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Статті в журналах з теми "Date extraction"

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Автор: Grafiati

Опубліковано: 19 червня 2022

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1

Kumar, Nitin, and Abhishek Pradhan. "Published Date Extraction System A semi-supervised approach of extraction." International Journal of Engineering Trends and Technology 45, no. 2 (March 25, 2017): 87–92. http://dx.doi.org/10.14445/22315381/ijett-v45p220.

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2

BOUSSENA, Zahida, and Mustapha KHALI. "Extraction and chemical composition of algerian date seeds oil." Nutrition & Santé 05, no. 02 (June 30, 2016): 100–106. http://dx.doi.org/10.30952/ns.5.2.5.

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3

Lo Giudice, Antonino, Lorenzo Rustico, Vincenzo Ronsivalle, Paola Spinuzza, Alessandro Polizzi, Angela Mirea Bellocchio, Simone Scapellato, Marco Portelli, and Riccardo Nucera. "A Full Diagnostic Process for the Orthodontic Treatment Strategy: A Documented Case Report." Dentistry Journal 8, no. 2 (May 6, 2020): 41. http://dx.doi.org/10.3390/dj8020041.

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The need for extractions in orthodontic treatment has always been a controversial topic. However, to date there is not a specific clinical guideline that can help the clinicians deciding to plan an extractive or a non-extractive orthodontic treatment. In this respect, clinicians must deal with patients’ occlusal, functional, periodontal and aesthetics characteristics before planning an orthodontic treatment including extraction. Considering the absence of specific guidelines, the choice to extract teeth or not is complicated, particularly in borderline cases. In this case report, we present a borderline case of a patient with the skeletal Class III pattern and significant crowding in both arches that could be treated with or without extraction, illustrating the diagnostic and decision-making processes that were conducted for the orthodontic treatment strategy.

4

Salomón-Torres, Ricardo, Robert Krueger, Juan Pablo García-Vázquez, Rafael Villa-Angulo, Carlos Villa-Angulo, Noé Ortiz-Uribe, Jesús Arturo Sol-Uribe, and Laura Samaniego-Sandoval. "Date Palm Pollen: Features, Production, Extraction and Pollination Methods." Agronomy 11, no. 3 (March 8, 2021): 504. http://dx.doi.org/10.3390/agronomy11030504.

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Date palm pollen (DPP) plays a very important role in the fertilization process, since its viability and the pollination method influence on the quality, development, and yield of the fruit. In the present study, a broad review of its main characteristics, consumption, and DPP production are presented, as well as a description of its extraction methods and viability tests. The evolution of the pollination methods used in the date palm is also presented, from its natural pollination to the use of specialized mechanical and electrical devices, as well as the use of dry DPP and the current trend towards the use of DPP in liquid suspension. Likewise, the efficiency of the methods of natural pollination (wind); traditional (strands placement); dusting hand; dusting with manual, mechanical, or electric pollinator; and liquid pollination were evaluated from the fruit set percentage (FSP). Finally, starting from a scientometric analysis, the pollination methods were widely discussed, concluding that the dusting spraying of pollen suspension with liquid DPP is the pollination method that commonly presents the highest FSP, followed by dusting dry DPP with a motorized pollinator.

5

Scholtz, Brenda, Thashen Padayachy, and Oluwande Adewoyin. "Pilot Testing of an Information Extraction (IE) Prototype for Legal Research." African Journal of Information and Communication, no. 25 (June 30, 2020): 1–20. http://dx.doi.org/10.23962/10539/29192.

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This article presents findings from pilot testing of elements of an information extraction (IE) prototype designed to assist legal researchers in engaging with case law databases. The prototype that was piloted seeks to extract, from legal case documents, relevant and accurate information on cases referred to (CRTs) in the source cases. Testing of CRT extraction from 50 source cases resulted in only 38% (n = 19) of the extractions providing an accurate number of CRTs. In respect of the prototype’s extraction of CRT attributes (case title, date, journal, and action), none of the 50 extractions produced fully accurate attribute information. The article outlines the prototype, the pilot testing process, and the test findings, and then concludes with a discussion of where the prototype needs to be improved.

6

Alan Jiju, Shaun Tuscano, and Chetana Badgujar. "OCR Text Extraction." International Journal of Engineering and Management Research 11, no. 2 (April 18, 2021): 83–86. http://dx.doi.org/10.31033/ijemr.11.2.11.

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This research tries to find out a methodology through which any data from the daily-use printed bills and invoices can be extracted. The data from these bills or invoices can be used extensively later on – such as machine learning or statistical analysis. This research focuses on extraction of final bill-amount, itinerary, date and similar data from bills and invoices as they encapsulate an ample amount of information about the users purchases, likes or dislikes etc. Optical Character Recognition (OCR) technology is a system that provides a full alphanumeric recognition of printed or handwritten characters from images. Initially, OpenCV has been used to detect the bill or invoice from the image and filter out the unnecessary noise from the image. Then intermediate image is passed for further processing using Tesseract OCR engine, which is an optical character recognition engine. Tesseract intends to apply Text Segmentation in order to extract written text in various fonts and languages. Our methodology proves to be highly accurate while tested on a variety of input images of bills and invoices.

7

Djaoud, Kahina, Lynda Arkoub-Djermoune, Hocine Remini, Sabrina Sait, Myriam Tazarourte, Samir Hadjal, Alberto Romero, Khodir Madani, and Lila Boulekbache-Makhlouf. "Syrup from Common Date Variety (Phoenix dactylifera L.): Optimization of Sugars Extraction and their Quantification by High Performance Liquid Chromatography." Current Nutrition & Food Science 16, no. 4 (July 13, 2020): 530–42. http://dx.doi.org/10.2174/1573401315666190115160950.

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Background: In Algeria, important quantities of secondary date variety (Phoenix dactylifera L.) are generated in each campaign; their chemical composition is similar to that of commercial dates. The present work aims to valorize this common date variety (Degla-beida) which is often poorly exploited. Methods: In this context, we tried to prepare syrup from the secondary date variety and evaluate the effect of conventional extraction (CE) or water bath extraction (WBE) and alternative extraction (microwaves assisted extraction (MAE) and ultrasound-assisted extraction (UAE)) on its total sugar content (TSC), using response surface methodology (RSM). Then, the analysis of individual sugars was performed by high performance liquid chromatography (HPLC). Results: Maximum predicted TSC recoveries under the optimized conditions for MAE, UAE and CE were 233.248 ± 3.594 g/l, 202.889 ± 5.797 g/l and 233.535 ± 5.412 g/l, respectively, which were close to the experimental values: 233.796 ± 1.898 g/l; 202.037 ± 3.401 g/l and 234.380 ± 2.425 g/l. HPLC analysis revealed high similarity in the sugar composition of date juices obtained by MAE (60.11% sucrose, 16.64% glucose and 23.25% fructose) and CE (50.78% sucrose, 20.67% glucose and 28.55% fructose), although a large difference was detected for that obtained by UAE (0.00% sucrose, 46.94% glucose and 53.06% fructose). Conclusion: Microwave-assisted extraction was the best method for the preparation of date syrup with an optimal recovery of total sugar content. However, ultrasound-assisted extraction was the best one for the preparation of date syrup with high content of reducing sugars.

8

Edinborough, Kevan, Stephen Shennan, Anne Teather, Jon Baczkowski, Andrew Bevan, Richard Bradley, Gordon Cook, et al. "New Radiocarbon Dates Show Early Neolithic Date of Flint-Mining and Stone Quarrying in Britain." Radiocarbon 62, no. 1 (August 7, 2019): 75–105. http://dx.doi.org/10.1017/rdc.2019.85.

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ABSTRACTNew radiocarbon (14C) dates suggest a simultaneous appearance of two technologically and geographically distinct axe production practices in Neolithic Britain; igneous open-air quarries in Great Langdale, Cumbria, and from flint mines in southern England at ~4000–3700 cal BC. In light of the recent evidence that farming was introduced at this time by large-scale immigration from northwest Europe, and that expansion within Britain was extremely rapid, we argue that this synchronicity supports this speed of colonization and reflects a knowledge of complex extraction processes and associated exchange networks already possessed by the immigrant groups; long-range connections developed as colonization rapidly expanded. Although we can model the start of these new extraction activities, it remains difficult to estimate how long significant production activity lasted at these key sites given the nature of the record from which samples could be obtained.

9

Derrouiche, Imene. "Study of Extraction and Characterization of Ultimate Date Palm Fibers." Advances in Materials 4, no. 5 (2015): 7. http://dx.doi.org/10.11648/j.am.s.2015040501.12.

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10

Al-Rahbi, Bushra Salim Nasser, and Dr Priy Brat Dwivedi. "EXTRACTION AND CHARACETRIZATION OF FURFURAL FROM WASTE OMANI DATE SEEDS." Green Chemistry & Technology Letters 2, no. 4 (December 31, 2016): 219. http://dx.doi.org/10.18510/gctl.2016.249.

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Purpose: Furfural (C5H4O2), is an economic and business product in European countries such as America and Australia. Previous years have seen a remarkable increase in the number of palm trees in the Arabian region. The percentage of furfural present in dates seed is around 30%. This paper outline the extraction of furfural from waste Omani date seeds. Methodology: Date seeds were washed, sun dried, heated at 1000C, ground, powdered, and mixed with solvent n-hexane for one day. Then filtered and filtrate was subjected to simple distillation at 600C in round bottom flask. Furfural was recovered in round-bottom flask and solvent was recovered in other beaker. This hexane was reused for furfural extraction from other batches. Findings: Extracted product was characterized by Carbon NMR, and Proton NMR. The Carbon NMR result the experiments were carried out in Bruker Avance III HD 700 MHz spectrometer equipped with 5mm TCI H/C/N cryoprobe. The proton NMR experiment was run using zg30 pulse program operating at 700.13 MHz. Occurrence of C-NMR peaks at 127, 131, 173 ppm confirms the presence of carbon atoms in furfural ring. And presence of H-NMR peaks between 4 to 8 ppm confirms the presence of furfural protons. Social Implications: Furfural substance is used in a number of the important chemical industries such as nylon, plastic, ratings that protect the metals from corrosion, solvents, adhesive, medicines, and plastics and is used in the industry of insecticides, fungicides, anti-microbe, and antiseptics. Therefore, it is widely used in the petrol refinery laboratories to treat the bad Carbon and different Sulfuric combinations existing in the lube oils and it is used in the operations of refining some types of fuel as well, such as diesel. Originality/Novelty: This study is done on Omani date seeds at Caledonian College of Engineering in Chemical Analysis Lab. Extraction product was characterized in Central Analytical and Applied Research Unit at Sultan Qaboos University, Muscat.

11

Ben-Youssef, Sahar, Jawhar Fakhfakh, Cassandra Breil, Maryline Abert-Vian, Farid Chemat, and Noureddine Allouche. "Green extraction procedures of lipids from Tunisian date palm seeds." Industrial Crops and Products 108 (December 2017): 520–25. http://dx.doi.org/10.1016/j.indcrop.2017.07.010.

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12

Al-Farsi, Mohamed Ali, and Chang Yong Lee. "Optimization of phenolics and dietary fibre extraction from date seeds." Food Chemistry 108, no. 3 (June 2008): 977–85. http://dx.doi.org/10.1016/j.foodchem.2007.12.009.

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13

Mohamed, Hisham, Mohamed Al-Hajhoj, Mohamed Al-Saikhan, Nashi Alqahtani, Mohammad Zayed, Mahmoud Moawad, Waleed Alsenaien, and Maged E. Mohamed. "Green Extraction of Date Palm Fruits via Ultrasonic-Assisted Approach: Optimizations and Antioxidant Enrichments." Processes 10, no. 6 (May 24, 2022): 1049. http://dx.doi.org/10.3390/pr10061049.

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Background: Green extraction involves using green solvents, such as water, to reduce energy consumption, avoid health and environmental hazards and induce the quality and quantity of the extract. Date palm fruits are a vital source of food and medicinal activities, as they contain a high diversity of phytochemicals, mainly phenolic and flavonoid compounds. The main aim of this study is to investigate the use of water as a green solvent, when assisted by different ultrasonic frequencies, in the extraction of four different cultivars of date palm fruits, by evaluating the phenolic and flavonoid composition as well as the antioxidant capacity of the extract. Methods: Four date palm fruits’ cultivars (Agwa, Anbarah, Khalas, and Reziz) were extracted using conventional methods (by water and ethanol) and by ultrasonic means, using two frequencies, 28 and 40 kHz, and applying temperatures (30, 45, and 60 °C), also measuring extraction times (20, 40, 60 min.). Response surface methodology was used for the statistical analysis, applying three factors (temperature, time, and ultrasonic frequency), four responses (total phenolic content, total flavonoid content, FRAP, and ABTS), and four cultivars (categories). Results: Conventional water extraction obtained minimal phenolic and flavonoid compounds (up to 52% of ethanol extraction). This percent improved to reach 60% when heat was utilized. The application of ultrasonic frequencies significantly enhanced the extraction of phenolics/flavonoids and the antioxidant ability of the extract to nearly 90% and 80%, respectively. The use of 40 kHz ultrasonic power managed to extract more phenolic and flavonoid components; however, the antioxidant capacities of the extract were less than when the 28 kHz power was utilized. Agwa and Khalas demonstrated themselves to be the best cultivars for ultrasonic-assisted extraction, depending on the results of the optimized responses. Conclusion: This study could be implemented in the industry to produce date palm fruits’ enriched extracts with phenolic and flavonoid components and/or antioxidants.

14

Rezaei Motlagh, Shiva, Razif Harun, Dayang Awang Biak, Siti Hussain, Wan Wan Ab Karim Ghani, Ramin Khezri, Cecilia Wilfred, and Amal Elgharbawy. "Screening of Suitable Ionic Liquids as Green Solvents for Extraction of Eicosapentaenoic Acid (EPA) from Microalgae Biomass Using COSMO-RS Model." Molecules 24, no. 4 (February 16, 2019): 713. http://dx.doi.org/10.3390/molecules24040713.

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Omega-3 poly unsaturated fatty acids (PUFA) particularly eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA), have many health benefits including reducing the risk of cancer and cardiovascular disease. Recently, the use of ionic liquids (ILs) in lipid extraction from microalgae provides the potential to overcome common drawbacks, offers several other benefits. To date, very limited researches are available to focus on extracting microalgae lipid and PUFA in particular by using ILs. The objective of current work is to screen the potential ILs that can be applied in EPA extraction. In this study, fast ILs screening was performed with the help of a conductor like screening model for real solvents (COSMO-RS) and the ILs with higher capacity values for use in extraction of EPA were compared. According to the results, the highest capacity for EPA extraction among 352 screened cation/anion combinations belongs to [TMAm][SO4]. It is expected to achieve a higher yield of EPA once applying this combination as the solvent in the process of extraction. ILs with small anions were observed to have higher capacities, as well possessing higher charge density compared to larger ones, and therefore, they are more preferable for extraction purposes. Moreover, shorter alkyl chain cations are preferred when using imidazolium-based IL, which agrees with experimental data.

15

Bushnaq, Hooralain, Rambabu Krishnamoorthy, Mohammad Abu-Zahra, Shadi W. Hasan, Hanifa Taher, Suliman Yousef Alomar, Naushad Ahmad, and Fawzi Banat. "Supercritical Technology-Based Date Sugar Powder Production: Process Modeling and Simulation." Processes 10, no. 2 (January 27, 2022): 257. http://dx.doi.org/10.3390/pr10020257.

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Date palm fruits (Phoenix dactylifera) contain high levels of fructose and glucose sugars. These natural sugar forms are healthy, nutritional and easily assimilate into human metabolism. The successful production of soluble date sugar powder from nutritious date fruits would result in a new food product that could replace the commercial refined sugar. In this work, a novel process technology based on the supercritical extraction of sugar components from date pulp was modeled and simulated using Aspen Plus software. The process model consisted of three main steps that were individually simulated for their optimal working conditions as follows: (a) freeze-drying of the date pulp at −42 °C and 0.0001 bar; (b) supercritical extraction of the sugar components using a 6.77 wt.% water mixed CO2 solvent system at a pressure of 308 bar, temperature of 65 °C, and CO2 flow rate of 31,000 kg/h; and (c) spray-drying of the extract using 40 wt.% Gum Arabic as the carrier agent and air as drying medium at 150 °C. The overall production yield of the process showed an extraction efficiency of 99.1% for the recovery of total reducing sugars from the date fruit. The solubility of the as-produced date sugar powder was improved by the process selectivity, elimination of insoluble fiber contents, and the addition of Gum Arabic. The solubility of the final date sugar product was estimated as 0.89 g/g water.

16

Elnajjar, Emad, Shereen Hasan, Ali Hilal Alnaqbi, Salah Aldeen Al Omari, and Sulaiman Al-Zuhair. "Optimizing the Extraction of Oils from Date Seeds for Biodiesel Production." International Journal of Environmental Research 12, no. 1 (January 23, 2018): 101–8. http://dx.doi.org/10.1007/s41742-018-0073-3.

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17

Rao, K. Murali Mohan, and K. Mohana Rao. "Extraction and tensile properties of natural fibers: Vakka, date and bamboo." Composite Structures 77, no. 3 (February 2007): 288–95. http://dx.doi.org/10.1016/j.compstruct.2005.07.023.

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18

Mandal, Ranju, Partha Pratim Roy, Umapada Pal, and Michael Blumenstein. "Multi-lingual date field extraction for automatic document retrieval by machine." Information Sciences 314 (September 2015): 277–92. http://dx.doi.org/10.1016/j.ins.2014.08.037.

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19

Jamil, Farrukh, Ala’a H. Al-Muhtaseb, Lamya Al-Haj, Mohab A. Al-Hinai, Paul Hellier, and Umer Rashid. "Optimization of oil extraction from waste “Date pits” for biodiesel production." Energy Conversion and Management 117 (June 2016): 264–72. http://dx.doi.org/10.1016/j.enconman.2016.03.025.

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20

Taslim, Muhammad Rizky Agung, and Sigit Purwanto. "EKSTRAKSI MINYAK DARI BIJI KURMA (Phoenix dactylifera L.) DENGAN METODE SOXHLET EXTRACTION DENGAN MENGGUNAKAN ETIL ASETAT." Jurnal Teknik Kimia USU 5, no. 2 (June 29, 2016): 55–60. http://dx.doi.org/10.32734/jtk.v5i2.1536.

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Date palm seed is one of the waste by-products generated from industrial commodities. Date seed oil can be obtained through solvent extraction using a Soxhlet apparatus. In this experiment, date palm seed was used as raw material with ethyl acetate as the solvent. The experiment was carried out by varying extraction time and the mass ratio of date palm seed to solvent. The highest oil concentration of 9.5% was obtained at date palm seed to solvent mass ratio of 1:6 with extraction time of 2 hours. Peroxide value, iodine value, specific gravity, and free fatty acid content of date seed oil were, consecutively, 0.81 meq/kg oil, 10.15 mg/g, 0.80, and 0.52%. The highest fatty acid composition of date seed oil was oleic acid at 37.22% followed by lauric acid at 19.36%.

21

Gordalina, Mariana, Helena M. Pinheiro, Marília Mateus, M. Manuela R. da Fonseca, and M. Teresa Cesário. "Macroalgae as Protein Sources—A Review on Protein Bioactivity, Extraction, Purification and Characterization." Applied Sciences 11, no. 17 (August 28, 2021): 7969. http://dx.doi.org/10.3390/app11177969.

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The increased demand for protein sources combined with a decrease in the available land and water resources have led to a growing interest in macroalgae as alternative protein sources. This review focuses on strategies for macroalgae protein extraction, enrichment and characterization. To date, the protein extraction methods applied to algae include enzymatic hydrolysis, physical processes and chemical extraction. Novel methods, such as pulsed electric field, microwave-assisted, pressurized liquid and supercritical fluid extractions, and the application of smart solvents are discussed. An overview of the use of membranes and other processes to generate high-value protein concentrates from algae extracts is also presented, as well as some examples of the methods used for their characterization. The potential bioactivities from macroalgae-derived proteins and peptides, including novel glycoproteins and lectins, are briefly reviewed.

22

Norton, Caleb, Benjamin Holmes, Asad Al Aboud, Eun-Jeong Kim, Holly Gonzales, Christopher Ellis, Roy John, George H. Crossley, and Jay Montgomery. "Transvenous Extraction and Removal of Pacing Leads Placed after Cardiac Transplantation." Case Reports in Cardiology 2019 (January 3, 2019): 1–4. http://dx.doi.org/10.1155/2019/6270950.

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There is an increasing prevalence of cardiac implantable electronic devices (CIEDs) due to expanding adoption and availability of these evidence-based therapies. With the increased prevalence of these life-saving devices, there has also been an increased demand for lead removal and lead extraction. Understanding the specific subgroups of patients at high risk for complications during and after lead extraction has become imperative to properly manage endovascular CIED leads. There have been multiple published studies describing clinical variables that predict adverse outcomes in CIED system extractions; however, the risk of complications in leads placed after cardiac transplantation has not specifically been addressed to date. We present four cases of transvenous extraction and removal of pacing leads placed after cardiac transplantation. There were no major complications related to extraction in these four cases; however, three of the four patients died within one year after the procedure. While the etiology of death in these cases seemed to be unrelated to the extraction procedure, the indications for extraction (infection in the setting of immunosuppression and calcineurin-associated ESRD and poor sensing/capture possibly secondary to chronic rejection and/or frequent right heart biopsies) likely contributed at least indirectly to the subsequent death.

23

Schmidt, Lena, Babatunde K. Olorisade, Luke A. McGuinness, James Thomas, and Julian P. T. Higgins. "Data extraction methods for systematic review (semi)automation: A living systematic review." F1000Research 10 (May 19, 2021): 401. http://dx.doi.org/10.12688/f1000research.51117.1.

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Background: The reliable and usable (semi)automation of data extraction can support the field of systematic review by reducing the workload required to gather information about the conduct and results of the included studies. This living systematic review examines published approaches for data extraction from reports of clinical studies. Methods: We systematically and continually search MEDLINE, Institute of Electrical and Electronics Engineers (IEEE), arXiv, and the dblp computer science bibliography databases. Full text screening and data extraction are conducted within an open-source living systematic review application created for the purpose of this review. This iteration of the living review includes publications up to a cut-off date of 22 April 2020. Results: In total, 53 publications are included in this version of our review. Of these, 41 (77%) of the publications addressed extraction of data from abstracts, while 14 (26%) used full texts. A total of 48 (90%) publications developed and evaluated classifiers that used randomised controlled trials as the main target texts. Over 30 entities were extracted, with PICOs (population, intervention, comparator, outcome) being the most frequently extracted. A description of their datasets was provided by 49 publications (94%), but only seven (13%) made the data publicly available. Code was made available by 10 (19%) publications, and five (9%) implemented publicly available tools. Conclusions: This living systematic review presents an overview of (semi)automated data-extraction literature of interest to different types of systematic review. We identified a broad evidence base of publications describing data extraction for interventional reviews and a small number of publications extracting epidemiological or diagnostic accuracy data. The lack of publicly available gold-standard data for evaluation, and lack of application thereof, makes it difficult to draw conclusions on which is the best-performing system for each data extraction target. With this living review we aim to review the literature continually.

24

Ranjha, Muhammad Modassar Ali Nawaz, Samavia Amjad, Sana Ashraf, Laiba Khawar, Muhammad Naeem Safdar, Saqib Jabbar, Muhammad Nadeem, Shahid Mahmood, and Mian Anjum Murtaza. "Extraction of Polyphenols from Apple and Pomegranate Peels Employing Different Extraction Techniques for the Development of Functional Date Bars." International Journal of Fruit Science 20, sup3 (June 25, 2020): S1201—S1221. http://dx.doi.org/10.1080/15538362.2020.1782804.

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25

Masmoudi, Manel, Souhail Besbes, Fatma Abbes, Christelle Robert, Michel Paquot, Christophe Blecker, and Hamadi Attia. "Pectin Extraction from Lemon By-Product with Acidified Date Juice: Effect of Extraction Conditions on Chemical Composition of Pectins." Food and Bioprocess Technology 5, no. 2 (March 30, 2010): 687–95. http://dx.doi.org/10.1007/s11947-010-0344-2.

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26

Jones, Maiysha D., David R. Singleton, Wei Sun, and Michael D. Aitken. "Multiple DNA Extractions Coupled with Stable-Isotope Probing of Anthracene-Degrading Bacteria in Contaminated Soil." Applied and Environmental Microbiology 77, no. 9 (March 11, 2011): 2984–91. http://dx.doi.org/10.1128/aem.01942-10.

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ABSTRACTIn many of the DNA-based stable-isotope probing (SIP) studies published to date in which soil communities were investigated, a single DNA extraction was performed on the soil sample, usually using a commercial DNA extraction kit, prior to recovering the13C-labeled (heavy) DNA by density-gradient ultracentrifugation. Recent evidence suggests, however, that a single extraction of a soil sample may not lead to representative recovery of DNA from all of the organisms in the sample. To determine whether multiple DNA extractions would affect the DNA yield, the eubacterial 16S rRNA gene copy number, or the identification of anthracene-degrading bacteria, we performed seven successive DNA extractions on the same aliquot of contaminated soil either untreated or enriched with [U-13C]anthracene. Multiple extractions were necessary to maximize the DNA yield and 16S rRNA gene copy number from both untreated and anthracene-enriched soil samples. Sequences within the orderSphingomonadales, but unrelated to any previously described genus, dominated the 16S rRNA gene clone libraries derived from13C-enriched DNA and were designated “anthracene group 1.” Sequences clustering withVariovoraxspp., which were also highly represented, and sequences related to the genusPigmentiphagawere newly associated with anthracene degradation. The bacterial groups collectively identified across all seven extracts were all recovered in the first extract, although quantitative PCR analysis of SIP-identified groups revealed quantitative differences in extraction patterns. These results suggest that performing multiple DNA extractions on soil samples improves the extractable DNA yield and the number of quantifiable eubacterial 16S rRNA gene copies but have little qualitative effect on the identification of the bacterial groups associated with the degradation of a given carbon source by SIP.

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Magsi, Aurangzeb, Javed Ahmed Mahar, and Shahid Hussain Danwar. "Date Fruit Recognition using Feature Extraction Techniques and Deep Convolutional Neural Network." Indian Journal of Science and Technology 12, no. 32 (August 1, 2019): 1–12. http://dx.doi.org/10.17485/ijst/2019/v12i32/146441.

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Ali, I. A. "A Tunable Microwave Applicator for Extraction of Date-Juice and Similar Products." Journal of Microwave Power and Electromagnetic Energy 35, no. 1 (January 2000): 15–24. http://dx.doi.org/10.1080/08327823.2000.11688415.

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Li, Junchi, and Gangliang Huang. "Extraction, purification, separation, structure, derivatization and activities of polysaccharide from Chinese date." Process Biochemistry 110 (November 2021): 231–42. http://dx.doi.org/10.1016/j.procbio.2021.08.018.

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Wahib, Sara A., Dana A. Da'na, and Mohammad A. Al-Ghouti. "Insight into the extraction and characterization of cellulose nanocrystals from date pits." Arabian Journal of Chemistry 15, no. 3 (March 2022): 103650. http://dx.doi.org/10.1016/j.arabjc.2021.103650.

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Khatriker, S., and M. Kumar. "BUILDING FOOTPRINT EXTRACTION FROM HIGH RESOLUTION SATELLITE IMAGERY USING SEGMENTATION." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-5 (November 19, 2018): 123–28. http://dx.doi.org/10.5194/isprs-archives-xlii-5-123-2018.

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<p><strong>Abstract.</strong> Identification and mapping of urban features such as buildings and roads are an important task for cartographers and urban planners. High resolution satellite imagery supports the efficient extraction of manmade objects. For the planning and designing of Smart cities, building footprint information is an essential component, and geospatial technologies helps in creating this large mass of data inputs for designing and planning of smart cities. In this study segmentation approach is followed for building extraction. For extraction of buildings especially from the high resolution imagery, number of various semiautomatic and automatic methods have been developed till date to reduce the time and efforts required in manual building mapping. In this study, two semiautomatic image segmentation techniques are used for building extraction from high resolution imagery using algorithms- Multi-resolution segmentation and Rule based feature extraction, which are applied on Worldview 2 (2010) imagery of Dehradun area. The segmented image were further classified to extract buildings from the segmented image features. The study identify the usefulness of both the methods in building extraction and finds the optimum set of rules for extracting buildings from high resolution data sets. The True Positive Rate using Rule based feature extraction is 88.11<span class="thinspace"></span>% compared to 85.46<span class="thinspace"></span>% from Multi-resolution segmentation algorithm. The False Negative Rate (FNR) of Multi-resolution segmentation algorithm (16.5<span class="thinspace"></span>%.) is very less compared to Rule based feature extraction (67.5<span class="thinspace"></span>%). In the study the buildings were extracted with the accuracy of 88.9<span class="thinspace"></span>%.</p>

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Saw, Nay Min Min Thaw, Pipob Suwanchaikasem, Rogelio Zuniga-Montanez, Guanglei Qiu, Ezequiel M. Marzinelli, Stefan Wuertz, and Rohan B. H. Williams. "Influence of Extraction Solvent on Nontargeted Metabolomics Analysis of Enrichment Reactor Cultures Performing Enhanced Biological Phosphorus Removal (EBPR)." Metabolites 11, no. 5 (April 26, 2021): 269. http://dx.doi.org/10.3390/metabo11050269.

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Metabolome profiling is becoming more commonly used in the study of complex microbial communities and microbiomes; however, to date, little information is available concerning appropriate extraction procedures. We studied the influence of different extraction solvent mixtures on untargeted metabolomics analysis of two continuous culture enrichment communities performing enhanced biological phosphate removal (EBPR), with each enrichment targeting distinct populations of polyphosphate-accumulating organisms (PAOs). We employed one non-polar solvent and up to four polar solvents for extracting metabolites from biomass. In one of the reactor microbial communities, we surveyed both intracellular and extracellular metabolites using the same set of solvents. All samples were analysed using ultra-performance liquid chromatography mass spectrometry (UPLC-MS). UPLC-MS data obtained from polar and non-polar solvents were analysed separately and evaluated using extent of repeatability, overall extraction capacity and the extent of differential abundance between physiological states. Despite both reactors demonstrating the same bioprocess phenotype, the most appropriate extraction method was biomass specific, with methanol: water (50:50 v/v) and methanol: chloroform: water (40:40:20 v/v/v) being chosen as the most appropriate for each of the two different bioreactors, respectively. Our approach provides new data on the influence of solvent choice on the untargeted surveys of the metabolome of PAO enriched EBPR communities and suggests that metabolome extraction methods need to be carefully tailored to the specific complex microbial community under study.

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Mrabet, A., G. Rodríguez-Gutiérrez, R. Guillén-Bejarano, R. Rodríguez-Arcos, M. Sindic, and A. Jiménez-Araujo. "Optimization of date seed oil extraction using the assistance of hydrothermal and ultrasound technologies." Grasas y Aceites 73, no. 2 (May 17, 2022): e457. http://dx.doi.org/10.3989/gya.0109211.

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The date seed is a by-product from the date industry. Its use as a source of added-value compounds is of great interest. Oil accounts for 5-13% of the seed’s weight. Soxhlet extraction with organic solvents is the traditional method for obtaining oil from seeds. In this work, hydrothermal pre-treatments and sonication are proposed to make the extraction a more environmentally friendly process. Factors such as sonication time and temperature and hexane-to-seed ratio (H/S) have been considered. Response surface methodology was applied for optimization. Hydrothermal treatments increased oil recovery. H/S was the most influential factor, and was close to 7 mL/g seeds for both samples. 71% recovery was achieved for native seeds after 15 min sonication at 45 ºC, and 80% for 180 ºC-treated seeds after 45 min at 35 ºC when compared to Soxhlet extraction. These conditions comply with our initial aim. Pre-treatments seem to have a negative effect on oil stability, although this observation needs to be confirmed.

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Gao, Yiyue, Defu Jiang, Chao Zhang, and Su Guo. "A Labeled GM-PHD Filter for Explicitly Tracking Multiple Targets." Sensors 21, no. 11 (June 7, 2021): 3932. http://dx.doi.org/10.3390/s21113932.

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In this study, an explicit track continuity algorithm is proposed for multitarget tracking (MTT) based on the Gaussian mixture (GM) implementation of the probability hypothesis density (PHD) filter. Trajectory maintenance and multitarget state extraction in the GM-PHD filter have not been effectively integrated to date. To address this problem, we propose an improved GM-PHD filter. In this approach, the Gaussian components are classified and labeled, and multitarget state extraction is converted into multiple single-state extractions. This provides the identity label of the individual target and can shield against the negative effects of clutter in the prior density region on the estimates, thus realizing the integration of trajectory maintenance with state extraction in the GM-PHD filter. As no additional associated procedures are required, the overall real-time performance of the proposed filter is similar to or slightly lower than that of the basic GM-PHD filter. The results of numerical experiments demonstrate that the proposed approach can achieve explicit track continuity.

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Valu, Mihai-Vlad, Liliana Cristina Soare, Nicoleta Anca Sutan, Catalin Ducu, Sorin Moga, Lucian Hritcu, Razvan Stefan Boiangiu, and Simone Carradori. "Optimization of Ultrasonic Extraction to Obtain Erinacine A and Polyphenols with Antioxidant Activity from the Fungal Biomass of Hericium erinaceus." Foods 9, no. 12 (December 18, 2020): 1889. http://dx.doi.org/10.3390/foods9121889.

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Hericium erinaceus is a medicinal fungal species that produces the active biological metabolite erinacine A with strong antioxidant activity. The classical extraction techniques used to date to obtain metabolites from this fungal species require high consumption of resources and energy and, in the end, prove to be expensive and inefficient, especially on a biomedical scale. The aim of this research is based on the development of an ultrasonic extraction (UE) method for the identification and extraction of biological compounds with high antioxidant activity from the mycelia of H. erinaceus biomass developed through a solid cultivation process. The extraction process was optimized by varying parameters to determine the best extraction yield of metabolites involved in such antioxidant activity, using the response surface methodology (RSM). The physicochemical analyses were oriented towards the investigation of polyphenols, flavonoids, and the diterpenoid erinacine A. It is highlighted that there is a very good mutual connection between the concentration of polyphenols and flavonoids in the extracts studied and the diterpenoid erinacine A. Also, this study describes an efficient and qualitative extraction method for extracting natural antioxidants from the H. erinaceus mushroom, since toxic solvents were not used in the developed extraction procedure. This biomass can be used both as a food source and as a possible phytotherapeutic tool in the prevention or treatment of various neurodegenerative disorders that require drugs with strong antioxidant activity.

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Hachani, Soumaya, Sarah Boukhalkhal, Ziyad Ben Ahmed, Mohamed Harrat, Artur M. S. Silva, and Mohamed Yousfi. "Exploiting Response Surface Methodology (RSM) as a Novel Approach for the Optimization of Phenolic and Antioxidant Activity of Date Palm Fruit." Chemistry & Chemical Technology 14, no. 4 (December 15, 2020): 572–82. http://dx.doi.org/10.23939/chcht14.04.572.

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The Box-Behnken design was used to investigate the effect of three independent variables – time, temperature and solvent-to-solid ratio on the responses of total phenolics, total flavonoids, 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activity and cupric ion reducing antioxidant capacity (CUPRAC) of date fruit methanolic extracts. Response surface analysis showed that the optimal ultrasound extraction parameters that maximized the responses were 30 min, 298 K and 74.4 ml/g. Under optimum conditions, UHPLC-DAD-MS/MS was used to tentatively characterize 11 phenolic compounds. The experimental values for the quantification of phenolic compounds and antioxidant activities are in accordance with the predicted values, indicating the suitability of the model and the success of response surface methodology in optimizing the ultrasound extraction conditions.

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Liu, Ke, Ching Y. Suen, M. Cheriet, Joseph N. Said, Christine Nadal, and Yuan Y. Tang. "Automatic Extraction of Baselines and Data From Check Images." International Journal of Pattern Recognition and Artificial Intelligence 11, no. 04 (June 1997): 675–97. http://dx.doi.org/10.1142/s0218001497000299.

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A novel approach to extract data from check images is proposed based on the determination of baselines of checks, a priori information about the positions of data on checks, and a layout-driven item extraction method. Several techniques and algorithms have been developed in this approach including check image preprocessing, the extraction and identification of baselines, the extraction of the strokes of handwritten legal amounts, courtesy amounts and date, and the separation of strokes connected to baselines. A complete working system has been developed. The results of both testing experiments and on-line applications show that this approach is effective and the proposed techniques and algorithms perform well.

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Ren, Yongfeng, Yongtao Yu, and Haiyan Guan. "DA-CapsUNet: A Dual-Attention Capsule U-Net for Road Extraction from Remote Sensing Imagery." Remote Sensing 12, no. 18 (September 4, 2020): 2866. http://dx.doi.org/10.3390/rs12182866.

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The up-to-date and information-accurate road database plays a significant role in many applications. Recently, with the improvement in image resolutions and quality, remote sensing images have provided an important data source for road extraction tasks. However, due to the topology variations, spectral diversities, and complex scenarios, it is still challenging to realize fully automated and highly accurate road extractions from remote sensing images. This paper proposes a novel dual-attention capsule U-Net (DA-CapsUNet) for road region extraction by combining the advantageous properties of capsule representations and the powerful features of attention mechanisms. By constructing a capsule U-Net architecture, the DA-CapsUNet can extract and fuse multiscale capsule features to recover a high-resolution and semantically strong feature representation. By designing the multiscale context-augmentation and two types of feature attention modules, the DA-CapsUNet can exploit multiscale contextual properties at a high-resolution perspective and generate an informative and class-specific feature encoding. Quantitative evaluations on a large dataset showed that the DA-CapsUNet provides a competitive road extraction performance with a precision of 0.9523, a recall of 0.9486, and an F-score of 0.9504, respectively. Comparative studies with eight recently developed deep learning methods also confirmed the applicability and superiority or compatibility of the DA-CapsUNet in road extraction tasks.

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Guerrini, Mari, Barbato, and Granchi. "Extra Virgin Olive Oil Quality as Affected by Yeast Species Occurring in the Extraction Process." Foods 8, no. 10 (October 7, 2019): 457. http://dx.doi.org/10.3390/foods8100457.

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In extra virgin olive oil (EVOO) extraction process, the occurrence of yeasts that could affect the quality of olive oil was demonstrated. Therefore, in this work, at first, the yeasts occurring during different extractive processes carried out in a Tuscany oil mill, at the beginning, in the middle, and the end of the harvesting in the same crop season, were quantified. Then, possible effects on quality of EVOO caused by the predominant yeast species, possessing specific enzymatic activities, were evaluated. Yeast concentrations were higher in extraction processes at the end of the harvesting. Twelve yeast species showing different isolation frequencies during olive oil extractive process and according to the harvesting date were identified by molecular methods. The yeast species dominating olive oil samples from decanter displayed enzymatic activities, potentially affecting EVOO quality according to zymogram analysis. HS-SPME-GC-MS analysis of the volatile compounds in commercial EVOO, inoculated with three yeast species (Nakazawaea molendini-olei, Nakazawaea wickerhamii, Yamadazyma terventina), pointed out significant differences depending on the strain inoculated. In conclusion, during the olive oil extractive processes, some yeast species colonize the extraction plant and may influence the chemical and sensory characteristics of EVOO depending on the cell concentrations and their enzymatic capabilities.

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Tena, Noelia, and Agustin G. Asuero. "Up-To-Date Analysis of the Extraction Methods for Anthocyanins: Principles of the Techniques, Optimization, Technical Progress, and Industrial Application." Antioxidants 11, no. 2 (January 30, 2022): 286. http://dx.doi.org/10.3390/antiox11020286.

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Nowadays, food industries are concerned about satisfying legal requirements related to waste policy and environmental protection. In addition, they take steps to ensure food safety and quality products that have high nutritional properties. Anthocyanins are considered high added-value compounds due to their sensory qualities, colors, and nutritional properties; they are considered bioactive ingredients. They are found in high concentrations in many by-products across the food industry. Thus, the non-conventional extraction techniques presented here are useful in satisfying the current food industry requirements. However, selecting more convenient extraction techniques is not easy. Multiple factors are implicated in the decision. In this review, we compile the most recent applications (since 2015) used to extract anthocyanins from different natural matrices, via conventional and non-conventional extraction techniques. We analyze the main advantages and disadvantages of anthocyanin extraction techniques from different natural matrices and discuss the selection criteria for sustainability of the processes. We present an up-to-date analysis of the principles of the techniques and an optimization of the extraction conditions, technical progress, and industrial applications. Finally, we provide a critical comparison between these techniques and some recommendations, to select and optimize the techniques for industrial applications.

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Nazirah Hamzah, Nurfatin, Sahena Ferdosh, Md Zaidul Islam Sarker, Kashif Ghafoor, Kamaruzzaman Yunus, Ahmed Jalal Khan Chowdhury, and Nurul Ashikin Abdul Bari. "Biological Activities and Extraction Technologies of Pheonix dactylifera: A Review." Natural Products Journal 9, no. 1 (February 14, 2019): 3–13. http://dx.doi.org/10.2174/2210315508666180327152800.

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Date palm (Pheonix dactylifera L.) has long been known for its medical benefits. In this review, the therapeutic properties of P. dactylifera are presented in light of the analysis of huge past reviews that reported the bioactivities of both flesh and seed of this fruit. The reported bioactivities of P. dactylifera included antioxidants, anti-cancer, aphrodisiac, antimicrobial, and anti-diabetic properties. This review additionally highlights the extraction technologies (Soxhlet, maceration, heat under reflux, Supercritical Fluid Extraction (SFE) and microwave assisted extraction) that were utilized as part of the extraction of P. dactylifera. This is because the quality and amount of the extraction yield depend on the extraction technology used. Accordingly, this review aims for underlining the potentials of P. dactylifera by compiling available data on the bioactivities and extraction technologies used to set the directions for the improvement of future research of this fruit.

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Hayashi, Yoichi, and Naoki Takano. "One-Dimensional Convolutional Neural Networks with Feature Selection for Highly Concise Rule Extraction from Credit Scoring Datasets with Heterogeneous Attributes." Electronics 9, no. 8 (August 16, 2020): 1318. http://dx.doi.org/10.3390/electronics9081318.

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Convolution neural networks (CNNs) have proven effectiveness, but they are not applicable to all datasets, such as those with heterogeneous attributes, which are often used in the finance and banking industries. Such datasets are difficult to classify, and to date, existing high-accuracy classifiers and rule-extraction methods have not been able to achieve sufficiently high classification accuracies or concise classification rules. This study aims to provide a new approach for achieving transparency and conciseness in credit scoring datasets with heterogeneous attributes by using a one-dimensional (1D) fully-connected layer first CNN combined with the Recursive-Rule Extraction (Re-RX) algorithm with a J48graft decision tree (hereafter 1D FCLF-CNN). Based on a comparison between the proposed 1D FCLF-CNN and existing rule extraction methods, our architecture enabled the extraction of the most concise rules (6.2) and achieved the best accuracy (73.10%), i.e., the highest interpretability–priority rule extraction. These results suggest that the 1D FCLF-CNN with Re-RX with J48graft is very effective for extracting highly concise rules for heterogeneous credit scoring datasets. Although it does not completely overcome the accuracy–interpretability dilemma for deep learning, it does appear to resolve this issue for credit scoring datasets with heterogeneous attributes, and thus, could lead to a new era in the financial industry.

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Schneider, Patricia Pigato, Ki Beom Kim, André da Costa Monini, Ary dos Santos-Pinto, and Luiz Gonzaga Gandini. "Which one closes extraction spaces faster: en masse retraction or two-step retraction? A randomized prospective clinical trial." Angle Orthodontist 89, no. 6 (July 1, 2019): 855–61. http://dx.doi.org/10.2319/101618-748.1.

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ABSTRACT Objectives: To compare the time to close extraction spaces between en masse (ER) and two-step retraction (TSR). Materials and Methods: Forty-eight patients with bimaxillary protrusion underwent treatment with extraction of four first premolars. All patients were randomly allocated to one of two groups: ER (n = 24) or TSR (n = 24). The main outcome was the time required to close spaces between ER and TSR; the closing time of spaces between females and males was a secondary outcome. The size of premolars was measured on the models and data were collected on clinical records at the following times: retraction start date (T1) and space closure completion date (T2). The total time to close the extraction spaces was calculated for each extracted premolar (T1 to T2). The Kaplan Meier method and the Log-Rank test were used to compare the groups. Results: The time to close extraction spaces showed significant differences between the ER and TSR groups. While ER took between 12.1 and 13.8 months, TSR took between 24.7 and 26.8 months. The TSR group showed a significant difference between sexes; male patients took 5.5 months longer than female patients for the extraction spaces to close. Conclusions: TSR takes between 1.8 and 2.2 times longer than ER to close the extraction spaces and it took longer in males than females.

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Makris, Dimitris P. "Editorial “High-Performance Green Extraction of Natural Products”." Applied Sciences 10, no. 21 (October 30, 2020): 7672. http://dx.doi.org/10.3390/app10217672.

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There has been, to-date, a large number of studies pertaining to the exploitation of plant resources (herbs, botanicals, processing by-products) for the production of extracts enriched with bioactive substances [...]

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Kamil, Mohammed, Khalid Ramadan, Abdul Ghani Olabi, Chaouki Ghenai, Abrar Inayat, and Mugdad H. Rajab. "Desert Palm Date Seeds as a Biodiesel Feedstock: Extraction, Characterization, and Engine Testing." Energies 12, no. 16 (August 16, 2019): 3147. http://dx.doi.org/10.3390/en12163147.

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The development of alternative fuels is increasingly important in order to maintain ongoing global economic and technological progress in the face of fossil fuel depletion and increasing environmental damage. Desert palm date seeds have clear potential as feedstock for biodiesel production given their high oil content and availability as food waste that requires no further cultivation. In this study we investigated the optimum production processes and conditions for date seed oil biodiesel, including characterizing the intermediate product and correcting its composition to meet international fuel standards. Four biodiesel blends were prepared (B5, B10, B15, and B20) and tested in a compression ignition engine at engine speeds from 1600 to 3600 rpm (200 rpm increments) and three engine loads (50%, 75%, and 100%). The highest oil yield and biodiesel conversion achieved were 10.74 wt.% and 92%, respectively. The biodiesel properties conformed well with the standards; the values for brake power, brake thermal efficiency, and brake specific fuel consumption were comparable with petrol diesel, though the latter was slightly superior. All blends produced lower levels of CO2, CO, and HC but higher levels of NOx emissions. These results demonstrate the fundamental suitability of date seeds as biodiesel feedstock, deserving of further research.

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Colombo, Raffaella, Lucia Ferron, and Adele Papetti. "Colored Corn: An Up-Date on Metabolites Extraction, Health Implication, and Potential Use." Molecules 26, no. 1 (January 2, 2021): 199. http://dx.doi.org/10.3390/molecules26010199.

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Colored (orange, pink, red, purple, and blue) corn strongly attracted attention on its healthy properties mainly due to its anthocyanin and carotenoid composition which is also responsible for its pigmentation. The present review summarized the recent updates on the extraction and chemical characterization of the main plant secondary metabolites present in colored seeds, kernel, cob, husk, and silk. The main approaches used to stabilize the extracts have been discussed as well as their food and non-food uses. Both in vitro and in vivo (animal models) studies on the different effects (antibacterial, antimutagenic, antioxidant, and anti-inflammatory activities, effects on metabolic syndrome, diabetes, glucose and lipidic metabolism, and neuroprotection) of pigmented extracts on animal and human health have been summarized.

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Sirry, Shadia M., Fatemah Aldakhil, Omar M. L. Alharbi, and Imran Ali. "Chemically treated date stones for uranium (VI) uptake and extraction in aqueous solutions." Journal of Molecular Liquids 273 (January 2019): 192–202. http://dx.doi.org/10.1016/j.molliq.2018.10.018.

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Benchabane, A., A. Boutali, and F. Kechida. "EXTRACTION, FRACTIONATION AND CHARACTERIZATION OF THE FIBERS OF SOME DATE CULTIVARS OF ALGERIA." Acta Horticulturae, no. 994 (June 2013): 223–29. http://dx.doi.org/10.17660/actahortic.2013.994.21.

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Liu, Yong, Shoulian Wei, Min Wu, and Shuqiu Yang. "Phenolic compounds from date pits: ultrasonic-assisted extraction, antioxidant activity and component identification." Journal of Food Measurement and Characterization 12, no. 2 (December 27, 2017): 967–73. http://dx.doi.org/10.1007/s11694-017-9711-2.

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Li, Bing, Maham Akram, Sulaiman Al-Zuhair, Emad Elnajjar, and Muhammad Tajammal Munir. "Subcritical water extraction of phenolics, antioxidants and dietary fibres from waste date pits." Journal of Environmental Chemical Engineering 8, no. 6 (December 2020): 104490. http://dx.doi.org/10.1016/j.jece.2020.104490.

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