Alkaline and acidic soil constraints on iron accumulation by Rice cultivars in relation to several physio-biochemical parameters by Ammara Saleem, Asma Zulfiqar, Muhammad Zafar Saleem, Baber Ali, Muhammad Hamzah Saleem, Shafaqat Ali, Ebru Derelli Tufekci, Ali Rıza Tufekci, Mehdi Rahimi, Reham M. Mostafa

“…The purpose of the current pot experiment was to investigate the impact of Fe treatment in alkaline (pH 7.5) and acidic (pH 5.5) soils to introduce iron-rich rice. Iron was applied to the plants in the soil in the form of an aqueous solution of FeSO4 with five different concentrations (100, 200, 300, 400, and 500 mM). …”
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The Influence of pH Values on the Rheological, Textural and Release Properties of Carbomer Polacril^® 40P-Based Dental Gel Formulation with Plant-Derived and Synthetic Ac... by Yuliia Maslii, Olena Ruban, Giedre Kasparaviciene, Zenona Kalveniene, Anna Materiienko, Liudas Ivanauskas, Agne Mazurkeviciute, Dalia M. Kopustinskiene, Jurga Bernatoniene

“…The pH of formulations should correspond to the value of saliva pH (5.5–8.0). For carbomer-based gels, the required pH value is obtained by neutralizing them with alkaline components, which leads to their structuring (thickening). …”
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Phenolic compounds and antioxidant activity in Cucurbita ficifolia fruits, an underrated fruit by G. Moreno-Quiroga, J.E. Alba-Jiménez, E. N. Aquino-Bolaños, J. L. Chávez-Servia

“…Among populations preserved by traditional farmers, significant differences, and wide variability were found for all parameters evaluated (Huamelúlpam: SSC = 4.9–7.3, pH = 5.5–5.8, TS = 0.4–0.7, protein = 5.8–11.4, polyphenols = 1.9–4.8, flavonoids = 1.0–1.5, DPPH = 4.3–10.6, and FRAP = 4.8–11.8; Yanhuitlán: SSC = 4.3–8.9, pH = 4.8–5.6, TS = 0.4–0.7, protein = 5.0–15.3, polyphenols = 1.9–4.9, flavonoids = 0.8–1.9, DPPH = 5.3–10.5, and FRAP = 4.5–12.6). …”
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Histidine Protonation and Conformational Switching in Diphtheria Toxin Translocation Domain by Mykola V. Rodnin, Victor Vasques-Montes, Alexander Kyrychenko, Nuno F. B. Oliveira, Maithri M. Kashipathy, Kevin P. Battaile, Justin Douglas, Scott Lovell, Miguel Machuqueiro, Alexey S. Ladokhin

“…This replacement suppresses the acid-induced transition, resulting in the retention of a more stable protein structure in solutions at pH 5.5 and, consequently, in reduced membrane-disrupting activity. …”
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Ultrasound/Chlorine: A Novel Synergistic Sono-Hybrid Process for Allura Red AC Degradation by Oualid Hamdaoui, Slimane Merouani, Hadjer C. Benmahmoud, Meriem Ait Idir, Hamza Ferkous, Abdulaziz Alghyamah

“…A synergy index of 1.74 was obtained by the US/chlorine process for the degradation of ARAC (C₀ = 5 mg·L⁻¹) at pH 5.5 and [chlorine]₀ = 250 mM. The synergistic index increased by up to 2.2 when chlorine concentration was 300 µM. …”
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Elimination of Clogging of a Biogas Slurry Drip Irrigation System Using the Optimal Acid and Chlorine Addition Mode by Xuefeng Qiu, Jiandong Wang, Haitao Wang, Chuanjuan Wang, Yuechao Sun, Guangyong Li

“…Through a hydraulic performance test and sampling detection and analysis, under the same acid addition conditions (pH = 5.5–6.0), three chlorine addition concentrations (0, 1–3, and 4–9 mg/L) and four chlorine addition cycles (6, 10, 14, and 20 days) were tested, aimed to clarify the influence of acid and chlorine addition parameters (chlorine adding cycle, chlorine adding concentration, etc.) on the anti-clogging performance of emitters in biogas slurry drip irrigation system. …”
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PENGARUH FERMENTASI BUNGKIL INTI KELAPA SAWIT MENGGUNAKAN ISOLAT BAKTERI SELULOLITIK DARI BELALANG KEMBARA (Lokusta migratoria L.) DALAM PAKAN TERHADAP PENAMPILAN PRODUKSI PUYUH JA... by , ARIF PRANATA, , Prof. Dr. Ir. Lies Mira Yusiati, S.U.

“…The result showed the optimum bacterial growth was on pH 5.5, incubation temperature 30oC and days 2 incubation. …”

Acid-induced demineralisation of human enamel as a function of time and pH observed using X-ray and polarised light imaging by Harper, RA, Shelton, RM, James, JD, Salvati, E, Besnard, C, Korsunsky, AM, Landini, G

“…At pH 4.0, there was complete mineral loss in the centre of the demineralised area after the 3-week period and the linear function intercepted the x-axis at ~ pH 5.5, near the critical pH for hydroxyapatite (HAp). …”

Novel probiotic lactic acid bacteria isolated from indigenous fermented foods from West Sumatera, Indonesia by Harnentis, Yetti Marlida, Yuliaty Shafan Nur, Wizna Wizna, Melia Afnida Santi, Nadia Septiani, Frederick Adzitey, Nurul Huda

“…They survived at a pH level of 2.5 for 3 h (55.27-98.18%) and 6 h (50.98-84.91%). Survival in bile at a concentration of 0.3% was 39.90-58.61% and the survival rate was 28.38- 52.11% at a concentration of 0.5%. …”
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Production And Characterisation Of Low Sodium Hydrolysates From Defatted Soy Flour [Glycine Max (L.) Merr.] And Roselle Seed Flour (Hibiscus Sabdariffa L.) by Wong, Kam Huei

“…Protamex with RSF (RP) showed a pKa of 6. 49, while optimum conditions were at pH 5.5, 55°C, with 100 mg/ml enzyme at 3. 5% protein substrate concentration. …”
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Peatland fungi: identification, application in dye decolourization and bacterial inactivation in greywater by Mohammed, Efaq Ali Noman

“…The oxidative enzyme production was recorded with 20 g 100 mL -1 of inoculum size, at pH 5.5 and after 10 days, where 6.15, 2.58 and 127.99 U mg 1 , 4.6 mL/100 mL -1 of LAC, MnP and LiP was produced, respectively. …”
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Characterisation of deformation behaviour and damage progression of recycled aluminium alloy AA6061 by Ho, Choon Sin

“…The oxidative enzyme production was recorded with 20 g 100 mL -1 of inoculum size, at pH 5.5 and after 10 days, where 6.15, 2.58 and 127.99 U mg 1 , 4.6 mL/100 mL -1 of LAC, MnP and LiP was produced, respectively. …”
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Chromatographic reversed HPLC and TLC-densitometry methods for simultaneous determination of serdexmethylphenidate and dexmethylphenidate in presence of their degradation products—... by Khadiga M. Kelani, Ahmed M. W. Nassar, Gamal A. Omran, Samir Morshedy, Ahmed Elsonbaty, Wael Talaat

“…Isocratic separation was carried out on Waters X-bridge Shield RP18 column (150×3.9×5 μm particle size) using a mixture of 5 mM phosphate buffer (pH 5.5): acetonitrile (40:60, v/v) as a mobile phase, flow rate 1 mL/min and detection at 220 nm. …”
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Development of HPLC Determination Method for Trace Levels of 1-, 2-Nitropyrenes and 2-Nitrofluoranthene in Airborne Particulates and Its Application to Samples Collected at Noto Pe... by Kazuichi Hayakawa, Ning Tang, Kosuke Sato, Akihiko Izaki, Michiya Tatematsu, Hirotaka Hama, Ying Li, Takayuki Kameda, Akira Toriba

“…An ethanol mixture with acetate buffer (pH 5.5) was used in place of an acetonitrile mixture with the same buffer to activate the reducer column. …”
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Reduced blood-brain barrier penetration of acne vulgaris antibiotic sarecycline compared to minocycline corresponds with lower lipophilicity by Ayman Grada, James Q. Del Rosso, James Q. Del Rosso, Angela Y. Moore, Angela Y. Moore, Linda Stein Gold, Julie Harper, Giovanni Damiani, Giovanni Damiani, Giovanni Damiani, Katharina Shaw, Sabine Obagi, Raidah J. Salem, S. Ken Tanaka, Christopher G. Bunick, Christopher G. Bunick

“…In the octanol/water solvent system, sarecycline had a numerically lower lipophilicity profile than minocycline and doxycycline at pH 5.5 and 7.4.ConclusionThe reduced blood-brain penetrance and lipophilicity of sarecycline compared with other tetracyclines may explain low rates of vestibular-related adverse events seen in clinical trials.…”
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Toxicity and Toxin Composition of the Greater Blue-Ringed Octopus <i>Hapalochlaena lunulata</i> from Ishigaki Island, Okinawa Prefecture, Japan by Manabu Asakawa, Takuya Matsumoto, Kohei Umezaki, Kyoichiro Kaneko, Ximiao Yu, Gloria Gomez-Delan, Satoshi Tomano, Tamao Noguchi, Susumu Ohtsuka

“…Next, the toxin from the salivary glands was partially purified by a Sep-Pak C18 cartridge and an Amicon Ultra Centrifugal Filter with a 3000-Da cut-off, and analyzed by liquid chromatography-mass spectrometry (LC-MS) equipped with a &#966;2.0 &#215; 150-mm (5 &#956;m) TSKgel Amide-80 column (Tosoh, Tokyo, Japan) with a mixture of 16 mM ammonium formate buffer (pH 5.5) and acetonitrile (ratio 3:7, <i>v</i>/<i>v</i>) as a mobile phase. …”
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Skin-to-blood pH shift triggers metabolome and proteome global remodelling in Staphylococcus epidermidis by Luis Gafeira Gonçalves, Susana Santos, Laidson Paes Gomes, Jean Armengaud, Maria Miragaia, Ana Varela Coelho

“…Here we studied the impact of pH conditions, mimicking the skin pH (5.5) and blood pH (7.4), in a S. epidermidis commensal strain by means of next-generation proteomics and 1H NMR-based metabolomics. …”
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A promising microbial α-amylase production, and purification from Bacillus cereus and its assessment as antibiofilm agent against Pseudomonas aeruginosa pathogen by Amal M. Abo-Kamer, Ibrahim S. Abd-El-salam, Faten A. Mostafa, Abd-El-Rahman A. Mustafa, Lamiaa A. Al-Madboly

“…The best physical parameters affecting the enzyme production were incubation time at 35 °C, and pH 5.5 for 48 h. The partially purified enzyme with 60% ammonium sulphate saturation with 1.38- fold purification showed good stability characteristics at a storage temperature of 4 °C and pH up to 8.5 for 21 days. …”
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Study of modified biomass of Gossypium hirsutum as heavy metal biosorbent by Zeeshan Ali, Muhammad Sajid, Nadeem Raza, Younas Sohail, Muhammad Hayat, Suryyia Manzoor, Nasir Shakeel, Komal Aziz Gill, Ahmad A. Ifseisi, Mohd Zahid Ansari

“…The findings of the study revealed that acid and base modified Gossypium hirsutum stem could be efficiently utilized as a biosorbent for the removal of heavy metals in water at pH 5.5 with an adsorbent dose of 0.5 g and equilibrium time of 35 min.…”
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Poly (safranine) modified carbon paste electrode as a sensor for the determination of fenitrothion pesticide by Ibrahim Shibl El-Hallag, Youssef Ibrahim Moharram, Sameh Mahmoud Selim

“…Where, the pHs of the determining medium were varied from pH 5.5 to pH 8 using phosphate buffer. It was observed that the most identified peak current was at pH.6 which is then decreased gradually until it completely disappeared at pH 8. …”
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