The formation of calcium and magnesium phosphates of the renal stones depending on the composition of the crystallization medium

Mariya A. Kuz’mina, Anton M. Nikolaev, Olga V. Frank-Kamenetskaya

Результат исследований: Публикации в книгах, отчётах, сборниках, трудах конференцийглава/раздел

Выдержка

The study of the phase formation of phosphates in the solutions simulating the normal inorganic composition of human urine was carried out by the precipitation method. All calcium and magnesium phosphates typical for the kidney stones were synthesized: brushite, octacalcium phosphate, hydroxyapatite, struvite and Mg-whitlockite. The regularities of the calcium and magnesium phosphates formation in the crystallization medium of variable composition were found out. The borders of the crystallization areas of the synthesized phases were determined in the axes «initial pH value—main components’ concentration». In general, phosphates crystallization areas are defined by the starting concentrations of the main components, pH value of the crystallization medium and by the presence of the additional ions in the solution. It was shown that crystallization of any calcium phosphate leads to the significant decreasing of the pH value of the crystallization medium. Adding of the inorganic components typical for the human urine into the Ca–PO4 system leads to the moving of the crystallization area borders of the calcium phosphates (brushite, octacalcium phosphate, apatite). Crystallization doesn’t occur in the areas that are characterized by the composition and pH typical for the normal human urine. Increasing amount of the precursors or pH values leads to the start of the phosphate crystallization.

Язык оригиналаанглийский
Название основной публикацииProcesses and Phenomena on the Boundary Between Biogenic and Abiogenic Nature
Подзаголовок основной публикацииConference proceedings
РедакторыOlga V. Frank-Kamenetskaya, Dmitry Yu. Vlasov, Elena G. Panova, Sofia N. Lessovaia
Место публикацииCham
ИздательSpringer
Страницы107-118
Число страниц12
ISBN (электронное издание)9783030216146
ISBN (печатное издание)9783030216139
DOI
СостояниеОпубликовано - 2020
СобытиеVI International Symposium "Biogenic-abiogenic interactions in natural and anthropogenic systems" devoted to the 150th anniversary of the Saint Petersburg Naturalists Society - СПбГУ, Санкт-Петербург, Российская Федерация
Продолжительность: 24 сен 201827 сен 2018
Номер конференции: VI

Серия публикаций

НазваниеLecture Notes in Earth System Sciences
ISSN (печатное издание)2193-8571
ISSN (электронное издание)2193-858X

Конференция

КонференцияVI International Symposium "Biogenic-abiogenic interactions in natural and anthropogenic systems" devoted to the 150th anniversary of the Saint Petersburg Naturalists Society
СтранаРоссийская Федерация
ГородСанкт-Петербург
Период24/09/1827/09/18

Отпечаток

Magnesium
Calcium
magnesium
Phosphates
crystallization
Crystallization
calcium
phosphate
Chemical analysis
urine
Calcium phosphate
struvite
stone
border region
Apatite
Hydroxyapatite
apatite
ion
Ions
pH-value

Предметные области Scopus

  • Компьютерные технологии в науках о земле
  • Планетоведение и науки о земле (все)

Цитировать

Kuz’mina, M. A., Nikolaev, A. M., & Frank-Kamenetskaya, O. V. (2020). The formation of calcium and magnesium phosphates of the renal stones depending on the composition of the crystallization medium. В O. V. Frank-Kamenetskaya, D. Y. Vlasov, E. G. Panova, & S. N. Lessovaia (Ред.), Processes and Phenomena on the Boundary Between Biogenic and Abiogenic Nature: Conference proceedings (стр. 107-118). (Lecture Notes in Earth System Sciences). Cham: Springer. https://doi.org/10.1007/978-3-030-21614-6_6
Kuz’mina, Mariya A. ; Nikolaev, Anton M. ; Frank-Kamenetskaya, Olga V. / The formation of calcium and magnesium phosphates of the renal stones depending on the composition of the crystallization medium. Processes and Phenomena on the Boundary Between Biogenic and Abiogenic Nature: Conference proceedings. редактор / Olga V. Frank-Kamenetskaya ; Dmitry Yu. Vlasov ; Elena G. Panova ; Sofia N. Lessovaia. Cham : Springer, 2020. стр. 107-118 (Lecture Notes in Earth System Sciences).
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abstract = "The study of the phase formation of phosphates in the solutions simulating the normal inorganic composition of human urine was carried out by the precipitation method. All calcium and magnesium phosphates typical for the kidney stones were synthesized: brushite, octacalcium phosphate, hydroxyapatite, struvite and Mg-whitlockite. The regularities of the calcium and magnesium phosphates formation in the crystallization medium of variable composition were found out. The borders of the crystallization areas of the synthesized phases were determined in the axes «initial pH value—main components’ concentration». In general, phosphates crystallization areas are defined by the starting concentrations of the main components, pH value of the crystallization medium and by the presence of the additional ions in the solution. It was shown that crystallization of any calcium phosphate leads to the significant decreasing of the pH value of the crystallization medium. Adding of the inorganic components typical for the human urine into the Ca–PO4 system leads to the moving of the crystallization area borders of the calcium phosphates (brushite, octacalcium phosphate, apatite). Crystallization doesn’t occur in the areas that are characterized by the composition and pH typical for the normal human urine. Increasing amount of the precursors or pH values leads to the start of the phosphate crystallization.",
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Kuz’mina, MA, Nikolaev, AM & Frank-Kamenetskaya, OV 2020, The formation of calcium and magnesium phosphates of the renal stones depending on the composition of the crystallization medium. в OV Frank-Kamenetskaya, DY Vlasov, EG Panova & SN Lessovaia (ред.), Processes and Phenomena on the Boundary Between Biogenic and Abiogenic Nature: Conference proceedings. Lecture Notes in Earth System Sciences, Springer, Cham, стр. 107-118, VI International Symposium "Biogenic-abiogenic interactions in natural and anthropogenic systems" devoted to the 150th anniversary of the Saint Petersburg Naturalists Society, Санкт-Петербург, Российская Федерация, 24/09/18. https://doi.org/10.1007/978-3-030-21614-6_6

The formation of calcium and magnesium phosphates of the renal stones depending on the composition of the crystallization medium. / Kuz’mina, Mariya A.; Nikolaev, Anton M.; Frank-Kamenetskaya, Olga V.

Processes and Phenomena on the Boundary Between Biogenic and Abiogenic Nature: Conference proceedings. ред. / Olga V. Frank-Kamenetskaya; Dmitry Yu. Vlasov; Elena G. Panova; Sofia N. Lessovaia. Cham : Springer, 2020. стр. 107-118 (Lecture Notes in Earth System Sciences).

Результат исследований: Публикации в книгах, отчётах, сборниках, трудах конференцийглава/раздел

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T1 - The formation of calcium and magnesium phosphates of the renal stones depending on the composition of the crystallization medium

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AU - Nikolaev, Anton M.

AU - Frank-Kamenetskaya, Olga V.

PY - 2020

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AB - The study of the phase formation of phosphates in the solutions simulating the normal inorganic composition of human urine was carried out by the precipitation method. All calcium and magnesium phosphates typical for the kidney stones were synthesized: brushite, octacalcium phosphate, hydroxyapatite, struvite and Mg-whitlockite. The regularities of the calcium and magnesium phosphates formation in the crystallization medium of variable composition were found out. The borders of the crystallization areas of the synthesized phases were determined in the axes «initial pH value—main components’ concentration». In general, phosphates crystallization areas are defined by the starting concentrations of the main components, pH value of the crystallization medium and by the presence of the additional ions in the solution. It was shown that crystallization of any calcium phosphate leads to the significant decreasing of the pH value of the crystallization medium. Adding of the inorganic components typical for the human urine into the Ca–PO4 system leads to the moving of the crystallization area borders of the calcium phosphates (brushite, octacalcium phosphate, apatite). Crystallization doesn’t occur in the areas that are characterized by the composition and pH typical for the normal human urine. Increasing amount of the precursors or pH values leads to the start of the phosphate crystallization.

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KW - Phase equilibrium

KW - Precipitation method

KW - Renal stones

KW - Struvite

KW - Whitlockite

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Kuz’mina MA, Nikolaev AM, Frank-Kamenetskaya OV. The formation of calcium and magnesium phosphates of the renal stones depending on the composition of the crystallization medium. В Frank-Kamenetskaya OV, Vlasov DY, Panova EG, Lessovaia SN, редакторы, Processes and Phenomena on the Boundary Between Biogenic and Abiogenic Nature: Conference proceedings. Cham: Springer. 2020. стр. 107-118. (Lecture Notes in Earth System Sciences). https://doi.org/10.1007/978-3-030-21614-6_6