pH - Science topic

The indolenine styrylcyanine dye and its carboxyl-labeled derivative were synthesized using condensation of the corresponding indolenines with 4-(dimethylamino) benzaldehyde in the presence of an alkaline catalyst. The spectral-luminescent properties of studied dyes in organic solvents, the aqueous solution (pH 7.9), and the presence of different b...

Alkali-activated slags (AASs) are often reported to exhibit fast settings, undermining their utilisation as sustainable binders from a technological point of view. Although gypsum was shown in previous studies to change the setting time of AASs, understanding the mechanism behind the changes in the reactivity and microstructure of the AASs in the p...

This study aimed to investigate the impact of pig breed on stress levels and meat quality in two commercial pig farms in the north-eastern part of Romania. One farm raised 52 Mangalita pure-bred pigs and the other 82 Duroc x Landrace crossbred pigs. Serum cortisol, a biomarker of stress, and serum glucose were measured before and after slaughtering...

"The corrosion protection effect of the new S-1 reagent in media with the pH values of 2.0, 4.0, 6.0, as well as carbon dioxide and hydrogen sulfide added separately and combined to the mentioned media, was first tested under laboratory conditions. The protective effect of reagent S-1 was weak in the corrosion medium without hydrogen sulfide and ca...

Dependence on external raw materials, the high cost of fertilizers, and the search for more sustainable alternatives have encouraged research with remineralizers. This study aimed to evaluate the effect of adding remineralizers associated or not with a bioactivator on pH, H+Al, Al, P, and K in two soils after four incubation times. A completely ran...

The present study was conducted to determine the effect of whey protein concentrate (WPC) addition on the commercial low-fat cream's chemical, rheological and sensory properties. WPC was added to the low-fat cream (10% fat) in ratios of 1.0, 2.5, and 5.0% to represent the treatments C1, C2, and C3, respectively.In addition, a fat-rich, positive con...

The dinoflagellate Prorocentrum triestinum forms high biomass blooms that discolor the water (red tides), which may pose a serious threat to marine fauna and aquaculture exploitations. In this study, the algicidal effect of a bacterial strain (0YLH) belonging to the genus Shewanella was identified and evaluated against P. triestinum. The algicidal...

Electronic detection of pH is a promising field for the efficient detection of biological substances. The presence of such substances can be used to detect many crucial parameters. With the advancement of nanotechnology, device engineering, and its fabrication is tremendously achieving heights. The paper discusses the ion-sensitive pH sensor by con...

The present study was conducted to determine the effect of whey protein concentrate (WPC) addition on the commercial low-fatcream's chemical, rheological and sensory properties. WPC was added to the low-fat cream (10% fat) in ratios of 1.0, 2.5, and5.0% to represent the treatments C1, C2, and C3, respectively.In addition, a fat-rich, positive contr...

MISDAN TOZALANGAN ERITMA TARKIBIDAN NIKELNI KARBONAT KО'RINISHIDA CHО'KTIRISH Sh.B.О'razaliyev-1b-21 Met guruhi talabasi, O.N.Boltayev-TDTU OF dotsenti Dunyoda bugungi kunda texnologik eritmalardan qimmatli komponentlarni selektiv ajratib olish usullarining mavjudligiga qaramay, ularda muammo qisman hal qilingan va ma'lum kamchiliklarga ega, mis va...

Os nutrientes N e K são fundamentais para aumentar a produtividade e melhorar a qualidade dos frutos do morangueiro. Contudo, as doses desses nutrientes aplicadas via fertirrigação são definidas majoritariamente pela experiência de cultivo. O objetivo do presente estudo foi determinar a combinação de doses de N e K2O, aplicadas via fertirrigação na...

Molecular hydrogen (H2) is produced by human colon microbiomes and exhaled. End-tidal H2 sampling is a simple method of measuring alveolar H2. The logarithm of the hydrogen ion (H⁺)/H2 ratio suggests the electrode potential in the solution according to the Nernst equation. As pH is defined as the negative logarithm of the H⁺ concentration, pH2 is d...

Tra i minerali di grotta i fosfati, gene-ralmente correlati alla presenza di gua-no e/o ossa rappresentano il secondo composti (Audra et al., 2019). Nono-di tutto il mondo, solo di rado formano concrezionamenti ben sviluppati, costi-tuiti essenzialmente da un solo mine-rale: l'idrossiapatite (Ca 5 (PO 4) 3 OH). Lo studio dei processi che sovrintend...

The study is concerned with the adsorption of toluene from real wastewater using granular beads of activated carbon. The adsorbent was analyzed before and after the process using Scanning Electron Microscope analysis to characterize its surface characteristics. The adsorption parameters including solution pH, contact time, dosage of adsorbent, temp...

Knowing that the water used for drinking is the most important product in our life, but its greatest importance comes as a result of the fact that water is present in higher quantities in all food products. To establish the quality and safety of water, it undergoes a series of essential assessments including sensory, physical, chemical, and microbi...

The structure of Mn3O4 with an octahedron structure was similar to that of LiMn2O4, and the lithium manganate prepared with it had good electrochemical performance. During the preparation of octahedron Mn3O4, the effects of the pH regulator, temperature, and reaction pH on its morphology, specific surface area, and other properties were studied in...

Heavy metal pollution has attracted increasing concern due to its high toxicity and persistence. A suitable extraction procedure for available heavy metals in soil is necessary for assessing the ecological risk. In this work, the single extraction methods aided by shaking and microwaves were investigated and analyzed for their ability to extract av...

Evaluación de hortalizas de frutos y ornamentales regados con agua residual tratada de la ciudad de Calama y agua del río Loa cultivado bajo invernadero pasivo en dos formatos de cultivos sin suelo - sacos de fibra de coco y canaletas con mezcla de turba + perlita = 50:50. Se utilizó para la producción de agua de riego un filtro de carbón activado...

المستخلص يهدف البحث الى معرفة الخصائص الفيزيائية والكيميائية للتربة من جهة والوصول إلى فهم افضل لمعرفة سلوك التربة وتأثيرها في المحيط البيولوجي من جهة اخرى , ان الخصائص الفيزيائية والكيميائية المدروسة تؤثر بشكل كبير في الانتاج الزراعي, إذ أنَّ تلوث التربة يؤدي الى قلة الانتاج لذا أصبح من الضروري ولأجل تحقيق انتاج زراعي وفير لابد أن يسبق ذلك دراسة ت...

Artan nüfus ve gelişen teknolojiyle birlikte Dünya genelinde tedavi amaçlı antibiyotik kullanımı oldukça fazladır. Buna bağlı olarak vücutta metabolize olmadan atılan antibiyotik kalıntıları atık sulara karışmakta ve ekolojik olarak büyük bir çevre sorunu haline gelmektedir. Bu çalışmada tetrasiklin grubu antibiyotiklerden biri olan oksitetrasiklin...

Doxycycline (DC) is an antibiotic that exists in the environment and urgently needs to be effectively removed. Herein, the light/BiVO4@Ag2O/H2O2 system and light/BiVO4@Ag2O system were constructed to achieve effective degradation of DC. Under the same degradation conditions, the efficiency and mechanism of two systems on DC degradation were compare...

The use of Inappropriate amount of fertilizers and wrong crop selection not only negatively impacts crop quality, yields but also incurs excessive financial burden on farmers as well as affects food chain .The project employs a cloud-based machine learning model to offer farmers crop and fertilizer recommendations. Data from a soil device, measurin...

O efluente gerado no processo de impressão por sublimação, apresenta composição complexa com ampla gama de contaminantes recalcitrantes e tóxicos, além de elevada turbidez, cor e demanda química de oxigênio (DQO). Portanto, este trabalho teve como objetivo, a avaliação da eficiência na redução de DQO, cor e turbidez de efluente gerado através da au...

Nighttime and non-working days are characterized by a shortage of dedicated staff and available resources. Previous studies have highlighted that patients admitted during the weekend had higher mortality than patients admitted on weekdays (“weekend effect”). However, most studies have focused on specific conditions and controversial results were re...

The main aim of this work was to develop a suitable sorbent for the separation and determination of ²²⁶ Ra through ¹³³ Ba (radio tracer) in water samples using fly ash sorbent. After the modification with KMnO 4 the effects of pH, competing ions, the possibility of elution, and the effect of water volume were tested. As a suitable eluent 6 mol/L HC...

This study investigates the hydrophobic aggregation of fine quartz particles through shear flocculation induced by dodecylamine in aqueous solutions. The effect of stirring speed, collector concentration, flocculation time, and pH were investigated. The results showed that the impact of stirring speed on particle aggregation in the absence of a col...

Fumed silica was functionalized by piperazine followed by the reaction with 2- naphthalenesulfonyl chloride to prepare Fumed-Si-Pr-Piperazine-Naphthalenesulfonyl chloride (Fumed-Si-Pr-PNS), which was characterized to demonstrate the effective attachment on the surface of fumed silica. The optical sensing ability of Fumed-Si-Pr-PNS was studied via d...

Muehlenbeckia volcanica (Benth) es una planta medicinal silvestre, se encuentra en la categoría de especie amenazada, además el fruto presenta propiedades tintóreas por lo cual es utilizada desde épocas prehispánicas por la población andina, sin embargo son escasas las investigaciones sobre su composición química, por lo que el objetivo de la prese...

Ni and Co have been listed as critical energy metals for a sustainable economic development by several government agencies. Ni-Co laterite deposits are among the first resources of both metals in the world. The correct identification of Ni-and Co-bearing mineral phases is essential to increase the efficiency of extraction of both metals in these de...

Using physical activation, a new composite adsorbent was prepared by modifying low-cost local adsorbent. This low-cost local adsorbent was also prepared from activating sludge, bentonite, and limestone (SBL). In comparison to the low-cost LCL, the adsorption capacity of the new composite adsorbent was improved. This was measured in terms of its abi...

El estudio de los ejemplares del género Cerastoderma Poli, 1795 conservados en los lodos de una antigua laguna litoral (Estany de Son Xoriguer) destruida en la década de los años 70 del siglo XX, ha permitido identificar dos taxones diferentes: Cerastoderma glaucum lamarckii (Reeve, 1813) y Cerastoderma glaucum paludosa (Bucquoy, Dautzenberg et Dol...

Increased atmospheric carbon dioxide concentrations are causing greater dissolution of carbon dioxide into the estuarine water, which is the key factor behind today's ongoing ocean acidification and subsequent compartmentation of heavy metals in the system. We conducted a long term survey on temporal variation of pH and its impact on heavy metals i...

Et ve et ürünlerinde metabolik değişiklikler ve mikrobiyal bozulma, raf ömrünün kısa olması neden olmaktadır. Et ürünleri korumak amacıyla çeşitli özelliklere sahip (antioksidan, antimikrobiyal, vs.) aktif bileşenler eklenmesi gerekmektedir. Son yıllarda bu konuda nanoteknoloji kullanarak farklı kombine sistemler incelenmiştir. Bitkilerden, hayvanl...

Hydroxyapatite (HAP) is a material renowned for its exceptional capabilities in adsorbing and exchanging heavy metal ions, making it a widely employed substance within the environmental domain. This study aims to present a novel material, namely copper–HAP (Cu–HAP), which was synthesized via an ion exchange method. The resulting material underwent...

Production of lipases by three thermophilic fungi, Thermomyces lanuginosus, Talaromyces luteus and Rhizomucor pusillus was investigated, influence of substratum, pH, temperature, carbon and nitrogen sources on lipase production was also studied. All the three fungi under study produced good amount of lipase constitutively. Lipase production was max...

Fluoride contamination in groundwater may pose serious health issues. Among all the technologies, adsorption is considered to be highly efficient and is widely used for remediation in environment. In the present study, copper oxide nanoparticles (CuO) were synthesized by chemical precipitation method and used as adsorbent. The study intends to exam...

In this work, a novel support for an iron-based catalyst was prepared and employed for Ponceau 4R degradation by photo-Fenton reaction. To this, poultry waste was used for producing char, which was subsequently used to prepare the Fe2O3/Char composite. Process parameters, including catalyst dosage, pH, and hydrogen peroxide concentration, were inve...

O pinhão é um alimento de grande importância econômica e gastronômica no Brasil, mas com dificuldade de conservação pós-colheita. No presente estudo avaliou-se as características dos pinhões armazenados no ambiente doméstico, utilizando-se embalagens de polietileno (PEBD) e juta, sob temperatura ambiente ou refrigeração. Foram realizadas análises,...

Background: Protecting the bacteria contained in probiotics against the effects of low pH is one of the key issues for the development and production of such products. In earlier research we demonstrated that the inactivation of bacteria in probiotics by low pH can be prevented by an effective enteric coating formulation of the product.

Di Desa Sumberarum, Kecamatan Tempuran, Magelang, Jawa Tengah terdapat kemunculan mata air panas. Penelitian dilakukan untuk mengidentifikasi karakteristik fisika-kimia dan kandungan kimiawi air tanah dengan maksud untuk menentukan model konseptual sistem akuifer di daerah penelitian berdasarkan hidrokimia. Observasi hidrogeologi dan pengambilan sa...

The effect of pH on the inhibition performances of Al 3+ on mild steel corrosion in Cl-aqueous solution has been investigated by immersion tests and electrochemical tests. Immersion tests results showed that the rate of corrosion in higher pH solution was decreased as compared to the lower and intermediate pH. Scanning electron microscopic observat...

vod Součástí výzkumného jaderného reaktoru LVR-15 (Centrum výzkumu Řež) v České republice jsou prostory (nádrže), v nichž se v demineralizované vodě skladuje ozářený materiál, dokud není rozebrán na menší části a nakonec uložen. Vzhledem k tomu, že dochází ke korozi skladovaného materiálu, negativně to ovlivňuje parametry demineralizované vody. To...

Purpose The effect of monovalent (Na⁺ and K⁺) and divalent (Ca²⁺, Mg²⁺, and Zn²⁺) metal ions combined with citrate or acetate buffers (pH 4.5) on the stability of dalbavancin in aqueous solutions was investigated. Method RP-HPLC and HP-SEC were used to evaluate the stability of aqueous solutions of dalbavancin in different combinations of buffers...

Efficient pH and dissolved CO 2 conditions for indoor (50–450 mL scale) and outdoor (100–500 L scale) culture of a green alga BX1.5 strain that can produce useful intracellular lipids and extracellular polysaccharides were investigated for the first time in Parachlorella sp. The cultures harvested under 26 different conditions were analysed for pH,...

Jagung disebut salah satu komoditas unggulan daerah Jamin Ginting, Medan Tuntungan, Sumatera Utara. Penelitian ini untuk mengetahui apakah hemiselulosa dapat digunakan sebagai bahan dasar hidrogel dan untuk mendapatkan konsentrasi formulasi hidrogel terbaik dari kombinasi hemiselulosa pada tongkol jagung (Zea mays L.) dengan karbopol 940 sebagai se...

In this study, three series of polydentate N,O-ligands possessing unsymmetrical urea fragments attached to a p-cresol scaffold are obtained, namely mono- and bi-substituted open-chain aromatics, synthesised using a common experiment, as well as fused aryloxazinones. Separate protocols for the preparation of each series are developed. It is found th...

Karonda is an indigenous berry fruit known for its unique sour taste and high nutritional value. The lack of awareness portrays the fruit as undervalued and neglected, despite its vast nutritional benefits. The study aimed to explore the physicochemical properties of fresh and dried karonda fruit and its application in formulating a jam product. Th...

Bu çalışmada, farklı kullanım amaçlarına sahip toprakların bazı fiziksel ve kimyasal özelliklerinin incelenmesi ve karbon depolama kapasitelerinin belirlenmesi amaçlanmıştır. Bu amaçla mera, orman, sulu tarım, kuru tarım ve kullanılmayan alanlarda gerçekleştirilen ölçümlerde kullanım alanlarına göre toprak pH'larının önemli ölçüde farklılık gösterd...

One important goal of the current Fenton-like catalysts is to develop highly efficient and pH-universal catalysts that can operate with little performance degradation over multiple recycles. Herein, we report a ternary MoCoB metallic glass (MG) microwire catalyst, which shows exceptional Fenton-like activity for degrading various dyes in a wide pH...

El trabajo consistió en valorizar ecológicamente el aceite reusado para la elaboración de biocombustible. La metodología del estudio es triangular, para los análisis cualitativos se elaboró un instrumento con un nivel de 87.9% confiabilidad. La muestra fue de 389 participantes. Los resultados cuantitativos indican que la valoración ecológica del ac...

Correction for 'Voltammetric pH sensor based on electrochemically modified pseudo-graphite' by Haoyu Zhu et al., Analyst, 2020, 145, 7252-7259, https://doi.org/10.1039/D0AN01405B.

Pupuk merupakan bahan-bahan yang mengandung satu atau lebih zat senyawa yang dibutuhkan oleh tanaman untuk tumbuh dan berkembang. Selain dibutuhkan oleh tanaman pupuk juga bertujuan untuk memperbaiki sifat fisika, kimia dan biologis tanah. Penelitian ini bertujuan untuk memanfaatkan air cucian beras yang banyak dibuang begitu saja dan tidak dimanfa...

Penelitian dengan judul Pembuatan Surfaktan Metil Ester Sulfonate Dari Minyak Kelapa (Virgin Coconut Oil) Dengan Proses Sulfonasi. Penelitian ini dilakukan untuk mengetahui konsentrasi dan suhu terbaik terhadap hasil surfaktan metil ester mes dari minyak kelapa. Surfaktan merupakan bahan pembasahan yang menurunkan tegangan permukaan suatu cairan da...

There are various reasons for drug failure in the developmental stage including toxicity, adverse effects and inefficacy. This is likely due to the differences in drug behavior between a simple and controlled cell culture system to that of a more complex whole organism environment. While the use of human phenotypical cells relevant to the condition...

Limbah padat hasil penyulingan minyak nilam banyak dijumpai diindustri penyulingan minyak nilam terutama dikota Lhokseumawe. Besarnya volume limbah padat penyulingan nilam belum termanfaatkan secara optimal. Dengan memanfaatkan limbah tersebut menjadi produk yang berguna dan mempunyai nilai tambah yang nyata. Keberadaan limbah padat nilam sangat be...

As características climáticas do semiárido favorecem o surgimento de problemas de salinização do solo especialmente em áreas de agricultura irrigada. O diagnóstico e monitoramento das condições de salinidade do solo tornam-se necessários, como forma de se conhecer tais problemas, estabelecendo parâmetros de cultivo e de controle de salinização [......

Pomade adalah salah satu inovasi produk kosmetik rambut yang berbentuk padat dengan aroma yang harum karena ditambahkan oil essential. Tujuan membuat produk Pomade terbaik berdasarkan parameter proses terhadap suatu produk yang dihasilkan. Metode yang digunakan dalam pembuatan pomade pada penelitian ini yaitu menggunakan metode panas. Penelitian in...

Currently, mining operations in Peru, such as in the province of Pasco, require water consumption for metallurgical mining processes, supply for personnel, among other operations. The purpose of this study is to determine whether the mining company located in Cerro de Pasco has reduced its pH values over the years and whether they are within the Ma...

Long-term application of nitrogen (N) fertilizer adversely degrades soil and decreases crop yield. Biochar amendment with N fertilizer not only can increase yield but also can improve the soil. A 3-year field experiment was conducted to determine the effect of biochar doses with N fertilizer on maize yield and soil N and water dynamics under border...

Desa Banjarwaru adalah salah satu sentra industri kerajinan anyaman bambu, telah menciptakan berbagai inovasi-inovasi terbaru terhadap kerajinan anyaman bambunya. Namun, Petani tetaplah menjadi mata pencaharian utama penduduk. Meskipun, permasalahan pertanian di desa ini adalah tingkat kesuburan tanah yang rendah (kadar pH rendah), sehingga pemberi...

At a time of diminishing clinical skills and diagnostic endeavours for clinicians worldwide, a method of rapid automated microscopy coupled with pH measurement is introduced with early clinical success results in women with common vulvovaginal symptoms facilitating rapid diagnosis and enhanced therapeutic measures.

O autor recomenda um método colorimétrico para medir a atividade da desidrogenase lática (LDH) em 0,1 ml de soro baseado na reação lactato + DPN à pyruvate +\ DPNH2 em pH 10 tampão glicina.

A fronteira Amazônica do Brasil e da Colômbia é caracterizada pela intensa circulação de pessoas, produtos e serviços nos últimos anos. As cidades de Tabatinga e Letícia têm crescido nos últimos anos de forma acentuada, sem qualquer planejamento territorial no que diz respeito à rede de drenagem urbana. O objetivo deste estudo é explicitar as condi...

Climate changes caused by anthropogenic actions can directly and indirectly affect living beings, including parasites and their hosts. Changes such as water temperature, pH, distribution of nutrients in the aquatic environment are some examples that can interfere with the fish community, whether in open water or in production systems. In this revie...

In the present study, cellulase has been immobilized by two different methods of entrapment viz. encapsulation in calcium alginate and matrix entrapment in agar. The calcium alginate encapsulated beads showed an immobilization efficiency of 92.11% and agar entrapped cubes showed an immobilization efficiency of 97.63%. The free cellulase was found t...

El color de los alimentos es uno de los primeros atributos percibidos por el consumidor y se lo asocia con el sabor y el estado de conservación. La reacción de Maillard es un proceso complejo que genera colores en la gama del amarillento hasta marrón oscuro, aromas y sabores, característicos de alimentos cocidos que contienen hidratos de carbono y...

Penelitian yang dilakukan adalah penggunaan pakan suplemen (PS) yang mengandung serbuk kulit nenas SKN) yang ditambah mineral Zn sebanyak 25 ppm dan mineral Cu sebanyak 10 ppm sebagai sumber antioksidan untuk meningkat kecernaan secara in vitro. Dalam penelitian ini menggunakan kambing perah peranakan etawah laktasi kedua dengan produksi susu rata-...

hexadecyltrimethylammoniumbromide) HDTMA-Br ‫اﻟﺗﺑﺎدل‬ ‫ﺳﻌﺔ‬ ‫وﺣددت‬ ،() ‫اﻟﺧﺎم‬ ‫ﻟﻠﺑﯾﻠون‬ ‫اﻟﻛﺎﺗﯾوﻧﯾﺔ‬ 0.6 mmol c .g-1) ‫ﺳطﺢ‬ ‫ﻟﺗﻌدﯾل‬ ‫اﻟﻼزﻣﺔ‬ ‫اﻷﻣﯾﻧﺎت‬ ‫ﻛﻣﯾﺔ‬ ‫إﻟﻰ‬ ‫ﺿﺎﻓﺔ‬ َ ‫ﺑﺎﻹ‬ ،(1 g ‫ﻣن‬ () ‫ـف‬ ‫ـ‬ ‫ـ‬ ‫طﯾ‬ ‫ﻧﺔ‬ ‫ﻣﻘﺎر‬ ‫وﺗﻣت‬ ‫اﻟﺗﻌدﯾل‬ ‫ﻋﻣﻠﯾﺔ‬ ‫ﯾت‬ ‫أﺟر‬ ‫اﻟﺑﯾﻠون.‬ IR ‫در‬ ‫ـل.‬ ‫ـ‬ ‫اﻟﺗﻌدﯾ‬ ‫وﺑﻌد‬ ‫ﻗﺑل‬ (‫ـﺎس‬ ‫ـ‬ ‫ـ‬ ‫اﻟﺗﻣ‬ ‫زﻣن‬ ‫ﻣن‬ ً ‫ﻛ...

El presente estudio tuvo como objetivo evaluar la inclusión de mucilago de cacao nacional como estabilizante en néctar de jackfruit. Para el cual, se utilizó un Diseño Completamente al Azar, donde el factor en estudio fue las distintas concentraciones de mucílago (5, 10 y 15 %). Se evaluó características físico-químicos (°Brix, pH y acidez titulabl...

The objective of this research is to remove Total Petroleum Hydrocarbon (TPH) contained in crude oil by utilizing Acetobacter tropicalis and Lactobacillus casei bacteria consortium through degradation process. Crude oil degradation was conducted on Stone Mineral Salt Solution (SMSS) liquid media and artificial sea water in a controlled environment...

Bacillus amyloliquefaciens (BAM) was the primary spoilage bacteria in instant wet noodles (IWNs), so reducing BAM spores was crucial to extending shelf-life. This study proposed a strategy combining spore germination (SG) and lactic acid (LA) treatment for the shelf-life extension of IWNs. In liquid culture medium, L-histidine was an efficient germ...

Gangguan kesehatan mulut yang sering menyerang manusia adalah gingivitis yang disebabkan karena plak gigi. Streptococcus mutans merupakan bakteri penyebab plak gigi. Buah delima merah merupakan salah satu tanaman yang memiliki aktivitas sebagai antibakteri. Salah satu sediaan yang dapat diformulasikan untuk penggunaan pada gigi adalah pasta gigi. T...

This research included a spectroscopic study of the effect of the pH function on the thermodynamics of the formation of the two colored Azo-dyes prepared from the interaction of paracetamol with two different diazotized reagents at three acidic media: acidic, neutral and basic, at a constant temperature (288K). The optimal conditions for each prepa...

Ocean acidification is caused by rising atmospheric partial pressure of CO2 (pCO2) and involves a lowering of pH combined with increased concentrations of CO2 and dissolved in organic carbon in ocean waters. Many studies investigated the consequences of these combined changes on marine phytoplankton, yet only few attempted to separate the effects o...

Objetivo. Evaluar el efecto del biocarbón enriquecido con bioproducto IHPLUS® BF en indicadores físico-químicos del suelo y morfo-fisiológicos de morera (Morus alba) y sorgo (Sorghum bicolor). Materiales y métodos. Se evaluaron sustratos basados en suelo mezclado con biocarbón de morera, marabú (Dicrostachys cinerea) o bagazo de caña de azúcar (Sac...