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The addition of calcium carbonate to cigarette paper can enhance its combustion performance and apparent properties. However, it does come at the cost of reduced paper strength. In this study, a flexible calcium carbonate (FCC) was developed through the in-situ formation of calcium carbonate on nanocellulose surfaces. The incorporation of FCC into cigarette paper offered the potential to improve filler retention and combustion performance while maintaining high paper strength. The results of the study demonstrated that when compared to the addition of 30% precipitated calcium carbonate (PCC), the filler retention rate in cigarette paper increased by 31.5% when 30% FCC was used. Scanning electron microscopy images showed that only a minimal number of inorganic particles were observed between the fibers in the FCC-containing paper, indicating appropriate air permeability and fiber-fiber bond strength. Furthermore, when compared to PCC-containing paper, the FCC-containing paper exhibited an 8.8% increase in tensile strength and a 7.5% increase in folding resistance. Additionally, thermogravimetric analysis of the cigarette paper revealed that the incorporation of flexible calcium carbonate effectively lowered the thermal decomposition temperature, leading to a 10.3% increase in the combustion rate of FCC-containing paper. The inclusion of FCC into paper fibers has the potential to enhance air permeability and regulate cigarette burning performance. Consequently, the FCC developed in this study holds promise as a substitute for traditional calcium carbonate fillers in cigarette paper applications. [ABSTRACT FROM AUTHOR]

This study addresses a practical problem within a multi-level supply chain where a wide range of customers can be served through different strategies such as make-to-stock, make-to-order, or vendor-managed inventory. The customer demand is stochastic, and sensitive to pricing associated with different production-inventory strategies. We propose a two-stage stochastic mixed-integer non-linear programming model. In the first stage, decisions are made regarding the selection of production-inventory strategies and pricing to maximise the expected profit. The second stage involves decisions related to production, inventory, and distribution, which are used to evaluate the first-stage decisions under various scenarios with different levels of accuracy. To solve the model, a metaheuristic approach based on the Simulated Annealing algorithm is developed. To showcase the practical applicability of our model and solution approach, we use a real case study in a Canadian pulp and paper supply chain. The results revealed that both the production-inventory strategy assigned to customers and the sales price underwent changes across scenarios. Furthermore, we demonstrated that by implementing the SA algorithm, we could improve the initial profit by up to 1.43% through slight adjustments in the sales price and assigned strategies for customers. [ABSTRACT FROM AUTHOR]

For many centuries, paper is the main material for recording cultural achievements all over the world. Infrared (IR) spectroscopy is an essential analytical tool for the structural analysis of paper and pulp chemistry. This review article introduced recent technical and scientific reports in terms of IR spectroscopy in the paper science and application, where interest had increased during the last couple decades (2000–2022). Five parts were described according to the application of IR spectroscopy: the analysis of cellulose and its derivatives, estimation the date of documents, identification the origins of fiber or paper, specification the chemical and physical properties of paper, and characterization the new materials of paper. [ABSTRACT FROM AUTHOR]

The pulp and paper industry has significant sustainability implications and necessarily requires a careful consideration of direct and lower-tier suppliers for effective sustainable supply chain management. This paper utilized an extensive literature review and semi-structured interviews of experts in the Chinese pulp and paper industry to unearth the factors that highly influence multi-tier supply chain sustainability. A Technological-Organizational-Environmental (TOE) and Human-Organizational-Technological (HOT-fit) based theoretical framework was employed to classify the identified factors. Then, an Analytical Hierarchy Process (AHP) based methodology was applied to determine the relative importance of the factors. A comparison analysis of the relative importance of the factors as determined by the experts in the focal companies, Tier-1 suppliers and Tier-2 suppliers of the Chinese pulp and paper industry is presented. The results show that institutional and technological factors are most critical to actualizing multi-tier supply chain sustainability. Thus, the study outcomes present relevant theoretical and practical implications for the managers and practitioners in the pulp and paper industry on how to facilitate multi-tier supply chain sustainability for increased competitiveness. Furthermore, this study provides guidelines for other industries as well and sets the stage for subsequent theorization and exploration of multi-tier supply chain sustainability for expected performance gains. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Natural Fibers is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of the Institute of Conservation is the property of Routledge and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The chemical oxygen demand (COD) emissions from the pulp and paper industry in China have declined continuously since the tighter COD discharge standards were implemented in 2008. Using firm-level data from 2003 to 2013, we investigate how China's pulp and paper firms would respond to the tighter COD discharge standards with a difference-in-differences design. We find that the tighter COD discharge standards have significant causal effects to induce the pulp and paper firms to reduce their COD emissions primarily through adopting cleaner production. However, the effectiveness of the tighter COD discharge standards depends on monitoring and enforcement activities as well as other regulations accompanying with the tighter COD discharge standards, all of which have become strengthened since China's 11th Five-Year-Plan (FYP, 2006–2010). While strengthened environmental regulations since the 11th FYP are from the top leadership of the Chinese government in order to deal with the increasing environmental degradation, the underlying driving force of the strengthened environmental regulations is from the household demand for better environmental quality as income increases. This study enriches literature not only on firms' responses to environmental regulations in developing countries but also on environmental regulations and technology adoption as well as environmental enforcement and compliance. [ABSTRACT FROM AUTHOR]

Washi is paper made by hand from the bark of native Japanese shrubs. Washi is a common medium used for printmaking and paper crafts. Artists who have studied nagashi-zuki, a sheet-forming method unique to washi, often import Japanese fibers because alternatives with similar properties have not been identified. We propose Dirca L. (leatherwood), a shrub endemic to North America, as a source of fibers with properties similar to those plants traditionally used to make washi. The thinness and strength of the leatherwood paper allows it to withstand repeated bending, folding and creasing better than paper made from species of Wikstroemia (Japanese fiber), suggesting an alternative for use with various printmaking techniques and paper arts and crafts that involve folding, such as origami. We engaged printmakers and origami artists in creating original pieces using our leatherwood paper and evaluated how the paper responds to various printmaking techniques and complex folding. We identified Dirca mexicana as a source of fibers with similar properties to species of Wikstroemia used to make gampi washi. Handmade D. mexicana bark paper was successfully used as a paper medium for intaglio, lithography, relief, digital, and screenprinting printmaking techniques, as well as, complex folding origami sculptures. [ABSTRACT FROM AUTHOR]

Nano-ZnO has the characteristics of photocatalytic performance and excellent transparency and conductivity. Because of its many excellent properties, it also occupies a very important position in the types of semiconductor materials. Nano-ZnO film preparation technology has been researched and developed and applied in many fields, but there are few applied researches on the protection of paper artworks. The main content of this article is the study of the application and enhancement effect of nano-ZnO film preparation technology on the protection of paper cultural relics. In this paper, the sol-gel process is selected in the common film preparation process, and the configured sol is dipped and lifted. By comparing the paper covered with nano ZnO film and the paper not covered with nano ZnO film in the anti-aging performance test, anti-ultraviolet aging performance test, aging appearance change and the experimental results of the mechanical performance test of the application effect of different papers, the results are investigated. The application and enhancement effect of nano-ZnO film preparation technology in the protection of paper art works. Experimental studies have shown that under the same aging time, the mechanical properties of rice paper covered with nano-Zno film are higher than those of blank rice paper without nano-Zno film. The transverse tensile strength of the paper is increased by 5.88 m/N, an increase of 98%. The vertical tensile strength increased by 3.93 m/N, an increase of about 87%, the vertical folding resistance increased by 16 times, the horizontal folding resistance increased by 15 times, and the vertical tearing strength increased by 4.15 m/N, an increase of about 125%, and the transverse tearing degree is enhanced by 2.21 m/N, which is about 64%. The two kinds of rice paper were subjected to warm-heat aging, and the final results showed that the mechanical properties of the two kinds of rice papers showed a decreasing trend, but the mechanical properties of the rice paper covered by the nano-Zno film decreased at a slower rate, and the final mechanical properties were also lower than that of untreated rice paper. Blank rice paper covered with film is better. The experimental results of ultraviolet light on paper aging show that the nano-Zno film covering the paper will delay the paper aging, and the appearance of the nano-Zno film after ultraviolet light does not change significantly. Under the mechanical performance test of nano Zno film on different types of paper application, the tensile strength, folding resistance and tearing degree of the three papers participating in the experiment have been improved, which shows that the nano Zno film has the advantage of strengthening paper. [ABSTRACT FROM AUTHOR]

In the current strategy, a highly sensitive and fast one-step colorimetric assay for trace determination of Cu2+ in water is presented. The planned assay was based upon the use of varnish polish-modified filter paper printed with 2-[5-(2-hydroxy-5-sulfophenyl)-3-phenyl-1-formazyl] benzoic acid monosodium salt, commercially named zincon. Under optimal conditions, the designed assay readily recognised the formation of blue–purple-coloured Cu–ZI chelate in less than 10 min. The proposed probe was able to detect Cu2+ in the concentration range from 0.04 to 10 μg/mL (6.34 × 10−1 to 1.59 × 103µM), with low limit of detection (LOD) of 0.01 μg/mL (1.59 × 10−1 µM). The LOD was 10-fold lower than the allowable level for Cu2+ in drinking water set by WHO legislation. The assay was applied for Cu2+determination in water with acceptable recoveries (89.6–102.1%) and precision (<3%). Therefore, the proposed sensing assay might be considered as a potential rapid and low-cost candidate for total determination and speciation of Cu2+in water samples. [ABSTRACT FROM AUTHOR]

This study aimed to enhance the physical properties and the weak heat transmission of the core layer, which are the weak points of particleboard produced using melamine-impregnated paper waste (MIPW) as an adhesive. Alkyl-ketene dimer (AKD) and paraffin were used as water-repellent chemicals. MIPW was used as an adhesive, and no additional resin was used. As a result of this study, the samples' physical properties improved with AKD and paraffin's existence. Moreover, it has been approved that AKD is more effective than paraffin in improving the physical properties of the particleboard because AKD improves ester bonding with hydroxyl groups of cellulose fibers. The usage of water repellents resulted in the improvement of internal bond (IB) properties. It was determined that the type and amount of water-repellent chemicals significantly affected the mechanical and physical properties and formaldehyde content of the produced particleboards, except for bending properties. Just the chemical type was found to be significantly effective on bending strength (BS) and modulus of elasticity (MOE) properties. Overall, the study findings suggested that AKD might be successfully utilized as a water-repellent chemical in particleboard manufacturing, while MIPWs used as an adhesive. [ABSTRACT FROM AUTHOR]

This article engages with discard studies scholarship to interrogate findings from a study that set out to deliberately follow wastepaper in an early childhood setting. The study, which used participatory methods positioning teachers and children as research partners, began with purposeful noticing and attunement to paper's movements and materiality. This attentiveness defamiliarized paper and the ways in which it is known and experienced. It led to questions about the wider systems in which paper is entangled. In this article, thinking with discard studies provokes us to consider the relational systems that involve paper in early learning settings and leads us to question the reduce-reuse-recycle maxim which allows some systems to flourish by diverting attention away from them. The article concludes by suggesting that if we are to discard well, we must become aware of systems that are maintained by taken-for-granted waste practices such as reducing, reusing, and recycling. [ABSTRACT FROM AUTHOR]

Influenced by the academic work of Stephen A. Resnick and Richard D. Wolff, the author and his close collaborator Richard McIntyre have spent four decades closely reading and contributing research to adjacent radical literatures on the empirical history of workers and capitalism. In this response to Richard McIntyre's review of Shredding Paper, the author reveals how his own research into the story of Maine's paper mills has developed since the 1980s, drawing out the class implications of the details embedded in a history that stretches back to the origins of Maine's paper industry. Hillard highlights the efficacy of reading capitalist histories of focusing on subsumed classes, i.e., a "volumes 2 and 3 [of Capital] approach," alongside the much more common "volume 1" methodology common to most radical political economy and labor history. For better and worse, this story has culminated in two generations of rural Mainers rejecting the sensibilities of neoliberal capitalism. This local class formation and particular consciousness of class contains many lessons for those who see capitalism problematically, but in the absence of an established U.S. Left, and given the cultural forces and propaganda acting upon them, this critical culture appears to have moved on. [ABSTRACT FROM AUTHOR]

Predatory publishing is the unethical and dishonest behavior of publishers who take advantage of researchers by charging them too much money and not providing good editing and peer-review services. Scholars, publishers and policymakers are seeking solutions to combat predatory publishing, which has become a major academic problem. This research paper provides a bibliometric analysis of the citation patterns and trends in the predatory publishing literature. The study analyzed the 100 top-cited papers on predatory publishing and provided insight into the types of documents, journals, authors, and countries that contributed to this field. The average citation per paper in the top 100 selected publications was 53.67. Open-access publications received a significantly higher average citation per paper than subscription-based papers. "Article" was the major type of document published, followed by "Notes," "Reviews" and "Editorials." Nature and Learned Publishing were the journals that contained the highest number of top-cited articles. J. Beall and D. Moher authored the highest number of papers, while A. Grudniewicz had the highest average citation per paper. USA and Canada were the top countries in these top-cited publications. This study will be beneficial to the all the stakeholders who may be interested in this area of research. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Natural Fibers is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Transforming Pulp and Paper (P&P) mills into Integrated Forest Biorefineries (IFBR) is a prominent solution to save Canadian P&P industry that has been facing decline of conventional paper demand. We propose a comprehensive decision model for the design of IFBR value chains by taking the uncertain demand of bioproducts into consideration. In particular, we propose a multi-stage stochastic programming model to obtain the optimal investment plan over a long-term planning horizon in the presence of various market trends. We also develop a Monte-Carlo simulation platform to validate the proposed model and to compare its performance with alternative decision models. The model is applied to a realistic case study inspired from P&P companies in Canada, where the value of incorporating the dynamic nature of uncertain demand has been estimated. Further, we elaborate on the value of considering flexibility in terms of adjusting the investment plan in response to changes in the demand. Our results indicate that the demand for bioproducts has a substantial impact on the profitability of the IFBR. We also demonstrated the significant value of explicitly incorporating the uncertainty in IFBR network design as well as adapting the investment plan to the changes in the demand. [ABSTRACT FROM AUTHOR]

This editorial introduces the special issue "The Interplay Between Artificial Intelligence, Production Systems, and Operations Management Resilience.' We selected twelve papers, encompassing many angles that illuminate the advances and challenges dealing with artificial intelligence tools and approaches in the production systems and operations management resilience domains. This editorial presents the papers with a smart view, highlighting the essentials of each article, such as full paper title, background, theory/literature scope, methodology design/analysis approach, and the main findings/contributions. Finally, the conclusions, future pathways, and research directions are presented. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Natural Fibers is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The present investigation sought to assess the practicality of utilizing a combined pre-treatment approach comprising electrocoagulation, peroxide, and hypochlorite treatments for the removal of chemical oxygen demand (COD) and tannin/lignin from paper mill wastewater. The study aimed to optimize the operating parameters with a view to maximizing the removal efficiencies while minimizing energy consumption. A pair of iron electrodes were used as anode and cathode in the study, and the main operating parameters were determined as initial pH, applied current, treatment time and oxidant dosage/COD ratio. Response surface methodology (RSM) was used to evaluate the effect of these parameters on COD and tannin/lignin removals. The primary findings of the investigation indicated that the integration of electrocoagulation with peroxide and hypochlorite treatments exhibited efficacy in removing COD, tannin/lignin, colour, phenol, and turbidity from paper mill wastewater. The optimized conditions resulted in COD removal efficiencies of 48.13 ± 2.2% and 29.53 ± 1.4% for EC with H2O2 and Ca(OCl)2, respectively. Tannin/lignin removal efficiencies were 92.59 ± 3.6% and 94.09 ± 1.8% for EC-H2O2 and EC-Ca(OCl)2, respectively. The specific energy consumption (SEC) values showed that EC-Ca(OCl)2 required 7 times more energy than EC-H2O2 for removing 1 kg COD. The principal deduction drawn from the study was that EC-H2O2 pre-treatment demonstrated superior COD removal efficiency and lower energy consumption, while EC-Ca(OCl)2 pre-treatment exhibited greater efficiency in removing toxic and recalcitrant pollutants. In future studies, it would be useful to conduct research to increase COD removal efficiency in addition to tannin/lignin removal in EC-Ca(OCl)2 process. [ABSTRACT FROM AUTHOR]

Sea purslane (Sesuvium portulacastrum) was cultivated for two 90-day sequences at two spacings, and with various soil amendments, to evaluate its potential to arrest the increase in soil salinity and sodicity associated with irrigation using paper- and pulp-mill effluent. Its phytodesalination capacity (PDC) with respect to Na ranged from 162 to 226 kg/ha in the first sequence and 167 to 250 kg/ha in the second sequence; the PDC is reliable even under drought stress. Addition of amendments, in particular pressmud compost, increased the average Na+ uptake by 38%, leading to the highest PDC of 250 kg/ha for a single crop sequence. [ABSTRACT FROM AUTHOR]

We have achieved a successful synthesis of a label-free, flexible, portable, and colour-indicating biosensor using cholesteric nanostructure liquid crystals (LCs), commonly referred to as cholesteric LCs (CLCs), on paper fibres. This innovative approach holds significant promise for rapid screening in precision medicine and other applications. We incorporated optically active nematic LCs in various configurations within CLCs, allowing them to rotate along different axes. When exposed to light, these LCs reflected light at specific wavelengths. By employing polarised optical microscopy and a charged couple device (CCD), we conducted titration experiments with bovine serum albumin (BSA) on the paper substrate and quantified protein concentrations based on the observed colour shifts. Utilising internal Python pixel analysis software, we evaluated the red, green, and blue colour components, which served as biomarkers for different BSA concentrations. Our results demonstrated a linear correlation between BSA concentration and colour variations. This CLC-based paper-substrate biosensor exhibits the potential to efficiently screen a large number of samples, thereby enhancing the diagnostic accuracy in clinical settings. Combining the colour-indicating and quantifiable attributes of CLCs with the affordability and portability of paper substrates, we have developed a versatile biosensor. Its ease of use, rapid response, and high sensitivity make it a promising tool for future disease detection endeavours. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Natural Fibers is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Natural Fibers is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

As an important substrate of traditional Chinese cultural relics in museums, paper is the material with highly light sensitivity, which is susceptible to irreversible lighting damage. To provide high-quality viewing, it is vital to study the parameters of light sources in consideration of paper substrates' long-term conservation. As an important factor affecting both conservation and viewing, there are some issues concerning correlated color temperature (CCT) in the relevant standards, namely, the inconsistent recommended values. In this research, paper samples were subjected to accelerated irradiation experiments for 1440 h by 10 narrow-band lights in the visible range, and the infrared spectra were measured periodically. The calculated oxidation index was used to obtain the damage response function to different spectral wavelengths and exposures. Subsequently, using the method of exhaustion, 9477 spectra with a CCT range of 2650–4150 K that met the viewing requirements were screened, and lighting damage to paper substrates was calculated using this function. Based on that, the correlation between CCT and lighting damage to paper substrates and their standard deviations was obtained. Combining the previous research on recommended for CCT pigments, a preliminary recommended CCT of 3100–3200 K in selecting light sources for traditional Chinese paper relics was proposed. It is worth emphasizing that it is still necessary to use the spectral power distribution of light sources, as the underlying independent variable that leads to damage, to further calculate the lighting damage using the function mentioned above to achieve protective lighting. [ABSTRACT FROM AUTHOR]

This study evaluates the impact of sales promotions that are featured in store flyers distributed by prominent retailers and their capacity to attract consumers to their establishments. A distinctive conceptual framework is introduced that scrutinizes the influence of ethically-minded consumer behavior, digital citizenship/literacy, and a retailer's orientation toward environmental sustainability and explicit ecological concerns. A quasi-experimental design was used to formulate four distinct scenarios from a possible set of eight, stemming from the combinations of three variables: 2 Retailer Positioning (green vs. without explicit ecological claims) × 2 Flyer Mediums (paper vs. digital) × 2 Discount Levels (5% discount vs. 30% discount). Through an online survey, a sample of 269 responses was garnered to gauge consumer reactions to these store flyers, evaluating their attitudes and receptiveness. The findings suggest that attitudes toward paper flyers were more favorable when presented by non-green retailers compared to their green counterparts. This can be attributed to a perceived inconsistency between a green brand positioning and the use of paper flyers. Furthermore, the propensity to transition to digital flyers was notably stronger for green retailers compared to non-green retailers, but this inclination was most pronounced when higher discounts were offered. [ABSTRACT FROM AUTHOR]

This article seeks to provide insight into the history and acceptance of paper money within British North America by examining the state money issued by Lower Canada's civil government and the British Army during the War of 1812. Prior to the war, British North America was suffering from a specie shortage that was further exacerbated by the need for significant expenditure increases to provision the state with the resources it needed for its war effort. In response, colonial authorities issued the Army Bills, a paper money that was backed by acceptance in paying public debts and duties while also possessing qualities that adhered to metalist principles. To many observers surprise, the money successfully circulated and was accepted by Lower Canada's colonists, who beforehand had largely been perceived by colonial officials as distrusting of paper money. This research argues that the state's acceptance of Army Bills for discharging public debts, particularly merchant duties, ensured that the money would provide the colonial government with the fiscal flexibility it needed to conduct its war effort. This provision, in addition to measures like legal tender laws protecting its use in private transactions, also supported its successful circulation within the colonial economy during the war. [ABSTRACT FROM AUTHOR]

Schools are ideal settings to promote adolescent physical activity (PA), yet school-based interventions have shown limited long-term impact. This position paper presents key issues surrounding school-based PA interventions. Collaborative conceptual thinking drawing on multi-author expertise and available evidence advanced our understanding and opinion. Key arguments: 1) the adoption of a systems approach, which maximizes partnership action and leverages policy, is crucial for understanding the complexities of implementing whole-school programs; 2) a reorientation to an assets perspective optimizes existing strengths and resources allowing greater emphasis on the full range of physical, cognitive, emotional and social benefits that PA provides, and 3) a move beyond traditional positivist research designs to advance our knowledge of what works better, for whom and in what context is needed for greater progress We provide suggestions, specifically advocating for systems approaches, as a realistic way to improve how we support PA in schools in the future. [ABSTRACT FROM AUTHOR]

The aging process of paper will be accelerated by acidification behavior during the storage process of paper archives, and the mechanical properties of paper archives will be weakened. By deacidizing and strengthening, the further aging of the acidified archives paper can be delayed or prevented, and the mechanical properties can be improved, so that the service life of paper archives is prolonged. To delay even to prevent the aging process, deacidizing and strengthening technology is employed. Herein, the "hybrid" system was reported by combining nano-calcium carbonate as deacidification agent, modified hydroxypropyl cellulose as reinforcement agent and ethanol as dispersant. The artificially acidified paper was brushed with it, and the pH value, mechanical properties and whiteness were measured to study the effect of deacidification and reinforcement. The results showed that oleic acid was successfully grafted onto hydroxypropyl cellulose by N,N′-carbonyl diimidazole mediated method to obtain oleic acid grafted hydroxypropyl cellulose with good dispersion in ethanol. After treating acidified paper with "hybrid" system, the pH value and the tensile strength index increase, the whiteness is almost unchanged, that is, the use of "hybrid" system plays a good deacidifying strengthening effect. The acidified paper samples before and after treatment with "hybrid" system were subjected to dry-heat aging treatment. Compared with acidified paper, the pH value, tensile strength index and whiteness of acidified paper treated with "hybrid" system are effectively inhibited, that is, the use of "hybrid" system can effectively delay the aging and acidification process of paper. [ABSTRACT FROM AUTHOR]

Aging behavior occurs in the storage process of paper archives, which accelerates the aging process of the paper. Therefore, it is important for paper archives management to explore the aging behavior of acidified paper (AP) and to delay or prevent its further aging. The aging behavior of the commonly used university archives paper with artificial acidification were studied by measuring pH value, electrical conductivity, mechanical properties and whiteness. The results show that the pH value, conductivity, mechanical properties and whiteness of AP change significantly compared with the non-acidified raw paper (P). After dry-heat aging treatment, the pH value of AP decreased more obviously than P, which shows more obvious aging degradation and further acidification of AP. During the aging process of AP, the molecular and structural degradation are promoted by the presence of acidic substances, which increase the electrical conductivity of the system. The microstructures of the paper are changed by acidification and aging treatment, and more fiber fracture, etching and microscopic holes are found in the surface SEM images. The reductions of the tensile index and whiteness of AP are also more significant because of the degradation acceleration of the acid. [ABSTRACT FROM AUTHOR]

The relationship between environmental regulation and firm productivity has been widely debated but inconsistencies in findings across different studies. Using detailed firm-level micro-data from 2000 to 2007, this paper employs difference-in-difference combined with matching based on entropy balancing method to explore the effect of environmental regulation on firm total factor productivity (TFP) in pulp and paper industry in China. Our main findings are as following: Firstly, stricter environmental regulation, as represented by the Wastewater Discharge Standards for Pulp and Paper Industry in Shandong province, increases firm TFP significantly. Moreover, the coefficients of interest are robust to multiple robustness checks. Secondly, dynamic effects estimates reveal that when faced with this phase-in environmental regulation, firms take the foreseeably increasing strictness into account from the very beginning and prefer to take one-step adjustment to reach full compliance. Thirdly, potential mechanism analysis finds that the positive effect mainly comes from the improvement of resource allocation efficiency within firms. Fourthly, the heterogeneity test indicates that the effect of environmental regulation on firm TFP is heterogeneous across firms with different sizes, ages, ownerships, capital intensity, and export status. Finally, this paper provides convincing and insightful evidence that environmental regulation has the potential to achieve the dual goals of environmental sustainability and economic growth and is thus of broader significance for understanding the enforcement of environmental regulation in developing countries. [ABSTRACT FROM AUTHOR]

A Japanese painting paper is sized with an aqueous solution of alum and animal glue followed by brushing with a mixture of pigments of various colours and aqueous animal glue solution. Subsequently, to mount the Japanese painting to a hanging scroll, the backside of the painting is lined with a first lining paper using wheat starch paste for mechanical support. To evaluate the permanence of the painting paper as a composite material in the hanging scroll, the deterioration behaviour of the unlined painting paper and the lined painting paper was compared considering the material dynamics. After moist heat accelerated ageing (80°C, 65% RH), in the sample immersed in a CuSO4・5H2O solution, cellulose was oxidised by Cu2+ to generate organic acids in the painting paper, and Cu2+ and organic acids migrated to the lining paper. Consequently, the discolouration and oxidation of the painting paper in the lined complex were relatively low compared with those of the unlined painting paper. The pH decrease in the painting paper was also small in the lined complex. Moreover, if the animal glue solution was coated on the painting paper, a buffer effect was shown to operate against the organic acids derived from the oxidation of Cu2+, thereby inhibiting the migration of Cu2+ into the lining paper. In conclusion, the presence of the lining paper inhibited the decrease in the physical strength and degree of polymerisation of the cellulose in the painting paper, thus contributing to its permanence in the lined hanging scroll. [ABSTRACT FROM AUTHOR]

The aging and acidification behavior of paper archives affect their long-term preservation. Therefore, delaying or preventing aging and acidification has become an important topic in the field of paper archives management. the aging and acidification behavior of commercial archival paper were studied by measuring pH value, electrical conductivity, mechanical properties and whiteness in this work. The results show that the aging and acidification phenomena are obvious after dry-heat aging treatment. The molecular degradation of cellulose, hemicellulose, lignin and other components results in the decrease of pH value of the system, which decrease with the increase of the treatment temperature and time. The electrical conductivity of the system increases because of the molecular degradation and structural degradation, and with the increase of the treatment temperature and time, the electrical conductivity increases more significantly. After aging treatment, the paper appears etching and increasing microcosmic pores. With the occurrence of molecular degradation and structural degradation, the tensile index and whiteness of the paper decrease, and with the increase of the treatment temperature and time, the tensile index and whiteness decrease more significantly. [ABSTRACT FROM AUTHOR]

Medication prescription procedures were reviewed at psychiatric residential treatment centers (RTC), and a quality improvement project was conducted in order to implement integrated electronic medical records (EMR) and computerized provider order entry (CPOE). To assess the impact of preexisting prescribing practices on RTCs, surveys were sent anonymously to current and past providers of regional and local RTCs. The surveys assessed the impact of the prescribing protocol on workflow, the frequency of medication errors, the impact such errors had on patient care, the overall provider satisfaction, and the discrepancies between electronic and paper charts. Current providers were then re-surveyed after implementing the integrated CPOE system in May 2020, during the COVID-19 pandemic. The first round of provider survey results revealed that the majority of staff (n = 10, 70%) observed frequent medication errors and were largely dissatisfied with the current medication ordering and administration process (n = 10; 70%). Incident Response Improvement System (IRIS) reports revealed the most common medication errors were omissions, incorrect dosing, and incorrect medications administered. After the initiation and implementation of the CPOE, staff satisfaction increased with the process (n = 14; 50%) noting that medication errors were less frequent than before (n = 14; 50%). [ABSTRACT FROM AUTHOR]

The use of printed paper electronics in consumer goods is expected to experience a mass development in the next future. The ink used in these devices contains silver nanomaterials that may be released into the environment at the product end-of-life. We report here the first evaluation of the fate of silver during a pilot-scale recycling of printed paper electronics, made of paper printed with a cellulose nanofibrils-silver nanowire ink. We show that the released effluents are mainly free from silver, which is retained in the pulp conserved for recycling. We use atomic force microscopy experiments to show that this strong pulp-silver bond is due to the embedding of the silver nanowires in the pulp by coils of cellulose nanofibrils. We propose an estimate of the resulting adhesion stress of the nanowires to the ink, high enough to keep the silver inside the pulp during the recycling procedure. [ABSTRACT FROM AUTHOR]

Michael Hillard's Shredding Paper: The Rise and Fall of Maine's Mighty Paper Industry is both a labor history of the paper industry and a political economy of corporate governance and class struggle in the United States. As a labor historian, Hillard has compiled thousands of hours of interviews with paper-industry workers and managers. As a political economist, he persuasively argues that contests over the distribution of surplus from the 1960s forward and shifts in paper-industry ownership led to the strike wave that began in the '60s and spread to every paper mill in Maine by the late 1980s. Rapacious practices by out-of-state owners challenged workers' moral compass as much as their material existence. Responding, paper workers developed a folk political economy and even a folk Marxism, creating the foundation for challenging working-class support for regressive economics. This review provides context for Hillard's claim while partially challenging it in a different context, the United States steel industry. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Natural Fibers is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The recovery rate of paper products is a key factor in measuring the recyscling potential and the sustainability of the paper industry. Accurately measuring the recovery rate of paper products holds important theoretical and practical value. This paper took the non-recycling part and time factor into account and built the Koyck model to estimate the recovery rate, storage loss rate and recovery cycle of paper products. The model results showed that the recovery rate of Chinese paper products in 2017 increased to 58.05%, which was 10% higher than the results of methods that did not contain the non-recycling part or the time factor. The model results also showed that the storage loss rate of Chinese paper products was much higher than that of developed countries while the recovery cycle was close to the level of developed countries. The distribution analysis showed that the storage loss rate and recovery cycle of Chinese paper products varied significantly over time, which may be the result of policies and the change of consumption structure. It is suggested that the Chinese government should take measures to reduce the storage loss rate of paper products and enhance their recycling ability to achieve sustainable development. [ABSTRACT FROM AUTHOR]

This article discusses how paper artisans in Chosŏn Korea transformed the once government-controlled paper production into their own prosperous trade, by focusing on their techniques for recycling paper. They called the paper they made that was not in use 'resting paper', and referred to its reuse, which they facilitated, as a process of 'returning'. These recycling techniques were unique even among its East Asian neighbours and induced new rules about paper production, including the careful accounting of 'resting paper' by government officials. This essay thus helps illuminate two things thus far less noted in the Chosŏn transformation of production: First, the prominent role of techniques in Chosŏn's productive revolutions (not best characterized as either 'industrial' nor 'industrious') before the twentieth century; and second, the constant negotiations that these recycling artisans had made with the Chosŏn court and its officials. The essay uses the robust recycled paper products still remaining in museums, and new kinds of documents about 'resting paper' and its constant transformers. [ABSTRACT FROM AUTHOR]

Gas chromatography – tandem mass spectrometry (GC-MS/MS) using formic acid as a protective agent is reported for the determination of acrylic resin monomers in food contact packaging paper. The analytes were extracted by ethanol mixed with formic acid with 2-phenylethyl propionate as the internal standard. The extract was separated by a 6% cyanopropylbenzene-94% dimethylsiloxane ultra-inert chromatographic column and analyzed by GC-MS/MS in multiple reaction monitoring (MRM) mode. 13 acrylic resin monomers including acrylic acid, styrene, and acrylic ester were separated. The procedure was successfully applied for the analysis of real samples. The procedure provided a linear calibration range with detection limits from 0.16 to 0.46 mg kg−1. The mean recoveries were from 88.1% to 100.9% with relative standard deviations less than 5.4%. The residual acrylic resin monomers in packaging paper were primarily from printing base paper and varnish. Of the acrylic resin monomers, the monomers except for butyl acrylate and 2-ethylhexyl acrylate showed low migration rates. The method provides high sensitivity and good reproducibility with simple pretreatment, demonstrating application for monitoring acrylic resin monomers in food contact packaging paper. [ABSTRACT FROM AUTHOR]

This paper focuses on the Southern African Association for Research in Mathematics, Science and Technology Education's (SAARMSTE's) role as a platform supporting research dissemination and connecting researchers in early grades mathematics (EGM) in the Southern African region. A review of the Long Papers in SAARMSTE over the last 20 years supports the finding of the other review papers in this Special Issue: that there has been substantial growth of attention to EGM since 2013. However, two distinctions are marked when looking at conference papers rather than journal papers. Firstly, there is a particularly large expansion of work in the last 5 years, with a broadening base of participation in this work. Second, looking across all the formats of conference presentations indicates SAARMSTE's role in supporting and building EGM as a key focus of research attention, and bringing together regional and international groups with interests in this area. Given that conference proceedings usually offer a broader picture of emerging interests than journal papers, we reflect on the range of foci of attention within EGM in the SAARMSTE Proceedings, and trends within this. These trends also help us to point to areas that are likely to be of key interest in the next decade. [ABSTRACT FROM AUTHOR]

Thiophene sulfide is difficult to be removed by hydrodesulfurization. In this study, ZnCl2-waste paper fiber activated carbon was used as adsorbent to remove thiophene sulfide from simulated oil by hydrothermal modification. Under the optimum condition of ammonia modification, the adsorption capacity of modified adsorbent to BT is 14.8 mg S/g, 2.98 times that of unmodified. BET, FTIR and Boehm analysis showed that the mesopore volume of ammonia modified adsorbent increased by 96.62% and the mesopore ratio increased from 12.58% to 43.40%, which was conducive to improving the adsorption rate. After modification, the basic groups on the surface of the adsorbent increased by 44.3 times, and –NH3+, –OH and –NH2 enhanced the electron attraction and hydrogen bonding force between the adsorbent and BT molecule. Adsorption isotherms, adsorption kinetics and adsorption thermodynamics show that the adsorption process is spontaneous, entropic and exothermic. The pseudo-second-order kinetic rate constant increases with the increase of adsorption temperature, indicating that the increase of temperature is beneficial to accelerate the adsorption rate. The adsorption desulfurization process follows the mechanism of single and multilayer adsorption mixing. The results of this study can help to reveal more clearly that biobased activated carbon can be modified to adsorb thiophene sulfide. Ammonia modified adsorbents enhance the adsorption capacity for benzothiophene [ABSTRACT FROM AUTHOR]

Lead pollution may cause serious damage to environment safety and human health, especially to children's growth. In this work, by using double stranded DNA (dsDNA) as the recognition element, a simple and effective electrochemical DNA sensor has been developed on a full carbon-based substrate, reduced graphene oxide/carbon paper (rGO/CP), to accomplish the rapid, sensitive and selective determination of Pb2+. Carbon paper (CP) provides a suitable substrate for the sensor with high portability and low cost, while rGO is easily electrodeposited onto CP and serves as both the signal amplification element and the molecular bridge between DNA and CP. Because of its high specific surface area and unique conjugated giant π structure, rGO tightly binds with DNA through π-π stacking and hydrophobic interactions, thereby providing loading of high quantities of DNA. The specific coordination between DNA and Pb2+ further improves the sensitivity of the sensor. The results demonstrate that rapid electrochemical enrichment of Pb2+ is achieved using the constructed CP/rGO/DNA electrode with a linear relationship between the peak current and the concentration of Pb2+ from 1 pM to 100 pM and a detection limit of 1 pM. In addition, this approach shows good selectivity and satisfactory repeatability for river water analysis. A promising sensitive, low-cost, simply-fabricated, and portable full carbon-based electrochemical biosensing platform has been therefore provided for lead determination. [ABSTRACT FROM AUTHOR]

Stanley Kubrick's project on the Holocaust, Aryan Papers, was dear to his heart. He worked on it for a long time, but he could not, in the end, bring himself to complete the planned film. This article canvasses some of the reasons other scholars have supplied for this film remaining unmade, including the notion that the Holocaust is unrepresentable. However, it points to a novel explanation. I argue that Kubrick's plot modifications, particularly to the conclusion, doomed the project. Specifically, Kubrick has a Jewish woman take revenge for war-time atrocities. Discussing revenge in relation to the Holocaust has until recently been as impious as representing the Holocaust itself. Jewish revenge was unfashionable in Holocaust films of all kinds when Kubrick was working on Aryan Papers in the early 1990s. Kubrick's planned film was generically ahead of its times. The vengeful Jewish woman had to wait for Inglourious Basterds in 2009. [ABSTRACT FROM AUTHOR]

This article asks why Stanley Kubrick's longstanding wish to direct the film version of Louis Begley's 1991 novel Wartime Lies never came to fruition. In Begley's novel, the protagonist Maciek recounts the experience of living in hiding under a false identity in Nazi-occupied Poland. Kubrick drafted a series of quite different plotlines and conclusions for the film version, to be called Aryan Papers, in which Maciek's aunt Tania takes a highly dramatic role in their destiny. The more Kubrick changed Aryan Papers, in response to the pressure of Hollywood expectations and the cultural valorization of active Holocaust resistance, the less it resembled the very work he had chosen to adapt. This impasse shows why the director could not ultimately bring Aryan Papers to the screen. [ABSTRACT FROM AUTHOR]

The present article provides a comprehensive analysis of the aging phenomenon of transformer insulation and the corresponding changes in insulation performance that occur over time. The present manuscript outlines diverse insulating materials that are employed in transformers, the fundamental aging mechanism of the insulation, the function of space charges in the aging of the insulation, and various simulation methodologies utilized for diagnosing the insulation status of the transformer. The primary focus of this paper is to examine the various numerical techniques employed in modeling and analyzing the aging characteristics of transformer insulation. The mechanisms underlying the accumulation of charge and distortion of electric fields in insulation are explained through the utilization of numerical modeling techniques. This paper focuses on understanding the mechanism of insulation aging, thereby facilitating the optimization and maintenance of insulation performance throughout its operational lifespan. [ABSTRACT FROM AUTHOR]

The present study aims to highlight the features of Connected Papers, a visual tool that can help researchers find and explore academic papers in their literature search. The authors describe how Connected Papers allow to create a network of all the literature available related to a chosen paper. One can use Connected Papers to pull together related papers on a chosen topic and see prior and derivative works based on that topic. Using the Connected Papers tool authors attempt to visualize the key literature on the topic "Blockchain in libraries." To date, most Blockchain technology applications in libraries are still in the conceptual stage. However, sooner or later, the development and implementation of the technology are expected to facilitate the transformation of how libraries provide services and organize information. This study contributes to examining the research being done to explore the potential of Blockchain technology in libraries through mapping and visualization. The paper is original in terms of the Visual tool used "Connected Papers." [ABSTRACT FROM AUTHOR]

Cellulose was isolated from recycled pulp and paper sludge and used to synthesize cellulose nanocrystals. Response surface methodology and Box-Behnken design model were used to predict, improve, and optimize the cellulose isolation process. The optimal conditions were a reaction temperature of 87.5 °C, 180 min with 4% sodium hydroxide. SEM and TEM results revealed that the isolated cellulose had long rod-like structures of different dimensions than CNCs with short rod-like structures. The crystallinity index from XRD significantly increased from 41.33%, 63.7%, and 75.6% for Kimberly mill pulp sludge (KMRPPS), chemically purified cellulose and cellulose nanocrystals, respectively. The TGA/DTG analysis showed that the isolated cellulosic materials possessed higher thermal stability. FTIR analysis suggested that the chemical structures of cellulose and CNCs were modified by chemical treatment. The cellulose surface was highly hydrophilic compared to the CNCs based on the high water holding capacity of 65.31 ± 0.98% and 83.14 ± 1.22%, respectively. The synthesized cellulosic materials portrayed excellent properties for high-end industrial applications like biomedical engineering, advanced materials, nanotechnology, sustainable packaging, personal care products, environmental remediation, additive manufacturing, etc. [ABSTRACT FROM AUTHOR]

During the early Cold War, it was difficult for American intelligence to penetrate the Iron Curtain but a potential solution soon arose: émigré intelligence groups such as the Magyar Harcosok Bajtársi Közössége (MHBK) or 'Association of Hungarian Veterans'. This group, however, turned out to be an intelligence 'paper mill'. Attempts at trans-Atlantic cooperation with the MHBK and similar groups failed as they lost most of their good sources and were penetrated by communist security services. By the mid-1950s, US intelligence cut these groups off, took over their good sources, and established a source registry to prevent recurrence of the problem. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Natural Fibers is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)