Spatially Explicit Soil Acidification under Optimized Fertilizer Use in Sub-Saharan Africa by Yves Uwiragiye, Mbezele Junior Yannick Ngaba, Mingxia Yang, Ahmed S. Elrys, Zhujun Chen, Jianbin Zhou

“…Acidic soils (pH < 5.5) cover roughly 30% of Sub-Saharan Africa. …”
Get full text

Acidified Animal Manure Products Combined with a Nitrification Inhibitor Can Serve as a Starter Fertilizer for Maize by Iria Regueiro, Peter Siebert, Jingna Liu, Dorette Müller-Stöver, Lars Stoumann Jensen

“…Raw dairy slurry and solid fractions from dairy slurry and digestate from a biogas plant were acidified to pH 5.5 and applied with or without a nitrification inhibitor (DMPP, 3,4-dimethyl pyrazole phosphate) to maize in a pot experiment, where biomass productivity, nutrient uptake and soil P availability were examined. …”
Get full text

Influence of Acid, Ethanol, and Anthocyanin Pigment on the Optical and Mechanical Properties of a Nanohybrid Dental Composite Resin by Sukhyun Hwang, Shin Hye Chung, Jung-Tae Lee, Yong-Tae Kim, Yoo Jin Kim, Soram Oh, In-Sung Luke Yeo

“…Microhardness of composite resin stored in pH 2.0, 3.0, 4.0 solution was lower than that for pH 5.5 (P &lt; 0.001). Pigment, ethanol, and pH did not influence the Ra. …”
Get full text

Graphene oxide induced nanoscale energetic coordination polymer with self-sustaining combustion ability by Xiaoxia Ma, Shing-Yam Chan, Jun Zhou, Yatu Chen, Guangcheng Yang, Kaili Zhang

“…An ECP [(NiC2H4N8O4)n, Ni-BTO] constructed from Ni2+ and H2BTO [1H,1′H-(5,5′-bitetrazole)-1,1′-bis(olate)] ligand is in situ grown on GO layers. …”
Get full text

Optimization of Cellulase-Assisted Ultrasound Extraction and Antioxidant Analysis of Flavonoids from Syringa oblata Leaves by Leilei HUANG, Jiayi LIU, Tianyi WANG, Qingfen ZHANG, Fengjian YANG

“…The results showed that, the optimum extraction process was enzyme addition 2%, pH5.5, sonication time 40 min, sonication power 400 W, ethanol volume fraction 63%, temperature 56 ℃, liquid to material ratio 30:1 (mL/g), and under these conditions, the Syringa oblata flavonoids content was 32.21±0.16 mg/g, which was in proximity to the predicted value of 32.57 mg/g from the regression model. …”
Get full text

Novel pH-Responsive Cubosome and Hexosome Lipid Nanocarriers of SN-38 Are Prospective for Cancer Therapy by Sarigama Rajesh, Jiali Zhai, Calum J. Drummond, Nhiem Tran

“…Out of the four studied aminolipid-MO LNP systems, the nanoparticles containing N-(Pyridin-4-ylmethyl) oleamide (OAPy-4) or N-(2(piperidin-1yl)ethyl) oleamide (OAPi-1) exhibited a pH-induced H₂ to Q₂ phase transition in a tumour-relevant pH range (pH 5.5–7.0). SN-38 is 1000 times more efficacious than the commercially available prodrug irinotecan. …”
Get full text

The blending effect of natural polysaccharides with nano-zirconia towards the removal of fluoride and arsenate from water by M. Shanika Fernando, A. K. D. V. K. Wimalasiri, Karolina Dziemidowicz, Gareth R Williams, K. Rasika Koswattage, D. P. Dissanayake, K. M. Nalin De Silva, Rohini M. De Silva

“…It was observed that the combination of ZO with CTS improved the F− and As(V) adsorption capacity most notably at pH 5.5. Fluoride adsorption by ZO-CTS followed the Freundlich isotherm model, with an adsorption capacity of 120 mg g−1. …”
Get full text

Removal of Different Kinds of Heavy Metals by Novel PPG-nZVI Beads and Their Application in Simulated Stormwater Infiltration Facility by Xiaoran Zhang, Lei Yan, Junfeng Liu, Ziyang Zhang, Chaohong Tan

“…Adsorption increased with the increase of pH and the largest sorption occurred at pH 5.5, while ionic strength did not significantly influence the adsorption process. …”
Get full text

Production of xylose through enzymatic hydrolysis of glucuronoarabinoxylan from brewers’ spent grain by Lilia C. Rojas-Pérez, Paulo C. Narváez-Rincón, M. Angélica M. Rocha, Elisabete Coelho, Manuel A. Coimbra

“…The highest yield of xylose was 63.6% (48 h, 40 ℃, pH 5.5), using a mixture of all enzymes devoid of α-l-arabinofuranosidase (GH43) family. …”
Get full text

Preparation of Chitosan–Hexaconazole Nanoparticles as Fungicide Nanodelivery System for Combating <i>Ganoderma</i> Disease in Oil Palm by Farhatun Najat Maluin, Mohd Zobir Hussein, Nor Azah Yusof, Sharida Fakurazi, Abu Seman Idris, Nur Hailini Zainol Hilmi, Leona Daniela Jeffery Daim

“…In addition, the <i>in vitro</i> fungicide released at pH 5.5 demonstrated that the fungicide from the nanoparticles was released in a sustainable manner with a prolonged release time up to 86 h. …”
Get full text

KHảO SáT QUá TRìNH SINH TổNG HợP PROTEASE Từ Aspergillus oryzae TRÊN MÔI TRƯờNG BáN RắN by Lê Nguyễn Đoan Duy, Nguyễn Công Hà, Huỳnh Thị Phương Thảo

“…Enzyme thu hồi thể hiện hoạt tính tối ưu ở nhiệt độ 45oC và pH = 5,5. Động học của enzyme protease được xác định trên cơ chất casein có Vmax = 1,2548 àmol/phút và Km = 0,3932%. …”
Get full text

The Effects of pH and Excipients on Exenatide Stability in Solution by Alexander Benet, Troy Halseth, Jukyung Kang, April Kim, Rose Ackermann, Santhanakrishnan Srinivasan, Steven Schwendeman, Anna Schwendeman

“…Exenatide remained relatively stable at pH 4.5 when incubated at 37 °C. At pH 5.5–6.5, degradation was driven by oxidation, while driven by deamidation at pH 7.5–8.5. …”
Get full text

Role of pH and Crosslinking Ions on Cell Viability and Metabolic Activity in Alginate–Gelatin 3D Prints by Andrea Souza, Matthew Parnell, Brian J. Rodriguez, Emmanuel G. Reynaud

“…U2OS cells showed a 2.25-fold cell metabolism increase on one-layer prints prepared at pH 8.0 in comparison to those prepared at pH 5.5, whereas NIH/3T3 cells showed greater metabolism on one-layer prints with pH 7.0. …”
Get full text

pH-Responsive PLGA Nanoparticle for Controlled Payload Delivery of Diclofenac Sodium by Shalil Khanal, Udhab Adhikari, Nava P. Rijal, Shanta R. Bhattarai, Jagannathan Sankar, Narayan Bhattarai

“…The release was about 45% more at pH 5.5 than at pH 7.4. The results of our study indicated the development of chitosan coating over PLGA nanoparticle for pH dependent controlled release DS drug for therapeutic applications.…”
Get full text

Development of a nasal spray containing aminocaproic acid and a copolymer of <i>N</i>-vinylpyrrolidone and 2-methyl-5-vinylpyridine for use in the prevention of influenza and other... by A. S. Karpova

“…A phosphate buffer solution with pH 5.5 was selected as the solvent for the dosage form to ensure the stability of the drug solution and ease-of-use without any disruptions in the normal functioning of the cilia in the nasal cavity. …”
Get full text

Relación suelo-árbol y factores de sitio, en plantaciones jóvenes de teca (Tectona grandis), en la zona oeste de la cuenca del canal de Panamá by Manuel Mollinedo, Luis Ugalde, Alfredo Alvarado, Jean Mark Verjans, Luis Carles Rudy

“…Las principales variables que explican las diferencias en crecimiento fueron, el porcentaje de saturación de acidez, el cual debe ser <8%, y el porcentaje de saturación de Ca >40% para lograr los mejores valores de crecimiento de los árboles; este resultado es aún más evidente cuando solo se consideran los suelos con pH<5,5. El análisis de las concentraciones foliares indica que los valores de los diferentes elementos analizados se encuentran sobre el nivel de suficiencia. …”
Get full text

Cloud-resolving time-lagged rainfall ensemble forecasts for typhoons in Taiwan: Examples of Saola (2012), Soulik (2013), and Soudelor (2015) by Chung-Chieh Wang, Shin-Hau Chen, Yu-Han Chen, Hung-Chi Kuo, James H. Ruppert, Jr., Kazuhisa Tsuboki

“…Within the short range (≤72 h), as the predicted tracks converged toward the best track, high-quality QPFs were consistently generated starting at about 36 h, 55 h, and 80 h prior to landfall, respectively, with derived probabilities in good to excellent agreement with the observations, even at extreme thresholds (≥500 and 700 mm in 24 h). …”
Get full text

Improved production of lactiplantibacillus plantarum RO30 exopolysaccharide (REPS) by optimization of process parameters through statistical experimental designs by Eman Ahmed Elmansy, Ebtsam M. Elkady, Mohsen S. Asker, Nagwa A. Abdallah, Bigad E. Khalil, Shaimaa k. Amer

“…The maximal amount of REPS (10.32 g/L) was formed by: sucrose (40 g/L), beef extract (25 g/L), pH (5.5), incubation temperature (30 °C), and incubation period (72 h). …”
Get full text

Enhanced Extracellular Production and Characterization of Sucrose Isomerase in <i>Bacillus subtilis</i> with Optimized Signal Peptides by Dan Guo, Mingyu Li, Mengtong Jiang, Guilong Cong, Yuxin Liu, Conggang Wang, Xianzhen Li

“…Finally, the expressed KsLX3-SIase was purified and was found to have maximum activity at 45 °C and pH 5.5. Its <i>K</i>_m for sucrose was 267.6 ± 18.6 mmol/L, and its <i>k</i>_cat/<i>K</i>_m was 10.1 ± 0.2 s⁻¹mM⁻¹. …”
Get full text

Effect of variable domain charge on in vitro and in vivo disposition of monoclonal antibodies by Shufang Liu, Ashwni Verma, Hubert Kettenberger, Wolfgang F. Richter, Dhaval K. Shah

“…Consequently, we have systematically engineered complementarity-determining regions (CDRs) of trastuzumab to create a series of variants with an isoelectric point (pI) range of 6.3–8.9 and a variable region (Fv) charge range of −8.9 to +10.9 (at pH 5.5), and have investigated in vitro and in vivo disposition of these molecules. …”
Get full text