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21 Results Found

  • Article
  • Open Access
14 Citations
4,800 Views
13 Pages

2-Phosphonobutane-1,2,4,-Tricarboxylic Acid (PBTC): pH-Dependent Behavior Studied by Means of Multinuclear NMR Spectroscopy

  • Jerome Kretzschmar,
  • Anne Wollenberg,
  • Satoru Tsushima,
  • Katja Schmeide and
  • Margret Acker

24 June 2022

Although 2-phosphonobutane-1,2,4,-tricarboxylic acid, PBTC, has manifold industrial applications, relevant and reliable data on the protonation of PBTC are poor. However, these data are critical parameters for ascertaining PBTC speciation, especially...

(This article belongs to the Section Physical Chemistry)
  • Article
  • Open Access
45 Citations
10,882 Views
19 Pages

Behavior of PBTC, HEDP, and Aminophosphonates in the Process of Wastewater Treatment

  • Eduard Rott,
  • Oliver Happel,
  • Dominic Armbruster and
  • Ralf Minke

21 December 2019

Ten times at intervals of 1–2 months, individual treatment stages of two wastewater treatment plants (WWTPs) were analyzed for the five quantitatively most widely used phosphonates. The total dissolved concentration of the investigated phosphon...

(This article belongs to the Section Wastewater Treatment and Reuse)
  • Article
  • Open Access
3 Citations
2,699 Views
29 Pages

Uranyl(VI) Interaction with 2-Phosphonobutane-1,2,4-Tricarboxylic Acid (PBTC): A Spectroscopic and Computational Study over a Wide pH Range

  • Jerome Kretzschmar,
  • Anne Wollenberg,
  • Ion Chiorescu,
  • Sven Krüger and ,
  • Ronja Kraft,
  • Michael U. Kumke,
  • Satoru Tsushima,
  • Katja Schmeide and
  • Margret Acker
  • + 4 authors+ 0 author

21 October 2025

Organophosphonates have manifold applications in the chemical industry, of which one of the most commonly used is 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTC). It is widely used as a cement additive and may pose a potential risk of complexing ra...

(This article belongs to the Section Physical Chemistry)
  • Article
  • Open Access
6 Citations
4,636 Views
14 Pages

Impact of Tumor Location on Survival Outcomes in Pancreatic Head Versus Body/Tail Cancer: Institutional Experience

  • Abdullah Esmail,
  • Vikram Dhillon,
  • Ebtesam Al-Najjar,
  • Bayan Khasawneh and ,
  • Mohammed Alghamdi,
  • Fahad Ibnshamsah and
  • Maen Abdelrahim
  • + 2 authors+ 0 author

26 May 2025

Background: Pancreatic ductal adenocarcinoma (PDAC) exhibits variable survival outcomes based on tumor location, with pancreatic head cancer (PHC) and pancreatic body/tail cancer (PBTC) differing in prognosis and treatment response. This study invest...

(This article belongs to the Section Cancer Survivorship and Quality of Life)
  • Article
  • Open Access
29 Citations
6,365 Views
23 Pages

13 March 2020

Sediment, suspended matter (SM), and water of a large river (Neckar; River1) and a small river (Körsch; River2) were analyzed for the phosphonates 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTC), 1-hydroxyethylidene (1,1-diphosphonic acid) (HE...

(This article belongs to the Section Water Quality and Contamination)
  • Article
  • Open Access
29 Citations
12,160 Views
28 Pages

22 September 2020

Digital and scalable technologies are increasingly important for rapid and large-scale assessment and monitoring of land cover change. Until recently, little research has existed on how these technologies can be specifically applied to the monitoring...

(This article belongs to the Special Issue Forest Canopy Disturbance Detection Using Satellite Remote Sensing)
  • Article
  • Open Access
21 Citations
13,199 Views
23 Pages

22 September 2020

Although vegetation phenology thresholds have been developed for a wide range of mapping applications, their use for assessing the distribution of natural bamboo and the related carbon stocks is still limited, especially in Southeast Asia. Here, we u...

(This article belongs to the Special Issue Vegetation Phenology from Remote Sensing data: Monitoring, Mapping, and Modelling)
  • Article
  • Open Access
10 Citations
4,734 Views
11 Pages

Evaluating Focal Areas of Signal Intensity (FASI) in Children with Neurofibromatosis Type-1 (NF1) Treated with Selumetinib on Pediatric Brain Tumor Consortium (PBTC)-029B

  • Natasha Pillay-Smiley,
  • James Leach,
  • Adam Lane,
  • Trent Hummel and ,
  • Jason Fangusaro and
  • Peter de Blank
  • + 1 author+ 0 author

31 March 2023

Background: Understanding the effect of selumetinib on FASI may help elucidate the biology, proliferative potential, and role in neurocognitive changes for these NF1-associated lesions. Methods: Patients with NF1-associated LGG and FASI treated with...

(This article belongs to the Special Issue Frontiers in Neurofibromatosis)
  • Article
  • Open Access
13 Citations
4,759 Views
14 Pages

Comparison of Characteristics and Survival Rates of Resectable Pancreatic Ductal Adenocarcinoma according to Tumor Location

  • Min Kyu Sung,
  • Yejong Park,
  • Bong Jun Kwak,
  • Eunsung Jun and ,
  • Woohyung Lee,
  • Ki Byung Song,
  • Jae Hoon Lee,
  • Dae Wook Hwang and
  • Song Cheol Kim
  • + 4 authors+ 0 author

17 November 2021

The impact of tumor location on patient survival in pancreatic ductal adenocarcinoma (PDAC) remains controversial. This study investigated the association between primary tumor location and survival rates for resectable PDAC. Additionally, we assesse...

(This article belongs to the Special Issue Pancreatic Cancer: From Mechanisms to Therapeutic Approaches)
  • Article
  • Open Access
9 Citations
2,022 Views
15 Pages

Enhancement of Magnesium Oxysulfate Cement by Acid Modifiers and Its Reaction Mechanism

  • Zixuan Qiao,
  • Wenqiang Fan,
  • Yuting Zhang,
  • Xinyu Fu and ,
  • Hongjian Yang and
  • Fuqiang Zhang
  • + 1 author+ 0 author

24 March 2025

To address the challenges of low mechanical strength and poor water resistance in magnesium oxysulfate cement (MOSC), this study explores the incorporation of 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTC) and hydrolyzed polymaleic anhydride (HPMA...

(This article belongs to the Section Construction and Building Materials)
  • Article
  • Open Access
66 Citations
15,814 Views
30 Pages

26 June 2019

As more data and technologies become available, it is important that a simple method is developed for the assessment of land use changes because of the global need to understand the potential climate mitigation that could result from a reduction in d...

(This article belongs to the Section Forest Remote Sensing)
  • Article
  • Open Access
2,831 Views
18 Pages

Background/Objectives: Palbociclib, an oral CDK 4/6 inhibitor, was evaluated in a Pediatric Brain Tumor Consortium (PBTC) phase 1 (NCT02255461; PBTC-042) study to treat children and young adults with recurrent, progressive, or refractory brain tumors...

(This article belongs to the Special Issue Population Pharmacokinetics and Its Clinical Applications)
  • Article
  • Open Access
4 Citations
4,148 Views
22 Pages

Experimental Study of a Novel Prototype of Dual-Cycle Two-Phase Cooling System for a Data Cabinet

  • Hao Cheng,
  • Tongzhi Yang,
  • Yifan Zhao,
  • Leixin Wang and ,
  • Weixing Yuan and
  • Kexian Ren
  • + 1 author+ 0 author

23 February 2025

As Information Technology continues to rapidly evolve, the scale and energy consumption of data centers have seen a significant surge. Traditional air-cooling systems in data centers are notably energy intensive. This study proposes an innovative dua...

(This article belongs to the Special Issue Applied Thermodynamics)
  • Case Report
  • Open Access
3 Citations
2,843 Views
11 Pages

Intratumoral/Peritumoral Herpes Simplex Virus-1 Mutant HSV1716 in Pediatric Patients with Refractory or Recurrent High-Grade Gliomas: A Report of the Pediatric Brain Tumor Consortium

  • Aaron Y. Mochizuki,
  • Trent R. Hummel,
  • Timothy Cripe,
  • Maryam Fouladi and ,
  • Ian F. Pollack,
  • Duane Mitchell,
  • Tina Young Poussaint,
  • Arzu Onar-Thomas,
  • Natasha Pillay-Smiley and
  • Charles B. Stevenson
  • + 6 authors+ 1 author

26 December 2024

Background/Objectives: Multiple immune-modulatory strategies have been tested in efforts to mitigate the pro-tumor microenvironment in pediatric high-grade glioma. HSV1716 is an oncolytic virus that previously demonstrated evidence of response in adu...

  • Article
  • Open Access
19 Citations
3,788 Views
22 Pages

Strippable Polymeric Nanocomposites Comprising “Green” Chelates, for the Removal of Heavy Metals and Radionuclides

  • Gabriela Toader,
  • Daniela Pulpea,
  • Traian Rotariu,
  • Aurel Diacon and ,
  • Edina Rusen,
  • Andreea Moldovan,
  • Alice Podaru,
  • Raluca Ginghină,
  • Florentina Alexe and
  • Lucia Leonat
  • + 10 authors+ 5 authors

30 November 2021

The issue of heavy metal and radionuclide contamination is still causing a great deal of concern worldwide for environmental protection and industrial sites remediation. Various techniques have been developed for surface decontamination aiming for hi...

(This article belongs to the Special Issue Polymers Synthesis and Characterization)
  • Article
  • Open Access
4 Citations
5,043 Views
19 Pages

Comparative Study on the Decontamination Efficacy of Peelable Coatings for Heavy Metals Removal

  • Gabriela Toader,
  • Daniela Pulpea,
  • Aurel Diacon,
  • Edina Rusen and ,
  • Raluca Elena Ginghina,
  • Traian Rotariu,
  • Alice Ionela Podaru,
  • Andreea Elena Moldovan,
  • Maria Gavrilescu and
  • Bogdan Trica
  • + 6 authors+ 1 author

3 March 2023

This study presents the formulation and application of strippable coatings for the entrapment and removal of heavy metals (HMs) and radio nuclides (RNs). The “green” formulations involve the use of a water-based solution consisting of a s...

(This article belongs to the Special Issue Ecological Risk Assessment of Heavy Metal Pollution)
  • Feature Paper
  • Article
  • Open Access
6 Citations
2,698 Views
15 Pages

21 June 2025

Water injection is widely recognized as one of the most important operational approaches for enhanced oil recovery in oilfields. However, this process faces significant challenges due to the formation of sulfate and carbonate mineral scales caused by...

(This article belongs to the Special Issue Recent Advances in Heavy Oil Reservoir Simulation and Fluid Dynamics)
  • Abstract
  • Open Access
2,404 Views
1 Page

Film-Forming Polymeric Blends Designed for the Removal of Heavy Metals and Radionuclides from Contaminated Surfaces

  • Alice Podaru,
  • Gabriela Toader,
  • Daniela Pulpea,
  • Traian Rotariu and ,
  • Aurel Diacon,
  • Edina Rusen,
  • Andreea Moldovan,
  • Raluca Ginghină,
  • Florentina Alexe and
  • Lucia Leonat
  • + 10 authors+ 5 authors

Surface decontamination is a vast domain. The majority of the methods use a considerable quantity of water, requiring further treatments. This study presents an ecological method for surface decontamination, based on polymeric nanocomposites, special...

(This article belongs to the Proceedings of The 17th International Symposium “Priorities of Chemistry for a Sustainable Development” PRIOCHEM)
  • Article
  • Open Access
14 Citations
3,846 Views
14 Pages

16 February 2021

Anaplastic thyroid cancer (ATC) is one of the most lethal malignancies with a median survival time of about 4 months. Currently, there is no effective treatment, and the development of new therapies is an important and urgent issue for ATC patients....

(This article belongs to the Special Issue Thyroid Cell)
  • Article
  • Open Access
9 Citations
9,191 Views
25 Pages

Assessment of Forest Cover Changes in Vavuniya District, Sri Lanka: Implications for the Establishment of Subnational Forest Reference Emission Level

  • Sharaniya Vijitharan,
  • Nophea Sasaki,
  • Manjunatha Venkatappa,
  • Nitin Kumar Tripathi and ,
  • Issei Abe and
  • Takuji W. Tsusaka
  • + 1 author+ 0 author

12 July 2022

Assessment of forest cover changes is required to establish the forest reference emission level (FREL) at any scale. Due to civil conflict, such assessments have not yet been undertaken in Sri Lanka, especially in the conflict zone. Here, we assessed...

(This article belongs to the Special Issue Land Use Change and Anthropogenic Disturbances: Relationships, Interactions, and Management)
  • Article
  • Open Access
6 Citations
2,894 Views
21 Pages

The Use of Phosphonates to Inhibit Salt Crystallization: A Laboratory Study for the Sustainable Conservation of Mural Paintings in the Hypogea Context

  • Giulia Simonelli,
  • Giancarlo Sidoti,
  • Ludovica Ruggiero,
  • Angela Calia and ,
  • Giovanni Quarta,
  • Fabio Aramini and
  • Paola Mezzadri
  • + 2 authors+ 0 author

8 November 2024

This research is focused on the laboratory study of salt crystallization inhibitor products as new materials for conservation treatments which can be applied to mortars and painted plasters; as is well known, salt crystallization is one of the most f...

(This article belongs to the Special Issue New Technologies and Pathways to Sustainable Conservation of Cultural Heritage)