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Thematische Bibliographien / TldD / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „TldD“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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1

Allali, Noureddine, Hassan Afif, Martine Couturier, and Laurence Van Melderen. "The Highly Conserved TldD and TldE Proteins of Escherichia coli Are Involved in Microcin B17 Processing and in CcdA Degradation." Journal of Bacteriology 184, no. 12 (2002): 3224–31. http://dx.doi.org/10.1128/jb.184.12.3224-3231.2002.

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ABSTRACT Microcin B17 (MccB17) is a peptide antibiotic produced by Escherichia coli strains carrying the pMccB17 plasmid. MccB17 is synthesized as a precursor containing an amino-terminal leader peptide that is cleaved during maturation. Maturation requires the product of the chromosomal tldE (pmbA) gene. Mature microcin is exported across the cytoplasmic membrane by a dedicated ABC transporter. In sensitive cells, MccB17 targets the essential topoisomerase II DNA gyrase. Independently, tldE as well as tldD mutants were isolated as being resistant to CcdB, another natural poison of gyrase enco

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Chung, Kwang Hyun, Young Sook Park, Sang Bong Ahn, and Byoung Kwan Son. "Radiation protection effect of mobile shield barrier for the medical personnel during endoscopic retrograde cholangiopancreatography: a quasi-experimental prospective study." BMJ Open 9, no. 3 (2019): e027729. http://dx.doi.org/10.1136/bmjopen-2018-027729.

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ObjectiveTo investigate the effectiveness of radiation protection offered by a newly designed mobile shield barrier for medical personnel during endoscopic retrograde cholangiopancreatography (ERCP).DesignQuasi-experimental prospective study.SettingERCP procedures conducted between October 2016 and June 2017 at a single secondary referral hospital that performs approximately 250 therapeutic ERCP procedures annually.InterventionsThe mobile shield barrier was a custom-made 2 mm Pb shielding plate (width: 120 cm, height: 190 cm) with a 0.5 mm Pb window (width: 115 cm, height: 60 cm) on its upper

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Zhang, Xin, Zhengqun Li, Yanxiang Zhao, et al. "Crystal Structure of a Putative Modulator of Gyrase (TldE) from Thermococcus kodakarensis." Crystals 9, no. 2 (2019): 107. http://dx.doi.org/10.3390/cryst9020107.

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TldD and TldE proteins interact and form a complex to degrade unfolded peptides. The gene Tk0499 from Thermococcus kodakarensis encoded a putative modulator of gyrase (TkTldE). Although TldE genes were common in bacteria and archaea, the structural basis on the evolution of proteins remained largely unknown. Here, the three-dimensional structure of TkTldE was determined by X-ray diffraction. Crystals were acquired by the sitting-drop vapor-diffusion method. X-ray diffraction data from crystals were collected at 2.35 Å. The space group and unit-cell parameters suggested that there were two mole

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Hu, Yongmei, Nan Peng, Wenyuan Han, et al. "An archaeal protein evolutionarily conserved in prokaryotes is a zinc-dependent metalloprotease." Bioscience Reports 32, no. 6 (2012): 609–18. http://dx.doi.org/10.1042/bsr20120074.

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A putative protease gene (tldD) was previously identified from studying tolerance of letD encoding the CcdB toxin of a toxin–antidote system of the F plasmid in Escherichia coli. While this gene is evolutionarily conserved in archaea and bacteria, the proteolytic activity of encoded proteins remained to be demonstrated experimentally. Here we studied Sso0660, an archaeal TldD homologue encoded in Sulfolobus solfataricus by overexpression of the recombinant protein and characterization of the purified enzyme. We found that the enzyme is active in degrading azocasein and FITC–BSA substrates. Pro

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AHARON, D. C., J. HEUKELS, and R. F. BUNTSMA. "Orthomanual therapy as treatment for suspected thoracolumbar disc disease in dogs ABSTRACT." Journal of the Hellenic Veterinary Medical Society 66, no. 1 (2017): 31. http://dx.doi.org/10.12681/jhvms.15581.

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According to the principles of veterinary orthomanual medicine, vertebral misalignments are associated with intervertebral disc disease in dogs. Manual correction of these vertebral misalignments are presumed to contribute to successful recovery. The objective of this retrospective study was to evaluate the effects of veterinary orthomanual therapy (VOT) in 261 dachshunds with suspected thoracolumbar intervertebral disc disease (TLDD). Effect of treatment was assessed using a retrogradeneurological status classification. From one clinic’s 2003-2008 medical records, 261 dachshunds with suspecte

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Ghilarov, Dmitry, Marina Serebryakova, Clare E. M. Stevenson, et al. "The Origins of Specificity in the Microcin-Processing Protease TldD/E." Structure 25, no. 10 (2017): 1549–61. http://dx.doi.org/10.1016/j.str.2017.08.006.

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7

Hölscher, Tina, and Helmut Görisch. "Knockout and Overexpression of Pyrroloquinoline Quinone Biosynthetic Genes in Gluconobacter oxydans 621H." Journal of Bacteriology 188, no. 21 (2006): 7668–76. http://dx.doi.org/10.1128/jb.01009-06.

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ABSTRACT In Gluconobacter oxydans, pyrroloquinoline quinone (PQQ) serves as the cofactor for various membrane-bound dehydrogenases that oxidize sugars and alcohols in the periplasm. Proteins for the biosynthesis of PQQ are encoded by the pqqABCDE gene cluster. Our reverse transcription-PCR and promoter analysis data indicated that the pqqA promoter represents the only promoter within the pqqABCDE cluster of G. oxydans 621H. PQQ overproduction in G. oxydans was achieved by transformation with the plasmid-carried pqqA gene or the complete pqqABCDE cluster. A G. oxydans mutant unable to produce P

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Xiao, Congzhen, Zhenhong Wu, Kai Chen, Yi Tang, and Yalin Yan. "Development of a Water Supplement System for a Tuned Liquid Damper under Excitation." Buildings 13, no. 5 (2023): 1115. http://dx.doi.org/10.3390/buildings13051115.

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Integrating existing liquid storage and supply tanks in buildings with tuned liquid dampers (TLDs) are significant for reducing the effective cost of TLDs. However, existing water supplement devices for fire-suppression liquid tanks may overfill with water, which leads to TLD mistuning. To overcome this problem, a passive liquid control system named TLD with a stable replenishment sub-tank system (TLD-SRS) is proposed. The system, which consists of an additional sub-tank connected to the main tank and a floating ball, replenishes liquid in the TLD automatically. The system can avoid vibration

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Vobruba, Simon, Zdenek Kamenik, Stanislav Kadlcik, and Jiri Janata. "N-Deacetylation in Lincosamide Biosynthesis Is Catalyzed by a TldD/PmbA Family Protein." ACS Chemical Biology 15, no. 8 (2020): 2048–54. http://dx.doi.org/10.1021/acschembio.0c00224.

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10

Kebeli, Yunus Emre, Ersin Aydın, Baki Öztürk, and Hüseyin Çetin. "Experimental Comparison of the Performance of Shear Frame with TLD and TLCD Under Harmonic Ground Motion." Buildings 14, no. 12 (2024): 3843. https://doi.org/10.3390/buildings14123843.

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Today, various systems are used to reduce vibrations in civil engineering structures. Among these systems, tuned liquid dampers are the preferred passive systems due to their ability to be designed in different geometries, their low cost, their ease of installation, and their low maintenance costs. This study examines the effectiveness of tuned liquid dampers (TLD) and tuned liquid column dampers (TLCD) under identical geometric conditions and harmonic ground motion to assess which is more efficient in controlling the behavior of a three-storey steel shear frame model equipped with these syste

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Semengue, Ezechiel Ngoufack Jagni, Joseph Fokam, Naomi-Karell Etame, et al. "Dolutegravir-Based Regimen Ensures High Virological Success despite Prior Exposure to Efavirenz-Based First-LINE ART in Cameroon: An Evidence of a Successful Transition Model." Viruses 15, no. 1 (2022): 18. http://dx.doi.org/10.3390/v15010018.

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To ensure optimal prescribing practices in the dolutegravir-era in Cameroon, we compared first-line virological response (VR) under tenofovir + lamivudine + dolutegravir (TLD) according to prior exposure to tenofovir + lamivudine + efavirenz (TLE). A facility-based survey was conducted among patients initiating antiretroviral therapy (ART) with TLD (I-TLD) versus those transitioning from TLE to TLD (T-TLD). HIV viral load was performed and unsuppressed participants (VL > 1000 copies/mL) had genotyping performed by Sanger sequencing. Of the 12,093 patients followed, 310 (mean-age: 41 ± 11 ye

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Vorland, Colby, Michelle Bohan Brown, Michelle Cardel, and Andrew Brown. "Traffic Light Diets Per Se Have Limited Evidence for Effectiveness on Childhood Obesity: A Review." Current Developments in Nutrition 4, Supplement_2 (2020): 1697. http://dx.doi.org/10.1093/cdn/nzaa063_095.

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Abstract Objectives The “traffic light diet” (TLD; or “stop light diet” among other names) categorizes foods into ‘green’, ‘yellow’, or ‘red’ groups to consume without restriction, in moderation, or minimally, respectively. It is often a component of childhood interventions targeting weight-related outcomes. The Academy of Nutrition and Dietetics Evidence Analysis Library assigned TLDs Grade I evidence in 2006 for pediatric weight management, but none of the studies reviewed tested the TLD in isolation. We conducted a review of the effect of TLDs on obesity-related outcomes in children and def

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Al-Shehri, S., N. Shubayr, A. Alghamdi, et al. "Effects of high ambient temperature on the accuracy of thermoluminescent dosimeters for environmental monitoring." Radioprotection 57, no. 3 (2022): 257–61. http://dx.doi.org/10.1051/radiopro/2022018.

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Thermoluminescence dosimeters (TLDs) are widely used for both personal and environmental dosimetry. TLDs should have high accuracy under different conditions. The TL signal can drop over time because of fading (loss of signal due to thermally induced recombination of trapped charriers), thus leading to underestimation of the irradiation dose. The Saudi climate is extremely hot for most of the year, which could significantly affect TLD measurements. Therefore, the effect of ambient temperature, storage time and irradiation dose were investigated both in laboratory controlled-temperature conditi

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Ashasi Sorkhabi, Ali, Barry Qiu, and Oya Mercan. "Investigating Large-Scale Tuned Liquid Dampers through Real-Time Hybrid Simulations." Buildings 14, no. 7 (2024): 2017. http://dx.doi.org/10.3390/buildings14072017.

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As buildings become taller and slenderer, managing their vibrational response and mitigating it pose significant challenges in design. Tuned liquid dampers (TLDs) are liquid (usually water)-filled tanks that can mitigate structural vibrations by leveraging the sloshing motion of the contained fluid. However, the dynamic behavior of TLDs and their interaction with structures is complex. While most research on TLDs has focused on mitigating wind-induced vibrations, less attention has been paid to their seismic control of structural responses. Moreover, existing literature on the experimental res

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Rahman, M. Obaidur, Md Ashraful Hoque, Md Shakilur Rahman, and Afia Begum. "Responses of LiF Thermoluminescence Dosimeters to Diagnostic 60Co Teletherapy Beams." Bangladesh Journal of Medical Physics 8, no. 1 (2017): 14–21. http://dx.doi.org/10.3329/bjmp.v8i1.33930.

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Thermoluminescence Dosimeter (TLD) is used as an ionizing radiation detector in the field of clinical radiotherapy, diagnostic radiology, personal radiation monitoring as well as in environmental radiation dosimetry. The sensitivity of all the TLDs is not the same even though the manufacturer produced them in the same batch. The response of TLD at various doses is also not always linear. In the present study fifty-seven rod shaped LiF TLDs had been irradiated by doses of 50cGy, 100cGy, 150cGy and 200cGy using 60Co teletherapy unit of Dhaka Medical College (Alcyon II, CGR, McV, France). The TLD

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Yeh, Po-Hung, Shao-Hua Chung, and Bang-Fuh Chen. "Multiple TLDs on Motion Reduction Control of the Offshore Wind Turbines." Journal of Marine Science and Engineering 8, no. 6 (2020): 470. http://dx.doi.org/10.3390/jmse8060470.

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This study explores the damping effects of tuned liquid dampers (TLDs) on a monopile offshore wind turbine (OWT). The fluid–solid coupling of ANSYS was used to simulate the damping effect of a TLD on the structures. The environmental conditions refer to the IEC-61400-3 and the Design Load Case (DLC) 1.2 for the annual average environmental conditions and DLC 6.2 for the 50-year regression period, and the extreme environmental conditions were used in the study. The turbulent wind field simulation was performed by TurbSim, and the load of wind waves on structures was generated by FAST, which wer

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Marulli, Giancarlo, and Carlos Moutinho. "Experimental Testing on Tuned Liquid Dampers for Implementation in Industrial Chimneys." Sensors 24, no. 9 (2024): 2800. http://dx.doi.org/10.3390/s24092800.

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A TLD is a passive damping device that works by dissipating energy through the sloshing of the liquid and the effect of wave breaking, thereby controlling the vibrations of the structure. One of the applications where TLDs are of great interest is in the case of industrial chimneys since these structures often have a very low natural frequency, which can be easily achieved in a control device of this type. The main objective of this study is to evaluate the behaviour of an annular TLD composed of multiple cells through laboratory tests and investigate if it is adequate to design it as an agglo

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Altawil, Jumana. "[0,1] truncated lomax – lomax distribution with properties." Journal of Kufa for Mathematics and Computer 8, no. 1 (2021): 1–8. http://dx.doi.org/10.31642/jokmc/2018/080101.

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We shall introduce a new continuous distribution dependent on [0,1] truncated lomax ([0,1] TLD) distribution , we will call it [0,1] truncated lomax – lomax ([0,1]TLD) distribution. The some properties of the ( [0,1]TLLD ) distribution will be derive , and also, the ([0,1]TLLD) stress-strength model with different parameters will be obtain. The purpose of this work is to develop a new composite distribution that is more flexible than other distributions..

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Tsibulskaya, Darya, Olga Mokina, Alexey Kulikovsky, et al. "The Product of Yersinia pseudotuberculosis mcc Operon Is a Peptide-Cytidine Antibiotic Activated Inside Producing Cells by the TldD/E Protease." Journal of the American Chemical Society 139, no. 45 (2017): 16178–87. http://dx.doi.org/10.1021/jacs.7b07118.

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20

Chattaraj, Arghya, Subhalaxmi Mishra, and T. Palani Selvam. "Monte Carlo-based Investigation of Absorbed-dose Energy Dependence of Thermoluminescent Dosimeters in Therapeutic Proton and Carbon Ion Beams." Journal of Medical Physics 49, no. 2 (2024): 148–54. http://dx.doi.org/10.4103/jmp.jmp_25_24.

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Background: The present study is aimed at calculating relative absorbed-dose energy response correction (R) of commonly used thermoluminescent dosimeters (TLDs) such as LiF, Li2B4O7, and Al2O3 as a function of depth in water for protons (50–250 MeV/n) and carbon ion (80–480 MeV/n) beams using Monte Carlo-based FLUKA code. Materials and Methods: On-axis depth-dose profiles in water are calculated for protons (50–250 MeV/n) and carbon ion (80–480 MeV/n) beams using FLUKA code. For the calculation of R, selective depths are chosen based on the depth-dose profiles. In the simulations, the TLDs of

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Lehmann, Felix, Matthias Schneider, Joshua D. Bernstock, et al. "Treatment-Limiting Decisions in Patients with Spontaneous Intracerebral Hemorrhage." Medicina 58, no. 8 (2022): 989. http://dx.doi.org/10.3390/medicina58080989.

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Background and Objectives: Treatment-limiting decisions (TLDs) are employed to actively withhold treatment/invasive interventions from patients in whom clinicians feel they would derive little to no benefit and/or suffer detrimental effects. Data regarding the employment of TLDs in patients with spontaneous intracerebral hemorrhage (ICH) remain sparse. Accordingly, this study sought to investigate both the prevalence of TLDs and factors driving TLDs in patients suffering from spontaneous ICH. Materials and Methods: This was a retrospective study of 249 consecutive patients with ICH treated fro

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Reiterer, Michael, and Janez Schellander. "A Novel Single Tube Semi-Active Tuned Liquid Gas Damper for Suppressing Horizontal Vibrations of Tower-like Structures." Applied Sciences 12, no. 7 (2022): 3301. http://dx.doi.org/10.3390/app12073301.

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The purpose of this paper is to present a novel single tube semi-active tuned liquid gas damper (SA-TLGD) for suppressing horizontal vibrations of tower-like structures and to study its damping effectiveness. The main difference to the well-known state-of-the-art tuned liquid column damper (TLCD) is the special geometric shape of the developed SA-TLGD. Contrary to the TLCD, the presented SA-TLGD only consists of a single horizontal tube that is partially filled with water. A large deformable elastic membrane with neglectable stiffness is used as the interface between the liquid and the air. Bo

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Herrati, Ammar, Mourad Bourouina, and Karima Khalal-Kouache. "Investigation of TLD-700 energy response to low energy x-ray encountered in diagnostic radiology." Open Physics 14, no. 1 (2016): 150–58. http://dx.doi.org/10.1515/phys-2016-0016.

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AbstractThe aim of thiswork is to study the energy dependence of thermoluminescent dosimeter (TLD-700) for low energy X-ray beams encountered in conventional diagnostic radiology. In the first step, we studied some characteristics (reproducibility and linearity) of TLD-700 chips using a 137Cs source, and selected TLD chips with reproducibility better than 2.5%. Then we determined TLD-700 energy response for diagnostic radiology X-ray qualities, and investigated its influence on air kerma estimate. A maximum deviation of 60% can be obtained if TLDs are calibrated for 137Cs radiation source and

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Tuong, Bui Pham Duc, Phan Duc Huynh, Tan-Trung Bui, and Vasilis Sarhosis. "Numerical Analysis of the Dynamic Responses of Multistory Structures Equipped with Tuned Liquid Dampers Considering Fluid-Structure Interactions." Open Construction and Building Technology Journal 13, no. 1 (2019): 289–300. http://dx.doi.org/10.2174/1874836801913010289.

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Aims: The paper analyzes the effectiveness of tuned liquid damper in controlling the vibration of high rise building. The new contribution is considering the fluid-structure interaction of a water tank as a Tuned Liquid Dampers (TLD). Background: Currently, buildings are being built higher and higher, which requires TLDs to be larger as well. Therefore, the fluid pressure acting on the tank wall is more significant. In previous studies of liquid sloshing in TLDs, researchers simply ignored the effect of liquid pressure acting on the tank walls by making the assumption that the tanks are rigid.

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Wang, Zhe, Liang Cao, Filippo Ubertini, and Simon Laflamme. "Numerical Investigation and Design of Reinforced Concrete Shear Wall Equipped with Tuned Liquid Multiple Columns Dampers." Shock and Vibration 2021 (February 28, 2021): 1–19. http://dx.doi.org/10.1155/2021/6610811.

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The tuned liquid multiple column damper (TLMCD) is a variation of the tuned liquid column damper (TLCD) that includes multiple vertical columns. A new damping system that embeds TLMCDs within reinforced concrete shear wall systems, termed tuned liquid wall damper (TLWD), is proposed, augmenting the traditional structural component with energy dissipation capabilities. The objective of this study is to assess energy mitigation and strength trade-offs in designing TLWDs and demonstrating the promise of TLWD systems in tall buildings through vertically distributed applications. This is done by in

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Efenji, G. I., S. M. Iskandar, N. N. Yusof, et al. "Structural Properties of Thermoluminescence Dosimeter Materials, Preparation, Application, and Adaptability: A Systematic Review." Journal of Applied Sciences and Environmental Management 28, no. 4 (2024): 1129–50. http://dx.doi.org/10.4314/jasem.v28i4.13.

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Thermoluminescence dosimeters (TLDs) are widely used in radiation dosimetry due to their excellent properties, such as high sensitivity, small size, and ability to measure low doses of radiation. This review focuses on the structural properties of TLD materials, as well as their preparation, application, and adaptability. The review covers the various types of TLD materials, crystal structure, and properties, including energy response and fading characteristics. The different methods used to prepare TLD materials, such as solid-state synthesis, sol-gel synthesis, and solution growth methods, a

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Guberina, Nika, Saravanabavaan Suntharalingam, Kai Naßenstein, et al. "Verification of organ doses calculated by a dose monitoring software tool based on Monte Carlo Simulation in thoracic CT protocols." Acta Radiologica 59, no. 3 (2017): 322–26. http://dx.doi.org/10.1177/0284185117716199.

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Background The importance of monitoring of the radiation dose received by the human body during computed tomography (CT) examinations is not negligible. Several dose-monitoring software tools emerged in order to monitor and control dose distribution during CT examinations. Some software tools incorporate Monte Carlo Simulation (MCS) and allow calculation of effective dose and organ dose apart from standard dose descriptors. Purpose To verify the results of a dose-monitoring software tool based on MCS in assessment of effective and organ doses in thoracic CT protocols. Material and Methods Phan

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van der Zee, Esther N., Jelle L. Epker, Jan Bakker, Dominique D. Benoit, and Erwin J. O. Kompanje. "Treatment Limitation Decisions in Critically Ill Patients With a Malignancy on the Intensive Care Unit." Journal of Intensive Care Medicine 36, no. 1 (2020): 42–50. http://dx.doi.org/10.1177/0885066620948453.

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Background: Treatment limitation decisions (TLDs) on the ICU can be challenging, especially in patients with a malignancy. Up-to-date literature regarding TLDs in critically ill patients with a malignancy admitted to the ICU is scarce. The aim was to compare the incidence of written TLDs between patients with an active malignancy, patients with a malignancy in their medical history (complete remission, CR) and patients without a malignancy admitted unplanned to the ICU. Methods: We conducted a retrospective cohort study in a large university hospital in the Netherlands. We identified all unpla

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Akter, Yasmin, AKM Mizanur Rahman, Md Hossain Sahadath, et al. "Thermoluminescence Responses of TLD–100 Subject to Low Dose Irradiation." Dhaka University Journal of Applied Science and Engineering 6, no. 2 (2022): 59–63. http://dx.doi.org/10.3329/dujase.v6i2.59219.

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The increasing use of radiation especially low radiation in everyday life demands an evaluation of the performance of dosimeter in the respective environment. The present work is concerned with the investigation of the thermoluminescence (TL) response of TLD-100 in a low radiation dose environment. Ten Harshaw TLD-100s were collected from Health Physics Division, Atomic Energy Centre, Dhaka, Bangladesh and irradiated at different low dose radiation such as 46.82μGy, 93.82μGy, 140.73μGy, 187.54μGy and 234.1μGy with 90Sr/90Y Irradiator and readout by Harshaw 4500 TLD Manual Reader. Following the

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Hossain, Z., S. Purohit, N. Arobi, M. S. Rahman, and AKM M. H. Meaze. "Study of the Response and Calibration Procedures of LiF:Mg, Ti TLD-100 for the Dosimetry of Photon Beam." Bangladesh Journal of Physics 29, no. 2 (2025): 59–67. https://doi.org/10.3329/bjphy.v29i2.79346.

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To guarantee quality assurance and quality control of the received radiation dose and treatment level, Thermoluminescent Dosimeter (TLD) is frequently employed in personal control and monitoring equipment. TLDs are commonly used to ensure the precise delivery of radiation doses to patients in clinical radiotherapy, diagnostic radiology, personal radiation monitoring, and environmental radiation dosimetry. Even though the manufacturer made all the TLDs in the same batch, their sensitivity varies. This study aims to examine the TLD crystal calibration process, in particular, the crystal sensitiv

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Chun Eung, Hwi. "Observations and Comments on the Discussion of IDN TLDs in ICANN." Korean Journal of Policy Studies 24, no. 2 (2009): 133–36. http://dx.doi.org/10.52372/kjps24207.

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While the legitimacy and accountability of the Internet Corporation for Assigned Names and Numbers (ICANN) has been questioned from its inception, ICANN has also produced some policy outputs as byproducts. These include UDRP, generation of a few new TLDs, the framework of accountability between ICANN and ccTLDs, and other minor policies on domain name registration. For the last decade, ICANN has held tough discussions on some policy issues but has not reached consensus. New TLD policies are one of the most important such issues. IDN TLD is an interesting and also frustrating issue, particularl

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Raubenheimer, R., B. Spangenberg, G. Van Jaarsveld, et al. "Do dose area product meter measurements reflect radiation doses absorbed by health care workers?" South African Journal of Radiology 8, no. 2 (2004): 24. http://dx.doi.org/10.4102/sajr.v8i2.129.

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This study determined the correlation between radiation doses absorbed by health care workers and dose area product meter (DAP) measurements at Universitas Hospital, Bloemfontein. The DAP is an instrument which accurately measures the radiation emitted from the source. The study included the interventional radiologists, radiographers and nurses associated with radiological intervention procedures during the period 1 August 2003 - 31 August 2003. The amount of radiation produced during every procedure was measured by a dose area product meter (DAP) and routinely recorded. The absorbed doses rec

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Holguín-Veras, José, and Ellen Thorson. "Trip Length Distributions in Commodity-Based and Trip-Based Freight Demand Modeling: Investigation of Relationships." Transportation Research Record: Journal of the Transportation Research Board 1707, no. 1 (2000): 37–48. http://dx.doi.org/10.3141/1707-05.

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Commodity-based and vehicle-trip-based freight demand modeling is discussed. The characteristics of the trip length distributions (TLDs) are examined, defined in terms of tons, as required in commodity-based modeling, and in vehicle trips, as required in trip-based modeling. With data used from a major transportation study in Guatemala, the TLDs are estimated for both tons and vehicle trips. The analysis revealed that ( a) the shape of the TLDs depends upon the type of movements being considered; ( b) TLDs defined in terms of tonnage differ significantly from those defined in terms of vehicle

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Kaloop, Mosbeh R., Jong Wan Hu, and Yasser Bigdeli. "The Performance of Structure-Controller Coupled Systems Analysis Using Probabilistic Evaluation and Identification Model Approach." Shock and Vibration 2017 (2017): 1–11. http://dx.doi.org/10.1155/2017/5482307.

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This study evaluates the performance of passively controlled steel frame building under dynamic loads using time series analysis. A novel application is utilized for the time and frequency domains evaluation to analyze the behavior of controlling systems. In addition, the autoregressive moving average (ARMA) neural networks are employed to identify the performance of the controller system. Three passive vibration control devices are utilized in this study, namely, tuned mass damper (TMD), tuned liquid damper (TLD), and tuned liquid column damper (TLCD). The results show that the TMD control sy

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Yuan, Zhan-Sheng, Chih-Cheng Chen, Yu-Ying Lie, and Cheng-Fu Yang. "Using phosphor to enhance the efficiency of commercial solar cells." Modern Physics Letters B 33, no. 14n15 (2019): 1940041. http://dx.doi.org/10.1142/s0217984919400414.

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The non-rare-earth phosphor Ca2ZnMoO6 has a luminescence of 375–655 nm and emits near-white light. This study investigated it as a down-shifting layer to improve the efficiency of commercial flexible solar cells. The first structure was a solar cell/thick-film Ca2ZnMoO6 phosphor layer (TLDU device); a controlled light source was shone on the top, and UV light was shone on the bottom. The second structure was a solar cell/thick-film Ca2ZnMoO6 phosphor layer with an Al reflective layer (TLDR device), and only a controlled light source was used. We compared the power output efficiencies of the tw

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Sobotka, Piotr, Bartłomiej Kliś, Zuzanna Baranowska, Katarzyna Wołoszczuk, Katarzyna Rutkowska, and Tomasz Woliński. "Efficient reading of thermoluminescent dosimeter signals using semiconductor detectors." Nukleonika 65, no. 4 (2020): 223–27. http://dx.doi.org/10.2478/nuka-2020-0034.

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AbstractThe aim of this experimental work was to examine whether semiconductor photodetectors may be applied for the efficient reading of thermoluminescent dosimeter (TLD) signals. For this purpose, a series of experiments have been performed at the Department of Physics, Warsaw University of Technology, in cooperation with the Central Laboratory for Radiological Protection (CLOR). Specifically, the measurement system proposed here has been designed to detect a signal from TLDs that use a semiconductor detector operating in conditions analogous to those met when using commercial devices equipp

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Patil, G. R., K. D. Singh, and B. Nanda. "Mitigating Structural Vibrations due to Earthquake with Application of Slope Bottom Tuned Liquid Dampers." Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, no. 1 (2022): 599–603. http://dx.doi.org/10.38208/acp.v1.554.

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Earthquakes are one of man’s most feared natural phenomena, producing almost instantaneous destruction of buildings and other constructed facilities. In order to mitigate damage of structures and save the life, various measures are adopted and use of structural control devices is one of them . Structural control devices can enhance the integrity of structures without increasing the dimensions of structural members. In this study, an attempt has been made to systematically investigate the performance of structural control device namely, tuned liquid damper (TLD) for controlling the dynamic resp

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Tang, Xiaoqi, Qinglin Yang, Zhouzhou Nan, Tao Wang, Yanhong Li, and Zhengli Wu. "The potential compensatory mechanism between pmbA and tldD governing the virulence of Aeromonas veronii and its implications on the immune response in freshwater bivalve (Hyriopsis cumingii)." Aquaculture 595 (January 2025): 741524. http://dx.doi.org/10.1016/j.aquaculture.2024.741524.

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Li, Hong-Nan, Ting-Hua Yi, Qin-Yang Jing, Lin-Sheng Huo, and Guo-Xin Wang. "Wind-Induced Vibration Control of Dalian International Trade Mansion by Tuned Liquid Dampers." Mathematical Problems in Engineering 2012 (2012): 1–21. http://dx.doi.org/10.1155/2012/848031.

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This paper focuses on the wind-induced vibration control of the Dalian international trade mansion (DITM) by using the tuned liquid dampers (TLDs). To avoid the intensive computationally demanding problem caused by tens of thousand of degrees of freedom (DOF) of the structure in the numerical analysis, the three-dimension finite element model of the DITM is first simplified to the equivalent series multi-DOF system. The wind loading is subsequently simulated by the Davenport model according to the structural environmental condition where the actual samples of wind speed are measured. Following

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You, Jang Youl, Ki Pyo You, and Young Moon Kim. "Evaluation on Aerodynamic Across-Wind Response for a Tall Building Using Tuned Liquid Column Damper." Advanced Materials Research 919-921 (April 2014): 1361–70. http://dx.doi.org/10.4028/www.scientific.net/amr.919-921.1361.

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Tuned liquid column damper (TLCD) is more advantageous in terms of space than TLD so that it is far more advantageous when it comes to installation on the actual building. To investigate the effectiveness of a tuned liquid column damper (TLCD) in mitigation wind-induced excitation motion of a tall building, aeroelastic experiments were conducted. A 1: 200 scaled model of an aeroelastic tall building was built, and TLCD models of mass ratio of 1.5% and 3%, respectively, were designed and tested with the aeroelastic model. As such, this study has installed TLCD with different lengths of horizont

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Ren, Hongmei, Qiaoqiao Fan, and Zheng Lu. "Experimental Study and Damping Effect Analysis of a New Tuned Liquid Damper Based on Karman Vortex Street Theory." Buildings 13, no. 4 (2023): 1013. http://dx.doi.org/10.3390/buildings13041013.

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In order to solve the shortcomings of traditional TLDs (tuned liquid dampers), such as their narrow frequency bands and their occupation of large amounts of space, based on deep-water theory, a new type of TLD incorporating Karmen vortex street theory is proposed and named as KV-TLD. A shaking table experimental test is conducted to fully analyze its vibration damping characteristics and its effectiveness in terms of vibration control is confirmed. Through comparison with a traditional TLD, the superiority of KV-TLD is verified. By analyzing parameters such as the mass ratio and the frequency

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Kapuciánová, Michaela, and Daniela Ekendahl. "POSTAL TLD AUDIT OF HETEROGENEITY CORRECTIONS IN RADIOTHERAPY IN THE CZECH REPUBLIC." Radiation Protection Dosimetry 186, no. 2-3 (2019): 373–76. http://dx.doi.org/10.1093/rpd/ncz234.

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Abstract In the Czech Republic, a more advanced version of postal audit in radiotherapy (RT) is available. It covers dose measurements with thermoluminescent dosemeters (TLD) in more complex conditions of irradiation, when dose distribution is affected by heterogeneities in the irradiated volume. Relative deviation between doses measured with TLDs and doses stated by RT centre should not exceed 3%. During 2015–2017, all Czech RT centres equipped with modern linear accelerators were subjected to this more advanced TLD audit. A total of 70% of participants complied with the limit of 3% in the fi

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Sun, Jie, Gong Yu Li, Lang Liu, and Qing Bo Liu. "The TLCD U-Tube Liquid Sloshing Finite Element Modal Analysis." Advanced Materials Research 694-697 (May 2013): 350–53. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.350.

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The paper studies the dynamic characteristics of liquid sloshing in TLD rectangular container, and verifies the feasibility of finite element numerical simulation, by the theory and finite element numerical simulation of liquid sloshing. Similarly employing the verified numerical simulation method, we get the sloshing frequency and mode of liquid sloshing in TLCD u-tube container.

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Villanueva, Andrew, and Braden Goddard. "LOSS OF TLD SIGNAL DUE TO HIGH TEMPERATURE ENVIRONMENTAL CONDITIONS." Radiation Protection Dosimetry 187, no. 1 (2019): 17–20. http://dx.doi.org/10.1093/rpd/ncz130.

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Abstract While it is known that temperatures above 100°C have an effect on the reported dose of a TLD, it is less widely known what the susceptibility is to temperatures below 100°C, temperatures humans could reasonably expect to be exposed to. With the expanding nuclear industry in climates with more extreme temperatures, (e.g. United Arab Emirates and Saudi Arabia) the effect on a TLD if left on a dashboard of a car need to be evaluated. This research experimentally determined the extent of this thermal susceptibility by testing a range of high temperatures, 40°C – 90°C. The experimental res

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Kaneko, S., and M. Ishikawa. "Modeling of Tuned Liquid Damper With Submerged Nets." Journal of Pressure Vessel Technology 121, no. 3 (1999): 334–43. http://dx.doi.org/10.1115/1.2883712.

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An analytical model for describing the effectiveness of tuned liquid damper (TLD) with submerged nets for suppressing horizontal vibration of structures is proposed. Dissipation energy due to the liquid motion under sinusoidal excitation is calculated based on nonlinear shallow water wave theory. In particular, the effects of hydraulic resistance produced by nets installed in a tank on the performance of TLDs are examined. The results of dissipation energy theoretically obtained are confirmed by experiments. To show the effectiveness of the proposed analytical model for TLD-structure interacti

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Gómez, Jessica, Mario J. Simirgiotis, Beatriz Lima, et al. "UHPLC–Q/Orbitrap/MS/MS Fingerprinting, Free Radical Scavenging, and Antimicrobial Activity of Tessaria absinthiodes (Hook. & Arn.) DC. (Asteraceae) Lyophilized Decoction from Argentina and Chile." Antioxidants 8, no. 12 (2019): 593. http://dx.doi.org/10.3390/antiox8120593.

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The decoction of Tessaria absinthioides is used in traditional medicine of South America as hypocholesterolemic, balsamic, and expectorant; but it is also useful for the prevention of hepatitis, renal insufficiency, and diabetes, and is used as digestive. A lyophilized decoction from the aerial parts of this plant (TLD) collected in San Juan (TLDSJ) and Mendoza (TLDM) provinces (Argentina) and one collection from Antofagasta, Chile (TLDCH) were characterized regarding antioxidant and antibacterial activities, phenolics and flavonoids content, and ultrahigh resolution liquid chromatography Orbi

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Nava-González, Rigoberto, Adrián Pozos-Estrada, Roberto Gómez-Martínez, and Oscar Pozos-Estrada. "Experimental Investigation to Evaluate the Dynamic Properties of a Scaled Rectangular Tuned Liquid Damper Using High-Speed Videos." Buildings 14, no. 2 (2024): 331. http://dx.doi.org/10.3390/buildings14020331.

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The use of tuned liquid dampers (TLDs) as an alternative to reduce the response of flexible structures with a low amount of structural damping is a viable option. The correct characterization of the dynamic properties of the TLD plays an important role in the performance of the TLD-main structure system. This work presents the results of an experimental study to evaluate the dynamic properties of a scaled rectangular TLD using high-speed videos. For the experimental investigation, a scaled rectangular TLD is subjected to lateral displacement of the sinusoidal type with amplitudes that range fr

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Radaideh, Khaldoon M., Laila M. Matalqah, A. A. Tajuddin, W. I. Fabian Lee, S. Bauk, and E. M. Eid Abdel Munem. "Development and evaluation of a Perspex anthropomorphic head and neck phantom for three dimensional conformal radiation therapy (3D-CRT)." Journal of Radiotherapy in Practice 12, no. 3 (2013): 272–80. http://dx.doi.org/10.1017/s1460396912000453.

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AbstractPurposesTo design, construct and evaluate an anthropomorphic head and neck phantom for the dosimetric evaluation of 3D-conformal radiotherapy (3D-CRT) dose planning and delivery, for protocols developed by the Radiation Therapy Oncology Group (RTOG).Materials and methodsAn anthropomorphic head and neck phantom was designed and fabricated using Perspex material with delineated planning target volumes (PTVs) and organs at risk (OARs) regions. The phantom was imaged, planned and irradiated conformally by a 3D-CRT plan. Dosimetry within the phantom was assessed using thermoluminescent dosi

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Perveen, Kauser, Ayesha Mohsin, Hira Nadeem, Syed Mishkat Ali, and Khalid Hussain. "A Radiation Levels Measurement at Workplace of Cyclotron-PET/CT Facilities (in Karachi) using TLD Dosimeters." Sir Syed University Research Journal of Engineering & Technology 13, no. 1 (2023): 35–41. http://dx.doi.org/10.33317/ssurj.385.

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Cyclotron is the most widely used proton particle accelerator for production of short lived radionuclides particularly F-18 for diagnostic purpose in oncology imaging. Currently, only Fluorine [F-18] is being produced in Pakistan. F-18 is tagged with glucose analogue and converted into [18F] FDG (Fluorodeoxyglucose) by synthesis process. [18F] FDG emits positron and, via annihilation process, produces two gamma photons of 511keV energy, which is of great concern for occupational safety. Therefore, a study was carried out to assess the dose incurred by radiation workers working in controlled an

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Harfiyyah, Vivin Fashihatil, Wahyu Setia Budi, Catur Edi Widodo, and Ero Wahjuningdyah. "AN ANALYSIS TO EFFECT OF DISTANCE AND FLUORO-TIME ON THE WORKER DOSE IN CARDIOVASCULAR INTERVENTION TREATMENTS." International Journal of Innovative Research in Advanced Engineering 7, no. 12 (2020): 411–15. http://dx.doi.org/10.26562/ijirae.2020.v0712.004.

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This study aims to analyze the effect of distance and fluoro time on increasing workers radiation dose inside Cath Lab room. Also to analyze the differences results of TLD and Pocket dosimeter in determining workers radiation dose. There are 254 data is needed for statistical analysis, 206 data for analyzing the relation of distance and Fluoro-time against dose, and 276 data from Pocket dosimeter plus 6 data from TLD measurements for analysing the differences of dose on Pocket dosimeters and TLDs. From statistical analysis showed that each exposure factor had no effect on worker dose, but simu

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