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1. Starch granules as active guest molecules or microorganism delivery systems

Author:
Qi, Xin; Tester, Richard F.
Source:
Food chemistry 2019 v.271 pp. 182-186
ISSN:
0308-8146
Subject:
granules; starch granules,   etc   ; active ingredients; amylases; drugs; encapsulation; microorganisms; nutrients;     Show all 8 Subjects
Abstract:
... Starch granules contain an internal channel structure that can be used to encapsulate and deliver active ingredients such as nutrients, drugs, chemicals and microorganisms. Nature creates a broad range of starch granule sizes and compositions in different plants and this range of encapsulation matrices provides a great deal of commercial opportunity. Starch granules can be utilised for encapsulati ...
DOI:
10.1016/j.foodchem.2018.07.177

2. Microbiome involved in anaerobic hydrogen producing granules: A mini review

Author:
Pugazhendhi, Arivalagan; Kumar, Gopalakrishnan; Sivagurunathan, Periyasamy
Source:
Biotechnology reports 2019 v.21 pp. e00301
ISSN:
2215-017X
Subject:
granules,   etc   ; biotechnology; fermentation; hydrogen; microbiome;     Show all 5 Subjects
Abstract:
... This mini review overviewed the latest updates on the anaerobic hydrogen fermentation using the granulation technology and the microbiome involved in the process. Additionally, the implication of various reactor design and their microbial changes were compared and provided the new insights on the role of microbiomes for rapid granules formation and long term stable operation in a continuous mode o ...
DOI:
10.1016/j.btre.2018.e00301

3. Dynamic characteristics of soluble microbial products in a granular sludge reactor

Author:
Xie, Wen-Ming; Qiao, Li-Li; Fang, Fang; Li, Wen-Wei; Meng, Han; Wang, Guo-Xiang; Zhang, Li-Min
Source:
Journal of cleaner production 2019 v.212 pp. 576-581
ISSN:
0959-6526
Subject:
granules,   etc   ; bioreactors; polysaccharides; sludge; wastewater treatment;     Show all 5 Subjects
Abstract:
... Soluble microbial products constitutes a major fraction of organic matters in biological wastewater treatment effluent, severely challenging downstream deep purification treatment processes. Effective control of soluble microbial products necessitate a full understanding on soluble microbial products properties in biological bioreactors, including the rapidly developing aerobic granular sludge sys ...
DOI:
10.1016/j.jclepro.2018.12.082

4. Effect of movement direction on resistance force in granular media

Author:
Liu, Chuanping; Wan, Hongmei; Wang, Li
Source:
Powder technology 2019 v.344 pp. 545-550
ISSN:
0032-5910
Subject:
granules,   etc   ; gravity; mathematics and statistics; powders;     Show all 4 Subjects
Abstract:
... In this study, a cylinder is horizontally immersed in granular media and moved toward different directions. The cylinder experiences a maximum force (Fm) when plunging downward and a minimum force when pulling upward. As the cylinder moves angularly, the force (F) gradually decreases with increasing angle between the cylinder movement direction and gravity (θ). F/Fm behaves similar to a Boltzmann ...
DOI:
10.1016/j.powtec.2018.12.023

5. Role of adding dried sludge micropowder in aerobic granular sludge reactor with extended filamentous bacteria

Author:
Liu, Jun; Li, Jun; Xie, Kai; Sellamuthu, Balasubramanian
Source:
Bioresource technology reports 2019 v.5 pp. 51-58
ISSN:
2589-014X
Subject:
granules,   etc   ; bacteria; municipal wastewater; pollution control; sludge;     Show all 5 Subjects
Abstract:
... This work investigated the extended filamentous bacteria and role of sludge micropowder (prepared from dried municipal wastewater sludge) addition in an aerobic granular sludge-sequencing batch reactor (AGS-SBR). Type 021N strain is one of the dominant extended filaments and remarkably diminished after micropowder addition. Then, sludge volume index (SVI5) value decreased from 172 to 44 mL/g. Micr ...
DOI:
10.1016/j.biteb.2018.12.002

6. Tailored granule properties using 3D printed screw geometries in twin screw granulation

Author:
Pradhan, Shankali U.; Zhang, Yiyun; Li, Jiayu; Litster, James D.; Wassgren, Carl R.
Source:
Powder technology 2019 v.341 pp. 75-84
ISSN:
0032-5910
Subject:
granules,   etc   ; cost effectiveness; equipment design; powders; prototypes;     Show all 5 Subjects
Abstract:
... Twin screw granulation is becoming increasingly relevant due to its compact size, continuous and robust mode of operation, customizable design, and flexible production capacity. This work describes the experimental study undertaken to understand the dependence of granule properties on the screw element design in a twin screw granulator. A CAD geometry analysis of the free volume in the granulator ...
DOI:
10.1016/j.powtec.2017.12.068

7. Effects of starch granules differing in size and morphology from different botanical sources and their mixtures on the characteristics of Pickering emulsions

Author:
Saari, Hisfazilah; Rayner, Marilyn; Wahlgren, Marie
Source:
Food hydrocolloids 2019 v.89 pp. 844-855
ISSN:
0268-005X
Subject:
granules; starch granules,   etc   ; droplet size; droplets; emulsifying; emulsions; hydrocolloids; oat starch; oats; particle size; waxy corn;     Show all 11 Subjects
Abstract:
... The aim of this work was to investigate how mixtures of starch granules of different size and shape from different botanic sources affect starch-stabilized Pickering emulsions, and to understand which type of granules that dominate at the interface of the emulsion droplets. Pickering emulsions were prepared by combining quinoa starch with waxy maize or oat starch. The effects of the individual sta ...
DOI:
10.1016/j.foodhyd.2018.11.063

8. Starch granules: a data collection of 40 food species

Author:
Gismondi, Angelo; D’Agostino, Alessia; Canuti, Lorena; Di Marco, Gabriele; Basoli, Francesco; Canini, Antonella
Source:
Plant biosystems 2019 v.153 no.2 pp. 273-279
ISSN:
1724-5575
Subject:
granules; starch granules,   etc   ; amylose; food plants; food quality; scanning electron microscopy;     Show all 6 Subjects
Abstract:
... A collection of starch granules synthesized in 40 food plants was assembled. After extraction and purification, samples were subjected to optic and scanning electron microscopy investigations. Detailed images and descriptions of the starch granules are provided, evidencing all their morphological and structural features. In particular, shape, size, position and visibility of the hilum, organizatio ...
DOI:
10.1080/11263504.2018.1473523

9. Characterisation of sorghum starch granules using SAXS: effects of moisture on crystallinity and structure

Author:
Subzwari, Sana; Bryant, Gary; Small, Darryl M.
Source:
International journal of food science & technology 2019 v.54 no.3 pp. 744-751
ISSN:
0950-5423
Subject:
granules; starch granules,   etc   ; crystal structure; ingredients; small-angle X-ray scattering; sorghum flour;     Show all 6 Subjects
Abstract:
... In order to further characterise sorghum starch as a potential ingredient in food formulations, starch granules have been extracted from sorghum flour and characterised. The lamellar structure of granules and the uptake of water under ambient conditions have been investigated using small‐angle X‐ray scattering (SAXS). The lamellar structure was affected by the uptake of water and crystallinity was ...
DOI:
10.1111/ijfs.13989

10. What keeps polyhydroxyalkanoates in bacterial cells amorphous? A derivation from stress exposure experiments

Author:
Sedlacek, Petr; Slaninova, Eva; Enev, Vojtech; Koller, Martin; Nebesarova, Jana; Marova, Ivana; Hrubanova, Kamila; Krzyzanek, Vladislav; Samek, Ota; Obruca, Stanislav
Source:
Applied microbiology and biotechnology 2019 v.103 no.4 pp. 1905-1917
ISSN:
0175-7598
Subject:
cytoplasmic granules; granules,   etc   ; bacteria; crystallization; drying; plasticizers; polyhydroxyalkanoates; prokaryotic cells; thermodynamics;     Show all 9 Subjects
Abstract:
... Polyhydroxyalkanoates (PHA) are storage polymers accumulated by numerous prokaryotes in form of intracellular granules. Native PHA granules are formed by amorphous polymer which reveals considerably higher elasticity and flexibility as compared to crystalline pure PHA polymers. The fact that bacteria store PHA in amorphous state has great biological consequences. It is not clear which mechanisms p ...
DOI:
10.1007/s00253-018-09584-z

11. PII1: a protein involved in starch initiation that determines granule number and size in Arabidopsis chloroplast

Author:
Vandromme, Camille; Spriet, Corentin; Dauvillée, David; Courseaux, Adeline; Putaux, Jean‐Luc; Wychowski, Adeline; Krzewinski, Frédéric; Facon, Maud; D'Hulst, Christophe; Wattebled, Fabrice
Source:
Thenew phytologist 2019 v.221 no.1 pp. 356-370
ISSN:
0028-646X
Subject:
granules; starch granules,   etc   ; Arabidopsis thaliana; amylopectin; chloroplasts; leaves; loci; mutants; starch synthase; two hybrid system techniques;     Show all 10 Subjects
Abstract:
... The initiation of starch granule formation is still poorly understood. However, the soluble starch synthase 4 (SS4) appears to be a major component of this process since it is required to synthesize the correct number of starch granules in the chloroplasts of Arabidopsis thaliana plants. A yeast two‐hybrid screen allowed the identification of several putative SS4 interacting partners. We identifie ...
DOI:
10.1111/nph.15356

12. Rapid granulation of aerobic granular sludge: A mini review on operation strategies and comparative analysis

Author:
Zhang, Yihao; Dong, Xiaochuan; Nuramkhaan, Marjangul; Lei, Zhongfang; Shimizu, Kazuya; Zhang, Zhenya; Adachi, Yasuhisa; Lee, Duu-Jong; Tay, Joo Hwa
Source:
Bioresource technology reports 2019 v.7 pp. 100206
ISSN:
2589-014X
Subject:
granules,   etc   ; activated sludge; cations; coagulants; selection pressure; wastewater treatment;     Show all 6 Subjects
Abstract:
... Due to its overwhelming advantages, aerobic granular sludge (AGS) process is the most promising alternative to the conventional activated sludge (CAS) which is currently and mainly applied in wastewater treatment plants (WWTPs). Long start-up period is still one of the major challenges limiting the wide application of AGS in WWTPs worldwide. This mini review summarized the main strategies adopted ...
DOI:
10.1016/j.biteb.2019.100206

13. Stability of aerobic granular sludge in a pilot scale sequencing batch reactor enhanced by granular particle size control

Author:
Long, Bei; Xuan, Xinpeng; Yang, Changzhu; Zhang, Linan; Cheng, Yuanyuan; Wang, Jianqi
Source:
Chemosphere 2019 v.225 pp. 460-469
ISSN:
0045-6535
Subject:
granules,   etc   ; crushing; liquids; oxygen; particle size; sludge; ultrasonics; wastewater;     Show all 8 Subjects
Abstract:
... Aerobic granulation was successfully achieved in a pilot scale sequencing batch reactor within 40 days. Then, stability of different particle size granules was explored according to their activity and resistance to ultrasonic crushing. Different particle size granules (0.3–0.6 mm, 0.6–1 mm, 1–1.43 mm, 1.43–2 mm, 2–3 mm and 3–4 mm) were exposed under different ultrasonic power separately. It was fo ...
DOI:
10.1016/j.chemosphere.2019.03.048

14. Granule transformation in a twin screw granulator: Effects of conveying, kneading, and distributive mixing elements

Author:
Li, Jiayu; Pradhan, Shankali U.; Wassgren, Carl R.
Source:
Powder technology 2019 v.346 pp. 363-372
ISSN:
0032-5910
Subject:
granules,   etc   ; kneading; liquids; mixing; models; porosity; powders; prediction;     Show all 8 Subjects
Abstract:
... This work presents experimental data from granule transformation studies in a Twin Screw Granulator (TSG). Three types of screw elements were considered: conveying elements (CEs), kneading elements (KEs) with 60o forward (F) and 60o reverse (R)configurations, and distributive mixing elements (DMEs) with F and R configurations. The TSG was divided into three sections: an upstream CE section, a mixi ...
DOI:
10.1016/j.powtec.2018.11.099

15. Treatment of 17α‑ethinylestradiol, 4‑nonylphenol, and carbamazepine in wastewater using an aerobic granular sludge sequencing batch reactor

Author:
Kent, Jordan; Tay, Joo Hwa
Source:
The Science of the total environment 2019 v.652 pp. 1270-1278
ISSN:
0048-9697
Subject:
granules,   etc   ; adsorption; equations; particle size; sludge; sorption isotherms; wastewater;     Show all 7 Subjects
Abstract:
... This study quantifies the removal of a mixture of commonly detected emerging contaminants, 17α‑ethinylestradiol (EE2), 4‑nonylphenol (NP), and carbamazepine (CBZ) from synthetic wastewater using aerobic granular sludge in a sequential batch reactor. The emerging contaminant concentration in the influent wastewater was maintained near 500 μg/L for the duration of the experiment. Removal of EE2, NP, ...
DOI:
10.1016/j.scitotenv.2018.10.301

16. 3D printed elastic mould granulation

Author:
Okeyo, Clint; Chowdhury, Dewan F.; Cheung, Karmen; Rahmanian, Nejat
Source:
Powder technology 2019 v.344 pp. 380-392
ISSN:
0032-5910
Subject:
granules,   etc   ; coatings; drugs; drying; engineering; pharmaceutical industry; powders; product development;     Show all 8 Subjects
Abstract:
... In the pharmaceutical industry, enhanced process understanding resulting in superior control of product attributes, has the potential to save up to 20% of process engineering and product development costs during drug development. With the aim of achieving enhanced process understating, a novel approach for granulation of fine powders is presented. First, a mould with the desired particle shape and ...
DOI:
10.1016/j.powtec.2018.12.009

17. Recent trends and future perspective of pharmaceutical wet granulation for better process understanding and product development

Author:
Thapa, Prakash; Tripathi, Julu; Jeong, Seong Hoon
Source:
Powder technology 2019 v.344 pp. 864-882
ISSN:
0032-5910
Subject:
granules,   etc   ; melting; models; pharmaceutical industry; powders; process design; product development;     Show all 7 Subjects
Abstract:
... Current trends in pharmaceutical wet granulation have been shifted from traditional approach to systematic and modern approaches, enabling the production of highly engineered product. In this context, quality by design (QbD), modelling, and simulation gradually become important tools in the pharmaceutical industry. In this review, several aspects of high-shear wet granulation (HSWG), such as proce ...
DOI:
10.1016/j.powtec.2018.12.080

18. An investigation on the dissolution qualities of foam granulated products

Author:
Mutch, George A.; Hapgood, Karen P.; Shen, Rui; Selomulya, Cordelia
Source:
Powder technology 2019 v.343 pp. 693-704
ISSN:
0032-5910
Subject:
granules,   etc   ; cellulose; foams; lactose; laundry; liquids; particle size; powders;     Show all 8 Subjects
Abstract:
... The worldwide home care industry makes widespread use of granulated laundry powders which must be highly soluble and dissolve rapidly to induce an effective wash cycle. The morphology of these powders influences their dissolution rate. Binder addition methods affect the properties of granulated products. Foam granulation is a method of granulation where a foamed binder is used. This may provide ad ...
DOI:
10.1016/j.powtec.2018.11.086

19. Strength statistics for porous alumina

Author:
Fedorov, A.V.; Gulyaeva, Y.K.
Source:
Powder technology 2019 v.343 pp. 783-791
ISSN:
0032-5910
Subject:
granules,   etc   ; Weibull statistics; aluminum oxide; catalysts; powders; strength (mechanics);     Show all 6 Subjects
Abstract:
... The mechanical strength statistics for porous spherical alumina based on the large sample size is considered. The Weibull and Gamma distributions have been used to describe mechanical strength of uniform alumina granules obtained by the oil-drop method. The suitability of distributions for the mechanical strength of spherical alumina has been verified by two goodness-of-fit tests: Lilliefors-corre ...
DOI:
10.1016/j.powtec.2018.11.098

20. Dehydrated and recovered aerobic granules: Identifying acetone-dehydration resistant strains

Author:
Lv, Yi; Wan, Chunli; Lee, Duu-Jong; Liu, Xiang; Zhang, Yi; Tay, Joo-Hwa
Source:
Bioresource technology reports 2019 v.5 pp. 99-103
ISSN:
2589-014X
Subject:
granules,   etc   ; Caulobacteraceae; Comamonadaceae; Xanthomonadaceae; acetone; bioactive properties; screening; sludge;     Show all 8 Subjects
Abstract:
... The aerobic granules that can be stored at dehydration and rapidly recovered with shape stability and high bioactivities are desired. The strains that can survive under dehydration stress and enrich in the subsequent recovery stage should be incorporated in the seed sludge for granule cultivation. This paper for the first time identified the dehydration resistant strains to family levels by adopti ...
DOI:
10.1016/j.biteb.2018.12.008