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Pd solutions

Bart Dioos, Goedele Paternot, Rose-Marie Jenvert, Annick Duponchelle, Mark R Marshall, Migaku Nakajima, Edward Ramirez Ganoza, James A Sloand, Anders P Wieslander
BACKGROUND: The aim of this study was to investigate in vitro biocompatibility of Reguneal™, a new bicarbonate containing peritoneal dialysis fluid (PDF) for Japan, and compare it with other PDFs available in that country. METHODS: We assessed basal cytotoxicity using in vitro proliferation of cultured fibroblasts, L-929, determining the quantity of living cells by the uptake of Neutral Red. Levels of ten glucose degradation products (GDPs) were measured by a validated ultrahigh-performance liquid chromatography method in combination with an ultraviolet detector...
June 20, 2018: Clinical and Experimental Nephrology
Li-Xin You, Lan-Xin Cui, Bai-Bei Zhao, Gang Xiong, Fu Ding, Bao-Yi Ren, Zhong-Liang Shi, Ileana Dragutan, Valerian Dragutan, Ya-Guang Sun
An array of heterobimetallic Pd/Ln MOFs (1-4) with Sm, Eu, Tb, Dy as preferred metal nodes and 1,1'-di(p-carboxybenzyl)-2,2'-diimidazole (H2L) as a fairly suitable bifunctional organic linker have been synthesized, fully characterized and tested as catalysts in cross-coupling reactions. These robust MOFs, ensuring a uniform distribution of Pd, showed excellent stability in air and high catalytic activity in Suzuki-Miyaura reactions conducted in neat water, neat ethanol as well as water-ethanol mixture. Depending on the solvent, complex 1 could be effectively recycled 4-8 times without significant loss of catalytic activity...
June 19, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
Ulrike Blaschke, Beneditta Suwono, Sachli Zafari, Ingo Ebersberger, Evelyn Skiebe, Cy M Jeffries, Dmitri I Svergun, Gottfried Wilharm
Acinetobacter baumannii appears as an often multidrug-resistant nosocomial pathogen in hospitals worldwide. Its remarkable persistence in the hospital environment is probably due to intrinsic and acquired resistance to disinfectants and antibiotics, tolerance to desiccation stress, capability to form biofilms, and is possibly facilitated by surface-associated motility. Our attempts to elucidate surface-associated motility in A. baumannii revealed a mutant inactivated in a putative DNA-(adenine N6)-methyltransferase, designated A1S_0222 in strain ATCC 17978...
June 14, 2018: Protein Expression and Purification
Yiren Wu, Dong Qin
We report the use of 2,6-dimethylphenyl isocyanide (2,6-DMPI) as a spectroscopic probe to study the heterogeneous nucleation and deposition of Pd on Ag nanocubes under different conditions by surface-enhanced Raman scattering (SERS). As a major advantage, the spectroscopic analysis can be performed in situ and in real time with the nanoparticles still suspended in the reaction solution. The success of this method relies on the distinctive stretching frequencies (νNC) of the isocyanide group in 2,6-DMPI when it binds to Ag and Pd atoms through σ donation and π-back donation, respectively...
June 13, 2018: Journal of the American Chemical Society
Dongdong Xu, Xiaoli Liu, Hao Lv, Ying Liu, Shulin Zhao, Min Han, Jianchun Bao, Jie He, Ben Liu
We report a facile bottom-up synthetic approach to preparing ultrathin two-dimensional (2D) palladium nanosheets (PdNSs) with selectively exposed surface facets. Our synthetic strategy is based on the utilization of the nanoconfined lamellar mesophases of amphiphilic functional surfactants to template the growth of PdNSs in aqueous solution. Preferential adsorption of functional groups ( e.g. , COOH, pyridyl and quaternary ammonium) and halide counter ions ( e.g. , Br- and Cl- ) in the long-chain surfactants onto different Pd planes results in the epitaxial growth of {100}, {110} and {111}-exposed surface facets of ultrathin PdNSs...
May 21, 2018: Chemical Science
Yuting Liu, Fengping Mu, Lijuan Liu, Chune Shan
Changes of interleukin (IL)-1β, IL-6, IL-17 and tumor necrosis factor-α (TNF-α) in gingival crevicular fluid in patients with fixed orthodontic gingivitis after treatment with Kangfuxin solution were analyzed to explore the clinical effect of Kangfuxin solution in patients with orthodontic gingivitis. A total of 78 patients diagnosed with fixed orthodontic gingivitis in Weifang People's Hospital from January 2015 to March 2017 were selected. Thirty-nine patients were treated with gingival cleansing as control group, and the other 39 patients were treated with gingival cleansing plus spraying and sublingual administration with Kangfuxin solution as treatment group...
July 2018: Experimental and Therapeutic Medicine
João F Gomes, Ana Lopes, Daniel Gonçalves, Cristina Luxo, Marta Gmurek, Raquel Costa, Rosa M Quinta-Ferreira, Rui C Martins, Ana Matos
Corbicula fluminea, an Asian clam, is one of the worst invasive species in Europe that can survive in very adverse environmental conditions. Despite its negative impacts, the species also has the capacity to bioaccumulate heavy metals, contaminants and can be exploited for wastewater treatment purposes. The capacity of the Asian clam to remove Escherichia coli, used as fecal contamination indicator, was analyzed. Conventional wastewater treatment plants are not suitable to remove bacteria, thus resulting in treated municipal wastewater with high bacterial loads...
June 6, 2018: Chemosphere
Yu-Chiao Liu, Shao-An Hua, Ming-Chuan Cheng, Li-Chung Yu, Serhiy Demeshko, Sebastian Dechert, Franc Meyer, Gene-Hsiang Lee, Ming-Hsi Chiang, Shie-Ming Peng
The heterotrimetallic complexes [FeMFe(dpa)4Cl2] (M = Ni (1), Pd (2) and Pt (3); dpa- = dipyridylamido) featuring two high-spin iron centers linked by group 10 metals were synthesized and their physical properties were investigated. Oxidation of 1-3 with suitable oxidants in CH2Cl2 solution yielded mixed-valent [1]+/2+-[3]+/2+ species. The solution properties of [1]0/+/2+-[3]0/+/2+ were characterized by 1H NMR spectroscopy, UV-vis-NIR spectroscopy and spectroelectrochemisty. The mixed-valent states on [1]+-[3]+ obtained by electrochemical or chemical oxidation are classified as class II valence delocalization...
June 11, 2018: Chemistry: a European Journal
Prodip Howlader, Bijnaneswar Mondal, Prioti Choudhury Purba, Ennio Zangrando, Partha Sarathi Mukherjee
Self-assembly of a cis-blocked Pd(II) 90 ditopic acceptor [cis-(tmeda)Pd(NO3)2] (M) with a tetradentate donor L1 [benzene-1,4-di(4-terpyridine)] in 2:1 molar ratio yielded two isometric molecular barrels MB1 and MB3 in DMSO [tmeda = N,N,NN-tetramethylethane-1,2-diamine]. Exclusive formation of the symmetrical tetrafacial barrel (MB1) was achieved when the self-assembly was performed in aqueous medium. The presence of a large confined cavity makes MB1 as a potential molecular container. Spiropyran (SP) compounds exist in stable closed spiro-form in visible light and converts to transient open merocyanine (MC) form upon irradiation with UV-light or upon strong heating...
June 6, 2018: Journal of the American Chemical Society
Pengfei Ai, Kirill Yu Monakhov, Jan van Leusen, Paul Kögerler, Christophe Gourlaouen, Moniek Tromp, Richard Welter, Andreas A Danopoulos, Pierre Braunstein
Selective copper(I) to palladium(0) transmetallation of P-donors from the rigid N,N'-diphosphanyl-imidazol-2-ylidene C3 H2 [NP(tBu)2 ]2 (PCNHC P) was observed when known [Cu3 (μ3 -PCNHC P,κP,κCNHC ,κP)2 ](OTf)3 was reacted with [Pd(PPh3 )4 ]. When 1.2 equivalents of [Pd(PPh3 )4 ] was used, the product [Cu2 Pd(μ3 -PCNHC P,κP,κCNHC ,κP)2 ](OTf)2 (2(OTf)2 ) was obtained, which features a CuI -CuI -Pd0 chain and appears to be the first linear heterotrinuclear complex with d10 -d10 interactions between Pd0 and CuI ...
June 5, 2018: Chemistry: a European Journal
Anne-Catherine Raby, Guadalupe T González-Mateo, Aled Williams, Nicholas Topley, Donald Fraser, Manuel López-Cabrera, Mario O Labéta
Peritoneal membrane failure due to fibrosis limits the use of peritoneal dialysis (PD). Peritoneal fibrosis may potentially be induced by sterile inflammation caused by ongoing cellular stress due to prolonged exposure to PD solutions (PDS). Effective therapies to prevent this process remain to be developed. Toll-like receptors (TLRs) mediate sterile inflammation by recognizing damage-associated molecular patterns (DAMPs) released by cellular stress. We evaluated the involvement of TLRs and DAMPs in PDS-induced fibrosis models and the therapeutic potential of TLR-DAMP targeting for preventing fibrosis...
May 31, 2018: Kidney International
Toshitaka Yoshii, Takashi Hirai, Tsuyoshi Yamada, Kenichiro Sakai, Shuta Ushio, Satoru Egawa, Masato Yuasa, Tsuyoshi Kato, Hiroyuki Inose, Shigenori Kawabata, Atsushi Okawa
STUDY DESIGN: This is a prospective comparative study. OBJECTIVE: We evaluated the efficacy of 2 standard antiseptic solutions, chlorhexidine-gluconate (CHG) and povidone-iodine (PD-I), in eliminating bacterial pathogens from surgical sites in posterior spine surgeries. SUMMARY OF BACKGROUND DATA: Previous studies have shown that CHG is more effective for skin antisepsis than PD-I in joint surgeries. However, few studies have investigated the preoperative use of antiseptic solutions in spine surgery...
May 25, 2018: Clinical Spine Surgery
Bourne L Auguste, Joanne M Bargman
Coping with the transition from end-stage kidney disease to dialysis can be challenging for patients and their care partners. Introducing incident dialysis patients to incremental forms of dialysis is associated with better quality of life and reduced cost. Incremental hemodialysis (HD) has generated significant interest over the last decade with treatments that focus on clinical criteria rather than prespecified Kt/Vurea targets. Incremental peritoneal dialysis (PD) has traditionally focused on the sum of residual renal and peritoneal clearances to achieve a specific Kt/Vurea value...
May 28, 2018: Seminars in Dialysis
Yifan Wu, Ling Gan, Shupeng Zhang, Haiou Song, Chang Lu, Wentao Li, Zheng Wang, Bicun Jiang, Aimin Li
A novel composite bimetallic electrode, palladium-nickel/multi-walled carbon nanotubes/graphite felt (Pd-Ni/MWCNTs/GF), was synthesized for the electrocatalytic hydrodechlorination of 4-chlorophenol (4-CP). GF with a three-dimensional structure was used as the electrode substrate, and doped with MWCNTs, which can improve the GF conductivity and serve as a skeleton for metal loading. Ni and Pd were deposited on the electrode surface stepwise to obtain a well-aligned, highly active and stable Pd-Ni/MWCNTs/GF electrode...
May 16, 2018: Journal of Hazardous Materials
Dennis Palmer, William J Lawton, Charles Barrier, Bd Fine, Hayden Hemphill, Norah Nyah, Virginie Kinne, Njaprim I Ringnwi, Genevive Yong, Amy L Neufeldt, Yves Mitterand M Mambou, Fredric O Finkelstein, Thomas Krahn
BACKGROUND: Acute kidney injury (AKI) is common in low- and middle-income countries, and is associated with a high mortality. The high mortality rate is in large part due to the inability to perform dialysis in resource-limited settings. Due to significant cost advantages, peritoneal dialysis (PD) has been used to treat AKI in these settings. The costs, however, remain high when commercial solutions are used. METHODS: This is a retrospective cohort study of the outcome, and of the peritonitis rates, of patients with AKI treated with either commercially manufactured PD solutions or locally-made PD solutions...
May 23, 2018: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
Alexander S Mikherdov, Mikhail A Kinzhalov, Alexander S Novikov, Vadim P Boyarskiy, Irina A Boyarskaya, Margarita S Avdontceva, Vadim Yu Kukushkin
The reaction of cis-[PdCl2 (CNXyl)2 ] (Xyl = 2,6-Me2 C6 H3 ) with the aminoazoles [1 H-imidazol-2-amine (1), 4 H-1,2,4-triazol-3-amine (2), 1 H-tetrazol-5-amine (3), 1 H-benzimidazol-2-amine (4), 1-alkyl-1 H-benzimidazol-2-amines, where alkyl = Me (5), Et (6)] in a 2:1 ratio in the presence of a base in CHCl3 at RT proceeds regioselectively and leads to the binuclear diaminocarbene complexes [(ClPdCNXyl)2 {μ-C(N-azolyl)N(Xyl)C═NXyl}] (7-12; 73-91%). Compounds 7-12 were characterized by C, H, N elemental analyses, high-resolution ESI+ -MS, Fourier transform infrared spectroscopy, 1D (1 H, 13 C) and 2D (1 H,1 H-COSY, 1 H,1 H-NOESY, 1 H,13 C-HSQC, 1 H,13 C-HMBC) NMR spectroscopies, and X-ray diffraction (XRDn)...
May 24, 2018: Inorganic Chemistry
Yuanyuan Shi, Hao Yan, Jiangzi Yuan, He Zhang, Jiaying Huang, Zhaohui Ni, Jiaqi Qian, Wei Fang
BACKGROUND: Both peritoneal small solute transport and peritoneal protein clearance are closely linked to outcomes in peritoneal dialysis (PD) patients. However, the associated factors of these two components are not fully understood so far. This study aimed to investigate the association between a panel of systemic and peritoneal inflammatory and angiogenic factors and peritoneal solute transport properties. METHODS: Stable PD patients in PD center of Renji Hospital, School of Medicine, Shanghai Jiao Tong University were enrolled in present study...
May 23, 2018: BMC Nephrology
Eduarda G Z Centeno, Helena Cimarosti, Angela Bithell
Neurodegenerative diseases, such as Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD) and amyotrophic lateral sclerosis (ALS), affect millions of people every year and so far, there are no therapeutic cures available. Even though animal and histological models have been of great aid in understanding disease mechanisms and identifying possible therapeutic strategies, in order to find disease-modifying solutions there is still a critical need for systems that can provide more predictive and physiologically relevant results...
May 22, 2018: Molecular Neurodegeneration
Honggen Peng, Cheng Rao, Ning Zhang, Xiang Wang, Wenming Liu, Wenting Mao, Lu Han, Pengfei Zhang, Sheng Dai
Pd-CeOx solid solutions have demonstrated promising performance in industrial and environmental catalysis. However, challenges such as severe growth and aggregation of Pd and thermal-, vapor- or SO2-induced poisoning still obstruct their path toward real-world applica-tions. Herein we develop an efficient strategy (enhanced metal-oxide interaction and core-shell confinement to inhibit the sintering of noble metal) for design and synthesis of confined ultrathin Pd-CeOx nan-owire (2.4 nm) catalysts for methane combustion, which enable CH4 total oxidation at a low temperature of 350C, much lower than that (425C) of a commercial Pd/Al2O3 catalyst...
May 22, 2018: Angewandte Chemie
Maria Malits, Igor Brouk, Yael Nemirovsky
This paper investigates the concepts, performance and limitations of temperature sensing circuits realized in complementary metal-oxide-semiconductor (CMOS) silicon on insulator (SOI) technology. It is shown that the MOSFET threshold voltage ( Vt ) can be used to accurately measure the chip local temperature by using a Vt extractor circuit. Furthermore, the circuit's performance is compared to standard circuits used to generate an accurate output current or voltage proportional to the absolute temperature, i...
May 19, 2018: Sensors
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