Curcumin and Capsaicin-Loaded Ag-Modified Mesoporous Silica Carriers: A New Alternative in Skin Treatment by Ivalina Trendafilova, Ralitsa Chimshirova, Denitsa Momekova, Hristo Petkov, Neli Koseva, Penka Petrova, Margarita Popova

“…The release experiments of both active substances from the developed formulations were studied in buffers with pH 5.5, and showed improved solubility. Radical scavenging activity and ferric-reducing antioxidant power assays were successfully used for the evaluation of the antiradical and antioxidant capacity of the curcumin or/and capsaicin loaded on mesoporous carriers. …”
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The Effect of Carotenoid Rhodoturola glutenis on Liver Function in Male Mice by M Mousavi, N Naghsh, M Madani

“…Total: 9.6 mg percent, volatiles: 9.8 mg percent, acid number 7.3 mg percent and pH: 5.5 was stated. The mean activity of SGOT, SGPT, ALP in the 32 and 16mg/kg injections was not significantly different with the control group. …”
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Study on Safe Usage of Agricultural Land in Typical Karst Areas Based on Cd in Soil and Maize: A Case Study of Northwestern Guizhou, China by Liyu Yang, Pan Wu, Wentao Yang

“…The results show that the hazardous concentrations of 95% and 5% in maize fields were 2.2 and 85.1 mg kg⁻¹ for soil pH ≤ 5.5, 2.5 and 108.5 mg kg⁻¹ for 5.5 < pH ≤ 6.5, and 3.0 and 161.8 mg kg⁻¹ for 6.5 < pH ≤ 7.5, respectively. …”
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Assessment of Soil Acidity and Determination of Lime Requirement under Different Land Uses in Gumer District, Southern Ethiopia by Achalu Chimdi YARIMO, Aliyu Nesru Nesru, Wondwosen Tena Tena

“…The study revealed that soils of cultivated and Eucalyptus lands were very strongly acidic with mean of pH 4.8 and 5.0, whereas soils of grazing lands were strongly acidic with pH 5.5 and forest lands were moderately acidic with pH 5.7and 5.6 in both kebeles, respectively. …”
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Effect of an Immunomodulatory Feed Additive in Mitigating the Stress Responses in Lactating Dairy Cows to a High Concentrate Diet Challenge by Damiano Cavallini, Ludovica M. E. Mammi, Alberto Palmonari, Ruben García-González, James D. Chapman, Dereck J. McLean, Andrea Formigoni

“…Results showed that the challenge decreased the rumination, shifted ruminal fluid composition, decreased milk production and the components, and slightly increased the time below pH 5.5, with no differences between groups. The treatment produced greater rumen butyrate and lower lactate, prompter regeneration of red blood cells, increase of neutrophils, lower paraoxonase, gamma-glutamyl-transferase, and β-hydroxybutyrate, with no differences on other tested inflammatory markers. …”
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Studies on Extraction and Stability of C-Phycoerythrin From a Marine Cyanobacterium by Tonmoy Ghosh, Tonmoy Ghosh, Sandhya Mishra, Sandhya Mishra

“…RSM was used to optimize phosphate buffer pH (5.5–8), molarity (0.1–1 M) and number of freeze thaw cycles (2–7). …”
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Construction of a Nano-Controlled Release Methotrexate Delivery System for the Treatment of Rheumatoid Arthritis by Local Percutaneous Administration by Tingting Guo, Xu Kang, Sifan Ren, Xianjin Ouyang, Mingming Chang

“…The obtained results show that after 48 h, twice as much MTX (cumulative amount) is released at pH 5.5 than at pH 7.4. This suggests that the MTX-mSiO₂@PDA system exhibits a good pH sensitivity. …”
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Micro-/Nano-Structured Ceramic Scaffolds That Mimic Natural Cancellous Bone by Anabel Díaz-Arca, Patricia Ros-Tárraga, María J. Martínez Tomé, Antonio H. De Aza, Luis Meseguer-Olmo, Patricia Mazón, Piedad N. De Aza

“…Scaffolds were obtained at three cooling rates via the eutectoid temperature (50 °C/h, 16.5 °C/h, 5.5 °C/h), which allowed the surface nanostructure and mechanical strength to be controlled. …”
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Fermentasi Anaerobik Biogas Dua Tahap Dengan Aklimatisasi dan Pengkondisian pH Fermentasi by Purwinda Iriani, Yanti Suprianti, Fitria Yulistiani

“…The mixture of water and cow dung were adjusted at initial pH 5.5 on acetogenic digester for 2 weeks. Those material were used for biogas production in the methanogenic digester. …”
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Heat-induced gelation of protein from mealworm (Tenebrio molitor): influence of pH and zinc concentration by Martina Klost, Maria Isabel Ramirez-Huerta, Stephan Drusch

“…Therefore, we investigated the influence of pH (pH 5.5 and 7.5) and zinc concentration (0 M, 0.1 M and 0.3 M) on rheological properties and gel structure of heat-induced mealworm protein gels. …”
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Design of double functionalized carbon nanotube for amphotericin B and genetic material delivery by Sara Yazdani, Mehrdad Mozaffarian, Gholamreza Pazuki, Naghmeh Hadidi, Idoia Gallego, Gustavo Puras, Jose Luis Pedraz

“…The amount of Amb released to phosphate buffer saline medium was about 33% at pH = 5.5 and 75% at pH = 7.4 after 48 h. CCK8 results confirmed that the toxicity of functionalized SWCNT had decreased. …”
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Caractérisation physique, chimique et microbiologique de trois sols acides tropicaux du Rwanda sous jachères naturelles et contraintes à leur productivité by Culot M, Bucagu C., Mbonigaba Muhinda JJ., Nzeyimana I.

“…Soils are strongly acidic in the HL and ML (pH 4.1 and 4.7) and moderately acidic in LL (pH 5.5). The rate of total organic carbon (Corg) is acceptable in Gakuta (4.5%), but decreases with altitude. …”
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Synthesis, crystal structure and Hirshfeld analysis of a crystalline compound comprising a 1/1 mixture of 1-[(1R,4S)- and 1-[(1S,4R)-1,7,7-trimethyl-2-oxobicyclo[2.2.1]heptan-3-yli... by Fabrício Carvalho Pires, Leandro Bresolin, Vanessa Carratu Gervini, Bárbara Tirloni, Adriano Bof de Oliveira

“…The Hirshfeld surface analysis indicates that the major contributions for crystal cohesion are from H...H (55.00%), H...S (22.00%), H...N (8.90%) and H...O (8.40%) interactions.…”
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Cloning, Expression and Characterization of a Novel Fructosyltransferase from Aspergillus oryzae ZZ-01 for the Synthesis of Sucrose 6-Acetate by Tao Wei, Shen Huang, Jie Zang, Chunxiao Jia, Duobin Mao

“…The r-AoFT enzyme exhibited its optimal activity at 55 °C and pH 5.5, and maintained about 63% of its activity even after 60 min of treatment at 60 °C. …”
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A Versatile Aldehyde: Ferredoxin Oxidoreductase from the Organic Acid Reducing <i>Thermoanaerobacter</i> sp. Strain X514 by Laura Sofie Nissen, Jimyung Moon, Lisa Hitschler, Mirko Basen

“…AOR_X514 was active over a wide temperature (10 to 95 °C) and pH (5.5 to 11.5) range, utilized a wide variety of aldehydes (short and branched-chained, aliphatic, aromatic) and resembles archaeal <i>sensu stricto</i> AORs, as the protein is active in a homodimeric form. …”
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Simultaneous removal fluoride and nitrate from water in a batch reactor using Al and Fe anodes and Cu, Steel and Graphite cathodes. by Mohammad Reza Samaei, Razieh Ashoori, Abooalfazl Azhdarpoor, Saeed Yousefinejad

“…Afterward, the effects of different operating parameters such as the current density (12- 36 mA/cm2), initial pH (5.5-8.5), NaCl concentration (0.5-1.5gr/L), and electrolysis time (15-120 min), ) on the removal of fluoride (initial concentration: 6 mg/L) and nitrate (initial concentration: 150 mg/) were evaluated, respectively.…”
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Composition of the Cytochrome <i>c</i> Complex with Cardiolipin by Thermal Lens Spectrometry by Mikhail A. Proskurnin, Elena V. Proskurnina, Viktoriya R. Galimova, Andrei V. Alekseev, Ivan V. Mikheev, Yuri A. Vladimirov

“…From the thermal lens measurements, the ratios of cytochrome <i>c</i> and cardiolipin in the complex were 50 at pH 7.4; 30 at pH 6.8; and 10 at pH 5.5, which fit well to the spectrophotometric data. …”
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Separation and determination of iron(Ⅱ), cobalt(Ⅱ) and nickel(Ⅱ) by HPLC after cloud point extraction with TAN(TAN浊点萃取-高效液相色谱法测定铁、钴、镍) by XIEXia-feng(谢夏丰), CHENJian-rong(陈建荣), GUOWei-qiang(郭伟强)

“…讨论了以TAN为衍生试剂，用Triton X-114非离子表面活性剂浊点萃取富集铁（Ⅱ )、钴（Ⅱ )、镍（Ⅱ )的各种条件，并于ODS柱上，用内含4.5 m mol • L-1十六烷基三甲基溴化铵(CTMAB)和0.03 mol • L-1 pH5.5HAc-NaAc缓冲溶液的甲醇/水溶液（体积比为69 ： 31）作流动相，检测波长为565 nm，流速为0.8 mL • min-1，发展了浊点萃取-高效液相色谱法测定铁、钴、镍的新方法.在选定条件下，大多数离子不干扰测定，方法灵敏度高，对铁、钴、镍的检测限分别为0.1，0.1，0.03 µg• L-1.方法用于水样中铁（Ⅱ，Ⅲ）、钴(Ⅱ)、镍(Ⅱ)的测定，结果令人满意.…”
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Influence of simulated acid rain on the physiological response of flowering Chinese cabbage and variation of soil nutrients by Shuo Ma, Wenkang Chen, Jiaen Zhang, Hong Shen

“…Our results showed that SAR at pH 5.5 did not damage plant development because growth characteristics, photosynthesis, and superoxide dismutase and peroxidase activities did not change obviously at this pH compared to those at pH 7.0. …”
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Cloning and characterization of thermophilic endoglucanase and its application in the transformation of ginsenosides by Fei Zheng, Huanxi Zhao, Nan Wang, Peng Zhong, Kailu Zhou, Shanshan Yu

“…The recombinant BcelFp exhibited an optimal activity at 95 oC and pH 5.5 and showed high thermostability. The endoglucanase had high selectivity for cleaving the outer glucose moiety at the C3 carbon of ginsenoside Rb1, Rb2, Rc and Rd, which produced stronger pharmacologically active gypenoside XVII (GypXVII), Compound O (CO), Compound Mc1 (CMc1) and F2, respectively. …”
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