhaka, Dr. Qudrat-i-Khuda Road, Dhaka 1205, Bangladesh et al.

Lignin is the second largest biopolymer on earth, and an important feedstock of biomaterials and biochemicals. The methoxyl group (-OCH₃) content in lignin controls its properties. To elucidate lignin’s structure, quantification of –OCH3 a critical step in lignin characterization. With FT-IR spectral data of 30 lignin samples, chemometric models – Support Vector Regression (SVR…

Institute of Chemistry and Chemical Technology SB RAS, Federal Research Center “Krasnoyarsk Scientific Center SB RAS”, Krasnoyarsk, 660036 Russia, OLGA Yu. FETISOVA, NADEZHDA M. MIKOVA, Institute of Chemistry and Chemical Technology SB RAS, Federal Research Center “Krasnoyarsk Scientific Center SB RAS”, Krasnoyarsk, 660036 Russia et al.

N-modified compounds were obtained on the basis of previously isolated tannins from larch (T). The estimated composition of the compounds obtained was analyzed by FTIR spectroscopy and elemental analysis. The thermal degradation of larch tannin and its nitrated compounds, such as nitrile azotannin (ATN) and cationic azotannin (CAT), has been studied using thermogravimetry at th…

Laboratory of Hydrometallurgy and Molecular Inorganic Chemistry, Faculty of Chemistry, USTHB, PO Box 32 El Alia Algiers 16111 Algeria, SOFIANE BENSADI, YASSINE BERBAR, Laboratory of Hydrometallurgy and Molecular Inorganic Chemistry, Faculty of Chemistry, USTHB, PO Box 32 El Alia Algiers 16111 Algeria et al.

This work investigated the effects of using poly(sodium-4-styrene sulfonate) (PSS) as a novel polymer additive on cellulose triacetate-based membranes (CTA), applied for the treatment of saline solutions containing Na+, K+, and Ca2+ ions. New membranes composed of a mixture of CTA, PSS with different concentrations and di-(2-ethyl hexyl) phosphoric acid (D2EHPA) as a plasticize…

Marmara University, Faculty of Applied Sciences, Department of Printing Technologies, Kartal Istanbul, 34865, Turkey, EMINE ARMAN KANDIRMAZ, URŠKA KAVČIČ, Pulp and Paper Institute, Department of Graphics and Packaging, Bogišićeva Ulica 8, 1000 Ljubljana, Slovenia et al.

Food spoilage leads to both food waste and consumer health damage. Smart packaging systems inform the consumer about food spoilage and prevent food waste by consuming at the right time. Considering this and consumers’ increasing preference for natural packaging materials for food products, in this study, it was aimed to produce smart packaging elements using naturally sourced c…

Laboratory of Applied Chemical Analysis, Department of Applied Chemistry and Chemical Engineering (ACCE), University of Chittagong (CU), Chattogram-4331, Bangladesh, TAHMIDUL ISLAM AQUIB, MOHAMMAD HELAL UDDIN, Laboratory of Applied Chemical Analysis, Department of Applied Chemistry and Chemical Engineering (ACCE), University of Chittagong (CU), Chattogram-4331, Bangladesh et al.

Rice straw is an abundant source of essential biopolymers such as cellulose, hemicelluloses, and lignin; however, the majority of global rice straw production remains underutilized. This study presents a novel approach to valorize waste rice straw through the extraction of lignin and subsequent preparation of lignin nanoparticles (LNPs). Alkali lignin (AL) was first extracted v…

Unité de Développement des Equipements Solaires, UDES /Centre de Développement des Energies Renouvelables, CDER, Bou Ismail, 42415, W. Tipaza, Algeria, HANANE ABURIDEH, DJAMILA ZIOUI, Unité de Développement des Equipements Solaires, UDES /Centre de Développement des Energies Renouvelables, CDER, Bou Ismail, 42415, W. Tipaza, Algeria et al.

Desalination via reverse osmosis is emerging as a key technology in response to the growing scarcity of freshwater resources. However, conventional membranes still face limitations in terms of durability, fouling, and low ion selectivity. This study aims to develop hybrid membranes based on cellulose acetate (CA), cellulose acetate propionate (CAP), and graphene oxide (GO), in …

Civil and Environmental Engineering Department, College of Engineering, King Faisal University, Al Ahsa, Kingdom of Saudi Arabia, NAYAB ZAHARA, MUHAMMAD IRFAN JALEES, Institute of Environmental Engineering and Research, University of Engineering and Technology, Lahore 54890, Pakistan et al.

This study investigates and compares two bioconversion strategies, separate hydrolysis and fermentation (SHF) and simultaneous saccharification and fermentation (SSF), employing a novel co-culture system of Saccharomyces cerevisiae and thermotolerant Candida tropicalis for efficient fermentation of dilute acid pretreated municipal solid waste. In the SHF process, enzymatic hydr…